CN103556280B - A kind of Antistatic bamboo charcoal viscose fiber and preparation method thereof - Google Patents
A kind of Antistatic bamboo charcoal viscose fiber and preparation method thereof Download PDFInfo
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- CN103556280B CN103556280B CN201310528001.9A CN201310528001A CN103556280B CN 103556280 B CN103556280 B CN 103556280B CN 201310528001 A CN201310528001 A CN 201310528001A CN 103556280 B CN103556280 B CN 103556280B
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Abstract
The present invention, in order to make up the blank of current Antistatic bamboo charcoal viscose fiber, solves the problem of current bamboo-carbon viscose fibre spinnability difference, provides a kind of Antistatic bamboo charcoal viscose fiber and preparation method thereof.It is characterized in that: content of graphite 1 ~ 10% in fiber, bamboo charcoal content 0.1 ~ 10%, specific insulation is less than 10
10Ω cm, ammonia absorptivity>=50%, gas permeability>=500mm/s, water-fastness COLOR FASTNESS 4 ~ 5 grades.Antistatic bamboo charcoal viscose fiber of the present invention not only has antibacterial, uvioresistant, deodorization functions, have good gas permeability, hygroscopicity, and feel is soft, and antistatic effect significantly, lastingly.
Description
Technical field
The present invention relates to textile industry viscose glue technical field, be specifically related to a kind of Antistatic 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.
Along with the raising of industrial development and process velocity, the accident caused because of electrostatic is increasing, and the effective means reducing static accident adopts antistatic fibre and fabric to implement effectively to protect exactly.Antistatic fibre is the functional fiber being eliminated electrostatic by electrical conductivity and corona discharge, and its development and application more and more comes into one's own.Yet there are no the report of Antistatic bamboo charcoal viscose fiber.
Summary of the invention
The present invention, in order to make up the blank of current Antistatic bamboo charcoal viscose fiber, adapts to the demand of produce market client, solves the problem of current bamboo-carbon viscose fibre spinnability difference, provide a kind of Antistatic bamboo charcoal viscose fiber and preparation method thereof.Antistatic bamboo charcoal viscose fiber of the present invention not only has antibacterial, uvioresistant, deodorization functions, have good gas permeability, hygroscopicity, and feel is soft, and antistatic effect significantly, lastingly.
For achieving the above object, the present invention adopts following technical scheme:
A kind of Antistatic bamboo charcoal viscose fiber, it is characterized in that: by weight, content of graphite 1 ~ 10% in fiber, bamboo charcoal content 0.1 ~ 10%, specific insulation is less than 10
10Ω cm, ammonia absorptivity>=50%, gas permeability>=500mm/s, water-fastness COLOR FASTNESS 4 ~ 5 grades.
Described Antistatic bamboo charcoal viscose fiber is antistatic bamboo charcoal long filament, dry strong 1.6 ~ 2.5cN/dtex, dryly stretches 16 ~ 22%, dryly stretches variation≤8%.
Described Antistatic bamboo charcoal viscose fiber is antistatic bamboo charcoal short fiber, dry strong 2.2 ~ 3.5cN/dtex, dryly stretches 16 ~ 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, graphite can be adsorbed well.
The preparation method of Antistatic bamboo charcoal viscose fiber of the present invention, be directly sent to the spinning of spinning board after fully being mixed by static mixer with viscose glue by antistatic bamboo charcoal solution, post processing obtains finished product; The flow velocity that described antistatic bamboo charcoal solution 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 antistatic 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 antistatic bamboo charcoal solution: first bamboo charcoal powder is added alkali, thickener, dispersant, be dispersed in water, through stirring, grinding evenly, obtains bamboo charcoal solution; Mix with graphite solution again, after stirring, leave standstill 60 ~ 180min, the absorption of bamboo charcoal to graphite is reached capacity.
Described graphite solution refers to, by Graphite dissolution in dimethylacetylamide, adds the dispersant titanate esters (LS ~ 50) that mass fraction is 1 ~ 5%.Graphite dissolubility in dimethylacetylamide is good, and dispersant just wraps particle, eliminates the surface energy of particle, and can not affect electric conductivity and the mechanical property of system because adding multi-dispersant.
The particle diameter of described graphite is 20 ~ 50nm, can fully by bamboo Charcoal Adsorption, and antistatic effect is more lasting, can be uniformly dispersed in viscose glue after mixing, contributes to the spinnability improving strand.
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 liquid bubble-free, does not affect the spinnability of fiber.
Described thickener is cellulose thickener, and by weight, addition is 1 ~ 5%.Object is the viscosity increasing bamboo charcoal solution, consistent with the viscosity of viscose glue and alkalinity, makes it to have compatibility with viscose glue, does not destroy, affects the stability of viscose glue, ensure that the spinnability of bamboo-carbon fibre.
Antistatic bamboo charcoal solution 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 coagulation bath composition of described spinning process is: sulfuric acid 100 ~ 120g/L, sodium sulphate 240 ~ 320g/L, zinc sulfate 1 ~ 8/L, aluminum sulfate 1 ~ 10g/L; The temperature of coagulating bath is 40 ~ 50 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, adopt the acid bath technique of the high salt of low acid simultaneously, avoid the problem of viscose glue easy fracture of wire because of impure.
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 viscose glue to decline, therefore the setting outline of spinning temperature is lower than common process temperature.Reducing temperature can prevent adhesive surface viscosity from declining, and improves the rheological property of viscose glue, improves 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 Antistatic bamboo charcoal viscose fiber is antistatic 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 Antistatic bamboo charcoal viscose fiber is antistatic 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, Antistatic bamboo charcoal viscose fiber of the present invention, content of graphite 1 ~ 10% in fiber, bamboo charcoal content 0.1 ~ 10%, specific insulation is less than 10
10Ω cm, ammonia absorptivity>=50%, gas permeability>=500mm/s, water-fastness COLOR FASTNESS 4 ~ 5 grades is a kind of new product.Viscose 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 feel is soft, antistatic effect significantly, lastingly.The present invention is that the exploitation of functional fiber adds new varieties, meets the diversified demand in market.
2, the present invention adds graphite in bamboo charcoal solution, effectively increases the antistatic effect of bamboo-carbon viscose fibre; Simultaneously, dimethylacetamide amine solvent graphite will be selected, select dispersant titanate esters, graphite dissolubility in dimethylacetylamide is good, dispersant just wraps particle, eliminates the surface energy of particle, and can not affect electric conductivity and the mechanical property of system because adding multi-dispersant, ensure that resistant fiber electrostatic efficiency, and effect is lasting.
3, the thickener and alkali that do not have in prior art is added in the preparation raw material of bamboo charcoal solution that Antistatic 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.
4, the preparation raw material of bamboo charcoal solution 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, slurries bubble-free, does not affect the spinnability of fiber, is the further guarantee of bamboo-carbon fibre spinnability.
5, Li Jing≤0.8 μm of the bamboo charcoal of the antistatic bamboo charcoal solution of the present invention, is 4 ~ 6% containing alkali mass fraction, and viscosity is 30 ~ 70s.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.
6, production technology of the present invention, the spinning of spinning board is directly sent to after antistatic bamboo charcoal solution is fully 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 antistatic 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 controls at 40 ~ 50 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; Adopt the acid bath technique of the high salt of low acid simultaneously, avoid the problem of viscose glue easy fracture of wire because of impure, further ensure the spinnability of strand.
8, 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 viscose glue to decline, therefore the setting outline of viscose glue temperature is lower than common process temperature.Reducing temperature can prevent adhesive surface viscosity from declining, and improves the rheological property of viscose glue, improves the uniformity of bamboo-carbon powder distribution.
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, 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 Antistatic bamboo charcoal viscose fiber, by weight, content of graphite 1% in fiber, bamboo charcoal content 0.1%, specific insulation is 1 × 10
8Ω cm, ammonia absorptivity>=50%, gas permeability>=500mm/s, water-fastness COLOR FASTNESS 4 grades.
Embodiment 2
A kind of antistatic bamboo charcoal long filament, by weight, content of graphite 5% in fiber, bamboo charcoal content 0.8%, specific insulation is less than 2 × 10
9Ω cm, ammonia absorptivity>=50%, gas permeability>=500mm/s, water-fastness COLOR FASTNESS 4 grades, dry strong 1.6cN/dtex, dryly stretches 17%, dryly stretches variation≤8%.
Embodiment 3
A kind of antistatic bamboo charcoal long filament, by weight, content of graphite 10% in fiber, bamboo charcoal content 8%, specific insulation is less than 8 × 10
9Ω cm, ammonia absorptivity>=50%, gas permeability>=500mm/s, water-fastness COLOR FASTNESS 5 grades, dry strong 2.5cN/dtex, dryly stretches 16%, dryly stretches variation≤8%.
Embodiment 4
A kind of antistatic bamboo charcoal long filament, by weight, content of graphite 6% in fiber, bamboo charcoal content 10%, specific insulation is less than 5.3 × 10
7Ω cm, ammonia absorptivity>=50%, gas permeability>=500mm/s, water-fastness COLOR FASTNESS 4 grades, dry strong 1.9cN/dtex, dryly stretches 22%, dryly stretches variation≤8%.
Embodiment 5
A kind of antistatic bamboo charcoal short fiber, by weight, content of graphite 2% in fiber, bamboo charcoal content 5%, specific insulation is less than 6.3 × 10
8Ω cm, ammonia absorptivity>=50%, gas permeability>=500mm/s, water-fastness COLOR FASTNESS 4 grades, dry strong 2.2cN/dtex, dryly stretches 16%, dry strong variation≤18%, fault≤4mg/100g.
Embodiment 6
A kind of antistatic bamboo charcoal short fiber, by weight, content of graphite 3% in fiber, bamboo charcoal content 8%, specific insulation is less than 7.8 × 10
8Ω cm, ammonia absorptivity>=50%, gas permeability>=500mm/s, water-fastness COLOR FASTNESS 4 grades, dry strong 3.0cN/dtex, dryly stretches 20%, dry strong variation≤18%, fault≤4mg/100g.
Embodiment 7
A kind of antistatic bamboo charcoal short fiber, by weight, content of graphite 5% in fiber, bamboo charcoal content 6%, specific insulation is less than 2.5 × 10
9Ω cm, ammonia absorptivity>=50%, gas permeability>=500mm/s, water-fastness COLOR FASTNESS 4 grades, dry strong 3.5cN/dtex, dryly stretches 17%, dry strong variation≤18%, fault≤4mg/100g.
Embodiment 8
The preparation method of Antistatic bamboo charcoal viscose fiber of the present invention, is characterized in that: be directly sent to the spinning of spinning board after fully being mixed by static mixer with viscose glue by antistatic bamboo charcoal solution, post processing obtains finished product; The flow velocity that described antistatic 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:
The preparation method of described antistatic bamboo charcoal solution: first bamboo charcoal powder is added alkali, thickener, dispersant, be dispersed in water, through stirring, grinding evenly, obtains bamboo charcoal solution; Mix with graphite solution again, after stirring, leave standstill 60min, the absorption of bamboo charcoal to graphite is reached capacity.
Embodiment 10
The embodiment of the present embodiment is substantially the same manner as Example 8, on this basis:
The preparation method of described antistatic bamboo charcoal solution: first bamboo charcoal powder is added alkali, thickener, dispersant, be dispersed in water, through stirring, grinding evenly, obtains bamboo charcoal solution; Mix with graphite solution again, after stirring, leave standstill 70min, the absorption of bamboo charcoal to graphite is reached capacity.
Described graphite solution refers to, by Graphite dissolution in dimethylacetylamide, adds the dispersant titanate esters that mass fraction is 1%.
Embodiment 11
The embodiment of the present embodiment is substantially the same manner as Example 8, on this basis:
The preparation method of described antistatic bamboo charcoal solution: first bamboo charcoal powder is added alkali, thickener, dispersant, be dispersed in water, through stirring, grinding evenly, obtains bamboo charcoal solution; Mix with graphite solution again, after stirring, leave standstill 80min, the absorption of bamboo charcoal to graphite is reached capacity.
Described graphite solution refers to, by Graphite dissolution in dimethylacetylamide, adds the dispersant titanate esters that mass fraction is 2%.
The particle diameter of described graphite is 20nm.
Embodiment 12
The embodiment of the present embodiment is substantially the same manner as Example 8, on this basis:
The preparation method of described antistatic bamboo charcoal solution: first bamboo charcoal powder is added alkali, thickener, dispersant, be dispersed in water, through stirring, grinding evenly, obtains bamboo charcoal solution; Mix with graphite solution again, after stirring, leave standstill 90min, the absorption of bamboo charcoal to graphite is reached capacity.
Described graphite solution refers to, by Graphite dissolution in dimethylacetylamide, adds the dispersant titanate esters that mass fraction is 3%.
The particle diameter of described graphite is 50nm.
Described dispersant is still dispersant polyacrylic acid sodium salt, and by weight, addition is 1%.
Embodiment 13
The embodiment of the present embodiment is substantially the same manner as Example 8, on this basis:
The preparation method of described antistatic bamboo charcoal solution: first bamboo charcoal powder is added alkali, thickener, dispersant, be dispersed in water, through stirring, grinding evenly, obtains bamboo charcoal solution; Mix with graphite solution again, after stirring, leave standstill 100min, the absorption of bamboo charcoal to graphite is reached capacity.
Described graphite solution refers to, by Graphite dissolution in dimethylacetylamide, adds the dispersant titanate esters that mass fraction is 4%.
The particle diameter of described graphite is 30nm.
Described dispersant is still dispersant polyacrylic acid sodium salt, and by weight, addition is 10%.
Also be added with cellulose thickener in described antistatic bamboo charcoal solution, by weight, addition is 5%.
Embodiment 14
The embodiment of the present embodiment is substantially the same manner as Example 8, on this basis:
The preparation method of described antistatic bamboo charcoal solution: first bamboo charcoal powder is added alkali, thickener, dispersant, be dispersed in water, through stirring, grinding evenly, obtains bamboo charcoal solution; Mix with graphite solution again, after stirring, leave standstill 120min, the absorption of bamboo charcoal to graphite is reached capacity.
Described graphite solution refers to, by Graphite dissolution in dimethylacetylamide, adds the dispersant titanate esters that mass fraction is 5%.
The particle diameter of described graphite is 40nm.
Described dispersant is still dispersant polyacrylic acid sodium salt, and by weight, addition is 2%.
Also be added with cellulose thickener in described antistatic bamboo charcoal solution, by weight, addition is 1%.
In described bamboo charcoal pulp, the amount of bamboo charcoal powder is 50%.
Embodiment 15
The embodiment of the present embodiment is substantially the same manner as Example 8, on this basis:
The preparation method of described antistatic bamboo charcoal solution: first bamboo charcoal powder is added alkali, thickener, dispersant, be dispersed in water, through stirring, grinding evenly, obtains bamboo charcoal solution; Mix with graphite solution again, after stirring, leave standstill 180min, the absorption of bamboo charcoal to graphite is reached capacity.
Described graphite solution refers to, by Graphite dissolution in dimethylacetylamide, adds the dispersant titanate esters that mass fraction is 3%.
The particle diameter of described graphite is 25nm.
Described dispersant is still dispersant polyacrylic acid sodium salt, and by weight, addition is 5%.
Also be added with cellulose thickener in described antistatic bamboo charcoal solution, by weight, addition is 3%.
In described bamboo charcoal pulp, the amount of bamboo charcoal powder is 30%.
Embodiment 16
The embodiment of the present embodiment is substantially the same manner as Example 8, on this basis:
The preparation method of described antistatic bamboo charcoal solution: first bamboo charcoal powder is added alkali, thickener, dispersant, be dispersed in water, through stirring, grinding evenly, obtains bamboo charcoal solution; Mix with graphite solution again, after stirring, leave standstill 150min, the absorption of bamboo charcoal to graphite is reached capacity.
Described graphite solution refers to, by Graphite dissolution in dimethylacetylamide, adds the dispersant titanate esters that mass fraction is 2%.
The particle diameter of described graphite is 35nm.
Described dispersant is still dispersant polyacrylic acid sodium salt, and by weight, addition is 8%.
Also be added with cellulose thickener in described antistatic bamboo charcoal solution, by weight, addition is 4%.
In described bamboo charcoal pulp, the amount of bamboo charcoal powder is 10%.
Embodiment 17
The embodiment of the present embodiment is substantially the same manner as Example 8, on this basis:
Described antistatic bamboo charcoal solution, the particle diameter of bamboo charcoal is 0.8 μm, is 4.6% containing alkali mass fraction, and viscosity is 40s.
Embodiment 18
The embodiment of the present embodiment is substantially the same manner as Example 8, on this basis:
Described antistatic bamboo charcoal solution, the particle diameter of bamboo charcoal is 0.5 μm, is 4% containing alkali mass fraction, and viscosity is 30s.
Viscosity 30 s, the degree of ripeness 7ml of described viscose glue, containing alkali 4%, the fine content 8% of first.
Embodiment 19
The embodiment of the present embodiment is substantially the same manner as Example 16, on this basis:
Described antistatic bamboo charcoal solution, the particle diameter of bamboo charcoal is 0.6 μm, is 6% containing alkali mass fraction, and viscosity is 70s.
Viscosity 70 s, the degree of ripeness 12ml of described viscose glue, containing alkali 6%, the fine content 10% of first.
Embodiment 20
The embodiment of the present embodiment is substantially the same manner as Example 16, on this basis:
Described antistatic bamboo charcoal solution, the particle diameter of bamboo charcoal is 0.2 μm, is 5% containing alkali mass fraction, and viscosity is 55s.
Viscosity 55 s, the degree of ripeness 10ml of described viscose glue, containing alkali 5%, the fine content 8.8% of first.
Embodiment 21
The embodiment of the present embodiment is substantially the same manner as Example 8, on this basis:
Described antistatic bamboo charcoal solution, the particle diameter of bamboo charcoal is 0.1 μm, is 4.5% containing alkali mass fraction, and viscosity is 45s.
Viscosity 45 s, the degree of ripeness 8ml of described viscose glue, containing alkali 4.5%, the fine content 8.5% of first.
Embodiment 22
The present embodiment is substantially identical with the embodiment of embodiment 8, on this basis:
The consisting of of coagulating bath in described spinning process: sulfuric acid 100g/L, sodium sulphate 240g/L, zinc sulfate 1g/L, aluminum sulfate 1g/L; The temperature of coagulating bath is 40 DEG C.
Embodiment 23
The present embodiment is substantially identical with the embodiment of embodiment 16, 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.
The spinning mixture temperature of described spinning process is 10 DEG C.
Embodiment 24
The present embodiment is substantially identical with the embodiment of embodiment 21, on this basis:
The consisting of of coagulating bath in described spinning process: sulfuric acid 110g/L, sodium sulphate 260g/L, zinc sulfate 2g/L, aluminum sulfate 5g/L; The temperature of coagulating bath is 45 DEG C.
The spinning mixture temperature of described spinning process is 15 DEG C.
Embodiment 25
The present embodiment is substantially identical with the embodiment of embodiment 21, on this basis:
The consisting of of coagulating bath in described spinning process: sulfuric acid 105g/L, sodium sulphate 300g/L, zinc sulfate 3g/L, aluminum sulfate 6g/L; The temperature of coagulating bath is 46 DEG C.
The spinning mixture temperature of described spinning process is 20 DEG C.
Embodiment 26
The present embodiment is substantially identical with the embodiment of embodiment 8, on this basis:
Described antistatic bamboo charcoal solution viscose is antistatic bamboo charcoal long filament, and technological process is: stoste preparation-spinning-washing-drying-one-tenth cylinder-finished product.
Embodiment 27
The present embodiment is substantially identical with the embodiment of embodiment 8, on this basis:
Described Antistatic bamboo charcoal viscose fiber is antistatic 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 8%; Bake out temperature 80 DEG C.
Embodiment 28
The present embodiment is substantially identical with the embodiment of embodiment 16, on this basis:
Described Antistatic bamboo charcoal viscose fiber is antistatic 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 6%; Bake out temperature 70 DEG C.
Embodiment 29
The present embodiment is substantially identical with the embodiment of embodiment 21, on this basis:
Described Antistatic bamboo charcoal viscose fiber is antistatic 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-5%, nervous drawing-off 7%; Bake out temperature 100 DEG C.
Embodiment 30
The present embodiment is substantially identical with the embodiment of embodiment 8, on this basis:
Described Antistatic bamboo charcoal viscose fiber is antistatic bamboo charcoal short fiber, and technological process is: stoste preparation-spinning-plasticizing drawing-off-cut-out-washing-drying-finished product.
Embodiment 31
The present embodiment is substantially identical with the embodiment of embodiment 8, on this basis:
Described Antistatic bamboo charcoal viscose fiber is antistatic 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 150%; Bake out temperature 120 DEG C.
Embodiment 32
The present embodiment is substantially identical with the embodiment of embodiment 16, on this basis:
Described Antistatic bamboo charcoal viscose fiber is antistatic 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 33
The present embodiment is substantially identical with the embodiment of embodiment 25, on this basis:
Described Antistatic bamboo charcoal viscose fiber is antistatic 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 48m/min, total draft 160%; Bake out temperature 140 DEG C.
Claims (11)
1. a preparation method for Antistatic bamboo charcoal viscose fiber, is characterized in that: be directly sent to the spinning of spinning board after fully being mixed by static mixer with viscose glue by antistatic bamboo charcoal solution, post processing obtains finished product; The flow velocity that described antistatic bamboo charcoal solution enters static mixer is greater than the flow velocity that viscose glue enters static mixer; By weight, content of graphite 1 ~ 10% in fiber, bamboo charcoal content 0.1 ~ 10%, specific insulation is less than 10
10Ω cm, ammonia absorptivity>=50%, gas permeability>=500mm/s, water-fastness COLOR FASTNESS 4 ~ 5 grades;
The preparation method of described antistatic bamboo charcoal solution: first bamboo charcoal powder is added alkali, thickener, dispersant, be dispersed in water, through stirring, grinding evenly, obtains bamboo charcoal solution; Mix with graphite solution again, after stirring, leave standstill 60 ~ 180min, the absorption of bamboo charcoal to graphite is reached capacity;
Described dispersant is still dispersant polyacrylic acid sodium salt, and by weight, addition is 1 ~ 10%;
Described thickener is cellulose thickener, and by weight, addition is 1 ~ 5%;
Described antistatic bamboo charcoal solution, 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 Antistatic bamboo charcoal viscose fiber according to claim 1, is characterized in that: described Antistatic bamboo charcoal viscose fiber is antistatic bamboo charcoal long filament, dry strong 1.6 ~ 2.5cN/dtex, dryly stretches 16 ~ 22%, dryly stretches variation≤8%.
3. the preparation method of a kind of Antistatic bamboo charcoal viscose fiber according to claim 1, it is characterized in that: described Antistatic bamboo charcoal viscose fiber is antistatic bamboo charcoal short fiber, dry strong 2.2 ~ 3.5cN/dtex, dryly stretch 16 ~ 20%, dry strong variation≤18%, fault≤4mg/100g.
4. the preparation method of a kind of Antistatic bamboo charcoal viscose fiber according to claim 1, is characterized in that: described graphite solution refers to, by Graphite dissolution in dimethylacetylamide, adds the dispersant titanate esters that mass fraction is 1 ~ 5%.
5. the preparation method of a kind of Antistatic bamboo charcoal viscose fiber according to claim 4, is characterized in that: the particle diameter of described graphite is 20 ~ 50nm.
6. the preparation method of a kind of Antistatic 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 1 ~ 8g/L, aluminum sulfate 1 ~ 10g/L; The temperature of coagulating bath is 40 ~ 50 DEG C.
7. the preparation method of a kind of Antistatic 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.
8. the preparation method of a kind of Antistatic bamboo charcoal viscose fiber according to claim 1, is characterized in that: described Antistatic bamboo charcoal viscose fiber is antistatic bamboo charcoal long filament, and technological process is: stoste preparation-spinning-washing-drying-one-tenth cylinder-finished product.
9. the preparation method of a kind of Antistatic bamboo charcoal viscose fiber according to claim 8, is characterized in that: the speed of spinning of described spinning process is 70 ~ 80m/min, jet stretch 0 ~-8%, nervous drawing-off 6 ~ 8%; Bake out temperature 70 ~ 100 DEG C.
10. the preparation method of a kind of Antistatic bamboo charcoal viscose fiber according to claim 1, it is characterized in that: described Antistatic bamboo charcoal viscose fiber is antistatic bamboo charcoal short fiber, and technological process is: stoste preparation-spinning-plasticizing drawing-off-cut-out-washing-drying-finished product.
The preparation method of 11. a kind of Antistatic bamboo charcoal viscose fiber according to claim 10, 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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| CN1318657A (en) * | 2000-04-04 | 2001-10-24 | 石美秀 | Manufacture of fibre containing functional mineral powder and fibre prepared by the same |
| 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 |
| CN103046151A (en) * | 2012-12-18 | 2013-04-17 | 青岛大学 | Graphene blend regenerated cellulose fiber and preparation method thereof |
| CN103160945A (en) * | 2013-03-11 | 2013-06-19 | 青岛大学 | Functional nano-graphite/regenerated cellulose blend fiber and preparation method thereof |
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| CN1318657A (en) * | 2000-04-04 | 2001-10-24 | 石美秀 | Manufacture of fibre containing functional mineral powder and fibre prepared by the same |
| 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 |
| CN103046151A (en) * | 2012-12-18 | 2013-04-17 | 青岛大学 | Graphene blend regenerated cellulose fiber and preparation method thereof |
| CN103160945A (en) * | 2013-03-11 | 2013-06-19 | 青岛大学 | Functional nano-graphite/regenerated cellulose blend fiber and preparation method thereof |
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