CN103556279A - Milk protein bamboo charcoal viscose fiber and preparation method thereof - Google Patents
Milk protein bamboo charcoal viscose fiber and preparation method thereof Download PDFInfo
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- CN103556279A CN103556279A CN201310528000.4A CN201310528000A CN103556279A CN 103556279 A CN103556279 A CN 103556279A CN 201310528000 A CN201310528000 A CN 201310528000A CN 103556279 A CN103556279 A CN 103556279A
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Abstract
The invention provides a milk protein bamboo charcoal viscose fiber and a preparation method thereof, which meet the market demands and solve the problem that the conventional bamboo charcoal viscose fiber is poor in spinning property. The milk protein bamboo charcoal viscose fiber is characterized by comprising 0.1-30 percent of proteins and 0.1-10 percent of bamboo charcoal, wherein the ammonia absorption rate is more than or equal to 50 percent, the air permeability is more than or equal to 500mm/s, the color fastness to washing is of 4-5 level, the dry strength is more than or equal to 1.8cN/dtex, and the dry stretch is 18-22 percent. The milk protein bamboo charcoal viscose fiber disclosed by the invention has the functions of bacterium and ultraviolet prevention and deodorization, is high in air permeability and moisture absorption, has soft handfeel and silk gloss and is extremely high in serviceability.
Description
Technical field
The present invention relates to textile industry viscose glue technical field, be specifically related to a kind of milk protein bamboo-carbon viscose fibre and preparation method thereof.
Background technology
Bamboo charcoal is mainly comprised of elements such as charcoal, hydrogen, oxygen, and quality is hard, fine and closely woven porous, high adsorption capacity, therefore its adsorption capacity is the more than 10 times of same volume charcoal, and contained mineral matter is the more than 5 times of same volume charcoal, has the function of good deodorizing, anticorrosion, absorption peculiar smell.Nano bamboo micro mist also has the effect of good antibacterial, sterilization, can adsorb and in and the contained acidic materials of sweat, reach the effect of skin whitening.Moreover, bamboo charcoal or the emissive material of good far infrared and anion.Bamboo charcoal blend health fiber can transmitting anion and is added and do not damage again equipment man-hour, and the serious shortcoming of card grinding while having overcome negative-ion fiber processing fabric is processed client's welcome and favor deeply.Except above advantage, due to own characteristic, bamboo charcoal blended fiber also has antistatic behaviour and electromagnetic radiation resisting function, and succeeding in developing to human health of it brings more benefit.Can say that bamboo charcoal blended fiber has met the various selection of people to health product, also meet the requirement of fabric manufacturer simultaneously, be to have the various functions fiber type advantages such as magnetic health care fiber, far IR fibre, anti-bacterial fibre
Upgrading new product, market prospects are wide.
As CN200610037895.1, name is called the patent of invention of " bamboo-carbon viscose fibre and manufacture method thereof ", discloses bamboo-carbon viscose fibre and manufacture method thereof.This bamboo-carbon viscose fibre, contains bamboo charcoal micropowder and bamboo vinegar.The manufacture method of this bamboo-carbon viscose fibre, comprises glue operation and spinning process, in its glue operation, carry out the preparation of viscose solution and carry out the preparation of bamboo charcoal micropowder emulsion.The preparation of bamboo charcoal micropowder emulsion is in deionized water, to add after dispersant and bamboo charcoal micropowder, stirs until obtain finely dispersed bamboo charcoal micropowder emulsion.The shortcoming of this patent is: bamboo charcoal powder is water insoluble, only adds dispersant, and bamboo charcoal powder cannot be dispersed in water, and bamboo charcoal free settling.Thereby, greatly affect the spinnability of fiber, and bamboo charcoal skewness on the finished product of producing.
CN200710015036.7, name is called the patent of invention of " bamboo charcoal cellulose fiber and manufacture method thereof ", a kind of bamboo charcoal cellulose fiber and manufacture method thereof are disclosed, for cellulose is made to spinning solution by ion liquid dissolving, add again the sex change spinning solution of making after bamboo charcoal nano, the coagulating bath spinning of then making through ionic liquid aqueous solution forms, and the content of bamboo charcoal nano is 4% ~ 30% of finished fiber weight.The shortcoming of this patent is: the preparation to bamboo charcoal nano solution is not furtherd investigate, and has ignored the spinnability problem of fiber and the skewness problem of bamboo charcoal.
CN201210499127.3, name is called the application for a patent for invention of " a kind of production technology of bamboo-carbon viscose fibre ", a kind of production technology of bamboo-carbon viscose fibre is disclosed, comprise that step is: bamboo charcoal micropowder and porphines cobalt microparticulate are also stirred in organic solvent, obtain mixing serum, by pulp flood, squeezing and the experienced cellulose that obtains deriving from natural plants; Described cellulose is joined in described mixing serum and to be dissolved and deaeration obtains spinning solution, and spinning solution is extruded by Spinning pumps, in solidification liquid, solidifies and obtains bamboo-carbon viscose fibre.This patent is solvent method spinning, and current domestic traditional mode of production all adopts the method; Adopt wet spinning technology, bamboo charcoal powder and porphines cobalt particulate are all insoluble to any organic solvent, cause the dispersion of bamboo charcoal powder inhomogeneous.
Milk protein fiber is a kind of novel protein-contg functional environment-friendly fiber.Its fracture strength and modulus are moderate, extend greatly, and spinning weaving performance is good.Due to the cross section of the matrix of milk protein fiber and two composition characteristics of protein and oval type or dumbbell shape be longitudinally the Morphological Features of random groove, make fiber itself there is good hygroscopicity and gas permeability.Milk protein fiber is bulk, and jewelry, expensive clothing and other valuables are level and smooth, and proportion is little, make it have soft feel as cashmere and the natural gloss as silk.In addition, in milk protein fiber, protein content is higher, has more than 10 kind to the useful amino acid of human body and protein natural moisturizing factor, can play the effect of nutrition, health care skin, makes skin more soft and moist smooth.Thereby all kinds of high-grade dress ornament with milk protein fiber processing, can meet the multi-faceted demand of people.
Summary of the invention
The present invention, in order to meet the need of market, solves the poor problem of current bamboo-carbon viscose fibre spinnability, and a kind of milk protein bamboo-carbon viscose fibre and preparation method thereof is provided.That milk protein bamboo-carbon viscose fibre of the present invention not only has is antibiotic, uvioresistant, deodorization functions, has good gas permeability, hygroscopicity, and soft, is rich in gloss as silk, has extraordinary taking.
For achieving the above object, the present invention adopts following technical scheme:
A bamboo-carbon viscose fibre, is characterized in that: by weight, in fiber, protein content 0.1 ~ 30%, bamboo charcoal content 0.1 ~ 10%, ammonia absorptivity >=50%, gas permeability >=500mm/s, 4 ~ 5 grades of water-fastness COLOR FASTNESS, dry strong >=1.8cN/dtex, dryly stretches 18 ~ 22%.
Described milk protein bamboo-carbon viscose fibre is milk protein bamboo charcoal long filament, and dry strong 1.8 ~ 2.5cN/dtex dryly stretches 18 ~ 22%, dry variation≤8% of stretching.
Described milk protein bamboo-carbon viscose fibre is milk protein bamboo charcoal short fiber, and dry strong 2.2 ~ 3.5cN/dtex dryly stretches 18 ~ 20%, dry strong variation≤18%, fault≤4mg/100g.
In bamboo charcoal, the carbon crystallite of similar graphite is arranged by " the capable structure of gyration ", between its crystallite, has strongly been cross-linked to form flourishing microcellular structure.The size of hole is not quite similar, and imperfect structure appears in pore surface, and ash content and other heteroatomic existence in addition make it produce defect and unsaturated valency, thereby its surface have suction-operated.The present invention utilizes the suction-operated of bamboo charcoal, milk protein can be adsorbed well, is difficult for by wash-out.
The preparation method of milk protein bamboo-carbon viscose fibre of the present invention, evenly mixes bamboo charcoal slurry with milk protein solution, and mixed liquor is directly sent to the spinning of spinning board after fully mixing with viscose glue by static mixer, and post processing obtains finished product; The flow velocity that described mixed liquor enters static mixer is greater than the flow velocity that viscose glue enters static mixer.
Because viscose glue enters after the pipeline of static mixer, can solidify and cause line clogging, bamboo charcoal slurry is greater than viscose glue with the flow velocity of milk protein solution mixed liquor, is introduced into pipeline, avoids entering of viscose glue, can not cause plugging.
The preparation method of described milk protein solution is: casein powder is dissolved in aqueous slkali by 10 ~ 30% mass concentration, and pH is 9 ~ 12.Casein powder is dissolved in alkali cleaning environment, but pH value is too high, and solution is gel, mobility variation, and hydrolysis rate aggravation simultaneously, cost increases.
The preparation method of described bamboo charcoal slurry is: in deionized water, add after still dispersant, bamboo charcoal powder, thickener, alkali, through stirring, grinding evenly and get final product.
Described dispersant is still dispersant polyacrylic acid sodium salt, and by weight, addition is 1 ~ 2%.Contribute to bamboo charcoal powder to be uniformly dispersed in water, and free settling not; Meanwhile, solution, without bubble, does not affect the spinnability of fiber.
Described thickener is cellulose thickener, and by weight, addition is 1 ~ 5%.Object is the viscosity that increases bamboo charcoal slurry, consistent with viscosity and the alkalinity of viscose glue, makes it to have compatibility with viscose glue, does not destroy, affects the stability of viscose glue, has guaranteed the spinnability of bamboo-carbon fibre.
Bamboo charcoal slurry of the present invention, the Li Jing≤0.8 μ m of bamboo charcoal, is 4 ~ 6% containing alkali mass fraction, viscosity is 30 ~ 70s(falling ball viscosity).
Viscosity 30 ~ 70 s(falling ball viscosities of viscose glue of the present invention), degree of ripeness 7 ~ 12mL, containing the fine content 8 ~ 10% of alkali 4 ~ 6%, first.
The consisting of of coagulating bath in described spinning process: sulfuric acid 100 ~ 120g/L, sodium sulphate 240 ~ 320g/L, zinc sulfate 10 ~ 15g/L, aluminum sulfate 1 ~ 10g/L; The temperature of coagulating bath is 40 ~ 45 ℃.
In coagulating bath, add the object of aluminum sulfate to be: improve fibre strength, degree of stretching, reduce zinc sulfate consumption, zinc ion is heavy metal, serious to water body, soil pollution, wastewater treatment difficulty.Adding of aluminum sulfate, realize low zinc or without zinc environmental protection spining technology.
Because viscose glue is lower than common viscose fiber with the degree of crystallinity of casein blended fiber, therefore the strict temperature of controlling coagulating bath is 40 ~ 45 ℃; Adopt the acid bath technique of the high salt of low acid simultaneously, utilize protein and cellulose to solidify speed difference, fiber forms skin-core structure, and protein, at fiber surface, provides skin-friendly, and cellulose, at sandwich layer, provides the strength and elongation of fiber.
The spinning mixture temperature of described spinning process is 10 ~ 20 ℃.Because the viscosity of bamboo charcoal is lower, cause the whole viscosity of spinning solution to decline, therefore the setting outline of spinning temperature is lower than common process temperature.Reduce temperature and can prevent that amino acid runs off, spinning solution surface viscosity declines, improve the rheological property of spinning solution, improve the uniformity that bamboo-carbon powder distributes.
In fiber of the present invention, be added with bamboo charcoal, so spinnability and product strength and elongation can reduce, simultaneously due to inhomogeneity reduction, must reduce spinning speed, prevent broken end, improve spinnability.Different according to viscose filament yarn and short fiber technique, take respectively following spinning technique, guarantee spinning good spinning property, and fiber strength and elongation is high simultaneously.
Described milk protein bamboo-carbon viscose fibre is milk protein bamboo charcoal long filament, and technological process is: stoste preparation-spinning-washing-drying-one-tenth cylinder-finished product.
The speed of spinning of described spinning process is 70 ~ 90m/min, jet stretch 0 ~-8%, nervous drawing-off 6 ~ 8%; 70 ~ 100 ℃ of bake out temperatures.
Described milk protein bamboo-carbon viscose fibre is milk protein bamboo charcoal short fiber, and technological process is: stoste preparation-spinning-plasticizing drawing-off-cut-out-washing-drying-finished product.
The speed of spinning of described spinning process is 40 ~ 55m/min, total draft 120 ~ 160%; 100 ~ 140 ℃ of bake out temperatures.
Beneficial effect of the present invention is:
1, milk protein bamboo-carbon viscose fibre of the present invention, in fiber, protein content 0.1 ~ 30%, bamboo charcoal content 0.1 ~ 10%, ammonia absorptivity >=50%, gas permeability >=500mm/s, 4 ~ 5 grades of water-fastness COLOR FASTNESS, dry strong >=1.8cN/dtex, dryly stretches 18 ~ 22%.Milk protein bamboo-carbon viscose fibre bacteriostasis rate of the present invention can reach 56. 8%, and far infrared transmissivity 88. 9%, has significant far-infrared health care function; Rate of ultraviolet shield 99. 0%, has significant rate of ultraviolet shield; Ammonia adsorption rate >=50%, has significant deodorization functions.And have natural fabric softness, pro-skin, moisture absorption and ventilative feature, good with the compatibility of human body skin, taking is good, has good health properties.
In the preparation raw material of the bamboo charcoal slurry that 2, milk protein bamboo-carbon viscose fibre of the present invention adopts, increased thickener and the alkali not having in prior art, object is viscosity and the alkalinity that increases bamboo charcoal slurry, make it consistent with viscosity and the alkalinity of viscose glue, there is compatibility with viscose glue, do not destroy, affect the stability of viscose glue, guaranteed the spinnability of bamboo-carbon fibre.
3, the preparation raw material of bamboo charcoal of the present invention slurry is selected still dispersant polyacrylic acid sodium salt, contributes to bamboo charcoal powder to be uniformly dispersed in water, and free settling not; Meanwhile, solution liquid, without bubble, does not affect the spinnability of fiber, is the further guarantee of bamboo-carbon fibre spinnability.
4, the Li Jing≤0.8 μ m of the bamboo charcoal of bamboo charcoal slurry of the present invention, is 4 ~ 6% containing alkali mass fraction, and viscosity is 30 ~ 70s.Arrange be like this for the viscosity with viscose glue and alkalinity consistent, make it to there is compatibility with viscose glue, do not destroy, affect the stability of viscose glue; Li Jing≤0.8 μ the m of bamboo charcoal, the adsorption function of bamboo charcoal obviously strengthens.Bamboo charcoal slurry adopts above index effectively to guarantee the spinnability of spinning.
5, production technology of the present invention, bamboo charcoal slurry, milk protein solution are directly sent to the spinning of spinning board after fully mixing by static mixer with viscose glue, after mixing, increase again bamboo charcoal storage tank and filter plant, dead time in the middle of reducing, avoid mixed liquor to change, and greatly reduced in daily production process, tear filter open, the waste of viscose glue, bamboo charcoal slurry while rushing jar and pipeline, reduced expense that environmental wastewater administers and the pollution of environment simultaneously.Meanwhile, because viscose glue enters after the pipeline of static mixer, can solidify and cause line clogging, bamboo charcoal slurry is greater than viscose glue with the flow velocity of milk protein solution mixed liquor, is introduced into pipeline, avoids entering of viscose glue, can not cause plugging, guarantees that spinning process carries out smoothly.
6, in spinning process of the present invention coagulating bath consist of the high salt of low acid, temperature is controlled at 40 ~ 45 ℃, and contains aluminum sulfate in the composition of coagulating bath, is in order to improve fibre strength, degree of stretching, and reduces zinc sulfate consumption, realizes low zinc or without zinc environmental protection spining technology; Meanwhile, because viscose glue is lower than common viscose fiber with the degree of crystallinity of casein blended fiber, therefore the strict temperature of controlling coagulating bath is 40 ~ 45 ℃; And adopt the acid bath technique of the high salt of low acid, and utilize protein and cellulose to solidify speed difference, fiber forms skin-core structure, and protein, at fiber surface, provides skin-friendly, and cellulose, at sandwich layer, provides the strength and elongation of fiber.
7, the spinning mixture temperature of spinning process of the present invention is controlled at 10 ~ 20 ℃, because the viscosity of bamboo charcoal is lower, causes the whole viscosity of spinning solution to decline, therefore the setting outline of spinning solution temperature is lower than common process temperature.Reduce temperature and can prevent that amino acid runs off, spinning solution surface viscosity declines, improve the rheological property of spinning solution, improve the uniformity that bamboo-carbon powder distributes.
8, different according to viscose filament yarn and short fiber technique of the present invention, strictly control the technological parameter of spinning respectively.Owing to being added with bamboo charcoal in fiber, so spinnability and product strength and elongation can reduce, and simultaneously due to inhomogeneity reduction, must reduce spinning speed, prevents broken end, improves spinnability.
The specific embodiment
Below in conjunction with the specific embodiment, essentiality content of the present invention is described in further detail.
Embodiment 1
A bamboo-carbon viscose fibre, by weight, in fiber, protein content 0.1%, bamboo charcoal content 0.2%, ammonia absorptivity >=50%, gas permeability >=500mm/s, 4 grades of water-fastness COLOR FASTNESS, dry is 1.8cN/dtex by force, dryly stretches 20%.
Embodiment 2
A bamboo charcoal long filament, by weight, in fiber, protein content 15%, bamboo charcoal content 5%, ammonia absorptivity >=50%, gas permeability >=500mm/s, 5 grades of water-fastness COLOR FASTNESS, dry strong 1.9cN/dtex, dryly stretches 18%, dry variation≤8% of stretching.
Embodiment 3
A bamboo charcoal long filament, by weight, in fiber, protein content 5%, bamboo charcoal content 6%, ammonia absorptivity >=50%, gas permeability >=500mm/s, 4 grades of water-fastness COLOR FASTNESS, dry strong 2.5cN/dtex, dryly stretches 19%, dry variation≤8% of stretching.
Embodiment 4
A bamboo charcoal long filament, by weight, in fiber, protein content 12%, bamboo charcoal content 2%, ammonia absorptivity >=50%, gas permeability >=500mm/s, 5 grades of water-fastness COLOR FASTNESS, dry strong 2.2cN/dtex, dryly stretches 22%, dry variation≤8% of stretching.
Embodiment 5
A bamboo charcoal short fiber, by weight, in fiber, protein content 30%, bamboo charcoal content 10%, ammonia absorptivity >=50%, gas permeability >=500mm/s, 5 grades of water-fastness COLOR FASTNESS, dry strong 2.2cN/dtex, dryly stretch 18%, dry strong variation≤18%, fault≤4mg/100g.
Embodiment 6
A bamboo charcoal short fiber, by weight, in fiber, protein content 20%, bamboo charcoal content 8%, ammonia absorptivity >=50%, gas permeability >=500mm/s, 4 grades of water-fastness COLOR FASTNESS, dry strong 3.5cN/dtex, dryly stretch 20%, dry strong variation≤18%, fault≤4mg/100g.
Embodiment 7
A bamboo charcoal short fiber, by weight, in fiber, protein content 8%, bamboo charcoal content 2.5%, ammonia absorptivity >=50%, gas permeability >=500mm/s, 4 grades of water-fastness COLOR FASTNESS, dry strong 3.0cN/dtex, dryly stretch 19%, dry strong variation≤18%, fault≤4mg/100g.
Embodiment 8
The preparation method of milk protein bamboo-carbon viscose fibre of the present invention, is characterized in that: bamboo charcoal slurry is evenly mixed with milk protein solution, and mixed liquor is directly sent to the spinning of spinning board after fully mixing with viscose glue by static mixer, and post processing obtains finished product; The flow velocity that described mixed liquor enters static mixer is greater than the flow velocity that viscose glue enters static mixer.
Embodiment 9
The embodiment of the present embodiment is substantially the same manner as Example 8, on this basis:
The preparation method of described milk protein solution is: casein powder is dissolved in aqueous slkali by 10% mass concentration, and pH is 9.
Embodiment 10
The embodiment of the present embodiment is substantially the same manner as Example 8, on this basis:
The preparation method of described milk protein solution is: casein powder is dissolved in aqueous slkali by 30% mass concentration, and pH is 12.
The preparation method of described bamboo charcoal slurry is: in deionized water, add after still dispersant, bamboo charcoal powder, thickener, alkali, through stirring, grinding evenly and get final product.
Embodiment 11
The embodiment of the present embodiment is substantially the same manner as Example 8, on this basis:
The preparation method of described milk protein solution is: casein powder is dissolved in aqueous slkali by 20% mass concentration, and pH is 10.
The preparation method of described bamboo charcoal slurry is: in deionized water, add after still dispersant, bamboo charcoal powder, thickener, alkali, through stirring, grinding evenly and get final product.
Described dispersant is still dispersant polyacrylic acid sodium salt, and by weight, addition is 1%.
Embodiment 12
The embodiment of the present embodiment is substantially the same manner as Example 8, on this basis:
The preparation method of described milk protein solution is: casein powder is dissolved in aqueous slkali by 15% mass concentration, and pH is 11.
The preparation method of described bamboo charcoal slurry is: in deionized water, add after still dispersant, bamboo charcoal powder, thickener, alkali, through stirring, grinding evenly and get final product.
Described dispersant is still dispersant polyacrylic acid sodium salt, and by weight, addition is 2%.
In described bamboo charcoal slurry, be also added with cellulose thickener, by weight, addition is 5%.
In described bamboo charcoal slurry, the amount of bamboo charcoal powder is 20%.
Embodiment 13
The embodiment of the present embodiment is substantially the same manner as Example 8, on this basis:
The preparation method of described milk protein solution is: casein powder is dissolved in aqueous slkali by 22% mass concentration, and pH is 9.
The preparation method of described bamboo charcoal slurry is: in deionized water, add after still dispersant, bamboo charcoal powder, thickener, alkali, through stirring, grinding evenly and get final product.
Described dispersant is still dispersant polyacrylic acid sodium salt, and by weight, addition is 1.2%.
In described bamboo charcoal slurry, be also added with cellulose thickener, by weight, addition is 1%.
In described bamboo charcoal slurry, the amount of bamboo charcoal powder is 10%.
Embodiment 14
The embodiment of the present embodiment is substantially the same manner as Example 8, on this basis:
The preparation method of described milk protein solution is: casein powder is dissolved in aqueous slkali by 12% mass concentration, and pH is 10.
The preparation method of described bamboo charcoal slurry is: in deionized water, add after still dispersant, bamboo charcoal powder, thickener, alkali, through stirring, grinding evenly and get final product.
Described dispersant is still dispersant polyacrylic acid sodium salt, and by weight, addition is 1.8%.
In described bamboo charcoal slurry, be also added with cellulose thickener, by weight, addition is 2%.
In described bamboo charcoal slurry, the amount of bamboo charcoal powder is 50%.
Embodiment 15
The embodiment of the present embodiment is substantially the same manner as Example 8, on this basis:
Described bamboo charcoal slurry, the particle diameter of bamboo charcoal is 0.8 μ m, containing alkali mass fraction, is 5%, viscosity is 40s.
Embodiment 16
The embodiment of the present embodiment is substantially the same manner as Example 8, on this basis:
Described bamboo charcoal slurry, the particle diameter of bamboo charcoal is 0.7 μ m, containing alkali mass fraction, is 6%, viscosity is 70s.
Viscosity 70 s, the degree of ripeness 7mL of described viscose glue, containing the fine content 8% of alkali 6%, first.
Embodiment 17
The embodiment of the present embodiment is substantially the same manner as Example 14, on this basis:
Described bamboo charcoal slurry, the particle diameter of bamboo charcoal is 0.6 μ m, containing alkali mass fraction, is 4%, viscosity is 30s.
Viscosity 30 s, the degree of ripeness 12mL of described viscose glue, containing the fine content 10% of alkali 4%, first.
Embodiment 18
The embodiment of the present embodiment is substantially the same manner as Example 14, on this basis:
Described bamboo charcoal slurry, the particle diameter of bamboo charcoal is 0.2 μ m, containing alkali mass fraction, is 4.5%, viscosity is 60s.
The viscosity 60s of described viscose glue, degree of ripeness 10mL, containing the fine content 9% of alkali 4.5%, first.
Embodiment 19
The embodiment of the present embodiment is substantially the same manner as Example 8, on this basis:
The consisting of of coagulating bath in described spinning process: sulfuric acid 100g/L, sodium sulphate 240g/L, zinc sulfate 10g/L, aluminum sulfate 1g/L; The temperature of coagulating bath is 40 ℃.
Embodiment 20
The embodiment of the present embodiment is substantially the same manner as Example 8, on this basis:
The consisting of of coagulating bath in described spinning process: sulfuric acid 120g/L, sodium sulphate 320g/L, zinc sulfate 15g/L, aluminum sulfate 10g/L; The temperature of coagulating bath is 50 ℃.
Embodiment 21
The embodiment of the present embodiment is substantially the same manner as Example 8, on this basis:
The consisting of of coagulating bath in described spinning process: sulfuric acid 105g/L, sodium sulphate 2450g/L, zinc sulfate 12g/L, aluminum sulfate 2g/L; The temperature of coagulating bath is 42 ℃.
The spinning mixture temperature of described spinning process is 20 ℃.
Embodiment 22
The embodiment of the present embodiment is substantially the same manner as Example 14, on this basis:
The consisting of of coagulating bath in described spinning process: sulfuric acid 110g/L, sodium sulphate 250g/L, zinc sulfate 13g/L, aluminum sulfate 3g/L; The temperature of coagulating bath is 45 ℃.
The spinning mixture temperature of described spinning process is 10 ℃.
Embodiment 23
The embodiment of the present embodiment is substantially the same manner as Example 18, on this basis:
The consisting of of coagulating bath in described spinning process: sulfuric acid 115g/L, sodium sulphate 280g/L, zinc sulfate 11g/L, aluminum sulfate 5g/L; The temperature of coagulating bath is 48 ℃.
The spinning mixture temperature of described spinning process is 15 ℃.
Embodiment 24
The embodiment of the present embodiment is substantially the same manner as Example 18, on this basis:
The consisting of of coagulating bath in described spinning process: sulfuric acid 108g/L, sodium sulphate 260g/L, zinc sulfate 12g/L, aluminum sulfate 3g/L; The temperature of coagulating bath is 46 ℃.
The spinning mixture temperature of described spinning process is 18 ℃.
Embodiment 25
The embodiment of the present embodiment is substantially the same manner as Example 8, on this basis:
Described milk protein bamboo-carbon viscose fibre is milk protein bamboo charcoal long filament, and technological process is: stoste preparation-spinning-washing-drying-one-tenth cylinder-finished product.
Embodiment 26
The embodiment of the present embodiment is substantially the same manner as Example 8, on this basis:
Described milk protein bamboo-carbon viscose fibre is milk protein bamboo charcoal long filament, and technological process is: stoste preparation-spinning-washing-drying-one-tenth cylinder-finished product.
The speed of spinning of described spinning process is 70m/min, jet stretch 0%, nervous drawing-off 6%; 70 ℃ of bake out temperatures.
Embodiment 27
The embodiment of the present embodiment is substantially the same manner as Example 18, on this basis:
Described milk protein bamboo-carbon viscose fibre is milk protein bamboo charcoal long filament, and technological process is: stoste preparation-spinning-washing-drying-one-tenth cylinder-finished product.
The speed of spinning of described spinning process is 90m/min, jet stretch-8%, nervous drawing-off 8%; 100 ℃ of bake out temperatures.
Embodiment 28
The embodiment of the present embodiment is substantially the same manner as Example 24, on this basis:
Described milk protein bamboo-carbon viscose fibre is milk protein bamboo charcoal long filament, and technological process is: stoste preparation-spinning-washing-drying-one-tenth cylinder-finished product.
The speed of spinning of described spinning process is 80m/min, jet stretch 2%, nervous drawing-off 7%; 90 ℃ of bake out temperatures.
Embodiment 29
The embodiment of the present embodiment is substantially the same manner as Example 8, on this basis:
Described milk protein bamboo-carbon viscose fibre is milk protein bamboo charcoal short fiber, and technological process is: stoste preparation-spinning-plasticizing drawing-off-cut-out-washing-drying-finished product.
Embodiment 30
The embodiment of the present embodiment is substantially the same manner as Example 8, on this basis:
Described milk protein bamboo-carbon viscose fibre is milk protein bamboo charcoal short fiber, and technological process is: stoste preparation-spinning-plasticizing drawing-off-cut-out-washing-drying-finished product.
The speed of spinning of described spinning process is 40m/min, total draft 120%; 100 ℃ of bake out temperatures.
Embodiment 31
The embodiment of the present embodiment is substantially the same manner as Example 18, on this basis:
Described milk protein bamboo-carbon viscose fibre is milk protein bamboo charcoal short fiber, and technological process is: stoste preparation-spinning-plasticizing drawing-off-cut-out-washing-drying-finished product.
The speed of spinning of described spinning process is 55m/min, total draft 160%; 140 ℃ of bake out temperatures.
Embodiment 32
The embodiment of the present embodiment is substantially the same manner as Example 24, on this basis:
Described milk protein bamboo-carbon viscose fibre is milk protein bamboo charcoal short fiber, and technological process is: stoste preparation-spinning-plasticizing drawing-off-cut-out-washing-drying-finished product.
The speed of spinning of described spinning process is 50m/min, total draft 150%; 120 ℃ of bake out temperatures.
Embodiment 33
The embodiment of the present embodiment is substantially the same manner as Example 8, on this basis:
Described milk protein bamboo-carbon viscose fibre is milk protein bamboo charcoal short fiber, and technological process is: stoste preparation-spinning-plasticizing drawing-off-cut-out-washing-drying-finished product.
The speed of spinning of described spinning process is 45m/min, total draft 130%; 110 ℃ of bake out temperatures.
Claims (16)
1. a milk protein bamboo-carbon viscose fibre, is characterized in that: by weight, in fiber, protein content 0.1 ~ 30%, bamboo charcoal content 0.1 ~ 10%, ammonia absorptivity >=50%, gas permeability >=500mm/s, 4 ~ 5 grades of water-fastness COLOR FASTNESS, dry strong >=1.8cN/dtex, dryly stretches 18 ~ 22%.
2. a kind of milk protein bamboo-carbon viscose fibre according to claim 1, is characterized in that: described milk protein bamboo-carbon viscose fibre is milk protein bamboo charcoal long filament, and dry strong 1.8 ~ 2.5cN/dtex dryly stretches 18 ~ 22%, dry variation≤8% of stretching.
3. a kind of milk protein bamboo-carbon viscose fibre according to claim 1, it is characterized in that: described milk protein bamboo-carbon viscose fibre is milk protein bamboo charcoal short fiber that dry strong 2.2 ~ 3.5cN/dtex dryly stretches 18 ~ 20%, dry strong variation≤18%, fault≤4mg/100g.
4. the preparation method of a kind of milk protein bamboo-carbon viscose fibre according to claim 1, it is characterized in that: bamboo charcoal slurry is evenly mixed with milk protein solution, mixed liquor is directly sent to the spinning of spinning board after fully mixing with viscose glue by static mixer, and post processing obtains finished product; The flow velocity that described mixed liquor enters static mixer is greater than the flow velocity that viscose glue enters static mixer.
5. the preparation method of a kind of milk protein bamboo-carbon viscose fibre according to claim 4, is characterized in that: the preparation method of described milk protein solution is: casein powder is dissolved in aqueous slkali by 10 ~ 30% mass concentration, and pH is 9 ~ 12.
6. the preparation method of a kind of milk protein bamboo-carbon viscose fibre according to claim 5, it is characterized in that: the preparation method of described bamboo charcoal slurry is: in deionized water, add after still dispersant, bamboo charcoal powder, thickener, alkali, through stirring, grinding evenly and get final product.
7. the preparation method of a kind of milk protein bamboo-carbon viscose fibre according to claim 5, is characterized in that: described dispersant is still dispersant polyacrylic acid sodium salt, and by weight, addition is 1 ~ 2%.
8. the preparation method of a kind of milk protein bamboo-carbon viscose fibre according to claim 4, is characterized in that: in described bamboo charcoal slurry, be also added with cellulose thickener, by weight, addition is 1 ~ 5%.
9. the preparation method of a kind of milk protein bamboo-carbon viscose fibre according to claim 4, is characterized in that: described bamboo charcoal is starched, and the Li Jing≤0.8 μ m of bamboo charcoal, is 4 ~ 6% containing alkali mass fraction, and viscosity is 30 ~ 70s.
10. the preparation method of a kind of milk protein bamboo-carbon viscose fibre according to claim 4, is characterized in that: viscosity 30 ~ 70 s, the degree of ripeness 7 ~ 12mL of described viscose glue, containing alkali 4 ~ 6%, the fine content 8 ~ 10% of first.
The preparation method of 11. a kind of milk protein bamboo-carbon viscose fibres according to claim 4, it is characterized in that: the consisting of of coagulating bath in described spinning process: sulfuric acid 100 ~ 120g/L, sodium sulphate 240 ~ 320g/L, zinc sulfate 10 ~ 15g/L, aluminum sulfate 1 ~ 10g/L; The temperature of coagulating bath is 40 ~ 45 ℃.
The preparation method of 12. a kind of milk protein bamboo-carbon viscose fibres according to claim 4, is characterized in that: the spinning mixture temperature of described spinning process is 10 ~ 20 ℃.
The preparation method of 13. a kind of milk protein bamboo-carbon viscose fibres according to claim 4, it is characterized in that: described milk protein bamboo-carbon viscose fibre is milk protein bamboo charcoal long filament, and technological process is: stoste preparation-spinning-washing-drying-one-tenth cylinder-finished product.
The preparation method of 14. a kind of milk protein bamboo-carbon viscose fibres according to claim 13, is characterized in that: the speed of spinning of described spinning process is 70 ~ 90m/min, jet stretch 0 ~-8%, nervous drawing-off 6 ~ 8%; 70 ~ 100 ℃ of bake out temperatures.
The preparation method of 15. a kind of milk protein bamboo-carbon viscose fibres according to claim 4, it is characterized in that: described milk protein bamboo-carbon viscose fibre is milk protein bamboo charcoal short fiber, and technological process is: stoste preparation-spinning-plasticizing drawing-off-cut-out-washing-drying-finished product.
The preparation method of 16. a kind of milk protein bamboo-carbon viscose fibres according to claim 15, is characterized in that: the speed of spinning of described spinning process is 40 ~ 55m/min, total draft 120 ~ 160%; 100 ~ 140 ℃ of bake out temperatures.
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