JP2020165045A - Fabric softener and fiber cleaning method - Google Patents
Fabric softener and fiber cleaning method Download PDFInfo
- Publication number
- JP2020165045A JP2020165045A JP2019067649A JP2019067649A JP2020165045A JP 2020165045 A JP2020165045 A JP 2020165045A JP 2019067649 A JP2019067649 A JP 2019067649A JP 2019067649 A JP2019067649 A JP 2019067649A JP 2020165045 A JP2020165045 A JP 2020165045A
- Authority
- JP
- Japan
- Prior art keywords
- softener
- water
- polymer particles
- polycondensation polymer
- fibers
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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- 238000000034 method Methods 0.000 title claims description 25
- 238000004140 cleaning Methods 0.000 title claims description 12
- 239000002979 fabric softener Substances 0.000 title description 6
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 83
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- 238000006068 polycondensation reaction Methods 0.000 claims abstract description 54
- 239000000126 substance Substances 0.000 claims abstract description 44
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 19
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Landscapes
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
【課題】繊維の洗浄、乾燥による柔軟性及び吸水性の低下を防止することができる新たな柔軟剤を提供すること。【解決手段】本発明の第１の態様の繊維用洗剤は、水を含み自発的に閉鎖小胞体を形成する両親媒性物質の閉鎖小胞体、又は水酸基を有する重縮合ポリマー粒子を含むことを特徴とするものである。また、本発明の第２の態様の柔軟剤は、自発的に閉鎖小胞体を形成する両親媒性物質の閉鎖小胞体又は水酸基を有する重縮合ポリマー粒子、油性物質及び水を含み、Ｏ／Ｗ型エマルションであることを特徴とするものである。本発明の第３の態様の繊維用洗剤は、自発的に閉鎖小胞体を形成する両親媒性物質の閉鎖小胞体又は水酸基を有する重縮合ポリマー粒子及び油性物質を含むことを特徴とするものである。【選択図】なしAn object of the present invention is to provide a new softener that can prevent a decrease in flexibility and water absorbency due to washing and drying of fibers. [Solution] The textile detergent of the first aspect of the present invention contains closed vesicles of an amphipathic substance that contains water and spontaneously forms closed vesicles, or polycondensation polymer particles having hydroxyl groups. This is a characteristic feature. Further, the softener according to the second aspect of the present invention contains closed vesicles of an amphipathic substance that spontaneously forms closed vesicles or polycondensation polymer particles having hydroxyl groups, an oily substance, and water, and O/W It is characterized by being a type emulsion. The textile detergent according to the third aspect of the present invention is characterized by containing closed vesicles of an amphipathic substance that spontaneously forms closed vesicles or polycondensation polymer particles having hydroxyl groups and an oily substance. be. [Selection diagram] None
Description
本発明は、柔軟剤及び繊維の洗浄方法に関する。 The present invention relates to a method for cleaning fabric softeners and fibers.
衣服等、繊維用の柔軟剤の指標として、「風合い」が用いられている。ここで、「風合い」とは、ＪＩＳ Ｌ０２２０：２００６「繊維用語−検査部門」や非特許文献１にも記載されているように、対象とした繊維を触った、見た際の各感覚をまとめた感性的な評価である。この総合値を客観的に評価するために、風合いを各特性に分解し、研究を行った結果が現在の風合い評価基準につながっている（例えば、非特許文献２参照）。 "Texture" is used as an index of softeners for textiles such as clothes. Here, "texture" is a summary of each sensation when the target fiber is touched and seen, as described in JIS L0220: 2006 "Fiber Term-Inspection Department" and Non-Patent Document 1. It is a sensitive evaluation. In order to objectively evaluate this total value, the texture is decomposed into each characteristic, and the result of the research is linked to the current texture evaluation standard (see, for example, Non-Patent Document 2).
繊維の風合いは、当該繊維を使用している際の摩擦や、洗浄、乾燥等を繰り返すことで劣化していく。そして、このようにして劣化された繊維に触れると、不快と感じることが多い。したがって、風合いの中でも特に「柔らかさ」は劣化を感じやすい感覚である。 The texture of the fiber deteriorates due to repeated friction, washing, drying, etc. when the fiber is used. And, when touching the fiber deteriorated in this way, it often feels unpleasant. Therefore, among the textures, "softness" is a feeling that deterioration is easily felt.
このような天然繊維は、一般に糖鎖から構成され、表面に水酸基が多量に露出している。そして、上述した天然繊維の「柔らかさ」の劣化は、洗浄・脱水等により絡み合った繊維同士が、水分を介して水素結合し、構造体を形成して硬化するためであると言われている。このような硬化を防止するため、通常、柔軟剤が用いられている。 Such natural fibers are generally composed of sugar chains, and a large amount of hydroxyl groups are exposed on the surface. It is said that the deterioration of the "softness" of the natural fibers described above is due to the fact that the fibers entwined by washing, dehydration, etc. are hydrogen-bonded through water to form a structure and harden. .. In order to prevent such curing, a softener is usually used.
例えば非特許文献３では、長鎖のアルキル基と陽イオン性の官能基を有する界面活性剤であるジ硬化牛脂アルキルジメチルアンモニウム塩を柔軟成分として用いている。このような界面活性剤は、イオン性官能基により、水中で陰イオン性を示す繊維表面へ吸着し、長鎖のアルキル基部位が組織化することにより、上述した繊維同士の水素結合を防止して「柔らかさ」を維持することができる。しかしながら、このようにして繊維表面に露出するアルキル鎖は疎水性であるため、その繊維の吸水性が低下する。このような吸水性の低下は吸水性を求められる繊維、特に綿では問題となる。 For example, Non-Patent Document 3 uses a di-hardened beef tallow alkyldimethylammonium salt, which is a surfactant having a long-chain alkyl group and a cationic functional group, as a softening component. Such a surfactant is adsorbed on the surface of anionic fibers in water by an ionic functional group, and the long-chain alkyl group sites are organized to prevent the above-mentioned hydrogen bonds between the fibers. And "softness" can be maintained. However, since the alkyl chain exposed on the fiber surface in this way is hydrophobic, the water absorption of the fiber is reduced. Such a decrease in water absorption becomes a problem for fibers that require water absorption, especially cotton.
そこで、洗浄後の繊維の吸水性の低下を防止するため、例えば特許文献２には、柔軟剤の柔軟成分として、アルキル鎖に、アルキル水酸基、エーテル基、アミド基及びエステル基等の親水基を導入した陽イオン性界面活性剤を用いることが開示されている。このような柔軟成分を配合した柔軟剤によれば洗浄後も所定の吸水性を維持できることが開示されている。しかしながら、このような陽イオン性界面活性剤は、部分的には疎水性のアルキル鎖を有していることから、吸水性については十分とは言えず、なお改良の余地があった。 Therefore, in order to prevent a decrease in the water absorbency of the fiber after washing, for example, Patent Document 2 states that as a softening component of a softener, a hydrophilic group such as an alkyl hydroxyl group, an ether group, an amide group and an ester group is added to the alkyl chain. It is disclosed to use the introduced cationic surfactant. It is disclosed that a softening agent containing such a softening component can maintain a predetermined water absorption even after washing. However, since such a cationic surfactant has a partially hydrophobic alkyl chain, it cannot be said that the water absorption is sufficient, and there is still room for improvement.
本発明は、繊維の洗浄、乾燥により、繊維が本来有する柔軟性及び吸水性が低下することを防止することができる新たな柔軟剤を提供することを目的とする。 An object of the present invention is to provide a new softening agent capable of preventing the fiber's inherent flexibility and water absorption from being lowered by washing and drying the fiber.
本発明者らは、水を含み自発的に閉鎖小胞体（ベシクル）を形成する両親媒性物質の閉鎖小胞体又は水酸基を有する重縮合ポリマー粒子、それらと油性物質とを含んでなる柔軟剤粒子又は当該柔軟剤粒子を分散させてなるＯ／Ｗエマルションを含む柔軟剤で繊維を処理することにより、繊維の洗浄、乾燥により、繊維が本来有する柔軟性及び吸水性が低下することを防止することができることを見出し、本発明を完成するに至った。具体的に、本発明は以下のものを提供する。 The present inventors have closed vesicles of an amphoteric substance that spontaneously forms closed vesicles (vesicles) containing water, polycondensation polymer particles having a hydroxyl group, and softener particles containing them and an oily substance. Alternatively, by treating the fiber with a softener containing an O / W emulsion formed by dispersing the softener particles, it is possible to prevent the fiber's inherent flexibility and water absorption from being lowered due to washing and drying of the fiber. We have found that we can do this, and have completed the present invention. Specifically, the present invention provides the following.
（１）水を含み自発的に閉鎖小胞体を形成する両親媒性物質の閉鎖小胞体、又は水酸基を有する重縮合ポリマー粒子を含む、柔軟剤。 (1) A softening agent containing closed vesicles of an amphipathic substance that contains water and spontaneously forms closed vesicles, or polycondensation polymer particles having a hydroxyl group.
（２）自発的に閉鎖小胞体を形成する両親媒性物質の閉鎖小胞体又は水酸基を有する重縮合ポリマー粒子、油性物質及び水を含み、Ｏ／Ｗ型エマルションである、柔軟剤。 (2) A softener which is an O / W type emulsion containing closed vesicles of an amphipathic substance that spontaneously forms closed vesicles or polycondensation polymer particles having a hydroxyl group, an oily substance, and water.
（３）自発的に閉鎖小胞体を形成する両親媒性物質の閉鎖小胞体又は水酸基を有する重縮合ポリマー粒子及び油性物質を含む、柔軟剤。 (3) A softening agent containing closed vesicles of an amphipathic substance that spontaneously forms closed vesicles or polycondensation polymer particles having a hydroxyl group and an oily substance.
（４）前記油性物質の周囲を前記閉鎖小胞体又は前記重縮合ポリマー粒子が囲みエマルション粒子を構成する、（３）に記載の柔軟剤。 (4) The softener according to (3), wherein the closed endoplasmic reticulum or the polycondensation polymer particles surround the oily substance to form emulsion particles.
（５）前記エマルション粒子は、水に分散させた場合の平均粒子径が５０ｎｍ以上２μｍ以下である、（４）に記載の柔軟剤。 (5) The softener according to (4), wherein the emulsion particles have an average particle diameter of 50 nm or more and 2 μm or less when dispersed in water.
（６）粉末状である、（１）及び（３）〜（５）のいずれかに記載の柔軟剤。 (6) The softener according to any one of (1) and (3) to (5), which is in powder form.
（７）繊維を洗浄した後、（１）〜（６）のいずれかに記載の柔軟剤を用いて処理を施す、繊維の洗浄方法。 (7) A method for cleaning fibers, wherein the fibers are washed and then treated with the softener according to any one of (1) to (6).
本発明によれば、繊維の洗浄、乾燥により、繊維が本来有する柔軟性及び吸水性が低下することを防止することができる。 According to the present invention, it is possible to prevent the fiber's inherent flexibility and water absorption from being lowered by washing and drying the fiber.
以下、本発明の実施形態について、詳細に説明するが、本発明は以下の実施形態について何ら限定されるものではなく、本発明の要旨を変更しない範囲内において、適宜変更を加えて実施することができる。 Hereinafter, embodiments of the present invention will be described in detail, but the present invention is not limited to the following embodiments, and the present invention shall be carried out with appropriate modifications without changing the gist of the present invention. Can be done.
＜第１の態様の柔軟剤＞
本態様の柔軟剤は、水を含み自発的に閉鎖小胞体を形成する両親媒性物質の閉鎖小胞体、又は水酸基を有する重縮合ポリマー粒子を含むものである。
<Softener of the first aspect>
The softener of this embodiment contains closed vesicles of an amphipathic substance that contains water and spontaneously forms closed vesicles, or polycondensation polymer particles having a hydroxyl group.
このような柔軟剤は、洗浄後において、繊維が本来有する柔軟性及び吸水性が低下することを防止することができるか、又は吸水性を高める能力を有する。ここで、「柔軟性低下防止能」とは、洗浄後の繊維の硬化を防ぎ、柔軟な状態を維持する能力をいう。「吸水性低下防止能」とは、柔軟性を補うために柔軟剤を用いても洗浄後の繊維の吸水性低下を防ぎ、繊維が本来有する高い吸水性を維持する能力をいう。本発明者らは、驚くべきことに、上述した閉鎖小胞体又は重縮合ポリマー粒子を含む柔軟剤が繊維の洗浄、乾燥によって、繊維が本来有する柔軟性及び吸水性が低下することを防止できることを見出した。 Such a softener can prevent a decrease in the inherent flexibility and water absorption of the fiber after washing, or has an ability to increase the water absorption. Here, the "ability to prevent a decrease in flexibility" refers to the ability to prevent the fibers from hardening after washing and maintain a flexible state. The "ability to prevent a decrease in water absorption" refers to the ability to prevent a decrease in water absorption of a fiber after washing even if a softener is used to supplement the flexibility, and to maintain the high water absorption inherent in the fiber. Surprisingly, the present inventors have found that the above-mentioned softener containing closed endoplasmic reticulum or polycondensation polymer particles can prevent the inherent flexibility and water absorption of the fiber from being lowered by washing and drying the fiber. I found it.
このような柔軟剤においては、閉鎖小胞体又は重縮合ポリマー粒子と、繊維との疎水性相互作用によって、閉鎖小胞体又は重縮合ポリマー粒子が繊維表面に吸着し、これによって繊維表面に水酸基が多量に露出している天然繊維が絡み合い、水分を介して繊維同士が水素結合する構造体を形成して硬化する現象を抑制し、洗浄後の繊維に柔軟性を付与できる。 In such a softener, the closed vesicles or polycondensation polymer particles are adsorbed on the fiber surface by the hydrophobic interaction between the closed vesicles or the polycondensation polymer particles and the fibers, whereby a large amount of hydroxyl groups are present on the fiber surface. It is possible to suppress the phenomenon that the natural fibers exposed to the fiber are entangled with each other to form a structure in which the fibers are hydrogen-bonded to each other through water and harden, and the fibers after cleaning can be given flexibility.
また、このように繊維表面に存在する閉鎖小胞体又は重縮合ポリマー粒子は親水性であるため、アルキル基を有する界面活性剤を用いた柔軟剤とは異なり、例えば市販されている一般的な柔軟剤を用いて処理した繊維と比較して、繊維が本来有する吸水性の低下を防止することができるか、又は吸水性を高めることができる。 Further, since the closed vesicles or polycondensation polymer particles present on the fiber surface are hydrophilic in this way, unlike the softener using a surfactant having an alkyl group, for example, a general softener on the market is commercially available. Compared with the fiber treated with the agent, it is possible to prevent a decrease in the water absorption inherent in the fiber or to increase the water absorption.
さて、上述した従来の柔軟剤に含まれる陽イオン性界面活性剤は、高濃度で排出されると環境への影響が生じ得ることから、厳しい排出基準が定められている。これに対し、本発明に係る柔軟剤は、後述するように、環境への影響が極めて小さい天然物由来の糖ポリマーや、化粧品の原料にも使用されるほど生態適合性が高い閉鎖小胞体を形成する両親媒性物質等を原料として用いることができるため、環境への影響をより小さくすることができる。 By the way, since the cationic surfactant contained in the above-mentioned conventional softener may have an impact on the environment when discharged at a high concentration, strict emission standards are set. On the other hand, the softener according to the present invention contains, as will be described later, sugar polymers derived from natural products having an extremely small impact on the environment and closed endoplasmic reticulum having high ecological compatibility so that it can be used as a raw material for cosmetics. Since the amphipathic substance to be formed can be used as a raw material, the impact on the environment can be further reduced.
（閉鎖小胞体）
本発明における閉鎖小胞体は、自発的に閉鎖小胞体を形成する両親媒性物質により形成される。閉鎖小胞体を形成する両親媒性物質としては、以下の一般式１で表されるポリオキシエチレン硬化ひまし油の誘導体を採用するとよい。これらは、１種類を用いても、２種類以上を用いてもよい。
(Closed endoplasmic reticulum)
The closed endoplasmic reticulum in the present invention is formed by an amphipathic substance that spontaneously forms a closed endoplasmic reticulum. As the amphipathic substance forming the closed endoplasmic reticulum, a derivative of polyoxyethylene hydrogenated castor oil represented by the following general formula 1 may be adopted. These may use one kind or two or more kinds.
一般式１
式中、エチレンオキシドの平均付加モル数であるＥは、３〜２００である。このことから、Ｅの上限は好ましくは１００であり、より好ましくは６０である。Ｅの下限は、好ましくは５以上であり、より好ましくは１０以上であり、さらに好ましくは２０以上であり、最も好ましくは３０以上である。 In the formula, E, which is the average number of moles of ethylene oxide added, is 3 to 200. From this, the upper limit of E is preferably 100, more preferably 60. The lower limit of E is preferably 5 or more, more preferably 10 or more, still more preferably 20 or more, and most preferably 30 or more.
また、以下の一般式２で示される構成のうち、炭素鎖長１２のＤＬＰＧ（１，２−Ｄｉｌａｕｒｏｙｌ−ｓｎ−ｇｌｙｃｅｒｏ−３−ｐｈｏｓｐｈｏ−ｒａｃ−１−ｇｌｙｃｅｒｏｌ）のＮａ塩又はＮＨ４塩、炭素鎖長１４のＤＭＰＧ（１，２−Ｄｉｍｙｒｉｓｔｏｙｌ−ｓｎ−ｇｌｙｃｅｒｏ−３−ｐｈｏｓｐｈｏ−ｒａｃ−１−ｇｌｙｃｅｒｏｌ）のＮａ塩又はＮＨ４塩、炭素鎖長１６のＤＰＰＧ（１，２−Ｄｉｐａｌｍｉｔｏｙｌ−ｓｎ−ｇｌｙｃｅｒｏ−３−ｐｈｏｓｐｈｏ−ｒａｃ−１−ｇｌｙｃｅｒｏｌ）のＮａ塩又はＮＨ４塩を採用することもできる。 Also, of the structure shown by the following general formula 2, Na salts or NH 4 salts of DLPG of carbon chain length 12 (1,2-Dilauroyl-sn- glycero-3-phospho-rac-1-glycerol), carbon DMPG chain length 14 (1,2-dimyristoyl-sn- glycero-3-phospho-rac-1-glycerol) Na salt or NH 4 salt, DPPG (1,2-Dipalmitoyl-sn -glycero carbon chain length 16 -3-phospho-rac-1- glycerol Na salts or NH 4 salts) may be employed.
一般式２
両親媒性物質としては、脂肪酸エステルを用いてもよい。脂肪酸エステルとしては、例えば、グリセリン脂肪酸エステル、ポリグリセリン脂肪酸エステル、ショ糖脂肪酸エステル、ソルビタン脂肪酸エステル、プロピレングリコール脂肪酸エステル等が挙げられる。 A fatty acid ester may be used as the amphipathic substance. Examples of the fatty acid ester include glycerin fatty acid ester, polyglycerin fatty acid ester, sucrose fatty acid ester, sorbitan fatty acid ester, propylene glycol fatty acid ester and the like.
ポリグリセリン脂肪酸エステルとしては、ポリグリセリンと直鎖脂肪酸又は分岐脂肪酸のエステルであり、具体的には、モノパルミチン酸ポリグリセリル、ジパルミチン酸ポリグリセリル、トリパルミチン酸ポリグリセリル、モノステアリン酸ポリグリセリル、ジステアリン酸ポリグリセリル、トリステアリン酸ポリグリセリル、モノイソステアリン酸ポリグリセリル、ジイソステアリン酸ポリグリセリル、トリイソステアリン酸ポリグリセリル等が挙げられる。 The polyglycerin fatty acid ester is an ester of polyglycerin and a linear fatty acid or a branched fatty acid, and specifically, polyglyceryl monopalmitate, polyglyceryl dipalmitate, polyglyceryl tripalmitate, polyglyceryl monostearate, polyglyceryl distearate, Examples thereof include polyglyceryl triisostearate, polyglyceryl monoisostearate, polyglyceryl diisostearate, and polyglyceryl triisostearate.
ショ糖脂肪酸エステルとしては、例えば、ショ糖ミリスチン酸エステル、ショ糖ステアリン酸エステル、ショ糖パルミチン酸エステル、ショ糖オレイン酸エステル、ショ糖ラウリン酸エステル等が挙げられる。 Examples of the sucrose fatty acid ester include sucrose myristic acid ester, sucrose stearic acid ester, sucrose palmitate ester, sucrose oleic acid ester, sucrose lauric acid ester and the like.
また、その他、例えばＰＯＥペンタエリストールジオレートの誘導体を採用することもできる。 In addition, for example, a derivative of POE pentaeristol diolate can also be adopted.
（重縮合ポリマー粒子）
重縮合ポリマーとしては、水酸基を有するものであれば特に限定されず、天然高分子又は合成高分子のいずれであってもよく、用途に応じて適宜選択することができる。ただし、生体安全性・環境性に優れ、且つ一般的に安価である点で、天然高分子を用いることが好ましく、中でも乳化機能に優れる点で以下に述べる糖ポリマーがより好ましい。なお、粒子とは、重縮合ポリマーが単粒子化したもの、又はその単粒子同士が連なったもののいずれをも包含する一方、単粒子化される前の凝集体（網目構造を有する）を包含しない。例えば、単粒子化される前の「多糖類」は粒子化されているものではなく、水素結合によるネットワーク構造を形成していることから、いわゆる三相乳化能を有する「重縮合ポリマーの粒子」とは、明確に異なるものである。水酸基を有する重縮合ポリマーは、１種のみを単独で使用してもよく、２種以上を併用してもよい。
(Polycondensation polymer particles)
The polycondensation polymer is not particularly limited as long as it has a hydroxyl group, and may be either a natural polymer or a synthetic polymer, and can be appropriately selected depending on the intended use. However, it is preferable to use a natural polymer because it is excellent in biosafety and environmental friendliness and is generally inexpensive, and among them, the sugar polymer described below is more preferable because it is excellent in emulsifying function. The particles include either a single particle of the polycondensation polymer or a series of the single particles, but do not include an agglomerate (having a network structure) before being made into a single particle. .. For example, "polysaccharides" before they are made into single particles are not made into particles, but form a network structure by hydrogen bonds. Therefore, "polycondensation polymer particles" having so-called three-phase emulsifying ability. Is clearly different. As the polycondensation polymer having a hydroxyl group, only one type may be used alone, or two or more types may be used in combination.
糖ポリマーは、セルロース、デンプン等のグルコシド構造を有するポリマーである。例えば、リボース、キシロース、ラムノース、フコース、グルコース、マンノース、グルクロン酸、グルコン酸等の単糖類からいくつかの糖を構成要素として微生物が産生するもの、キサンタンガム、アラビアゴム、グァーガム、カラヤガム、カラギーナン、ペクチン、フコイダン、クインシードガム、トラントガム、ローカストビーンガム、ガラクトマンナン、カードラン、ジェランガム、フコゲル、カゼイン、ゼラチン、デンプン、コラーゲン、シロキクラゲ多糖類等の天然高分子、メチルセルロース、エチルセルロース、メチルヒドロキシプロピルセルロース、カルボキシメチルセルロース、ヒドロキシメチルセルロース、ヒドロキシプロピルセルロース、ヒドロキシプロピルメチルセルロース、ヒドロキシエチルセルロース、ステアロキシヒドロキシプロピルメチルセルロース、カルボキシメチルセルロースナトリウム、アルギン酸プロピレングリコールエステル、セルロース結晶体、デンプン・アクリル酸ナトリウムグラフト重合体、疎水化ヒドロキシプロピルメチルセルロース等の半合成高分子等が挙げられる。また、糖ポリマーの他に、ポリビニルアルコール、ポリビニルピロリドン、カルボキシビニルポリマー、ポリアクリル酸塩、ポリエチレンオキシド、アクリレート／ポリエチレングリコール型コポリマー、（メタクリル酸メトキシＰＥＧ−２３／ジイソステアリン酸メタクリル酸グリセリル）コポリマー等の合成高分子等を用いることができる。これらは、１種のみを単独で使用してもよく、２種以上を併用してもよい。 The sugar polymer is a polymer having a glucoside structure such as cellulose and starch. For example, monosaccharides such as ribose, xylose, ramnorth, fucose, glucose, mannose, glucuronic acid, and gluconic acid produced by microorganisms with some sugars as constituents, xanthan gum, arabic gum, guar gum, karaya gum, carrageenan, and pectin. , Fucoidan, quinceed gum, tranth gum, locust bean gum, galactomannan, curdran, gellan gum, fucogel, casein, gelatin, starch, collagen, natural polymers such as white jellyfish polysaccharide, methylcellulose, ethylcellulose, methylhydroxypropylcellulose, carboxy Methyl cellulose, hydroxymethyl cellulose, hydroxypropyl cellulose, hydroxypropyl methyl cellulose, hydroxyethyl cellulose, stearoxy hydroxypropyl methyl cellulose, sodium carboxymethyl cellulose, propylene glycol alginate, cellulose crystals, sodium starch / sodium acrylate graft polymer, hydrophobic hydroxypropyl methyl cellulose, etc. Semi-synthetic polymer and the like. Further, in addition to the sugar polymer, polyvinyl alcohol, polyvinylpyrrolidone, carboxyvinyl polymer, polyacrylate, polyethylene oxide, acrylate / polyethylene glycol type copolymer, (methoxyPEG-23 methacrylate / glyceryl methacrylate methacrylate) copolymer and the like Synthetic polymers and the like can be used. These may be used alone or in combination of two or more.
糖ポリマーとしては、ヒドロキシエチルセルロース、ステアロキシヒドロキシプロピルメチルセルロース、カルボキシメチルセルロース、カルボキシメチルセルロース、グァーガム、又はこれらの塩を用いることが好ましく、ヒドロキシエチルセルロースを用いることがより好ましい。 As the sugar polymer, hydroxyethyl cellulose, stearoxyhydroxypropylmethyl cellulose, carboxymethyl cellulose, carboxymethyl cellulose, guar gum, or salts thereof are preferably used, and hydroxyethyl cellulose is more preferable.
本発明における閉鎖小胞体又は重縮合ポリマー粒子は、例えば、平均粒径８ｎｍ〜５００ｎｍ程度であることが好ましい。これらの調製方法は、特許第３８５５２０３号等に開示されるとおり従来公知であるため、省略する。 The closed endoplasmic reticulum or polycondensation polymer particles in the present invention preferably have an average particle size of, for example, about 8 nm to 500 nm. Since these preparation methods are conventionally known as disclosed in Japanese Patent No. 3855203 and the like, they are omitted.
柔軟剤中の閉鎖小胞体又は重縮合ポリマー粒子の含有量としては、使用方法や当該柔軟剤の希釈の割合等により適宜設定することができ、特に限定されないが、合計で０．０００１質量％以上であってよい。 The content of the closed endoplasmic reticulum or polycondensation polymer particles in the softener can be appropriately set depending on the method of use, the dilution ratio of the softener, etc., and is not particularly limited, but is 0.0001% by mass or more in total. May be.
＜第２の態様の柔軟剤＞
自発的に閉鎖小胞体を形成する両親媒性物質（ベシクル）の閉鎖小胞体、又は水酸基を有する重縮合ポリマー粒子をいわゆる三相乳化の第三相として、油性物質を含ませてなるＯ／Ｗ型エマルションとした柔軟剤を構成することもできる。なお、閉鎖小胞体又は重縮合ポリマー粒子は、第１の態様の柔軟剤と同様であるため、ここでの説明を省略する。
<Softener of the second aspect>
O / W containing an oily substance as the third phase of so-called three-phase emulsification, which is the closed endoplasmic reticulum of an amphipathic substance (vesicle) that spontaneously forms the closed endoplasmic reticulum, or polycondensation polymer particles having a hydroxyl group. A softener made into a mold emulsion can also be formed. Since the closed endoplasmic reticulum or polycondensation polymer particles are the same as the softener of the first aspect, the description thereof is omitted here.
このような柔軟剤は、上述した第１の態様の柔軟剤と同様に、洗浄後の繊維の柔軟性及び吸水性の低下を防止することができるか、又は吸水性を高める能力を有する。 Such a softener, like the softener of the first aspect described above, can prevent a decrease in the flexibility and water absorption of the fiber after washing, or has an ability to increase water absorption.
具体的に、このような柔軟剤では、Ｏ／Ｗ型エマルションは、水相と油相との界面に閉鎖小胞体又は重縮合ポリマー粒子が介在することで乳化状態を形成する。より具体的に、このような乳化状態においては、油性物質（油相）が滴状となり、その油相の周囲を閉鎖小胞体又は重縮合ポリマー粒子が囲んで一つのエマルション粒子を構成する。ここで、「エマルション粒子」とは、油相の周囲を閉鎖小胞体又は重縮合ポリマー粒子が囲んでなる粒子をいい、外相たる水相を除く部分をいうものとする。なお、この「エマルション粒子」は、水と分離することができるため、水相に分散していてもしていなくてもよい。そして、このエマルション粒子が水（水相）に分散して、Ｏ／Ｗ型エマルションを構成して乳化状態を形成する。このような乳化状態は、例えば得られた乳化物を透過型電子顕微鏡（ＴＥＭ）で観察することで確認される（例えば、特許第３８５５２０３号公報）。 Specifically, in such a softener, the O / W type emulsion forms an emulsified state by interposing closed endoplasmic reticulum or polycondensation polymer particles at the interface between the aqueous phase and the oil phase. More specifically, in such an emulsified state, the oily substance (oil phase) becomes droplet-like, and closed vesicles or polycondensation polymer particles surround the oil phase to form one emulsion particle. Here, the "emulsion particles" refer to particles formed by surrounding the oil phase with closed endoplasmic reticulum or polycondensation polymer particles, and refers to a portion excluding the aqueous phase which is the outer phase. Since the "emulsion particles" can be separated from water, they may or may not be dispersed in the aqueous phase. Then, the emulsion particles are dispersed in water (aqueous phase) to form an O / W type emulsion to form an emulsified state. Such an emulsified state is confirmed, for example, by observing the obtained emulsion with a transmission electron microscope (TEM) (for example, Japanese Patent No. 3855203).
このようなＯ／Ｗ型エマルション状態においては、エマルション粒子を構成する閉鎖小胞体又は重縮合ポリマー粒子のうち油相に接していない面と、繊維との疎水性相互作用によって、閉鎖小胞体又は重縮合ポリマー粒子が繊維表面に吸着し、これによって繊維表面に水酸基が多量に露出している天然繊維が、水分を介して繊維同士が水素結合する構造体を形成して硬化する現象をエマルション粒子が抑制し、洗浄後の繊維に柔軟性を付与できる。 In such an O / W type emulsion state, the closed vesicles or polycondensation polymer particles constituting the emulsion particles, which are not in contact with the oil phase, and the fibers due to the hydrophobic interaction, cause the closed vesicles or the weight. Emulsion particles are a phenomenon in which condensed polymer particles are adsorbed on the fiber surface, whereby natural fibers with a large amount of hydroxyl groups exposed on the fiber surface form a structure in which the fibers are hydrogen-bonded via water and are cured. It can be suppressed and give flexibility to the washed fibers.
また、このように繊維表面に付着するエマルション粒子の表面に存在する閉鎖小胞体又は重縮合ポリマー粒子は親水性であるため、アルキル基を有する界面活性剤を用いた柔軟剤とは異なり、例えば市販されている一般的な柔軟剤を用いて処理した繊維と比較して、繊維が本来有する吸水性の低下を防止することができるか、又は吸水性を高めることができる。 Further, since the closed vesicles or polycondensation polymer particles existing on the surface of the emulsion particles adhering to the fiber surface are hydrophilic, they are different from the softener using a surfactant having an alkyl group, for example, on the market. It is possible to prevent a decrease in the water absorption inherent in the fiber or to increase the water absorption as compared with the fiber treated with a general softener.
特に、閉鎖小胞体又は重縮合ポリマー粒子が、油性物質とともにエマルション粒子を形成しているこの第２の態様の柔軟剤は、閉鎖小胞体又は重縮合ポリマー粒子を含むが、油性物質を含まないなどしてエマルション粒子を形成していない柔軟剤に比べて、柔軟性及び吸水性が低下することをより強く防止することができる。閉鎖小胞体又は重縮合ポリマー粒子がエマルション粒子を形成していない柔軟剤では、閉鎖小胞体又は重縮合ポリマー粒子が繊維表面に一層だけ付着する。これに対し、閉鎖小胞体又は重縮合ポリマー粒子がエマルション粒子を形成した場合、このエマルション粒子が繊維表面に付着する。このエマルション粒子では、油相の表面全体に閉鎖小胞体又は重縮合ポリマー粒子が配置されている。このエマルション粒子が付着すると、繊維表面上には、エマルション粒子の繊維と接している閉鎖小胞体又は重縮合ポリマー粒子と、外側に露出している閉鎖小胞体又は重縮合ポリマー粒子とで、実質的に２層が積層されることとなる。しかも、エマルション粒子はその表面が湾曲しているため、繊維表面に付着する閉鎖小胞体又は重縮合ポリマー粒子の数をさらに増やすことができる。そして、このような第２の態様の柔軟剤は、エマルション粒子を形成していない柔軟剤に比べて、より多数の閉鎖小胞体又は重縮合ポリマー粒子が付着しているため、柔軟性及び吸水性が低下することをより強く防止することができる。 In particular, the softener of this second embodiment in which the closed vesicles or polycondensation polymer particles form emulsion particles together with the oily substance includes closed vesicles or polycondensation polymer particles but does not contain the oily substance. As a result, it is possible to more strongly prevent a decrease in flexibility and water absorption as compared with a softening agent that does not form emulsion particles. In a softener in which closed endoplasmic reticulum or polycondensation polymer particles do not form emulsion particles, only one layer of closed endoplasmic reticulum or polycondensation polymer particles adheres to the fiber surface. On the other hand, when the closed endoplasmic reticulum or polycondensation polymer particles form emulsion particles, the emulsion particles adhere to the fiber surface. In these emulsion particles, closed endoplasmic reticulum or polycondensation polymer particles are arranged on the entire surface of the oil phase. When the emulsion particles are attached, the closed vesicles or polycondensation polymer particles in contact with the fibers of the emulsion particles and the closed vesicles or polycondensation polymer particles exposed to the outside are substantially formed on the fiber surface. Two layers will be laminated on the surface. Moreover, since the surface of the emulsion particles is curved, the number of closed endoplasmic reticulum or polycondensation polymer particles adhering to the fiber surface can be further increased. The softener of the second aspect has more flexibility and water absorption because a larger number of closed endoplasmic reticulums or polycondensation polymer particles are attached as compared with the softener that does not form emulsion particles. Can be more strongly prevented from decreasing.
閉鎖小胞体又は重縮合ポリマー粒子の平均粒子径は、エマルション形成時では８ｎｍ〜５００ｎｍ程度である。なお、重縮合ポリマー粒子及び閉鎖小胞体は、いずれか一方のみが含まれても、双方が含まれてもよい。双方が含まれる場合には、例えば、別々に乳化したエマルションを混合してよい。 The average particle size of the closed endoplasmic reticulum or polycondensation polymer particles is about 8 nm to 500 nm at the time of emulsion formation. The polycondensation polymer particles and the closed endoplasmic reticulum may contain only one of them or both of them. When both are included, for example, separately emulsified emulsions may be mixed.
（油性物質）
油性物質は、Ｏ／Ｗ型エマルション中において内相たる油相を構成する。油相としては、固体状、半固体状、液状又は混合物いずれであってもよいが、常温で液状であることが好ましい。油性物質が常温で液状であることにより、閉鎖小胞体又は重縮合ポリマー粒子に柔軟性を付与することができる。ただし、油性物質が固体状又は半固体状であってもよい。これらは、１種のみを単独で使用してもよく、２種以上を併用してもよい。
(Oil substance)
The oily substance constitutes an oil phase which is an internal phase in the O / W type emulsion. The oil phase may be solid, semi-solid, liquid or a mixture, but is preferably liquid at room temperature. The liquidity of the oily substance at room temperature can impart flexibility to the closed endoplasmic reticulum or polycondensation polymer particles. However, the oily substance may be in a solid state or a semi-solid state. These may be used alone or in combination of two or more.
油性物質としては、特に限定されないが、例えば、植物性油、炭化水素油、モノエステル油、ジエステル油、トリエステル油、エーテル油、シリコーン油、ポリオキシエチレンポリオキシプロピレンブロックポリマー、高級脂肪酸モノグリセリド、グリコール、高級アルコール等を挙げることができる。例えば、オリーブ油、菜種油、ジ（カプリル酸／カプリン酸）プロパンジオール、ポリエチレンポリオキシプロピレングリコール、ポリオキシプロピレングリコール等の工業的に入手できる製品を用いることができる。 The oily substance is not particularly limited, but for example, vegetable oil, hydrocarbon oil, monoester oil, diester oil, triester oil, ether oil, silicone oil, polyoxyethylene polyoxypropylene block polymer, higher fatty acid monoglyceride, etc. Glycols, higher alcohols and the like can be mentioned. For example, industrially available products such as olive oil, rapeseed oil, di (caprylic acid / capric acid) propanediol, polyethylene polyoxypropylene glycol, and polyoxypropylene glycol can be used.
（エマルション粒子）
エマルション粒子は、油性物質（油相）が滴状となり、その油相の周囲を第１の態様の繊維用柔軟剤と同様の閉鎖小胞体又は重縮合ポリマー粒子が囲んでなるものである。
(Emulsion particles)
The emulsion particles are formed by dropping an oily substance (oil phase) and surrounding the oil phase with closed vesicles or polycondensation polymer particles similar to the softener for fibers of the first aspect.
エマルション粒子の平均粒子径としては、特に限定されないが、２μｍ以下であることが好ましく、１μｍ以下であることがより好ましく、９００ｎｍ以下であることがさらに好ましく、８００ｎｍ以下であることが特に好ましい。ただし、エマルション粒子の平均粒子径は２μｍ超であってもよい。また、エマルション粒子の平均粒子径としては、例えば５０ｎｍ以上であることが好ましく、１００ｎｍ以上であることがより好ましい。なお、本発明において「平均粒子径」とは、分散液（エマルション粒子の場合には、Ｏ／Ｗ型エマルション）について粒度分布測定装置ＦＰＡＲ（大塚電子（株）社製）を用いて動的光散乱法により測定し、Ｃｏｎｔｉｎ解析により求めた個数分布の値の値を３回測定して平均した値である。なお、柔軟剤には、例えば界面活性剤等、柔軟剤粒子以外にもエマルションを構成する成分が含まれ得るが、このような成分が含まれる場合には、このような成分を含んだ状態での平均粒子径をいう。 The average particle size of the emulsion particles is not particularly limited, but is preferably 2 μm or less, more preferably 1 μm or less, further preferably 900 nm or less, and particularly preferably 800 nm or less. However, the average particle size of the emulsion particles may be more than 2 μm. The average particle size of the emulsion particles is, for example, preferably 50 nm or more, and more preferably 100 nm or more. In the present invention, the "average particle size" refers to dynamic light of a dispersion liquid (O / W type emulsion in the case of emulsion particles) using a particle size distribution measuring device FPAR (manufactured by Otsuka Electronics Co., Ltd.). It is a value obtained by measuring by the scattering method and measuring the value of the number distribution obtained by the Contin analysis three times and averaging it. The softener may contain components constituting the emulsion other than the softener particles, such as a surfactant, but when such a component is contained, the softener contains such a component. The average particle size of.
柔軟剤中のエマルション粒子の含有量としては、使用方法や柔軟剤の希釈の割合等により適宜設定することができるが、例えば、合計で０．０１質量％以上であってよい。 The content of the emulsion particles in the softener can be appropriately set depending on the method of use, the dilution ratio of the softener, and the like, but for example, the total content may be 0.01% by mass or more.
以上のような柔軟剤は、例えば原料を混合した後、この混合物を振とう器、撹拌器、ホモジナイザー等を用いて容易に乳化状態を形成できる。 For the softener as described above, for example, after mixing the raw materials, the mixture can be easily emulsified by using a shaker, a stirrer, a homogenizer or the like.
＜第３の態様の柔軟剤＞
第３の態様の柔軟剤は、自発的に閉鎖小胞体を形成する両親媒性物質の閉鎖小胞体又は水酸基を有する重縮合ポリマー粒子及び油性物質を含む。このような乳化状態においては、油性物質（油相）が滴状となり、その油相の周囲を閉鎖小胞体又は重縮合ポリマー粒子が囲んでおり一つのエマルション粒子を柔軟剤として構成することもできる。すなわち、このような柔軟剤は、例えば粉末状、タブレット状等の固体状の性状とすることができる。剤として粉末状や固体状であっても、その中に含まれるエマルション粒子が、柔軟処理に際し水に分散することで、Ｏ／Ｗ型エマルションを形成し、その結果、第２の態様の柔軟剤と同様の効果が奏される。
<Softener of the third aspect>
The softener of the third aspect includes closed vesicles of amphipathic substances that spontaneously form closed vesicles or polycondensation polymer particles having hydroxyl groups and oily substances. In such an emulsified state, the oily substance (oil phase) becomes droplets, and the oil phase is surrounded by closed vesicles or polycondensation polymer particles, and one emulsion particle can be formed as a softener. .. That is, such a softener can have solid properties such as powder and tablet. Even if the agent is in the form of powder or solid, the emulsion particles contained therein are dispersed in water during the softening treatment to form an O / W type emulsion, and as a result, the softening agent of the second aspect. The same effect as is played.
柔軟剤中のエマルション粒子の含有量としては、使用方法や柔軟剤の希釈の割合等により適宜設定することができるが、例えば、合計で０．０１質量％以上であってよい。 The content of the emulsion particles in the softener can be appropriately set depending on the method of use, the dilution ratio of the softener, and the like, but for example, the total content may be 0.01% by mass or more.
エマルション粒子の平均粒子径としては、特に限定されないが、水に分散させた場合における平均粒子径が、２μｍ以下であることが好ましく、１μｍ以下であることがより好ましく、９００ｎｍ以下であることがさらに好ましく、８００ｎｍ以下であることが特に好ましい。なお、柔軟剤には、例えば油相の各種添加成分等、柔軟剤粒子以外にもエマルション粒子を構成する成分が含まれ得るが、このような成分が含まれる場合には、このような成分も含んだ状態での平均粒子径をいう。 The average particle size of the emulsion particles is not particularly limited, but the average particle size when dispersed in water is preferably 2 μm or less, more preferably 1 μm or less, and further preferably 900 nm or less. It is preferably 800 nm or less, and particularly preferably 800 nm or less. The softener may contain components constituting the emulsion particles in addition to the softener particles, such as various additive components of the oil phase, but when such components are contained, such components are also included. The average particle size in the contained state.
その他、閉鎖小胞体、重縮合ポリマー粒子及び油性物質としては、第２の態様の柔軟剤において用いたものと同様の成分を同様の組成により構成することができるため、ここでの記載を省略する。また、これらにより構成されるエマルション粒子としては、第２の態様の柔軟剤におけるエマルション粒子と同様の成分を同様の組成により構成することができる。 In addition, as the closed endoplasmic reticulum, polycondensation polymer particles, and oily substance, the same components as those used in the softener of the second aspect can be composed of the same composition, and thus the description thereof is omitted here. .. Further, as the emulsion particles composed of these, the same components as the emulsion particles in the softener of the second aspect can be composed of the same composition.
このような柔軟剤は、例えば第２の態様の柔軟剤におけるＯ／Ｗ型エマルションをドライスプレー法、噴霧乾燥法、凍結乾燥法等の従来公知の方法で乾燥させて得ることができる。第２の態様の柔軟剤におけるＯ／Ｗ型エマルションでは、油性物質が閉鎖小胞体又は重縮合ポリマー粒子に囲まれた、いわゆる三相乳化構造を形成している。このような三相乳化構造によれば、乾燥して水を除去しても、微細な油滴構造が閉鎖小胞体又は重縮合ポリマー粒子に囲まれた構造を維持した状態で、粉末を得ることができる。そのため、エマルション粒子を単独で分離することができる。なお、ドライスプレー法により乾燥させた場合には、粉末形成のためデンプン等の賦形剤を含むこととなる。 Such a softener can be obtained, for example, by drying the O / W type emulsion in the softener of the second aspect by a conventionally known method such as a dry spray method, a spray drying method, or a freeze drying method. In the O / W type emulsion in the softener of the second aspect, the oily substance forms a so-called three-phase emulsified structure surrounded by closed endoplasmic reticulum or polycondensation polymer particles. According to such a three-phase emulsified structure, a powder can be obtained in a state where the fine oil droplet structure maintains a structure surrounded by closed endoplasmic reticulum or polycondensation polymer particles even when water is removed by drying. Can be done. Therefore, the emulsion particles can be separated independently. When dried by the dry spray method, an excipient such as starch is contained for powder formation.
（添加剤）
本発明の第１〜第３いずれの態様における柔軟剤も、添加剤を含むことができる。添加剤としては、１種類を単独で用いることも、２種類以上を組み合わせて用いることもできる。また、添加剤を含まなくてもよい。
(Additive)
The softener in any of the first to third aspects of the present invention can also contain additives. As the additive, one type may be used alone, or two or more types may be used in combination. Moreover, it is not necessary to contain an additive.
安定性を向上させる観点から、親水性界面活性剤を使用することができる。親水性界面活性剤としては、陰イオン性界面活性剤、非イオン性界面活性剤、両性界面活性剤等が挙げられる。ただし、親水性界面活性剤を含まなくてもよい。 From the viewpoint of improving stability, a hydrophilic surfactant can be used. Examples of the hydrophilic surfactant include anionic surfactants, nonionic surfactants, and amphoteric surfactants. However, it does not have to contain a hydrophilic surfactant.
非イオン性界面活性剤としては、特に限定されないが、例えば高級アルコール、アルキルフェノール、高級脂肪酸、高級脂肪酸アルキルエステル又は高級アミン等にアルキレンオキシドを付加したポリオキシアルキレン型ノニオン界面活性剤、ポリオキシエチレンポリオキシプロピレンブロックコポリマー、脂肪酸アルカノールアミン、脂肪酸アルカノールアミド、多価アルコール脂肪酸エステル又はそのアルキレンオキシド付加体、硬化ひまし油のアルキレンオキシド付加体、糖脂肪酸エステル、Ｎ−アルキルポリヒドロキシ脂肪酸アミド、アルキルグリコシド等が挙げられる。 The nonionic surfactant is not particularly limited, and is, for example, a polyoxyalkylene type nonionic surfactant obtained by adding an alkylene oxide to a higher alcohol, an alkylphenol, a higher fatty acid, a higher fatty acid alkyl ester, a higher amine, or the like, or a polyoxyethylene poly. Oxypropylene block copolymer, fatty acid alkanolamine, fatty acid alkanolamide, polyhydric alcohol fatty acid ester or its alkylene oxide adduct, alkylene oxide adduct of hardened castor oil, sugar fatty acid ester, N-alkylpolyhydroxyfatty acid amide, alkylglycoside and the like. Be done.
両性界面活性剤としては、特に限定されないが、例えば、アルキルベタイン型、アルキルアミドベタイン型、イミダゾリン型、アルキルアミノスルホン酸型、アルキルアミノカルボン酸型、アルキルアミドカルボン酸型、アミドアミノ酸型又はリン酸型等の両性界面活性剤が挙げられる。 The amphoteric surfactant is not particularly limited, and is, for example, an alkyl betaine type, an alkylamide betaine type, an imidazoline type, an alkylaminosulfonic acid type, an alkylaminocarboxylic acid type, an alkylamide carboxylic acid type, an amide amino acid type or a phosphoric acid. Examples include amphoteric surfactants such as molds.
繊維用柔軟剤には、ビルダーを配合することができる。ここで、「ビルダー」とは、添加剤の一部であるが、それ自身は柔軟性低下防止能を有しないか又はごく弱い柔軟性低下防止能しか有しないにも関わらず、柔軟剤と共に配合されるとその柔軟剤に求められる柔軟性低下防止能を著しく向上させることができる成分をいう。例えば、柔軟性低下防止能を高め、硬水を軟化させる粘土鉱物、衣類の感触を改善したり、型崩れを防止する有機無機複合材料、多価金属陽イオン捕捉剤、抗菌剤又はアルカリ緩衝剤等が挙げられる。なおこれらの２種以上の作用を兼ね備える添加剤も存在する。従来の界面活性剤を主成分とする柔軟剤製品には、通常、添加剤が含まれるが、本発明の繊維用柔軟剤は、添加剤を配合しなくてもよい。また、添加剤を配合する場合、その量は少量であってもよい。 A builder can be added to the fabric softener. Here, the "builder" is a part of the additive, but it is blended with the softener even though it does not have the ability to prevent the decrease in flexibility or has only the ability to prevent the decrease in flexibility which is very weak. When this is done, it refers to a component that can significantly improve the ability to prevent a decrease in flexibility required for the softener. For example, clay minerals that enhance the ability to prevent a decrease in flexibility and soften hard water, organic-inorganic composite materials that improve the feel of clothing and prevent shape loss, polyvalent metal cation trapping agents, antibacterial agents, alkaline buffers, etc. Can be mentioned. There are also additives that have these two or more actions. Conventional softener products containing a surfactant as a main component usually contain an additive, but the softener for fibers of the present invention does not need to contain an additive. Further, when the additive is blended, the amount thereof may be small.
粘土鉱物としては、特に限定されないが、スメクタイト、ベントナイトと称されるケイ素やアルミニウム等の各鉱物によって構成される粘土鉱物が挙げられる。 The clay mineral is not particularly limited, and examples thereof include clay minerals composed of various minerals such as silicon and aluminum called smectite and bentonite.
有機無機複合材料としては、特に限定されないが、ストレートシリコーン及び変性シリコーンが挙げられる。ストレートシリコーンの中でもジメチルシリコーンオイル、メチルフェニルシリコーンオイル、メチルハイドロジェンシリコーンオイルが挙げられる。変性シリコーンの中でもアルキル変性シリコーン、高級脂肪酸変性シリコーン、フッ素変性シリコーン、アミノ変性シリコーン、エポキシ変性シリコーン、ポリエーテル変性シリコーン、カルボキシ変性シリコーン、カルビノール変性シリコーンが挙げられる。 The organic-inorganic composite material is not particularly limited, and examples thereof include straight silicone and modified silicone. Among straight silicones, dimethyl silicone oil, methyl phenyl silicone oil, and methyl hydrogen silicone oil can be mentioned. Examples of the modified silicone include alkyl-modified silicone, higher fatty acid-modified silicone, fluorine-modified silicone, amino-modified silicone, epoxy-modified silicone, polyether-modified silicone, carboxy-modified silicone, and carbinol-modified silicone.
水溶性無機化合物としては、特に限定されないが、リン酸、ケイ酸、炭酸、塩酸、硫酸、水酸化ナトリウム、水酸化カリウムが挙げられる。リン酸塩（トリポリリン酸塩、ピロリン酸塩、メタリン酸塩、リン酸三ナトリウム等）、ケイ酸塩、炭酸塩、硫酸塩、亜硫酸塩等が挙げられる。これらの塩の対イオンとしては、アルカリ金属塩、アミン類が挙げられ、具体的にはナトリウム、カリウム、モノエタノールアミン、又はジエタノールアミン、トリエタノールアミンが挙げられる。 The water-soluble inorganic compound is not particularly limited, and examples thereof include phosphoric acid, silicic acid, carbonic acid, hydrochloric acid, sulfuric acid, sodium hydroxide, and potassium hydroxide. Phosphates (tripolyphosphate, pyrophosphate, metaphosphate, trisodium phosphate, etc.), silicates, carbonates, sulfates, sulfites and the like can be mentioned. Examples of the counterion of these salts include alkali metal salts and amines, and specific examples thereof include sodium, potassium, monoethanolamine, diethanolamine, and triethanolamine.
有機化合物としては、特に限定されないが、クエン酸、リンゴ酸、乳酸、酒石酸、安息香酸、パラトルエンスルホン酸、エチレンジアミン四酢酸、グリコール酸、ジエタノールアミントリエタノールアミンが挙げられる。カルボン酸塩（アミノカルボン酸塩、ヒドロキシアミノカルボン酸塩、ヒドロキシカルボン酸塩、シクロカルボン酸塩、マレイン酸誘導体、シュウ酸塩等）、有機カルボン酸（塩）ポリマー（アクリル酸ポリマー及びコポリマー、多価カルボン酸（例えばマレイン酸等）ポリマー及びコポリマー、グリオキシル酸ポリマー、多糖類及びこれらの塩等）等が挙げられる。これらの塩の対イオンとしては、アルカリ金属塩、アミン類が挙げられ、具体的にはナトリウム、カリウム、モノエタノールアミン、又はジエタノールアミン、トリエタノールアミンが挙げられる。 The organic compound is not particularly limited, and examples thereof include citric acid, malic acid, lactic acid, tartaric acid, benzoic acid, paratoluenesulfonic acid, ethylenediaminetetraacetic acid, glycolic acid, and diethanolamine triethanolamine. Carboxylates (aminocarboxylic acids, hydroxyaminocarboxylic acids, hydroxycarboxylic acids, cyclocarboxylic acids, maleic acid derivatives, oxalates, etc.), organic carboxylic acid (salt) polymers (acrylic acid polymers and copolymers, poly) Examples thereof include valent carboxylic acid (for example, maleic acid) polymers and copolymers, glyoxylic acid polymers, polysaccharides and salts thereof). Examples of the counterion of these salts include alkali metal salts and amines, and specific examples thereof include sodium, potassium, monoethanolamine, diethanolamine, and triethanolamine.
抗菌剤を配合することができる。抗菌剤は、繊維上での菌の増殖を抑え、さらには微生物の分解物由来の臭いの発生を抑える効果を有する成分である。 Antibacterial agents can be blended. The antibacterial agent is a component having an effect of suppressing the growth of bacteria on the fiber and further suppressing the generation of an odor derived from a decomposition product of a microorganism.
抗菌剤としては、特に限定されないが、例えば、四級アンモニウム塩（塩化ベンザルコニウム、ジデシルジメチルアンモニウムクロライド）などのカチオン性殺菌剤、ダイクロサン、トリクロサン、ビス−（２−ピリジルチオ−１−オキシド）亜鉛、ポリヘキサメチレンビグアニジン塩酸塩、８−オキシキノリン、ポリリジン等が挙げられる。 The antibacterial agent is not particularly limited, but is, for example, a cationic bactericide such as a quaternary ammonium salt (benzalkonium chloride, didecyldimethylammonium chloride), diclosan, triclosan, bis- (2-pyridylthio-1-oxide). ) Zinc, polyhexamethylene biguanidine hydrochloride, 8-oxyquinoline, polylysine and the like.
抗菌剤の含有量としては、特に限定されないが、例えば、繊維用柔軟剤１００質量％に対し、０．５質量％以下、０．１質量％以下、０．０２質量％以下、０．０１質量％以下であってよい。本発明の閉鎖小胞体又は重縮合ポリマー粒子も抗菌作用及びその効果持続性も高いため、有機化合物の含有量は少量であっても、含有しなくてもよい。 The content of the antibacterial agent is not particularly limited, but is, for example, 0.5% by mass or less, 0.1% by mass or less, 0.02% by mass or less, 0.01% by mass with respect to 100% by mass of the fiber softener. It may be less than or equal to%. Since the closed endoplasmic reticulum or polycondensation polymer particles of the present invention also have a high antibacterial action and long-lasting effect, the content of the organic compound may or may not be small.
上記成分以外に、柔軟剤に通常用いられるその他の成分を含有することもできる。 In addition to the above components, other components usually used for softeners can also be contained.
その他の成分としては、例えば、水混和性有機溶剤、酸化防止剤、防腐剤、風合い向上剤、保存安定性向上剤、蛍光剤、パール剤、着香剤、着色剤、天然物等のエキス、消泡剤等が挙げられる。 Other ingredients include, for example, water-miscible organic solvents, antioxidants, preservatives, texture improvers, storage stability improvers, fluorescent agents, pearling agents, flavoring agents, colorants, extracts of natural products, etc. Examples include antifoaming agents.
添加剤の含有量としては、使用方法や柔軟剤の希釈の割合等により適宜設定することができる。 The content of the additive can be appropriately set depending on the method of use, the dilution ratio of the softener, and the like.
当該柔軟剤を用いた柔軟処理の対象である繊維の素材としては、特に限定されず、例えば天然繊維である植物繊維の綿、亜麻、苧麻、さらに上記以外の葉脈繊維、また、天然繊維である動物繊維においては、羊毛、モヘヤ、アルパカ、らくだ、カシミヤ、アンゴラ、ビキューナ、ラマ、シルク、天然繊維である羽毛のダウン、フェザー、天然繊維である靭皮繊維が挙げられる。一方で、化学繊維である再生繊維のレーヨン、銅アンモニア繊維のキュプラ、上記以外の再生繊維のリヨセル、半合成繊維のアセテート、トリアセテート、上記以外の半合成繊維、化学繊維である合成繊維のナイロン、ポリエステル、ポリウレタン、ポリエチレン、ビニロン、ビニリデン、ポリ塩化ビニル、アクリル、アクリル系、ポリプロピレン、ポリ乳酸、アラミド、上記以外の合成繊維、さらに、天然繊維と合成繊維、天然繊維と天然繊維、合成繊維と合成繊維を１種以上組み合わせた混紡繊維等が挙げられる。繊維製品品質表示規定の指定、分類の有無に関わらず、繊維製品として扱われる繊維ならばいずれであってもよい。 The material of the fiber to be softened using the softening agent is not particularly limited, and is, for example, natural fibers such as cotton, flax, and hemp, leaf vein fibers other than the above, and natural fibers. Examples of animal fibers include wool, mohair, alpaca, camel, cashmere, angora, vicuna, llama, silk, down feathers, which are natural fibers, feathers, and bast fibers, which are natural fibers. On the other hand, rayon of recycled fiber which is a chemical fiber, cupra of copper ammonia fiber, lyocell of recycled fiber other than the above, acetate of semi-synthetic fiber, triacetate, semi-synthetic fiber other than the above, nylon of synthetic fiber which is chemical fiber, Polyester, polyurethane, polyethylene, vinylon, vinylidene, polyvinyl chloride, acrylic, acrylic, polypropylene, polylactic acid, aramid, synthetic fibers other than the above, natural fibers and synthetic fibers, natural fibers and natural fibers, synthetic fibers and synthetic Examples thereof include blended fibers in which one or more types of fibers are combined. Any fiber that is treated as a textile product may be used regardless of whether or not the textile product quality labeling regulations are specified or classified.
繊維製品としては、上述の繊維素材の全部又は一部を用いた繊維製品であれば特に限定されず、例えば織物、ニット生地及びレース生地、水着、下着及び組成繊維中における絹の混用率が５０％以上の織物、たて糸又はよこ糸の組成繊維が絹のみの織物、羽織、着物、靴下、手袋、帯、足袋、ハンカチ、風呂敷、ネクタイ、羽織ひも、帯締め、床敷物、布団、テーブル掛け、タオル、手拭い、布巾、雑巾、セーター、シャツ、ズボン、ドレス、ホームドレス、ブラウス、スカート、事務服、作業服、上衣、子供用オーバーオール、ロンパース、下着、寝衣、羽織及び着物、帽子、マフラー、スカーフ、ショール、エプロン、かっぽう着、毛布、膝掛け、上掛け、布団カバー、敷布、カーテン、ベッドスプレッド、毛布カバー、枕カバー、コート等が挙げられる。 The textile product is not particularly limited as long as it is a textile product using all or part of the above-mentioned fiber material, and for example, the mixing ratio of silk in woven fabrics, knit fabrics and lace fabrics, swimwear, underwear and composition fibers is 50. % Or more woven fabrics, warp or weft woven fabrics with silk only, haori, kimono, socks, gloves, obi, socks, handkerchiefs, bathrobes, ties, haori strings, obi ties, floor rugs, duvets, table hangings, towels, Hand wipes, cloths, rags, sweaters, shirts, trousers, dresses, home dresses, blouses, skirts, office clothes, work clothes, tops, children's overalls, rompers, underwear, bedding, haori and kimono, hats, mufflers, scarves, Examples include shawls, aprons, dresses, blankets, rugs, underwear, duvet covers, mattresses, curtains, bed spreads, blanket covers, pillowcases, coats and the like.
なお、特に、柔軟性を要求される用途に使用される繊維製品（例えば人間の皮膚に接触する用途、より具体的には、衣類、下着、ハンカチ、タオル）等に対して使用した場合、柔らかい状態を維持して感触のよい繊維が得られる。 In particular, it is soft when used for textile products used for applications requiring flexibility (for example, applications that come into contact with human skin, more specifically, clothing, underwear, handkerchiefs, towels) and the like. A fiber that maintains its condition and feels good is obtained.
また、特に、吸水性を要求される用途に使用される繊維製品（例えば上述の繊維製品の中ではタオルや手拭い、布巾、雑巾等）に使用した場合、それらの機能として本来要求される吸水性の低下を防止することができる。 In particular, when used for textile products (for example, towels, washcloths, cloths, rags, etc. among the above-mentioned textile products) used for applications requiring water absorption, the water absorption originally required as their function is required. Can be prevented from decreasing.
以上のような柔軟剤によれば、繊維の洗浄、乾燥による柔軟性の低下及び繊維が本来有する吸水性の低下を防止することができる。また、以上のような柔軟剤は、生体的・環境的に極めて安全と考えられ、家庭用柔軟剤にも好ましく用いることができる。 According to the softener as described above, it is possible to prevent a decrease in flexibility due to washing and drying of the fiber and a decrease in water absorption inherent in the fiber. Further, the above-mentioned softeners are considered to be extremely safe biologically and environmentally, and can be preferably used as household softeners.
＜繊維の洗浄方法＞
本発明に係る繊維の洗浄方法は、繊維を洗浄した（洗浄工程）後、上述したいずれかの柔軟剤を用いて処理を施す（柔軟処理工程）方法である。なお、本明細書において、繊維に対し柔軟剤を用いて処理を施すことを、「柔軟処理」という。
<Fiber cleaning method>
The fiber cleaning method according to the present invention is a method in which the fibers are washed (cleaning step) and then treated with any of the above-mentioned softeners (softening step). In the present specification, the treatment of fibers with a softener is referred to as "softening treatment".
（洗浄工程）
繊維の洗浄工程としては、特に限定されず、従来公知の洗浄方法を採用できる。具体的に、繊維の洗浄方法は、現在のところ主として全自動洗濯機、二槽式洗濯機及び手洗いに分けられるが、これらのいずれを行ってもよい。また、使用する洗剤も、特に限定されず、市販の各種洗剤を用いることができる。
(Washing process)
The fiber cleaning step is not particularly limited, and a conventionally known cleaning method can be adopted. Specifically, the fiber washing method is currently mainly divided into a fully automatic washing machine, a two-tank washing machine and a hand washing machine, but any of these may be performed. Further, the detergent to be used is not particularly limited, and various commercially available detergents can be used.
（柔軟処理工程）
柔軟処理の具体的な方法としては、特に限定されないが、従来市販の柔軟剤と同様に用いることができる。
(Flexible processing process)
The specific method of the softening treatment is not particularly limited, but can be used in the same manner as a conventionally commercially available softener.
具体的に、柔軟処理は、効率性等の観点から一般に、前工程の繊維の洗浄に引き続いて行われるため、同様の装置・容器で行われることが多い。上述したとおり、繊維の洗浄は、現在のところ全自動洗濯機、二槽式洗濯機及び手洗いに分けられるため、これと同様の装置・容器で行えばよい。ただし、柔軟処理は、繊維の洗浄と同様の装置・容器で行うことには限定されず、繊維の洗浄と同様の装置・容器以外で行ってもよい。 Specifically, from the viewpoint of efficiency and the like, the softening treatment is generally performed following the washing of the fibers in the previous step, and therefore is often performed in the same equipment / container. As described above, the washing of fibers is currently divided into a fully automatic washing machine, a two-tank washing machine and a hand washing machine, and therefore the same equipment and container may be used. However, the softening treatment is not limited to being performed in the same device / container as the fiber cleaning, and may be performed in a device / container other than the same device / container as the fiber cleaning.
全自動洗濯機を用いて繊維の洗浄を行う場合、繊維の洗浄を始める前に柔軟剤自動投入口に柔軟剤をセットし、繊維の洗浄後、最後のすすぎ時に柔軟剤が投入され、繊維に柔軟処理を施すことができる。 When washing fibers using a fully automatic washing machine, the softener is set in the automatic softener inlet before starting the washing of the fibers, and after the fibers are washed, the softener is added at the final rinse to the fibers. Flexible processing can be applied.
二槽式洗濯機を用いて繊維の洗浄を行う場合、繊維の洗浄後、すすぎの水がきれいになった時点で柔軟剤を投入する。柔軟剤を投入後に当該二槽式洗濯機を例えば２分以上まわすことで、繊維に柔軟処理を施すことができる。 When washing the fibers using a two-tank washing machine, the softener is added when the rinse water is clean after washing the fibers. After adding the softener, the fibers can be softened by rotating the two-tank washing machine for, for example, 2 minutes or more.
手洗いによって繊維の洗浄を行う場合、繊維の洗浄後、すすぎが終わったら、もう１度洗い桶に水を汲み、柔軟剤を添加し、この中に洗濯物を例えば２分以上浸すことで、繊維に柔軟処理を施すことができる。 When washing the fibers by hand washing, after washing the fibers, after rinsing, draw water into the washing tub again, add a softener, and soak the laundry in it for, for example, 2 minutes or more. Can be flexibly processed.
なお、上述したとおり、本発明の柔軟剤は生体安全性を有するため、手洗いをして直接皮膚に触れても特に生体への影響はないと考えられる。 As described above, since the softener of the present invention has biosafety, it is considered that there is no particular effect on the living body even if the fabric softener of the present invention is washed by hand and directly touches the skin.
柔軟処理に用いる水の水温としては、特に限定されず、５℃以上であることが好ましく、１０℃以上であることがより好ましく、２０℃以上であることがさらに好ましく、２５℃以上であることがさらに好ましく、３０℃以上であることが特に好ましい。なお、例えば３５℃以上、４０℃以上、４５℃以上、５０℃以上、５５℃以上、６０℃以上、６５℃以上であってもよい。また、水温としては、例えば、８０℃以下、７５℃以下、７０℃以下であってよい。 The water temperature of the water used for the softening treatment is not particularly limited, and is preferably 5 ° C. or higher, more preferably 10 ° C. or higher, further preferably 20 ° C. or higher, and 25 ° C. or higher. Is more preferable, and 30 ° C. or higher is particularly preferable. In addition, for example, it may be 35 degreeC or more, 40 degreeC or more, 45 degreeC or more, 50 degreeC or more, 55 degreeC or more, 60 degreeC or more, 65 degreeC or more. The water temperature may be, for example, 80 ° C. or lower, 75 ° C. or lower, and 70 ° C. or lower.
柔軟剤の使用量としては、特に限定されず、適宜設計することができるが、例えば水に対する濃度で０．３ｇ／Ｌ以上であることが好ましく、０．５ｇ／Ｌ以上であることがより好ましく、１．０ｇ／Ｌ以上であることがさらに好ましく、１．５ｇ／Ｌ以上であることが特に好ましい。また、柔軟剤の使用量としては、３．５ｇ／Ｌ以下、２．５ｇ／Ｌ以下、２．０ｇ／Ｌ以下であってよい。 The amount of the softener used is not particularly limited and can be appropriately designed, but for example, the concentration with respect to water is preferably 0.3 g / L or more, and more preferably 0.5 g / L or more. , 1.0 g / L or more, and particularly preferably 1.5 g / L or more. The amount of the softener used may be 3.5 g / L or less, 2.5 g / L or less, and 2.0 g / L or less.
以下、本発明の実施例及び比較例を示して、本発明についてより具体的に説明する。なお、本発明は以下の実施例に何ら限定されない。 Hereinafter, the present invention will be described in more detail with reference to Examples and Comparative Examples of the present invention. The present invention is not limited to the following examples.
＜柔軟性試験＞
〔試料の調製〕
［柔軟剤試料の原料］
（油性成分）
オリーブ油（ＮＩＫＫＯＬ オリーブ油，日光ケミカルズ株式会社製）
（重縮合ポリマー粒子）
グルコマンナン（ＮＥＷＧＥＬＩＮ ＧＭ，三菱ケミカルフーズ株式会社製）
キサンタンガム（ＮＥＷＧＥＬＩＮ ＸＧＲ，三菱ケミカルフーズ株式会社製）
（閉鎖小胞体）
ポリオキシエチレン硬化ひまし油（ＮＩＫＫＯＬ ＨＣＯ−１０，日光ケミカルズ株式会社製）
ポリオキシエチレン硬化ひまし油（ＮＩＫＫＯＬ ＨＣＯ−６０，日光ケミカルズ株式会社製）
<Flexibility test>
[Sample preparation]
[Ingredients for fabric softener samples]
(Oil component)
Olive oil (NIKKOL olive oil, manufactured by Nikko Chemicals Co., Ltd.)
(Polycondensation polymer particles)
Glucomannan (NEWGELIN GM, manufactured by Mitsubishi Chemical Foods Co., Ltd.)
Xanthan gum (NEWGELIN XGR, manufactured by Mitsubishi Chemical Foods Co., Ltd.)
(Closed endoplasmic reticulum)
Polyoxyethylene hydrogenated castor oil (NIKKOL HCO-10, manufactured by Nikko Chemicals Co., Ltd.)
Polyoxyethylene hydrogenated castor oil (NIKKOL HCO-60, manufactured by Nikko Chemicals Co., Ltd.)
［柔軟剤試料の調製］
（実施例１）
ビーカー中で精製水を１０，０００ｒｐｍで撹拌しながらグルコマンナン、キサンタンガムを添加し、撹拌した。次いで油性成分を滴下し、撹拌して実施例１の柔軟剤試料を得た。各試料の組成は表１のとおりとした。なお、表１において、数値は質量％を示す。
[Preparation of fabric softener sample]
(Example 1)
Glucomannan and xanthan gum were added and stirred while stirring the purified water at 10,000 rpm in a beaker. Then, the oily component was added dropwise and stirred to obtain a softener sample of Example 1. The composition of each sample is as shown in Table 1. In Table 1, the numerical value indicates mass%.
（実施例２ ）
ビーカー中で精製水を１０，０００ｒｐｍで撹拌しながらポリオキシエチレン硬化ひまし油（ＨＣＯ−６０）を添加して撹拌した。次いで油性成分を滴下し、撹拌して実施例２の柔軟剤試料を得た。各試料の組成は表２のとおりとした。なお、表２において、数値は質量％を示す。
(Example 2)
Polyoxyethylene hydrogenated castor oil (HCO-60) was added and stirred while stirring the purified water in a beaker at 10,000 rpm. Then, the oily component was added dropwise and stirred to obtain a softener sample of Example 2. The composition of each sample is as shown in Table 2. In Table 2, the numerical values indicate mass%.
（実施例３及び４）
ビーカー中で精製水を１０，０００ｒｐｍで撹拌しながらポリオキシエチレン硬化ひまし油（ＨＣＯ−１０）を添加して撹拌し、実施例３及び４の柔軟剤試料を得た。各試料の組成は表３のとおりとした。なお、表３において、数値は質量％を示す。
(Examples 3 and 4)
While stirring purified water at 10,000 rpm in a beaker, polyoxyethylene hydrogenated castor oil (HCO-10) was added and stirred to obtain softener samples of Examples 3 and 4. The composition of each sample is as shown in Table 3. In Table 3, the numerical values indicate mass%.
（実施例５及び６）
各試料の組成以外、実施例２と同様に、実施例５及び６の柔軟剤試料を得た。各試料の組成は表４のとおりとした。なお、表４において、数値は質量％を示す。
(Examples 5 and 6)
Other than the composition of each sample, the softener samples of Examples 5 and 6 were obtained in the same manner as in Example 2. The composition of each sample is as shown in Table 4. In Table 4, the numerical values indicate mass%.
（比較例１）
トリ（オキシエチレン）メチルアンモニウム塩メチルサルフェートの脂肪酸エステル（ライオンソフターＥＱ，ライオン・スペシャリティ・ケミカルズ株式会社製）を水に溶解させ、２．５ｗｔ％水溶液を調製し、比較例１の柔軟剤試料とした。なお、トリ（オキシエチレン）メチルアンモニウム塩メチルサルフェートの脂肪酸エステルは、市販の柔軟剤の柔軟成分として使用されるものである。
(Comparative Example 1)
A fatty acid ester of tri (oxyethylene) methylammonium salt methyl sulfate (Lion Softener EQ, manufactured by Lion Specialty Chemicals Co., Ltd.) was dissolved in water to prepare a 2.5 wt% aqueous solution, and the softener sample of Comparative Example 1 was used. did. The fatty acid ester of tri (oxyethylene) methylammonium salt methylsulfate is used as a softening component of a commercially available softener.
＜柔軟性付与能試験＞
〔試料の調製〕
［前処理］
市販の綿タオル（（株）リポス製、商品名：Ｆ／Ｔ リポスゴールド３５０匁白ボーダー３４×８０）１５枚を、前処理専用洗剤（ＮＳファーファ・ジャパン株式会社製；ポリオキシエチレンラウリルエーテル（ＥＯ：９モル）２５％溶液）を用いて、全自動洗濯機（ＨＩＴＡＣＨＩ製ＢＷ−７ＭＶ）を用いて３回洗浄し、購入時の綿タオルに付着している糊剤等を除去した（洗剤標準使用量（２５ｇ／３０Ｌ）、水道水（常温）、水量５０Ｌ、洗浄１２分、次いで、注水すすぎ３回、脱水９分）後、洗剤を使用しないこと以外、同様の工程（水道水（常温）、水量５０Ｌ、洗浄１５分、次いで、注水すすぎ３回、脱水９分）を１回行い、室温で乾燥させた。
<Flexibility test>
[Sample preparation]
[Preprocessing]
15 commercially available cotton towels (manufactured by Lipos Co., Ltd., trade name: F / T Lipos Gold 350 匁 White Border 34 x 80), pretreatment detergent (manufactured by NS Farfa Japan Co., Ltd .; polyoxyethylene lauryl ether ( EO: 9 mol) 25% solution) was washed 3 times using a fully automatic washing machine (HITACHI BW-7MV) to remove the glue etc. adhering to the cotton towel at the time of purchase (detergent). After standard usage (25g / 30L), tap water (normal temperature), water volume 50L, washing 12 minutes, then water injection rinse 3 times, dehydration 9 minutes), the same process (tap water (normal temperature)" except that no detergent is used. ), Water volume 50 L, washing 15 minutes, then water injection rinse 3 times, dehydration 9 minutes) was performed once and dried at room temperature.
［柔軟性付与処理］
前処理洗浄した綿タオル０．５ｋｇを、二槽式洗濯機（ＨＩＴＡＣＨＩ製ＰＳ−Ｈ３５Ｌ）を用いて、実施例１、２の試料又は比較例１の試料にて５分間処理（各試料１０ｇ、水１０Ｌ、水道水（常温））を行った後、脱水を１分間行った。これらの処理の後、２０℃、６５％ＲＨの恒温恒湿条件下で乾燥させた。
[Flexibility granting process]
0.5 kg of pretreated washed cotton towel is treated with a sample of Examples 1 and 2 or a sample of Comparative Example 1 for 5 minutes using a two-tank washing machine (PS-H35L manufactured by HITACHI) (10 g of each sample, After water (10 L, tap water (normal temperature)) was applied, dehydration was performed for 1 minute. After these treatments, they were dried under constant temperature and humidity conditions of 20 ° C. and 65% RH.
〔試料の評価〕
上記「柔軟性付与処理」において、何も加えないこと以外、同様の処理した綿タオルを対照として用い、専門パネラー５名の一対比較により判定した。各パネラーの評価基準は、以下のとおりであり、５名の点数の平均値をとった。この平均値が０．５点以上であれば、繊維に対して柔軟性付与能を有しているといえる。この結果を下記表５及び６に示す。
[Sample evaluation]
In the above-mentioned "flexibility imparting treatment", a cotton towel treated in the same manner except that nothing was added was used as a control, and the judgment was made by a paired comparison of five specialized panelists. The evaluation criteria of each panelist are as follows, and the average value of the scores of 5 people was taken. If this average value is 0.5 points or more, it can be said that the fiber has the ability to impart flexibility. The results are shown in Tables 5 and 6 below.
（評価基準）
＋２：対照よりも明らかに良好である。
＋１：対照よりもやや良好である。
０：対照とほぼ同じである。
−１：対照の方がやや良好である。
−２：対照の方が明らかに良好である。
(Evaluation criteria)
+2: Clearly better than the control.
+1: Slightly better than the control.
0: Almost the same as the control.
-1: The control is slightly better.
-2: The control is clearly better.
表５に示すとおり、重縮合ポリマー粒子と油性成分とにより形成したエマルション粒子を含む実施例１及び閉鎖小胞体と油性成分とにより形成したエマルション粒子を含む実施例２の柔軟剤試料は、繊維に対する柔軟性付与能を有しているといえる。 As shown in Table 5, the softener samples of Example 1 containing the emulsion particles formed by the polycondensation polymer particles and the oily component and Example 2 containing the emulsion particles formed by the closed endoplasmic reticulum and the oily component were for fibers. It can be said that it has the ability to impart flexibility.
表６に示すとおり、閉鎖小胞体のみを含む実施例３、４のみで繊維に対する柔軟性付与能を有していることが分かった。また、油性成分により形成したエマルション粒子を含む柔軟剤試料の方が繊維に対する柔軟性付与能がより高いといえる。 As shown in Table 6, it was found that only Examples 3 and 4 containing only the closed endoplasmic reticulum had the ability to impart flexibility to the fibers. Further, it can be said that the softener sample containing the emulsion particles formed by the oily component has a higher ability to impart flexibility to the fiber.
＜吸水性低下防止能試験＞
〔試料の調製〕
［評価用布の前処理方法］
市販の綿金巾（金巾３号）５０枚を、前処理専用洗剤（ＮＳファーファ・ジャパン株式会社製；ポリオキシエチレンラウリルエーテル（ＥＯ：９モル）２５％溶液）により全自動洗濯機（ＨＩＴＡＣＨＩ製ＢＷ−７ＭＶ）を用いて３回洗浄し、購入時の綿タオルに付着している糊剤等を除去した（洗剤標準使用量（２５ｇ／３０Ｌ）、水道水（常温）、水量５０Ｌ、洗浄１５分、次いで、注水すすぎ３回、脱水９分）後、洗剤を使用せず、同様の工程（水道水（常温）、水量５０Ｌ、洗浄１５分、次いで、注水すすぎ３回、脱水９分）を１回行い、室温で乾燥させた。
<Water absorption reduction prevention ability test>
[Sample preparation]
[Pretreatment method for evaluation cloth]
Fully automatic washing machine (HITACHI BW) using 50 commercially available cotton towels (Kin Width No. 3) with a pretreatment detergent (NS Farfa Japan Co., Ltd .; polyoxyethylene lauryl ether (EO: 9 mol) 25% solution) Washed 3 times with -7MV) to remove the glue etc. adhering to the cotton towel at the time of purchase (standard amount of detergent used (25 g / 30 L), tap water (normal temperature), water volume 50 L, washing 15 minutes Then, after water injection rinse 3 times, dehydration 9 minutes), the same process (tap water (normal temperature), water volume 50 L, washing 15 minutes, then water injection rinse 3 times, dehydration 9 minutes) is performed 1 without using detergent. It was repeated and dried at room temperature.
［吸水性低下防止処理］
前処理洗浄した綿金巾６．０ｇを、二槽式洗濯機（ＨＩＴＡＣＨＩ製ＰＳ−Ｈ３５Ｌ）を用いて、実施例の試料又は比較例１にて５分間処理（組成物１０ｇ、水１０Ｌ、水道水（常温））を行った後、脱水を１分間行った。これらの処理の後、２０℃、６５％ＲＨの恒温恒湿条件下で乾燥させた。
[Water absorption reduction prevention treatment]
Pre-treated and washed 6.0 g of cotton gold width is treated with a sample of Example or Comparative Example 1 for 5 minutes using a two-tank washing machine (PS-H35L manufactured by HITACHI) (composition 10 g, water 10 L, tap water). (Room temperature)), and then dehydration was performed for 1 minute. After these treatments, they were dried under constant temperature and humidity conditions of 20 ° C. and 65% RH.
〔吸水性の評価〕
前処理した試料から大きさ約２００ｍｍ×２５ｍｍの試験片を採取した。次に、水を入れた水槽の水面上に支えた水平棒上に試験片をピンで固定した後、水平棒を降下させて、試験片の下端の２０ｍｍ±２ｍｍが水に浸せきするように調整し、そのまま１０分間放置した。放置後、毛細管現象によって水が上昇した高さをスケールで測定した。図１は、吸水性の評価に用いた装置の模式図である。
[Evaluation of water absorption]
A test piece having a size of about 200 mm × 25 mm was collected from the pretreated sample. Next, after fixing the test piece with a pin on a horizontal rod supported on the water surface of the water tank filled with water, lower the horizontal rod and adjust so that the lower end 20 mm ± 2 mm of the test piece is immersed in water. Then, it was left as it was for 10 minutes. After being left to stand, the height at which the water rose due to the capillary phenomenon was measured on a scale. FIG. 1 is a schematic view of an apparatus used for evaluating water absorption.
上記「吸水性低下防止処理」において、何も加えなかったこと以外同条件で処理した金巾（以下、「ブランク」という。）において同様の試験を行い、ブランクが１０分間に上昇する水の高さを対照として、Ｎ＝２回の平均高さをとり、ブランクを１００％とした際の数値を吸水率とし、実施例１、実施例２及び比較例１の試料を用いた試験の結果を下記表７にに、実施例３〜６の試料を用いた試験の結果を下記表８にそれぞれ示した。 In the above "water absorption reduction prevention treatment", the same test was performed on a gold cloth (hereinafter referred to as "blank") treated under the same conditions except that nothing was added, and the height of water at which the blank rises in 10 minutes. As a control, the average height of N = 2 times was taken, the value when the blank was set to 100% was taken as the water absorption rate, and the results of the test using the samples of Example 1, Example 2 and Comparative Example 1 are shown below. Table 7 shows the results of the tests using the samples of Examples 3 to 6, respectively, in Table 8 below.
また、実施例２及び比較例１の試料を用いて洗浄した試験片並びにブランクの試験片について、「ＪＩＳ Ｌ１９０７：２０１０ 繊維製品の吸水性試験方法」に規定されるバイレック法を用いて、吸水性試験を行った。図２は、実施例２及び比較例１の試料を用いて柔軟処理した試験片及びブランクの試験片のバイレック試験後の写真図である。なお、写真撮影のため、試験片を浸漬させる水には０．０５重量％となるように青色１号（ブリリアントブルーＦＣＦ、癸巳化成株式会社製）を添加して着色した。 Further, the test pieces washed using the samples of Example 2 and Comparative Example 1 and the blank test pieces were subjected to the water absorption method using the Bilek method specified in "JIS L1907: 2010 Water Absorption Test Method for Textile Products". The test was conducted. FIG. 2 is a photographic view of a test piece and a blank test piece that have been flexibly treated using the samples of Example 2 and Comparative Example 1 after the birec test. For photography, Blue No. 1 (Brilliant Blue FCF, manufactured by Ami Kasei Co., Ltd.) was added to the water in which the test piece was immersed so as to have a weight of 0.05% by weight.
表７、表８及び図２に示すとおり、閉鎖小胞体や重縮合ポリマーを用いた実施例１〜６の柔軟剤試料は、従来市販されている柔軟剤と同様の陽イオン界面活性剤を用いた比較例の柔軟剤試料よりも優れた吸水性能を示す傾向にあった。
As shown in Tables 7, 8 and 2, the softener samples of Examples 1 to 6 using closed endoplasmic reticulum and polycondensation polymer use the same cationic surfactant as the conventionally commercially available softener. It tended to show better water absorption performance than the softener sample of the comparative example.
Claims (7)
A method for cleaning fibers, wherein the fibers are washed and then treated with the softener according to any one of claims 1 to 6.
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| JPS53134784A (en) * | 1977-04-28 | 1978-11-24 | Kao Corp | Production of small hollow cell-containing material consisting of double layers of surface active agent |
| US5279767A (en) * | 1992-10-27 | 1994-01-18 | The Procter & Gamble Company | Chemical softening composition useful in fibrous cellulosic materials |
| JPH08120569A (en) * | 1994-10-20 | 1996-05-14 | Lion Corp | Softening agent composition |
| JP3194958B2 (en) * | 1993-06-03 | 2001-08-06 | ザ、プロクター、エンド、ギャンブル、カンパニー | Anhydrous, self-emulsifying chemical softener composition useful for fibrous cellulosic materials |
| JP2004232163A (en) * | 2003-02-03 | 2004-08-19 | Kao Corp | Softener composition |
| JP3855203B2 (en) * | 2004-04-05 | 2006-12-06 | 学校法人神奈川大学 | Emulsifying dispersant, emulsifying dispersion method using the same, and emulsion |
| JP2007535620A (en) * | 2004-04-30 | 2007-12-06 | ヘンケル・コマンディットゲゼルシャフト・アウフ・アクチエン | Textile care products containing cellulose ethers containing amine groups |
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2019
- 2019-03-29 JP JP2019067649A patent/JP7359365B2/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53134784A (en) * | 1977-04-28 | 1978-11-24 | Kao Corp | Production of small hollow cell-containing material consisting of double layers of surface active agent |
| US5279767A (en) * | 1992-10-27 | 1994-01-18 | The Procter & Gamble Company | Chemical softening composition useful in fibrous cellulosic materials |
| JP3194958B2 (en) * | 1993-06-03 | 2001-08-06 | ザ、プロクター、エンド、ギャンブル、カンパニー | Anhydrous, self-emulsifying chemical softener composition useful for fibrous cellulosic materials |
| JPH08120569A (en) * | 1994-10-20 | 1996-05-14 | Lion Corp | Softening agent composition |
| JP2004232163A (en) * | 2003-02-03 | 2004-08-19 | Kao Corp | Softener composition |
| JP3855203B2 (en) * | 2004-04-05 | 2006-12-06 | 学校法人神奈川大学 | Emulsifying dispersant, emulsifying dispersion method using the same, and emulsion |
| JP2007535620A (en) * | 2004-04-30 | 2007-12-06 | ヘンケル・コマンディットゲゼルシャフト・アウフ・アクチエン | Textile care products containing cellulose ethers containing amine groups |
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| JP7359365B2 (en) | 2023-10-11 |
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