CN116876136A - Degradable crease-resistant flax fabric and preparation method thereof - Google Patents

Degradable crease-resistant flax fabric and preparation method thereof Download PDF

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Publication number
CN116876136A
CN116876136A CN202311016145.6A CN202311016145A CN116876136A CN 116876136 A CN116876136 A CN 116876136A CN 202311016145 A CN202311016145 A CN 202311016145A CN 116876136 A CN116876136 A CN 116876136A
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flax
degradable
polyester
yarns
yarn
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李德军
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Individual
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    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
    • D03D15/208—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads cellulose-based
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/28—Formation of filaments, threads, or the like while mixing different spinning solutions or melts during the spinning operation; Spinnerette packs therefor
    • D01D5/30—Conjugate filaments; Spinnerette packs therefor
    • D01D5/34—Core-skin structure; Spinnerette packs therefor
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F1/00—General methods for the manufacture of artificial filaments or the like
    • D01F1/02—Addition of substances to the spinning solution or to the melt
    • D01F1/09—Addition of substances to the spinning solution or to the melt for making electroconductive or anti-static filaments
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F1/00—General methods for the manufacture of artificial filaments or the like
    • D01F1/02—Addition of substances to the spinning solution or to the melt
    • D01F1/10—Other agents for modifying properties
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
    • D01F6/92—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of polyesters
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
    • D02G3/04—Blended or other yarns or threads containing components made from different materials
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/44—Yarns or threads characterised by the purpose for which they are designed
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D13/00—Woven fabrics characterised by the special disposition of the warp or weft threads, e.g. with curved weft threads, with discontinuous warp threads, with diagonal warp or weft
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
    • D03D15/283—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads synthetic polymer-based, e.g. polyamide or polyester fibres
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
    • D03D15/292—Conjugate, i.e. bi- or multicomponent, fibres or filaments
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/40—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads
    • D03D15/47—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads multicomponent, e.g. blended yarns or threads
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
    • D06M13/144—Alcohols; Metal alcoholates
    • D06M13/148—Polyalcohols, e.g. glycerol or glucose
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
    • D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
    • D06M13/184—Carboxylic acids; Anhydrides, halides or salts thereof
    • D06M13/192—Polycarboxylic acids; Anhydrides, halides or salts thereof
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/02—Natural fibres, other than mineral fibres
    • D06M2101/04—Vegetal fibres
    • D06M2101/06—Vegetal fibres cellulosic
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
    • D06M2200/20—Treatment influencing the crease behaviour, the wrinkle resistance, the crease recovery or the ironing ease
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
    • D10B2201/01—Natural vegetable fibres
    • D10B2201/04—Linen
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
    • D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
    • D10B2331/10—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyurethanes
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2401/00—Physical properties
    • D10B2401/12—Physical properties biodegradable

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)

Abstract

The application discloses a degradable crease-resistant flax fabric, which is characterized in that: comprises a degradable flax fabric layer; the degradable flax fabric layer is formed by interweaving four groups of warp yarns and three groups of weft yarns; the warp yarns are flax yarns, degradable hemp polyester yarns, polylactic acid fibers and covering fibers which are arranged according to the proportion of 6:2:1:1; the weft yarns are formed by arranging degradable flax yarns, hemp polyester yarns and polylactic acid fibers according to the proportion of 8:1:1. The flax fabric disclosed by the application is soft and comfortable, crease-resistant, not easy to deform and biodegradable.

Description

Degradable crease-resistant flax fabric and preparation method thereof
Technical Field
The application relates to the technical field of flax fabrics, in particular to a degradable crease-resistant flax fabric and a preparation method thereof.
Background
Flax is also called brucea javanica and flax, and is used for separating fiber and oil, and the fiber and oil are all annual herbaceous plants. Because of good hygroscopicity, quick moisture conduction and relatively thin diameter, the fiber is one of main fiber raw materials of the spring and summer clothing. Typically, a cloth woven from linen fibers is called linen.
The flax fabric is characterized by softness, ventilation, moisture absorption and heat resistance, but is also a fragile fabric and is easy to wrinkle. Summary of the prior art in order to improve crease-resistant performance of linen fabric, a method is generally adopted in which crease-resistant finishing agents are used for crease-resistant finishing of the fabric. Although the crease-resistant finishing agent can improve the rebound of the fabric to a certain extent, the strength of the fabric is reduced, and the crease-resistant effect is not ideal.
Disclosure of Invention
The technical problem to be solved by the application is to provide the degradable crease-resistant flax fabric which is soft and comfortable, crease-resistant, not easy to deform and biodegradable.
In order to solve the technical problems, the application adopts the following technical scheme: a degradable crease-resistant flax fabric comprises a degradable flax fabric layer; the degradable flax fabric layer is formed by interweaving three groups of warp yarns and three groups of weft yarns; the warp yarns are formed by arranging flax yarns, degradable hemp-polyester yarns and polylactic acid fibers according to the proportion of 6:2:1:1; the weft yarns are formed by arranging degradable flax yarns, hemp polyester yarns and polylactic acid fibers according to the proportion of 8:1:1.
Further, the preparation method of the degradable hemp-polyester yarn comprises the following steps:
(1) Crease-resist treatment of flax fiber: the flax fiber is soaked in a mixture of citric acid and glycerol, wherein the mass ratio of the citric acid to the glycerol is 3-5:1;
(2) And (3) preparing degradable polyester: mixing polyester chips with nano-scale calcium oxide powder, chitosan oligosaccharide and aliphatic dihydric alcohol to prepare spinning solution, and preparing degradable polyester through melt spinning;
(3) Preparing a hemp-polyester blended yarn: blending the flax fiber treated in the step 1) with the degradable polyester prepared in the step 2) to prepare the flax-polyester blended yarn.
Further, 4 polyurethane fiber yarns are symmetrically arranged on the periphery of the degradable polyester fiber in the step 2); the diameter of the terylene is 8-10 times of the diameter of the polyurethane fiber yarn.
Further, the polyester spinning solution of the degradable polyester is sprayed out through a first spinneret orifice; the polyurethane spinning solution of the polyurethane fiber yarn is sprayed out from a second spinneret hole, the second spinneret hole is arranged on the periphery of the first spinneret hole, and the front ends of the first spinneret hole and the second spinneret hole are communicated through a connecting port.
Further, the degradable flax-polyester yarn structurally comprises a first flax long fiber, a second flax long fiber, a third flax long fiber, a middle polyester yarn and an outer polyester yarn; the middle polyester yarns and the outer polyester yarns are hollow fibers; the first flax long fibers are wrapped outside the middle polyester yarns in a spiral mode to form a composite fiber core body; the outer side of the composite fiber core body is provided with second flax long fibers and outer polyester yarns; the outer polyester yarns and the second flax long fibers are horizontally arranged with the core body; the outer polyester yarns and the second flax long fibers are arranged according to the proportion of 1:3 to form a filling body; the periphery of the filling body wraps the third staple fiber.
Further, the structure of the degradable hemp-polyester yarn can be as follows: the first flax long fibers, the first hollow polyester yarns, the second hollow polyester yarns and the second flax long fibers are sequentially arranged from left to right; the first hollow polyester yarns and the second hollow polyester yarns are positioned between the first flax filaments and the second flax filaments; the first flax filaments pass through the holes A on the first hollow polyester yarns; the second flax filaments pass through holes B on the second hollow polyester yarns; the first flax filaments and the second flax filaments respectively pass through the first hollow polyester yarns and the second hollow polyester yarns and then cross, and then the second flax filaments pass through holes C below holes A on the first hollow polyester yarns; the first flax filaments pass through an eyelet D below an eyelet B on the second hollow polyester yarn; and then the second flax filaments and the first flax filaments respectively pass through the holes E and F on the first hollow polyester yarns and the second hollow polyester yarns, the second flax filaments pass through the holes H on the second hollow polyester yarns and then continue to pass through the holes I on the first hollow polyester yarns, and the first flax filaments pass through the holes G on the first hollow polyester yarns and then continue to pass through the holes J on the second hollow polyester yarns, so that the degradable flax polyester yarns are obtained in a reciprocating manner.
Further, the back of the degradable flax fabric layer is provided with a skin-friendly layer; the skin-friendly layer is formed by interweaving blended yarns formed by blending alginate fibers, chitosan fibers and superfine denier degradable spandex; the skin-friendly layer is connected with the degradable flax fabric layer.
The preparation method of the degradable crease-resistant flax fabric comprises the following steps:
(1) Pretreatment of flax yarn: the flax fiber is soaked in a mixture of citric acid and glycerol, wherein the mass ratio of the citric acid to the glycerol is 3-5:1;
(2) Preparing a hemp-polyester blended yarn: mixing polyester chips with nano-scale calcium oxide powder, chitosan oligosaccharide and aliphatic dihydric alcohol to prepare spinning solution, and preparing degradable polyester through melt spinning; blending the pretreated flax yarn with degradable polyester to obtain a flax-polyester blended yarn;
(3) Weaving: the flax yarn, the degradable hemp polyester yarn and the polylactic acid fiber in the warp are arranged according to the proportion of 6:2:1:1; the degradable flax yarns, the polyester yarns and the polylactic acid fibers in the weft yarns are arranged according to the proportion of 8:1:1 for weaving.
Further, in the step (2), the flax yarn and the degradable polyester are blended, specifically, flax long fibers are wrapped on the periphery of the degradable polyester in a spiral mode to form a composite fiber core; the outer side of the composite fiber core body is provided with a plurality of flax long fibers and degradable polyester yarns which are horizontally arranged with the core body to form a filling body; the filling body is coated with the flax long fiber outside the filling body.
Further, in the step (2), the flax yarn and the degradable polyester are blended, namely the flax yarn and the degradable polyester are respectively arranged on a first movable frame and a second movable frame, unwinding mechanisms are respectively arranged on the first movable frame and the second movable frame, the first movable frame is positioned on two sides in the initial stage, the two flax yarns are positioned before the two degradable polyester yarns, the flax yarns are positioned at the end parts of the two degradable polyester yarns and are fixed, the movable frame moves, meanwhile, the flax yarn and the degradable polyester yarns are unwound, and the first movable frame and the second movable frame move according to the following track in the unwinding process: the first movable frame moves obliquely, the second movable frame moves longitudinally, the first movable frame meets one of the second movable frames, the second movable frame moves circumferentially, the degradable polyester yarn winds the flax yarn for a circle to form an eyelet on the degradable polyester yarn, the flax yarn passes through the eyelet of the degradable polyester yarn, the first movable frame continues to move obliquely and meet the second movable frame, the second movable frame moves circumferentially again, the first movable frame moves to the outer side of the second movable frame and moves longitudinally synchronously with the second movable frame for a period of time, and then moves obliquely reversely until returning to the outer side of the second movable frame again and moves longitudinally synchronously with the second movable frame for a period of time, and the second movable frame reciprocate; obtaining the hemp-polyester blended yarn.
The beneficial effects of the application are as follows:
1) The fabric disclosed by the application has the advantages that the degradable flax yarns, the polyester flax yarns and the polylactic acid fibers are arranged according to a specific proportion to form the warp yarns and the weft yarns, and the flax content exceeds 70%, so that the style and the performance advantages of the flax fabric are completely reserved, and meanwhile, the defect that the flax fabric is easy to wrinkle and itchy when worn is overcome.
2) According to the degradable hemp-polyester yarn, through special structural design and configuration of raw materials, the prepared degradable hemp-polyester yarn plays roles of shape retention and support in the fabric;
3) The degradable polyester and the spandex at the periphery are integrally formed, so that the shape retention of the degradable polyester is further improved.
Drawings
The application is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a schematic diagram of the degradable hemp-polyester yarn of the present application;
FIG. 2 is a schematic diagram of another embodiment of the degradable hemp yarn of the present application.
Detailed Description
The technical scheme of the present application will be clearly and completely described in the following detailed description.
Example 1: the application relates to a degradable crease-resistant flax fabric, which comprises a degradable flax fabric layer; the degradable flax fabric layer is formed by interweaving three groups of warp yarns and three groups of weft yarns; the warp yarns are arranged by adopting flax yarns, degradable hemp polyester yarns and polylactic acid fibers according to the proportion of 6:2:1:1; the weft yarns are formed by arranging degradable flax yarns, hemp polyester yarns and polylactic acid fibers according to the proportion of 8:1:1.
The polylactic acid fiber has soft hand feeling, moisture permeability, air permeability, good wear resistance, difficult deformation and good dimensional stability; has good biodegradability, and can be completely decomposed in nature after being abandoned; the heat preservation performance in winter is higher than that of cotton and polyester fiber by more than 20%, the moisture permeability in summer is excellent, the sweat absorption is quick-drying, and the body heat can be quickly taken away through evaporation. The strength, elongation at break and other weaving performances of the polylactic acid fiber are similar to those of terylene and chinlon, and the polylactic acid fiber is favorable for weaving and post-processing of products; good rebound resilience, excellent wrinkle resistance, small light reflection coefficient and soft luster.
The special degradable flax-polyester yarn is biodegradable, and the defect that flax fibers are easy to wrinkle is overcome by blending the polyester and the flax;
by the arrangement of the special structure of the degradable flax-polyester yarn, the yarn retains the advantages of flax fibers.
The fabric disclosed by the application has the advantages that the degradable flax yarns, the polyester flax yarns and the polylactic acid fibers are arranged according to a specific proportion to form the warp yarns and the weft yarns, and the flax content exceeds 70%, so that the fabric has the style and performance advantages of the flax fabric, and the defects of easiness in wrinkling and itching feeling during wearing are overcome.
The preparation method of the degradable hemp polyester yarn comprises the following steps:
(1) Crease-resist treatment of flax fiber: the flax fiber is soaked in a mixture of citric acid and glycerol, wherein the mass ratio of the citric acid to the glycerol is 3-5:1; after the flax fiber is soaked in the mixture of citric acid and glycerol, crease resistant treatment can be performed, and the flax fiber can be softer;
(2) And (3) preparing degradable polyester: mixing polyester chips with nano-scale calcium oxide powder, chitosan oligosaccharide and aliphatic dihydric alcohol to prepare spinning solution, and preparing degradable polyester through melt spinning; in the step, the polyester chips are mixed with the nano-scale calcium oxide powder, the chitosan oligosaccharide and the aliphatic dihydric alcohol, so that the prepared polyester fiber has degradability, antistatic property, hygroscopicity and handfeel of the fabric;
(3) Preparing a hemp-polyester blended yarn: blending the flax fiber treated in the step 1) with the degradable polyester prepared in the step 2) to prepare the flax-polyester blended yarn.
Preferably, 4 polyurethane fiber filaments are symmetrically arranged on the periphery of the degradable polyester; the diameter of the terylene is 8-10 times of the diameter of the polyurethane fiber yarn.
Preferably, the polyester spinning solution of the degradable polyester is sprayed out through the first spinneret orifice; the polyurethane spinning solution of the polyurethane fiber yarn is sprayed out from a second spinneret hole, the second spinneret hole is arranged on the periphery of the first spinneret hole, and the front ends of the first spinneret hole and the second spinneret hole are communicated through a connecting port.
In the embodiment, 4 polyurethane fiber yarns are arranged on the periphery of the degradable polyester, the 4 polyurethane fiber yarns and the degradable polyester are integrally formed, the elasticity and shape retention performance of the polyester are improved, and after the polyester fiber yarns are blended with flax, the crease resistance of the fibrilia is solved.
As shown in fig. 1, in the present embodiment, the degradable hemp polyester yarn structure includes a first flax long fiber 11, a second flax long fiber 12, a third flax long fiber 13, a middle polyester yarn 14 and an outer polyester yarn 15; the middle polyester yarns and the outer polyester yarns are hollow fibers; the first flax long fibers are wrapped outside the middle polyester yarns in a spiral mode to form a composite fiber core body; the outer side of the composite fiber core body is provided with second flax long fibers and outer polyester yarns; the outer polyester yarns and the second flax long fibers are horizontally arranged with the core body; the outer polyester yarns and the second flax long fibers are arranged according to the proportion of 1:3 to form a filling body; the periphery of the filling body wraps the third staple fiber.
The degradable hemp and polyester yarn has the functions of supporting and copying in the fabric.
Example 2: as shown in fig. 2, in this embodiment, the degradable hemp-polyester yarn may further have the following structure: the first flax long fibers B21, the first hollow polyester yarns 22, the second hollow polyester yarns 23 and the second flax long fibers B24 are sequentially arranged from left to right; the first hollow polyester yarns and the second hollow polyester yarns are positioned between the first flax filaments and the second flax filaments; the first flax filaments pass through the holes A on the first hollow polyester yarns; the second flax filaments pass through holes B on the second hollow polyester yarns; the first flax filaments and the second flax filaments respectively pass through the first hollow polyester yarns and the second hollow polyester yarns and then cross, and then the second flax filaments pass through holes C below holes A on the first hollow polyester yarns; the first flax filaments pass through an eyelet D below an eyelet B on the second hollow polyester yarn; and then the second flax filaments and the first flax filaments respectively pass through the holes E and F on the first hollow polyester yarns and the second hollow polyester yarns, the second flax filaments pass through the holes H on the second hollow polyester yarns and then continue to pass through the holes I on the first hollow polyester yarns, and the first flax filaments pass through the holes G on the first hollow polyester yarns and then continue to pass through the holes J on the second hollow polyester yarns, so that the degradable flax polyester yarns are obtained in a reciprocating manner.
Example 3: on the basis of the embodiment 1, the back surface of the degradable flax fabric layer is provided with a skin-friendly layer; the skin-friendly layer is formed by interweaving blended yarns formed by blending alginate fibers, chitosan fibers and superfine denier degradable spandex; the skin-friendly layer is connected with the degradable flax fabric layer.
In the embodiment, the skin-friendly layer is arranged, so that the comfort of the fabric is improved, and the itching feeling of the linen fabric is reduced.
Example 4: the preparation method of the degradable crease-resistant flax fabric comprises the following steps:
(1) Pretreatment of flax yarn: the flax fiber is soaked in a mixture of citric acid and glycerol, wherein the mass ratio of the citric acid to the glycerol is 3-5:1;
(2) Preparing a hemp-polyester blended yarn: mixing polyester chips with nano-scale calcium oxide powder, chitosan oligosaccharide and aliphatic dihydric alcohol to prepare spinning solution, and preparing degradable polyester through melt spinning; blending the pretreated flax yarn with degradable polyester to obtain a flax-polyester blended yarn;
(3) Weaving: the flax yarn, the degradable hemp polyester yarn and the polylactic acid fiber in the warp are arranged according to the proportion of 6:2:1:1; the degradable flax yarns, the polyester yarns and the polylactic acid fibers in the weft yarns are arranged according to the proportion of 8:1:1 for weaving.
In the step (2), the flax yarn and the degradable polyester are blended, specifically, flax long fibers are wrapped on the periphery of the degradable polyester in a spiral mode to form a composite fiber core; the outer side of the composite fiber core body is provided with a plurality of flax long fibers and degradable polyester yarns which are horizontally arranged with the core body to form a filling body; the filling body is coated with the flax long fiber outside the filling body.
Example 5: in the embodiment, the method for blending the linen yarn and the degradable polyester in the step (2) may further include that the linen yarn and the degradable polyester are respectively mounted on a first movable frame and a second movable frame, unwinding mechanisms are respectively arranged on the first movable frame and the second movable frame, the first movable frame is located at two sides in the initial stage, two linen yarns are located before two degradable polyester yarns, the linen yarn is located at the end parts of the two degradable polyester yarns and is fixed, the movable frame moves, meanwhile, the linen yarn and the degradable polyester yarns are unwound, and in the unwinding process, the first movable frame and the second movable frame move according to the following tracks: the first movable frame moves obliquely, the second movable frame moves longitudinally, the first movable frame meets one of the second movable frames, the second movable frame moves circumferentially, the degradable polyester yarn winds the flax yarn for a circle to form an eyelet on the degradable polyester yarn, the flax yarn passes through the eyelet of the degradable polyester yarn, the first movable frame continues to move obliquely and meet the second movable frame, the second movable frame moves circumferentially again, the first movable frame moves to the outer side of the second movable frame and moves longitudinally synchronously with the second movable frame for a period of time, and then moves obliquely reversely until returning to the outer side of the second movable frame again and moves longitudinally synchronously with the second movable frame for a period of time, and the second movable frame reciprocate; obtaining the hemp-polyester blended yarn.
The foregoing description of the preferred embodiments of the present application is not intended to limit the application, and those skilled in the art may make various modifications and equivalents within the spirit and scope of the application, and such modifications and equivalents should also be considered as falling within the scope of the technical solution of the present application.

Claims (10)

1. The utility model provides a degradable prevents fold flax fabric which characterized in that: comprises a degradable flax fabric layer; the degradable flax fabric layer is formed by interweaving three groups of warp yarns and three groups of weft yarns; the warp yarns are formed by arranging flax yarns, degradable hemp-polyester yarns and polylactic acid fibers according to the proportion of 6:2:1:1; the weft yarns are formed by arranging degradable flax yarns, hemp polyester yarns and polylactic acid fibers according to the proportion of 8:1:1.
2. The degradable wrinkle-resistant linen fabric according to claim 1, wherein: the preparation method of the degradable hemp polyester yarn comprises the following steps:
(1) Crease-resist treatment of flax fiber: the flax fiber is soaked in a mixture of citric acid and glycerol, wherein the mass ratio of the citric acid to the glycerol is 3-5:1;
(2) And (3) preparing degradable polyester: mixing polyester chips with nano-scale calcium oxide powder, chitosan oligosaccharide and aliphatic dihydric alcohol to prepare spinning solution, and preparing degradable polyester through melt spinning;
(3) Preparing a hemp-polyester blended yarn: blending the flax fiber treated in the step 1) with the degradable polyester prepared in the step 2) to prepare the flax-polyester blended yarn.
3. The degradable wrinkle-resistant linen fabric according to claim 2, wherein: 4 polyurethane fiber yarns are symmetrically arranged on the periphery of the degradable polyester fiber in the step 2); the diameter of the terylene is 8-10 times of the diameter of the polyurethane fiber yarn.
4. A degradable, wrinkle-resistant linen fabric as in claim 3, wherein: the polyester spinning solution of the degradable polyester is sprayed out through the first spinneret orifice; the polyurethane spinning solution of the polyurethane fiber yarn is sprayed out from a second spinneret hole, the second spinneret hole is arranged on the periphery of the first spinneret hole, and the front ends of the first spinneret hole and the second spinneret hole are communicated through a connecting port.
5. The degradable wrinkle-resistant linen fabric according to claim 1, wherein: the degradable flax-polyester yarn structurally comprises first flax long fibers, second flax long fibers, third flax long fibers, middle polyester yarns and outer polyester yarns; the middle polyester yarns and the outer polyester yarns are hollow fibers; the first flax long fibers are wrapped outside the middle polyester yarns in a spiral mode to form a composite fiber core body; the outer side of the composite fiber core body is provided with second flax long fibers and outer polyester yarns; the outer polyester yarns and the second flax long fibers are horizontally arranged with the core body; the outer polyester yarns and the second flax long fibers are arranged according to the proportion of 1:3 to form a filling body; the periphery of the filling body wraps the third staple fiber.
6. The degradable wrinkle-resistant linen fabric according to claim 1, wherein: the degradable hemp-polyester yarn can also have the structure that: the first flax long fibers, the first hollow polyester yarns, the second hollow polyester yarns and the second flax long fibers are sequentially arranged from left to right; the first hollow polyester yarns and the second hollow polyester yarns are positioned between the first flax filaments and the second flax filaments; the first flax filaments pass through the holes A on the first hollow polyester yarns; the second flax filaments pass through holes B on the second hollow polyester yarns; the first flax filaments and the second flax filaments respectively pass through the first hollow polyester yarns and the second hollow polyester yarns and then cross, and then the second flax filaments pass through holes C below holes A on the first hollow polyester yarns; the first flax filaments pass through an eyelet D below an eyelet B on the second hollow polyester yarn; and then the second flax filaments and the first flax filaments respectively pass through the holes E and F on the first hollow polyester yarns and the second hollow polyester yarns, the second flax filaments pass through the holes H on the second hollow polyester yarns and then continue to pass through the holes I on the first hollow polyester yarns, and the first flax filaments pass through the holes G on the first hollow polyester yarns and then continue to pass through the holes J on the second hollow polyester yarns, so that the degradable flax polyester yarns are obtained in a reciprocating manner.
7. The degradable wrinkle-resistant linen fabric according to claim 1, wherein: the back of the degradable flax fabric layer is provided with a skin-friendly layer; the skin-friendly layer is formed by interweaving blended yarns formed by blending alginate fibers, chitosan fibers and superfine denier degradable spandex; the skin-friendly layer is connected with the degradable flax fabric layer.
8. The method for preparing the degradable crease-resistant flax fabric of claim 1, which is characterized by comprising the following steps: the method comprises the following steps:
(1) Pretreatment of flax yarn: the flax fiber is soaked in a mixture of citric acid and glycerol, wherein the mass ratio of the citric acid to the glycerol is 3-5:1;
(2) Preparing a hemp-polyester blended yarn: mixing polyester chips with nano-scale calcium oxide powder, chitosan oligosaccharide and aliphatic dihydric alcohol to prepare spinning solution, and preparing degradable polyester through melt spinning; blending the pretreated flax yarn with degradable polyester to obtain a flax-polyester blended yarn;
(3) Weaving: the flax yarn, the degradable hemp polyester yarn and the polylactic acid fiber in the warp are arranged according to the proportion of 6:2:1:1; the degradable flax yarns, the polyester yarns and the polylactic acid fibers in the weft yarns are arranged according to the proportion of 8:1:1 for weaving.
9. The method for preparing the degradable crease-resistant flax fabric of claim 8, which is characterized in that: in the step (2), the flax yarn and the degradable polyester are blended, specifically, flax long fibers are wrapped on the periphery of the degradable polyester in a spiral mode to form a composite fiber core; the outer side of the composite fiber core body is provided with a plurality of flax long fibers and degradable polyester yarns which are horizontally arranged with the core body to form a filling body; the filling body is coated with the flax long fiber outside the filling body.
10. The method for preparing the degradable crease-resistant flax fabric of claim 8, which is characterized in that: in the step (2), the flax yarn and the degradable polyester are blended, namely the flax yarn and the degradable polyester are respectively arranged on a first movable frame and a second movable frame, unwinding mechanisms are respectively arranged on the first movable frame and the second movable frame, the first movable frame and the second movable frame are positioned at two sides in the initial stage, the two flax yarns are positioned before the two degradable polyester yarns, the ends of the flax yarns positioned at the two degradable polyester yarns are fixed, the movable frames are movable, meanwhile, the flax yarn and the degradable polyester yarns are unwound, and the first movable frame and the second movable frame move according to the following track in the unwinding process: the first movable frame moves obliquely, the second movable frame moves longitudinally, the first movable frame meets one of the second movable frames, the second movable frame moves circumferentially, the degradable polyester yarn winds the flax yarn for a circle to form an eyelet on the degradable polyester yarn, the flax yarn passes through the eyelet of the degradable polyester yarn, the first movable frame continues to move obliquely and meet the second movable frame, the second movable frame moves circumferentially again, the first movable frame moves to the outer side of the second movable frame and moves longitudinally synchronously with the second movable frame for a period of time, and then moves obliquely reversely until returning to the outer side of the second movable frame again and moves longitudinally synchronously with the second movable frame for a period of time, and the second movable frame reciprocate; obtaining the hemp-polyester blended yarn.
CN202311016145.6A 2023-08-14 2023-08-14 Degradable crease-resistant flax fabric and preparation method thereof Pending CN116876136A (en)

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CN202311016145.6A CN116876136A (en) 2023-08-14 2023-08-14 Degradable crease-resistant flax fabric and preparation method thereof

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CN202311016145.6A CN116876136A (en) 2023-08-14 2023-08-14 Degradable crease-resistant flax fabric and preparation method thereof

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