CN103556268A - Flame-retardant bamboo charcoal viscose fiber and preparation method thereof - Google Patents
Flame-retardant bamboo charcoal viscose fiber and preparation method thereof Download PDFInfo
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Abstract
The invention provides a flame-retardant bamboo charcoal viscose fiber and a preparation method thereof, in order to meet the requirements of clients on product markets and solve the problem of poor spinnability of the bamboo charcoal fiber. The fiber is characterized by being prepared through the following steps: mixing flame-retardant bamboo charcoal solution with viscose through injection before spinning and then performing wet spinning and post-treatment to obtain the finished product, wherein the content of a flame retardant in the fiber is 5-15 percent of weight, the content of the bamboo charcoal is 0.1-10 percent by weight, the limit oxygen index is greater than or equal to 28, the ammonia absorption rate is greater than 50 percent, the permeability is greater than or equal to 500mm/s, and the color fastness to washing is class 4-5. The prepared flame-retardant bamboo charcoal viscose fiber is a new product, which has antibacterial, anti-ultraviolet and deodorization functions, good permeability and wet absorption and lasting flame-retardant performance.
Description
Technical field
The present invention relates to textile industry viscose glue technical field, be specifically related to a kind of anti-flaming bamboo charcoal viscose fiber 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.
Summary of the invention
The present invention, in order to adapt to produce market client's demand, solves the poor problem of bamboo-carbon fibre spinnability, and a kind of anti-flaming bamboo charcoal viscose fiber and preparation method thereof is provided.Anti-flaming bamboo charcoal viscose fiber of the present invention is a kind of new product, not only has antibiotic, uvioresistant, deodorization functions, has good gas permeability, hygroscopicity, and has lasting fire resistance.
For achieving the above object, the present invention adopts following technical scheme:
A kind of anti-flaming bamboo charcoal viscose fiber, it is characterized in that: by spinning front injection, fire-retardant bamboo charcoal solution is injected to viscose glue, through wet spinning, post processing, obtain finished product, by weight, in fiber, flame retardant agent content 5 ~ 15%, bamboo charcoal content 0.1 ~ 10%, Ji Xian Yang is Zhied Shuo≤28, ammonia absorptivity >=50%, gas permeability >=500mm/s, 4 ~ 5 grades of water-fastness COLOR FASTNESS.
Described anti-flaming bamboo charcoal viscose fiber is fire-retardant bamboo charcoal viscose filament yarn, and dry strong 1.6 ~ 2.5cN/dtex dryly stretches 16 ~ 22%, dry variation≤8% of stretching.
Described anti-flaming bamboo charcoal viscose fiber is fire-retardant bamboo charcoal short rayon fiber, and dry strong 2.2 ~ 3.5cN/dtex dryly stretches 16 ~ 20%, dry strong variation≤18%, fault≤4mg/100g.
Co-mixing system is with the increase of fire retardant addition, and its apparent viscosity significantly declines, and causes strand slivering difficulty, and therefore, the content that strictly control fire retardant is 5 ~ 15%.
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, fire retardant can be adsorbed well, is difficult for by wash-out.
Described fire retardant is phosphorus flame retardant, and phosphorus flame retardant and viscose glue have good compatibility, and can be evenly distributed in viscose solution.
By weight, fire retardant accounts for 20 ~ 50% of agglomerate material to described fire-retardant master granule.Carrier under this ratio is best to the defencive function of fire retardant, and fire retardant can be adsorbed better by bamboo charcoal.
The former preparation method of anti-flaming bamboo charcoal viscose fiber of the present invention, is directly sent to the spinning of spinning board after fire-retardant bamboo charcoal solution is fully mixed by static mixer with viscose glue, and post processing obtains finished product; The flow velocity that described fire-retardant bamboo charcoal solution 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, the flow velocity of fire-retardant bamboo charcoal solution is greater than viscose glue, is introduced into pipeline, avoids entering of viscose glue, can not cause plugging.
The preparation method of described fire-retardant bamboo charcoal solution is: first bamboo charcoal powder is added to alkali, thickener, dispersant, be dispersed in water, after stirring, grind evenly, obtain bamboo charcoal solution; Mix with fire-retardant master granule, after stirring, standing 60 ~ 180min, makes bamboo charcoal reach capacity to the absorption of fire retardant again.
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 liquid, 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 solution, 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.
Fire-retardant bamboo charcoal solution of the present invention, the grain footpath≤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 45 ~ 55 ℃.
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, adopt the acid bath technique of the high salt of low acid simultaneously, avoid viscose glue because of the impure easily problem of fracture of wire.
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 spinning solution surface viscosity from declining, 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 anti-flaming bamboo charcoal viscose fiber is fire-retardant bamboo charcoal viscose filament yarn, 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 anti-flaming bamboo charcoal viscose fiber is fire-retardant bamboo charcoal short rayon 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, anti-flaming bamboo charcoal viscose fiber of the present invention, in fiber, flame retardant agent content 5 ~ 15%, bamboo charcoal content 0.1 ~ 10%, Ji Xian Yang is Zhied Shuo≤28, ammonia absorptivity >=50%, gas permeability >=500mm/s, 4 ~ 5 grades of water-fastness COLOR FASTNESS, are a kind of new products.Flat filament product 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 there is good gas permeability, hygroscopicity, and there is lasting fire resistance, be a kind of Degradable environment protection fiber type, the exploitation that the present invention is functional viscose fiber has increased new varieties, has met the diversified demand in market.
2, the present invention adopts fire-retardant master granule and bamboo charcoal solution mixing system for fire-retardant bamboo charcoal solution, and fire retardant accounts for 20 ~ 50% of agglomerate material.This ratio polypropylene is best to the defencive function of fire retardant as carrier, and fire retardant can be adsorbed better by bamboo charcoal, is difficult for wash-out, and flame retardant effect is lasting.Fully mix with viscose glue, and fire retardant loss is little, cost-saving, is applicable to large-scale production.
In the preparation raw material of the bamboo charcoal solution that 3, anti-flaming bamboo charcoal viscose fiber 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.
4, the preparation raw material of bamboo charcoal solution of the present invention is selected still dispersant polyacrylic acid sodium salt, contributes to bamboo charcoal powder to be uniformly dispersed in water, and free settling not; Meanwhile, slurries, without bubble, do not affect the spinnability of fiber, are the further guarantees of bamboo-carbon fibre spinnability.
5, the grain footpath≤0.8 μ m of the bamboo charcoal of the fire-retardant bamboo charcoal solution 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.
6, production technology of the present invention, fire-retardant bamboo charcoal solution is 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, the flow velocity of fire-retardant bamboo charcoal solution 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.
7, in spinning process of the present invention coagulating bath consist of the high salt of low acid, temperature is controlled at 40 ~ 50 ℃, 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; Adopt the acid bath technique of the high salt of low acid simultaneously, avoid viscose glue because of the impure easily problem of fracture of wire, further guaranteed the spinnability of strand.
8, 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 spinning solution surface viscosity from declining, improve the rheological property of spinning solution, improve the uniformity that bamboo-carbon powder distributes.
9, 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 kind of anti-flaming bamboo charcoal viscose fiber, it is characterized in that: by spinning front injection, fire-retardant bamboo charcoal solution is mixed with viscose glue, through wet spinning, post processing, obtain finished product, by weight, in fiber, flame retardant agent content 15%, bamboo charcoal content 10%, limited oxygen index is 28, ammonia absorptivity >=50%, gas permeability >=500mm/s, 4 grades of water-fastness COLOR FASTNESS.
Embodiment 2
A bamboo charcoal viscose filament yarn, is characterized in that: by spinning front injection, fire-retardant bamboo charcoal solution is mixed with viscose glue, through wet spinning, post processing, obtain finished product, by weight, in fiber, flame retardant agent content 10%, bamboo charcoal content 2%, and limited oxygen index is 30, ammonia absorptivity >=50%, gas permeability >=500mm/s, 5 grades of water-fastness COLOR FASTNESS, dry strong 1.6cN/dtex, dryly stretch 22%, dry variation≤8% of stretching.
Embodiment 3
A bamboo charcoal viscose filament yarn, is characterized in that: by spinning front injection, fire-retardant bamboo charcoal solution is mixed with viscose glue, through wet spinning, post processing, obtain finished product, by weight, in fiber, flame retardant agent content 5%, bamboo charcoal content 0.1%, and limited oxygen index is 35, ammonia absorptivity >=50%, gas permeability >=500mm/s, 5 grades of water-fastness COLOR FASTNESS, dry strong 2.5cN/dtex, dryly stretch 16%, dry variation≤8% of stretching.
Described fire retardant is phosphorus flame retardant.
Embodiment 4
A bamboo charcoal viscose filament yarn, is characterized in that: by spinning front injection, fire-retardant bamboo charcoal solution is mixed with viscose glue, through wet spinning, post processing, obtain finished product, by weight, in fiber, flame retardant agent content 6%, bamboo charcoal content 3%, and limited oxygen index is 32, ammonia absorptivity >=50%, gas permeability >=500mm/s, 5 grades of water-fastness COLOR FASTNESS, dry strong 1.8cN/dtex, dryly stretch 20%, dry variation≤8% of stretching.
Described fire retardant is phosphorus flame retardant.
Embodiment 5
A bamboo charcoal short rayon fiber, is characterized in that: by spinning front injection, fire-retardant bamboo charcoal solution is mixed with viscose glue, through wet spinning, post processing, obtain finished product, by weight, in fiber, flame retardant agent content 12%, bamboo charcoal content 0.9%, limited oxygen index is 29, ammonia absorptivity >=50%, gas permeability >=500mm/s, 4 grades of water-fastness COLOR FASTNESS, dry strong 2.6cN/dtex, dryly stretch 16%, dry strong variation≤18%, fault≤4mg/100g.
Embodiment 6
A bamboo charcoal short rayon fiber, is characterized in that: by spinning front injection, fire-retardant bamboo charcoal solution is mixed with viscose glue, through wet spinning, post processing, obtain finished product, by weight, in fiber, flame retardant agent content 6%, bamboo charcoal content 1%, limited oxygen index is 33, ammonia absorptivity >=50%, gas permeability >=500mm/s, 4 grades of water-fastness COLOR FASTNESS, dry strong 2.2 cN/dtex, dryly stretch 20%, dry strong variation≤18%, fault≤4mg/100g.
Described fire retardant is phosphorus flame retardant.
Embodiment 7
A bamboo charcoal short rayon fiber, is characterized in that: by spinning front injection, fire-retardant bamboo charcoal solution is mixed with viscose glue, through wet spinning, post processing, obtain finished product, by weight, in fiber, flame retardant agent content 12%, bamboo charcoal content 8%, limited oxygen index is 37, ammonia absorptivity >=50%, gas permeability >=500mm/s, 5 grades of water-fastness COLOR FASTNESS, dry strong 3.5cN/dtex, dryly stretch 17%, dry strong variation≤18%, fault≤4mg/100g.
Described fire retardant is phosphorus flame retardant.
Embodiment 8
The preparation method of anti-flaming bamboo charcoal viscose fiber of the present invention, is directly sent to the spinning of spinning board after fire-retardant bamboo charcoal solution is fully mixed by static mixer with viscose glue, and post processing obtains finished product; The flow velocity that described fire-retardant bamboo charcoal solution 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:
By weight, fire retardant accounts for 20% of agglomerate material to described fire-retardant master granule.
Embodiment 10
The embodiment of the present embodiment is substantially the same manner as Example 8, on this basis:
By weight, fire retardant accounts for 50% of agglomerate material to described fire-retardant master granule.
The preparation method of described fire-retardant bamboo charcoal solution: first bamboo charcoal powder is added to alkali, thickener, dispersant, be dispersed in water, after stirring, grind evenly, obtain bamboo charcoal solution; Mix with fire-retardant master granule, after stirring, standing 60min, makes bamboo charcoal reach capacity to the absorption of fire retardant again.
Embodiment 11
The embodiment of the present embodiment is substantially the same manner as Example 8, on this basis:
By weight, fire retardant accounts for 30% of agglomerate material to described fire-retardant master granule.
The preparation method of described fire-retardant bamboo charcoal solution: first bamboo charcoal powder is added to alkali, thickener, dispersant, be dispersed in water, after stirring, grind evenly, obtain bamboo charcoal solution; Mix with fire-retardant master granule, after stirring, standing 180min, makes bamboo charcoal reach capacity to the absorption of fire retardant again.
Described dispersant is still dispersant polyacrylic acid sodium salt, and by weight, addition is 1.2%.
Embodiment 12
The embodiment of the present embodiment is substantially the same manner as Example 8, on this basis:
By weight, fire retardant accounts for 25% of agglomerate material to described fire-retardant master granule.
The preparation method of described fire-retardant bamboo charcoal solution: first bamboo charcoal powder is added to alkali, thickener, dispersant, be dispersed in water, after stirring, grind evenly, obtain bamboo charcoal solution; Mix with fire-retardant master granule, after stirring, standing 70min, makes bamboo charcoal reach capacity to the absorption of fire retardant again.
Described dispersant is still dispersant polyacrylic acid sodium salt, and by weight, addition is 1%.
In described bamboo charcoal solution, be also added with cellulose thickener, by weight, addition is 1%.
Embodiment 13
The embodiment of the present embodiment is substantially the same manner as Example 8, on this basis:
By weight, fire retardant accounts for 45% of agglomerate material to described fire-retardant master granule.
The preparation method of described fire-retardant bamboo charcoal solution: first bamboo charcoal powder is added to alkali, thickener, dispersant, be dispersed in water, after stirring, grind evenly, obtain bamboo charcoal solution; Mix with fire-retardant master granule, after stirring, standing 100min, makes bamboo charcoal reach capacity to the absorption of fire retardant again.
Described fire-retardant master granule adopts polypropylene as base material.
Described dispersant is still dispersant polyacrylic acid sodium salt, and by weight, addition is 2%.
In described bamboo charcoal solution, be also added with cellulose thickener, by weight, addition is 5%.
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:
By weight, fire retardant accounts for 35% of agglomerate material to described fire-retardant master granule.
The preparation method of described fire-retardant bamboo charcoal solution: first bamboo charcoal powder is added to alkali, thickener, dispersant, be dispersed in water, after stirring, grind evenly, obtain bamboo charcoal solution; Mix with fire-retardant master granule, after stirring, standing 120min, makes bamboo charcoal reach capacity to the absorption of fire retardant again.
Described fire-retardant master granule adopts polypropylene as base material.
Described dispersant is still dispersant polyacrylic acid sodium salt, and by weight, addition is 1.5%.
In described bamboo charcoal solution, be also added with cellulose thickener, by weight, addition is 2%.
In described bamboo charcoal slurry, the amount of bamboo charcoal powder is 40%.
Embodiment 15
The embodiment of the present embodiment is substantially the same manner as Example 8, on this basis:
By weight, fire retardant accounts for 30% of agglomerate material to described fire-retardant master granule.
The preparation method of described fire-retardant bamboo charcoal solution: first bamboo charcoal powder is added to alkali, thickener, dispersant, be dispersed in water, after stirring, grind evenly, obtain bamboo charcoal solution; Mix with fire-retardant master granule, after stirring, standing 80min, makes bamboo charcoal reach capacity to the absorption of fire retardant again.
Described dispersant is still dispersant polyacrylic acid sodium salt, and by weight, addition is 1.7%.
In described bamboo charcoal solution, be also added with cellulose thickener, by weight, addition is 3%.
In described bamboo charcoal slurry, the amount of bamboo charcoal powder is 50%.
Embodiment 16
The embodiment of the present embodiment and embodiment 8 is basic identical, on this basis:
Described fire-retardant bamboo charcoal solution, the particle diameter of bamboo charcoal is 0.8 μ m, containing alkali mass fraction, is 5%, viscosity is 35s.
Embodiment 17
The embodiment of the present embodiment and embodiment 9 is basic identical, on this basis:
Described fire-retardant bamboo charcoal solution, the particle diameter of bamboo charcoal is 0.2 μ m, containing alkali mass fraction, is 4%, viscosity is 30s.
The viscosity 30s of described viscose glue, degree of ripeness 7mL, containing the fine content 8% of alkali 4%, first.
Embodiment 18
The embodiment of the present embodiment and embodiment 15 is basic identical, on this basis:
Described fire-retardant bamboo charcoal solution, the particle diameter of bamboo charcoal is 0.3 μ m, containing alkali mass fraction, is 6%, viscosity is 70s.
Viscosity 70 s, the degree of ripeness 12mL of described viscose glue, containing the fine content 10% of alkali 6%, first.
Embodiment 19
The embodiment of the present embodiment and embodiment 15 is basic identical, on this basis:
Described fire-retardant bamboo charcoal solution, the particle diameter of bamboo charcoal is 0.5 μ m, containing alkali mass fraction, is 5.5%, viscosity is 55s.
Viscosity 55 s, the degree of ripeness 8mL of described viscose glue, containing the fine content 9% of alkali 5.5%, first.
Embodiment 20
The embodiment of the present embodiment and embodiment 8 is basic identical, 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 45 ℃.
Embodiment 21
The embodiment of the present embodiment and embodiment 19 is basic identical, on this basis:
The consisting of of coagulating bath in described spinning process: sulfuric acid 120g/L, sodium sulphate 320g/L, zinc sulfate 12g/L, aluminum sulfate 10g/L; The temperature of coagulating bath is 50 ℃.
The spinning mixture temperature of described spinning process is 10 ℃.
Embodiment 22
The embodiment of the present embodiment and embodiment 10 is basic identical, on this basis:
The consisting of of coagulating bath in described spinning process: sulfuric acid 110g/L, sodium sulphate 260g/L, zinc sulfate 13g/L, aluminum sulfate 5g/L; The temperature of coagulating bath is 46 ℃.
The spinning mixture temperature of described spinning process is 15 ℃.
Embodiment 23
The embodiment of the present embodiment and embodiment 15 is basic identical, on this basis:
The consisting of of coagulating bath in described spinning process: sulfuric acid 105g/L, sodium sulphate 300g/L, zinc sulfate 15g/L, aluminum sulfate 6g/L; The temperature of coagulating bath is 55 ℃.
The spinning mixture temperature of described spinning process is 20 ℃.
Embodiment 24
The embodiment of the present embodiment and embodiment 8 is basic identical, on this basis:
Described fire-retardant bamboo charcoal solution viscose is fire-retardant bamboo charcoal viscose filament yarn, and technological process is: stoste preparation-spinning-washing-drying-one-tenth cylinder-finished product.
Embodiment 25
The embodiment of the present embodiment and embodiment 8 is basic identical, on this basis:
Described anti-flaming bamboo charcoal viscose fiber is fire-retardant bamboo charcoal viscose filament yarn, 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 8%; 80 ℃ of bake out temperatures.
Embodiment 26
The embodiment of the present embodiment and embodiment 9 is basic identical, on this basis:
Described anti-flaming bamboo charcoal viscose fiber is fire-retardant bamboo charcoal viscose filament yarn, 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 6%; 70 ℃ of bake out temperatures.
Embodiment 27
The embodiment of the present embodiment and embodiment 24 is basic identical, on this basis:
Described anti-flaming bamboo charcoal viscose fiber is fire-retardant bamboo charcoal viscose filament yarn, 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-5%, nervous drawing-off 7%; 100 ℃ of bake out temperatures.
Embodiment 28
The embodiment of the present embodiment and embodiment 8 is basic identical, on this basis:
Described anti-flaming bamboo charcoal viscose fiber is fire-retardant bamboo charcoal short rayon fiber, and technological process is: stoste preparation-spinning-plasticizing drawing-off-cut-out-washing-drying-finished product.
Embodiment 29
The embodiment of the present embodiment and embodiment 8 is basic identical, on this basis:
Described anti-flaming bamboo charcoal viscose fiber is fire-retardant bamboo charcoal short rayon 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 150%; 120 ℃ of bake out temperatures.
Embodiment 30
The embodiment of the present embodiment and embodiment 15 is basic identical, on this basis:
Described anti-flaming bamboo charcoal viscose fiber is fire-retardant bamboo charcoal short rayon 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 and embodiment 24 is basic identical, on this basis:
Described anti-flaming bamboo charcoal viscose fiber is fire-retardant bamboo charcoal short rayon 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 48m/min, total draft 160%; 140 ℃ of bake out temperatures.
Claims (17)
1. an anti-flaming bamboo charcoal viscose fiber, it is characterized in that: by spinning front injection, fire-retardant bamboo charcoal solution is mixed with viscose glue, through wet spinning, post processing, obtain finished product, by weight, in fiber, flame retardant agent content 5 ~ 15%, bamboo charcoal content 0.1 ~ 10%, Ji Xian Yang is Zhied Shuo≤28, ammonia absorptivity >=50%, gas permeability >=500mm/s, 4 ~ 5 grades of water-fastness COLOR FASTNESS.
2. a kind of anti-flaming bamboo charcoal viscose fiber according to claim 1, is characterized in that: described anti-flaming bamboo charcoal viscose fiber is fire-retardant bamboo charcoal viscose filament yarn, and dry strong 1.6 ~ 2.5cN/dtex dryly stretches 16 ~ 22%, dry variation≤8% of stretching.
3. a kind of anti-flaming bamboo charcoal viscose fiber according to claim 1, is characterized in that: described anti-flaming bamboo charcoal viscose fiber is fire-retardant bamboo charcoal short rayon fiber, and dry strong 2.2 ~ 3.5cN/dtex dryly stretches 16 ~ 20%, dry strong variation≤18%, fault≤4mg/100g.
4. a kind of anti-flaming bamboo charcoal viscose fiber according to claim 1, is characterized in that: described fire retardant is phosphorus flame retardant.
5. the preparation method of a kind of anti-flaming bamboo charcoal viscose fiber according to claim 1, is characterized in that: after fire-retardant bamboo charcoal solution is fully mixed by static mixer with viscose glue, be directly sent to the spinning of spinning board, post processing obtains finished product; The flow velocity that described fire-retardant bamboo charcoal solution enters static mixer is greater than the flow velocity that viscose glue enters static mixer.
6. the preparation method of a kind of anti-flaming bamboo charcoal viscose fiber according to claim 5, is characterized in that: by weight, fire retardant accounts for 20 ~ 50% of agglomerate material to described fire-retardant master granule.
7. the preparation method of a kind of anti-flaming bamboo charcoal viscose fiber according to claim 5, it is characterized in that: the preparation method of described fire-retardant bamboo charcoal solution: first bamboo charcoal powder is added to alkali, thickener, dispersant, be dispersed in water, after stirring, grind evenly, obtain bamboo charcoal solution; Mix with fire-retardant master granule, after stirring, standing 60 ~ 180min, makes bamboo charcoal reach capacity to the absorption of fire retardant again.
8. the preparation method of a kind of anti-flaming bamboo charcoal viscose fiber according to claim 7, is characterized in that: described dispersant is still dispersant polyacrylic acid sodium salt, and by weight, addition is 1 ~ 2%.
9. the preparation method of a kind of anti-flaming bamboo charcoal viscose fiber according to claim 7, is characterized in that: in described bamboo charcoal solution, be also added with cellulose thickener, by weight, addition is 1 ~ 5%.
10. the preparation method of a kind of anti-flaming bamboo charcoal viscose fiber according to claim 5, is characterized in that: described fire-retardant bamboo charcoal solution, and the grain footpath≤0.8 μ m of bamboo charcoal, is 4 ~ 6% containing alkali mass fraction, viscosity is 30 ~ 70s.
The preparation method of 11. a kind of anti-flaming bamboo charcoal viscose fibers according to claim 5, is characterized in that: viscosity 30 ~ 70 s, the degree of ripeness 7 ~ 12mL of described viscose glue, containing the fine content 8 ~ 10% of alkali 4 ~ 6%, first.
The preparation method of 12. a kind of anti-flaming bamboo charcoal viscose fibers according to claim 5, 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 45 ~ 55 ℃.
The preparation method of 13. a kind of anti-flaming bamboo charcoal viscose fibers according to claim 5, is characterized in that: the spinning mixture temperature of described spinning process is 10 ~ 20 ℃.
The preparation method of 14. a kind of anti-flaming bamboo charcoal viscose fibers according to claim 5, is characterized in that: described anti-flaming bamboo charcoal viscose fiber is fire-retardant bamboo charcoal viscose filament yarn, and technological process is: stoste preparation-spinning-washing-drying-one-tenth cylinder-finished product.
The preparation method of 15. a kind of anti-flaming bamboo charcoal viscose fibers according to claim 14, 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 16. a kind of anti-flaming bamboo charcoal viscose fibers according to claim 5, it is characterized in that: described anti-flaming bamboo charcoal viscose fiber is fire-retardant bamboo charcoal short rayon fiber, and technological process is: stoste preparation-spinning-plasticizing drawing-off-cut-out-washing-drying-finished product.
The preparation method of 17. a kind of anti-flaming bamboo charcoal viscose fibers according to claim 16, 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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| CN110359168A (en) * | 2019-08-14 | 2019-10-22 | 苏州百进纺织有限公司 | A kind of scribbled and fabric of flame-retardant viscose fiber and acrylic fibers fire resistance fibre |
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| CN101104960A (en) * | 2007-06-14 | 2008-01-16 | 山东海龙股份有限公司 | Bamboo charcoal cellulose fiber and manufacturing method thereof |
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| CN101029420A (en) * | 2007-03-24 | 2007-09-05 | 山东海龙股份有限公司 | Bamboo charcoal viscose fiber and its manufacturing method |
| CN101104960A (en) * | 2007-06-14 | 2008-01-16 | 山东海龙股份有限公司 | Bamboo charcoal cellulose fiber and manufacturing method thereof |
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