JP2017201063A - Flame-retardant fabric and fiber product - Google Patents
Flame-retardant fabric and fiber product Download PDFInfo
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- JP2017201063A JP2017201063A JP2016092453A JP2016092453A JP2017201063A JP 2017201063 A JP2017201063 A JP 2017201063A JP 2016092453 A JP2016092453 A JP 2016092453A JP 2016092453 A JP2016092453 A JP 2016092453A JP 2017201063 A JP2017201063 A JP 2017201063A
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- fiber
- flame
- retardant
- meta
- aromatic polyamide
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- 239000000835 fiber Substances 0.000 title claims abstract description 162
- 239000003063 flame retardant Substances 0.000 title claims abstract description 63
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims abstract description 60
- 239000004744 fabric Substances 0.000 title claims abstract description 57
- 239000004760 aramid Substances 0.000 claims abstract description 63
- 229920003235 aromatic polyamide Polymers 0.000 claims abstract description 60
- 238000000034 method Methods 0.000 claims abstract description 32
- 229920000728 polyester Polymers 0.000 claims abstract description 21
- 229920001778 nylon Polymers 0.000 claims abstract description 13
- 238000005259 measurement Methods 0.000 claims abstract description 11
- 125000003118 aryl group Chemical group 0.000 claims description 22
- -1 aromatic dicarboxylic acid halide Chemical class 0.000 claims description 14
- 239000013557 residual solvent Substances 0.000 claims description 10
- 239000004753 textile Substances 0.000 claims description 7
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 6
- 239000004693 Polybenzimidazole Substances 0.000 claims description 6
- 239000004697 Polyetherimide Substances 0.000 claims description 6
- 239000004642 Polyimide Substances 0.000 claims description 6
- 239000004734 Polyphenylene sulfide Substances 0.000 claims description 6
- 150000004984 aromatic diamines Chemical class 0.000 claims description 6
- 238000003763 carbonization Methods 0.000 claims description 6
- 229920001230 polyarylate Polymers 0.000 claims description 6
- 229920002480 polybenzimidazole Polymers 0.000 claims description 6
- 229920002577 polybenzoxazole Polymers 0.000 claims description 6
- 229920002530 polyetherether ketone Polymers 0.000 claims description 6
- 229920001601 polyetherimide Polymers 0.000 claims description 6
- 229920001721 polyimide Polymers 0.000 claims description 6
- 229920000069 polyphenylene sulfide Polymers 0.000 claims description 6
- 229920000742 Cotton Polymers 0.000 claims description 5
- 229920000297 Rayon Polymers 0.000 claims description 5
- 239000002964 rayon Substances 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 4
- 229920002972 Acrylic fiber Polymers 0.000 claims description 3
- 229920003043 Cellulose fiber Polymers 0.000 claims description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 3
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 3
- 229920001328 Polyvinylidene chloride Polymers 0.000 claims description 3
- 229920006221 acetate fiber Polymers 0.000 claims description 3
- 125000002947 alkylene group Chemical group 0.000 claims description 3
- 125000004429 atom Chemical group 0.000 claims description 3
- 239000006229 carbon black Substances 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 239000011737 fluorine Substances 0.000 claims description 3
- 229910052731 fluorine Inorganic materials 0.000 claims description 3
- 125000000524 functional group Chemical group 0.000 claims description 3
- 125000005843 halogen group Chemical group 0.000 claims description 3
- 125000005647 linker group Chemical group 0.000 claims description 3
- 229920006277 melamine fiber Polymers 0.000 claims description 3
- 125000004430 oxygen atom Chemical group O* 0.000 claims description 3
- 239000004417 polycarbonate Substances 0.000 claims description 3
- 229920000515 polycarbonate Polymers 0.000 claims description 3
- 229920000098 polyolefin Polymers 0.000 claims description 3
- 229920006306 polyurethane fiber Polymers 0.000 claims description 3
- 239000004800 polyvinyl chloride Substances 0.000 claims description 3
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 3
- 239000005033 polyvinylidene chloride Substances 0.000 claims description 3
- 229910052717 sulfur Inorganic materials 0.000 claims description 3
- 125000004434 sulfur atom Chemical group 0.000 claims description 3
- 239000006097 ultraviolet radiation absorber Substances 0.000 claims description 3
- 239000001023 inorganic pigment Substances 0.000 claims description 2
- 239000012860 organic pigment Substances 0.000 claims description 2
- 239000004952 Polyamide Substances 0.000 claims 1
- 238000004900 laundering Methods 0.000 claims 1
- 229920002647 polyamide Polymers 0.000 claims 1
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical group CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 26
- 239000000243 solution Substances 0.000 description 16
- 238000009987 spinning Methods 0.000 description 13
- 229920000642 polymer Polymers 0.000 description 12
- 239000002904 solvent Substances 0.000 description 12
- 150000001408 amides Chemical class 0.000 description 8
- 229920006231 aramid fiber Polymers 0.000 description 8
- 238000005345 coagulation Methods 0.000 description 8
- 230000015271 coagulation Effects 0.000 description 8
- 238000002156 mixing Methods 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 150000003839 salts Chemical class 0.000 description 7
- 238000005406 washing Methods 0.000 description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 5
- 229910052698 phosphorus Inorganic materials 0.000 description 5
- 239000011574 phosphorus Substances 0.000 description 5
- YCGKJPVUGMBDDS-UHFFFAOYSA-N 3-(6-azabicyclo[3.1.1]hepta-1(7),2,4-triene-6-carbonyl)benzamide Chemical compound NC(=O)C1=CC=CC(C(=O)N2C=3C=C2C=CC=3)=C1 YCGKJPVUGMBDDS-UHFFFAOYSA-N 0.000 description 4
- 238000012695 Interfacial polymerization Methods 0.000 description 4
- 239000000969 carrier Substances 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- YRIUSKIDOIARQF-UHFFFAOYSA-N dodecyl benzenesulfonate Chemical compound CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 YRIUSKIDOIARQF-UHFFFAOYSA-N 0.000 description 4
- 229940071161 dodecylbenzenesulfonate Drugs 0.000 description 4
- 238000007654 immersion Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 238000006116 polymerization reaction Methods 0.000 description 3
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 229910052783 alkali metal Inorganic materials 0.000 description 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000002845 discoloration Methods 0.000 description 2
- 238000004043 dyeing Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- KTUVYMAZYSSBKC-UHFFFAOYSA-N hexyl benzenesulfonate Chemical compound CCCCCCOS(=O)(=O)C1=CC=CC=C1 KTUVYMAZYSSBKC-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000012805 post-processing Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- BJQWBACJIAKDTJ-UHFFFAOYSA-N tetrabutylphosphanium Chemical class CCCC[P+](CCCC)(CCCC)CCCC BJQWBACJIAKDTJ-UHFFFAOYSA-N 0.000 description 2
- 238000009941 weaving Methods 0.000 description 2
- CBCKQZAAMUWICA-UHFFFAOYSA-N 1,4-phenylenediamine Chemical compound NC1=CC=C(N)C=C1 CBCKQZAAMUWICA-UHFFFAOYSA-N 0.000 description 1
- YDYSEBSNAKCEQU-UHFFFAOYSA-N 2,3-diamino-n-phenylbenzamide Chemical compound NC1=CC=CC(C(=O)NC=2C=CC=CC=2)=C1N YDYSEBSNAKCEQU-UHFFFAOYSA-N 0.000 description 1
- GOJFAKBEASOYNM-UHFFFAOYSA-N 2-(2-aminophenoxy)aniline Chemical compound NC1=CC=CC=C1OC1=CC=CC=C1N GOJFAKBEASOYNM-UHFFFAOYSA-N 0.000 description 1
- MYEWQUYMRFSJHT-UHFFFAOYSA-N 2-(2-aminophenyl)sulfonylaniline Chemical compound NC1=CC=CC=C1S(=O)(=O)C1=CC=CC=C1N MYEWQUYMRFSJHT-UHFFFAOYSA-N 0.000 description 1
- LNTGGPJSADTYSG-UHFFFAOYSA-N 2-(2-carbonochloridoylphenoxy)benzoyl chloride Chemical compound ClC(=O)C1=CC=CC=C1OC1=CC=CC=C1C(Cl)=O LNTGGPJSADTYSG-UHFFFAOYSA-N 0.000 description 1
- CJWNFAKWHDOUKL-UHFFFAOYSA-N 2-(2-phenylpropan-2-yl)phenol Chemical compound C=1C=CC=C(O)C=1C(C)(C)C1=CC=CC=C1 CJWNFAKWHDOUKL-UHFFFAOYSA-N 0.000 description 1
- NJMIRMHNYQIHST-UHFFFAOYSA-M 2-dodecylbenzenesulfonate;tetrabutylphosphanium Chemical compound CCCC[P+](CCCC)(CCCC)CCCC.CCCCCCCCCCCCC1=CC=CC=C1S([O-])(=O)=O NJMIRMHNYQIHST-UHFFFAOYSA-M 0.000 description 1
- WEEOFHJAGVFCFD-UHFFFAOYSA-N 2-n-chlorobenzene-1,2-diamine Chemical compound NC1=CC=CC=C1NCl WEEOFHJAGVFCFD-UHFFFAOYSA-N 0.000 description 1
- RPKCLSMBVQLWIN-UHFFFAOYSA-N 2-n-methylbenzene-1,2-diamine Chemical compound CNC1=CC=CC=C1N RPKCLSMBVQLWIN-UHFFFAOYSA-N 0.000 description 1
- LHSXSRQUGCHBPG-UHFFFAOYSA-N 4-(aminomethoxy)aniline Chemical compound NCOC1=CC=C(N)C=C1 LHSXSRQUGCHBPG-UHFFFAOYSA-N 0.000 description 1
- IWRVPXDHSLTIOC-UHFFFAOYSA-N 4-phenyldiazenylbenzene-1,3-diamine Chemical compound NC1=CC(N)=CC=C1N=NC1=CC=CC=C1 IWRVPXDHSLTIOC-UHFFFAOYSA-N 0.000 description 1
- HPFMWXQXAHHFAA-UHFFFAOYSA-N 5-chlorobenzene-1,3-dicarbonyl chloride Chemical compound ClC(=O)C1=CC(Cl)=CC(C(Cl)=O)=C1 HPFMWXQXAHHFAA-UHFFFAOYSA-N 0.000 description 1
- CGXXBHCRXCEKCP-UHFFFAOYSA-N 5-methoxybenzene-1,3-dicarbonyl chloride Chemical compound COC1=CC(C(Cl)=O)=CC(C(Cl)=O)=C1 CGXXBHCRXCEKCP-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229920000561 Twaron Polymers 0.000 description 1
- 150000004996 alkyl benzenes Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- HFACYLZERDEVSX-UHFFFAOYSA-N benzidine Chemical compound C1=CC(N)=CC=C1C1=CC=C(N)C=C1 HFACYLZERDEVSX-UHFFFAOYSA-N 0.000 description 1
- QSRFYFHZPSGRQX-UHFFFAOYSA-N benzyl(tributyl)azanium Chemical class CCCC[N+](CCCC)(CCCC)CC1=CC=CC=C1 QSRFYFHZPSGRQX-UHFFFAOYSA-N 0.000 description 1
- WQGNHOQJJZTLIJ-UHFFFAOYSA-M benzyl(tributyl)azanium;2-dodecylbenzenesulfonate Chemical compound CCCC[N+](CCCC)(CCCC)CC1=CC=CC=C1.CCCCCCCCCCCCC1=CC=CC=C1S([O-])(=O)=O WQGNHOQJJZTLIJ-UHFFFAOYSA-M 0.000 description 1
- IKNWWJMESJSJDP-UHFFFAOYSA-N benzyl(tributyl)phosphanium Chemical class CCCC[P+](CCCC)(CCCC)CC1=CC=CC=C1 IKNWWJMESJSJDP-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000010528 free radical solution polymerization reaction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- MPXAYYWSDIKNTP-UHFFFAOYSA-N n-(2-aminophenyl)acetamide Chemical compound CC(=O)NC1=CC=CC=C1N MPXAYYWSDIKNTP-UHFFFAOYSA-N 0.000 description 1
- VIUHYPPHBQZSPF-UHFFFAOYSA-N naphthalene-1,4-dicarbonyl chloride Chemical compound C1=CC=C2C(C(=O)Cl)=CC=C(C(Cl)=O)C2=C1 VIUHYPPHBQZSPF-UHFFFAOYSA-N 0.000 description 1
- NZZGQZMNFCTNAM-UHFFFAOYSA-N naphthalene-2,6-dicarbonyl chloride Chemical compound C1=C(C(Cl)=O)C=CC2=CC(C(=O)Cl)=CC=C21 NZZGQZMNFCTNAM-UHFFFAOYSA-N 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- LXEJRKJRKIFVNY-UHFFFAOYSA-N terephthaloyl chloride Chemical compound ClC(=O)C1=CC=C(C(Cl)=O)C=C1 LXEJRKJRKIFVNY-UHFFFAOYSA-N 0.000 description 1
- USFPINLPPFWTJW-UHFFFAOYSA-N tetraphenylphosphonium Chemical class C1=CC=CC=C1[P+](C=1C=CC=CC=1)(C=1C=CC=CC=1)C1=CC=CC=C1 USFPINLPPFWTJW-UHFFFAOYSA-N 0.000 description 1
- 239000004762 twaron Substances 0.000 description 1
- 238000002166 wet spinning Methods 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
Landscapes
- Professional, Industrial, Or Sporting Protective Garments (AREA)
- Knitting Of Fabric (AREA)
- Artificial Filaments (AREA)
- Woven Fabrics (AREA)
Abstract
Description
本発明は、メタ型全芳香族ポリアミド繊維を含み、極めて優れた難燃性を有する難燃性布帛および繊維製品に関する。 The present invention relates to a flame-retardant fabric and a textile product that contain a meta-type wholly aromatic polyamide fiber and have extremely excellent flame retardancy.
従来、メタ型全芳香族ポリアミド繊維を含む布帛は難燃性に優れるため、作業服や消防服などの防護衣として用いられている（例えば、特許文献１、特許文献２）。
一方、さらに優れた難燃性や洗濯耐久性が要望されている。
Conventionally, a cloth containing a meta-type wholly aromatic polyamide fiber is excellent in flame retardancy, and thus has been used as protective clothing such as work clothes and fire fighting clothes (for example, Patent Document 1 and Patent Document 2).
On the other hand, further superior flame retardancy and washing durability are desired.
本発明は上記の背景に鑑みなされたものであり、その目的は、メタ型全芳香族ポリアミド繊維を含み、極めて優れた難燃性を有する難燃性布帛および繊維製品を提供することにある。 This invention is made | formed in view of said background, The objective is to provide the flame-retardant fabric and textiles which contain the meta type wholly aromatic polyamide fiber, and have the extremely outstanding flame retardance.
本発明者らは上記の課題を達成するため鋭意検討した結果、メタ型全芳香族ポリアミド繊維と、難燃剤を含むポリエステル繊維および／または難燃剤を含むナイロン繊維とを用いて布帛を構成することにより極めて優れた難燃性を有する難燃性布帛が得られることを見出し、さらに鋭意検討を重ねることにより本発明を完成するに至った。 As a result of intensive studies to achieve the above-mentioned problems, the present inventors have configured a fabric using a meta-type wholly aromatic polyamide fiber and a polyester fiber containing a flame retardant and / or a nylon fiber containing a flame retardant. As a result, it was found that a flame retardant fabric having extremely excellent flame retardancy can be obtained, and the present invention has been completed by intensive studies.
かくして、本発明によれば「メタ型全芳香族ポリアミド繊維と、難燃剤を含むポリエステル繊維および／または難燃剤を含むナイロン繊維とを含む布帛であって、ＪＩＳ Ｌ１０９１−１９９２ Ａ−４法に規定される燃焼性測定において炭化長が５０ｍｍ以下であることを特徴とする難燃性布帛。」が提供される。
その際、ＪＩＳ Ｌ０２１７−１９９５ １０３法により１０回の洗濯を行った後において、ＪＩＳ Ｌ１０９１−１９９２ Ａ−４法に規定される燃焼性測定において炭化長が５０ｍｍ以下であることが好ましい。また、前記メタ型全芳香族ポリアミド繊維において、残存溶媒量が０．１質量％以下であることが好ましい。また、前記メタ型全芳香族ポリアミド繊維がさらに、有機染料または有機顔料または無機顔料を含むことが好ましい。また、布帛がさらにポリエステル繊維を含むことが好ましい。また、布帛がさらに、パラ型全芳香族ポリアミド繊維、全芳香族ポリエステル繊維、ポリベンズオキサゾール（ＰＢＯ）繊維、ポリベンズイミダゾール（ＰＢＩ）繊維、ポリベンズチアゾール（ＰＢＴＺ）繊維、ポリイミド（ＰＩ）繊維、ポリスルホンアミド（ＰＳＡ）繊維、ポリエーテルエーテルケトン（ＰＥＥＫ）繊維、ポリエーテルイミド（ＰＥＩ）繊維、ポリアリレート（ＰＡｒ）繊維、メラミン繊維、フェノール繊維、フッ素系繊維、およびポリフェニレンスルフィド（ＰＰＳ）繊維からなる群より選択されるいずれか１種以上を含むことが好ましい。また、布帛がさらに、セルロース繊維、ポリオレフィン繊維、アクリル繊維、レーヨン繊維、コットン繊維、獣毛繊維、ポリウレタン繊維、ポリ塩化ビニル繊維、ポリ塩化ビニリデン繊維、アセテート繊維およびポリカーボネート繊維からなる群より選択されるいずれか１種以上を含むことが好ましい。また、前記メタ型全芳香族ポリアミド繊維において結晶化度が１５〜２５％の範囲内であることが好ましい。また、前記メタ型全芳香族ポリアミド繊維において、メタ型全芳香族ポリアミド繊維を形成するメタ型全芳香族ポリアミドが、下記の式（１）で示される反復構造単位を含む芳香族ポリアミド骨格中に、反復構造の主たる構成単位とは異なる芳香族ジアミン成分、または芳香族ジカルボン酸ハライド成分を、第３成分として芳香族ポリアミドの反復構造単位の全量に対し１〜１０ｍｏｌ％となるように共重合させた芳香族ポリアミドであることが好ましい。
−（ＮＨ−Ａｒ１−ＮＨ−ＣＯ−Ａｒ１−ＣＯ）− ・・・式（１）
ここで、Ａｒ１はメタ配位又は平行軸方向以外に結合基を有する２価の芳香族基である。
その際、第３成分となる芳香族ジアミンが式（２）、（３）、または芳香族ジカルボン酸ハライドが、式（４）、（５）であることが好ましい。
Ｈ２Ｎ−Ａｒ２−ＮＨ２ ・・・式（２）
Ｈ２Ｎ−Ａｒ２−Ｙ−Ａｒ２−ＮＨ２ ・・・式（３）
ＸＯＣ−Ａｒ３−ＣＯＸ ・・・式（４）
ＸＯＣ−Ａｒ３−Ｙ−Ａｒ３−ＣＯＸ ・・・式（５）
ここで、Ａｒ２はＡｒ１とは異なる２価の芳香族基、Ａｒ３はＡｒ１とは異なる２価の芳
香族基、Ｙは酸素原子、硫黄原子、アルキレン基からなる群から選ばれる少なくとも１種の原子又は官能基であり、Ｘはハロゲン原子を表す。
Thus, according to the present invention, “a cloth comprising a meta-type wholly aromatic polyamide fiber and a polyester fiber containing a flame retardant and / or a nylon fiber containing a flame retardant, as defined in JIS L1091-1992 A-4 Law. The flame-retardant fabric is characterized in that the carbonization length is 50 mm or less in the combustibility measurement.
At that time, it is preferable that the carbonization length is 50 mm or less in the flammability measurement defined in the JIS L1091-1992 A-4 method after washing 10 times by the JIS L0217-1995 103 method. In the meta-type wholly aromatic polyamide fiber, the residual solvent amount is preferably 0.1% by mass or less. The meta-type wholly aromatic polyamide fiber preferably further contains an organic dye, an organic pigment, or an inorganic pigment. Moreover, it is preferable that a fabric contains a polyester fiber further. In addition, the fabric further includes para-type wholly aromatic polyamide fiber, wholly aromatic polyester fiber, polybenzoxazole (PBO) fiber, polybenzimidazole (PBI) fiber, polybenzthiazole (PBTZ) fiber, polyimide (PI) fiber, Polysulfonamide (PSA) fiber, polyether ether ketone (PEEK) fiber, polyetherimide (PEI) fiber, polyarylate (PAr) fiber, melamine fiber, phenol fiber, fluorine-based fiber, and polyphenylene sulfide (PPS) fiber It is preferable to include any one or more selected from the group. The fabric is further selected from the group consisting of cellulose fiber, polyolefin fiber, acrylic fiber, rayon fiber, cotton fiber, animal hair fiber, polyurethane fiber, polyvinyl chloride fiber, polyvinylidene chloride fiber, acetate fiber and polycarbonate fiber. It is preferable to include any one or more of them. Further, the meta type wholly aromatic polyamide fiber preferably has a crystallinity of 15 to 25%. In the meta-type wholly aromatic polyamide fiber, the meta-type wholly aromatic polyamide that forms the meta-type wholly aromatic polyamide fiber is in an aromatic polyamide skeleton containing a repeating structural unit represented by the following formula (1). An aromatic diamine component or an aromatic dicarboxylic acid halide component different from the main structural unit of the repeating structure is copolymerized so as to be 1 to 10 mol% based on the total amount of the repeating structural unit of the aromatic polyamide as the third component. Aromatic polyamide is preferred.
-(NH-Ar1-NH-CO-Ar1-CO) -... Formula (1)
Here, Ar1 is a divalent aromatic group having a bonding group other than in the meta-coordinate or parallel axis direction.
In that case, it is preferable that the aromatic diamine as the third component is represented by formulas (2) and (3), or the aromatic dicarboxylic acid halide is represented by formulas (4) and (5).
H2N-Ar2-NH2 Formula (2)
H2N-Ar2-Y-Ar2-NH2 Formula (3)
XOC-Ar3-COX Formula (4)
XOC-Ar3-Y-Ar3-COX Formula (5)
Here, Ar2 is a divalent aromatic group different from Ar1, Ar3 is a divalent aromatic group different from Ar1, Y is at least one atom selected from the group consisting of an oxygen atom, a sulfur atom, and an alkylene group Or it is a functional group and X represents a halogen atom.
本発明の難燃性布帛において、難燃剤を含むポリエステル繊維および／または難燃剤を含むナイロン繊維がカーボンブラックを含む導電糸であることが好ましい。かかる導電糸が芯鞘型複合繊維であることが好ましい。また、布帛の帯電電荷量が７μＣ以下であることが好ましい。また、布帛が紫外線吸収剤および／または反射剤を含むことが好ましい。また、ＪＩＳ Ｌ１０９１−１９９２ Ａ−４法に規定される燃焼性測定において残炎が２．０秒以下であることが好ましい。
また、本発明によれば、前記の難燃性布帛を用いてなり、防護服、消防防火服、消防活動服、救助服、ワークウェア、警察制服、自衛隊衣服、および軍服からなる群より選択されるいずれかの繊維製品が提供される。
In the flame retardant fabric of the present invention, the polyester fiber containing a flame retardant and / or the nylon fiber containing the flame retardant is preferably a conductive yarn containing carbon black. Such conductive yarn is preferably a core-sheath type composite fiber. Moreover, it is preferable that the charge amount of the fabric is 7 μC or less. Moreover, it is preferable that a fabric contains a ultraviolet absorber and / or a reflective agent. Moreover, it is preferable that afterflame is 2.0 second or less in the combustibility measurement prescribed | regulated to JISL1091-1992 A-4 method.
Further, according to the present invention, the flame retardant fabric is used, and selected from the group consisting of protective clothing, fire and fire prevention clothing, fire fighting clothing, rescue clothing, work wear, police uniform, SDF clothing, and military clothing. Any textile product is provided.
本発明によれば、メタ型全芳香族ポリアミド繊維を含み、極めて優れた難燃性を有する難燃性布帛および繊維製品が得られる。 ADVANTAGE OF THE INVENTION According to this invention, the flame retardant fabric and fiber product which contain meta type | mold wholly aromatic polyamide fiber and have the extremely outstanding flame retardance are obtained.
以下、本発明の実施の形態について詳細に説明する。まず、本発明で用いるメタ型全芳香族ポリアミド繊維とは、その繰返し単位の８５モル％以上がｍ−フェニレンイソフタルアミドであるポリマーからなる繊維である。かかるメタ型全芳香族ポリアミドは、１５モル％未満の範囲内で第３成分を含んだ共重合体であっても差しつかえない。
このようなメタ型全芳香族ポリアミドは、従来から公知の界面重合法により製造することができ、そのポリマーの重合度としては、０．５ｇ／１００ｍｌの濃度のＮ−メチル−２−ピロリドン溶液で測定した固有粘度（Ｉ．Ｖ．）が１．３〜１．９ｄｌ／ｇの範囲のものが好ましく用いられる。
Hereinafter, embodiments of the present invention will be described in detail. First, the meta-type wholly aromatic polyamide fiber used in the present invention is a fiber made of a polymer in which 85 mol% or more of the repeating units is m-phenylene isophthalamide. Such a meta-type wholly aromatic polyamide may be a copolymer containing a third component within a range of less than 15 mol%.
Such a meta-type wholly aromatic polyamide can be produced by a conventionally known interfacial polymerization method, and the degree of polymerization of the polymer is an N-methyl-2-pyrrolidone solution having a concentration of 0.5 g / 100 ml. Those having a measured intrinsic viscosity (IV) in the range of 1.3 to 1.9 dl / g are preferably used.
上記メタ型全芳香族ポリアミドにはアルキルベンゼンスルホン酸オニウム塩が含有されていてもよい。アルキルベンゼンスルホン酸オニウム塩としては、ヘキシルベンゼンスルホン酸テトラブチルフォスフォニウム塩、ヘキシルベンゼンスルホン酸トリブチルベンジルフォスフォニウム塩、ドデシルベンゼンスルホン酸テトラフェニルフォスフォニウム塩、ドデシルベンゼンスルホン酸トリブチルテトラデシルフォスフォニウム塩、ドデシルベンゼンスルホン酸テトラブチルフォスフォニウム塩、ドデシルベンゼンスルホン酸トリブチルベンジルアンモニウム塩等の化合物が好ましく例示される。なかでもドデシルベンゼンスルホン酸テトラブチルフォスフォニウム塩、又はドデシルベンゼンスルホン酸トリブチルベンジルアンモニウム塩は、入手しやすく、熱的安定性も良好なうえ、Ｎ−メチル−２−ピロリドンに対する溶解度も高いため特に好ましく例示される。 The meta-type wholly aromatic polyamide may contain an onium salt of alkylbenzene sulfonic acid. Examples of the onium salt of alkylbenzene sulfonate include tetrabutyl phosphonium salt of hexyl benzene sulfonate, tributyl benzyl phosphonium salt of hexyl benzene sulfonate, tetraphenyl phosphonium salt of dodecyl benzene sulfonate, tributyl tetradecyl phosphonate of dodecyl benzene sulfonate. Preferred examples include compounds such as a nium salt, tetrabutylphosphonium salt of dodecylbenzenesulfonate, and tributylbenzylammonium salt of dodecylbenzenesulfonate. Among them, dodecylbenzenesulfonic acid tetrabutylphosphonium salt or dodecylbenzenesulfonic acid tributylbenzylammonium salt is particularly easy to obtain and has good thermal stability and high solubility in N-methyl-2-pyrrolidone. Preferably exemplified.
上記アルキルベンゼンスルホン酸オニウム塩の含有割合は、十分な染色性の改良効果を得るために、ポリ−ｍ−フェニレンイソフタルアミドに対して２．５モル％以上、好ましくは３．０〜７．０モル％の範囲にあるものが好ましい。
また、ポリ−ｍ−フェニレンイソフタルアミドとアルキルベンゼンスルホン酸オニウム塩を混合する方法としては、溶媒中にポリ−ｍ−フェニレンイソフタルアミドを混合、溶解し、それにアルキルベンゼンスルホン酸オニウム塩を溶媒に溶解する方法などが用いられそのいずれを用いてもよい。このようにして得られたドープは、従来から公知の方法により繊維に形成される。
The content ratio of the onium salt of alkylbenzene sulfonate is 2.5 mol% or more, preferably 3.0 to 7.0 mol with respect to poly-m-phenyleneisophthalamide in order to obtain a sufficient dyeing effect. Those in the range of% are preferred.
In addition, as a method of mixing poly-m-phenylene isophthalamide and alkylbenzenesulfonic acid onium salt, a method of mixing and dissolving poly-m-phenyleneisophthalamide in a solvent and dissolving alkylbenzenesulfonic acid onium salt in the solvent. Any of these may be used. The dope thus obtained is formed into fibers by a conventionally known method.
メタ型全芳香族ポリアミド繊維に用いるポリマーは、染着性や耐変褪色性を向上させる等目的で、下記の式（２）で示される反復構造単位を含む芳香族ポリアミド骨格中に、反復構造の主たる構成単位とは異なる芳香族ジアミン成分、または芳香族ジカルボン酸ハライド成分を、第３成分として芳香族ポリアミドの反復構造単位の全量に対し１〜１０ｍｏｌ％となるように共重合させることも可能である。
−（ＮＨ−Ａｒ１−ＮＨ−ＣＯ−Ａｒ１−ＣＯ）− ・・・式（１）
ここで、Ａｒ１はメタ配位又は平行軸方向以外に結合基を有する２価の芳香族基である。
The polymer used for the meta-type wholly aromatic polyamide fiber has a repeating structure in an aromatic polyamide skeleton containing a repeating structural unit represented by the following formula (2) for the purpose of improving dyeability and resistance to discoloration. It is also possible to copolymerize an aromatic diamine component or aromatic dicarboxylic acid halide component different from the main structural unit of 1 to 10 mol% with respect to the total amount of the repeating structural units of the aromatic polyamide as the third component. It is.
-(NH-Ar1-NH-CO-Ar1-CO) -... Formula (1)
Here, Ar1 is a divalent aromatic group having a bonding group other than in the meta-coordinate or parallel axis direction.
また、第３成分として共重合させることも可能であり、式（２）、（３）に示した芳香族ジアミンの具体例としては、例えば、ｐ−フェニレンジアミン、クロロフェニレンジアミン、メチルフェニレンジアミン、アセチルフェニレンジアミン、アミノアニシジン、ベンジジン、ビス（アミノフェニル）エーテル、ビス（アミノフェニル）スルホン、ジアミノベンズアニリド、ジアミノアゾベンゼン等が挙げられる。式（４）、（５）に示すような芳香族ジカルボン酸ジクロライドの具体例としては、例えば、テレフタル酸クロライド、１，４−ナフタレンジカルボン酸クロライド、２，６−ナフタレンジカルボン酸クロライド、４，４’−ビフェニルジカルボン酸クロライド、５−クロルイソフタル酸クロライド、５−メトキシイソフタル酸クロライド、ビス（クロロカルボニルフェニル）エーテルなどが挙げられる。
Ｈ２Ｎ−Ａｒ２−ＮＨ２ ・・・式（２）
Ｈ２Ｎ−Ａｒ２−Ｙ−Ａｒ２−ＮＨ２ ・・・式（３）
ＸＯＣ−Ａｒ３−ＣＯＸ ・・・式（４）
ＸＯＣ−Ａｒ３−Ｙ−Ａｒ３−ＣＯＸ ・・・式（５）
ここで、Ａｒ２はＡｒ１とは異なる２価の芳香族基、Ａｒ３はＡｒ１とは異なる２価の芳香族基、Ｙは酸素原子、硫黄原子、アルキレン基からなる群から選ばれる少なくとも１種の原子又は官能基であり、Ｘはハロゲン原子を表す。
Moreover, it is also possible to copolymerize as the third component. Specific examples of the aromatic diamine represented by the formulas (2) and (3) include, for example, p-phenylenediamine, chlorophenylenediamine, methylphenylenediamine, Examples include acetylphenylenediamine, aminoanisidine, benzidine, bis (aminophenyl) ether, bis (aminophenyl) sulfone, diaminobenzanilide, diaminoazobenzene, and the like. Specific examples of the aromatic dicarboxylic acid dichloride represented by the formulas (4) and (5) include, for example, terephthalic acid chloride, 1,4-naphthalenedicarboxylic acid chloride, 2,6-naphthalenedicarboxylic acid chloride, 4,4 Examples include '-biphenyldicarboxylic acid chloride, 5-chloroisophthalic acid chloride, 5-methoxyisophthalic acid chloride, bis (chlorocarbonylphenyl) ether, and the like.
H 2 N—Ar 2 —NH 2 Formula (2)
H 2 N-Ar2-Y- Ar2-NH 2 ··· formula (3)
XOC-Ar3-COX Formula (4)
XOC-Ar3-Y-Ar3-COX Formula (5)
Here, Ar2 is a divalent aromatic group different from Ar1, Ar3 is a divalent aromatic group different from Ar1, Y is at least one atom selected from the group consisting of an oxygen atom, a sulfur atom, and an alkylene group Or it is a functional group and X represents a halogen atom.
また、メタ型全芳香族ポリアミド繊維の結晶化度は、染料の吸尽性がよく、より少ない染料でまたは染色条件が弱くても狙いの色に調整し易いという点で、５〜３５％であることが好ましい。さらには、染料の表面偏在が起こり難く耐変褪色性も高い点および実用上必要な寸法安定性も確保できる点で１５〜２５％であることがより好ましい。
また、メタ型全芳香族ポリアミド繊維が難燃剤を含んでいてもよい。用いる難燃剤としては特開平１０−２５１９８１号公報に記載されたものや、無機系の金属および担体、金属含有担体の表面を被覆したものなどが例示されるが、優れた難燃性を得る上でリン系難燃剤が好ましい。含有量としては繊維重量対比１〜１５重量％が好ましい。
また、メタ型全芳香族ポリアミド繊維の残存溶媒量は、メタ型全芳香族ポリアミド繊維の優れた難燃性能を損なわない点で、０．１重量％以下（好ましくは０．００１〜０．１重量％）であることが好ましい。
Further, the crystallinity of the meta-type wholly aromatic polyamide fiber is 5 to 35% in that the dye exhaustion is good and it is easy to adjust to the target color even with less dye or weak dyeing conditions. Preferably there is. Further, it is more preferably 15 to 25% in that the surface uneven distribution of the dye hardly occurs, the discoloration resistance is high, and the dimensional stability necessary for practical use can be secured.
Further, the meta type wholly aromatic polyamide fiber may contain a flame retardant. Examples of the flame retardant to be used include those described in JP-A-10-251981, inorganic metals and carriers, and those coated on the surface of metal-containing carriers. A phosphorus flame retardant is preferred. The content is preferably 1 to 15% by weight relative to the fiber weight.
Further, the residual solvent amount of the meta-type wholly aromatic polyamide fiber is 0.1% by weight or less (preferably 0.001 to 0.1) in that the excellent flame retardancy performance of the meta-type wholly aromatic polyamide fiber is not impaired. % By weight).
前記メタ型全芳香族ポリアミド繊維は以下の方法により製造することができ、特に後述する方法により、結晶化度や残存溶媒量を上記範囲とすることができる。
メタ型全芳香族ポリアミドポリマーの重合方法としては、特に限定する必要はなく、例えば特公昭３５−１４３９９号公報、米国特許第３３６０５９５号公報、特公昭４７−１０８６３号公報などに記載された溶液重合法、界面重合法を用いてもよい。
The meta-type wholly aromatic polyamide fiber can be produced by the following method. In particular, the crystallinity and the residual solvent amount can be adjusted to the above ranges by the method described later.
The polymerization method of the meta-type wholly aromatic polyamide polymer is not particularly limited. For example, the solution weight described in Japanese Patent Publication No. 35-14399, US Pat. No. 3,360,595, Japanese Patent Publication No. 47-10863, etc. A combination method or an interfacial polymerization method may be used.
紡糸溶液としては、とくに限定する必要はないが、上記溶液重合や界面重合などで得られた、芳香族コポリアミドポリマーを含むアミド系溶媒溶液を用いても良いし、上記重合溶液から該ポリマーを単離し、これをアミド系溶媒に溶解したものを用いても良い。
ここで用いられるアミド系溶媒としては、Ｎ，Ｎ−ジメチルホルムアミド、Ｎ，Ｎ−ジメチルアセトアミド、Ｎ−メチル−２−ピロリドン、ジメチルスルホキシドなどを例示することができるが、とくにＮ，Ｎ−ジメチルアセトアミドが好ましい。
The spinning solution is not particularly limited, but an amide solvent solution containing an aromatic copolyamide polymer obtained by the above solution polymerization or interfacial polymerization may be used, or the polymer may be removed from the polymerization solution. You may use what was isolated and melt | dissolved in the amide-type solvent.
Examples of the amide solvent used here include N, N-dimethylformamide, N, N-dimethylacetamide, N-methyl-2-pyrrolidone, dimethyl sulfoxide and the like, and in particular, N, N-dimethylacetamide. Is preferred.
上記の通り得られた共重合芳香族ポリアミドポリマー溶液は、さらにアルカリ金属塩又はアルカリ土類金属塩を含むことにより安定化され、より高濃度、低温での使用が可能となり好ましい。好ましくはアルカリ金属塩及びアルカリ土類金属塩がポリマー溶液の全重量に対して１重量％以下、より好ましくは０．１重量％以下である。その際、前記のような難燃剤を含ませてもよい。
紡糸・凝固工程においては、上記で得られた紡糸液（メタ型全芳香族ポリアミド重合体溶液）を凝固液中に紡出して凝固させる。
The copolymerized aromatic polyamide polymer solution obtained as described above is preferably stabilized by containing an alkali metal salt or an alkaline earth metal salt, and can be used at a higher concentration and at a lower temperature. Preferably, the alkali metal salt and alkaline earth metal salt are 1% by weight or less, more preferably 0.1% by weight or less, based on the total weight of the polymer solution. In that case, you may include the above flame retardants.
In the spinning / coagulation step, the spinning solution (meta-type wholly aromatic polyamide polymer solution) obtained above is spun into a coagulating solution and coagulated.
紡糸装置としては特に限定されるものではなく、従来公知の湿式紡糸装置を使用することができる。また、安定して湿式紡糸できるものであれば、紡糸口金の紡糸孔数、配列状態、孔形状等は特に制限する必要はなく、例えば、孔数が１０００〜３００００個、紡糸孔径が０．０５〜０．２ｍｍのスフ用の多ホール紡糸口金等を用いてもよい。
また、紡糸口金から紡出する際の紡糸液（メタ型全芳香族ポリアミド重合体溶液）の温度は、２０〜９０℃の範囲が適当である。
The spinning device is not particularly limited, and a conventionally known wet spinning device can be used. Further, the number of spinning holes, the arrangement state, the hole shape and the like of the spinneret are not particularly limited as long as they can be stably wet-spun. For example, the number of holes is 1,000 to 30,000, and the spinning hole diameter is 0.05. A multi-hole spinneret for ˜0.2 mm sufu may be used.
The temperature of the spinning solution (meta-type wholly aromatic polyamide polymer solution) when spinning from the spinneret is suitably in the range of 20 to 90 ° C.
繊維を得るために用いる凝固浴としては、実質的に無機塩を含まない、アミド系溶媒、好ましくはＮＭＰの濃度が４５〜６０質量％の水溶液を、浴液の温度１０〜５０℃の範囲で用いる。アミド系溶媒（好ましくはＮＭＰ）の濃度が４５質量％未満ではスキンが厚い構造となってしまい、洗浄工程における洗浄効率が低下し、繊維の残存溶媒量を低減させることが困難となる。一方、アミド系溶媒（好ましくはＮＭＰ）の濃度が６０質量％を超える場合には、繊維内部に至るまで均一な凝固を行うことができず、このためやはり、繊維の残存溶媒量を低減させることが困難となる。なお、凝固浴中への繊維の浸漬時間は、０．１〜３０秒の範囲が適当である。 As a coagulation bath used for obtaining fibers, an amide solvent, which is substantially free of inorganic salts, preferably an aqueous solution having a concentration of NMP of 45 to 60% by mass within a temperature range of the bath solution of 10 to 50 ° C. Use. When the concentration of the amide solvent (preferably NMP) is less than 45% by mass, the skin has a thick structure, the cleaning efficiency in the cleaning step is lowered, and it is difficult to reduce the residual solvent amount of the fiber. On the other hand, when the concentration of the amide solvent (preferably NMP) exceeds 60% by mass, uniform coagulation cannot be performed up to the inside of the fiber, and therefore, the residual solvent amount of the fiber can be reduced. It becomes difficult. In addition, the range of 0.1-30 seconds is suitable for the immersion time of the fiber in a coagulation bath.
引続き、アミド系溶媒、好ましくはＮＭＰの濃度が４５〜６０質量％の水溶液であり、浴液の温度を１０〜５０℃の範囲とした可塑延伸浴中にて、３〜４倍の延伸倍率で延伸を行う。延伸後、１０〜３０℃のＮＭＰの濃度が２０〜４０質量％の水溶液、続いて５０〜７０℃の温水浴を通して十分に洗浄を行う。
洗浄後の繊維は、温度２７０〜２９０℃にて乾熱処理を施し、上記の結晶化度および残存溶媒量の範囲を満たすメタ型全芳香族アラミド繊維を得ることができる。
前記メタ型全芳香族アラミド繊維において、繊維は、長繊維（マルチフィラメント）でもよいし短繊維でもよい。特に、他の繊維と混紡する上で繊維長２５〜２００ｍｍの短繊維が好ましい。また、単繊維繊度としては１〜５ｄｔｅｘの範囲が好ましい。
Subsequently, it is an aqueous solution having an amide solvent, preferably an NMP concentration of 45 to 60% by mass, and a stretch ratio of 3 to 4 times in a plastic stretching bath in which the temperature of the bath liquid is in the range of 10 to 50 ° C. Stretching is performed. After stretching, the film is thoroughly washed through an aqueous solution having an NMP concentration of 20 to 40% by mass at 10 to 30 ° C. and then a hot water bath at 50 to 70 ° C.
The washed fibers can be subjected to a dry heat treatment at a temperature of 270 to 290 ° C. to obtain meta-type wholly aromatic aramid fibers that satisfy the above-mentioned ranges of crystallinity and residual solvent amount.
In the meta-type wholly aromatic aramid fiber, the fiber may be a long fiber (multifilament) or a short fiber. In particular, short fibers having a fiber length of 25 to 200 mm are preferable in blending with other fibers. The single fiber fineness is preferably in the range of 1 to 5 dtex.
本発明において、布帛は前記メタ型全芳香族アラミド繊維だけでなく、難燃剤を含むポリエステル繊維および／または難燃剤を含むナイロン繊維も含む。その際、難燃剤を含むポリエステル繊維および／または難燃剤を含むナイロン繊維の合計重量が布帛重量対比１〜１０重量％の範囲内であることが好ましい。
ここで、用いる難燃剤としては特開平１０−２５１９８１号公報に記載されたものや、無機系の金属および担体、金属含有担体の表面を被覆したものなどが例示されるが、優れた難燃性を得る上でリン系難燃剤が好ましい。含有量としては繊維重量対比１〜１５重量％が好ましい。
前記の難燃剤を含むポリエステル繊維および／または難燃剤を含むナイロン繊維がカーボンブラックを含む導電糸であってもよい。その際、かかる導電糸が芯鞘型複合繊維であることが好ましい。
In the present invention, the fabric includes not only the meta-type wholly aromatic aramid fibers but also polyester fibers containing a flame retardant and / or nylon fibers containing a flame retardant. In that case, it is preferable that the total weight of the polyester fiber containing a flame retardant and / or the nylon fiber containing a flame retardant is in the range of 1 to 10% by weight relative to the weight of the fabric.
Here, examples of the flame retardant used include those described in JP-A-10-251981, inorganic metals and carriers, and those coated on the surface of metal-containing carriers. A phosphorus-based flame retardant is preferable in obtaining the above. The content is preferably 1 to 15% by weight relative to the fiber weight.
The polyester fiber containing the flame retardant and / or the nylon fiber containing the flame retardant may be a conductive yarn containing carbon black. In this case, it is preferable that the conductive yarn is a core-sheath type composite fiber.
また、布帛にさらに、パラ型全芳香族ポリアミド繊維、全芳香族ポリエステル繊維、ポリベンズオキサゾール（ＰＢＯ）繊維、ポリベンズイミダゾール（ＰＢＩ）繊維、ポリベンズチアゾール（ＰＢＴＺ）繊維、ポリイミド（ＰＩ）繊維、ポリスルホンアミド（ＰＳＡ）繊維、ポリエーテルエーテルケトン（ＰＥＥＫ）繊維、ポリエーテルイミド（ＰＥＩ）繊維、ポリアリレート（ＰＡｒ）繊維、メラミン繊維、フェノール繊維、フッ素系繊維、ポリフェニレンスルフィド（ＰＰＳ）繊維などの難燃繊維が含まれていることが好ましい。
その際、かかる難燃性繊維において限界酸素指数（ＬＯＩ）が２０以上であることが好ましい。
Further, the fabric further includes para-type wholly aromatic polyamide fiber, wholly aromatic polyester fiber, polybenzoxazole (PBO) fiber, polybenzimidazole (PBI) fiber, polybenzthiazole (PBTZ) fiber, polyimide (PI) fiber, Difficulty such as polysulfonamide (PSA) fiber, polyether ether ketone (PEEK) fiber, polyetherimide (PEI) fiber, polyarylate (PAr) fiber, melamine fiber, phenol fiber, fluorine fiber, polyphenylene sulfide (PPS) fiber It is preferable that a fuel fiber is included.
In that case, it is preferable that this flame-retardant fiber has a limiting oxygen index (LOI) of 20 or more.
また、布帛にさらに、セルロース繊維、ポリオレフィン繊維、アクリル繊維、レーヨン繊維、コットン繊維、獣毛繊維、ポリウレタン繊維、ポリ塩化ビニル繊維、ポリ塩化ビニリデン繊維、アセテート繊維、ポリカーボネート繊維などが含まれていると、吸水性、染色性、着用快適性などが付加され好ましい。
ここで、これらの繊維は混紡されていることが好ましい。その際、メタ型全芳香族ポリアミド繊維の優れた耐熱性と難燃性を発揮させるために、まずメタ型全芳香族ポリアミド繊維が５０質量％以上であることが好ましい。より具体的な例としては、メタ型全芳香族ポリアミド繊維が５０〜９８質量％、ポリエステル繊維が２〜２０質量％、セルロース系質量繊維が０〜５０％の混率として染色性と快適性を併せ持つようにすることもできる。また、布帛を構成する繊維に、難燃剤、紫外線吸収剤、反射剤などを含ませてもよい。
Further, when the fabric further contains cellulose fiber, polyolefin fiber, acrylic fiber, rayon fiber, cotton fiber, animal hair fiber, polyurethane fiber, polyvinyl chloride fiber, polyvinylidene chloride fiber, acetate fiber, polycarbonate fiber, etc. Water absorbency, dyeability, wearing comfort and the like are preferably added.
Here, these fibers are preferably blended. At that time, in order to exhibit the excellent heat resistance and flame retardancy of the meta-type wholly aromatic polyamide fiber, it is preferable that the meta-type wholly aromatic polyamide fiber is 50% by mass or more. As a more specific example, the meta-type wholly aromatic polyamide fiber is 50 to 98% by mass, the polyester fiber is 2 to 20% by mass, and the cellulosic mass fiber is 0 to 50% and has both dyeability and comfort. It can also be done. Moreover, you may include a flame retardant, a ultraviolet absorber, a reflective agent, etc. in the fiber which comprises a fabric.
本発明において、布帛の製造方法は特に限定するものではなく、公知のいかなる方法でも用いる可能である。例えば、上記繊維の紡績糸を混綿して紡績糸を得た後、単糸または双糸にてレピア織機などを用いて、綾織、平織などの組織に製織することが好ましい。
本発明において、ＪＩＳ Ｌ１０９１−１９９２ Ａ−４法に規定する布帛の炭化長が５０ｍｍ以下（好ましくは２０〜５０ｍｍ）であることが肝要である。また、ＪＩＳ Ｌ０２１７−１９９５、１０３法により１０回（より好ましくは２０回、特に好ましくは５０回）の洗濯を行った後において、ＪＩＳ Ｌ１０９１−１９９２ Ａ−４法で規定する布帛の炭化長が５０ｍｍ以下（好ましくは２０〜５０ｍｍ）であることが好ましい。また、布帛の帯電電荷量が７μＣ以下であることが好ましい。
ここで、難燃性としては、ＪＩＳ Ｌ１０９１−１９９２ Ａ−４法に規定される燃焼性測定において残炎が２．０秒以下、残ジンが２．０秒以下であることが好ましい。
In the present invention, the method for producing the fabric is not particularly limited, and any known method can be used. For example, it is preferable that a spun yarn is obtained by blending the spun yarns of the above fibers and then woven into a structure such as a twill or plain weave using a rapier loom or the like with a single yarn or a twin yarn.
In the present invention, it is important that the carbonization length of the fabric specified in the JIS L1091-1992 A-4 method is 50 mm or less (preferably 20 to 50 mm). Further, after washing 10 times (more preferably 20 times, particularly preferably 50 times) according to JIS L0217-1995, 103 method, the carbonization length of the fabric specified by JIS L1091-1992 A-4 method is 50 mm. The following (preferably 20 to 50 mm) is preferable. Moreover, it is preferable that the charge amount of the fabric is 7 μC or less.
Here, as flame retardancy, it is preferable that the afterflame is 2.0 seconds or less and the residual gin is 2.0 seconds or less in the flammability measurement prescribed in the JIS L1091-1992 A-4 method.
次に、本発明の繊維製品は前記の布帛を用いてなる、防護服、消防防火服、消防活動服、救助服、ワークウェア、警察制服、自衛隊衣服、および軍服からなる群より選択されるいずれかの繊維製品である。かかる繊維製品は前記の布帛を用いているので、極めて優れた難燃性および洗濯耐久性を有する。 Next, the textile product of the present invention is any one selected from the group consisting of protective clothing, fire fighting clothing, fire fighting clothing, rescue clothing, work wear, police uniforms, self-defense clothing, and military clothing using the above-mentioned fabric. This is a textile product. Since such a textile product uses the above-mentioned fabric, it has extremely excellent flame retardancy and washing durability.
以下、実施例をあげて本発明を詳細に説明するが、本発明はこれらによって何ら限定されるものではない。なお、実施例中の各物性は下記の方法により測定したものである。 EXAMPLES Hereinafter, although an Example is given and this invention is demonstrated in detail, this invention is not limited at all by these. In addition, each physical property in an Example is measured with the following method.
（１）布帛の難燃性（垂直燃焼試験）
ＪＩＳ Ｌ１０９１−１９９２ Ａ−４法により残炎時間、残ジン時間、炭化長を測定した。
(1) Flame retardancy of fabric (vertical combustion test)
Residual flame time, residual gin time, and carbonization length were measured by JIS L1091-1992 A-4 method.
（２）残存溶媒量
原繊維を約８．０ｇ採取し、１０５℃で１２０分間乾燥させた後にデシケーター内で放冷し、繊維質量（Ｍ１）を秤量した。続いて、この繊維について、メタノール中で１．５時間、ソックスレー抽出器を用いて還流抽出を行い、繊維中に含まれるアミド系溶媒の抽出を行った。抽出を終えた繊維を取り出して、１５０℃で６０分間真空乾燥させた後にデシケーター内で放冷し、繊維質量（Ｍ２）を秤量した。繊維中に残存する溶媒量（アミド系溶媒質量）は、得られるＭ１およびＭ２を用いて、下記式により算出した。
残存溶媒量（％）＝［（Ｍ１−Ｍ２）／Ｍ１］×１００
(2) Residual solvent amount About 8.0 g of fibrils were collected, dried at 105 ° C. for 120 minutes, allowed to cool in a desiccator, and the fiber mass (M1) was weighed. Subsequently, the fiber was subjected to reflux extraction using a Soxhlet extractor in methanol for 1.5 hours to extract an amide solvent contained in the fiber. The fiber after extraction was taken out, vacuum-dried at 150 ° C. for 60 minutes, allowed to cool in a desiccator, and the fiber mass (M2) was weighed. The amount of solvent remaining in the fiber (amide solvent mass) was calculated by the following formula using the obtained M1 and M2.
Residual solvent amount (%) = [(M1-M2) / M1] × 100
（３）結晶化度
Ｘ線回折測定装置（リガク社製 ＲＩＮＴ ＴＴＲIII）を用い、原繊維を約１ｍｍ径の繊維束に引きそろえて繊維試料台に装着して回折プロファイルを測定した。測定条件は、Ｃｕ−Ｋα線源（５０ｋＶ、３００ｍＡ）、走査角度範囲１０〜３５°、連続測定０．１°幅計測、１°／分走査でおこなった。実測した回折プロファイルから空気散乱、非干渉性散乱を直線近似で補正して全散乱プロファイルを得た。次に、全散乱プロファイルから非晶質散乱プロファイルを差し引いて結晶散乱プロファイルを得た。結晶化度は、結晶散乱プロファイルの面積強度（結晶散乱強度）と全散乱プロファイルの面積強度（全散乱強度）から、次式により求めた。
結晶化度（％）＝［結晶散乱強度／全散乱強度］×１００
(3) Crystallinity Using an X-ray diffractometer (RINT TTRIII, manufactured by Rigaku Corporation), the fibrils were aligned on a fiber bundle having a diameter of about 1 mm and mounted on a fiber sample table to measure a diffraction profile. The measurement conditions were Cu-Kα radiation source (50 kV, 300 mA), scanning angle range of 10 to 35 °, continuous measurement 0.1 ° width measurement, 1 ° / min scanning. From the measured diffraction profile, air scattering and incoherent scattering were corrected by linear approximation to obtain a total scattering profile. Next, a crystal scattering profile was obtained by subtracting the amorphous scattering profile from the total scattering profile. The degree of crystallinity was determined by the following equation from the area intensity of the crystal scattering profile (crystal scattering intensity) and the area intensity of the total scattering profile (total scattering intensity).
Crystallinity (%) = [crystal scattering intensity / total scattering intensity] × 100
（４）布帛目付
ＪＩＳ Ｌ １０９６により測定した。
(4) Fabric basis weight Measured according to JIS L 1096.
（５）洗濯
ＪＩＳ Ｌ０２１７−１９９５、１０３法により行った。
(5) Washing It was carried out according to JIS L0217-1995, 103 method.
［メタ型全芳香族アラミド繊維の製造］
メタ型全芳香族アラミド繊維は、次の方法で作製した。
特公昭４７−１０８６３号公報記載の方法に準じた界面重合法により製造した、固有粘度（Ｉ．Ｖ．）が１．９のポリメタフェニレンイソフタルアミド粉末２０．０質量部を、−１０℃に冷却したＮ−メチル−２−ピロリドン（ＮＭＰ）８０．０質量部中に懸濁させ、スラリー状にした。引き続き、懸濁液を６０℃まで昇温して溶解させ、透明なポリマー溶液を得た。該ポリマー溶液に、ポリマー対比３．０質量％の２−［２Ｈ−ベンゾトリアゾール−２−イル］−４−６−ビス（１−メチル−１−フェニルエチル）フェノール粉末（水への溶解度：０．０１ｍｇ／Ｌ）を混合溶解させ、減圧脱法して紡糸液（紡糸ドープ）とした。
[Production of meta-type wholly aromatic aramid fibers]
The meta-type wholly aromatic aramid fiber was produced by the following method.
20.0 parts by mass of polymetaphenylene isophthalamide powder having an intrinsic viscosity (IV) of 1.9 produced by an interfacial polymerization method in accordance with the method described in Japanese Patent Publication No. 47-10863 is placed at −10 ° C. It was suspended in 80.0 parts by mass of cooled N-methyl-2-pyrrolidone (NMP) to form a slurry. Subsequently, the suspension was heated to 60 ° C. and dissolved to obtain a transparent polymer solution. To the polymer solution, 3.0% by mass of 2- [2H-benzotriazol-2-yl] -4-6-bis (1-methyl-1-phenylethyl) phenol powder (solubility in water: 0) .01 mg / L) was mixed and dissolved, and depressurized under reduced pressure to obtain a spinning solution (spinning dope).
［紡糸・凝固工程］
上記紡糸ドープを、孔径０．０７ｍｍ、孔数５００の紡糸口金から、浴温度３０℃の凝固浴中に吐出して紡糸した。凝固液の組成は、水／ＮＭＰ＝４５／５５（質量部）であり、凝固浴中に糸速７ｍ／分で吐出して紡糸した。
[Spinning and coagulation process]
The spinning dope was spun from a spinning nozzle having a hole diameter of 0.07 mm and a hole number of 500 into a coagulation bath having a bath temperature of 30 ° C. The composition of the coagulation liquid was water / NMP = 45/55 (parts by mass), and was spun by discharging into the coagulation bath at a yarn speed of 7 m / min.
［可塑延伸浴延伸工程］
引き続き、温度４０℃の水／ＮＭＰ＝４５／５５の組成の可塑延伸浴中にて、３．７倍の延伸倍率で延伸を行った。
[Plastic stretching bath stretching process]
Subsequently, the film was stretched at a stretching ratio of 3.7 times in a plastic stretching bath having a composition of water / NMP = 45/55 at a temperature of 40 ° C.
［洗浄工程］
延伸後、２０℃の水／ＮＭＰ＝７０／３０の浴（浸漬長１．８ｍ）、続いて２０℃の水浴（浸漬長３．６ｍ）で洗浄し、さらに６０℃の温水浴（浸漬長５．４ｍ）に通して十分に洗浄を行った。
[Washing process]
After stretching, the film was washed with a 20 ° C. water / NMP = 70/30 bath (immersion length 1.8 m), followed by a 20 ° C. water bath (immersion length 3.6 m), and then a 60 ° C. hot water bath (immersion length 5). 4m) and thoroughly washed.
［乾熱処理工程］
洗浄後の繊維について、表面温度２８０℃の熱ローラーにて乾熱処理を施し、メタ型全芳香族アラミド繊維を得た。
[Dry heat treatment process]
The washed fiber was subjected to a dry heat treatment with a heat roller having a surface temperature of 280 ° C. to obtain a meta-type wholly aromatic aramid fiber.
［原繊維の物性］
得られたメタ型全芳香族アラミド繊維の物性は、繊度１．７ｄｔｅｘ、残存溶媒量０．０８質量％、結晶化度は１９％であった。得られた原繊維を用いて、捲縮加工、カットを行い、長さ５１ｍｍのステープルファイバー（原綿）を得た。
その他の繊維原綿は下記の物を用いた。
ポリエステル繊維；帝人ファイバー製ポリエチレンテレフタレート繊維
難燃レーヨン繊維；レンチング社製「ＬｅｎｚｉｎｇＦＲ（登録商標）」
パラ型全芳香族ポリアミド繊維；テイジンアラミド社製「トワロン（登録商標）」
導電糸（ナイロン）：ソルシア社製「ＮＯ ＳＨＯＣＫ（登録商標）」
（導電性カーボン微粒子を練り込みナイロン導電糸）
[Physical properties of fibrils]
The physical properties of the obtained meta-type wholly aromatic aramid fiber were a fineness of 1.7 dtex, a residual solvent amount of 0.08% by mass, and a crystallinity of 19%. The obtained fiber was crimped and cut to obtain a staple fiber (raw cotton) having a length of 51 mm.
The following thing was used for the other fiber raw cotton.
Polyester fiber; Teijin fiber polyethylene terephthalate fiber Flame-retardant rayon fiber; Lenzing's "LenzingFR (registered trademark)"
Para-type wholly aromatic polyamide fiber; "Twaron (registered trademark)" manufactured by Teijin Aramid
Conductive yarn (nylon): “NO SHOCK (registered trademark)” manufactured by Solcia
(Nylon conductive yarn kneaded with conductive carbon fine particles)
［後加工］
毛焼、精練、ファイナルセットにて後加工を行った。
[Post-processing]
Post-processing was performed with hair-burning, scouring, and final set.
［実施例１］
メタ型全芳香族アラミド繊維（ＭＡ）（長さ５１ｍｍ）、パラ型全芳香族ポリアミド繊維（ＰＡ）（長さ５１ｍｍ）、リン系難燃剤を含むポリエステル繊維（ＦＲＰＥＴ）（長さ５１ｍｍ）、導電糸（ＡＳ）（長さ５１ｍｍ）の各ステープルファイバーを、ＭＡ／ＰＡ／ＦＲＰＥＴ／ＡＳ＝９１／５／２／２の比率で混紡した紡績糸４０番手／双糸とし、織密度 経７０本／２５．４ｍｍ、緯５６本／２５．４ｍｍで製織し、目付け１５０ｇ／ｍ２の平織物を得た。これを用いて、上記の方法で加工した。結果を表１に示す。布帛の帯電電荷量は７μＣ以下であった。
[Example 1]
Meta-type wholly aromatic aramid fiber (MA) (length: 51 mm), para-type wholly aromatic polyamide fiber (PA) (length: 51 mm), polyester fiber containing phosphorus flame retardant (FRPET) (length: 51 mm), conductive Each staple fiber of yarn (AS) (length: 51 mm) is 40 yarns / twist yarn obtained by blending at a ratio of MA / PA / FRPET / AS = 91/5/2/2, and has a weaving density of 70 / Weaving was performed at 25.4 mm and weft 56 / 25.4 mm to obtain a plain woven fabric having a basis weight of 150 g / m 2 . Using this, it processed by said method. The results are shown in Table 1. The charged charge amount of the fabric was 7 μC or less.
［実施例２、３］
紡績糸を、メタ型全芳香族ポリアミド繊維（ＭＡ）、パラ型全芳香族ポリアミド繊維（ＰＡ）、リン系難燃剤を含むポリエステル繊維（ＦＲＰＥＴ）を表１の混率で混紡した紡績糸に変更した以外は、実施例１と同様の操作を行った。結果を表１に示す。
[Examples 2 and 3]
The spun yarn was changed to a spun yarn in which a meta-type wholly aromatic polyamide fiber (MA), para-type wholly aromatic polyamide fiber (PA), and a polyester fiber containing a phosphorus-based flame retardant (FRPET) were blended at the blending ratio shown in Table 1. Except for this, the same operation as in Example 1 was performed. The results are shown in Table 1.
［実施例４］
紡績糸を、メタ型全芳香族ポリアミド繊維（ＭＡ）、パラ型全芳香族ポリアミド繊維（ＰＡ）、難燃剤を含まないポリエステル繊維（ＰＥ）、リン系難燃剤を含むポリエステル繊維（ＦＲＰＥＴ）を表１の混率で混紡した紡績糸に変更した以外は、実施例１と同様の操作を行った。結果を表１に示す。
[Example 4]
The spun yarn represents meta-type wholly aromatic polyamide fiber (MA), para-type wholly aromatic polyamide fiber (PA), polyester fiber not containing flame retardant (PE), and polyester fiber containing phosphorus flame retardant (FRPET). The same operation as in Example 1 was performed except that the spun yarn was blended at a blending ratio of 1. The results are shown in Table 1.
［実施例５］
紡績糸を、メタ型全芳香族ポリアミド繊維（ＭＡ）、パラ型全芳香族ポリアミド繊維（ＰＡ）、難燃メタ型全芳香族ポリアミド繊維（ＰＭＡ）、難燃レーヨン繊維（ＲＹ）を表１の混率で混紡した紡績糸に変更した以外は、実施例１と同様の操作を行った。結果を表１に示す。
[Example 5]
Table 1 shows the spun yarn as meta-type wholly aromatic polyamide fiber (MA), para-type wholly aromatic polyamide fiber (PA), flame-retardant meta-type wholly aromatic polyamide fiber (PMA), and flame-retardant rayon fiber (RY). The same operation as in Example 1 was performed except that the spun yarn was blended at a blend ratio. The results are shown in Table 1.
［実施例６〜１０］
布帛を洗濯５０回した以外は、実施例１〜５と同様の操作を行った。結果を表１に示す。
[Examples 6 to 10]
The same operation as in Examples 1 to 5 was performed except that the fabric was washed 50 times. The results are shown in Table 1.
［比較例１〜５］
表１の素材混率とすること以外は、実施例１と同様の操作を行った。結果を表１に示す。
[Comparative Examples 1-5]
The same operation as in Example 1 was performed except that the material mixing ratio shown in Table 1 was used. The results are shown in Table 1.
本発明によれば、メタ型全芳香族ポリアミド繊維を含み、極めて優れた難燃性を有する難燃性布帛および繊維製品が提供され、その工業的価値は極めて大である。 ADVANTAGE OF THE INVENTION According to this invention, the flame retardant fabric and fiber product which have a meta type wholly aromatic polyamide fiber and have the very outstanding flame retardance are provided, The industrial value is very large.
Claims (17)
−（ＮＨ−Ａｒ１−ＮＨ−ＣＯ−Ａｒ１−ＣＯ）− ・・・式（１）
ここで、Ａｒ１はメタ配位又は平行軸方向以外に結合基を有する２価の芳香族基である。 In the meta-type wholly aromatic polyamide fiber, the meta-type wholly aromatic polyamide forming the meta-type wholly aromatic polyamide fiber is repeated in the aromatic polyamide skeleton including the repeating structural unit represented by the following formula (1). Aroma obtained by copolymerizing an aromatic diamine component or an aromatic dicarboxylic acid halide component different from the main structural unit of the structure so as to be 1 to 10 mol% based on the total amount of the repeating structural units of the aromatic polyamide as the third component The flame-retardant fabric according to any one of claims 1 to 8, which is a group polyamide.
-(NH-Ar1-NH-CO-Ar1-CO) -... Formula (1)
Here, Ar1 is a divalent aromatic group having a bonding group other than in the meta-coordinate or parallel axis direction.
Ｈ２Ｎ−Ａｒ２−ＮＨ２ ・・・式（２）
Ｈ２Ｎ−Ａｒ２−Ｙ−Ａｒ２−ＮＨ２ ・・・式（３）
ＸＯＣ−Ａｒ３−ＣＯＸ ・・・式（４）
ＸＯＣ−Ａｒ３−Ｙ−Ａｒ３−ＣＯＸ ・・・式（５）
ここで、Ａｒ２はＡｒ１とは異なる２価の芳香族基、Ａｒ３はＡｒ１とは異なる２価の芳
香族基、Ｙは酸素原子、硫黄原子、アルキレン基からなる群から選ばれる少なくとも１種の原子又は官能基であり、Ｘはハロゲン原子を表す。 The flame-retardant fabric according to claim 10, wherein the aromatic diamine as the third component is represented by formulas (2) and (3), or the aromatic dicarboxylic acid halide is represented by formulas (4) and (5).
H 2 N—Ar 2 —NH 2 Formula (2)
H 2 N-Ar2-Y- Ar2-NH 2 ··· formula (3)
XOC-Ar3-COX Formula (4)
XOC-Ar3-Y-Ar3-COX Formula (5)
Here, Ar2 is a divalent aromatic group different from Ar1, Ar3 is a divalent aromatic group different from Ar1, Y is at least one atom selected from the group consisting of an oxygen atom, a sulfur atom, and an alkylene group Or it is a functional group and X represents a halogen atom.
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