CN112981636A - Blended yarn and preparation method thereof - Google Patents
Blended yarn and preparation method thereof Download PDFInfo
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- CN112981636A CN112981636A CN202110148042.XA CN202110148042A CN112981636A CN 112981636 A CN112981636 A CN 112981636A CN 202110148042 A CN202110148042 A CN 202110148042A CN 112981636 A CN112981636 A CN 112981636A
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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
- 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
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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
- D10B2201/02—Cotton
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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
- D10B2201/24—Viscose
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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
- D10B2211/00—Protein-based fibres, e.g. animal fibres
- D10B2211/01—Natural animal fibres, e.g. keratin fibres
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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
- 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
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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
- D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D10B2321/10—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polymers of unsaturated nitriles, e.g. polyacrylonitrile, polyvinylidene cyanide
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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
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/02—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyamides
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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
- 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]
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
The invention provides a blended yarn and a preparation method thereof. The blended yarn comprises a water-soluble vinylon fiber component and a main fiber component which are mutually doped; the mass ratio of the water-soluble vinylon fiber component to the main fiber component is (5-80): 20-95). The blended yarn provided by the invention comprises the water-soluble vinylon fiber component and the main fiber component which are mutually doped, the water-soluble fiber is dissolved after the blended yarn is woven into the fabric, the internal space of the yarn is enlarged, more hollow points and grooves are generated, the linear density is reduced, and the static air is increased, so that the fabric is light and soft.
Description
The application is a divisional application with application date of 2018, 1, 30 and application number of 201810089492.4 and invented name of 'a blended yarn and a preparation method thereof', and applies for the human Zhengqian.
Technical Field
The invention relates to the technical field of spinning, in particular to blended yarn and a preparation method thereof.
Background
The textile is a product formed by processing and weaving textile fibers and is divided into woven fabric and knitted fabric. China is one of the earliest countries producing textiles in the world, has a long cultural inheritance, has the capability of producing synthetic fibers from the fact that ancient people adopt natural fibers, hemp, cotton, wool and the like to manufacture textiles necessary for people to modern people, and has unprecedented breakthrough and development in the aspect of textile raw materials.
In the prior art, how to develop a light, thin and soft fabric which is breathable and hygroscopic and can maintain a perfect appearance is a main purpose of researching the application of water-soluble fibers.
Disclosure of Invention
The invention aims to provide a blended yarn and a preparation method thereof, the blended yarn comprises a water-soluble vinylon fiber component and a main fiber component which are mutually doped, after the blended yarn is woven into a fabric, the water-soluble fiber is dissolved, the internal gap of the yarn is enlarged, more hollow points and grooves are generated, the linear density is reduced, the static air is increased, and the fabric is light, breathable and soft.
In order to achieve the above object, the present invention provides the following technical solutions:
the invention provides a preparation method of blended yarn mixed in a blowing process, which comprises the following steps:
(1) mixing a water-soluble vinylon fiber raw material and a main fiber raw material, and then carrying out blowing treatment to obtain a mixed blowing material;
the main fiber is one or more of cotton fiber, hemp fiber, wool fiber, polyester fiber, acrylic fiber, nylon fiber and viscose fiber;
(2) carding the mixed cotton cleaning material to obtain mixed strips;
(3) carrying out one-time drawing treatment on the mixed sliver in a mode of combining a plurality of slivers and feeding in parallel to obtain primary slivers;
carrying out secondary drawing processing on the primary drawing in a mode of multi-strand parallel feeding to obtain secondary drawing;
(4) and carrying out roving treatment and spun yarn treatment on the secondary strips in sequence to obtain the blended yarn.
The present invention provides another method of preparing a blended yarn mixed in a drawing process, comprising the steps of:
(1) respectively carrying out blowing treatment on the water-soluble vinylon fiber raw material and the main body fiber raw material to obtain a water-soluble vinylon fiber blowing material and a main body fiber blowing material;
the main fiber is one or more of cotton fiber, hemp fiber, wool fiber, polyester fiber, acrylic fiber, nylon fiber and viscose fiber;
(2) carding the water-soluble vinylon fiber cotton cleaning material and the main fiber cotton cleaning material respectively to obtain a water-soluble vinylon fiber strip and a main fiber strip;
(3) drawing the water-soluble vinylon fiber strips and the main fiber strips to obtain combined drawn strips;
(4) and carrying out roving treatment and spun yarn treatment on the combined drawing in sequence to obtain the blended yarn.
Preferably, the feeding states of the water-soluble vinylon fiber strips and the main fiber strips in the drawing treatment process are as follows: the water-soluble vinylon fiber strips are arranged in the middle of the main body fiber strip in parallel.
Preferably, the drawing treatment is level 1 drawing treatment, the drawing treatment comprises N levels of drawing treatment, N is more than or equal to 2, and N is a natural number;
the N-level drawing treatment comprises the following steps: drawing m N-1-level combined strips obtained by the N-1-level drawing treatment to obtain N-level combined strips, wherein m is more than or equal to 2;
the feeding state of the N-1-level combined drawing in the N-level drawing processing process is as follows: are arranged in parallel.
The invention provides a preparation method of blended yarn mixed in a spinning process, which comprises the following steps:
(1) respectively carrying out blowing treatment on the water-soluble vinylon fiber raw material and the main body fiber raw material to obtain a water-soluble vinylon fiber blowing material and a main body fiber blowing material;
the main fiber is one or more of cotton fiber, hemp fiber, wool fiber, polyester fiber, acrylic fiber, nylon fiber and viscose fiber;
(2) carding the water-soluble vinylon fiber cotton cleaning material and the main fiber cotton cleaning material respectively to obtain a water-soluble vinylon fiber strip and a main fiber strip;
(3) drawing the water-soluble vinylon fiber strips and the main fiber strips respectively to obtain combined water-soluble vinylon fiber strips and combined main fiber strips;
(4) carrying out roving treatment on the combined water-soluble vinylon fiber strips and the combined main fiber strips respectively to obtain water-soluble vinylon fiber rovings and main fiber rovings;
(5) spinning the water-soluble vinylon fiber rough yarn and the main fiber rough yarn to obtain blended yarn mixed in a spinning process;
the feeding state of the spun yarn treatment is as follows: 1 water-soluble vinylon fiber roving and 1 main fiber roving are arranged and fed in a left-right parallel mode.
Preferably, the spun yarn processing includes a drawing stage and a twisting stage which are sequentially performed;
the back zone drafting multiple of the drafting stage is 1-2;
the twisting coefficient of the twisting stage is 300-400.
Preferably, the fineness of the water-soluble vinylon fiber raw material is 1.22-2.0 dtex, the length is 30-72 mm, and the water-soluble temperature is 0-100 ℃.
Preferably, the length of the cotton fiber is 25-35 mm, and the fineness of the cotton fiber is 1.5-1.7 dtex;
the fineness of the fibrilia is 1.7-1.9 dtex, and the length of the fibrilia is less than or equal to 38 mm;
the fineness of the wool fibers is 9-13 dtex, and the length of the wool fibers is 30-150 mm;
the fineness of the polyester fiber is 1.6-1.8 dtex, and the length of the polyester fiber is 38-51 mm;
the fineness of the acrylic fiber is 1.6-1.8 dtex, and the length of the acrylic fiber is 30-50 mm;
the fineness of the nylon fiber is 2.5-4 dtex, and the length of the nylon fiber is 30-50 mm;
the fineness of the viscose fiber is 1.6-1.8 dtex, and the length of the viscose fiber is 30-60 mm.
The invention also provides the blended yarn obtained by the preparation method in the technical scheme, which comprises a water-soluble vinylon fiber component and a main fiber component which are mutually doped.
Preferably, the mass ratio of the water-soluble vinylon fiber component to the main fiber component is (5-80): 20-95).
The invention provides a blended yarn, which comprises a water-soluble vinylon fiber component and a main fiber component which are mutually doped; the mass ratio of the water-soluble vinylon fiber component to the main fiber component is (5-80): 20-95). The blended yarn provided by the invention comprises the mutually-doped water-soluble vinylon fiber component and the main fiber component, the water-soluble fiber is dissolved after the blended yarn is woven into a fabric, the internal space of the yarn is enlarged, more hollow points and grooves are generated, the linear density is reduced, and the static air is increased, so that the fabric is light and soft. The cross-sectional area of the yarn of the blended yarn obtained in example 1 of the present application was 0.01314 μm2The total number of the yarn sections is about 117, wherein the cotton fiber accounts for about 94, the water-soluble vinylon fiber accounts for about 23, and the water-soluble vinylon is dissolved to form the yarn gaps.
The invention also provides a preparation method of the blended yarn, and the preparation method is simple and convenient to operate and easy to implement.
Drawings
FIG. 1 is a schematic representation of the construction of a yarn blend obtained in example 1;
FIG. 2 is a schematic cross-sectional view of a yarn blend obtained in example 1;
FIG. 3 is a schematic representation of the construction of the yarn blend obtained in example 2;
FIG. 4 is a schematic cross-sectional view of a yarn blend obtained in example 2;
FIG. 5 is a schematic representation of the construction of the yarn blend obtained in example 3;
FIG. 6 is a schematic cross-sectional view of a blended yarn obtained in example 3;
FIG. 7 is a schematic representation of the construction of the yarn blend obtained in example 4;
FIG. 8 is a schematic cross-sectional view of a blended yarn obtained in example 4;
FIG. 9 is a schematic representation of the construction of the yarn blend obtained in example 5;
FIG. 10 is a schematic cross-sectional view of a yarn blend obtained in example 5;
in fig. 1 to 10, dark colors represent water-soluble vinylon fibers, and light colors represent main fibers.
Detailed Description
The invention provides a preparation method of blended yarn mixed in a blowing process, which comprises the following steps:
(1) mixing a water-soluble vinylon fiber raw material and a main fiber raw material, and then carrying out blowing treatment to obtain a mixed blowing material;
the main fiber is one or more of cotton fiber, hemp fiber, wool fiber, polyester fiber, acrylic fiber, nylon fiber and viscose fiber;
(2) carding the mixed cotton cleaning material to obtain mixed strips;
(3) carrying out one-time drawing treatment on the mixed sliver in a mode of combining a plurality of slivers and feeding in parallel to obtain primary slivers;
carrying out secondary drawing processing on the primary drawing in a mode of multi-strand parallel feeding to obtain secondary drawing;
(4) and carrying out roving treatment and spun yarn treatment on the secondary strips in sequence to obtain the blended yarn.
According to the invention, the water-soluble vinylon fiber raw material and the main fiber raw material are mixed and then subjected to blowing treatment, so that the mixed blowing material is obtained. In the invention, the fineness of the water-soluble vinylon fiber raw material is preferably 1.22-2.0 dtex, more preferably 1.3-1.6 dtex, and most preferably 1.4-1.5 dtex; the length is preferably 30-72 mm, more preferably 35-45 mm, and most preferably 40 mm; the water-soluble temperature is preferably 0-100 ℃, more preferably 10-90 ℃, and most preferably 40-60 ℃. In a specific embodiment of the invention, the water-soluble vinylon fiber raw material is a commercially available source, has excellent water solubility and high hydrophilic hygroscopicity, and has a dimension specification of 1.22dtex 38mm, 1.33dtex 38mm, 1.44dtex 38mm, 1.56dtex 38mm or 1.7dtex 38mm, and a water solubility specification of 90 ℃, 80 ℃, 70 ℃, 60 ℃, 50 ℃, 40 ℃, 30 ℃ or 20 ℃.
In the invention, the main fiber is one or more of cotton fiber, hemp fiber, wool fiber, polyester fiber, acrylic fiber, nylon fiber and viscose fiber. In the present invention, when the host fiber is preferably a plurality of kinds among the above specific choices, the respective host fiber raw materials are preferably mixed in equal mass.
In the invention, the length of the cotton fiber is preferably 25-35 mm, and more preferably 28-30 mm; the fineness is preferably 1.5-1.7 dtex, and more preferably 1.6 dtex; the moisture regain is preferably 7.5-9.5%, and more preferably 8.5%; the maturity coefficient is preferably 1.5-1.6, and more preferably 1.53-1.55; the short fiber rate is preferably less than or equal to 8.8%, more preferably 2-8%, and most preferably 4-6%. In the invention, the cotton fiber has good spinnability, and the fabric prepared from the cotton fiber as a raw material is sweat-absorbent, is not easy to generate static electricity, and is comfortable to wear.
In the invention, the fineness of the fibrilia is preferably 1.7-1.9 dtex, and more preferably 1.8 dtex; the length is preferably less than or equal to 38mm, and more preferably 10-30 mm; the moisture regain is preferably 10 to 15%, more preferably 12 to 13%. In the invention, the fibrilia is preferably flax fiber and/or ramie fiber, and has good hygroscopicity.
In the invention, the fineness of the wool fiber is preferably 9-13 dtex, more preferably 10-12 dtex, and most preferably 11 dtex; the length is preferably 30-150 mm, more preferably 50-120 mm, and most preferably 80-100 mm; the moisture regain is preferably 13 to 17%, and more preferably 15%. In the present invention, the wool fiber is preferably a wool fiber.
In the invention, the fineness of the polyester fiber is preferably 1.6-1.8 dtex, and more preferably 1.7 dtex; the length is preferably 38-51 mm, more preferably 40-48 mm, and most preferably 43-45 mm; the moisture regain is preferably 0.3 to 0.5%, more preferably 0.4%. In a specific embodiment of the invention, the specification of the polyester fiber is specifically 1.7dtex 38mm or 1.7dtex 51 mm. In the invention, the polyester fiber has the characteristics of heat resistance, wear resistance, worm damage resistance and good stability, the fabric obtained by using the polyester fiber as a raw material has stable size, is easy to wash and dry, and has good wearability, and the performance of easy generation of static electricity can be improved by blending the polyester fiber with the water-soluble fiber.
In the invention, the fineness of the acrylic fiber is preferably 1.6-1.8 dtex, and more preferably 1.7 dtex; the length is preferably 30-50 mm, more preferably 35-45 mm, and most preferably 40-42 mm; the moisture regain is preferably 1.5 to 2.5%, more preferably 2%. In a specific embodiment of the invention, the acrylic fiber has a specific size of 1.7dtex 38 mm. In the invention, the acrylic fiber has the characteristics of heat resistance, wear resistance, worm damage resistance and good stability, and the performance of easily generating static electricity can be improved by blending with the water-soluble fiber.
In the invention, the fineness of the polyamide fiber is preferably 2.5-4 dtex, and more preferably 3-3.5 dtex; the length is preferably 30-50 mm, more preferably 35-45 mm, and most preferably 40-42 mm; the moisture regain is preferably 4 to 5%, and more preferably 4.5%. In a specific embodiment of the invention, the specification of the nylon fiber is 3.3dtex 38 mm. In the invention, the nylon fiber has the characteristics of heat resistance, wear resistance, worm resistance and good stability.
In the invention, the fineness of the viscose fibers is preferably 1.6-1.8 dtex, and more preferably 1.7 dtex; the length is preferably 30-60 mm, more preferably 35-45 mm, and most preferably 40-42 mm; the moisture regain is preferably 12 to 14%, and more preferably 13%. In a particular embodiment of the invention, the size of the viscose fibres is in particular 1.7dtex 38 mm. In the invention, the viscose fiber has the characteristic of good moisture absorption, and the fabric obtained by taking the viscose fiber as a raw material has good moisture absorption and is comfortable to wear.
The present invention does not require any particular source of the host fiber, and any commercially available product of the above specific host fibers known to those skilled in the art may be used.
The invention has no special requirements for the specific implementation process of the blowing treatment, and can be carried out by adopting the blowing process well known by the technical personnel in the field. According to the invention, the water-soluble vinylon fiber raw material and the main body fiber raw material are preferably uniformly mixed and then are subjected to blowing, so that the plucker can uniformly grab. The invention preferably replaces the beater of the common cotton opener with the card wire roller and controls the speed of the lap roller to be 10-15 r/min, preferably 12-13 r/min. In order to reduce the layering of the cotton rolls, the invention is additionally provided with a device for winding the roving head, so that the cotton rolls are prevented from being adhered and can be rolled smoothly.
After the mixed cotton cleaning material is obtained, the cotton carding machine carries out cotton carding treatment on the mixed cotton cleaning material to obtain mixed strips. The invention has no special requirements on the specific implementation process of the cotton carding treatment and can be carried out by adopting the cotton carding process well known by the technical personnel in the field. In the specific embodiment of the invention, the cotton carding treatment adopts a process principle of proper space and slow speed, the space of the cover plate is 9, 8, 8, 8 and 9 five-point space, and the running speed of the doffer is 19 r/min.
After the mixed sliver is obtained, the invention carries out one-step drawing treatment on the mixed sliver in a mode of multi-strand parallel feeding to obtain primary sliver; and carrying out secondary drawing processing on the primary drawing in a mode of multi-strand parallel feeding to obtain secondary drawing. The invention has no special requirements for the specific implementation modes of the primary drawing treatment and the secondary drawing treatment, and can be carried out by adopting a drawing mode which is well known by the technical personnel in the field. In the invention, the number of the primary drawing treatment and the secondary drawing treatment is preferably 5-10, and more preferably 8.
After the secondary sliver is obtained, the roving treatment is carried out on the secondary sliver. The roving treatment method of the invention has no special requirements, and the roving treatment process known to those skilled in the art can be adopted. In the invention, the twist factor of the roving treatment process is preferably 90-110, more preferably 95-105, and most preferably 100. In the specific embodiment of the invention, the roving process adopts small back zone drafting of 1.242 to improve the roving evenness and increase the holding force on the fiber bundle; the nip was 6.5mm and the roller was 5mm forward to reduce breakage.
After the roving treatment, the blended yarn obtained by the roving treatment is subjected to spinning treatment to obtain the blended yarn. The invention has no special requirements on the implementation method of the spun yarn treatment, and the spun yarn treatment process known by the technical personnel in the field can be adopted. In the present invention, the weight of the spun yarn treatment process is, for example, 30s, preferably (1.9 to 2) g/100m, and more preferably 1.94g/100 m. In the invention, the twist factor of the spun yarn treatment process is preferably 340-360, and more preferably 350. In the specific embodiment of the invention, the yarn cleaner gauge is 2.0, and the front leather roller is a 65-degree soft rubber roller.
The present invention provides another method of preparing a blended yarn mixed in a drawing process, comprising the steps of:
(1) respectively carrying out blowing treatment on the water-soluble vinylon fiber raw material and the main body fiber raw material to obtain a water-soluble vinylon fiber blowing material and a main body fiber blowing material;
the main fiber is one or more of cotton fiber, hemp fiber, wool fiber, polyester fiber, acrylic fiber, nylon fiber and viscose fiber;
(2) carding the water-soluble vinylon fiber cotton cleaning material and the main fiber cotton cleaning material respectively to obtain a water-soluble vinylon fiber strip and a main fiber strip;
(3) drawing the water-soluble vinylon fiber strips and the main fiber strips to obtain combined drawn strips;
(4) and carrying out roving treatment and spun yarn treatment on the combined drawing in sequence to obtain the blended yarn.
The invention respectively carries out the blowing treatment on the water-soluble vinylon fiber raw material and the main fiber raw material to obtain the water-soluble vinylon fiber blowing material and the main fiber blowing material. In this embodiment, the requirements of the water-soluble vinylon fiber raw material and the main fiber raw material are as described above, and are not described herein again.
The invention has no special requirements on the specific implementation process of the blowing treatment, and can be carried out by adopting the blowing process well known by the technical personnel in the field, and the specific water-soluble vinylon fiber raw material adopts the process of 'two boxes and one knife' and is beaten by using a card wire; the main fiber raw material adopts a two-box two-knife process and is beaten by a blade. In the invention, the opening treatment can independently realize the opening, impurity removal, uniform mixing and coiling of the water-soluble vinylon fiber raw material and the main fiber raw material.
After the water-soluble vinylon fiber pattern removing material and the main body fiber pattern removing material are obtained, cotton carding is respectively carried out on the water-soluble vinylon fiber pattern removing material and the main body fiber pattern removing material to obtain a water-soluble vinylon fiber strip and a main body fiber strip. The invention has no special requirements on the specific implementation process of the cotton carding treatment and can be carried out by adopting the cotton carding process well known by the technical personnel in the field. In the specific embodiment of the invention, the water-soluble vinylon fiber pattern cleaning material adopts a process principle of proper gauge and proper carding and slow speed, the gauge of a cover plate is 12, 10, 10, 10, 12 five-point gauge, and the running speed of a doffer is 18 r/min; the main fiber pattern clearing material adopts a process principle of tight spacing and strong carding slow speed, the cover plate spacing is 8, 7, 7, 7 and 8 five-point spacing, and the running speed of a doffer is 18 r/min.
After the water-soluble vinylon fiber strips and the main fiber strips are obtained, the water-soluble vinylon fiber strips and the main fiber strips are subjected to drawing treatment to obtain combined drawing. In the present invention, the feeding state of the water-soluble vinylon fiber strands and the main fiber strands during the drawing treatment is preferably: the water-soluble vinylon fiber strips are arranged in the middle of the main body fiber strip in parallel. In the invention, when the number of the main fiber strips is even, the main fiber strips are uniformly distributed and then are respectively arranged at two ends of the water-soluble vinylon fiber strips in parallel; when the number of the main fiber strips is the base number, the main fiber strips are divided into two parts by the difference number of 1, and the two parts are arranged at the two ends of the water-soluble vinylon fiber strips in parallel in an arbitrary arrangement mode.
In the invention, the drawing treatment is 1-level drawing treatment according to the technical scheme, the drawing treatment totally comprises N-level drawing treatment, N is more than or equal to 2, and N is a natural number; the N-level drawing treatment comprises the following steps: and drawing the N-1-level combined strips obtained by drawing m N-1-level combined strips to obtain N-level combined strips, wherein m is more than or equal to 2, and preferably 6 or 8. In the invention, the feeding state of the N-1-level drawing in the N-level drawing processing process is as follows: the components are arranged in parallel without special requirements. In the invention, the drafting multiple of the back zone in each stage of drawing treatment process is independently preferably 1.5-3, and more preferably 2.
After the combined sliver is obtained, the roving treatment is carried out on the combined sliver. The roving treatment method of the invention does not have any special requirements, and the roving treatment process known to those skilled in the art can be adopted. In the invention, the twist factor of the roving treatment process is preferably 90-110, more preferably 85-105, and most preferably 100; the drafting gauge block is 4.5 mm. In the invention, the fineness of the combined strip after roving treatment is preferably 4-6 g/10m, more preferably 4.5-5.5 g/10m, and most preferably 4.8-5 g/10 m.
After the roving treatment, the spun yarn treatment is carried out on the combined sliver obtained by the roving treatment, so as to obtain the blended yarn. The method for implementing the spun yarn treatment in the step does not have any special requirements, and the spun yarn treatment process known by the person skilled in the art can be adopted. In the invention, the back zone draft multiple of the spun yarn treatment process is preferably 1-1.5, and more preferably 1.2-1.3; the draft gauge block was 2.5.
The invention also provides a preparation method of the blended yarn mixed in the spinning process, which comprises the following steps:
(1) respectively carrying out blowing treatment on the water-soluble vinylon fiber raw material and the main body fiber raw material to obtain a water-soluble vinylon fiber blowing material and a main body fiber blowing material;
the main fiber is one or more of cotton fiber, hemp fiber, wool fiber, polyester fiber, acrylic fiber, nylon fiber and viscose fiber;
(2) carding the water-soluble vinylon fiber cotton cleaning material and the main fiber cotton cleaning material respectively to obtain a water-soluble vinylon fiber strip and a main fiber strip;
(3) drawing the water-soluble vinylon fiber strips and the main fiber strips respectively to obtain combined water-soluble vinylon fiber strips and combined main fiber strips;
(4) carrying out roving treatment on the combined water-soluble vinylon fiber strips and the combined main fiber strips respectively to obtain water-soluble vinylon fiber rovings and main fiber rovings;
(5) spinning the water-soluble vinylon fiber rough yarn and the main fiber rough yarn to obtain blended yarn mixed in a spinning process;
the feeding state of the spun yarn treatment is as follows: 1 water-soluble vinylon fiber roving and 1 main fiber roving are arranged and fed in a left-right parallel mode.
The invention respectively carries out the blowing treatment on the water-soluble vinylon fiber raw material and the main fiber raw material to obtain the water-soluble vinylon fiber blowing material and the main fiber blowing material. In this embodiment, the requirements of the water-soluble vinylon fiber raw material and the main fiber raw material are as described above, and are not described herein again.
The present invention does not require any particular source of the host fiber, and any commercially available product of the above specific host fibers known to those skilled in the art may be used.
The invention has no special requirements on the specific implementation process of the blowing treatment, and can be carried out by adopting the blowing process well known by the technical personnel in the field, and the specific water-soluble vinylon fiber raw material adopts the process of 'two boxes and one knife' and is beaten by using a card wire; the main fiber raw material adopts a two-box two-knife process and is beaten by a blade. In the invention, the opening treatment can independently realize the opening, impurity removal, uniform mixing and coiling of the water-soluble vinylon fiber raw material and the main fiber raw material.
After the water-soluble vinylon fiber pattern removing material and the main body fiber pattern removing material are obtained, cotton carding is respectively carried out on the water-soluble vinylon fiber pattern removing material and the main body fiber pattern removing material to obtain a water-soluble vinylon fiber strip and a main body fiber strip. The invention has no special requirements on the specific implementation process of the cotton carding treatment and can be carried out by adopting the cotton carding process well known by the technical personnel in the field. In the specific embodiment of the invention, the water-soluble vinylon fiber pattern cleaning material adopts a process principle of proper gauge and proper carding and slow speed, the gauge of a cover plate is 12, 10, 10, 10, 12 five-point gauge, and the running speed of a doffer is 18 r/min; the main fiber pattern clearing material adopts a process principle of tight spacing and strong carding slow speed, the cover plate spacing is 8, 7, 7, 7 and 8 five-point spacing, and the running speed of a doffer is 18 r/min.
After the water-soluble vinylon fiber strips and the main fiber strips are obtained, the invention respectively carries out drawing treatment on the water-soluble vinylon fiber strips and the main fiber strips to obtain combined water-soluble vinylon fiber strips and combined main fiber strips. In the invention, the water-soluble vinylon fiber strips and the main fiber strips are respectively drawn in a mode of feeding 8 fibers in parallel twice. The water-soluble fiber slivers are combined for the second time in a drawing process, the first time of combination is called head combination, 8 water-soluble fiber raw slivers with the same weight are discharged from a carding machine, the water-soluble fiber slivers are fed into a drafting area of a drawing machine in parallel to be combined and drafted to obtain semi-drawn slivers with certain weight for the second time of combination, the second time of combination is called end combination, the water-soluble fiber slivers are fed into an end and drawing area of the drawing machine in parallel to form the semi-drawn slivers with the same weight for the 8 semi-drawn slivers with the same weight for the second time of combination to obtain drawn slivers with certain weight for the next roving process. The main fiber strips are also combined twice in the drawing process, the first combination is also called head combination, 8 main fiber raw strips with the same weight are taken from a carding machine, the drafting area of the parallel feeding drawing machine is combined and drafted to obtain semi-drawn strips with certain weight for the second combination, the second combination is the last combination and is also called end combination, the drafting area of the parallel feeding end and drawing machine with 8 semi-drawn strips with the same weight is combined and drafted again to obtain drawn strips with certain weight for the next roving process.
In a specific embodiment of the invention, the drawing gauge of the water-soluble vinylon fiber strips is 7 × 16mm, and the back zone draft multiple is 1.797; the drawing gauge of the main fiber is 4 x 10mm, and the back zone draft multiple is 1.438.
After the combined water-soluble vinylon fiber strips and the combined main fiber strips are obtained, the roving treatment is respectively carried out on the combined water-soluble vinylon fiber strips and the combined main fiber strips, and the water-soluble vinylon fiber roving and the main fiber roving are obtained. The roving treatment method of the invention does not have any special requirements, and the roving treatment process known to those skilled in the art can be adopted. In the invention, the twist factor of the roving treatment process of the combined water-soluble vinylon fiber strips is preferably 70-90, more preferably 75-85, and most preferably 80, and the drafting gauge block adopts 6.5; the twist factor of the roving treatment process of the combined main fiber strip is preferably 100-120, more preferably 105-115, and most preferably 110, and the drafting gauge block adopts 4.5.
In the invention, the fineness of the water-soluble vinylon fiber roving is preferably 1-3 g/10m, and more preferably 1.9-2.2 g/10 m; the fineness of the main fiber strips after roving treatment is preferably 7-8 g/10m, and more preferably 7.5-7.6 g/10 m.
After the roving treatment, the invention carries out spinning treatment on the water-soluble vinylon fiber roving and the main fiber roving to obtain the blended yarn mixed in the spinning process. In the present invention, the feeding state of the spun yarn processing is: feeding the water-soluble vinylon fiber roving and the main fiber roving into a binocular bell mouth simultaneously in a left-to-right mode; the spinning treatment comprises a drafting stage and a twisting stage which are sequentially carried out, and in the drafting stage, the water-soluble vinylon fiber roving and the main fiber roving are still kept in parallel left and right. In the invention, the drafting multiple of the back zone of the drafting stage is preferably 1-2, and more preferably 1.43-1.5; the twisting coefficient of the twisting stage is preferably 300-400, and more preferably 350; the yarn cleaner gauge is 2.0, and the front leather roller adopts a rubber roller with 70 degrees.
In the invention, after the spun yarn treatment is finished, the yarn obtained by the spun yarn treatment of the three technical schemes is preferably wound for better storage and transportation. The invention has no special requirements on the operation method of spooling, and can be carried out by adopting a spooling process known by the technical personnel in the field. In a specific embodiment of the invention, the spooling uses air splicing.
The invention also provides the blended yarn obtained by the preparation method in the technical scheme, which comprises a water-soluble vinylon fiber component and a main fiber component which are mutually doped. In the invention, the mass ratio of the water-soluble vinylon fiber component to the main fiber component is preferably (5-80): 20-95), more preferably (10-30): 70-90, and most preferably 20: 80. The blended yarn provided by the invention comprises the mutually-doped water-soluble vinylon fiber component and the main fiber component, the water-soluble fiber is dissolved after the blended yarn is woven into a fabric, the internal space of the yarn is enlarged, more hollow points and grooves are generated, the linear density is reduced, and the static air is increased, so that the fabric is light and soft.
The blended yarn and the method for producing the same provided by the present invention will be described in detail with reference to the following examples, which should not be construed as limiting the scope of the present invention.
Example 1
The cotton fiber with the fineness of 1.6dtex, the moisture regain of 8.5 percent, the maturity coefficient of 1.53 and the short staple rate of 8.5 percent is used as the main fiber raw material. 1.22dtex 38mm water-soluble vinylon fiber at 80 ℃ is used as raw material.
And uniformly mixing the water-soluble vinylon fiber raw material and the main fiber raw material according to the mass ratio of 2:8, and then carrying out blowing to obtain a mixed blowing material. In the blowing process, the rotating speed of the roller is 12 r/min.
And carrying out cotton carding treatment on the mixed cotton cleaning material to obtain a mixed sliver. The method specifically comprises the following steps: the process principle of proper spacing and slow speed is adopted, the spacing of the cover plate is 9, 8, 8, 8 and 9 five-point spacing, and the running speed of a doffer is 19 r/min.
Carrying out one-time drawing treatment on 8 mixed slivers in a mode of combining 8 mixed slivers and feeding the slivers in parallel to obtain first-level slivers; and carrying out secondary drawing processing on the primary drawing in a mode of 8 parallel feeding in a combined mode to obtain secondary drawing.
Carrying out roving treatment on the secondary strips: the twist coefficient in the roving treatment process is 100, the small back zone drafting of 1.242 is adopted to improve the roving evenness, and the holding force to the fiber bundle is increased; the jaw is 6.5mm, and the leather roller is 5mm in advance to reduce broken ends
And (3) carrying out spun yarn treatment on the mixed sliver obtained by the roving treatment to obtain the blended yarn by taking 30s as an example: the weight is 1.94g/100m, the twist factor is preferably 350, the yarn cleaner gauge is 2.0, and the front leather roller is a soft rubber roller with the temperature of 65 ℃.
The blended yarn obtained in this example has a structure as shown in fig. 1 and 2, and cotton fibers and water-soluble vinylon fibers are intermingled with each other to form a yarn with a blended structure.
Example 2
The cotton fiber with the fineness of 1.6dtex, the moisture regain of 8.5 percent, the maturity coefficient of 1.53 and the short staple rate of 8.5 percent is used as the main fiber raw material. 1.22dtex 38mm water-soluble vinylon fiber at 80 ℃ is used as raw material.
Respectively carrying out blowing treatment on the water-soluble vinylon fiber raw material and the main body fiber raw material to obtain a water-soluble vinylon fiber blowing material and a main body fiber blowing material. Specifically, the water-soluble vinylon fiber raw material adopts a two-box one-knife process, and is beaten by a comb needle; the main fiber raw material adopts a two-box two-knife process and is beaten by a blade.
And carding the obtained water-soluble vinylon fiber cotton cleaning material and the main fiber cotton cleaning material respectively to obtain a water-soluble vinylon fiber strip and a main fiber strip. Specifically, the water-soluble vinylon fiber pattern cleaning material adopts a process principle of proper gauge and proper carding and slow speed, the gauge of a cover plate is 12, 10, 10, 10 and 12 five-point gauge, and the running speed of a doffer is 18 r/min; the main fiber pattern clearing material adopts a process principle of tight spacing and strong carding slow speed, the cover plate spacing is 8, 7, 7, 7 and 8 five-point spacing, and the running speed of a doffer is 18 r/min.
Mixing and drawing the water-soluble vinylon fiber strips and the main fiber strips: the water-soluble vinylon fiber strips are arranged in the middle of the main fiber strips in parallel in the feeding state of 1 water-soluble vinylon fiber strip and 4 main fiber strips, wherein two main fiber strips are arranged on two sides of the water-soluble vinylon fiber strips.
After the mixed sliver is obtained, performing roving treatment on the mixed sliver: the twist factor of the roving treatment process is 100; the draft gauge block was 4.5.
Carrying out spun yarn treatment on the mixed sliver obtained by the roving treatment to obtain blended yarn: the back zone draft multiple of the spun yarn treatment process is 1.2; the draft gauge block was 2.5.
The blended yarn obtained in this example has a structure as shown in fig. 3 and 4, and the cotton fiber and the water-soluble vinylon fiber are intermingled with each other to form a yarn having a blended structure.
Example 3
The cotton fiber with the fineness of 1.6dtex, the moisture regain of 8.5 percent, the maturity coefficient of 1.53 and the short staple rate of 8.5 percent is used as the main fiber raw material. 1.22dtex 38mm water-soluble vinylon fiber at 80 ℃ is used as raw material.
Respectively carrying out blowing treatment on the water-soluble vinylon fiber raw material and the main body fiber raw material to obtain a water-soluble vinylon fiber blowing material and a main body fiber blowing material. Specifically, the water-soluble vinylon fiber raw material adopts a two-box one-knife process, and is beaten by a comb needle; the main fiber raw material adopts a two-box two-knife process and is beaten by a blade.
And carding the obtained water-soluble vinylon fiber cotton cleaning material and the main fiber cotton cleaning material respectively to obtain a water-soluble vinylon fiber strip and a main fiber strip. Specifically, the water-soluble vinylon fiber pattern cleaning material adopts a process principle of proper gauge and proper carding and slow speed, the gauge of a cover plate is 12, 10, 10, 10 and 12 five-point gauge, and the running speed of a doffer is 18 r/min; the main fiber pattern clearing material adopts a process principle of tight spacing and strong carding slow speed, the cover plate spacing is 8, 7, 7, 7 and 8 five-point spacing, and the running speed of a doffer is 18 r/min.
Mixing and drawing the water-soluble vinylon fiber strips and the main fiber strips: the water-soluble vinylon fiber strips are arranged in the middle of the main fiber strips in parallel in the feeding state of 1 water-soluble vinylon fiber strip and 4 main fiber strips, wherein two main fiber strips are arranged on two sides of the water-soluble vinylon fiber strips.
And (3) carrying out secondary drawing treatment on 8 mixed slivers obtained by merging according to the back zone drafting multiple of 2 times to obtain secondary mixed slivers.
After the second-level mixed sliver is obtained, performing roving treatment on the mixed sliver: the twist factor of the roving treatment process is 100; the draft gauge block was 4.5.
Carrying out spun yarn treatment on the mixed sliver obtained by the roving treatment to obtain blended yarn, wherein the back zone draft multiple of the spun yarn treatment process is 1.2; the draft gauge block was 2.5.
The blended yarn obtained in this example has a structure as shown in fig. 5 and 6, and the cotton fiber and the water-soluble vinylon fiber are intermingled with each other to form a yarn having a blended structure.
Example 4
The cotton fiber with the fineness of 1.6dtex, the moisture regain of 8.5 percent, the maturity coefficient of 1.53 and the short staple rate of 8.5 percent is used as the main fiber raw material. 1.22dtex 38mm water-soluble vinylon fiber at 80 ℃ is used as raw material.
Respectively carrying out blowing treatment on the water-soluble vinylon fiber raw material and the main body fiber raw material to obtain a water-soluble vinylon fiber blowing material and a main body fiber blowing material. Specifically, the water-soluble vinylon fiber raw material adopts a two-box one-knife process, and is beaten by a comb needle; the main fiber raw material adopts a two-box two-knife process and is beaten by a blade.
And carding the obtained water-soluble vinylon fiber cotton cleaning material and the main fiber cotton cleaning material respectively to obtain a water-soluble vinylon fiber strip and a main fiber strip. Specifically, the water-soluble vinylon fiber pattern cleaning material adopts a process principle of proper gauge and proper carding and slow speed, the gauge of a cover plate is 12, 10, 10, 10 and 12 five-point gauge, and the running speed of a doffer is 18 r/min; the main fiber pattern clearing material adopts a process principle of tight spacing and strong carding slow speed, the cover plate spacing is 8, 7, 7, 7 and 8 five-point spacing, and the running speed of a doffer is 18 r/min.
Mixing and drawing the water-soluble vinylon fiber strips and the main fiber strips: the water-soluble vinylon fiber strips are arranged in the middle of the main fiber strips in parallel in the feeding state of 1 water-soluble vinylon fiber strip and 4 main fiber strips, wherein two main fiber strips are arranged on two sides of the water-soluble vinylon fiber strips.
And carrying out secondary drawing treatment on 8 mixed slivers obtained by merging at a drawing ratio of 2 times to obtain secondary mixed slivers.
And (3) carrying out three-stage drawing treatment on 8 mixed slivers obtained by merging at a drawing ratio of 2 times to obtain three-stage mixed slivers.
After the third-level mixed sliver is obtained, performing roving treatment on the mixed sliver: the twist factor of the roving treatment process is 100; the draft gauge block was 4.5.
Carrying out spun yarn treatment on the mixed sliver obtained by the roving treatment to obtain blended yarn, wherein the draft multiple in the spun yarn treatment process is 1.2; the draft gauge block was 2.5.
The blended yarn obtained in this example had a structure as shown in fig. 7 and 8, and cotton fibers and water-soluble vinylon fibers were intermingled with each other to form a yarn having a blended structure.
Example 5
The cotton fiber with the fineness of 1.6dtex, the moisture regain of 8.5 percent, the maturity coefficient of 1.53 and the short staple rate of 8.5 percent is used as the main fiber raw material. 1.22dtex 38mm water-soluble vinylon fiber at 80 ℃ is used as raw material.
Respectively carrying out blowing treatment on the water-soluble vinylon fiber raw material and the main body fiber raw material to obtain a water-soluble vinylon fiber blowing material and a main body fiber blowing material. Specifically, the water-soluble vinylon fiber raw material adopts a two-box one-knife process, and is beaten by a comb needle; the main fiber raw material adopts a two-box two-knife process and is beaten by a blade.
And carding the obtained water-soluble vinylon fiber cotton cleaning material and the main fiber cotton cleaning material respectively to obtain a water-soluble vinylon fiber strip and a main fiber strip. Specifically, the water-soluble vinylon fiber pattern cleaning material adopts a process principle of proper gauge and proper carding and slow speed, the gauge of a cover plate is 12, 10, 10, 10 and 12 five-point gauge, and the running speed of a doffer is 18 r/min; the main fiber pattern clearing material adopts a process principle of tight spacing and strong carding slow speed, the cover plate spacing is 8, 7, 7, 7 and 8 five-point spacing, and the running speed of a doffer is 18 r/min.
And drawing the water-soluble vinylon fiber strips and the main fiber strips respectively in a mode of feeding 8 fibers in parallel twice to obtain combined water-soluble vinylon fiber strips and combined main fiber strips. The water-soluble fiber slivers are combined for the second time in a drawing process, the first time of combination is called head combination, 8 water-soluble fiber raw slivers with the same weight are discharged from a carding machine, the water-soluble fiber slivers are fed into a drafting area of a drawing machine in parallel to be combined and drafted to obtain semi-drawn slivers with certain weight for the second time of combination, the second time of combination is called end combination, the water-soluble fiber slivers are fed into an end and drawing area of the drawing machine in parallel to form the semi-drawn slivers with the same weight for the 8 semi-drawn slivers with the same weight for the second time of combination to obtain drawn slivers with certain weight for the next roving process. The main fiber strips are also combined twice in the drawing process, the first combination is also called head combination, 8 main fiber raw strips with the same weight are taken from a carding machine, the drafting area of the parallel feeding drawing machine is combined and drafted to obtain semi-drawn strips with certain weight for the second combination, the second combination is the last combination and is also called end combination, the drafting area of the parallel feeding end and drawing machine with 8 semi-drawn strips with the same weight is combined and drafted again to obtain drawn strips with certain weight for the next roving process. Wherein the drawing space of the water-soluble vinylon fiber strips is 7 x 16mm, and the back zone drafting multiple is 1.797; the main fiber was drawn at 4 x 10mm gauge and the back draft was 1.438.
After respectively obtaining a combined water-soluble vinylon fiber strip and a combined main fiber strip, respectively carrying out roving treatment on the combined water-soluble vinylon fiber strip and the combined main fiber strip to obtain a water-soluble vinylon fiber roving and a main fiber roving: the twist factor of the roving treatment process of the combined water-soluble vinylon fiber strips is 80; the roving process for the combined body sliver has a twist multiplier of 110. The fineness of the water-soluble vinylon fiber strips after roving treatment is 1.9g/10 m; the fineness of the main fiber strips after roving treatment is 7.6g/10 m.
And carrying out spinning treatment on the water-soluble vinylon fiber rough yarn and the main fiber rough yarn to obtain the blended yarn with spun yarns mixed in the working procedure. Specifically, water-soluble vinylon fiber roving and main fiber roving are simultaneously fed into a double-eye bell mouth in a left-right mode, and the blended yarn mixed in the spinning process is obtained through drafting and twisting in sequence; the back zone draft multiple of the draft stage is 1.43; the twist factor of the twisting stage is 350; the yarn cleaner gauge is 2.0, and the front leather roller adopts a rubber roller with 70 degrees.
The resultant yarn-blended hybrid yarn of this example has a structure as shown in fig. 9 and 10, and includes a water-soluble vinylon fiber component and a main fiber component, which are intermingled with each other.
As can be seen from the above embodiments, the present invention provides a series of blended yarns, which comprise a water-soluble vinylon fiber component and a main fiber component, which are intertwined with each other, wherein the mass ratio of the water-soluble vinylon fiber component to the main fiber component is (5-80): 20-95). The blended yarn mixed by the yarns comprises the water-soluble vinylon fiber component and the main fiber component which are mutually doped, the phenomenon of spiral grooves is shown after the water-soluble fiber is dissolved after the blended yarn is woven into the fabric, the fabric structure is in a spiral tubular structure, and the fabric is breathable, soft and hygroscopic.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. A method for preparing blended yarn mixed in a spinning process comprises the following steps:
(1) respectively carrying out blowing treatment on the water-soluble vinylon fiber raw material and the main body fiber raw material to obtain a water-soluble vinylon fiber blowing material and a main body fiber blowing material;
the main fiber is one or more of cotton fiber, hemp fiber, wool fiber, polyester fiber, acrylic fiber, nylon fiber and viscose fiber;
(2) carding the water-soluble vinylon fiber cotton cleaning material and the main fiber cotton cleaning material respectively to obtain a water-soluble vinylon fiber strip and a main fiber strip;
(3) drawing the water-soluble vinylon fiber strips and the main fiber strips respectively to obtain combined water-soluble vinylon fiber strips and combined main fiber strips; the water-soluble vinylon fiber strips and the main fiber strips are respectively drawn in a mode of feeding 8 fibers in parallel twice; the water-soluble fiber slivers are subjected to secondary doubling in a drawing process, the first doubling is called a head doubling and is 8 raw water-soluble fiber slivers with the same weight which are discharged from a carding machine, the raw water-soluble fiber slivers are parallelly fed into a drafting area of a drawing machine for doubling and drafting to obtain semi-drawn slivers with certain weight for secondary doubling, the second doubling is the last doubling and also called a tail doubling, the 8 semi-drawn slivers with the same weight are parallelly fed into a tail doubling and drafting area of the drawing machine for secondary doubling and drafting to obtain drawn slivers with certain weight for a next roving process; the main fiber slivers are also subjected to secondary doubling in the drawing process, the first doubling is also called head doubling and is 8 main fiber raw slivers with the same weight which are discharged from a carding machine, the main fiber raw slivers are parallelly fed into a drafting zone of a drawing machine for doubling and drafting to obtain semi-drawn slivers with certain weight for secondary doubling, the second doubling is the last doubling and is also called tail doubling, the 8 semi-drawn slivers with the same weight are parallelly fed into a tail doubling zone of the drawing machine for secondary doubling and drafting to obtain drawn slivers with certain weight for the next roving process;
(4) carrying out roving treatment on the combined water-soluble vinylon fiber strips and the combined main fiber strips respectively to obtain water-soluble vinylon fiber rovings and main fiber rovings;
(5) spinning the water-soluble vinylon fiber rough yarn and the main fiber rough yarn to obtain blended yarn mixed in a spinning process;
the feeding state of the spun yarn treatment is as follows: feeding 1 water-soluble vinylon fiber roving and 1 main fiber roving in parallel left and right;
the water-soluble temperature of the water-soluble vinylon fiber raw material is 80 ℃;
the mass ratio of the water-soluble vinylon fiber component to the main fiber component is (10-30) to (70-90).
2. The production method according to claim 1, wherein the spun yarn processing includes a drawing stage and a twisting stage which are performed in sequence;
the back zone drafting multiple of the drafting stage is 1-2;
the twisting coefficient of the twisting stage is 300-400.
3. The preparation method of claim 1, wherein the roving treatment process of the combined water-soluble vinylon fiber strips has a twist factor of 70-90, and a drafting gauge block adopts 6.5; the twist factor of the roving treatment process of the combined main fiber strip is 100-120, and the drafting gauge block adopts 4.5.
4. The preparation method according to claim 1 or 3, wherein the fineness of the water-soluble vinylon fiber roving is 1-3 g/10 m; the fineness of the main fiber roving is preferably 7-8 g/10 m.
5. The preparation method according to claim 1, wherein the water-soluble vinylon fiber raw material has a fineness of 1.22 to 2.0dtex and a length of 30 to 72 mm.
6. The preparation method of claim 1, wherein the cotton fiber has a length of 25 to 35mm and a fineness of 1.5 to 1.7 dtex;
the fineness of the fibrilia is 1.7-1.9 dtex, and the length of the fibrilia is less than or equal to 38 mm;
the fineness of the wool fibers is 9-13 dtex, and the length of the wool fibers is 30-150 mm;
the fineness of the polyester fiber is 1.6-1.8 dtex, and the length of the polyester fiber is 38-51 mm;
the fineness of the acrylic fiber is 1.6-1.8 dtex, and the length of the acrylic fiber is 30-50 mm;
the fineness of the nylon fiber is 2.5-4 dtex, and the length of the nylon fiber is 30-50 mm;
the fineness of the viscose fiber is 1.6-1.8 dtex, and the length of the viscose fiber is 30-60 mm.
7. The blended yarn obtained by the preparation method of any one of claims 1 to 6, comprising a water-soluble vinylon fiber component and a main fiber component which are doped with each other.
8. The blended yarn of claim 7, wherein said blended yarn, when woven into a fabric, exhibits a spiral groove structure after the water soluble vinylon fiber component is dissolved away.
9. The blended yarn of claim 7, wherein the mass ratio of the water-soluble vinylon fiber component to the main fiber component is (5-80): (20-95).
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Also Published As
| Publication number | Publication date |
|---|---|
| CN112981636B (en) | 2023-01-20 |
| CN108221109A (en) | 2018-06-29 |
| CN108221109B (en) | 2021-03-09 |
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