CN103556260B - A kind of bamboo-carbon viscose fibre and preparation method thereof - Google Patents

A kind of bamboo-carbon viscose fibre and preparation method thereof Download PDF

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CN103556260B
CN103556260B CN201310527747.8A CN201310527747A CN103556260B CN 103556260 B CN103556260 B CN 103556260B CN 201310527747 A CN201310527747 A CN 201310527747A CN 103556260 B CN103556260 B CN 103556260B
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bamboo charcoal
bamboo
described
step
dry
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CN201310527747.8A
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CN103556260A (en
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孙毅
贺敏
李蓉玲
陈明付
毛远航
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宜宾海丝特纤维有限责任公司
宜宾丝丽雅股份有限公司
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    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01FCHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F2/00Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
    • D01F2/06Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from viscose
    • D01F2/08Composition of the spinning solution or the bath
    • D01F2/12Addition of delustering agents to the spinning solution
    • D01F2/14Addition of pigments
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01FCHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F1/00General methods for the manufacture of artificial filaments or the like
    • D01F1/02Addition of substances to the spinning solution or to the melt
    • D01F1/10Other agents for modifying properties
    • D01F1/103Agents inhibiting growth of microorganisms
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00Formation of filaments, threads, or the like
    • D01D5/06Wet spinning methods

Abstract

The invention provides a kind of bamboo-carbon viscose fibre and preparation method thereof, this fiber obtains through spinning by after bamboo charcoal slurry and viscose glue mixture, the content of its bamboo charcoal nano is 0.1% ~ 10% of finished fiber weight, the specific targets of described bamboo-carbon viscose fibre finished product comprise: dry fracture strength is 1.6 ~ 3.5cN/dtex, dry elongation at break is 16 ~ 20%, dry strength coefficient of variation CV≤18%, dry extension at break coefficient of variation CV≤8%, fault≤4mg/100, bamboo charcoal content 0.1 ~ 10%, antibiotic rate > 99.9%, ammonia absorption > 50%, water-fastness COLOR FASTNESS 4-5 level.The fibrous finished product that the present invention obtains has the speciality that intensity is high, absorption property good, antibacterial effect is excellent, uniform color is consistent, fixation is strong, provides colory bamboo-carbon viscose fibre raw material for making textiles.

Description

A kind of bamboo-carbon viscose fibre and preparation method thereof

Technical field

The present invention relates to technical field of viscose production, specifically, the present invention relates to a kind of viscose containing bamboo charcoal and preparation method thereof.

Background technology

The macromolecular polysaccharide that cellulose (cellulose) is made up of glucose, water insoluble and common organic solvents is the main component of plant cell wall.Cellulose is a kind of polysaccharide that occurring in nature distribution is the widest, content is maximum, accounts for more than 50% of plant kingdom's carbon content.Cellulose is also natural polymer ancient, the abundantest on the earth, is inexhaustible, the natural reproducible resource that the mankind are the most valuable.Fiber crops, straw, straw, bagasse etc. are all cellulosic abundant sources.

Bamboo charcoal is with 3 years above high mountain mao bamboons of life for raw material, through a kind of charcoal of nearly thousand degree of high-temperature firings.Bamboo charcoal has loose structure, and the fine and closely woven porous of its molecule, quality is hard.There is very strong adsorption capacity, can purify air, eliminate peculiar smell, moisture absorption mildew-resistant, antibacterial expelling parasite.To dry absorbing sweat with human contact, promote blood circulation of human body and metabolism, fatigue-relieving.Refine after processing through science, be widely used in daily life.Textile fiber as being added with active carbon is more and more subject to the favor of people.

Patent application at present with regard to the bamboo-carbon viscose fibre of field of textiles has:

The patent of invention of application number 200310110113.9, disclose a kind of bamboo-carbon viscose fibre and manufacture method thereof, the content of bamboo charcoal is in fiber weight percentage, its ratio is X, 3% ﹤ X≤20%, include glue operation and spinning process, it is characterized in that: carry out selected to bamboo charcoal, coarse crushing, dedusting, after removal of impurities, be crushed to the bamboo charcoal micropowder preparation section of fineness≤0.5 micron, bamboo charcoal micropowder and dispersant S are put into water and make bamboo charcoal water and milk slurry operation, in glue operation, in alkali cellulose yellow course of dissolution at the end, above-mentioned bamboo charcoal micropowder water and milk slurry is added in viscose glue, through 2-4 hour be fully uniformly mixed grinding after, making viscosity is 25-35 second, the percentage by weight of first fibre is 7.5-9.5%, ripe degree is the bamboo charcoal long fiber viscose glue of 9.2 ± 2ml, in alkali cellulose yellow course of dissolution at the end, above-mentioned bamboo charcoal micropowder water and milk slurry is added in viscose glue, through 2-4 hour be fully uniformly mixed grinding after, make the bamboo charcoal staple fibre viscose glue that viscosity is 35 ± 3 seconds, the percentage by weight of first fibre is 8.8 ± 0.2%, ripe degree is 10 ± 0.5ml, the viscose filament yarn containing bamboo charcoal and short silk can be obtained after above-mentioned two kinds of bamboo charcoals are carried out spinning respectively.

The patent of invention of application number 200510102775.0, discloses a kind of bamboo-carbon viscose fibre, yarn and production method thereof, and containing the bamboo charcoal particle that granularity is less than 0.5 micron in viscose, described bamboo charcoal particle accounts for the 0.1-10% of viscose weight.

The patent of invention of application number 200610037895.1, the manufacture method disclosing bamboo-carbon viscose fibre and the bamboo-carbon viscose fibre using the method to manufacture, 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 charcoal micro mist emulsion.In spinning process, viscose solution is mixed with described bamboo charcoal micropowder emulsion, then deliver to spinning machine and make fiber.

The patent of invention of application number 201210499127.3, 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, and in solidification liquid, solidification obtains bamboo-carbon viscose fibre.

Above-mentioned patent information display, owing to being added with bamboo charcoal micropowder in spinning solution, and the particle diameter of micro mist is at 0.5 microns, in addition the dispersion stabilization of bamboo charcoal is poor, and the aggegation of dispersed particle easily occurs when bamboo charcoal micropowder contacts with viscose glue, causes viscose glue in production process not easily to filter, spinnability reduces, spinning is easily breaked end, and the mechanical and physical performance of fiber is poor, and then has an impact to performances such as antibacterial, the moisture absorptions of the quality of fiber and bamboo charcoal.

Summary of the invention

The object of the present invention is to provide a kind of bamboo-carbon viscose fibre and preparation method thereof, this fiber well remains the intrinsic antibacterial and bacteriostasis of bamboo charcoal, and physical and mechanical properties is good, and intensity is high, for follow-up dyeing provides guarantee.Meanwhile, the mixture of bamboo charcoal of the present invention and viscose glue is good, and the adsorptivity of bamboo charcoal is strong, and the spinnability of rayon spinning stoste is good.

For achieving the above object, the technical solution used in the present invention is as follows:

A kind of bamboo-carbon viscose fibre, it is characterized in that: this viscose obtains through spinning by after bamboo charcoal slurry and viscose glue mixture, the content of its bamboo charcoal nano is 0.1% ~ 10% of finished fiber weight, the specific targets of described bamboo-carbon viscose fibre finished product comprise: dry fracture strength is 1.6 ~ 3.5cN/dtex, dry elongation at break is 16 ~ 20%, dry strength coefficient of variation CV≤18%, dry extension at break coefficient of variation CV≤8%, fault≤4mg/100, bamboo charcoal content 0.1 ~ 10%, antibiotic rate > 99.9%, ammonia absorption > 50%, water-fastness COLOR FASTNESS 4-5 level, wherein:

The specific targets of bamboo charcoal long filament are: dry fracture strength 1.6 ~ 2.2cN/dtex, dry elongation at break 16 ~ 20%, dry extension at break coefficient of variation CV≤8%, the absorption of bamboo charcoal content 0.1 ~ 10%, antibiotic rate > 99.9%, ammonia > 50%, water-fastness COLOR FASTNESS 4-5 level;

The specific targets of bamboo charcoal short fiber are: dry fracture strength 2.2 ~ 3.5cN/dtex, dry elongation at break 16 ~ 20%, dry strength coefficient of variation CV≤18%, the absorption of fault≤4mg/100, bamboo charcoal content 0.1 ~ 10%, antibiotic rate > 99.9%, ammonia > 50%, water-fastness COLOR FASTNESS 4-5 level.

The preparation method of described bamboo charcoal long filament comprises following processing step:

The preparation of A bamboo charcoal slurry: after adding still dispersant, bamboo charcoal powder, thickener, alkali in deionized water, through stirring, grinding is even and get final product;

The preparation of B viscose glue: with the one in bamboo, cotton, fiber crops, grass, wood pulps or any combination for raw material, through dipping, squeezing, pulverize, aging, yellow, dissolving, the operation such as maturation obtain viscose glue, and in dissolution process, add denaturant;

The preparation of C rayon spinning stoste: ratio bamboo charcoal slurry being accounted for finished fiber weight 0.1 ~ 15% in bamboo charcoal wherein, is mixed in the viscose glue in maturation and stirs, and then through continuous defoaming, filtration, obtains rayon spinning stoste;

D spinning: the spinning solution of step C is extruded by spinnerets and enters spinning moulding in coagulating bath;

E post processing: shaping strand is through washing, oven dry, one-tenth cylinder and get final product.

Viscose glue described in step B, its viscosity 30 ~ 50 seconds, degree of ripeness 10 ~ 12ml, containing alkali 4 ~ 6%, the fine content 8 ~ 9% of first.

In the spinning technique described in step D, spin speed 70 ~ 90m/min, jet stretch 0 ~-8%, nervous drawing-off 0 ~ 8%; Coagulation bath composition is: sulfuric acid 120 ~ 140g/L, sodium sulphate 220 ~ 260g/L, zinc sulfate 8 ~ 12g/L, and the temperature of coagulating bath is 50 ~ 60 DEG C.

In the aftertreatment technology described in step e, bake out temperature controls at 70 ~ 100 DEG C.

The preparation method of described bamboo charcoal short fiber comprises following processing step:

1) preparation of bamboo charcoal slurry: after adding still dispersant, bamboo charcoal powder, thickener, alkali in deionized water, through stirring, grinding is even and get final product;

2) preparation of viscose glue: with the one in bamboo, cotton, fiber crops, grass, wood pulps or any combination for raw material, through dipping, squeezing, pulverize, aging, yellow, dissolving, the operation such as maturation obtain viscose glue, and in dissolution process, add denaturant;

3) preparation of rayon spinning stoste: ratio bamboo charcoal slurry being accounted for finished fiber weight 0.1 ~ 10% in bamboo charcoal wherein, is mixed in the viscose glue in maturation and stirs, and then through continuous defoaming, filtration, obtains rayon spinning stoste;

4) spinning: the spinning solution of step C is extruded by spinnerets and enters spinning moulding in coagulating bath, and shaping strand is carried out plasticizing drawing-off process;

5) post processing: the strand after drawing-off is through cutting off, washing, dry and get final product.

Step 2) described in viscose glue, its viscosity 40 ~ 60 seconds, degree of ripeness 7 ~ 10ml, containing alkali 4 ~ 6%, the fine content 8.5 ~ 9.5% of first.

In the spinning technique described in step 4), spin speed 40 ~ 55m/min, total draft 120 ~ 160%; Coagulation bath composition is: sulfuric acid 110 ~ 130g/L, sodium sulphate 280 ~ 320g/L, zinc sulfate 8 ~ 12g/L, and the temperature of coagulating bath is 50 ~ 60 DEG C.

In the aftertreatment technology described in step 5), bake out temperature controls at 100 ~ 140 DEG C.

In the preparation steps of bamboo charcoal slurry described in steps A or step 1), described bamboo charcoal pulp is made up of the raw material of following weight percentage:

Bamboo charcoal powder 5 ~ 25%

Still dispersant 1 ~ 2%

Thickener 1 ~ 5%

Alkali 4 ~ 6%

Surplus is deionized water.

The viscosity of described bamboo charcoal pulp is 30 ~ 70s, and alkalinity is 4 ~ 6%, particle diameter≤0.8 μm of bamboo carbon powder particle.

Described still dispersant is polyacrylic acid sodium salt; Described thickener is cellulose thickener; Described alkali is NaOH.

Described cellulose thickener is selected from hydroxyethylcellulose, hydroxypropyl methylcellulose, carboxymethyl cellulose or ethylhydroxyethylcellulose.

In step B or step 2) in the preparation process of described viscose glue, the denaturant added is alkyl polyamine, and its addition is 0.5 ~ 1.5% of chemical cellulose weight in viscose glue.

In the coagulating bath described in step D or step 4), be also added with denaturant and dispersant, described denaturant is polyoxy enediol, accounts for 0.55 ~ 0.65% of coagulating bath gross weight; Described dispersant is Dialkyl dimethyl ammonium chloride, many alkyl trimethyl ammonium chlorides or many alkyl dimethyl ammonium chloride, accounts for 0.5 ~ 0.7% of coagulating bath total amount.

The invention has the advantages that:

1, adopt viscosity to be 30 ~ 70s, alkalinity is 4 ~ 6%, and the bamboo charcoal pulp of particle diameter≤0.8 of bamboo carbon powder particle μm, bamboo charcoal can be made to be scattered in uniformly in viscose glue, and spinnability is high, fully ensure that quality and the performance requirement of bamboo-carbon fibre.

2, in spinning moulding process, coagulation bath temperature is controlled at 50 ~ 60 DEG C, long filament spins speed control built in 70 ~ 90m/mim, short fiber spins speed control built in 40 ~ 55m/mim, effectively can prevent the decline of bath surface viscosity, improve the rheological property of melt, thus substantially increase the uniformity of bamboo-carbon powder distribution.

3, the dry fracture strength of bamboo-carbon fibre finished product of the present invention is 1.6 ~ 3.5cN/dtex, dry elongation at break is 16 ~ 20%, dry strength coefficient of variation CV≤18%, dry extension at break coefficient of variation CV≤8%, the absorption of fault≤4mg/100, bamboo charcoal content 0.1 ~ 10%, antibiotic rate > 99.9%, ammonia > 50%, water-fastness COLOR FASTNESS 4-5 level, there is the speciality that intensity is high, absorption property good, antibacterial effect is excellent, uniform color is consistent, fixation is strong, thus the dyeing in later stage and textile process performance good.

4, in aftertreatment technology step, decrease the bleaching process in traditional production process of viscose fiber, avoid the destruction of antibacterial substance in bamboo charcoal, ensure that bamboo-carbon fibre finished product desired function, namely there is natural antibacterial bacteriostatic, the absorbing sweat that dries, the function that eliminates the unusual smell, provide colory bamboo-carbon viscose fibre raw material for making textiles.

Detailed description of the invention

embodiment 1

A kind of bamboo charcoal long filament, this viscose filament yarn obtains through spinning by after bamboo charcoal slurry and viscose glue mixture, the content of its bamboo charcoal nano is 6% of finished fiber weight, the specific targets of described bamboo charcoal long filament are: dry fracture strength 1.8cN/dtex, dry elongation at break 17%, dry extension at break coefficient of variation CV 7.5%, the absorption of bamboo charcoal content 6%, antibiotic rate > 99.9%, ammonia > 50%, water-fastness COLOR FASTNESS 4-5 level;

The preparation method of described bamboo charcoal long filament comprises following processing step:

The preparation of A bamboo charcoal slurry: after adding still dispersant, bamboo charcoal powder, thickener, alkali in deionized water, through stirring, grinding is even and get final product;

The preparation of B viscose glue: with bamboo, cotton, fiber crops for raw material, through dipping, squeezing, pulverize, aging, yellow, dissolving, the operation such as maturation obtain viscose glue, and in dissolution process, add denaturant;

The preparation of C rayon spinning stoste: ratio bamboo charcoal slurry being accounted for finished fiber weight 6% in bamboo charcoal wherein, is mixed in the viscose glue in maturation and stirs, and then through continuous defoaming, filtration, obtains rayon spinning stoste;

D spinning: the spinning solution of step C is extruded by spinnerets and enters spinning moulding in coagulating bath;

E post processing: shaping strand is through washing, oven dry, one-tenth cylinder and get final product.

Viscose glue described in step B, its viscosity 30 seconds, degree of ripeness 11ml, containing alkali 4%, the fine content 8.5% of first.

In the spinning technique described in step D, spin fast 80m/min, jet stretch-2%, nervous drawing-off 5%; Coagulation bath composition is: sulfuric acid 120g/L, sodium sulphate 230g/L, zinc sulfate 10g/L, and the temperature of coagulating bath is 50 DEG C.

In the aftertreatment technology described in step e, bake out temperature controls at 80 DEG C.

In the preparation steps of bamboo charcoal slurry described in steps A, described bamboo charcoal pulp is made up of the raw material of following weight percentage:

Bamboo charcoal powder 20%

Still dispersant 1%

Thickener 2%

Alkali 4%

Surplus is deionized water.

The viscosity of described bamboo charcoal pulp is 30s, and alkalinity is 4%, particle diameter≤0.8 μm of bamboo carbon powder particle.

Described still dispersant is polyacrylic acid sodium salt; Described thickener is hydroxyethylcellulose; Described alkali is NaOH.

In the preparation process of viscose glue described in step B, the denaturant added is alkyl polyamine, and its addition is 1% of chemical cellulose weight in viscose glue.

In the coagulating bath described in step D, be also added with denaturant and dispersant, described denaturant is polyoxy enediol, accounts for 0.55% of coagulating bath gross weight; Described dispersant is Dialkyl dimethyl ammonium chloride, accounts for 0.5% of coagulating bath total amount.

embodiment 2

A kind of bamboo charcoal long filament, this viscose filament yarn obtains through spinning by after bamboo charcoal slurry and viscose glue mixture, the content of its bamboo charcoal nano is 0.1% of finished fiber weight, the specific targets of described bamboo charcoal long filament are: dry fracture strength 1.9cN/dtex, dry elongation at break 18%, dry extension at break coefficient of variation CV 7.2%, the absorption of bamboo charcoal content 0.1%, antibiotic rate > 99.9%, ammonia > 50%, water-fastness COLOR FASTNESS 4-5 level;

The preparation method of described bamboo charcoal long filament comprises following processing step:

The preparation of A bamboo charcoal slurry: after adding still dispersant, bamboo charcoal powder, thickener, alkali in deionized water, through stirring, grinding is even and get final product;

The preparation of B viscose glue: with cotton, wood pulps for raw material, through dipping, squeezing, pulverize, aging, yellow, dissolving, the operation such as maturation obtain viscose glue, and in dissolution process, add denaturant;

The preparation of C rayon spinning stoste: ratio bamboo charcoal slurry being accounted for finished fiber weight 0.1% in bamboo charcoal wherein, is mixed in the viscose glue in maturation and stirs, and then through continuous defoaming, filtration, obtains rayon spinning stoste;

D spinning: the spinning solution of step C is extruded by spinnerets and enters spinning moulding in coagulating bath;

E post processing: shaping strand is through washing, oven dry, one-tenth cylinder and get final product.

Viscose glue described in step B, its viscosity 50 seconds, degree of ripeness 12ml, containing alkali 6%, the fine content 8% of first.

In the spinning technique described in step D, spin fast 70m/min, jet stretch-1%, nervous drawing-off 8%; Coagulation bath composition is: sulfuric acid 130g/L, sodium sulphate 250g/L, zinc sulfate 12g/L, and the temperature of coagulating bath is 60 DEG C.

In the aftertreatment technology described in step e, bake out temperature controls at 100 DEG C.

In the preparation steps of bamboo charcoal slurry described in steps A, described bamboo charcoal pulp is made up of the raw material of following weight percentage:

Bamboo charcoal powder 5%

Still dispersant 1.5%

Thickener 1%

Alkali 5%

Surplus is deionized water.

The viscosity of described bamboo charcoal pulp is 50s, and alkalinity is 5%, particle diameter≤0.8 μm of bamboo carbon powder particle.

Described still dispersant is polyacrylic acid sodium salt; Described thickener is carboxymethyl cellulose; Described alkali is NaOH.

In the preparation process of viscose glue described in step B, the denaturant added is alkyl polyamine, and its addition is 0.5% of chemical cellulose weight in viscose glue.

In the coagulating bath described in step D, be also added with denaturant and dispersant, described denaturant is polyoxy enediol, accounts for 0.6% of coagulating bath gross weight; Described dispersant is many alkyl trimethyl ammonium chlorides, accounts for 0.6% of coagulating bath total amount.

embodiment 3

A kind of bamboo charcoal long filament, this viscose filament yarn obtains through spinning by after bamboo charcoal slurry and viscose glue mixture, the content of its bamboo charcoal nano is 10% of finished fiber weight, the specific targets of described bamboo charcoal long filament are: dry fracture strength 1.6cN/dtex, dry elongation at break 16%, dry extension at break coefficient of variation CV 8%, the absorption of bamboo charcoal content 10%, antibiotic rate > 99.9%, ammonia > 50%, water-fastness COLOR FASTNESS 4-5 level;

The preparation method of described bamboo charcoal long filament comprises following processing step:

The preparation of A bamboo charcoal slurry: after adding still dispersant, bamboo charcoal powder, thickener, alkali in deionized water, through stirring, grinding is even and get final product;

The preparation of B viscose glue: with bamboo, fiber crops, wood pulps for raw material, through dipping, squeezing, pulverize, aging, yellow, dissolving, the operation such as maturation obtain viscose glue, and in dissolution process, add denaturant;

The preparation of C rayon spinning stoste: ratio bamboo charcoal slurry being accounted for finished fiber weight 10% in bamboo charcoal wherein, is mixed in the viscose glue in maturation and stirs, and then through continuous defoaming, filtration, obtains rayon spinning stoste;

D spinning: the spinning solution of step C is extruded by spinnerets and enters spinning moulding in coagulating bath;

E post processing: shaping strand is through washing, oven dry, one-tenth cylinder and get final product.

Viscose glue described in step B, its viscosity 40 seconds, degree of ripeness 10ml, containing alkali 5%, the fine content 9% of first.

In the spinning technique described in step D, spin fast 90m/min, jet stretch-5%, nervous drawing-off 7%; Coagulation bath composition is: sulfuric acid 140g/L, sodium sulphate 220g/L, zinc sulfate 8g/L, and the temperature of coagulating bath is 55 DEG C.

In the aftertreatment technology described in step e, bake out temperature controls at 70 DEG C.

In the preparation steps of bamboo charcoal slurry described in steps A, described bamboo charcoal pulp is made up of the raw material of following weight percentage:

Bamboo charcoal powder 25%

Still dispersant 2%

Thickener 5%

Alkali 6%

Surplus is deionized water.

The viscosity of described bamboo charcoal pulp is 50s, and alkalinity is 6%, particle diameter≤0.8 μm of bamboo carbon powder particle.

Described still dispersant is polyacrylic acid sodium salt; Described thickener is carboxymethyl cellulose; Described alkali is NaOH.

In the preparation process of viscose glue described in step B, the denaturant added is alkyl polyamine, and its addition is 1.5% of chemical cellulose weight in viscose glue.

In the coagulating bath described in step D, be also added with denaturant and dispersant, described denaturant is polyoxy enediol, accounts for 0.65% of coagulating bath gross weight; Described dispersant is many alkyl dimethyl ammonium chloride, accounts for 0.7% of coagulating bath total amount.

embodiment 4

A kind of bamboo charcoal long filament, this viscose filament yarn obtains through spinning by after bamboo charcoal slurry and viscose glue mixture, the content of its bamboo charcoal nano is 2.5% of finished fiber weight, the specific targets of described bamboo charcoal long filament are: dry fracture strength 2.2cN/dtex, dry elongation at break 20%, dry extension at break coefficient of variation CV 7.1%, the absorption of bamboo charcoal content 2.5%, antibiotic rate > 99.9%, ammonia > 50%, water-fastness COLOR FASTNESS 4-5 level;

The preparation method of described bamboo charcoal long filament comprises following processing step:

The preparation of A bamboo charcoal slurry: after adding still dispersant, bamboo charcoal powder, thickener, alkali in deionized water, through stirring, grinding is even and get final product;

The preparation of B viscose glue: with bamboo, straw pulp for raw material, through dipping, squeezing, pulverize, aging, yellow, dissolving, the operation such as maturation obtain viscose glue, and in dissolution process, add denaturant;

The preparation of C rayon spinning stoste: ratio bamboo charcoal slurry being accounted for finished fiber weight 2.5% in bamboo charcoal wherein, is mixed in the viscose glue in maturation and stirs, and then through continuous defoaming, filtration, obtains rayon spinning stoste;

D spinning: the spinning solution of step C is extruded by spinnerets and enters spinning moulding in coagulating bath;

E post processing: shaping strand is through washing, oven dry, one-tenth cylinder and get final product.

Viscose glue described in step B, its viscosity 45 seconds, degree of ripeness 11.5ml, containing alkali 5.5%, the fine content 8.7% of first.

In the spinning technique described in step D, spin fast 85m/min, jet stretch-3%, nervous drawing-off 6%; Coagulation bath composition is: sulfuric acid 125g/L, sodium sulphate 260g/L, zinc sulfate 11g/L, and the temperature of coagulating bath is 57 DEG C.

In the aftertreatment technology described in step e, bake out temperature controls at 90 DEG C.

In the preparation steps of bamboo charcoal slurry described in steps A, described bamboo charcoal pulp is made up of the raw material of following weight percentage:

Bamboo charcoal powder 12%

Still dispersant 1.2%

Thickener 3.5%

Alkali 4.8%

Surplus is deionized water.

The viscosity of described bamboo charcoal pulp is 40s, and alkalinity is 4.8%, particle diameter≤0.8 μm of bamboo carbon powder particle.

Described still dispersant is polyacrylic acid sodium salt; Described thickener is carboxymethyl cellulose; Described alkali is NaOH.

In the preparation process of viscose glue described in step B, the denaturant added is alkyl polyamine, and its addition is 1.3% of chemical cellulose weight in viscose glue.

In the coagulating bath described in step D, be also added with denaturant and dispersant, described denaturant is polyoxy enediol, accounts for 0.58% of coagulating bath gross weight; Described dispersant is many alkyl dimethyl ammonium chloride, accounts for 0.65% of coagulating bath total amount.

embodiment 5

A kind of bamboo charcoal short fiber, this short rayon fiber obtains through spinning by after bamboo charcoal slurry and viscose glue mixture, the content of its bamboo charcoal nano is 0.5% of finished fiber weight, the specific targets of described bamboo charcoal short fiber are: dry fracture strength 2.5cN/dtex, dry elongation at break 18%, dry strength coefficient of variation CV 16%, fault≤4mg/100, bamboo charcoal content 0.5%, antibiotic rate > 99.9%, ammonia absorption > 50%, water-fastness COLOR FASTNESS 4-5 level.

The preparation method of described bamboo charcoal short fiber comprises following processing step:

1) preparation of bamboo charcoal slurry: after adding still dispersant, bamboo charcoal powder, thickener, alkali in deionized water, through stirring, grinding is even and get final product;

2) preparation of viscose glue: with bamboo, cotton, hemp dissolving pulp for raw material, through dipping, squeezing, pulverize, aging, yellow, dissolving, the operation such as maturation obtain viscose glue, and in dissolution process, add denaturant;

3) preparation of rayon spinning stoste: ratio bamboo charcoal slurry being accounted for finished fiber weight 0.5% in bamboo charcoal wherein, is mixed in the viscose glue in maturation and stirs, and then through continuous defoaming, filtration, obtains rayon spinning stoste;

4) spinning: the spinning solution of step C is extruded by spinnerets and enters spinning moulding in coagulating bath, and shaping strand is carried out plasticizing drawing-off process;

5) post processing: the strand after drawing-off is through cutting off, washing, dry and get final product.

Step 2) described in viscose glue, its viscosity 40 seconds, degree of ripeness 8ml, containing alkali 4%, the fine content 8.5% of first.

In the spinning technique described in step 4), spin fast 45m/min, total draft 140%; Coagulation bath composition is: sulfuric acid 110g/L, sodium sulphate 300g/L, zinc sulfate 10g/L, and the temperature of coagulating bath is 50 DEG C.

In the aftertreatment technology described in step 5), bake out temperature controls at 110 DEG C.

In the preparation steps of bamboo charcoal slurry described in steps A or step 1), described bamboo charcoal pulp is made up of the raw material of following weight percentage:

Bamboo charcoal powder 8%

Still dispersant 1%

Thickener 3%

Alkali 4%

Surplus is deionized water.

The viscosity of described bamboo charcoal pulp is 45s, and alkalinity is 4%, particle diameter≤0.8 μm of bamboo carbon powder particle.

Described still dispersant is polyacrylic acid sodium salt; Described thickener is hydroxyethylcellulose; Described alkali is NaOH.

In step 2) in the preparation process of described viscose glue, the denaturant added is alkyl polyamine, and its addition is 0.8% of chemical cellulose weight in viscose glue.

In the coagulating bath described in step 4), be also added with denaturant and dispersant, described denaturant is polyoxy enediol, accounts for 0.55% of coagulating bath gross weight; Described dispersant is many alkyl trimethyl ammonium chlorides, accounts for 0.5% of coagulating bath total amount.

embodiment 6

A kind of bamboo charcoal short fiber, this short rayon fiber obtains through spinning by after bamboo charcoal slurry and viscose glue mixture, the content of its bamboo charcoal nano is 0.1% of finished fiber weight, the specific targets of described bamboo charcoal short fiber are: dry fracture strength 3.5cN/dtex, dry elongation at break 20%, dry strength coefficient of variation CV 17%, fault≤4mg/100, bamboo charcoal content 0.1%, antibiotic rate > 99.9%, ammonia absorption > 50%, water-fastness COLOR FASTNESS 4-5 level.

The preparation method of described bamboo charcoal short fiber comprises following processing step:

1) preparation of bamboo charcoal slurry: after adding still dispersant, bamboo charcoal powder, thickener, alkali in deionized water, through stirring, grinding is even and get final product;

2) preparation of viscose glue: with cotton, fiber crops, wood pulps for raw material, through dipping, squeezing, pulverize, aging, yellow, dissolving, the operation such as maturation obtain viscose glue, and in dissolution process, add denaturant;

3) preparation of rayon spinning stoste: ratio bamboo charcoal slurry being accounted for finished fiber weight 0.1% in bamboo charcoal wherein, is mixed in the viscose glue in maturation and stirs, and then through continuous defoaming, filtration, obtains rayon spinning stoste;

4) spinning: the spinning solution of step C is extruded by spinnerets and enters spinning moulding in coagulating bath, and shaping strand is carried out plasticizing drawing-off process;

5) post processing: the strand after drawing-off is through cutting off, washing, dry and get final product.

Step 2) described in viscose glue, its viscosity 60 seconds, degree of ripeness 7ml, containing alkali 5%, the fine content 8.7% of first.

In the spinning technique described in step 4), spin fast 55m/min, total draft 160%; Coagulation bath composition is: sulfuric acid 130g/L, sodium sulphate 280g/L, zinc sulfate 8g/L, and the temperature of coagulating bath is 55 DEG C.

In the aftertreatment technology described in step 5), bake out temperature controls at 140 DEG C.

In the preparation steps of bamboo charcoal slurry described in steps A or step 1), described bamboo charcoal pulp is made up of the raw material of following weight percentage:

Bamboo charcoal powder 6%

Still dispersant 1.5%

Thickener 1%

Alkali 5%

Surplus is deionized water.

The viscosity of described bamboo charcoal pulp is 70s, and alkalinity is 5%, particle diameter≤0.8 μm of bamboo carbon powder particle.

Described still dispersant is polyacrylic acid sodium salt; Described thickener is hydroxypropyl methylcellulose.

Carboxymethyl cellulose; Described alkali is NaOH.

In step 2) in the preparation process of described viscose glue, the denaturant added is alkyl polyamine, and its addition is 0.5% of chemical cellulose weight in viscose glue.

In the coagulating bath described in step 4), be also added with denaturant and dispersant, described denaturant is polyoxy enediol, accounts for 0.6% of coagulating bath gross weight; Described dispersant is many alkyl dimethyl ammonium chloride, accounts for 0.6% of coagulating bath total amount.

embodiment 7

A kind of bamboo charcoal short fiber, this short rayon fiber obtains through spinning by after bamboo charcoal slurry and viscose glue mixture, the content of its bamboo charcoal nano is 10% of finished fiber weight, the specific targets of described bamboo charcoal short fiber are: dry fracture strength 2.2cN/dtex, dry elongation at break 16%, dry strength coefficient of variation CV 18%, fault≤4mg/100, bamboo charcoal content 10%, antibiotic rate > 99.9%, ammonia absorption > 50%, water-fastness COLOR FASTNESS 4-5 level.

The preparation method of described bamboo charcoal short fiber comprises following processing step:

1) preparation of bamboo charcoal slurry: after adding still dispersant, bamboo charcoal powder, thickener, alkali in deionized water, through stirring, grinding is even and get final product;

2) preparation of viscose glue: with bamboo, fiber crops, straw pulp for raw material, through dipping, squeezing, pulverize, aging, yellow, dissolving, the operation such as maturation obtain viscose glue, and in dissolution process, add denaturant;

3) preparation of rayon spinning stoste: ratio bamboo charcoal slurry being accounted for finished fiber weight 10% in bamboo charcoal wherein, is mixed in the viscose glue in maturation and stirs, and then through continuous defoaming, filtration, obtains rayon spinning stoste;

4) spinning: the spinning solution of step C is extruded by spinnerets and enters spinning moulding in coagulating bath, and shaping strand is carried out plasticizing drawing-off process;

5) post processing: the strand after drawing-off is through cutting off, washing, dry and get final product.

Step 2) described in viscose glue, its viscosity 40 seconds, degree of ripeness 10ml, containing alkali 6%, the fine content 9.5% of first.

In the spinning technique described in step 4), spin fast 40m/min, total draft 120%; Coagulation bath composition is: sulfuric acid 120g/L, sodium sulphate 320g/L, zinc sulfate 12g/L, and the temperature of coagulating bath is 60 DEG C.

In the aftertreatment technology described in step 5), bake out temperature controls at 120 DEG C.

In the preparation steps of bamboo charcoal slurry described in steps A or step 1), described bamboo charcoal pulp is made up of the raw material of following weight percentage:

Bamboo charcoal powder 23%

Still dispersant 2%

Thickener 5%

Alkali 6%

Surplus is deionized water.

The viscosity of described bamboo charcoal pulp is 50s, and alkalinity is 6%, particle diameter≤0.8 μm of bamboo carbon powder particle.

Described still dispersant is polyacrylic acid sodium salt; Described thickener is hydroxyethylcellulose; Described alkali is NaOH.

In step 2) in the preparation process of described viscose glue, the denaturant added is alkyl polyamine, and its addition is 1.5% of chemical cellulose weight in viscose glue.

In the coagulating bath described in step 4), be also added with denaturant and dispersant, described denaturant is polyoxy enediol, accounts for 0.65% of coagulating bath gross weight; Described dispersant is Dialkyl dimethyl ammonium chloride, accounts for 0.7% of coagulating bath total amount.

embodiment 8

A kind of bamboo charcoal short fiber, this short rayon fiber obtains through spinning by after bamboo charcoal slurry and viscose glue mixture, the content of its bamboo charcoal nano is 5% of finished fiber weight, the specific targets of described bamboo charcoal short fiber are: dry fracture strength 3cN/dtex, dry elongation at break 17%, dry strength coefficient of variation CV 17.5%, fault≤4mg/100, bamboo charcoal content 5%, antibiotic rate > 99.9%, ammonia absorption > 50%, water-fastness COLOR FASTNESS 4-5 level.

The preparation method of described bamboo charcoal short fiber comprises following processing step:

1) preparation of bamboo charcoal slurry: after adding still dispersant, bamboo charcoal powder, thickener, alkali in deionized water, through stirring, grinding is even and get final product;

2) preparation of viscose glue: with bamboo and wood pulp for raw material, through dipping, squeezing, pulverize, aging, yellow, dissolving, the operation such as maturation obtain viscose glue, and in dissolution process, add denaturant;

3) preparation of rayon spinning stoste: ratio bamboo charcoal slurry being accounted for finished fiber weight 5% in bamboo charcoal wherein, is mixed in the viscose glue in maturation and stirs, and then through continuous defoaming, filtration, obtains rayon spinning stoste;

4) spinning: the spinning solution of step C is extruded by spinnerets and enters spinning moulding in coagulating bath, and shaping strand is carried out plasticizing drawing-off process;

5) post processing: the strand after drawing-off is through cutting off, washing, dry and get final product.

Step 2) described in viscose glue, its viscosity 55 seconds, degree of ripeness 8ml, containing alkali 4.5%, the fine content 9% of first.

In the spinning technique described in step 4), spin fast 50m/min, total draft 130%; Coagulation bath composition is: sulfuric acid 125g/L, sodium sulphate 290g/L, zinc sulfate 10.5g/L, and the temperature of coagulating bath is 58 DEG C.

In the aftertreatment technology described in step 5), bake out temperature controls at 100 DEG C.

In the preparation steps of bamboo charcoal slurry described in steps A or step 1), described bamboo charcoal pulp is made up of the raw material of following weight percentage:

Bamboo charcoal powder 18%

Still dispersant 1.3%

Thickener 3%

Alkali 5.5%

Surplus is deionized water.

The viscosity of described bamboo charcoal pulp is 30s, and alkalinity is 5.5%, particle diameter≤0.8 μm of bamboo carbon powder particle.

Described still dispersant is polyacrylic acid sodium salt; Described thickener is ethylhydroxyethylcellulose; Described alkali is NaOH.

In step 2) in the preparation process of described viscose glue, the denaturant added is alkyl polyamine, and its addition is 1.1% of chemical cellulose weight in viscose glue.

Claims (8)

1. the preparation method of a bamboo-carbon viscose fibre, it is characterized in that: this viscose obtains through spinning by after bamboo charcoal slurry and viscose glue mixture, the content of its bamboo charcoal nano is 0.1% ~ 10% of finished fiber weight, the specific targets of described bamboo-carbon viscose fibre finished product comprise: dry fracture strength is 1.6 ~ 3.5cN/dtex, dry elongation at break is 16 ~ 20%, dry strength coefficient of variation CV≤18%, dry extension at break coefficient of variation CV≤8%, fault≤4mg/100, bamboo charcoal content 0.1 ~ 10%, antibiotic rate > 99.9%, ammonia absorption > 50%, water-fastness COLOR FASTNESS 4-5 level, wherein:
The specific targets of bamboo charcoal long filament are: dry fracture strength 1.6 ~ 2.2cN/dtex, dry elongation at break 16 ~ 20%, dry extension at break coefficient of variation CV≤8%, the absorption of bamboo charcoal content 0.1 ~ 10%, antibiotic rate > 99.9%, ammonia > 50%, water-fastness COLOR FASTNESS 4-5 level;
The specific targets of bamboo charcoal short fiber are: dry fracture strength 2.2 ~ 3.5cN/dtex, dry elongation at break 16 ~ 20%, dry strength coefficient of variation CV≤18%, the absorption of fault≤4mg/100, bamboo charcoal content 0.1 ~ 10%, antibiotic rate > 99.9%, ammonia > 50%, water-fastness COLOR FASTNESS 4-5 level;
The step of preparation process of described bamboo charcoal long filament is as follows:
The preparation of A bamboo charcoal slurry: after adding still dispersant, bamboo charcoal powder, thickener, alkali in deionized water, through stirring, grinding is even and get final product;
The preparation of B viscose glue: with the one in bamboo, cotton, fiber crops, grass, wood pulps or any combination for raw material, through dipping, squeezing, pulverize, aging, yellow, dissolving, maturation operation obtain viscose glue, and add denaturant in dissolution process;
The preparation of C rayon spinning stoste: ratio bamboo charcoal slurry being accounted for finished fiber weight 0.1 ~ 10% in bamboo charcoal wherein, is mixed in the viscose glue in maturation and stirs, and then through continuous defoaming, filtration, obtains rayon spinning stoste;
D spinning: the spinning solution of step C is extruded by spinnerets and enters spinning moulding in coagulating bath;
E post processing: shaping strand is through washing, oven dry, one-tenth cylinder and get final product;
The step of preparation process of described bamboo charcoal short fiber is as follows:
1) preparation of bamboo charcoal slurry: after adding still dispersant, bamboo charcoal powder, thickener, alkali in deionized water, through stirring, grinding is even and get final product;
2) preparation of viscose glue: with the one in bamboo, cotton, fiber crops, grass, wood pulps or any combination for raw material, through dipping, squeezing, pulverize, aging, yellow, dissolving, maturation operation obtain viscose glue, and add denaturant in dissolution process;
3) preparation of rayon spinning stoste: ratio bamboo charcoal slurry being accounted for finished fiber weight 0.1 ~ 15% in bamboo charcoal wherein, is mixed in the viscose glue in maturation and stirs, and then through continuous defoaming, filtration, obtains rayon spinning stoste;
4) spinning: the spinning solution of step C is extruded by spinnerets and enters spinning moulding in coagulating bath, and shaping strand is carried out plasticizing drawing-off process;
5) post processing: the strand after drawing-off is through cutting off, washing, dry and get final product;
In the preparation steps of bamboo charcoal slurry described in steps A or step 1), described bamboo charcoal pulp is made up of the raw material of following weight percentage:
Bamboo charcoal powder 5 ~ 25%
Still dispersant 1 ~ 2%
Thickener 1 ~ 5%
Alkali 4 ~ 6%
Surplus is deionized water;
The viscosity of described bamboo charcoal pulp is 30 ~ 70s, and alkalinity is 4 ~ 6%, particle diameter≤0.8 μm of bamboo carbon powder particle;
Described still dispersant is polyacrylic acid sodium salt; Described thickener is cellulose thickener; Described alkali is NaOH;
In step B or step 2) in the preparation process of described viscose glue, the denaturant added is alkyl polyamine, and its addition is 0.5 ~ 1.5% of chemical cellulose weight in viscose glue.
2. the preparation method of a bamboo-carbon viscose fibre according to claim 1, is characterized in that: the viscose glue described in step B, its viscosity 30 ~ 50 seconds, degree of ripeness 10 ~ 12ml, containing alkali 4 ~ 6%, the fine content 8 ~ 9% of first.
3. the preparation method of a bamboo-carbon viscose fibre according to claim 1, is characterized in that: in the spinning technique described in step D, spins speed 70 ~ 90m/min, jet stretch 0 ~-8%, nervous drawing-off 0 ~ 8%; Coagulation bath composition is: sulfuric acid 120 ~ 140g/L, sodium sulphate 220 ~ 260g/L, zinc sulfate 8 ~ 12g/L, and the temperature of coagulating bath is 50 ~ 60 DEG C.
4. the preparation method of a bamboo-carbon viscose fibre according to claim 1, it is characterized in that: in the aftertreatment technology described in step e, bake out temperature controls at 70 ~ 100 DEG C.
5. the preparation method of a bamboo-carbon viscose fibre according to claim 1, is characterized in that: in the spinning technique described in step 4), spins speed 40 ~ 55m/min, total draft 120 ~ 160%; Coagulation bath composition is: sulfuric acid 110 ~ 130g/L, sodium sulphate 280 ~ 320g/L, zinc sulfate 8 ~ 12g/L, and the temperature of coagulating bath is 50 ~ 60 DEG C.
6. the preparation method of a bamboo-carbon viscose fibre according to claim 1, it is characterized in that: in the aftertreatment technology described in step 5), bake out temperature controls at 100 ~ 140 DEG C.
7. the preparation method of a bamboo-carbon viscose fibre according to claim 1, is characterized in that: described cellulose thickener is selected from hydroxyethylcellulose, hydroxypropyl methylcellulose, carboxymethyl cellulose or ethylhydroxyethylcellulose.
8. the preparation method of a bamboo-carbon viscose fibre according to claim 1, it is characterized in that: in the coagulating bath described in step D or step 4), be also added with denaturant and dispersant, described denaturant is polyoxy enediol, accounts for 0.55 ~ 0.65% of coagulating bath gross weight; Described dispersant is Dialkyl dimethyl ammonium chloride, many alkyl trimethyl ammonium chlorides or many alkyl dimethyl ammonium chloride, accounts for 0.5 ~ 0.7% of coagulating bath total amount.
CN201310527747.8A 2013-10-31 2013-10-31 A kind of bamboo-carbon viscose fibre and preparation method thereof CN103556260B (en)

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