CN111560688A - Mercerized elastic fabric with XLA fibers coated with flax and preparation method thereof - Google Patents
Mercerized elastic fabric with XLA fibers coated with flax and preparation method thereof Download PDFInfo
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- CN111560688A CN111560688A CN202010391196.7A CN202010391196A CN111560688A CN 111560688 A CN111560688 A CN 111560688A CN 202010391196 A CN202010391196 A CN 202010391196A CN 111560688 A CN111560688 A CN 111560688A
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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
- D03D15/50—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
- D03D15/56—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 elastic
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- 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
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- 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
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
- D02G3/32—Elastic yarns or threads ; Production of plied or cored yarns, one of which is elastic
- D02G3/328—Elastic yarns or threads ; Production of plied or cored yarns, one of which is elastic containing elastane
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- 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
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
- D02G3/36—Cored or coated yarns or threads
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- 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
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
- D02G3/40—Yarns in which fibres are united by adhesives; Impregnated yarns or threads
- D02G3/404—Yarns or threads coated with polymeric solutions
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- 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
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- 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
- D10B2201/10—Bamboo
Abstract
The invention discloses a mercerized elastic fabric with XLA fibers coated with flax and a preparation method thereof, wherein the elastic fabric is formed by spinning flax elastic core-spun yarns; the flax elastic core-spun yarn comprises flax fibers, XLA elastic fibers and a middle layer; the invention adds the middle layer between the flax spun yarn and the XLA elastic fiber filament, and has stable structure, high elastic recovery degree and high tearing strength between layers.
Description
Technical Field
The invention relates to a mercerized elastic fabric with XLA fibers coated with flax and a preparation method thereof.
Background
Linen has a long history and enjoys a reputation throughout the world, and even today, fabrics such as silk, pure cotton, wool, rayon and the like are well developed, linen still occupies an irreplaceable and expensive position. The natural air permeability, hygroscopicity, refreshing property and drainability of the flax make the flax a freely breathing textile, the indoor temperature sensitivity of the human body can be reduced by 4-8 ℃ at normal temperature, and the flax is called as a natural air conditioner. At present, the flax elastic fabric is generally woven by forming flax elastic core-spun yarns through wrapping elastic fiber filaments with flax, but the flax fibers of the flax elastic yarns have poor adhesion with the elastic fiber filaments, and the flax fibers and the elastic fiber filaments can be separated after long-time use, so that the product quality problem is caused.
Disclosure of Invention
Aiming at the defects of the prior art, the invention solves the problems that: the mercerized elastic fabric with the flax-coated XLA fibers and the advantages of firm structure and high elastic recovery degree and the preparation method thereof are provided.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
the mercerized elastic fabric with the XLA fibers coated with the flax is formed by spinning flax elastic core-spun yarns; the flax elastic core-spun yarn comprises flax fibers, XLA elastic fibers and a middle layer; the middle layer is attached to the periphery of the outer side of the XLA elastic fiber; the flax fibers are coated on the periphery of the outer side of the middle layer; the intermediate layer comprises the following components in parts by weight: 10-20 parts of nano aluminum oxide, 5-10 parts of hexagonal boron nitride, 20-30 parts of bamboo fiber and 10-15 parts of epoxy resin.
Further, the intermediate layer comprises the following components in parts by weight: 15 parts of nano aluminum oxide, 16 parts of hexagonal boron nitride, 25 parts of bamboo fiber, 6 parts of magnesium carbonate and 15 parts of epoxy resin.
A preparation method of mercerized elastic fabric with XLA fibers coated with flax comprises the following steps:
s1, flax treatment: selecting raw ramie with the cracking index of more than or equal to 250 branches, and beating the raw ramie into ramie; spraying an aqueous solution containing a humidifying agent on the ramie for humidifying; then, making the ramie stripes by a slivering machine, and spinning the ramie stripes into roving by the drawing machine in sequence; sequentially carrying out compound enzyme degumming treatment, piling, acid washing, sub-bleaching, alkali washing, oxygen bleaching and water washing on the rough yarn; twisting the rough yarn into spun yarn by using a fine spinning machine; drying and spooling the flax spun yarn;
s2, configuring a middle layer; grinding bamboo fibers into powder, mixing nano-alumina powder, hexagonal boron nitride powder, bamboo fiber powder and epoxy resin powder according to a ratio, adding water, and stirring for later use to obtain an interlayer paste;
s3, coating an intermediate layer: introducing the interlayer paste into a dipping tank, passing the XLA elastic fiber filament through the interlayer paste, and finally heating at 30-50 ℃ for 5-10 min to form the XLA elastic fiber filament coated with the interlayer;
s4, core-spun: spinning the flax spun yarn in the step S1 and the XLA elastic fiber filament coated with the middle layer in the step S3 into flax elastic core-spun yarn with the flax coated with the middle layer by a spinning machine; heating and curing the flax elastic core-spun yarn at the temperature of 120-130 ℃ for 15-20 min to improve the adhesion of the flax spun yarn, the middle layer and the XLA elastic fiber filament;
s5, weaving; the elastic flax core-spun yarn is used for weaving the mercerized elastic fabric, and the prepared mercerized elastic fabric is sequentially subjected to cloth turning, end sewing, desizing, alkali boiling, oxygen bleaching, singeing, mercerizing, primary sizing, dyeing, soft tentering, preshrinking and secondary sizing to obtain the mercerized elastic fabric.
Further, moisture is preserved for 18-36 hours in the step S1; the drawing frame has 5 lines in total.
Further, in the step S1, four enzymes, namely pectinase, lipase, xylanase and cellophane, are taken and compounded according to the ratio of 3:2:1:1, and then are subjected to three-stage fermentation to prepare degumming enzyme liquid; the degumming is carried out by immersing the flax roving into degumming enzyme liquid for 1 hour for biological degumming.
Further, the mass ratio of the water addition amount to each component in the step S2 is 2:1, and the stirring time is 20-30 min.
Further, in step S4, a speed reducer and a frequency converter are installed on the spinning frame to control the drafting of the XLA spandex filament, and a tension controller is additionally installed to straighten the yarn.
Further, in the step S5, a positive-negative light singeing is adopted, the oil amount is controlled at 18kg/h, the vehicle speed is 120m/min, and the singeing quality reaches 3 levels.
Further, in the step S5, the temperature of primary shaping is 150-155 ℃; the temperature of secondary shaping is 170-180 ℃.
The invention has the advantages of
1. According to the invention, the middle layer is additionally arranged between the flax spun yarn and the XLA elastic fiber filament, the middle layer contains nano aluminum oxide, hexagonal boron nitride, bamboo fiber and epoxy resin, and the nano aluminum oxide improves the dispersibility and the fluidity of the whole component, so that the XLA elastic fiber filament is smoother when passing through the middle layer paste, excessive middle layer paste is prevented from being coated on the XLA elastic fiber filament, and the uniform dispersibility of the whole system is improved; the hexagonal boron nitride is of a hexahedral crystal superposed structure and has a great surface ratio, so that the adhesion of the middle layer to the XLA elastic fiber filament and the flax spun yarn is improved; the epoxy resin provides a certain bonding effect in a synergistic manner; the defects of air permeability and moisture absorption performance brought to the product by the arrangement of the middle layer can be made up through the high air permeability and moisture absorption performance of the bamboo fiber, the components are cooperatively matched to obtain the middle layer suitable for the bamboo fiber composite material, the connection strength is improved, and meanwhile, the air permeability and moisture absorption performance are not influenced.
Detailed Description
The present invention will be described in further detail below.
Example 1
The mercerized elastic fabric with the XLA fibers coated with the flax is formed by spinning flax elastic core-spun yarns; the flax elastic core-spun yarn comprises flax fibers, XLA elastic fibers and a middle layer; the middle layer is attached to the periphery of the outer side of the XLA elastic fiber; the flax fibers are coated on the periphery of the outer side of the middle layer; the intermediate layer comprises the following components in parts by weight: 10 parts of nano aluminum oxide, 5 parts of hexagonal boron nitride, 20 parts of bamboo fiber and 10 parts of epoxy resin.
A preparation method of mercerized elastic fabric with XLA fibers coated with flax comprises the following steps:
s1, flax treatment: selecting raw ramie with the cracking index of more than or equal to 250 branches, and beating the raw ramie into ramie; spraying an aqueous solution containing a humidifying agent on the ramie for humidifying; then, making the ramie stripes by a slivering machine, and spinning the ramie stripes into roving by the drawing machine in sequence; sequentially carrying out compound enzyme degumming treatment, piling, acid washing, sub-bleaching, alkali washing, oxygen bleaching and water washing on the rough yarn; twisting the rough yarn into spun yarn by using a fine spinning machine; drying and spooling the flax spun yarn; moisture preservation is carried out for 18 hours; 5 drawing frames in total; compounding pectinase, lipase, xylanase and cellophane according to the ratio of 3:2:1:1, and performing three-stage fermentation to obtain degumming enzyme liquid; the degumming is carried out by immersing the flax roving into degumming enzyme liquid for 1 hour for biological degumming.
S2, configuring a middle layer; grinding bamboo fibers into powder, mixing nano-alumina powder, hexagonal boron nitride powder, bamboo fiber powder and epoxy resin powder according to a ratio, adding water, and stirring for later use to obtain an interlayer paste; the mass ratio of the water addition amount to the components is 2:1, and the stirring time is 20 min.
S3, coating an intermediate layer: and (3) introducing the interlayer paste into a dipping tank, passing the XLA elastic fiber filament through the interlayer paste, and finally heating at 30 ℃ for 5min to form the XLA elastic fiber filament coated with the interlayer.
S4, core-spun: spinning the flax spun yarn in the step S1 and the XLA elastic fiber filament coated with the middle layer in the step S3 into flax elastic core-spun yarn with the flax coated with the middle layer by a spinning machine; heating and curing the flax elastic core-spun yarn at 120 ℃ for 15min to improve the adhesion of the flax spun yarn, the middle layer and the XLA elastic fiber filament; a spinning frame is provided with a speed reducer and a frequency converter to finish controllable drafting of XLA elastic fiber filaments, and a tension controller is additionally arranged to enable yarns to be straighter.
S5, weaving; weaving the flax elastic core-spun yarn into the mercerized elastic fabric, and sequentially carrying out cloth turning, end sewing, desizing, alkali boiling, oxygen bleaching, singeing, mercerizing, primary sizing, dyeing, soft tentering, preshrinking and secondary sizing on the prepared mercerized elastic fabric to obtain the mercerized elastic fabric; the method comprises the following steps of (1) carrying out forward-reverse light singeing, controlling the oil quantity at 18kg/h, controlling the vehicle speed at 120m/min, and enabling the singeing quality to reach 3 grades; the temperature of primary shaping is 150 ℃; the temperature for secondary setting is 170 ℃.
Example 2
The mercerized elastic fabric with the XLA fibers coated with the flax is formed by spinning flax elastic core-spun yarns; the flax elastic core-spun yarn comprises flax fibers, XLA elastic fibers and a middle layer; the middle layer is attached to the periphery of the outer side of the XLA elastic fiber; the flax fibers are coated on the periphery of the outer side of the middle layer; the intermediate layer comprises the following components in parts by weight: 15 parts of nano aluminum oxide, 16 parts of hexagonal boron nitride, 25 parts of bamboo fiber and 15 parts of epoxy resin.
A preparation method of mercerized elastic fabric with XLA fibers coated with flax comprises the following steps:
s1, flax treatment: selecting raw ramie with the cracking index of more than or equal to 250 branches, and beating the raw ramie into ramie; spraying an aqueous solution containing a humidifying agent on the ramie for humidifying; then, making the ramie stripes by a slivering machine, and spinning the ramie stripes into roving by the drawing machine in sequence; sequentially carrying out compound enzyme degumming treatment, piling, acid washing, sub-bleaching, alkali washing, oxygen bleaching and water washing on the rough yarn; twisting the rough yarn into spun yarn by using a fine spinning machine; drying and spooling the flax spun yarn; moisture is kept for 28 hours; 5 drawing frames in total; compounding pectinase, lipase, xylanase and cellophane according to the ratio of 3:2:1:1, and performing three-stage fermentation to obtain degumming enzyme liquid; the degumming is carried out by immersing the flax roving into degumming enzyme liquid for 1 hour for biological degumming.
S2, configuring a middle layer; grinding bamboo fibers into powder, mixing nano-alumina powder, hexagonal boron nitride powder, bamboo fiber powder and epoxy resin powder according to a ratio, adding water, and stirring for later use to obtain an interlayer paste; the mass ratio of the water addition amount to the components is 2:1, and the stirring time is 25 min.
S3, coating an intermediate layer: and (3) introducing the interlayer paste into a dipping tank, passing the XLA elastic fiber filament through the interlayer paste, and finally heating at 40 ℃ for 8min to form the XLA elastic fiber filament coated with the interlayer.
S4, core-spun: spinning the flax spun yarn in the step S1 and the XLA elastic fiber filament coated with the middle layer in the step S3 into flax elastic core-spun yarn with the flax coated with the middle layer by a spinning machine; heating and curing the flax elastic core-spun yarn for 18min at the temperature of 125 ℃ to improve the adhesion of the flax spun yarn, the middle layer and the XLA elastic fiber filament; a spinning frame is provided with a speed reducer and a frequency converter to finish controllable drafting of XLA elastic fiber filaments, and a tension controller is additionally arranged to enable yarns to be straighter.
S5, weaving; weaving the flax elastic core-spun yarn into the mercerized elastic fabric, and sequentially carrying out cloth turning, end sewing, desizing, alkali boiling, oxygen bleaching, singeing, mercerizing, primary sizing, dyeing, soft tentering, preshrinking and secondary sizing on the prepared mercerized elastic fabric to obtain the mercerized elastic fabric; the method comprises the following steps of (1) carrying out forward-reverse light singeing, controlling the oil quantity at 18kg/h, controlling the vehicle speed at 120m/min, and enabling the singeing quality to reach 3 grades; the temperature of primary shaping is 152 ℃; the temperature for the secondary setting was 175 ℃.
Example 3
The mercerized elastic fabric with the XLA fibers coated with the flax is formed by spinning flax elastic core-spun yarns; the flax elastic core-spun yarn comprises flax fibers, XLA elastic fibers and a middle layer; the middle layer is attached to the periphery of the outer side of the XLA elastic fiber; the flax fibers are coated on the periphery of the outer side of the middle layer; the intermediate layer comprises the following components in parts by weight: 20 parts of nano aluminum oxide, 10 parts of hexagonal boron nitride, 30 parts of bamboo fiber and 15 parts of epoxy resin.
A preparation method of mercerized elastic fabric with XLA fibers coated with flax comprises the following steps:
s1, flax treatment: selecting raw ramie with the cracking index of more than or equal to 250 branches, and beating the raw ramie into ramie; spraying an aqueous solution containing a humidifying agent on the ramie for humidifying; then, making the ramie stripes by a slivering machine, and spinning the ramie stripes into roving by the drawing machine in sequence; sequentially carrying out compound enzyme degumming treatment, piling, acid washing, sub-bleaching, alkali washing, oxygen bleaching and water washing on the rough yarn; twisting the rough yarn into spun yarn by using a fine spinning machine; drying and spooling the flax spun yarn; keeping moisture for 36 hours; 5 drawing frames in total; compounding pectinase, lipase, xylanase and cellophane according to the ratio of 3:2:1:1, and performing three-stage fermentation to obtain degumming enzyme liquid; the degumming is carried out by immersing the flax roving into degumming enzyme liquid for 1 hour for biological degumming.
S2, configuring a middle layer; grinding bamboo fibers into powder, mixing nano-alumina powder, hexagonal boron nitride powder, bamboo fiber powder and epoxy resin powder according to a ratio, adding water, and stirring for later use to obtain an interlayer paste; the mass ratio of the water addition amount to the components is 2:1, and the stirring time is 30 min.
S3, coating an intermediate layer: and (3) introducing the interlayer paste into a dipping tank, passing the XLA elastic fiber filament through the interlayer paste, and finally heating at 50 ℃ for 10min to form the XLA elastic fiber filament coated with the interlayer.
S4, core-spun: spinning the flax spun yarn in the step S1 and the XLA elastic fiber filament coated with the middle layer in the step S3 into flax elastic core-spun yarn with the flax coated with the middle layer by a spinning machine; heating and curing the flax elastic core-spun yarn at the temperature of 130 ℃ for 20min to improve the adhesion of the flax spun yarn, the middle layer and the XLA elastic fiber filament; a spinning frame is provided with a speed reducer and a frequency converter to finish controllable drafting of XLA elastic fiber filaments, and a tension controller is additionally arranged to enable yarns to be straighter.
S5, weaving; weaving the flax elastic core-spun yarn into the mercerized elastic fabric, and sequentially carrying out cloth turning, end sewing, desizing, alkali boiling, oxygen bleaching, singeing, mercerizing, primary sizing, dyeing, soft tentering, preshrinking and secondary sizing on the prepared mercerized elastic fabric to obtain the mercerized elastic fabric; the method comprises the following steps of (1) carrying out forward-reverse light singeing, controlling the oil quantity at 18kg/h, controlling the vehicle speed at 120m/min, and enabling the singeing quality to reach 3 grades; the temperature of primary shaping is 155 ℃; the temperature of the secondary shaping is 180 ℃.
According to the invention, the middle layer is additionally arranged between the flax spun yarn and the XLA elastic fiber filament, the middle layer contains nano aluminum oxide, hexagonal boron nitride, bamboo fiber, magnesium carbonate and epoxy resin, and the nano aluminum oxide improves the dispersibility and the fluidity of the whole component, so that the XLA elastic fiber filament is smoother when passing through a middle layer paste material, excessive middle layer paste material is prevented from being coated on the XLA elastic fiber filament, and the uniform dispersibility of the whole system is improved; the hexagonal boron nitride is of a hexahedral crystal superposed structure and has a great surface ratio, so that the adhesion of the middle layer to the XLA elastic fiber filament and the flax spun yarn is improved; the epoxy resin provides a certain bonding effect in a synergistic manner; the defects of air permeability and moisture absorption performance brought to the product by the arrangement of the middle layer can be made up through the high air permeability and moisture absorption of the bamboo fiber, and the middle layer suitable for the invention is obtained by the synergistic cooperation of the components.
The performance of the flax stretch core-spun yarn of the present invention was tested as follows.
As can be seen from the above, the structural strength, elastic recovery properties, and tear strength between layers of the present invention all reach high levels.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. The mercerized elastic fabric with the XLA fibers coated with the flax is characterized in that the elastic fabric is formed by spinning flax elastic core-spun yarns; the flax elastic core-spun yarn comprises flax fibers, XLA elastic fibers and a middle layer; the middle layer is attached to the periphery of the outer side of the XLA elastic fiber; the flax fibers are coated on the periphery of the outer side of the middle layer; the intermediate layer comprises the following components in parts by weight: 10-20 parts of nano aluminum oxide, 5-10 parts of hexagonal boron nitride, 20-30 parts of bamboo fiber and 10-15 parts of epoxy resin.
2. The mercerized elastic fabric made of flax-coated XLA fibers according to claim 1, wherein the intermediate layer comprises the following components in parts by weight: 15 parts of nano aluminum oxide, 16 parts of hexagonal boron nitride, 25 parts of bamboo fiber and 15 parts of epoxy resin.
3. A preparation method of mercerized elastic fabric with XLA fibers coated with flax is characterized by comprising the following steps:
s1, flax treatment: selecting raw ramie with the cracking index of more than or equal to 250 branches, and beating the raw ramie into ramie; spraying an aqueous solution containing a humidifying agent on the ramie for humidifying; then, making the ramie stripes by a slivering machine, and spinning the ramie stripes into roving by the drawing machine in sequence; sequentially carrying out compound enzyme degumming treatment, piling, acid washing, sub-bleaching, alkali washing, oxygen bleaching and water washing on the rough yarn; twisting the rough yarn into spun yarn by using a fine spinning machine; drying and spooling the flax spun yarn;
s2, configuring a middle layer; grinding bamboo fibers into powder, mixing nano-alumina powder, hexagonal boron nitride powder, bamboo fiber powder and epoxy resin powder according to a ratio, adding water, and stirring for later use to obtain an interlayer paste;
s3, coating an intermediate layer: introducing the interlayer paste into a dipping tank, passing the XLA elastic fiber filament through the interlayer paste, and finally heating at 30-50 ℃ for 5-10 min to form the XLA elastic fiber filament coated with the interlayer;
s4, core-spun: spinning the flax spun yarn in the step S1 and the XLA elastic fiber filament coated with the middle layer in the step S3 into flax elastic core-spun yarn with the flax coated with the middle layer by a spinning machine; heating and curing the flax elastic core-spun yarn at the temperature of 120-130 ℃ for 15-20 min to improve the adhesion of the flax spun yarn, the middle layer and the XLA elastic fiber filament;
s5, weaving; the elastic flax core-spun yarn is used for weaving the mercerized elastic fabric, and the prepared mercerized elastic fabric is sequentially subjected to cloth turning, end sewing, desizing, alkali boiling, oxygen bleaching, singeing, mercerizing, primary sizing, dyeing, soft tentering, preshrinking and secondary sizing to obtain the mercerized elastic fabric.
4. The method for preparing the mercerized elastic fabric of flax-coated XLA fibers according to claim 3, wherein the moisture in the step S1 is kept for 18-36 hours; the drawing frame has 5 lines in total.
5. The method for preparing the mercerized elastic fabric with flax coated with XLA fibers according to claim 3, wherein in step S1, four enzymes of pectinase, lipase, xylanase and cellophane are taken and compounded according to a ratio of 3:2:1:1, and then are subjected to three-stage fermentation to prepare degumming enzyme liquid; the degumming is carried out by immersing the flax roving into degumming enzyme liquid for 1 hour for biological degumming.
6. The method for preparing the mercerized elastic fabric of flax-coated XLA fibers according to claim 3, wherein the mass ratio of the water addition amount to each component in the step S2 is 2:1, and the stirring time is 20-30 min.
7. The method for preparing the mercerized elastic fabric with the XLA fibers covered by flax according to claim 3, wherein in step S4, a speed reducer and a frequency converter are installed on a spinning frame to complete controllable drafting of XLA elastic fiber filaments, and a tension controller is additionally installed to make the yarns straighter.
8. The method for preparing the mercerized elastic fabric of flax-coated XLA fibers according to claim 3, wherein in the step S5, normal-reverse light singeing is adopted, the oil amount is controlled at 18kg/h, the vehicle speed is 120m/min, and the singeing quality reaches 3 levels.
9. The method for preparing the mercerized elastic fabric of flax-coated XLA fibers according to claim 3, wherein in the step S5, the temperature of primary shaping is 150-155 ℃; the temperature of secondary shaping is 170-180 ℃.
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| CN113529227A (en) * | 2021-07-29 | 2021-10-22 | 江苏华信亚麻纺织有限公司 | Elastic breathable fabric based on hollow core-spun yarn and preparation process thereof |
| CN113529226A (en) * | 2021-07-29 | 2021-10-22 | 江苏华信亚麻纺织有限公司 | Built-in flax coated XLA elastic fiber core-spun yarn and preparation process thereof |
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