CN113445169B - Preparation method of breathable and comfortable flax/tencel wet-spun blended yarn - Google Patents
Preparation method of breathable and comfortable flax/tencel wet-spun blended yarn Download PDFInfo
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- CN113445169B CN113445169B CN202110564288.5A CN202110564288A CN113445169B CN 113445169 B CN113445169 B CN 113445169B CN 202110564288 A CN202110564288 A CN 202110564288A CN 113445169 B CN113445169 B CN 113445169B
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- tencel
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- soluble vinylon
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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
- D02G3/24—Bulked yarns or threads, e.g. formed from staple fibre components with different relaxation characteristics
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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
- D10B2201/20—Cellulose-derived artificial fibres
- D10B2201/22—Cellulose-derived artificial fibres made from cellulose solutions
-
- 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
- D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D10B2321/06—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polymers of unsaturated alcohols, e.g. polyvinyl alcohol, or of their acetals or ketals
Abstract
The invention relates to a preparation method of breathable and comfortable flax/tencel wet-spun blended yarn, and belongs to the technical field of spinning. The invention relates to a preparation method of breathable and comfortable flax/tencel wet-spun blended yarn, which is characterized in that tencel and water-soluble vinylon are blended into roving; boiling and bleaching flax roving, feeding the flax roving and tencel/water-soluble vinylon mixed roving together on a wet spinning frame for mixing again to obtain flax/tencel/water-soluble vinylon blended yarn; and finally, boiling and dissolving in an aqueous solution to obtain the breathable comfortable flax/tencel wet-spun blended yarn. The invention has scientific and reasonable design, and the prepared product has good yarn forming index, fluffy and comfortable yarn hand feeling and good air permeability.
Description
Technical Field
The invention relates to a preparation method of breathable and comfortable flax/tencel wet-spun blended yarn, and belongs to the technical field of spinning.
Background
With the development of society, the living standard of people is increasingly improved, and people pay more attention to comfort, functions and environmental protection of clothes. Flax is a natural cellulose fiber, and the product of the flax has cool, stiff and smooth feeling, clean feeling, good air permeability and moisture permeability, bacteriostasis and other excellent performances, so the flax is widely applied to summer clothing fabrics. The hemicellulose contained in the flax also has the function of absorbing ultraviolet rays and prevents the ultraviolet rays from irradiating human bodies, thereby playing the roles of protecting the skin, preventing magnetism and resisting radiation. Flax has many advantages, so it is very popular. However, the flax fabrics have hard hand feeling and poor drapability, and can generate a certain itching feeling on human skin when being worn, and the problems also restrict the further development of flax clothes in the textile industry. Therefore, the key point of linen yarn research is to improve the serviceability of linen fabrics.
The tencel fiber is a regenerated cellulose fiber, has the characteristics of high strength, comfort, good hand feeling, natural luster and the like of natural fiber cotton, and has the advantage of environmental protection which is not possessed by the traditional viscose fiber. The tencel fiber also has good spinnability and blending property, and can improve certain defects of natural fibers when being blended with the natural fibers. And the tencel fiber can be split into fibrils along the axial direction of the fiber under the action of mechanical friction in a wet state, so that the blended yarn generates a fluff effect, and the hand feeling of the yarn fabric is improved. Therefore, the tencel and the flax can play the role of the tencel to the maximum extent by adopting a wet spinning mode, improve the hand feeling of the flax fabric, reduce the itching feeling and enhance the comfort and the taking performance.
The water-soluble vinylon is also called water-soluble polyvinyl alcohol, can be dissolved in water at a certain temperature, is tasteless and nontoxic after being dissolved in the water, can be naturally decomposed in a short time, and has no pollution to the environment. The characteristics of solubility of the water-soluble vinylon are utilized, the vinylon can be added into the flax blended yarn and then removed, the yarn structure is fluffy, and the yarn comfort is improved.
At present, the main production mode of the flax wet blended yarn is siro wet spinning, namely, flax roving and blended fiber are mixed on a spinning machine, the yarn style is that two strands of fiber are in a spiral twisted shape, and the appearance style of the yarn is single.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the preparation method of the air-permeable comfortable flax/tencel wet-spun blended yarn overcomes the defects of the prior art, the design is scientific and reasonable, the yarn forming index of the prepared product is good, and the yarn is fluffy and comfortable in hand feeling and good in air permeability.
The invention relates to a preparation method of breathable and comfortable flax/tencel wet-spun blended yarn, which is characterized in that tencel and water-soluble vinylon are blended into roving; boiling and bleaching flax roving, feeding the flax roving and tencel/water-soluble vinylon mixed roving together on a wet spinning frame for mixing again to obtain flax/tencel/water-soluble vinylon blended yarn; and finally, boiling and dissolving in an aqueous solution to obtain the breathable comfortable flax/tencel wet-spun blended yarn.
Preferably, the method specifically comprises the following steps:
(1) And (3) hackling: putting flax into a hackling machine to prepare flax strips;
(2) Drawing: 4-6 ramie stripes in the step (1) are combined and drafted into a coarse ramie stripe through a drawing frame, and 2-4 times of drawing are carried out;
(3) Roving: preparing the coarse ramie stripes obtained in the step (2) into flax roves through a roving frame;
(4) Blend of tencel/water soluble vinylon: mixing, opening and carding the tencel and the water-soluble vinylon through a cotton mixer, an opening scutcher and a carding machine to prepare tencel/water-soluble vinylon mixed thick strips;
(5) Drawing: 4-6 tencel/water-soluble vinylon mixed thick strips in the step (4) are drafted into a mixed thick strip through a drawing frame, and drawing is carried out for 2-4 times;
(6) Roving: preparing the mixed roving in the step (5) into tencel/water-soluble vinylon mixed roving through a roving frame;
(7) Wet spinning of spun yarn: feeding the linen roving in the step (3) and the tencel/water-soluble vinylon blended roving in the step (6) into a wet spinning frame together, wherein the linen roving passes through a water tank, the tencel/water-soluble vinylon blended roving does not pass through the water tank, and the two rovings are drafted and twisted by the spinning frame to form linen/tencel/water-soluble vinylon blended yarn;
(8) And boiling the flax/tencel/water-soluble vinylon blended yarn in an aqueous solution, removing vinylon, and drying to obtain the flax/tencel blended yarn.
Preferably, the flax is long fibrilia with the length of 400-600mm.
Preferably, the tencel length is 30-90mm.
Preferably, the water-soluble vinylon has a length of 4-38mm.
Preferably, the tencel accounts for 10% -30% of the mass of the flax raw material.
Preferably, the water-soluble vinylon accounts for 10-30% of the mass of the flax raw material.
Preferably, in the step (7), the space between the flax roving and the tencel/water-soluble vinylon blended roving during drafting is 1-4mm.
Preferably, in the step (7), the single yarn twist coefficient of the flax in the blended yarn is 450-600, and the longitudinal direction is S twist.
Preferably, in the step (8), the temperature of the aqueous solution is 80-100 ℃ and the time for removing vinylon is 1-4 hours.
The pure linen yarn has the defects of hard hand feeling and strong scratchiness of clothes. The siro wet spinning method adopted in the prior art uses a method of blending tencel with tencel, which can improve the hand feeling and comfort of flax fabrics, but causes poor air permeability of the fabrics. The invention utilizes the characteristic that water-soluble fiber is dissolved in water to obtain tencel/water-soluble vinylon/flax blended yarn after the water-soluble vinylon and the tencel are blended into the roving and then are blended with the flax roving. The yarn spun by the method not only has the advantages of flax and tencel, but also has bulked yarn structure and increased fabric air permeability after the water-soluble vinylon is removed. The invention has the innovation point that blended raw materials and water-soluble fibers are mixed and spun into roving, and then the roving and the flax roving are mixed and spun and are withdrawn.
Compared with the prior art, the invention achieves the following beneficial effects:
the invention has scientific and reasonable design, and the prepared product has good yarn forming index, fluffy and comfortable yarn hand feeling and good air permeability.
Drawings
FIG. 1 is a schematic diagram of a simple operation structure of the wet spinning frame of the present invention;
in the figure: 1. coarse sand of tencel/vinylon; 2. and (5) pressing coarse sand.
Detailed Description
The present invention will be further described with reference to the following examples.
Example 1
A preparation method of breathable and comfortable flax wet-spun blended yarn specifically comprises the following steps:
step one, carrying out flax hackling: putting flax into a hackling machine to prepare flax strips.
Step two, drawing: and (4) drawing 6 ramie stripes in the previous step into a coarse ramie stripe by a drawing frame and drawing.
Step three, roving: and (4) preparing the coarse ramie stripes in the previous step into flax roves through a roving frame.
Fourthly, mixing the tencel and the water-soluble vinylon: mixing, opening and carding the tencel and the water-soluble vinylon by a cotton mixer, an opening scutcher and a cotton carding machine to prepare the tencel/water-soluble vinylon mixed thick strips.
Fifthly, drawing: and (3) mixing and drawing the 6 tencel/water-soluble vinylon rough strips in the previous step into a mixed rough strip by a drawing frame, and drawing for 4 times.
Step six, roving: and (3) preparing the mixed roving in the previous step into tencel/water-soluble vinylon mixed roving through a roving frame.
Step seven, wet spinning spun yarns: and (3) feeding the flax roving in the third step and the tencel/water-soluble vinylon blended roving in the sixth step into a wet spinning frame together, wherein the flax roving passes through a water tank, the tencel/water-soluble vinylon blended roving does not pass through the water tank, and the flax/tencel/water-soluble vinylon blended yarn is prepared after the two rovings are drafted and twisted by the spinning frame.
And eighthly, boiling the flax/tencel/water-soluble vinylon blended yarn in an aqueous solution, removing vinylon, and drying to obtain the flax/tencel blended yarn.
In the above, the flax is long fibrilia with the length of 480mm; the length of the tencel is 88mm; the length of the water-soluble vinylon is 35mm.
In the above, tencel accounts for 10% of the mass of the flax raw material; the water-soluble vinylon accounts for 10% of the mass of the flax raw material.
In the above, the interval between the flax roving and the tencel/water-soluble vinylon mixed roving is 3mm when the spun yarn is drafted; the single yarn twist coefficient is 450, and the direction is S twist.
In the above, the temperature of the vinylon-removed aqueous solution was 100 ℃ and the removing time was 1 hour.
Example 2
A preparation method of breathable and comfortable flax wet-spun blended yarn specifically comprises the following steps:
step one, carrying out flax hackling: putting flax into a hackling machine to prepare flax strips.
Step two, drawing: and (4) drawing 6 ramie stripes in the previous step into a coarse ramie stripe by a drawing frame and drawing.
Step three, roving: and (4) preparing the coarse ramie stripes in the previous step into flax roves through a roving frame.
Fourthly, mixing the tencel and the water-soluble vinylon: mixing, opening and carding the tencel and the water-soluble vinylon through a cotton mixer, an opening scutcher and a cotton carding machine to prepare tencel/water-soluble vinylon mixed thick strips.
Fifthly, drawing: and (3) mixing and drawing the 6 tencel/water-soluble vinylon rough strips in the previous step into a mixed rough strip by a drawing frame, and drawing for 4 times.
Step six, roving: and (3) preparing the mixed roving in the previous step into tencel/water-soluble vinylon mixed roving through a roving frame.
Step seven, wet spinning spun yarns: and (3) feeding the flax roving in the third step and the tencel/water-soluble vinylon blended roving in the sixth step into a wet spinning frame together, wherein the flax roving passes through a water tank, the tencel/water-soluble vinylon blended roving does not pass through the water tank, and the flax/tencel/water-soluble vinylon blended yarn is prepared after the two rovings are drafted and twisted by the spinning frame.
And eighthly, boiling the flax/tencel/water-soluble vinylon blended yarn in an aqueous solution, removing vinylon, and drying to obtain the flax/tencel blended yarn.
In the above, the flax is long fibrilia with the length of 480mm; the length of the tencel is 88mm; the length of the water-soluble vinylon is 35mm.
In the above, tencel accounts for 20% of the flax raw material by mass; the water-soluble vinylon accounts for 10% of the mass of the flax raw material.
In the above, the interval between the flax roving and the tencel/water-soluble vinylon mixed roving is 2mm when the spun yarn is drafted; the single yarn twist coefficient is 500, and the direction is S twist.
In the above, the temperature of the vinylon-removed aqueous solution was 80 ℃ and the removing time was 4 hours.
Example 3
A preparation method of breathable and comfortable flax wet-spun blended yarn specifically comprises the following steps:
step one, hackling: putting flax into a hackling machine to prepare flax strips.
Step two, drawing: and (4) drawing 6 ramie stripes in the previous step into a coarse ramie stripe by a drawing frame and drawing.
Step three, roving: and (4) preparing the roving strips in the previous step into flax roving through a roving frame.
Fourthly, mixing the tencel and the water-soluble vinylon: mixing, opening and carding the tencel and the water-soluble vinylon by a cotton mixer, an opening scutcher and a cotton carding machine to prepare the tencel/water-soluble vinylon mixed thick strips.
Fifthly, drawing: and (3) mixing and drawing the 6 tencel/water-soluble vinylon rough strips in the previous step into a mixed rough strip by a drawing frame, and drawing for 4 times.
Step six, roving: and (3) preparing the thick strips mixed in the previous step into tencel/water-soluble vinylon blended thick yarns by a roving frame.
Step seven, wet spinning spun yarns: and (3) feeding the flax roving in the third step and the tencel/water-soluble vinylon blended roving in the sixth step into a wet spinning frame together, wherein the flax roving passes through a water tank, the tencel/water-soluble vinylon blended roving does not pass through the water tank, and the flax/tencel/water-soluble vinylon blended yarn is prepared after the two rovings are drafted and twisted by the spinning frame.
And eighthly, boiling the flax/tencel/water-soluble vinylon blended yarn in an aqueous solution, removing vinylon, and drying to obtain the flax/tencel blended yarn.
Preferably, the flax is long fibrilia with the length of 480mm; the length of the tencel is 88mm; the length of the water-soluble vinylon is 35mm.
In the above, tencel accounts for 10% of the mass of the flax raw material; the water-soluble vinylon accounts for 20% of the mass of the flax raw material.
In the above, the interval between the flax roving and the tencel/water-soluble vinylon blended roving is 4mm when the spun yarn is drafted; the single yarn twist factor is 550, and the direction is S twist.
In the above, the temperature of the aqueous solution for removing vinylon is 90 ℃, and the removing time is 2 hours.
Comparative example 1
A preparation method of flax wet-spun blended yarn comprises the following steps of:
no water soluble vinylon is added, and vinylon is not required to be removed.
The blended yarns prepared in examples 1-3 and comparative example 1 were tested for relevant properties and the results are shown in Table 1.
TABLE 1 comparison of air-permeable hand feeling of fabrics
| Comparison group | Air permeability mm/s | Hand feeling |
| Example 1 | 522 | Is soft and flexible |
| Example 2 | 485 | Is softer |
| Example 3 | 558 | Is softer |
| Comparative experiment group | 440 | Is softer |
By contrast, the method has the advantage that the air permeability of the fabric is obviously improved after the water-soluble vinylon is added and boiled and removed.
Of course, the foregoing is only a preferred embodiment of the invention and should not be taken as limiting the scope of the embodiments of the invention. The present invention is not limited to the above examples, and equivalent changes and modifications made by those skilled in the art within the spirit and scope of the present invention should be construed as being included in the scope of the present invention.
Claims (6)
1. A preparation method of breathable and comfortable flax/tencel wet-spun blended yarn is characterized by comprising the following steps: blending tencel and water-soluble vinylon into roving; boiling and bleaching flax roving, feeding the flax roving and tencel/water-soluble vinylon mixed roving together on a wet spinning frame for mixing again to obtain flax/tencel/water-soluble vinylon blended yarn; finally boiling in water solution, dissolving to obtain the breathable comfortable flax/tencel wet-spun blended yarn;
the preparation method of the breathable comfortable flax/tencel wet-spun blended yarn comprises the following steps:
(1) And (3) hackling: putting flax into a hackling machine to prepare flax strips;
(2) Drawing: drawing a plurality of ramie stripes in the step (1) into a coarse ramie stripe through a drawing frame, and drawing for a plurality of times;
(3) Roving: preparing the rough ramie strips in the step (2) into flax roving through a roving machine;
(4) Blend of tencel/water soluble vinylon: mixing, opening and carding the tencel and the water-soluble vinylon through a cotton mixer, an opening scutcher and a carding machine to prepare tencel/water-soluble vinylon mixed thick strips;
(5) Drawing: a plurality of tencel/water-soluble vinylon mixed thick strips in the step (4) are drafted into a mixed thick strip through a drawing frame, and multiple-pass drawing is carried out;
(6) Roving: preparing the mixed roving in the step (5) into tencel/water-soluble vinylon mixed roving through a roving frame;
(7) Wet spinning of spun yarn: feeding the linen roving in the step (3) and the tencel/water-soluble vinylon blended roving in the step (6) into a wet spinning frame together, wherein the linen roving passes through a water tank, the tencel/water-soluble vinylon blended roving does not pass through the water tank, and the two rovings are drafted and twisted by the spinning frame to form linen/tencel/water-soluble vinylon blended yarn;
(8) Boiling the flax/tencel/water-soluble vinylon blended yarn in an aqueous solution, removing vinylon, and drying to obtain the flax/tencel blended yarn;
the tencel accounts for 10% -30% of the mass of the flax raw material;
the water-soluble vinylon accounts for 10-30% of the mass of the flax raw material.
2. The method of making a breathable, conformable flax/tencel wet-spun yarn blend of claim 1, wherein: the flax is long fibrilia with the length of 400-600mm; the length of the tencel is 30-90mm; the length of the water-soluble vinylon is 4-38mm.
3. The method for preparing the air-permeable comfortable flax/tencel wet-spun blended yarn as claimed in claim 1, wherein the method comprises the following steps: in the step (2), 4-6 ramie stripes are combined and drafted into a coarse ramie stripe, and 2-4 times of drawing are carried out.
4. The method of making a breathable, conformable flax/tencel wet-spun yarn blend of claim 1, wherein: in the step (5), 4-6 tencel/water-soluble vinylon mixed thick slivers are combined and drafted into a mixed thick sliver, and drawing is carried out for 2-4 times.
5. The method for preparing the air-permeable comfortable flax/tencel wet-spun blended yarn as claimed in claim 1, wherein the method comprises the following steps: in the step (7), the interval between the flax roving and the tencel/water-soluble vinylon blended roving during drafting is 1-4m, and the preparation method of the air-permeable comfortable flax/tencel wet-spun blended yarn according to claim 1 is characterized in that: in the step (7), the single yarn twist coefficient of the flax in the blended yarn is 450-600, and the idea direction is S twist.
6. The method of making a breathable, conformable flax/tencel wet-spun yarn blend of claim 1, wherein: in the step (8), the temperature of the aqueous solution is 80-100 ℃ when the vinylon is removed, and the removing time is 1-4 hours.
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| CN102011230B (en) * | 2010-11-15 | 2013-01-16 | 东华大学 | Method for producing flax wet-spun high count yarns and strands by Sirofil |
| CN201952580U (en) * | 2010-12-07 | 2011-08-31 | 天津天纺投资控股有限公司 | Tencel and polyvinyl acetate (PVA) blended light silk-like fabric |
| CN105926094A (en) * | 2016-06-29 | 2016-09-07 | 江苏华信亚麻纺织有限公司 | Vinylon-flax wet-spun high-count yarn or plied yarn and production method thereof |
| CN109234874A (en) * | 2018-08-03 | 2019-01-18 | 上海纺织（集团）大丰纺织有限公司 | A kind of tencel fiber, flax fiber blended yarn and its spinning process |
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| CN102268757A (en) * | 2011-07-08 | 2011-12-07 | 菏泽银河纺织有限责任公司 | Dogbane, vinylon and long stapled cotton spinning production process |
| CN103469430A (en) * | 2013-09-16 | 2013-12-25 | 吴江市海丰喷织有限公司 | Multifunctional wear-resistant fabric |
| CN104562345A (en) * | 2015-01-20 | 2015-04-29 | 江苏悦达纺织集团有限公司 | Carrier type vortex spinning tencel/combed cotton blended yarn and weaving method thereof |
| CN106087200A (en) * | 2016-08-24 | 2016-11-09 | 江苏华信亚麻纺织有限公司 | A kind of silk fiber and flax fiber blended knitting fabrics |
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