CN103556273B - A kind of production technology of hollow bamboo charcoal viscose fiber - Google Patents
A kind of production technology of hollow bamboo charcoal viscose fiber Download PDFInfo
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- CN103556273B CN103556273B CN201310527884.1A CN201310527884A CN103556273B CN 103556273 B CN103556273 B CN 103556273B CN 201310527884 A CN201310527884 A CN 201310527884A CN 103556273 B CN103556273 B CN 103556273B
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Abstract
The present invention, in order to adapt to the demand of produce market client, solves the problem of bamboo-carbon viscose fibre spinnability difference, provides a kind of production technology of hollow bamboo charcoal viscose fiber.It is characterized in that: A) spin front injection, be directly sent to spinning machine spinning after bamboo charcoal pulp fully being mixed by static mixer with viscose glue, the flow velocity that described bamboo charcoal pulp enters static mixer is greater than the flow velocity that viscose glue enters static mixer.B) spinning, viscose glue sends spinning machine to by for sebific duct road, is quantitatively sent into by measuring pump, and viscose glue is under stress by " C " type spinneret orifice, and form viscose glue thread, viscose glue thread enters coagulating bath, forms raw silk bar after coagulation forming.The degree of hollowness of described " C " type is 10 ~ 30%.C) post processing, by raw silk bar through desulfurization, bleach, oil, dry after obtain hollow bamboo charcoal viscose fiber.The present invention is that physical method prepares hollow bamboo charcoal viscose fiber, and convenient production process operation of the present invention is simple, and product quality is easy to control, steady quality.<u/>
Description
Technical field
The present invention relates to textile industry viscose glue technical field, be specifically related to a kind of production technology of hollow bamboo charcoal viscose fiber.
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.The domestic process study to hollow bamboo charcoal viscose fiber is little at present.
As 200910015991.X, name is called the patent of invention of " hollow bamboo charcoal cellulose fiber and production technology thereof ", disclose a kind of hollow bamboo charcoal cellulose fiber and production technology thereof, containing cellulose and bamboo charcoal micropowder in hollow bamboo charcoal cellulose fiber, and cellulose and bamboo charcoal micropowder quality proportioning are 98 ~ 84: 2 ~ 16, the dry of hollow bamboo charcoal cellulose fiber is by force 2.4 ~ 2.8CN/dtex, and wet is by force 1.8 ~ 2.4CN/dtex, elongation at break is 12 ~ 15%, degree of hollowness 20 ~ 35%.And this hollow bamboo charcoal cellulose fiber makes homogeneous spinning solution by the blended rear grinding of cellulose sulfonate, bamboo charcoal micropowder, sodium bicarbonate, NaOH and water, wet spinning technology is adopted to obtain fiber.The hollow bamboo charcoal cellulose fiber of this patent stretch spend low, the easy brittle failure of fiber; Preparation technology is by after blended to cellulose sulfonate, bamboo charcoal micropowder, sodium bicarbonate, NaOH and water, after filtration, multiple operation such as deaeration, maturation, operation is many, long flow path, time of staying 10-20h, long flow path, bamboo charcoal powder is black, pipeline, equipment etc. are polluted large, wastewater treatment difficulty; Time is long, and the additive of bamboo charcoal powder, sodium bicarbonate is large to viscose glue stability influence, and cause degree of ripeness to fluctuate, unstable product quality, spinnability is poor.
Summary of the invention
The present invention is directed to above-mentioned technical problem, provide a kind of production technology of hollow bamboo charcoal viscose fiber.Hollow bamboo charcoal viscose fiber of the present invention, under the prerequisite keeping bamboo-carbon viscose fibre sterilization, deodorizing, far infrared, adsorb peculiar smell effect, makes value-added content of product be greatly improved, has given play to the good characteristic of bamboo-carbon fibre to the full extent.The present invention is that physical method prepares hollow bamboo charcoal viscose fiber, and the advantage of this production technology is convenient for production, and product quality is easy to control, and hollow rate is stablized.
For achieving the above object, the present invention adopts following technical scheme:
A production technology for hollow bamboo charcoal viscose fiber, is characterized in that: comprise following processing step:
A spins front injection
Directly be sent to spinning machine spinning after bamboo charcoal pulp fully being mixed by static mixer with viscose glue, the flow velocity that described bamboo charcoal pulp enters static mixer is greater than the flow velocity that viscose glue enters static mixer.
After viscose glue enters the pipeline of static mixer, can solidify and cause line clogging, the flow velocity of bamboo charcoal pulp is greater than viscose glue, is introduced into pipeline, avoids entering of viscose glue, can not cause plugging.
B spinning
Viscose glue sends spinning machine to by for sebific duct road, is quantitatively sent into by measuring pump, and viscose glue is under stress by " C " type spinneret orifice, and form viscose glue thread, viscose glue thread enters coagulating bath, forms raw silk bar after coagulation forming.The degree of hollowness of described " C " type is 10 ~ 30%.
Obtained fiber is the degree of hollowness of 10 ~ 30%, effectively reduces the weight of fiber, and can comprise a large amount of still air, and make fabric while light, thermal property is better than common homogeneity fabric.
C post processing
By raw silk bar through desulfurization, bleach, oil, dry after obtain hollow bamboo charcoal viscose fiber.
The production technology of bamboo charcoal pulp of the present invention is: after adding still dispersant, bamboo charcoal powder, thickener, alkali in deionized water, and through stirring, grinding is even and get final product.
Described still dispersant is 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, slurries bubble-free, does not affect the spinnability of fiber.
Described thickener is cellulose thickener, and by weight, addition is 1 ~ 5%.Object increases the viscosity of bamboo charcoal pulp, consistent with the viscosity of viscose glue and alkalinity, makes it to have compatibility with viscose glue, do not destroy, affect the stability of viscose glue, ensure that the spinnability of bamboo-carbon fibre.
Described alkali is NaOH.Because alkali many uses NaOH that viscose is produced, matching to produce with viscose, increasing compatibility, the stability of viscose glue can be ensured.
Bamboo charcoal pulp viscosity of the present invention is 30 ~ 70s(falling ball viscosity), alkalinity is 4 ~ 6%, Li Jing≤0.8 μm of bamboo charcoal.
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.
Fiber is stretched in spinning process, and the degree of orientation and degree of crystallinity are all improved.Because the present invention is preparation " C " type three-dimensional static electric field, do not wish to lose in drawing process that fiber has is potential in volume ability.Meanwhile, degree of crystallinity is too high can be reduced macromolecule and to relax contractility, and impact is from rolling up effect, so fiber requires that in drawing process the growth of crystallization is better less.Based on above reason, the present invention makes following optimization to spinning technique:
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.Therefore, reducing temperature not affecting fiber while volume effect, effectively can prevent adhesive surface viscosity from declining, improving the rheological property of viscose glue, improving the uniformity of bamboo-carbon powder distribution.
The coagulating bath parameter of production technology of the present invention is: sulfuric acid 100 ~ 120g/L, sodium sulphate 240 ~ 280g/L, zinc sulfate 10 ~ 15g/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.
Hollow bamboo charcoal fiber of the present invention is profiled filament, and is added with bamboo charcoal, and therefore spinnability and product strength and elongation can reduce, and simultaneously due to the reduction of uniformity, must reduce spinning speed, prevents broken end, improves 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.
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 hollow bamboo charcoal viscose fiber is hollow 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%; Bake out temperature 100 ~ 140 DEG C.
The fiber that the production technology of a kind of hollow bamboo charcoal viscose fiber of the present invention is obtained, is characterized in that: by weight, bamboo charcoal content 0.1 ~ 10% in fiber, degree of hollowness is 10 ~ 30%, and degree of stretching is 16 ~ 20%, ammonia absorptivity >=60%, gas permeability >=600mm/s, water-fastness COLOR FASTNESS 4 ~ 5 grades.
Described hollow bamboo charcoal viscose fiber is hollow bamboo charcoal viscose filament yarn, dry strong 1.6 ~ 2.2cN/dtex, dryly stretches 18 ~ 22%, dryly stretches variation≤8%.
Described hollow bamboo charcoal viscose fiber is hollow bamboo charcoal short rayon fiber, dry strong 2.2 ~ 3.0cN/dtex, dryly stretches 18 ~ 20%, dry strong variation≤18%, fault≤4mg/100g.
Beneficial effect of the present invention is:
1, hollow bamboo charcoal fibre manufacturing technique of the present invention, bamboo charcoal pulp is directly sent to the spinning of spinning board after fully being mixed by static mixer with viscose glue, without the need to increasing bamboo charcoal storage tank and filter plant again after mixing, greatly reduce in daily production process and tear filter open, the waste of viscose glue, bamboo charcoal pulp when rushing jar and pipeline, reduce the pollution of expense that environmental wastewater administers and environment simultaneously.Meanwhile, after viscose glue enters the pipeline of static mixer, can solidify and cause line clogging, the flow velocity of bamboo charcoal pulp 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.
2, the thickener and alkali that do not have in prior art is added in the preparation raw material of bamboo charcoal pulp that production technology of the present invention adopts, object is the viscosity and the alkalinity that increase bamboo charcoal pulp, make it consistent with the viscosity of viscose glue and alkalinity, with viscose glue, there is compatibility, do not destroy, affect the stability of viscose glue, ensure that the spinnability of bamboo-carbon fibre.
3, the preparation raw material of bamboo charcoal pulp of the present invention selects still dispersant polyacrylic acid sodium salt, contributes to bamboo charcoal powder and is uniformly dispersed in water, and not free settling; Meanwhile, slurries bubble-free, does not affect the spinnability of fiber, is the further guarantee of bamboo-carbon fibre spinnability.
4, the preparation raw material alkali of bamboo charcoal pulp of the present invention selects NaOH, and consumption controls 4 ~ 6%, being the alkali many uses NaOH due to viscose production, matching to produce with viscose, increases compatibility, can ensure the stability of viscose glue.
5, the viscosity of bamboo charcoal pulp of the present invention is set as 30 ~ 70s(falling ball viscosity method), alkalinity is 4 ~ 6%, and arranging like this 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, 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.
7, production technology of the present invention preparation " C " type three-dimensional static electric field, does not wish to lose in drawing process that fiber has is potential in volume ability.Meanwhile, degree of crystallinity is too high can be reduced macromolecule and to relax contractility, and impact is from rolling up effect, so fiber requires that in drawing process the growth of crystallization is better less.Based on above reason, the present invention strictly controls temperature in spinning technique and strand drawing-off parameter, and whole process system is an entirety, obtains maximum optimization.The crimpness of three-dimensional static electric field can not be had influence on, effectively ensure that the degree of hollowness of product, thus ensure that the quality of product.
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 spinning temperature is lower than common process temperature.Therefore, reducing temperature not affecting fiber while volume effect, effectively can prevent adhesive surface viscosity from declining, improving the rheological property of viscose glue, improving 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.Because hollow bamboo charcoal fiber is profiled filament, and be added with bamboo charcoal, 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.
10, the hollow bamboo charcoal viscose fiber obtained of production technology of the present invention, bamboo charcoal content 0.1 ~ 10% in fiber, degree of hollowness is 10 ~ 30%, and degree of stretching is 16 ~ 20%, ammonia absorptivity >=60%, gas permeability >=600mm/s, water-fastness COLOR FASTNESS 4 ~ 5 grades.Hollow bamboo charcoal viscose fiber is due to the excellent wicking of doughnut and the excellent water imbibition of hydrophilic cellulose fiber, more much higher than common bamboo charcoal circular cross-section fiber, has significant wet guilding, and the wet comfortableness of heat is better; With regard to health care, bamboo charcoal doughnut 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 >=60%, has significant deodorization functions.Give play to the good characteristic of bamboo-carbon fibre to the full extent.
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 production technology for hollow bamboo charcoal viscose fiber, comprises following processing step:
Prepared by A stoste
Directly be sent to spinning machine spinning after bamboo charcoal pulp fully being mixed by static mixer with viscose glue, the flow velocity that described bamboo charcoal pulp enters static mixer is greater than the flow velocity that viscose glue enters static mixer.
B spinning
Viscose glue sends spinning machine to by for sebific duct road, is quantitatively sent into by measuring pump, and viscose glue is under stress by " C " type spinneret orifice, and form viscose glue thread, viscose glue thread enters coagulating bath, forms raw silk bar after coagulation forming.The degree of hollowness of described " C " type is 10%.
C post processing
By raw silk bar through desulfurization, bleach, oil, dry after obtain hollow bamboo charcoal viscose fiber.
Embodiment 2
The embodiment of the present embodiment is substantially the same manner as Example 1, on this basis:
The degree of hollowness of described " C " type is 30%.
Embodiment 3
The embodiment of the present embodiment is substantially the same manner as Example 1, on this basis:
The degree of hollowness of described " C " type is 20%.
Embodiment 4
The embodiment of the present embodiment is substantially the same manner as Example 1, on this basis:
The degree of hollowness of described " C " type is 15%.
Embodiment 5
The embodiment of the present embodiment is substantially the same manner as Example 3, on this basis:
The production technology of described bamboo charcoal pulp is: after adding still dispersant, bamboo charcoal powder, thickener, alkali in deionized water, and through stirring, grinding is even and get final product.
Embodiment 6
The embodiment of the present embodiment is substantially the same manner as Example 3, on this basis:
The production technology of described bamboo charcoal pulp is: after adding still dispersant, bamboo charcoal powder, thickener, alkali in deionized water, and through stirring, grinding is even and get final product.
Described still dispersant is polyacrylic acid sodium salt, and by weight, addition is 1%.
Embodiment 7
The embodiment of the present embodiment is substantially the same manner as Example 3, on this basis:
The production technology of described bamboo charcoal pulp is: after adding still dispersant, bamboo charcoal powder, thickener, alkali in deionized water, and through stirring, grinding is even and get final product.
Described still dispersant is polyacrylic acid sodium salt, and by weight, addition is 2%.
Described thickener is cellulose thickener, and by weight, addition is 5%.
Embodiment 8
The embodiment of the present embodiment is substantially the same manner as Example 3, on this basis:
The production technology of described bamboo charcoal pulp is: after adding still dispersant, bamboo charcoal powder, thickener, alkali in deionized water, and through stirring, grinding is even and get final product.
Described still dispersant is polyacrylic acid sodium salt, and by weight, addition is 1.2%.
Described thickener is cellulose thickener, and by weight, addition is 1%.
In described bamboo charcoal pulp, the amount of bamboo charcoal powder is 36%.
Described alkali is NaOH.
Embodiment 9
The embodiment of the present embodiment is substantially the same manner as Example 3, on this basis:
The production technology of described bamboo charcoal pulp is: after adding still dispersant, bamboo charcoal powder, thickener, alkali in deionized water, and through stirring, grinding is even and get final product.
Described still dispersant is polyacrylic acid sodium salt, and by weight, addition is 1.1%.
Described thickener is cellulose thickener, and by weight, addition is 2%.
In described bamboo charcoal pulp, the amount of bamboo charcoal powder is 10%.
Described alkali is NaOH.
Embodiment 10
The embodiment of the present embodiment is substantially the same manner as Example 4, on this basis:
The production technology of described bamboo charcoal pulp is: after adding still dispersant, bamboo charcoal powder, thickener, alkali in deionized water, and through stirring, grinding is even and get final product.
Described still dispersant is polyacrylic acid sodium salt, and by weight, addition is 1.6%.
Described thickener is cellulose thickener, and by weight, addition is 3%.
In described bamboo charcoal pulp, the amount of bamboo charcoal powder is 50%.
Described alkali is NaOH.
Embodiment 11
The embodiment of the present embodiment is substantially the same manner as Example 4, on this basis:
Described bamboo charcoal pulp viscosity is 50s, and alkalinity is 5%, and the particle diameter of bamboo charcoal is 0.6 μm.
Embodiment 12
The embodiment of the present embodiment is substantially the same manner as Example 9, on this basis:
Described bamboo charcoal pulp viscosity is 30s, and alkalinity is 4%, and the particle diameter of bamboo charcoal is 0.4 μm.
Viscosity 30 s, the degree of ripeness 7mL of described viscose glue, containing alkali 4%, the fine content 8% of first.
Embodiment 13
The embodiment of the present embodiment is substantially the same manner as Example 10, on this basis:
Described bamboo charcoal pulp viscosity is 70s, and alkalinity is 6%, and the particle diameter of bamboo charcoal is 0.2 μm.
Viscosity 70 s, the degree of ripeness 12mL of described viscose glue, containing alkali 6%, the fine content 10% of first.
Embodiment 14
The embodiment of the present embodiment is substantially the same manner as Example 10, on this basis:
Described bamboo charcoal pulp viscosity is 60s, and alkalinity is 5.2%, and the particle diameter of bamboo charcoal is 0.08 μm.
The viscosity of described viscose glue is 60 s, degree of ripeness 10mL, containing alkali 5.2%, the fine content 9% of first.
Embodiment 15
The embodiment of the present embodiment is substantially the same manner as Example 14, on this basis:
The consisting of of coagulating bath in described spinning process: sulfuric acid 100g/L, sodium sulphate 240g/L, zinc sulfate 10g/L, aluminum sulfate 1g/L; The temperature of coagulating bath is 40 DEG C.
Embodiment 16
The embodiment of the present embodiment is substantially the same manner as Example 14, on this basis:
The consisting of of coagulating bath in described spinning process: sulfuric acid 120g/L, sodium sulphate 320g/L, zinc sulfate 15g/L, aluminum sulfate 10g/L; The temperature of coagulating bath is 50 DEG C.
The spinning mixture temperature of described spinning process is 20 DEG C.
Embodiment 17
The embodiment of the present embodiment is substantially the same manner as Example 14, on this basis:
The consisting of of coagulating bath in described spinning process: sulfuric acid 110g/L, sodium sulphate 250g/L, zinc sulfate 12g/L, aluminum sulfate 2g/L; The temperature of coagulating bath is 42 DEG C.
The spinning mixture temperature of described spinning process is 15 DEG C.
Embodiment 18
The embodiment of the present embodiment is substantially the same manner as Example 14, on this basis:
The consisting of of coagulating bath in described spinning process: sulfuric acid 105g/L, sodium sulphate 260g/L, zinc sulfate 11g/L, aluminum sulfate 3g/L; The temperature of coagulating bath is 43 DEG C.
The spinning mixture temperature of described spinning process is 16 DEG C.
The speed of spinning of described spinning process is 70m/min, jet stretch 0%, nervous drawing-off 6%; Bake out temperature 70 DEG C.
Embodiment 19
The embodiment of the present embodiment is substantially the same manner as Example 14, on this basis:
The consisting of of coagulating bath in described spinning process: sulfuric acid 115g/L, sodium sulphate 270g/L, zinc sulfate 14g/L, aluminum sulfate 5g/L; The temperature of coagulating bath is 45 DEG C.
The spinning mixture temperature of described spinning process is 18 DEG C.
The speed of spinning of described spinning process is 90m/min, jet stretch-8%, nervous drawing-off 8%; Bake out temperature 100 DEG C.
Embodiment 20
The embodiment of the present embodiment is substantially the same manner as Example 14, on this basis:
The consisting of of coagulating bath in described spinning process: sulfuric acid 108g/L, sodium sulphate 300g/L, zinc sulfate 12.5g/L, aluminum sulfate 9g/L; The temperature of coagulating bath is 48 DEG C.
The spinning mixture temperature of described spinning process is 17 DEG C.
The speed of spinning of described spinning process is 80m/min, jet stretch-5%, nervous drawing-off 7%; Bake out temperature 85 DEG C.
Embodiment 21
The embodiment of the present embodiment is substantially the same manner as Example 14, on this basis:
The consisting of of coagulating bath in described spinning process: sulfuric acid 116g/L, sodium sulphate 290g/L, zinc sulfate 13.5g/L, aluminum sulfate 4g/L; The temperature of coagulating bath is 43 DEG C.
The spinning mixture temperature of described spinning process is 12.6 DEG C.
The speed of spinning of described spinning process is 75m/min, jet stretch-2%, nervous drawing-off 7%; Bake out temperature 90 DEG C.
Embodiment 22
The embodiment of the present embodiment is substantially the same manner as Example 14, on this basis:
Described hollow bamboo charcoal viscose fiber is hollow bamboo charcoal short rayon fiber, and technological process is: stoste preparation-spinning-plasticizing drawing-off-cut-out-post processing-finished product.
Embodiment 23
The embodiment of the present embodiment is substantially the same manner as Example 14, on this basis:
Described hollow bamboo charcoal viscose fiber is hollow bamboo charcoal short rayon fiber, and technological process is: stoste preparation-spinning-plasticizing drawing-off-cut-out-post processing-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.
Embodiment 24
The embodiment of the present embodiment is substantially the same manner as Example 15, on this basis:
Described hollow bamboo charcoal viscose fiber is hollow bamboo charcoal short rayon fiber, and technological process is: stoste preparation-spinning-plasticizing drawing-off-cut-out-post processing-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.
Embodiment 25
The embodiment of the present embodiment is substantially the same manner as Example 16, on this basis:
Described hollow bamboo charcoal viscose fiber is hollow bamboo charcoal short rayon fiber, and technological process is: stoste preparation-spinning-plasticizing drawing-off-cut-out-post processing-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.
Embodiment 26
The embodiment of the present embodiment is substantially the same manner as Example 17, on this basis:
Described hollow bamboo charcoal viscose fiber is hollow bamboo charcoal short rayon fiber, and technological process is: stoste preparation-spinning-plasticizing drawing-off-cut-out-post processing-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.
Embodiment 27
The fiber that the production technology of hollow bamboo charcoal viscose fiber of the present invention is obtained, by weight, bamboo charcoal content 0.1% in fiber, degree of hollowness is 10%, and degree of stretching is 16%, ammonia absorptivity >=60%, gas permeability >=600mm/s, water-fastness COLOR FASTNESS 4 grades.
Embodiment 28
The viscose filament yarn that the production technology of hollow bamboo charcoal viscose fiber of the present invention is obtained, by weight, bamboo charcoal content 0.5% in fiber, degree of hollowness is 12%, and degree of stretching is 20%, ammonia absorptivity >=60%, gas permeability >=600mm/s, water-fastness COLOR FASTNESS 4 grades, dry strong 1.6cN/dtex, dryly stretch 22%, dryly stretch variation≤8%.
Embodiment 29
The viscose filament yarn that the production technology of hollow bamboo charcoal viscose fiber of the present invention is obtained, by weight, bamboo charcoal content 10% in fiber, degree of hollowness is 30%, degree of stretching is 18%, ammonia absorptivity >=60%, gas permeability >=600mm/s, water-fastness COLOR FASTNESS 5 grades, dry strong 2.2cN/dtex, dryly stretches 18%, dryly stretches variation≤8%.
Embodiment 30
The viscose filament yarn that the production technology of hollow bamboo charcoal viscose fiber of the present invention is obtained, by weight, bamboo charcoal content 5% in fiber, degree of hollowness is 18%, degree of stretching is 17%, ammonia absorptivity >=60%, gas permeability >=600mm/s, water-fastness COLOR FASTNESS 4 grades, dry strong 1.8cN/dtex, dryly stretches 20%, dryly stretches variation≤8%.
Embodiment 31
The short rayon fiber that the production technology of hollow bamboo charcoal viscose fiber of the present invention is obtained, by weight, bamboo charcoal content 8% in fiber, degree of hollowness is 25%, degree of stretching is 16%, ammonia absorptivity >=60%, gas permeability >=600mm/s, water-fastness COLOR FASTNESS 5 grades, dry strong 2.2cN/dtex, dryly stretch 20%, dry strong variation≤18%, fault≤4mg/100g.
Embodiment 32
The short rayon fiber that the production technology of hollow bamboo charcoal viscose fiber of the present invention is obtained, by weight, bamboo charcoal content 2.5% in fiber, degree of hollowness is 21%, degree of stretching is 20%, ammonia absorptivity >=60%, gas permeability >=600mm/s, water-fastness COLOR FASTNESS 5 grades, dry strong 3.0cN/dtex, dryly stretch 18%, dry strong variation≤18%, fault≤4mg/100g.
Embodiment 33
The short rayon fiber that the production technology of hollow bamboo charcoal viscose fiber of the present invention is obtained, by weight, bamboo charcoal content 7.8% in fiber, degree of hollowness is 15%, degree of stretching is 16 ~ 20%, ammonia absorptivity >=60%, gas permeability >=600mm/s, water-fastness COLOR FASTNESS 4 grades, dry strong 2.6cN/dtex, dryly stretch 19%, dry strong variation≤18%, fault≤4mg/100g.
Claims (9)
1. a production technology for hollow bamboo charcoal viscose fiber, is characterized in that: comprise following processing step:
Prepared by A stoste
Directly be sent to spinning machine spinning after bamboo charcoal pulp fully being mixed by static mixer with viscose glue, the flow velocity that described bamboo charcoal pulp enters static mixer is greater than the flow velocity that viscose glue enters static mixer;
B spinning
Viscose glue sends spinning machine to by for sebific duct road, is quantitatively sent into by measuring pump, and viscose glue is under stress by " C " type spinneret orifice, and form viscose glue thread, viscose glue thread enters coagulating bath, forms raw silk bar after coagulation forming; The degree of hollowness of described " C " type is 10 ~ 30%;
C post processing
By raw silk bar through desulfurization, bleach, oil, dry after obtain hollow bamboo charcoal viscose fiber;
The production technology of described bamboo charcoal pulp is: after adding still dispersant, bamboo charcoal powder, thickener, alkali in deionized water, and through stirring, grinding is even and get final product;
Described still dispersant is polyacrylic acid sodium salt, and by weight, addition is 1 ~ 2%;
Described thickener is cellulose thickener, and by weight, addition is 1 ~ 5%;
Described bamboo charcoal pulp viscosity is 30 ~ 70s, and alkalinity is 4 ~ 6%, Li Jing≤0.8 μm of bamboo charcoal;
Viscosity 30 ~ 70s, the degree of ripeness 7 ~ 12mL of described viscose glue, containing alkali 4 ~ 6%, the fine content 8 ~ 10% of first.
2. the production technology of a kind of hollow 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 10 ~ 15g/L, aluminum sulfate 1 ~ 10g/L; The temperature of coagulating bath is 40 ~ 50 DEG C.
3. the production technology of a kind of hollow 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.
4. the production technology of a kind of hollow bamboo charcoal viscose fiber according to claim 1, is characterized in that: the speed of spinning of described spinning process is 70 ~ 90m/min, jet stretch 0 ~-8%, nervous drawing-off 6 ~ 8%; Bake out temperature 70 ~ 100 DEG C.
5. the production technology of a kind of hollow bamboo charcoal viscose fiber according to claim 1, is characterized in that: described hollow bamboo charcoal viscose fiber is hollow bamboo charcoal short rayon fiber, and technological process is: spin front injection-spinning-plasticizing drawing-off-cut-out-post processing-finished product.
6. the production technology of a kind of hollow bamboo charcoal viscose fiber according to claim 5, 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.
7. the fiber that the production technology of a kind of hollow bamboo charcoal viscose fiber according to claim 1-6 any one is obtained, it is characterized in that: by weight, bamboo charcoal content 0.1 ~ 10% in fiber, degree of hollowness is 10 ~ 30%, degree of stretching is 16 ~ 20%, ammonia absorptivity >=60%, gas permeability >=600mm/s, water-fastness COLOR FASTNESS 4 ~ 5 grades.
8. the fiber that the production technology of a kind of hollow bamboo charcoal viscose fiber according to claim 7 is obtained, is characterized in that: described hollow bamboo charcoal viscose fiber is hollow bamboo charcoal viscose filament yarn, dry strong 1.6 ~ 2.2cN/dtex, dryly stretches 18 ~ 22%, dryly stretches variation≤8%.
9. the fiber that the production technology of a kind of hollow bamboo charcoal viscose fiber according to claim 7 is obtained, it is characterized in that: described hollow bamboo charcoal viscose fiber is hollow bamboo charcoal short rayon fiber, dry strong 2.2 ~ 3.0cN/dtex, dryly stretch 18 ~ 20%, dry strong variation≤18%, fault≤4mg/100g.
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| CN1995499A (en) * | 2006-12-25 | 2007-07-11 | 宜宾丝丽雅股份有限公司 | Bamboo charcoal viscose filament and its making 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 |
| CN101289770A (en) * | 2008-06-05 | 2008-10-22 | 江苏江南高纤股份有限公司 | Hollow colouring short fiber with antibiotic function |
| CN101580972A (en) * | 2009-06-09 | 2009-11-18 | 山东海龙股份有限公司 | Hollow bamboo charcoal cellulose fiber and preparation method thereof |
| CN103334173A (en) * | 2013-07-11 | 2013-10-02 | 宜宾丝丽雅股份有限公司 | Flame-retardant viscose fiber and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1995499A (en) * | 2006-12-25 | 2007-07-11 | 宜宾丝丽雅股份有限公司 | Bamboo charcoal viscose filament and its making 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 |
| CN101289770A (en) * | 2008-06-05 | 2008-10-22 | 江苏江南高纤股份有限公司 | Hollow colouring short fiber with antibiotic function |
| CN101580972A (en) * | 2009-06-09 | 2009-11-18 | 山东海龙股份有限公司 | Hollow bamboo charcoal cellulose fiber and preparation method thereof |
| CN103334173A (en) * | 2013-07-11 | 2013-10-02 | 宜宾丝丽雅股份有限公司 | Flame-retardant viscose fiber and preparation method thereof |
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