CN103556271B - A kind of pupa protein bamboo charcoal viscose fiber and preparation method thereof - Google Patents
A kind of pupa protein bamboo charcoal viscose fiber and preparation method thereof Download PDFInfo
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- CN103556271B CN103556271B CN201310527882.2A CN201310527882A CN103556271B CN 103556271 B CN103556271 B CN 103556271B CN 201310527882 A CN201310527882 A CN 201310527882A CN 103556271 B CN103556271 B CN 103556271B
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Abstract
The present invention, in order to make up the blank of current pupa protein bamboo charcoal viscose fiber, solves the problem of bamboo-carbon viscose fibre spinnability difference, provides a kind of pupa protein bamboo charcoal viscose fiber and preparation method thereof.It is characterized in that: by spinning front injection, bamboo charcoal pulp being mixed with viscose glue with pupa protein solution, obtaining finished product through wet spinning, post processing; By weight, protein content 0.1 ~ 25% in fiber, bamboo charcoal content 0.1 ~ 10%, ammonia absorptivity >=50%, gas permeability >=500mm/s, water-fastness COLOR FASTNESS 4 ~ 5 grades.Pupa protein bamboo charcoal viscose fiber of the present invention not only has antibacterial, uvioresistant, deodorization functions, has good gas permeability, hygroscopicity, and soft, is rich in gloss as silk, has extraordinary taking.
Description
Technical field
The present invention relates to textile industry viscose glue technical field, be specifically related to a kind of pupa protein bamboo charcoal viscose fiber and preparation method thereof.
Background technology
Bamboo charcoal is primarily of element compositions such as charcoal, hydrogen, oxygen, and quality is hard, fine and closely woven porous, high adsorption capacity, its adsorption capacity is more than 10 times of same volume charcoal, and contained mineral matter is more than 5 times of same volume charcoal, therefore has the function of good deodorizing, anticorrosion, adsorb peculiar smell.Nano bamboo micro mist also has effect of good antibacterial, sterilization, can adsorb and in and acidic materials contained by sweat, reach effect of skin whitening.Moreover, the emissive material of bamboo charcoal or good far infrared and anion.The blended health fiber of bamboo charcoal can transmitting anion and add and do not damage equipment again man-hour, the shortcoming that when overcoming negative-ion fiber processing fabric, card grinding is serious, the dark welcome by processing client and favor.Except above advantage, due to own characteristic, bamboo charcoal blended fiber also has antistatic behaviour and electromagnetic radiation resisting function, and succeeding in developing of it brings more benefit to human health.Can say that bamboo charcoal blended fiber meets the various selection of people to health product, also meet the requirement of fabric manufacturer, be have the various functions fiber type advantages such as magnetic health care fiber, far IR fibre, anti-bacterial fibre simultaneously
Upgrading new product, wide market.
As CN200610037895.1, the patent of invention that name is called " bamboo-carbon viscose fibre and manufacture method thereof ", discloses bamboo-carbon viscose fibre and manufacture method thereof.This bamboo-carbon viscose fibre, containing 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 after adding dispersant and bamboo charcoal micropowder in deionized water, 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.Thus, greatly affect the spinnability of fiber, and bamboo charcoal skewness on the finished product produced.
CN200710015036.7, name is called the patent of invention of " bamboo charcoal cellulose fiber and manufacture method thereof ", disclose a kind of bamboo charcoal cellulose fiber and manufacture method thereof, for cellulose is made spinning solution by ion liquid dissolving, the sex change spinning solution made after adding bamboo charcoal nano again, 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: do not further investigate the preparation of bamboo charcoal nano solution, have 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 ", disclose a kind of production technology of bamboo-carbon viscose fibre, comprising step is: by bamboo charcoal micropowder and porphines cobalt microparticulate in organic solvent and stir, obtain mixing serum, pulp is carried out flood, squeeze and the experienced cellulose obtaining deriving from natural plants; Described cellulose is joined in described mixing serum dissolve and deaeration obtain spinning solution, spinning solution is extruded by Spinning pumps, in solidification liquid solidification obtain 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 uneven.
Pupa protein fiber is a kind of multicomponent regenerated fiber that China develops in recent years, and it is that through the tencel of wet spinning, this fiber is formed by the viscose glue of 70% and the pupa albumen blending of 30% with pupa albumen and natural wood pulp for raw material.Silkworm protein fiber belongs to azlon, and its raw material silkworm chrysalis has stronger recyclability, can not threaten to earth resource, meets the requirement of Green Textiles.Because containing more polarity gene on pupa protein structure, therefore fiber has higher hygroscopicity and the sympathy of skin, is comfortable and easy to wearly liked by people.Thus, with all kinds of high-grade dress ornament of pupa protein fiber processing, the demand that people are multi-faceted can be met.Domestic at present pupa protein bamboo charcoal viscose fiber to be have not been reported.
Summary of the invention
The present invention, in order to make up the blank of current pupa protein bamboo charcoal viscose fiber, adapts to the demand of produce market client, solves the problem of current viscose spinnability difference, provide a kind of pupa protein bamboo charcoal viscose fiber and preparation method thereof.Pupa protein bamboo charcoal viscose fiber of the present invention not only has antibacterial, 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 kind of pupa protein bamboo charcoal viscose fiber, is characterized in that: bamboo charcoal pulp being mixed with viscose glue with pupa protein solution by spinning front injection, obtaining finished product through wet spinning, post processing; By weight, protein content 0.1 ~ 25% in fiber, bamboo charcoal content 0.1 ~ 10%, ammonia absorptivity >=50%, gas permeability >=500mm/s, water-fastness COLOR FASTNESS 4 ~ 5 grades.
Described pupa protein bamboo charcoal viscose fiber is pupa albumen bamboo charcoal long filament, dry strong 1.6 ~ 2.5cN/dtex, dryly stretches 18 ~ 22%, dryly stretches variation≤8%.
Described pupa protein bamboo charcoal viscose fiber is pupa albumen bamboo charcoal short fiber, 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 by " the capable structure of gyration " arrangement, has strongly been cross-linked to form flourishing microcellular structure between its crystallite.The size of hole is not quite similar, and imperfect structures appears in pore surface, in addition ash content and other heteroatomic existence, and make it produce defect and unsaturated valency, thus its surface has suction-operated.The present invention utilizes the suction-operated of bamboo charcoal, pupa albumen can be adsorbed well, not easily by wash-out.
The preparation method of pupa protein bamboo charcoal viscose fiber of the present invention, by bamboo charcoal pulp and pupa protein solution Homogeneous phase mixing, mixed liquor is directly sent to the spinning of spinning board after fully being mixed with viscose glue by static mixer, 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.
After viscose glue enters the pipeline of static mixer, can solidify and cause line clogging, the flow velocity of bamboo charcoal pulp and pupa protein solution mixed liquor is greater than viscose glue, is introduced into pipeline, avoids entering of viscose glue, can not cause plugging.
The preparation method of described pupa protein solution is: pupa albumen powder is dissolved in aqueous slkali by the mass concentration of 10 ~ 30%, and solution ph is 9 ~ 12.Pupa albumen powder is dissolved in alkali cleaning environment, but pH value is too high, and solution is gel, and mobility is deteriorated, and hydrolysis rate aggravation simultaneously, cost increases.
The preparation method of described bamboo charcoal pulp is: after adding still dispersant, bamboo charcoal powder, thickener, alkali in deionized water, and through stirring, grinding is even 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 not free settling; Meanwhile, solution bubble-free, does not affect the spinnability of fiber.
Described thickener is cellulose thickener, and by weight, addition is 1 ~ 5%.Object increases the viscosity of bamboo charcoal pulp, consistent with the viscosity of viscose glue and alkalinity, makes it to have compatibility with viscose glue, do not destroy, affect the stability of viscose glue, ensure that the spinnability of bamboo-carbon fibre.
Bamboo charcoal pulp of the present invention, Li Jing≤0.8 μm of bamboo charcoal is 4 ~ 6% containing alkali mass fraction, and viscosity is 30 ~ 70s(falling ball viscosity).
Viscosity 30 ~ 70 s(falling ball viscosity of viscose glue of the present invention), degree of ripeness 7 ~ 12mL, containing alkali 4 ~ 6%, the fine content 8 ~ 10% of first.
The consisting of of coagulating bath in described spinning process: sulfuric acid 100 ~ 120g/L, sodium sulphate 240 ~ 320g/L, zinc sulfate 5 ~ 8g/L, aluminum sulfate 1 ~ 10g/L; The temperature of coagulating bath is 45 ~ 55 DEG C.
The object adding aluminum sulfate in coagulating bath is: improve fibre strength, degree of stretching, and reduce zinc sulfate consumption, zinc ion is heavy metal, to water body, soil pollution seriously, and 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 pupa protein blend fiber, the temperature of therefore strict control solidi fication bath is 40 ~ 45 DEG C; Adopt the acid bath technique of the high salt of low acid, utilize protein and cellulose to solidify speed difference, processbearing astrocyte skin-core structure, protein, at fiber surface, provides skin-friendly simultaneously, and cellulose, at sandwich layer, provides the strength and elongation of fiber.
The spinning mixture temperature of described spinning process is 10 ~ 20 DEG C.Because the viscosity of bamboo charcoal is lower, cause the overall viscosity of spinning solution to decline, therefore the setting outline of spinning temperature is lower than common process temperature.Reduce temperature and can prevent amino acid loss, the decline of spinning solution surface viscosity, improve the rheological property of spinning solution, improve the uniformity of bamboo-carbon powder distribution.
Be added with bamboo charcoal in fiber of the present invention, therefore spinnability and product strength and elongation can reduce, and simultaneously due to the reduction of uniformity, must reduce spinning speed, prevent broken end, improve spinnability.Different according to viscose filament yarn and short fiber technique, take following spinning technique respectively, ensure spinning good spinning property, fiber strength and elongation is high simultaneously.
Described pupa bamboo-carbon viscose fibre is pupa 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%; Bake out temperature 70 ~ 100 DEG C.
Described pupa bamboo-carbon viscose fibre is pupa 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%; Bake out temperature 100 ~ 140 DEG C.
Beneficial effect of the present invention is:
1, pupa protein bamboo charcoal viscose fiber of the present invention, protein content 0.1 ~ 25% in fiber, bamboo charcoal content 0.1 ~ 10%, ammonia absorptivity >=50%, gas permeability >=500mm/s, water-fastness COLOR FASTNESS 4 ~ 5 grades.Pupa protein bamboo charcoal viscose fiber 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.
2, the thickener and alkali that do not have in prior art is added in the preparation raw material of bamboo charcoal pulp that pupa protein bamboo charcoal viscose fiber of the present invention adopts, object is the viscosity and the alkalinity that increase bamboo charcoal pulp, make it consistent with the viscosity of viscose glue and alkalinity, with viscose glue, there is compatibility, do not destroy, affect the stability of viscose glue, ensure that the spinnability of bamboo-carbon fibre.
3, the preparation raw material of bamboo charcoal pulp of the present invention selects still dispersant polyacrylic acid sodium salt, contributes to bamboo charcoal powder and is uniformly dispersed in water, and not free settling; Meanwhile, solution liquid bubble-free, does not affect the spinnability of fiber, is the further guarantee of bamboo-carbon fibre spinnability.
4, Li Jing≤0.8 μm of the bamboo charcoal of bamboo charcoal pulp of the present invention is 4 ~ 6% containing alkali mass fraction, and viscosity is 30 ~ 70 s.Such setting is in order to consistent with the viscosity and alkalinity of viscose glue, makes it to have compatibility with viscose glue, does not destroy, affects the stability of viscose glue; Li Jing≤0.8 μm of bamboo charcoal, the adsorption function of bamboo charcoal obviously strengthens.Bamboo charcoal pulp adopts above index effectively to ensure that the spinnability of spinning.
5, production technology of the present invention, bamboo charcoal pulp, pupa protein solution are directly sent to the spinning of spinning board after fully being mixed by static mixer with viscose glue, without the need to increasing bamboo charcoal storage tank and filter plant again after mixing, reduce the intermediate hold time, mixed liquor is avoided to change, and greatly reduce in daily production process and tear filter open, the waste of viscose glue, bamboo charcoal pulp when rushing jar and pipeline, reduce the pollution of expense that environmental wastewater administers and environment simultaneously.Meanwhile, after viscose glue enters the pipeline of static mixer, can solidify and cause line clogging, the flow velocity of bamboo charcoal pulp and pupa protein solution mixed liquor is greater than viscose glue, 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 controls at 40 ~ 45 DEG C, and containing aluminum sulfate in the composition of coagulating bath, is 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 pupa protein blend fiber, the temperature of therefore strict control solidi fication bath is 40 ~ 45 DEG C; And adopt the acid bath technique of the high salt of low acid, utilize protein and cellulose to solidify speed difference, processbearing astrocyte skin-core structure, 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 controls at 10 ~ 20 DEG C, because the viscosity of bamboo charcoal is lower, cause the overall 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 amino acid loss, the decline of spinning solution surface viscosity, improve the rheological property of spinning solution, improve the uniformity of bamboo-carbon powder distribution.
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, therefore spinnability and product strength and elongation can reduce, and simultaneously due to the reduction of uniformity, must reduce spinning speed, prevent broken end, improve spinnability.
Detailed description of the invention
Below in conjunction with detailed description of the invention, essentiality content of the present invention is described in further detail.
Embodiment 1
A kind of pupa protein bamboo charcoal viscose fiber, mixing bamboo charcoal pulp with viscose glue with pupa protein solution by spinning front injection, obtaining finished product through wet spinning, post processing; By weight, protein content 0.1% in fiber, bamboo charcoal content 0.1%, ammonia absorptivity >=50%, gas permeability >=500mm/s, water-fastness COLOR FASTNESS 4 grades.
Embodiment 2
A kind of pupa albumen bamboo charcoal long filament, mixing bamboo charcoal pulp with viscose glue with pupa protein solution by spinning front injection, obtaining finished product through wet spinning, post processing; By weight, protein content 10% in fiber, bamboo charcoal content 3%, ammonia absorptivity >=50%, gas permeability >=500mm/s, water-fastness COLOR FASTNESS 5 grades, dry strong 1.6cN/dtex, dryly stretches 18%, dryly stretches variation≤8%.
Embodiment 3
A kind of pupa albumen bamboo charcoal long filament, mixing bamboo charcoal pulp with viscose glue with pupa protein solution by spinning front injection, obtaining finished product through wet spinning, post processing; By weight, protein content 25% in fiber, bamboo charcoal content 10%, ammonia absorptivity >=50%, gas permeability >=500mm/s, water-fastness COLOR FASTNESS 5 grades, dry strong 2.5cN/dtex, dryly stretches 22%, dryly stretches variation≤8%.
Embodiment 4
A kind of pupa albumen bamboo charcoal long filament, mixing bamboo charcoal pulp with viscose glue with pupa protein solution by spinning front injection, obtaining finished product through wet spinning, post processing; By weight, protein content 15% in fiber, bamboo charcoal content 6%, ammonia absorptivity >=50%, gas permeability >=500mm/s, water-fastness COLOR FASTNESS 4 grades, dry strong 2.2cN/dtex, dryly stretches 20%, dryly stretches variation≤8%.
Embodiment 5
A kind of pupa albumen bamboo charcoal short fiber, mixing bamboo charcoal pulp with viscose glue with pupa protein solution by spinning front injection, obtaining finished product through wet spinning, post processing; By weight, protein content 5% in fiber, bamboo charcoal content 0.8%, ammonia absorptivity >=50%, gas permeability >=500mm/s, water-fastness COLOR FASTNESS 4 grades, dry strong 2.2cN/dtex, dryly stretches 18%, dry strong variation≤18%, fault≤4mg/100g.
Embodiment 6
A kind of pupa albumen bamboo charcoal short fiber, mixing bamboo charcoal pulp with viscose glue with pupa protein solution by spinning front injection, obtaining finished product through wet spinning, post processing; By weight, protein content 7% in fiber, bamboo charcoal content 6%, ammonia absorptivity >=50%, gas permeability >=500mm/s, water-fastness COLOR FASTNESS 5 grades, dry strong 3.5cN/dtex, dryly stretches 20%, dry strong variation≤18%, fault≤4mg/100g.
Embodiment 7
A kind of pupa albumen bamboo charcoal short fiber, mixing bamboo charcoal pulp with viscose glue with pupa protein solution by spinning front injection, obtaining finished product through wet spinning, post processing; By weight, protein content 20% in fiber, bamboo charcoal content 8%, ammonia absorptivity >=50%, gas permeability >=500mm/s, water-fastness COLOR FASTNESS 4 grades, dry strong 3.1cN/dtex, dryly stretches 19%, dry strong variation≤18%, fault≤4mg/100g.
Embodiment 8
The preparation method of pupa protein bamboo charcoal viscose fiber of the present invention, by bamboo charcoal pulp and pupa protein solution Homogeneous phase mixing, mixed liquor is directly sent to the spinning of spinning board after fully being mixed with viscose glue by static mixer, 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 pupa protein solution is: pupa albumen powder is dissolved in aqueous slkali by the mass concentration of 20%, and solution ph is 10.
Embodiment 10
The embodiment of the present embodiment is substantially the same manner as Example 8, on this basis:
The preparation method of described pupa protein solution is: pupa albumen powder is dissolved in aqueous slkali by the mass concentration of 10%, and solution ph is 9.
The preparation method of described bamboo charcoal pulp is: after adding still dispersant, bamboo charcoal powder, thickener, alkali in deionized water, and through stirring, grinding is even 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 pupa protein solution is: pupa albumen powder is dissolved in aqueous slkali by the mass concentration of 30%, and solution ph is 12.
The preparation method of described bamboo charcoal pulp is: after adding still dispersant, bamboo charcoal powder, thickener, alkali in deionized water, and through stirring, grinding is even 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 pupa protein solution is: pupa albumen powder is dissolved in aqueous slkali by the mass concentration of 10 ~ 30%, and solution ph is 11.
The preparation method of described bamboo charcoal pulp is: after adding still dispersant, bamboo charcoal powder, thickener, alkali in deionized water, and through stirring, grinding is even and get final product.
Described dispersant is still dispersant polyacrylic acid sodium salt, and by weight, addition is 1.2%.
Also be added with cellulose thickener in described bamboo charcoal pulp, by weight, addition is 1%.
In described bamboo charcoal pulp, the amount of bamboo charcoal powder is 50%.
Embodiment 13
The embodiment of the present embodiment is substantially the same manner as Example 8, on this basis:
The preparation method of described pupa protein solution is: pupa albumen powder is dissolved in aqueous slkali by the mass concentration of 12%, and solution ph is 9.
The preparation method of described bamboo charcoal pulp is: after adding still dispersant, bamboo charcoal powder, thickener, alkali in deionized water, and through stirring, grinding is even and get final product.
Described dispersant is still dispersant polyacrylic acid sodium salt, and by weight, addition is 2%.
Also be added with cellulose thickener in described bamboo charcoal pulp, by weight, addition is 5%.
In described bamboo charcoal pulp, the amount of bamboo charcoal powder is 35%.
Embodiment 14
The embodiment of the present embodiment is substantially the same manner as Example 8, on this basis:
The preparation method of described pupa protein solution is: pupa albumen powder is dissolved in aqueous slkali by the mass concentration of 18%, and solution ph is 11.
The preparation method of described bamboo charcoal pulp is: after adding still dispersant, bamboo charcoal powder, thickener, alkali in deionized water, and through stirring, grinding is even and get final product.
Described dispersant is still dispersant polyacrylic acid sodium salt, and by weight, addition is 1.5%.
Also be added with cellulose thickener in described bamboo charcoal pulp, by weight, addition is 4%.
In described bamboo charcoal pulp, the amount of bamboo charcoal powder is 10%.
Embodiment 15
The embodiment of the present embodiment is substantially the same manner as Example 8, on this basis:
Described bamboo charcoal pulp, the particle diameter of bamboo charcoal is 0.8 μm, is 5% containing alkali mass fraction, and 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 pulp, the particle diameter of bamboo charcoal is 0.7 μm, is 6% containing alkali mass fraction, and viscosity is 70s.
Viscosity 70 s, the degree of ripeness 7mL of described viscose glue, containing alkali 6%, the fine content 8% of first.
Embodiment 17
The embodiment of the present embodiment is substantially the same manner as Example 14, on this basis:
Described bamboo charcoal pulp, the particle diameter of bamboo charcoal is 0.6 μm, is 4% containing alkali mass fraction, and viscosity is 30s.
Viscosity 30 s, the degree of ripeness 12mL of described viscose glue, containing alkali 4%, the fine content 10% of first.
Embodiment 18
The embodiment of the present embodiment is substantially the same manner as Example 14, on this basis:
Described bamboo charcoal pulp, the particle diameter of bamboo charcoal is 0.2 μm, is 4.5% containing alkali mass fraction, and viscosity is 60s.
Viscosity 60s, the degree of ripeness 10mL of described viscose glue, containing alkali 4.5%, the fine content 9% of 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 7g/L, aluminum sulfate 1g/L; The temperature of coagulating bath is 46 DEG C.
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 8g/L, aluminum sulfate 10g/L; The temperature of coagulating bath is 50 DEG C.
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 6g/L, aluminum sulfate 2g/L; The temperature of coagulating bath is 52 DEG C.
The spinning mixture temperature of described spinning process is 20 DEG C.
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 5g/L, aluminum sulfate 3g/L; The temperature of coagulating bath is 55 DEG C.
The spinning mixture temperature of described spinning process is 10 DEG C.
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 6g/L, aluminum sulfate 5g/L; The temperature of coagulating bath is 48 DEG C.
The spinning mixture temperature of described spinning process is 15 DEG C.
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 7g/L, aluminum sulfate 3g/L; The temperature of coagulating bath is 45 DEG C.
The spinning mixture temperature of described spinning process is 18 DEG C.
Embodiment 25
The embodiment of the present embodiment is substantially the same manner as Example 8, on this basis:
Described pupa protein bamboo charcoal viscose fiber is pupa albumen 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 pupa protein bamboo charcoal viscose fiber is pupa albumen 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%; Bake out temperature 70 DEG C.
Embodiment 27
The embodiment of the present embodiment is substantially the same manner as Example 18, on this basis:
Described pupa protein bamboo charcoal viscose fiber is pupa albumen 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%; Bake out temperature 100 DEG C.
Embodiment 28
The embodiment of the present embodiment is substantially the same manner as Example 24, on this basis:
Described pupa protein bamboo charcoal viscose fiber is pupa albumen 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%; Bake out temperature 90 DEG C.
Embodiment 29
The embodiment of the present embodiment is substantially the same manner as Example 8, on this basis:
Described pupa protein bamboo charcoal viscose fiber is pupa albumen 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 pupa protein bamboo charcoal viscose fiber is pupa albumen 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%; Bake out temperature 100 DEG C.
Embodiment 31
The embodiment of the present embodiment is substantially the same manner as Example 18, on this basis:
Described pupa protein bamboo charcoal viscose fiber is pupa albumen 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%; Bake out temperature 140 DEG C.
Embodiment 32
The embodiment of the present embodiment is substantially the same manner as Example 24, on this basis:
Described pupa protein bamboo charcoal viscose fiber is pupa albumen 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%; Bake out temperature 120 DEG C.
Embodiment 33
The embodiment of the present embodiment is substantially the same manner as Example 24, on this basis:
Described pupa protein bamboo charcoal viscose fiber is pupa albumen 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%; Bake out temperature 110 DEG C.
Claims (10)
1. a preparation method for pupa protein bamboo charcoal viscose fiber, is characterized in that: by bamboo charcoal pulp and pupa protein solution Homogeneous phase mixing, mixed liquor is directly sent to the spinning of spinning board after fully being mixed with viscose glue by static mixer, post processing obtains finished product; By weight, protein content 0.1 ~ 25% in fiber, bamboo charcoal content 0.1 ~ 10%, ammonia absorptivity >=50%, gas permeability >=500mm/s, water-fastness COLOR FASTNESS 4 ~ 5 grades;
The preparation method of described bamboo charcoal pulp is: after adding still dispersant, bamboo charcoal powder, thickener, alkali in deionized water, and through stirring, grinding is even and get final product;
Described dispersant is still dispersant polyacrylic acid sodium salt, and by weight, addition is 1 ~ 2%;
Also be added with cellulose thickener in described bamboo charcoal pulp, by weight, addition is 1 ~ 5%;
Described bamboo charcoal pulp, Li Jing≤0.8 μm of bamboo charcoal is 4 ~ 6% containing alkali mass fraction, and viscosity is 30 ~ 70s;
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.
2. the preparation method of a kind of pupa protein bamboo charcoal viscose fiber according to claim 1, is characterized in that: described pupa protein bamboo charcoal viscose fiber is pupa albumen bamboo charcoal long filament, dry strong 1.6 ~ 2.5cN/dtex, dryly stretches 18 ~ 22%, dryly stretches variation≤8%.
3. the preparation method of a kind of pupa protein bamboo charcoal viscose fiber according to claim 1, it is characterized in that: described pupa protein bamboo charcoal viscose fiber is pupa albumen bamboo charcoal short fiber, dry strong 2.2 ~ 3.5cN/dtex, dryly stretch 18 ~ 20%, dry strong variation≤18%, fault≤4mg/100g.
4. the preparation method of a kind of pupa protein bamboo charcoal viscose fiber according to claim 1, it is characterized in that: the preparation method of described pupa protein solution is: pupa albumen powder is dissolved in aqueous slkali by the mass concentration of 10 ~ 30%, solution ph is 9 ~ 12.
5. the preparation method of a kind of pupa protein bamboo charcoal viscose fiber according to claim 1, 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 5 ~ 8g/L, aluminum sulfate 1 ~ 10g/L; The temperature of coagulating bath is 45 ~ 55 DEG C.
6. the preparation method of a kind of pupa protein bamboo charcoal viscose fiber according to claim 1, is characterized in that: the spinning mixture temperature of described spinning process is 10 ~ 20 DEG C.
7. the preparation method of a kind of pupa protein bamboo charcoal viscose fiber according to claim 1, is characterized in that: described pupa protein bamboo charcoal viscose fiber is pupa albumen bamboo charcoal long filament, and technological process is: stoste preparation-spinning-washing-drying-one-tenth cylinder-finished product.
8. the preparation method of a kind of pupa protein bamboo charcoal viscose fiber according to claim 7, 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%; Bake out temperature 70 ~ 100 DEG C.
9. the preparation method of a kind of pupa protein bamboo charcoal viscose fiber according to claim 1, it is characterized in that: described pupa protein bamboo charcoal viscose fiber is pupa albumen bamboo charcoal short fiber, and technological process is: stoste preparation-spinning-plasticizing drawing-off-cut-out-washing-drying-finished product.
10. the preparation method of a kind of pupa protein bamboo charcoal viscose fiber according to claim 9, is characterized in that: the speed of spinning of described spinning process is 40 ~ 55m/min, total draft 120 ~ 160%; Bake out temperature 100 ~ 140 DEG C.
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