CN115195223A - Pure cashmere flocculus fabric, preparation method thereof and garment - Google Patents
Pure cashmere flocculus fabric, preparation method thereof and garment Download PDFInfo
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- CN115195223A CN115195223A CN202210851375.3A CN202210851375A CN115195223A CN 115195223 A CN115195223 A CN 115195223A CN 202210851375 A CN202210851375 A CN 202210851375A CN 115195223 A CN115195223 A CN 115195223A
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Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
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- A—HUMAN NECESSITIES
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- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D1/00—Garments
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D31/00—Materials specially adapted for outerwear
- A41D31/02—Layered materials
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D31/00—Materials specially adapted for outerwear
- A41D31/04—Materials specially adapted for outerwear characterised by special function or use
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D31/00—Materials specially adapted for outerwear
- A41D31/04—Materials specially adapted for outerwear characterised by special function or use
- A41D31/14—Air permeable, i.e. capable of being penetrated by gases
- A41D31/145—Air permeable, i.e. capable of being penetrated by gases using layered materials
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D31/00—Materials specially adapted for outerwear
- A41D31/04—Materials specially adapted for outerwear characterised by special function or use
- A41D31/26—Electrically protective, e.g. preventing static electricity or electric shock
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D31/00—Materials specially adapted for outerwear
- A41D31/04—Materials specially adapted for outerwear characterised by special function or use
- A41D31/30—Antimicrobial, e.g. antibacterial
- A41D31/305—Antimicrobial, e.g. antibacterial using layered materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01C—CHEMICAL OR BIOLOGICAL TREATMENT OF NATURAL FILAMENTARY OR FIBROUS MATERIAL TO OBTAIN FILAMENTS OR FIBRES FOR SPINNING; CARBONISING RAGS TO RECOVER ANIMAL FIBRES
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4266—Natural fibres not provided for in group D04H1/425
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
- D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/08—Animal fibres, e.g. hair, wool, silk
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Animal Husbandry (AREA)
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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Molecular Biology (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Abstract
The invention relates to the technical field of textiles, and discloses a pure cashmere flocculus fabric, a preparation method thereof and clothes. The preparation method of the cashmere flocculus fabric comprises the following steps: treating cashmere with medicinal agent at 75-80 deg.C to make cashmere fiber have shrink-proof and insect-proof functions to obtain shrink-proof and insect-proof cashmere, wherein the length of cashmere fiber is not less than 19mm; tightly placing the shrink-proof insect-proof cashmere in soft water for 8-12h to eliminate static electricity to obtain functional cashmere; preparing functional cashmere into a cashmere wadding layer; the upper layer and the lower layer are polylactic acid lining cloth, the middle layer is a cashmere flocculus layer, and the polylactic acid lining cloth and the cashmere flocculus layer are solidified by feeding a setting machine through hot air at the temperature of 110-130 ℃ to obtain the cashmere flocculus fabric. The pure cashmere flocculus fabric is prepared by the preparation method. The garment is made of the pure cashmere flocculus fabric. The application provides a pure cashmere flocculus surface fabric, its comfort level is high.
Description
Technical Field
The invention relates to the technical field of textiles, in particular to a pure cashmere flocculus fabric, a preparation method thereof and clothes.
Background
The cashmere is a scarce animal fiber, has good heat preservation performance and soft and smooth hand feeling, and is deeply loved by consumers. Because the cashmere fiber yield is low and the fiber value is high, cashmere products on the market mainly comprise high-grade cashmere knitwear, cashmere scarf shawl and cashmere overcoat; as a filler or a thermal insulating flocculus, the application in the market is less at present.
The flocculus refers to a small slice of flocculent precipitate, and also refers to a flake cotton-like substance made of plant fiber, animal fiber or chemical fiber for keeping warm, insulating heat or preventing shock.
The wadding is flake, loose filler, and lining must be added during garment making, and quilting is performed. The main varieties comprise cotton, silk floss, wool, camel hair, down feather, chemical fiber and the like, and are used for heat preservation and heat insulation.
Cashmere flocculus is a high-grade new product derived from conventional flocculus materials in recent years. The production technical route is shown in figure 1:
preparing materials: the functional fiber, the low-melting-point fiber and the cashmere fiber are mixed in proportion, and the aims of eliminating the felting effect of the cashmere fiber and increasing the fluffiness and the structural stability of the flocculus are achieved through the intervention of the functional fiber.
Mixing materials: the function of the cashmere fiber is to fully and uniformly mix the cashmere fiber with other fibers.
Carding: the sheet-like or block-like fibers are formed into a net structure by carding.
Lapping: and paving the fiber sheets with the net-shaped structure into a stable net-shaped structure meeting the requirement of composite weight.
And (3) needling: the function of the method is to ensure that the fiber is combined more tightly and the air permeability of the flocculus is increased to a certain extent through longitudinal needling.
Fusing and bonding: under the action of a certain temperature, the low-melting-point fibers in the flocculus are melted and other fibers are bonded together, so that the structure of the flocculus is more stable.
Winding: and coiling according to the required weight or meter.
The patent document CN109183272 discloses a cashmere flocculus preparation method, which comprises the following steps: the manufacturing method comprises the steps of enabling 85% of camel hair (cashmere), 8% of low-melting-point fiber, 4% of three-dimensional hollow fiber, 1.5% of antistatic fiber and 1.5% of antibacterial and deodorant fiber to pass through a carding machine to be manufactured into flocculus with the surface layer and the bottom layer made of low-melting-point fiber, the middle layer made of camel hair (cashmere) and other fibers, and enabling the low-melting-point fiber and the plush fiber to be welded through a needling process and high-temperature shaping to finish manufacturing of finished flocculus.
The technical disadvantages of this patent are as follows:
2.1 compounding, the cashmere flocculus disclosed in patent document CN109183272 is a blended product of cashmere and other fibers, not a 100% cashmere product. For consumers, the pure cashmere products and the cashmere blended products are two grades of products, and have larger difference in price.
2.2 in terms of using the main raw material, the main raw material disclosed in patent document CN109183272 is camel hair or cashmere, but no specific standard requirements are provided for the indexes of the raw material. There may be problems with some specifications of the material that cannot be carded into web or with very high standards of material that, although produced, is too costly. For cashmere, which is a rare raw material with high value, to produce flocculus products, the use standard of the raw material needs to be determined, so that the cashmere is more favorable for efficient and sustainable utilization of cashmere resources.
2.3 use of auxiliary materials, the auxiliary materials disclosed in patent document CN109183272 is 8% low melting point fiber, 4% three-dimensional hollow fiber, 1.5% antistatic fiber, 1.5% antibacterial deodorizing fiber, the fibers are added for welding, increasing filling power, antistatic and antibacterial functions, but if the mixture is not uniform, the problem of function failure of some parts of the flocculus occurs.
2.4 in the aspect of production process, the fusion bonding process fuses the low-melting-point fiber and the camel hair (cashmere) fiber. The process can make the product rigid and sacrifice the most excellent hand feeling advantage of the cashmere.
In view of this, the invention is particularly proposed.
Disclosure of Invention
The invention aims to provide a pure cashmere flocculus fabric, a preparation method thereof and clothes.
The invention is realized by the following steps:
in a first aspect, the invention provides a preparation method of a pure cashmere flocculus fabric, which comprises the following steps:
treating cashmere with medicinal agent at 75-80 deg.C to make cashmere fiber have shrink-proof and insect-proof functions to obtain shrink-proof and insect-proof cashmere with fiber length of 19mm or more;
tightly placing the shrink-proof insect-proof cashmere in soft water for 8-12h to eliminate static electricity to obtain functional cashmere;
preparing functional cashmere into a cashmere wadding layer;
the upper layer and the lower layer are polylactic acid lining cloth, the middle layer is a cashmere flocculus layer, and the polylactic acid lining cloth and the cashmere flocculus layer are solidified by feeding a setting machine through hot air at the temperature of 110-130 ℃ to obtain the cashmere flocculus fabric.
In an alternative embodiment, the cashmere fibers treated with the chemical agent have shrink-proof and insect-proof functions in the following ways:
processing the cashmere without peculiar smell in a solution containing 0.3-0.5% of insect-proof auxiliary agent and 0.1-0.2% of glacial acetic acid at the temperature of 75-80 ℃ for 15-20 minutes, and dehydrating and cleaning to obtain the shrink-proof insect-proof cashmere;
preferably, the insect-proofing aid is a JF86 insect-proofing aid;
preferably, the water is washed for 8 to 10min by normal temperature water after dehydration.
In an optional embodiment, before the chemical treatment, the method further comprises a cleaning treatment of the cashmere, wherein the cleaning treatment is performed by:
placing cashmere in 55-60 deg.C water, treating with neutral lotion for 25-30min, and cleaning at 75-80 deg.C for 8-10min.
In an alternative embodiment, the functional cashmere wool is made into a cashmere wool batt layer by:
preparing functional cashmere into 9-10g/m 2 The cashmere wool net of (1);
making cashmere wool net into 90-100g/m under the action of lapping machine 2 The cashmere flocculus layer;
the cashmere flocculus layer is treated by a needle machine to be fluffy and compact in structure.
In an optional embodiment, the machine for making the functional cashmere into the cashmere woolen net is a WL-GP-B-800 type carding machine, and the feeding amount is as follows: 350-400g/min, cylinder speed: 850-900m/min, doffer speed: 9-9.5m/min.
In an alternative embodiment, the model of the lapper is WL-GZ-A-800, the upper curtain speed: 7.3-7.5g/min; lower curtain speed: 7.3-7.5g/min; web-forming curtain speed: 0.75-0.78m/min.
In an alternative embodiment, the needling machine is a model WL-GZ-B-800 pre-needling machine, the needling depth is as follows: 8-10mm; needling density: 30-33 thorn/cm 2 (ii) a Needling frequency: 210-225 thorn/min.
In an alternative embodiment, the average fiber fineness of the cashmere is less than or equal to 16.5 μm, wherein the content of coarse wool is less than or equal to 2%, and the coarse wool refers to fibers with fineness of more than or equal to 25 μm.
Preferably, the cashmere has a fiber length of 19 to 24mm.
In a second aspect, the invention provides a pure cashmere flocculus fabric, which is prepared by the preparation method according to any one of the preceding embodiments.
In a third aspect, the present invention provides a garment made of the pure cashmere flocculus fabric of the previous embodiment.
The invention has the following beneficial effects:
compared with the mode of adding functional fibers (such as antistatic fibers and antibacterial fibers) into the cashmere flocculus, the preparation method of the pure cashmere flocculus fabric can better ensure the cashmere purity of the cashmere flocculus, does not have the problem of function loss of certain parts caused by uneven mixing in the manufacturing process, and can obviously improve the grade and comfort of the fabric; in the preparation process, compared with the tight placement in oil and water, the tight placement in soft water for a proper time is adopted, and after the fabric is prepared, after-finishing for removing oil is not needed; the polylactic acid lining cloth has the high-quality characteristics of soft hand feeling, good air permeability, long-acting bacteriostasis, degradability and the like, and the polylactic acid lining cloth is adopted as the consolidation lining cloth to be matched with cashmere to prepare the flocculus fabric with good air permeability.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a flow chart of a preparation process of a cashmere flocculus fabric in the prior art;
fig. 2 is a schematic structural diagram of a pure cashmere batt fabric provided in an embodiment of the present application;
fig. 3 is a schematic diagram of a shaping process in a manufacturing process of a pure cashmere flocculus fabric provided in an embodiment of the present application.
Icon: 1-polylactic acid lining cloth; 2-a layer of pure goat flock; 3-polylactic acid lining cloth.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below. The examples, in which specific conditions are not specified, were conducted under conventional conditions or conditions recommended by the manufacturer. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products available commercially.
The pure cashmere flocculus fabric, the preparation method thereof and the garment provided by the embodiment of the application are specifically described below.
The preparation method of the pure cashmere flocculus fabric provided by the embodiment of the application comprises the following steps:
treating cashmere with medicinal agent at 75-80 deg.C to make cashmere fiber have shrink-proof and insect-proof functions to obtain shrink-proof and insect-proof cashmere, wherein the length of cashmere fiber is not less than 19mm;
tightly placing the shrink-proof insect-proof cashmere in soft water for 8-12h to eliminate static electricity to obtain functional cashmere;
preparing functional cashmere into a cashmere wadding layer;
the upper layer and the lower layer are polylactic acid lining cloth, the middle layer is a cashmere flocculus layer, and the polylactic acid lining cloth and the cashmere flocculus layer are solidified by feeding a setting machine through hot air at the temperature of 110-130 ℃ to obtain the cashmere flocculus fabric.
According to the preparation method, the cashmere is subjected to chemical treatment at the temperature of 75-80 ℃, internal stress of the cashmere is fully released at the high temperature due to the high temperature, fibers have a certain shrink-proof function, the cashmere is subjected to chemical treatment so as to have an insect prevention function, the cashmere is placed in soft water to be subjected to closed release for eliminating static electricity, so that the functional treatment of the cashmere is completed, and the functionally treated pure cashmere is made into the cashmere flocculus fabric. Compared with the mode of adding functional fibers (such as antistatic fibers and antibacterial fibers) into the cashmere flocculus, the preparation method of the pure cashmere flocculus fabric can better ensure the cashmere purity of the cashmere flocculus, does not have the problem of function loss of certain parts caused by uneven mixing in the manufacturing process, and can obviously improve the grade and comfort of the fabric; in the preparation process, compared with the tight placement in oil and water, the tight placement in soft water for a proper time is adopted, and after the fabric is prepared, after-finishing for removing oil is not needed; the polylactic acid lining cloth has the high-quality characteristics of soft hand feeling, good air permeability, long-acting bacteriostasis, degradability and the like, and the polylactic acid lining cloth is used as the consolidation lining cloth to be matched with cashmere to prepare the flocculus fabric with good air permeability.
The production method will be described more specifically below.
S1, preparing raw materials
The pure cashmere flocculus fabric is of a sandwich composite structure, and uses two main raw materials, namely A100% cashmere, which is a middle pure goat cashmere flocculus layer 2; b100% polylactic acid lining cloth 1, 3, which are upper and lower consolidation layers (see figure 2).
Preferably, the cashmere is cashmere.
A100% cashmere raw material is prepared, the cashmere raw material is a scarce animal fiber which is very expensive, and the flocculus is a thermal insulation material and is generally used as the liner of clothes. Therefore, cashmere fibers having particularly good quality are not required. Two conditions are required from cashmere fibers to flocculus, the length of the first fibers meets the requirement of carding to form a net, the structure of the second flocculus cannot be too loose, and the tensile force of the specification of 100 g/square meter needs to be more than 100CN (when the tensile force is less than 100CN, the problem that the flocculus is broken by external force when in contact with the flocculus, and the like, influences the production of ready-made clothes).
The inventor determines that the fiber length suitable for manufacturing the cashmere flocculus can be controlled to be 19-24mm through repeated carding, web forming and tension tests by paying a lot of labor, namely the cashmere flocculus is difficult to form a web when the fiber length is less than 19mm, and the raw material with the length more than 24mm can be used for manufacturing woolen cashmere woolen fabrics and is waste on the raw material for manufacturing the flocculus.
Therefore, the source suitable for manufacturing the cashmere flocculus is recycled cashmere which is prepared by refining short and waste cashmere products through secondary fiberization in the processes of finishing cashmere and combing sliver making in the non-plush carding stage. The raw materials belong to the raw materials with lower quality and lower price in the whole cashmere raw materials, so the high-grade cashmere fabric is prepared by adopting the raw materials with low cost and price.
Furthermore, the average fiber fineness of the cashmere used in the embodiment of the application is less than or equal to 16.5 μm, wherein the coarse wool content is less than or equal to 2%, and the coarse wool refers to the fiber with the fineness of more than or equal to 25 μm. The cashmere has unique smooth and fine hand feeling, and mainly cashmere fibers have two characteristics, one is fine in fiber fineness of 13-17 mu m, and the other is thin, smooth and large in distance between scales on the surfaces of the cashmere fibers. However, cashmere with different fineness has larger hand feeling difference, which is shown in that the fineness is better, and the hand feeling is softer and finer. If the fiber fineness is more than 17 μm, the more the hand feeling is expressed, the more the wool hand feeling is, and the softness is reduced. Therefore, the average fineness of the cashmere fibers is controlled to be below 16.5 mu m, and the softness of the product can be guaranteed. The cashmere contains coarse wool, the content of coarse wool of more than 25 mu m in cashmere fiber is mainly examined, the difference between the physical properties of the coarse wool and the cashmere is larger, the rigidity of the coarse wool is very strong, the content of the coarse wool is larger, and the coarse wool is easier to drill out from the lining cloth. Experiments show that the content of the coarse particles is controlled within 2 percent, so that the problem of hair drilling can be effectively prevented.
B, preparing a consolidation lining cloth, wherein the consolidation lining cloth needs to be soft and breathable and is matched with the cashmere material. The inventor finds that the polylactic acid woven lining cloth has the high-quality characteristics of soft hand feeling, good air permeability, long-acting bacteriostasis, degradability and the like, so that the air permeability of the prepared flocculus fabric can be fully ensured by selecting the polylactic acid woven lining cloth as the consolidation lining cloth to be matched with the cashmere flocculus.
S2, processing raw materials
If the cashmere fiber is not treated, the problems of peculiar smell, worm damage, felting and the like can occur. The prior art solves the problems by adding antibacterial deodorizing fibers, sterilization aids and three-dimensional hollow fibers.
The application considers the problems of comfort and the like of the fabric and adopts the following mode to treat.
Treating cashmere with neutral lotion at 55-60 deg.C (such as 55 deg.C, 57 deg.C or 60 deg.C) for 25-30min (such as 25min, 27min or 30 min), heating to 75-80 deg.C (such as 75 deg.C, 77 deg.C or 80 deg.C), and washing for 8-10min (such as 8min, 9min or 10 min) to effectively remove odor.
After dehydration, continuously adding water, heating to 75-80 ℃ (for example, 75 ℃, 77 ℃ or 80 ℃), adding JF86 insect prevention auxiliary agent to enable the mass concentration of the JF86 insect prevention auxiliary agent in the solution to be 0.3-0.5% (for example, 0.3%, 0.4% or 0.5%) and glacial acetic acid to enable the mass concentration of the JF86 insect prevention auxiliary agent in the solution to be 0.1-0.2% (for example, 0.1% or 0.2%), processing for 15-20min (for example, 15min, 17min or 20 min), dehydrating, washing for 8-10min at normal temperature (for example, 8min, 9min or 10 min), and effectively preventing the fiber from being damaged by worms; in addition, in the processes of high-temperature cleaning and high-temperature medicament treatment, the internal stress of the cashmere fibers is fully released, so that the fibers have a certain shrink-proof function.
S3, mixing materials
Layering the cashmere raw materials after being subjected to odor removal and insect-proof treatment, uniformly adding soft water, and mixing, wherein the mass ratio of the added amount of the soft water to the cashmere raw materials is (0.1-0.15): 1 (for example, 0.1. After the mixing is finished, the mixture is tightly put for 8-12h (for example, 8h, 10h or 12 h), so that the mixed material can be effectively and uniformly combed during combing, and static electricity is eliminated.
S4, carding
The WL-GP-B-800 type carding machine is adopted to output 9-10g/m by controlling the feeding amount, the cylinder and the doffer rotating speed 2 The cashmere wool net of (1).
Feeding amount: 350-400g/min (e.g., 350g/min, 380g/min, or 400 g/min);
cylinder speed: 850-900m/min (e.g., 850m/min, 880m/min, or 900 m/min);
doffer speed: 9-9.5m/min (e.g., 9m/min, 9.2m/min, or 9.5 m/min).
S5, paving
Adopts WL-GZ-A-800 type lapping machine, and outputs 90-100g/m by controlling feeding amount, cylinder and doffer rotation speed 2 The goat flock layer.
Curtain-feeding speed: 7.3-7.5g/min (e.g., 7.3g/min, 7.4g/min, or 7.5 g/min);
lower curtain speed: 7.3-7.5g/min (e.g., 7.3g/min, 7.4g/min, or 7.5 g/min);
web forming curtain speed: 0.75-0.78m/min (e.g., 0.75m/min, 0.77m/min, or 0.78 m/min).
S6, needling
The WL-GZ-B-800 type pre-needling machine is adopted, and the needling depth, the needling density and the needling frequency are adjusted to ensure that the flocculus layer is fluffy and has a compact structure.
The needling depth is as follows: 8-10mm (e.g. 8mm, 9mm or 10 mm)
Needling density: 30-33 thorn/cm 2 (e.g., 30 thorn/cm) 2 32 thorn/cm 2 Or 33 thorn/cm 2 )
Needling frequency: 210-225 spines/min (e.g., 210 spines/min, 220 spines/min, or 225 spines/min).
It should be noted that the process parameters of S4-S6 can be adjusted adaptively according to the different models of machines used, for example, only the output of 9-10g/m after carding 2 The cashmere wool web of (1); after laying, the output of 90-100g/m can be satisfied 2 A goat flock sheet layer; the padding layer is fluffy and the structure is compact after the needle punching.
S7, shaping
The process is an important step for combining a consolidation layer and a flocculus layer, wherein polylactic acid lining cloth is fed into an upper layer and a lower layer, cashmere flocculus is fed into a forming machine at the middle part, and the lining cloth and cashmere fibers are consolidated by hot air at the temperature of 110-130 ℃ (such as 110 ℃, 120 ℃ or 130 ℃), as shown in figure 3. The temperature of the hot air is not too low, the too low consolidation effect is not good, and the too high consolidation effect can damage the performance of the cashmere fibers.
S8, coiling
And a coiling counting device is additionally arranged at the front end of the forming machine, and the flocculus is made into a finished product of 45-50 meters.
The pure cashmere flocculus fabric provided by the embodiment of the application is prepared by the preparation method provided by the embodiment of the application. The fabric has the characteristics of high comfort level and good warmth retention property.
The garment provided by the embodiment of the application is made of the pure cashmere flocculus fabric provided by the embodiment of the application. The garment has high economic value.
The features and properties of the present invention are described in further detail below with reference to examples.
Examples
Preparing cashmere and polylactic acid lining cloth with average fiber fineness not more than 16.5 mu m, coarse wool content not more than 2 percent and fiber length between 16 and 24mm.
Treating cashmere with neutral lotion at 55-60 deg.C (with temperature fluctuating in the range) for 27min, heating to 75-80 deg.C (with temperature fluctuating in the range), and cleaning for 9min.
After dehydration, continuously adding water, heating to 75-80 ℃ (the temperature fluctuates within the range), adding JF86 insect prevention auxiliary agent to enable the mass concentration of the insect prevention auxiliary agent in the solution to be 0.4% and glacial acetic acid to enable the mass concentration of the insect prevention auxiliary agent in the solution to be 0.15%, processing for 17min, dehydrating, and cleaning for 9min at normal temperature.
Layering the cashmere raw materials subjected to peculiar smell removal and insect-proof treatment, uniformly adding soft water for mixing, and after the mixing is completed, the ratio of the addition amount of the soft water to the mass of the cashmere raw materials is 0.1, the mixing is performed for 10 hours in a closed manner, so that the mixing can be effectively and uniformly combed during combing, and static electricity is eliminated.
Adopting a WL-GP-B-800 type carding machine, feeding amount: 380g/min, cylinder speed: 880m/min, doffer speed: 9.2m/min. Output 9g/m 2 The cashmere fleece of (1).
Adopting a WL-GZ-A-800 type lapping machine, and arranging the curtain speed: 7.4g/min, curtain speed: 7.4g/min; web-forming curtain speed: 0.76m/min. Output 102g/m 2 The goat velvet flake layer.
Adopting a WL-GZ-B-800 type pre-needling machine, and needling depth: 9mm, needling density: 32 thorn/cm 2 The needling frequency is as follows: 215 thorns/min. A fluffy and compact structure batt layer is obtained.
The upper and lower layers are fed with polylactic acid lining cloth, the middle part is fed with cashmere flocculus to a setting machine, and the lining cloth and the cashmere fibers are solidified by hot air with the temperature of 115 ℃, as shown in figure 3. Obtaining the finished product of the pure cashmere flocculus with the gram weight of 102 g/square meter.
Comparative example 1
This comparative example is substantially the same as the examples except that: the adopted lining cloth is polyester lining cloth. The grammage was essentially the same as in example 1, slightly different due to the different choice of interlining.
Comparative example 2
Making 85% cashmere, 8% low-melting-point fiber, 4% three-dimensional hollow fiber, 1.5% antistatic fiber and 1.5% antibacterial deodorizing fiber into flocculus with the surface layer and the bottom layer made of low-melting-point fiber and the middle layer made of cashmere and other fibers mixed by carding, and fusing the low-melting-point fiber and the wool fiber through a needling process and high-temperature shaping to finish the manufacture of the finished flocculus. A fabric having substantially the same grammage as in example 1 was produced.
Examples of the experiments
The performance of the pure cashmere flocculus fabric prepared in the embodiment and the comparative examples 1 and 2 is tested. The test method is the determination of the air permeability of GB/T5453-1997 textile fabrics; GB/T11048-2008 textile thermal insulation performance test method; GB/T20944.3-2008 textile antibacterial performance evaluation third part shake method; the degradation ability is judged according to the degradability of the material. The test results are reported in table 1.
Table 1 test results of each experimental group
As can be seen from the experimental results in the table above, compared with the comparative example 1, the cashmere flocculus prepared in the embodiment of the present application has the advantages that the air permeability and the antibacterial activity of the fabric in the comparative example 1 are inferior to those in the embodiment 1, and the polylactic acid lining cloth is used as the consolidation lining cloth, so that the pure cashmere flocculus fabric has better air permeability and antibacterial performance compared with other kinds of lining cloth; the comparative example 2 is a currently known preparation method of cashmere flocculus, and the cashmere flocculus fabric prepared in the comparative example 2 is compared with the examples, so that the warm keeping performance of the examples of the application is obviously better, and the application can obtain the flocculus fabric with good performance by adopting pure cashmere in combination with the treatment mode and the selection of the consolidation lining cloth of the application.
In conclusion, compared with the method of adding functional fibers (such as antistatic fibers and antibacterial fibers) into the cashmere flocculus, the preparation method of the pure cashmere flocculus fabric can better ensure the cashmere purity of the cashmere flocculus, does not have the problem of function loss of certain parts caused by uneven mixing in the manufacturing process, and can obviously improve the grade and comfort of the fabric; in the preparation process, compared with the mode of tightly placing in oil water for a proper time, the mode of tightly placing in soft water is adopted, and after the fabric is made, after finishing for removing oil is not needed any more; the polylactic acid lining cloth has the high-quality characteristics of soft hand feeling, good air permeability, long-acting bacteriostasis, degradability and the like, and the polylactic acid lining cloth is used as the consolidation lining cloth to be matched with cashmere to prepare the flocculus fabric with good air permeability.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A preparation method of a pure cashmere flocculus fabric is characterized by comprising the following steps:
treating cashmere with a medicinal agent at 75-80 ℃ to enable fibers of the cashmere to have shrink-proof and insect-proof functions so as to obtain the shrink-proof and insect-proof cashmere, wherein the fiber length of the cashmere is more than or equal to 19mm;
tightly placing the shrink-proof insect-proof cashmere in soft water for 8-12h to eliminate static electricity to obtain functional cashmere;
preparing the functional cashmere into a cashmere wool sheet layer;
according to the technical scheme, the cashmere flocculus fabric is prepared by feeding polylactic acid lining cloth to the upper layer and the lower layer, feeding the cashmere flocculus layer to the middle of the upper layer and the lower layer into a setting machine, and solidifying the polylactic acid lining cloth and the cashmere flocculus layer through hot air at the temperature of 110-130 ℃.
2. The preparation method according to claim 1, characterized in that the method for treating cashmere with the medicament to make the fibers of cashmere have the shrink-proof and insect-proof functions comprises the following steps:
processing the cashmere without peculiar smell in a solution containing 0.3-0.5% of insect-proof auxiliary agent and 0.1-0.2% of glacial acetic acid at the temperature of 75-80 ℃ for 15-20 minutes, and dehydrating and cleaning to obtain the shrink-proof insect-proof cashmere;
preferably, the insect-resistant assistant is a JF86 insect-resistant assistant;
preferably, the water is washed for 8 to 10min by normal temperature water after dehydration.
3. The preparation method according to claim 2, characterized in that before the medicament treatment, the method further comprises the step of washing the cashmere, wherein the washing treatment is carried out in a manner that:
putting cashmere in water of 55-60 deg.C, treating with neutral lotion for 25-30min, and washing at 75-80 deg.C for 8-10min.
4. The preparation method according to claim 1, characterized in that the functional cashmere wool layer is made by:
preparing the functional cashmere into 9-10g/m 2 The cashmere wool net of (1);
making the cashmere woolen net into 90-100g/m under the action of a lapping machine 2 The cashmere flocculus layer;
and (3) processing the cashmere batt layer by using a needle machine to ensure that the cashmere batt layer is fluffy and compact in structure.
5. The preparation method of claim 4, wherein the machine for making the functional cashmere into cashmere wool net is a WL-GP-B-800 type carding machine, and the feeding amount is as follows: 350-400g/min, cylinder speed: 850-900m/min, doffer speed: 9-9.5m/min.
6. The method of claim 4, wherein the lapper model is WL-GZ-a-800, curtain speed: 7.3-7.5g/min; lower curtain speed: 7.3-7.5g/min; web forming curtain speed: 0.75-0.78m/min.
7. The method of claim 4, wherein the needle machine is a needle machineWL-GZ-B-800 type pre-needling machine, needling depth: 8-10mm; needling density: 30-33 thorn/cm 2 (ii) a Needling frequency: 210-225 thorn/min.
8. The preparation method according to claim 1, characterized in that the average fiber fineness of the cashmere is less than or equal to 16.5 μm, wherein the coarse wool content is less than or equal to 2%, and the coarse wool is fiber with fineness greater than or equal to 25 μm;
preferably, the cashmere has a fiber length of 19 to 24mm.
9. A pure cashmere flake fabric, characterized by being produced by the production method of any one of claims 1 to 8.
10. A garment made from the pure cashmere batt material of claim 9.
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| GB2628010A (en) * | 2023-03-29 | 2024-09-11 | Kate Woolley Rebecca | Insulating fill materials and processes for manufacturing insulating fill materials |
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