CN106012147A - Bamboo fiber-silk fiber blended natural cool and breathable yarn and preparation method thereof - Google Patents
Bamboo fiber-silk fiber blended natural cool and breathable yarn and preparation method thereof Download PDFInfo
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- CN106012147A CN106012147A CN201610544976.4A CN201610544976A CN106012147A CN 106012147 A CN106012147 A CN 106012147A CN 201610544976 A CN201610544976 A CN 201610544976A CN 106012147 A CN106012147 A CN 106012147A
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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
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D1/00—Treatment of filament-forming or like material
- D01D1/02—Preparation of spinning solutions
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/02—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from cellulose, cellulose derivatives, or proteins
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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
- D10B2201/01—Natural vegetable fibres
- D10B2201/10—Bamboo
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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
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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
- D10B2211/20—Protein-derived artificial fibres
- D10B2211/22—Fibroin
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- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Artificial Filaments (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
The invention relates to a bamboo fiber-silk fiber blended natural cool and breathable yarn and a preparation method thereof, belonging to the technical field of textiles. The yarn comprises the following raw materials in parts by weight: 40-50 parts of bamboo fibers, 30-40 parts of silk protein fibers, 10-15 parts of cotton fibers and 5-10 parts of modal fibers. The cool and breathable yarn prepared from natural raw materials is prepared by mainly adopting the bamboo fibers, the silk protein fibers and the cotton fibers as the main fabric raw materials and has the advantages of high fabric strength, no irritation to skin and good antibacterial effects.
Description
Technical field
Natural ventilating yarn that the present invention relates to a kind of bamboo fiber-silk fiber blending and preparation method thereof, belongs to textile technology field.
Background technology
The operations such as bamboo fiber is with bamboo raw for 3-4 as raw material, becomes pulp through high temperature steaming, extracts cellulose, then through glue, spinning and the regenerated celulose fibre that produces.Bamboo fiber is enjoyed always: " ecological fiber that can breathe " and the good reputation of " fiber queen ".It is referred to as " healthy fabric that 21st century is most with prospects " by expert, is the 5th textile revolution after " cotton, hair, silk, fiber crops ".It is because bamboo to be grown in mountain forest, the anion that self can produce and " bamboo quinone " avoid the invasion of pest and disease damage, thus without any chemical addition agent in whole growth course, and the product produced has natural antibacterial, demodicid mite antibacterial, anti-, deodorant and an anti-ultraviolet function, and there is the characteristic of the high-qualitys such as good breathability, moment water absorption, stronger wearability, good dyeability, aesthetic property.
The main feature of bamboo fiber includes: (1) moisture absorption is breathed freely: at 2000 times of observed under electron microscopes, the cross section deformation of unevenness of bamboo fiber, being covered with the hole being similar to ellipse, in height hollow, capillary effect is extremely strong, can be at transient absorption and transpiring moisture, in all natural fibers, the absorb-discharge humid of bamboo fiber and good permeability occupy first of five big fibers, and far infrared transmissivity is up to 0.87, it is significantly better than traditional fibre fabric, therefore meets the feature of thermal comfort.It is 36 ° of C in temperature；Under conditions of relative humidity is 100%, the regain of bamboo fiber is more than 45%, and breathability is stronger 3.5 times than cotton, is " fiber that can breathe " by good reputation, is also called " fiber queen ".(2) antibacterial bacteriostatic: bamboo fiber product has natural antibacterial, antibacterial, the effect of sterilization, because having a kind of unique material " bamboo a kind of jade " inside bamboo, has natural demodicid mite antibacterial, anti-, deodorant, insect protected function.Even if bamboo fiber towel is the most mouldy in the environment of warm moist, the most spoiled, the most tacky.(3) uvioresistant: the transmitance of ultraviolet depends on many factor, such as organizational structure, coverage coefficient, color, the chemical addition agent in processes and the process etc. of sample.Bamboo fiber and the experiment of cotton ultraviolet penetrance: for 200～400nm ultraviolet, cotton penetrance is 25%, the penetrance of bamboo fiber is less than 0.6%, and its anti-uv-ray is cotton 41.7 times.And the ultraviolet of this wavelength is maximum to the injury of human body, this be other textile incomparable.
But there are certain fluffing owing to bamboo fiber also exists surface, when causing being applied to the aspect such as clothing, fabric, sensation of pricking can be there is, it will usually carry out blending with other fiber.Such as: CN102011224A provides the manufacturing process of bamboo fiber and short-staple mixed yarn, wherein made bamboo fiber and the short-staple blending resultant yarn of the present invention by RING SPINNING technique or air spinning technique, RING SPINNING processing step includes: softening, blowing, comb and parallel cotton fibers prior to spinning, drafting, rove, spun yarn；Air spinning processing step includes softening, blowing, comb and parallel cotton fibers prior to spinning, drafting, open-end spinning.CN105624870A provides the mixed yarn of a kind of milk protein fiber, bamboo fiber and cotton fiber, including following ingredients: milk protein fiber 20-30 weight portion, bamboo fiber 25-35 weight portion, cotton fiber 35-45 weight portion.CN1908267A discloses a kind of bamboo fiber and cotton fiber mixed yarn and manufacturing process thereof, and it is made up of with cotton fiber bamboo fiber, and wherein bamboo fiber content accounts for the 20-60% of mixed yarn gross weight, and cotton fiber content accounts for the 40-80% of mixed yarn gross weight；Its manufacturing process is by bamboo fiber shredding, rolling, one-tenth bar, then by cotton fiber shredding, rolling, one-tenth bar combing, finally by bamboo fiber and cotton fiber and close；Made bamboo fiber and the cotton fiber blending resultant yarn of the present invention by cotton cleaning process, carding step, bar operation, Roving Frames, spinning process, the production environment relative humidity of each operation is 67%-73%.
Summary of the invention
It is an object of the invention to: a kind of ventilating yarn prepared with natural material is provided, mainly have employed bamboo fiber, fibroin fiber and cotton fiber as main fabric raw material.
Technical scheme is:
The natural ventilating yarn of a kind of bamboo fiber-silk fiber blending, includes following raw material by weight: bamboo fiber 40～50 parts, fibroin fiber 30～40 parts, cotton fiber 10～15 parts and Modal fibre 5～10 parts.
Described bamboo fiber fiber number is 6～8dtex, length 70～180mm.
The fiber number of described Modal fibre is 0.7～0.98dtex.
The fiber number of described cotton fiber is 0.8～1.22dtex,
The chromaticity range of described bamboo fiber is between 50～65.
Described silk fiber refers to modified silk fiber.
The preparation method of modified silk fiber, comprises the steps:
S1: by weight, fibroin 19～35 parts, calcium chloride 0.5～1 part, antibacterial peptide 13～28 parts, chitosan 8～21 parts, polypropylene glycol 7～18 parts, polyoxyethylene methyl glucoside 9～17 parts, polyvinylpolypyrrolidone 2～6 parts, polyacrylic hydrogel 2～4 parts are dissolved in deionized water 24～42 parts, 28 DEG C～37 DEG C of water bath with thermostatic control reacting by heating, after reaction terminates, add the glycerol that mass concentration is 1%～4%, it is warming up to 40 DEG C stir, modified silk albumen spinning solution can be obtained；
S2: within the temperature range of 20～30 DEG C, directly spinning liquid is solidified filamentation in atmosphere after spinning nozzle is extruded, immerses the silk being solidified into after stretching 3 times in the ethanol water of 70vol.%, then soaks 3 hours, then take out and dry, i.e. obtain modified silk fiber；Expansion rate of water absorption≤120 of described polyacrylic hydrogel.
Heretofore described " polyacrylic hydrogel " means using as the acrylic acid (salt) of repetitive as the polymer of main component, and this polymer is the cross linked polymer gluey by including water-setting that acrylic acid (salt) obtained by polymerization as monomer.Specifically, in the monomer in addition to cross-linking agent that described polymer contains, acrylic acid (salt) must account for 50～100 mol %, more preferably 70～100 mol %, further preferred 90～100 mol %, the most substantially 100mol%.As the salt preferred as alkali salt of polymer, alkali salt, ammonium salt, wherein preferably monovalent salt, alkali metal salt, particularly preferred sodium salt.The monomer participating in polyreaction includes but not limited to: methacrylic acid, maleic acid (acid anhydride), fumaric acid, .beta.-methylacrylic acid, itaconic acid, vinyl sulfonic acid, 2-(methyl) acrylamide-2-methyl propane sulfonic acid, (methyl) acryloyloxyalkyl sulfonic acid, N mono-ethylene-2-Pyrrolidone, N-vinylacetamide, (methyl) acrylamide, N-isopropyl (methyl) acrylamide, N, N-dimethyl (methyl) acrylamide, 2-ethoxy (methyl) acrylate, methoxy poly (ethylene glycol) (methyl) acrylate, Polyethylene Glycol (methyl) acrylate, isobutene., dodecyl (methyl) acrylate, octadecyl (methyl) acrylate and the salt etc. of these materials.
The preparation method of described natural ventilating yarn, comprises the steps:
1st step, is mixed and made into lap by bamboo fiber, modified silk azelon, cotton fiber and Modal fibre, and the technological parameter of blowing step is: cotton rolling weight 4000g/m, A036C kirschner beater speed 430r/min, A076C comprehensive Beater Speed 720r/min；
2nd step, by lap by combing, bar is become to make blended sliver, the technological parameter of comb and parallel cotton fibers prior to spinning step is: weight of card sliver 16.4g/5m, web tension draft 1.147 times, cylinder speed 310r/min, licker-in speed 714r/min, doffer speed 18.5r/min, cover plate speed 0.2 m/min, cylinder flat spaces 0.40mm × 0.32mm × 0.28mm × 0.21mm × 0.28mm；
3rd step, in the lump: by 3 in the lump blended sliver carry out and close, use the total draft of 7.51 times and the back area draft of 1.33 times, roller gauge is 7mm × 8mm × 12mm, quantification of 17.0-22.0g/5m, and web tension force is 1.090 times, and sliver exporting speed is 350m/s；Two also: by 6 in the lump blended sliver carry out and close, use the total draft of 6.00-7.33 times and the back area draft of 1.53 times, roller gauge is 6mm × 13mm, quantification of 15.2-16.0g/5m, and web tension force is 1.056 times, and sliver exporting speed is 370m/s；
4th step, by two and after blended sliver carry out draw twisting after be spun into rove, use the total draft of 10.55-10.34 times and the back area draft of 1.13 times, roller gauge is 12mm × 24mm × 35mm, nip gauge is 4mm, quantification of 3.3-3.4g/10m, twist factor is 56.3-58.3, and ingot speed is 720-743m/s；
5th step, spun yarn uses SEILE textile technique, uses the total draft of 3.2-3.6 times and the back area draft of 1.13-1.24 times, and roller gauge is 17mm × 31mm, and nip gauge is 2.44-2.75mm, and twist factor is 470-490, and ingot speed is 16400m/s；
6th step, places spun yarn cop and carries out winder again in more than 24 hours, spun yarn network becomes cylinder yarn one-tenth wrap into storehouse, uses the doff linear velocity of 950 ms/min.
Beneficial effect
The present invention mainly have employed bamboo fiber, fibroin fiber and cotton fiber as main fabric raw material, has prepared the ventilating yarn prepared with natural material, has that fabric intensity is high, non-stimulated to skin, the advantage of good anti-bacterial effect.
Detailed description of the invention
Embodiment 1
Natural ventilating yarn, includes following raw material by weight: bamboo fiber 40 parts, modified silk azelon 30 parts, 10 parts of cotton fiber and Modal fibre 5 parts；Described bamboo fiber fiber number is 6～8dtex, length 70～180mm；The fiber number of described Modal fibre is 0.7～0.98dtex；The fiber number of described cotton fiber is 0.8～1.22dtex；The chromaticity range of described bamboo fiber is 50.
The preparation method of modified silk fiber, comprises the steps:
S1: by weight, the polymethacrylic acid hydrogel 2 parts that fibroin 19 parts, 0.5 part of calcium chloride, antibacterial peptide 13 parts, chitosan 8 parts, polypropylene glycol 7 parts, polyoxyethylene methyl glucoside 9 parts, polyvinylpolypyrrolidone 2 parts, expansion rate of water absorption are 110 is dissolved in deionized water 24 parts, 28 DEG C of water bath with thermostatic control reacting by heating, after reaction terminates, adding mass concentration is the glycerol of 1wt%, it is warming up to 40 DEG C stir, modified silk albumen spinning solution can be obtained；
S2: within the temperature range of 20～30 DEG C, directly spinning liquid is solidified filamentation in atmosphere after spinning nozzle is extruded, immerses the silk being solidified into after stretching 3 times in the ethanol water of 70vol.%, then soaks 3 hours, then take out and dry, i.e. obtain modified silk fiber；Expansion rate of water absorption≤120 of described polyacrylic hydrogel.
The preparation method of described natural ventilating yarn, comprises the steps:
1st step, is mixed and made into lap by bamboo fiber, modified silk azelon, cotton fiber and Modal fibre, and the technological parameter of blowing step is: cotton rolling weight 4000g/m, A036C kirschner beater speed 430r/min, A076C comprehensive Beater Speed 720r/min；
2nd step, by lap by combing, bar is become to make blended sliver, the technological parameter of comb and parallel cotton fibers prior to spinning step is: weight of card sliver 16.4g/5m, web tension draft 1.147 times, cylinder speed 310r/min, licker-in speed 714r/min, doffer speed 18.5r/min, cover plate speed 0.2 m/min, cylinder flat spaces 0.40mm × 0.32mm × 0.28mm × 0.21mm × 0.28mm；
3rd step, in the lump: by 3 in the lump blended sliver carry out and close, use the total draft of 7.51 times and the back area draft of 1.33 times, roller gauge is 7mm × 8mm × 12mm, quantification of 17.0g/5m, and web tension force is 1.090 times, and sliver exporting speed is 350m/s；Two also: by 6 in the lump blended sliver carry out and close, use the total draft of 6.00 times and the back area draft of 1.53 times, roller gauge is 6mm × 13mm, quantification of 15.2g/5m, and web tension force is 1.056 times, and sliver exporting speed is 370m/s；
4th step, by two and after blended sliver carry out draw twisting after be spun into rove, use the total draft of 10.55 times and the back area draft of 1.13 times, roller gauge is 12mm × 24mm × 35mm, and nip gauge is 4mm, quantification of 3.4g/10m, twist factor is 56.3, and ingot speed is 743m/s；
5th step, spun yarn uses SEILE textile technique, uses the total draft of 3.2-3.6 times and the back area draft of 1.13 times, and roller gauge is 17mm × 31mm, and nip gauge is 2.44mm, and twist factor is 470, and ingot speed is 16400m/s；
6th step, places spun yarn cop and carries out winder again in more than 24 hours, spun yarn network becomes cylinder yarn one-tenth wrap into storehouse, uses the doff linear velocity of 950 ms/min.
Embodiment 2
Natural ventilating yarn, includes following raw material by weight: bamboo fiber 50 parts, modified silk azelon 40 parts, 15 parts of cotton fiber and Modal fibre 10 parts；Described bamboo fiber fiber number is 6～8dtex, length 70～180mm；The fiber number of described Modal fibre is 0.7～0.98dtex；The fiber number of described cotton fiber is 0.8～1.22dtex；The chromaticity range of described bamboo fiber is 65.
The preparation method of modified silk fiber, comprises the steps:
S1: by weight, the polymethacrylic acid hydrogel 4 parts that fibroin 35 parts, 1 part of calcium chloride, antibacterial peptide 28 parts, chitosan 21 parts, polypropylene glycol 18 parts, polyoxyethylene methyl glucoside 17 parts, polyvinylpolypyrrolidone 6 parts, expansion rate of water absorption are 110 is dissolved in deionized water 42 parts, 37 DEG C of water bath with thermostatic control reacting by heating, after reaction terminates, adding mass concentration is the glycerol of 4wt%, it is warming up to 40 DEG C stir, modified silk albumen spinning solution can be obtained；
S2: within the temperature range of 30 DEG C, directly spinning liquid is solidified filamentation in atmosphere after spinning nozzle is extruded, immerses the silk being solidified into after stretching 3 times in the ethanol water of 70vol.%, then soaks 3 hours, then take out and dry, i.e. obtain modified silk fiber；Expansion rate of water absorption≤120 of described polyacrylic hydrogel.
The preparation method of described natural ventilating yarn, comprises the steps:
1st step, is mixed and made into lap by bamboo fiber, modified silk azelon, cotton fiber and Modal fibre, and the technological parameter of blowing step is: cotton rolling weight 4000g/m, A036C kirschner beater speed 430r/min, A076C comprehensive Beater Speed 720r/min；
2nd step, by lap by combing, bar is become to make blended sliver, the technological parameter of comb and parallel cotton fibers prior to spinning step is: weight of card sliver 16.4g/5m, web tension draft 1.147 times, cylinder speed 310r/min, licker-in speed 714r/min, doffer speed 18.5r/min, cover plate speed 0.2 m/min, cylinder flat spaces 0.40mm × 0.32mm × 0.28mm × 0.21mm × 0.28mm；
3rd step, in the lump: by 3 in the lump blended sliver carry out and close, use the total draft of 7.51 times and the back area draft of 1.33 times, roller gauge is 7mm × 8mm × 12mm, quantification of 22.0g/5m, and web tension force is 1.090 times, and sliver exporting speed is 350m/s；Two also: by 6 in the lump blended sliver carry out and close, use the total draft of 7.33 times and the back area draft of 1.53 times, roller gauge is 6mm × 13mm, quantification of 16.0g/5m, and web tension force is 1.056 times, and sliver exporting speed is 370m/s；
4th step, by two and after blended sliver carry out draw twisting after be spun into rove, use the total draft of 10.55-10.34 times and the back area draft of 1.13 times, roller gauge is 12mm × 24mm × 35mm, and nip gauge is 4mm, quantification of 3.3-3.4g/10m, twist factor is 58.3, and ingot speed is 743m/s；
5th step, spun yarn uses SEILE textile technique, uses the total draft of 3.2-3.6 times and the back area draft of 1.24 times, and roller gauge is 17mm × 31mm, and nip gauge is 2.75mm, and twist factor is 490, and ingot speed is 16400m/s；
6th step, places spun yarn cop and carries out winder again in more than 24 hours, spun yarn network becomes cylinder yarn one-tenth wrap into storehouse, uses the doff linear velocity of 950 ms/min.
Reference examples 1
Difference with embodiment 2 is: fibroin is without modification.
Natural ventilating yarn, includes following raw material by weight: bamboo fiber 50 parts, fibroin fiber 40 parts, 15 parts of cotton fiber and Modal fibre 10 parts；Described bamboo fiber fiber number is 6～8dtex, length 70～180mm；The fiber number of described Modal fibre is 0.7～0.98dtex；The fiber number of described cotton fiber is 0.8～1.22dtex；The chromaticity range of described bamboo fiber is 65.
The preparation method of described natural ventilating yarn, comprises the steps:
1st step, is mixed and made into lap by bamboo fiber, fibroin fiber, cotton fiber and Modal fibre, and the technological parameter of blowing step is: cotton rolling weight 4000g/m, A036C kirschner beater speed 430r/min, A076C comprehensive Beater Speed 720r/min；
2nd step, by lap by combing, bar is become to make blended sliver, the technological parameter of comb and parallel cotton fibers prior to spinning step is: weight of card sliver 16.4g/5m, web tension draft 1.147 times, cylinder speed 310r/min, licker-in speed 714r/min, doffer speed 18.5r/min, cover plate speed 0.2 m/min, cylinder flat spaces 0.40mm × 0.32mm × 0.28mm × 0.21mm × 0.28mm；
3rd step, in the lump: by 3 in the lump blended sliver carry out and close, use the total draft of 7.51 times and the back area draft of 1.33 times, roller gauge is 7mm × 8mm × 12mm, quantification of 22.0g/5m, and web tension force is 1.090 times, and sliver exporting speed is 350m/s；Two also: by 6 in the lump blended sliver carry out and close, use the total draft of 7.33 times and the back area draft of 1.53 times, roller gauge is 6mm × 13mm, quantification of 16.0g/5m, and web tension force is 1.056 times, and sliver exporting speed is 370m/s；
4th step, by two and after blended sliver carry out draw twisting after be spun into rove, use the total draft of 10.55-10.34 times and the back area draft of 1.13 times, roller gauge is 12mm × 24mm × 35mm, and nip gauge is 4mm, quantification of 3.3-3.4g/10m, twist factor is 58.3, and ingot speed is 743m/s；
5th step, spun yarn uses SEILE textile technique, uses the total draft of 3.2-3.6 times and the back area draft of 1.24 times, and roller gauge is 17mm × 31mm, and nip gauge is 2.75mm, and twist factor is 490, and ingot speed is 16400m/s；
6th step, places spun yarn cop and carries out winder again in more than 24 hours, spun yarn network becomes cylinder yarn one-tenth wrap into storehouse, uses the doff linear velocity of 950 ms/min.
Reference examples 2
Difference with embodiment 2 is: is provided without polymethacrylic acid hydrogel in the modifying process of fibroin and blends with albumen.
Natural ventilating yarn, includes following raw material by weight: bamboo fiber 50 parts, modified silk azelon 40 parts, 15 parts of cotton fiber and Modal fibre 10 parts；Described bamboo fiber fiber number is 6～8dtex, length 70～180mm；The fiber number of described Modal fibre is 0.7～0.98dtex；The fiber number of described cotton fiber is 0.8～1.22dtex；The chromaticity range of described bamboo fiber is 65.
The preparation method of modified silk fiber, comprises the steps:
S1: by weight, fibroin 35 parts, 1 part of calcium chloride, antibacterial peptide 28 parts, chitosan 21 parts, polypropylene glycol 18 parts, polyoxyethylene methyl glucoside 17 parts, polyvinylpolypyrrolidone 6 parts are dissolved in deionized water 42 parts, 37 DEG C of water bath with thermostatic control reacting by heating, after reaction terminates, adding mass concentration is the glycerol of 4wt%, it is warming up to 40 DEG C stir, modified silk albumen spinning solution can be obtained；
S2: within the temperature range of 30 DEG C, directly spinning liquid is solidified filamentation in atmosphere after spinning nozzle is extruded, immerses the silk being solidified into after stretching 3 times in the ethanol water of 70vol.%, then soaks 3 hours, then take out and dry, i.e. obtain modified silk fiber；Expansion rate of water absorption≤120 of described polyacrylic hydrogel.
The preparation method of described natural ventilating yarn, comprises the steps:
1st step, is mixed and made into lap by bamboo fiber, modified silk azelon, cotton fiber and Modal fibre, and the technological parameter of blowing step is: cotton rolling weight 4000g/m, A036C kirschner beater speed 430r/min, A076C comprehensive Beater Speed 720r/min；
2nd step, by lap by combing, bar is become to make blended sliver, the technological parameter of comb and parallel cotton fibers prior to spinning step is: weight of card sliver 16.4g/5m, web tension draft 1.147 times, cylinder speed 310r/min, licker-in speed 714r/min, doffer speed 18.5r/min, cover plate speed 0.2 m/min, cylinder flat spaces 0.40mm × 0.32mm × 0.28mm × 0.21mm × 0.28mm；
3rd step, in the lump: by 3 in the lump blended sliver carry out and close, use the total draft of 7.51 times and the back area draft of 1.33 times, roller gauge is 7mm × 8mm × 12mm, quantification of 22.0g/5m, and web tension force is 1.090 times, and sliver exporting speed is 350m/s；Two also: by 6 in the lump blended sliver carry out and close, use the total draft of 7.33 times and the back area draft of 1.53 times, roller gauge is 6mm × 13mm, quantification of 16.0g/5m, and web tension force is 1.056 times, and sliver exporting speed is 370m/s；
4th step, by two and after blended sliver carry out draw twisting after be spun into rove, use the total draft of 10.55-10.34 times and the back area draft of 1.13 times, roller gauge is 12mm × 24mm × 35mm, and nip gauge is 4mm, quantification of 3.3-3.4g/10m, twist factor is 58.3, and ingot speed is 743m/s；
5th step, spun yarn uses SEILE textile technique, uses the total draft of 3.2-3.6 times and the back area draft of 1.24 times, and roller gauge is 17mm × 31mm, and nip gauge is 2.75mm, and twist factor is 490, and ingot speed is 16400m/s；
6th step, places spun yarn cop and carries out winder again in more than 24 hours, spun yarn network becomes cylinder yarn one-tenth wrap into storehouse, uses the doff linear velocity of 950 ms/min.
Reference examples 3
Difference with embodiment 2 is: is provided without polyvinylpolypyrrolidone in the modifying process of fibroin and carries out cross-linking modified to protein surface.
Natural ventilating yarn, includes following raw material by weight: bamboo fiber 50 parts, modified silk azelon 40 parts, 15 parts of cotton fiber and Modal fibre 10 parts；Described bamboo fiber fiber number is 6～8dtex, length 70～180mm；The fiber number of described Modal fibre is 0.7～0.98dtex；The fiber number of described cotton fiber is 0.8～1.22dtex；The chromaticity range of described bamboo fiber is 65.
The preparation method of modified silk fiber, comprises the steps:
S1: by weight, the polymethacrylic acid hydrogel 4 parts that fibroin 35 parts, 1 part of calcium chloride, antibacterial peptide 28 parts, chitosan 21 parts, polypropylene glycol 18 parts, polyoxyethylene methyl glucoside 17 parts, expansion rate of water absorption are 110 is dissolved in deionized water 42 parts, 37 DEG C of water bath with thermostatic control reacting by heating, after reaction terminates, adding mass concentration is the glycerol of 4wt%, it is warming up to 40 DEG C stir, modified silk albumen spinning solution can be obtained；
S2: within the temperature range of 30 DEG C, directly spinning liquid is solidified filamentation in atmosphere after spinning nozzle is extruded, immerses the silk being solidified into after stretching 3 times in the ethanol water of 70vol.%, then soaks 3 hours, then take out and dry, i.e. obtain modified silk fiber；Expansion rate of water absorption≤120 of described polyacrylic hydrogel.
The preparation method of described natural ventilating yarn, comprises the steps:
1st step, is mixed and made into lap by bamboo fiber, modified silk azelon, cotton fiber and Modal fibre, and the technological parameter of blowing step is: cotton rolling weight 4000g/m, A036C kirschner beater speed 430r/min, A076C comprehensive Beater Speed 720r/min；
2nd step, by lap by combing, bar is become to make blended sliver, the technological parameter of comb and parallel cotton fibers prior to spinning step is: weight of card sliver 16.4g/5m, web tension draft 1.147 times, cylinder speed 310r/min, licker-in speed 714r/min, doffer speed 18.5r/min, cover plate speed 0.2 m/min, cylinder flat spaces 0.40mm × 0.32mm × 0.28mm × 0.21mm × 0.28mm；
3rd step, in the lump: by 3 in the lump blended sliver carry out and close, use the total draft of 7.51 times and the back area draft of 1.33 times, roller gauge is 7mm × 8mm × 12mm, quantification of 22.0g/5m, and web tension force is 1.090 times, and sliver exporting speed is 350m/s；Two also: by 6 in the lump blended sliver carry out and close, use the total draft of 7.33 times and the back area draft of 1.53 times, roller gauge is 6mm × 13mm, quantification of 16.0g/5m, and web tension force is 1.056 times, and sliver exporting speed is 370m/s；
4th step, by two and after blended sliver carry out draw twisting after be spun into rove, use the total draft of 10.55-10.34 times and the back area draft of 1.13 times, roller gauge is 12mm × 24mm × 35mm, and nip gauge is 4mm, quantification of 3.3-3.4g/10m, twist factor is 58.3, and ingot speed is 743m/s；
5th step, spun yarn uses SEILE textile technique, uses the total draft of 3.2-3.6 times and the back area draft of 1.24 times, and roller gauge is 17mm × 31mm, and nip gauge is 2.75mm, and twist factor is 490, and ingot speed is 16400m/s；
6th step, places spun yarn cop and carries out winder again in more than 24 hours, spun yarn network becomes cylinder yarn one-tenth wrap into storehouse, uses the doff linear velocity of 950 ms/min.
The yarn that above example and reference examples prepare spinning 36 English and props up scribbled, yarn determination data is as follows:
| Embodiment 1 | Embodiment 2 | Reference examples 1 | Reference examples 2 | Reference examples 3 | |
| Single thread fracture strength /cN/tex | 15.5 | 16.5 | 12.4 | 13.5 | 13.9 |
| Single thread fracture strength coefficient of variation Cv value/% | 12.7 | 11.4 | 16.8 | 15.2 | 16.3 |
| Strip dry uniformity variant coefficient Cv value/% | 12.8 | 11.4 | 15.6 | 14.9 | 14.8 |
| Hundred meters of weight variation coefficient Cv value/% | 15.8 | 14.6 | 17.9 | 18.5 | 16.7 |
| Km slubbing+50% //Km | 121 | 123 | 204 | 182 | 171 |
| Km details-50% //Km | 132 | 125 | 198 | 178 | 168 |
| + 200%, km cotton knot/Km | 175 | 168 | 257 | 248 | 230 |
It will be seen that the scribbled that the present invention provides has preferable intensity, and Yarn homogeneous from upper table, overcome the problem that pure bamboo fiber yarns burr is many；Embodiment 2 is for reference examples 2, blend with albumen by adding polymethacrylic acid hydrogel in preparing at fibroin fiber, owing to polymethacrylic acid hydrogel has certain hygroscopicity, after it is mixed with silk fiber, the surrounding of bamboo fiber can be coated on by its imbibition effect, and produce ganoid effect, solve the problem that the burr of tencel fiber is many；Embodiment 2 is for reference examples 3, by adding polyvinylpolypyrrolidone in the modifying process of fibroin, protein surface is carried out cross-linking modified, effectively can be there is viscosity adsorption in the surface of fibroin, preferably can mix mutually with bamboo fiber, reduce the overall inhomogeneities of yarn and nodes.
Claims (5)
1. the natural ventilating yarn of bamboo fiber-silk fiber blending, it is characterised in that include following raw material by weight: bamboo fiber 40～50 parts, fibroin fiber 30～40 parts, cotton fiber 10～15 parts and Modal fibre 5～10 parts.
The natural ventilating yarn of bamboo fiber the most according to claim 1-silk fiber blending, it is characterised in that described bamboo fiber fiber number is 6～8dtex, length preferably 70～180mm；The fiber number of described Modal fibre is 0.7～0.98dtex；The fiber number of described cotton fiber is 0.8～1.22dtex；The chromaticity range of described bamboo fiber is between 50～65.
The natural ventilating yarn of bamboo fiber the most according to claim 1-silk fiber blending, it is characterised in that described silk fiber refers to modified silk fiber.
The natural ventilating yarn of bamboo fiber the most according to claim 1-silk fiber blending, it is characterized in that, the preparation method of modified silk fiber, comprise the steps: S1: by weight, by fibroin 19～35 parts, calcium chloride 0.5～1 part, antibacterial peptide 13～28 parts, chitosan 8～21 parts, polypropylene glycol 7～18 parts, polyoxyethylene methyl glucoside 9～17 parts, polyvinylpolypyrrolidone 2～6 parts, polyacrylic hydrogel 2～4 parts are dissolved in deionized water 24～42 parts, 28 DEG C～37 DEG C of water bath with thermostatic control reacting by heating, after reaction terminates, add the glycerol that mass concentration is 1%～4%, it is warming up to 40 DEG C stir, modified silk albumen spinning solution can be obtained；S2: within the temperature range of 20～30 DEG C, directly spinning liquid is solidified filamentation in atmosphere after spinning nozzle is extruded, immerses the silk being solidified into after stretching 3 times in the ethanol water of 70vol.%, then soaks 3 hours, then take out and dry, i.e. obtain modified silk fiber；Expansion rate of water absorption≤120 of described polyacrylic hydrogel.
5. the preparation method of the arbitrary described natural ventilating yarn of Claims 1 to 4, comprise the steps: the 1st step, bamboo fiber, modified silk azelon, cotton fiber and Modal fibre are mixed and made into lap, the technological parameter of blowing step is: cotton rolling weight 4000g/m, A036C kirschner beater speed 430r/min, A076C comprehensive Beater Speed 720r/min；2nd step, by lap by combing, bar is become to make blended sliver, the technological parameter of comb and parallel cotton fibers prior to spinning step is: weight of card sliver 16.4g/5m, web tension draft 1.147 times, cylinder speed 310r/min, licker-in speed 714r/min, doffer speed 18.5r/min, cover plate speed 0.2 m/min, cylinder flat spaces 0.40mm × 0.32mm × 0.28mm × 0.21mm × 0.28mm；3rd step, in the lump: by 3 in the lump blended sliver carry out and close, use the total draft of 7.51 times and the back area draft of 1.33 times, roller gauge is 7mm × 8mm × 12mm, quantification of 17.0-22.0g/5m, and web tension force is 1.090 times, and sliver exporting speed is 350m/s；Two also: by 6 in the lump blended sliver carry out and close, use the total draft of 6.00-7.33 times and the back area draft of 1.53 times, roller gauge is 6mm × 13mm, quantification of 15.2-16.0g/5m, and web tension force is 1.056 times, and sliver exporting speed is 370m/s；4th step, by two and after blended sliver carry out draw twisting after be spun into rove, use the total draft of 10.55-10.34 times and the back area draft of 1.13 times, roller gauge is 12mm × 24mm × 35mm, nip gauge is 4mm, quantification of 3.3-3.4g/10m, twist factor is 56.3-58.3, and ingot speed is 720-743m/s；5th step, spun yarn uses SEILE textile technique, uses the total draft of 3.2-3.6 times and the back area draft of 1.13-1.24 times, and roller gauge is 17mm × 31mm, and nip gauge is 2.44-2.75mm, and twist factor is 470-490, and ingot speed is 16400m/s；6th step, places spun yarn cop and carries out winder again in more than 24 hours, spun yarn network becomes cylinder yarn one-tenth wrap into storehouse, uses the doff linear velocity of 950 ms/min.
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