CN103556258B - A kind of bamboo charcoal, waste of flax charcoal and fruit shell carbon composite viscose fiber - Google Patents
A kind of bamboo charcoal, waste of flax charcoal and fruit shell carbon composite viscose fiber Download PDFInfo
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- CN103556258B CN103556258B CN201310527680.8A CN201310527680A CN103556258B CN 103556258 B CN103556258 B CN 103556258B CN 201310527680 A CN201310527680 A CN 201310527680A CN 103556258 B CN103556258 B CN 103556258B
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Abstract
The present invention relates to a kind of bamboo charcoal, waste of flax charcoal and fruit shell carbon composite viscose fiber, belong to viscose rayon production technical field. The present invention, taking cellulose fibre pulp as raw material, is made into viscose glue, then adopts and spin front injection bamboo charcoal slurry, waste of flax charcoal slurry and fruit shell carbon slurry are injected into viscose glue, mixes by static mixer, then carries out wet spinning and post processing and obtains finished product. The invention provides a kind of new charcoal composite viscose fiber product, can reduce production costs, meet the specific demand of product, and in raw material of the present invention, the selection of various charcoal slurry index parameters has solved in prior art and cannot fine variety classes charcoal have been starched to the problem mixing, can evenly mix by static mixer, improve the spinnability in spinning process, and can not affect post-processed, dyeing uniformity and color fastness while ensureing dyeing.
Description
Technical field
The present invention relates to a kind of activated carbon composite viscose rayon, more particularly, the present invention relates to a kind of bamboo charcoal, waste of flax charcoal and fruitShell charcoal composite viscose fiber, belongs to viscose rayon production technical field.
Background technology
Bamboo charcoal is taking 3 years above high mountain mao bamboons of life as raw material, a kind of charcoal forming through nearly thousand degree high-temperature firings. Bamboo charcoal toolThere is loose structure, 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 absorptionMildew-resistant, antibacterial expelling parasite. Contact the absorbing sweat that can dry with human body, promote blood circulation of human body and metabolism, fatigue-relieving. Through scienceRefine after processing, be widely used in daily life.
In agricultural, bamboo charcoal can be used as the carrier of a kind of edaphon and organic nutrition composition, contains biological growth instituteThe a part of mineral matter needing, can keep good nutrient balance.
In material industry, bamboo charcoal can be made into a part of advanced composite material (ACM), as ceramic porous in Ultramicro-powder bamboo carbon cloth, bamboo charcoalBody, powder compacting composite, the filler that can also make degradation plastic, feed addictive, wood-based plate etc.
In architectural decoration, bamboo charcoal is placed under building bottom or floor, there is protection against the tide, mildew-resistant, insect protected, improve environmentEffect. Because bamboo charcoal has automatic humidifying function, and effect is sustained, therefore it is much better than China at present generally under buildingPlace the method for quick lime. Bamboo charcoal powder is for building coating processing, and prospect is boundless. Along with changing of resident living qualityKind, the nowadays special bamboo charcoal in floor liking of the laid people of being subject to and advocating of environmental protection circle together with wood floors of bamboo charcoal particle packagingLead.
In environmental protection, bamboo charcoal is good purifying water treating agent, and bamboo charcoal is placed in to water, residual having in energy adsorbed waterFoul smell in evil chemical substance and water, the improvement of administering river course, sewage, particularly municipal sewage with bamboo charcoal particle, not only can be cleanChange water quality, can also remove stink, beautify the environment, particular significant effect.
In medical and health, in bamboo charcoal, contain the compositions such as acetic acid, ether, alcohol, the allergy to skin, asthma, beriberi haveEffect. Long-term bamboo charcoal toothpaste, perfumed soap, mildy wash, cosmetic cream and the bamboo charcoal of using bathed, and can promote skin keratin softening, and skin is increasedBai Qingshuan, smooth soft and moist, play the effect of nursing skin.
Aspect purifying air, the bamboo charcoal that utilizes the each position of mao bamboon to fire, is made into damping charcoal, workmanship, as bambooRoot charcoal, thick bamboo tube charcoal, charcoal wineglass, the charcoal gaily decorated basket etc.
In daily life, can make daily necessities, bedding according to the characteristic of bamboo charcoal, and refrigerator taste removal is fresh-keeping,The special charcoal bag of wardrobe mildew-resistant dehumidifying.
In processed food industry, the edible product such as bamboo charcoal peanut, bamboo charcoal dessert were developed in recent years, at these foodUpper parcel one deck bamboo charcoal, edible together in company with food, can play the effect of clean stomach.
In addition, in viscose rayon industry, extract pure methylcellulose by cellulosic material, be called pulp. By burningAlkali, carbon disulfide processing, obtain orange-yellow sodium cellulose xanthate, then be dissolved in diluted sodium hydroxide solution, becomes thicknessSpinning solution, be called viscose glue. Utilize the thick bamboo charcoal slurry that bamboo charcoal is made to mix with viscose glue, then mixed viscose is passed throughAfter filter, maturation, deaeration, carry out wet spinning. Effect of sulfuric acid in sodium cellulose xanthate and coagulating bath in viscose glue and decomposing,Cellulose regenerated and separate out, gained cellulose fibre becomes bamboo-carbon viscose fibre through washing, desulfurization, bleaching, after dry. Above-mentioned sideThe bamboo-carbon fibre that method makes and make clothing and have that smell is pure and fresh, the effect of antibacterial and bacteriostatic and Adsorption peculiar smell.
It is CN1607271 that State Intellectual Property Office discloses a publication number in 2005.4.20, and name is called " a kind of bamboo charcoalViscose rayon and manufacture method thereof " patent of invention, this patent discloses a kind of bamboo-carbon viscose fibre and manufacture method thereof. This bambooCharcoal viscose fiber, is characterized in that a kind of viscose rayon that contains bamboo charcoal. The manufacture method of this bamboo-carbon viscose fibre, includes glueOperation and spinning process, is characterized in that: bamboo charcoal is carried out after selected, coarse crushing, dedusting, removal of impurities, then it is micro-to be crushed to fineness≤0.5The bamboo charcoal micropowder preparation section of rice, puts into water by bamboo charcoal micropowder and dispersant S and makes bamboo charcoal water and milk slurry operation, in glue workIn order, increased with two layers of poplin cloth filter cloth carry out the 4th time filter step, by above-mentioned bamboo charcoal respectively at long filament frame and shortOn silk spinning machine, carry out spinning and can obtain the viscose filament yarn and the short silk that contain bamboo charcoal. The present invention is owing to having added bamboo charcoal micro-in viscose gluePowder, thereby there is place to go peculiar smell with existing viscose rayon ratio, distribute the remarkable effect of simple and elegant delicate fragrance, antibacterial and bacteriostatic health-care effectReally.
It is CN1807711 that State Intellectual Property Office discloses a publication number in 2006.7.26, and name is called " bamboo charcoalFiber and manufacture method thereof " patent of invention, this patent discloses bamboo-carbon viscose fibre and manufacture method thereof. This bamboo charcoal fibreDimension, contains bamboo charcoal micropowder and bamboo vinegar. The manufacture method of this bamboo-carbon viscose fibre, comprises glue operation and spinning process, its systemIn glue process, carry out the preparation of viscose solution and carry out the preparation of bamboo charcoal micropowder emulsion. The preparation of bamboo charcoal micropowder emulsion beIn deionized water, add after dispersant and bamboo charcoal micropowder, stir until obtain finely dispersed bamboo charcoal micropowder emulsion, in spinning workIn order, viscose solution is mixed with described bamboo charcoal micropowder emulsion, then deliver to spinning-drawing machine and make fiber. Therefore the present invention is with existingHave technology to compare, turn kind conveniently, the bamboo-carbon viscose fibre quality making is better, and performance is more stable.
It is CN101709512A that State Intellectual Property Office discloses a publication number in 2010.5.19, and name is called " a kind of highWhiteness bamboo-charcoal viscose fiber and manufacture method thereof " patent of invention, a kind of high-whiteness bamboo-charcoal viscose fiber that this patent providesManufacture method, comprising: to taking bamboo chemical fibres pulp as main raw material floods, squeezing, pulverizing, experienced, yellow, dissolving,Deaeration, filtration, spinning, post processing and baking operation add Nai Nabai magma material in process, described Nai Nabai magma materialThe percentage by weight that accounts for alpha cellulose is 0.5% ~ 10%. The present invention adds Nai Nabai in the manufacture process of bamboo-carbon viscose fibreMagma material, produces high-whiteness bamboo-charcoal viscose fiber, no longer only has black or grey as existing bamboo-carbon viscose fibre, but hasHigher whiteness, whiteness >=60%, can adopt multiple dyestuff to dye, and has bacteria resistance, far infrared transmission meritEnergy, negative oxygen ion function, have wider application.
In above-mentioned three prior aries, all mention bamboo-carbon viscose fibre and preparation method thereof, the preparation method of bamboo charcoal slurry,Also mentioned the advantage that bamboo-carbon viscose fibre brings. In active carbon, except bamboo charcoal, also have other natural activity charcoals, as fiber cropsBar charcoal, fruit shell carbon etc.
The raw material of hemp stalk charcoal are taken from bluish dogbane, and through high temperature anaerobic, charing forms. Hemp stalk charcoal purposes is quite extensive. MainlyFor war industry's fuse cord, rubber, plastics, environmental protection, brewage, fireworks, firecracker, pharmaceutical sector etc. Product micropore is many, carbon content is high, matterMeasure good.
Fruit shell carbon is black particle shape active fruit shell carbon, and it is former selecting the shells such as high-quality apricot shell, peach shell, walnut shell, jujube shellMaterial, active carbon adopts the techniques such as charing, activation, superheated vapor catalysis to refine and forms, and outward appearance is black indefinite form particle, through seriesA kind of active carbon that production technology processes. Have that scuff resistance is good, space is flourishing, absorption property is high, intensity is high, easily againThe advantages such as life, economy and durability, are widely used in life, industry, liquid phase adsorption, purification of water quality, Gas Phase Adsorption. Be specially adapted to electricityIn factory, petrochemical industry, oil plant, printing and dyeing textile, food and drink, medicinal water, electronics high purity water, Drinking Water, industry, water returnsWith etc. industry. The more effectively free chlorine in adsorbed water, phenol, sulphur, oil, colloid, pesticide residue and other organic pollutions, more thanChlorine, half dechlorination value, and the recovery of organic solvent etc.
In prior art, there is no the compounded viscose rayon of polytype charcoal, only contain a kind of viscose rayon function of charcoalSingle. And the charcoal that various charcoals are made slurry cannot mix well, and charcoal slurry skewness in viscose glue, can affect like thisTo the spinnability in spinning technique, the oven dry in later stage refining, washing, also can affect the dyeing of later stage fiber.
Summary of the invention
The present invention is intended to solve does not have the compound viscose rayon product making of multiple charcoal in prior art, and multiple charcoal is madeCharcoal starch the problem that cannot mix, a kind of bamboo charcoal, waste of flax charcoal and fruit shell carbon composite viscose fiber are provided, can reduce productionCost, meets special product function demand, and various charcoal slurry can mate mutually, mixes, and makes bamboo with viscose glue is compoundCharcoal, hemp stalk charcoal and fruit shell carbon composite viscose fiber.
In order to realize foregoing invention object, its concrete technical scheme is as follows:
A kind of bamboo charcoal, waste of flax charcoal and fruit shell carbon composite viscose fiber, is characterized in that: taking cellulose fibre pulp as formerMaterial, is made into viscose glue, then adopts and spin front injection bamboo charcoal slurry, waste of flax charcoal slurry and fruit shell carbon slurry are injected into viscose glue, by static stateBlender mixes, and then carries out wet spinning and post processing and obtains finished product;
Described finished product comprises following according to the raw material of parts by weight meter:
Bamboo charcoal slurry 0.1-10 part
Waste of flax charcoal slurry 0.1-5 part
Fruit shell carbon slurry 0.1-5 part
Viscose glue 80-99.7 part;
Described bamboo charcoal slurry is containing alkali 4-9%, and viscosity is 40-50 milli pascal second;
Described waste of flax charcoal slurry is containing alkali 4-15%, and viscosity is 30-50 milli pascal second;
Described fruit shell carbon slurry is containing alkali 4-11%, and viscosity is 33-50 milli pascal second;
Described bamboo charcoal, waste of flax charcoal and fruit shell carbon composite viscose fiber finished product index are:
Gas permeability >=500mm/s
The adsorptivity of charcoal is ammonia absorptivity >=50%
Water-fastness color fastness is 4-5 level
Total carbon content is 0.1-20%.
Bamboo charcoal of the present invention, hemp stalk charcoal and fruit shell carbon composite viscose fiber are that bamboo charcoal, hemp stalk charcoal and fruit shell carbon are compoundViscose filament yarn, dry is 1.6-2.5cN/dtex by force, dry stretching for 16-22%, dry variation≤8% of stretching.
Bamboo charcoal of the present invention, hemp stalk charcoal and fruit shell carbon composite viscose fiber are that bamboo charcoal, hemp stalk charcoal and fruit shell carbon are compoundViscose staple fibre, dry is 2.2-3.5cN/dtex by force, dry stretching for 16-20%, dry strong variation≤18%, fault≤4mg/100g.
The viscosity of viscose glue of the present invention is that 30-60 milli pascal second, methylcellulose content are 8-9.5%, alkalinityFor 4-6%, degree of ripeness are 7-12 milliliter.
Bamboo charcoal slurry of the present invention comprises following according to the raw material of parts by weight meter:
Bamboo charcoal powder 5-10 part
Dispersant 1-2 part
Thickener 1-5 part
NaOH 4-8 part
Solvent 75-89 part.
The granularity of above-mentioned bamboo charcoal powder is particle diameter≤0.8um.
Above-mentioned bamboo charcoal slurry is made up of following methods: in solvent, add dispersant, bamboo charcoal powder, thickener and NaOHAfter, through stirring, grinding evenly and get final product, described grinding with zirconium ball containing zirconia amount >=95%, the simultaneous grinding frequency >=8 time.
Waste of flax charcoal slurry of the present invention comprises following according to the raw material of parts by weight meter:
Waste of flax powdered carbon 10-50 part
Dispersant 1-2 part
Thickener 1-5 part
NaOH 4-8 part
Solvent 35-84 part.
The granularity of above-mentioned waste of flax powdered carbon is particle diameter≤0.8um.
Above-mentioned waste of flax charcoal slurry is made up of following methods: in solvent, add dispersant, waste of flax powdered carbon, thickener and hydroxideAfter sodium, through stirring, grinding evenly and get final product, described grinding with zirconium ball containing zirconia amount >=95%, the simultaneous grinding frequency >=8 time.
Fruit shell carbon slurry of the present invention comprises following according to the raw material of parts by weight meter:
Shell powdered carbon 10-50 part
Dispersant 1-2 part
Thickener 1-5 part
NaOH 4-8 part
Solvent 35-84 part.
The granularity of above-mentioned shell powdered carbon is particle diameter≤0.8um.
Above-mentioned fruit shell carbon slurry is made up of following methods: in solvent, add dispersant, shell powdered carbon, thickener and hydroxideAfter sodium, through stirring, grinding evenly and get final product, described grinding with zirconium ball containing zirconia amount >=95%, the simultaneous grinding frequency >=8 time.
Dispersant of the present invention is still dispersant polyacrylic acid sodium salt.
Thickener of the present invention is cellulose thickener.
Solvent of the present invention is deionized water.
The useful technique effect that the present invention brings:
1, bamboo charcoal of the present invention, waste of flax charcoal and fruit shell carbon composite viscose fiber are starched by bamboo charcoal slurry, waste of flax charcoal slurry and fruit shell carbonEvenly mix rear spinning with viscose glue and form, the adsorptivity of its finished product gas permeability >=500mm/s, carbon is ammonia absorptivity >=50%, water-fastWashing color fastness is that 4-5 level, total carbon content are 0.2-15%. The activated carbon composite viscose rayon that the present invention makes not only has bamboo charcoal fibreThe advantage of dimension, also has advantages of other kind charcoals that add, and has adopted addition ratio of the present invention just because of raw material, withAnd the alkali content of various charcoal slurries and the selection of viscosity, various charcoals are starched can be compound with viscose glue well, makes activated carbon composite stickyGlue fiber, can not affect each other thereby make various charcoals starch the functional advantage of bringing, and can keep bamboo-carbon fibre advantage on the contraryTime, bring functional advantage and other charcoals of other charcoal slurries to starch the functional advantage of being combined with bamboo charcoal:
Basic functionality advantage:
1) soft and smooth soft warm, there is unit fineness thin, soft; Whiteness is good, color is beautiful; Toughness and wearability are strong, haveUnique resilience; There is stronger vertical and horizontal intensity, and stable uniform, drapability is good; The soft smooth body of not pricking, than cotton alsoSoft, there is distinctive velvet sense.
2) moisture absorption is ventilative, and cool in summer and warm in winter, cross section has been covered with big and small oval-shaped hole, can transient absorption steamingThe moisture of sending out a large amount of, can get rid of unnecessary hot gas and moisture content in body, does not get angry, and does not send out dry.
3) have significant bacteria resistance function, good with the compatibility of human body skin, warmth retention property is good, and taking is good, has goodHealth properties, environmental protection, uvioresistant.
4) superpower absorption affinity, the harmful substances such as PARA FORMALDEHYDE PRILLS(91,95), benzene, toluene, ammonia and dust can bring into play absorption, decompose peculiar smell andThe effect of smelly eliminating.
5) emitting far-infrared, heat accumulation thermal: far infrared emissivity is up to 0.87, can heat accumulation thermal, temperature rise speed ratioCommon cotton fabric is fast, and damping reaches the effect dehumidifying with dry, has high equilibrium moisture regain and water retention, and anion emission is denseSpend highly, be of value to healthy, content of mineral substances is high, has special health care.
Further, the present invention adopts waste of flax charcoal, fruit shell carbon and bamboo charcoal compound, and it has brought following advantage:
1) the present invention owing to having added hemp stalk charcoal on the basis of bamboo charcoal, and the carbonaceous pore of hemp stalk charcoal can be effectively to inhaling skyGas and in various suspended solids, to the harmful chemicals such as sulfide, hydride, methyl alcohol, benzene, phenol play absorptions, decomposition peculiar smellWith smelly eliminating effect, deodoriging properties is improved.
2) the present invention is owing to adding waste of flax charcoal on the basis of bamboo charcoal, because the special quality of hemp stalk charcoal can strengthen fibreThe sense of touch of dimension, can add softness.
3) bamboo charcoal of the present invention, hemp stalk charcoal and fruit shell carbon viscose rayon have that scuff resistance is good, space is flourishing, absorption propertyThe advantage of height, high, the easy regeneration of intensity, economy and durability.
4) due to the decoloration performance excellence of fruit shell carbon, so that the activated carbon composite viscose rayon of making is difficult for catching is variegated, whitenessHigher, color and luster is purer.
5) owing to adding fruit shell carbon on the basis of bamboo charcoal, so its activated carbon composite viscose rayon of making can also be used for foodFresh-keeping.
Further, the present invention is owing to adopting the compound viscose rayon of making of multiple charcoal slurry, so have the following advantages:
1) multiple charcoal of the present invention is starched compound viscose rayon and is had more flourishing specific area and narrower pore-size distributionMake it there is adsorption/desorption speed and larger adsorption capacity faster. The structure of viscose rayon of the present invention has flourishing ratioSurface area, the absorption micropore of abundant and marshalling, therefore its adsorptivity is very strong.
2) activated carbon composite viscose rayon adsorbance of the present invention is large, and adsorption rate is fast, and easily, desorption rate is fast, heat-resisting in regenerationProperty is good, acidproof, alkaline-resisting, has good electric conductivity and chemical stability, and ash is few, good moldability, be easily processed into felt, silk,The form such as cloth, paper.
3) viscose rayon of the present invention not only can be used as the raw material of clothing, also can be used as industrial absorption, separationMaterial, contains abundant organo-functional group, has good redox characteristic, to the organic substance in gas phase and liquid phase and nothingMachine impurity all has good suction-operated. And there is good desorption and regeneration performance, reusable. Intensity is high, consumes less toolThere is good filling, the adaptability of winding performance and equipment. Under vibration, can not produce filling becomes flexible and excessive closely knit phenomenon.
4) application is extensive:
Air cleaning: with this material making air cleaner, can the airborne O of adsorption filtration3、SO2、NO2And stench, poisonThe pernicious gas such as gas, flue gas, can be used for room, other contaminated indoor air purification of kitchen tools.
Purification of water quality: can remove organic matter and heavy metal ion and fustiness smell, bacterium and the decolouring for water in water,For the life of water purification for industry, decoloration process and the pure water such as the industry of drinking water, beverage, beer, medicine sugaring, direct drinkingIn product equipment.
Sewage disposal: can be used for administering the dirt that the pollution sources such as chemical industry, plating, metallurgy, printing and dyeing, process hides, medicine life produceWater, removes organic substance, bacterium and organic dyestuff in water. Especially locating containing poisonous, the harmful waste water of high volence metal ionReason.
Organic solvent reclaims: the organic solvent to types such as benzene, ketone, fat, alcohol all can adsorb recovery. Can be used for glue sprayPaint, the retracting device of cinefilm equal solvent, in triphen purification recovery device and administer waste gas, in the environment-friendly engineering of sewage.
The healthy prevention: make breathing mask with active carbon fiber felt, gas defence anti-dust respirator, protective clothing can have poisonous gasAbsorption preferably hides worn-out effect. This material is also suitable for use in sealing and the partition in radioactivity place, the works such as the screen screening of radiation deviceCheng Zhong.
Medical usage: owing to thering is chemical stability, heat endurance and irradiation stability, thereby use various sterilization methodsWhile carrying out disinfection, do not have any variation. The heterotoxin of viscose rayon of the present invention to human body and the absorption of endogenous toxinAll very effective, aspect blood filtration, removing toxic substances for oral administration, wound wrapping and treatment, there iing important use.
2, the selection of the various charcoals of product of the present invention slurry index parameter solved in prior art cannot be fine will be not of the same raceClass charcoal is starched the problem mixing, and can evenly mix by static mixer, and make viscosity, the alkalinity of charcoal slurry and viscose glueMatch, make it to there is compatibility with viscose glue, do not destroy, affect the stability of viscose glue, can make the charcoal slurry mixing evenly divideCloth, to viscose glue, can ensure that the standard profile of charcoal in viscose glue is to be not less than one thousandth in per unit milliliter viscose glue, thisSample has improved the spinnability in spinning process, and can not affect bleaching, desulfurization, oven dry and washing in post-processed, after makingTreatment process can be carried out smoothly, in the time that fiber is dyeed, also can ensure uniformity and the color fastness of dyeing.
3, the present invention, by compound different types of active carbon, makes multiple charcoal composite viscose fiber, like this can be according to formerThe price of material and the demand of finished product combine, and can either reduce production costs, and can meet again different functional requirements.
4, the viscosity of viscose glue of the present invention is that 30-50 milli pascal second, methylcellulose content are that 8-9.5%, alkalinity are4-15%, degree of ripeness are 7-12 milliliter. The parameter of above-mentioned viscose glue selects further to make various charcoal slurries can be distributed in better viscose glueIn.
5, in the raw material of various charcoal slurries of the present invention, the thickener and the alkali that in prior art, do not have have been increased, objectBe viscosity and the alkalinity that increases charcoal slurry, make it to match with viscosity and the alkalinity of viscose glue, there is compatibility with viscose glue, not brokenBad, to affect viscose glue stability, has ensured the spinnability of activated carbon composite fiber.
6, the various charcoal slurry of the present invention preparation raw material is selected still dispersant polyacrylic acid sodium salt, contributes to various powdered carbons at waterIn be uniformly dispersed, and free settling not; Meanwhile, solution liquid, without bubble, does not affect the spinnability of fiber, is bamboo-carbon fibre spinnabilityFurther ensure; Equally, it is also the spinnability in order to ensure not destroy fiber that thickener is selected cellulose thickener, celluloseClass thickener is realized the raising of viscosity by the winding of strand, show as in static and low shearing and have high viscosity, in high shearBe down low viscosity, be of value to like this mixing of various charcoal slurries, thereby also just improved the spinnability of later stage fiber.
7, the particle diameter≤0.8 μ m of the powdered carbon in the various charcoal slurries of the present invention, obviously strengthens its adsorption function.
8, production technology of the present invention, adopts and spins front injection, and then charcoal slurry fully mixes by static mixer with viscose glueDirectly be sent to afterwards the spinning of spinning board, after mixing, increase again storage tank and filter plant, the dead time in the middle of reducing, avoid mixedClose liquid and change, and greatly reduced in daily production process, tear filter open, the wave of viscose glue, charcoal slurry while rushing jar and pipelineTake, reduced the expense of environmental wastewater improvement and the pollution of environment simultaneously.
Detailed description of the invention
Embodiment 1
A kind of bamboo charcoal, waste of flax charcoal and fruit shell carbon composite viscose fiber, taking cellulose fibre pulp as raw material, be made into stickyGlue, then adopt and spin front injection bamboo charcoal slurry, waste of flax charcoal slurry and fruit shell carbon slurry are injected into viscose glue, mix by static mixer, soAfter carry out wet spinning and post processing obtains finished product;
Described finished product comprises following according to the raw material of parts by weight meter:
0.1 part, bamboo charcoal slurry
0.1 part, waste of flax charcoal slurry
0.1 part, fruit shell carbon slurry
80 parts of viscose glues;
Described bamboo charcoal slurry is containing alkali 4%, and viscosity is 50 milli pascal seconds;
Described waste of flax charcoal slurry is containing alkali 4%, and viscosity is 50 milli pascal seconds;
Described fruit shell carbon slurry is containing alkali 4%, and viscosity is 50 milli pascal seconds;
Described bamboo charcoal, waste of flax charcoal and fruit shell carbon composite viscose fiber finished product index are:
Gas permeability >=500mm/s
The adsorptivity of charcoal is ammonia absorptivity >=50%
Water-fastness color fastness is 4 grades
Total carbon content is 0.1%.
Embodiment 2
A kind of bamboo charcoal, waste of flax charcoal and fruit shell carbon composite viscose fiber, taking cellulose fibre pulp as raw material, be made into stickyGlue, then adopt and spin front injection bamboo charcoal slurry, waste of flax charcoal slurry and fruit shell carbon slurry are injected into viscose glue, mix by static mixer, soAfter carry out wet spinning and post processing obtains finished product;
Described finished product comprises following according to the raw material of parts by weight meter:
10 parts, bamboo charcoal slurry
5 parts, waste of flax charcoal slurry
5 parts, fruit shell carbon slurry
99.7 parts of viscose glues;
Described bamboo charcoal slurry is containing alkali 9%, and viscosity is 40 milli pascal seconds;
Described waste of flax charcoal slurry is containing alkali 15%, and viscosity is 30 milli pascal seconds;
Described fruit shell carbon slurry is containing alkali 11%, and viscosity is 33 milli pascal seconds;
Described bamboo charcoal, waste of flax charcoal and fruit shell carbon composite viscose fiber finished product index are:
Gas permeability >=500mm/s
The adsorptivity of charcoal is ammonia absorptivity >=50%
Water-fastness color fastness is 5 grades
Total carbon content is 20%.
Embodiment 3
A kind of bamboo charcoal, waste of flax charcoal and fruit shell carbon composite viscose fiber, taking cellulose fibre pulp as raw material, be made into stickyGlue, then adopt and spin front injection bamboo charcoal slurry, waste of flax charcoal slurry and fruit shell carbon slurry are injected into viscose glue, mix by static mixer, soAfter carry out wet spinning and post processing obtains finished product;
Described finished product comprises following according to the raw material of parts by weight meter:
5 parts, bamboo charcoal slurry
2.5 parts, waste of flax charcoal slurry
2.6 parts, fruit shell carbon slurry
90 parts of viscose glues;
Described bamboo charcoal slurry is containing alkali 6.5%, and viscosity is 45 milli pascal seconds;
Described waste of flax charcoal slurry is containing alkali 9.5%, and viscosity is 40 milli pascal seconds;
Described fruit shell carbon slurry is containing alkali 7.5%, and viscosity is 42 milli pascal seconds;
Described bamboo charcoal, waste of flax charcoal and fruit shell carbon composite viscose fiber finished product index are:
Gas permeability >=500mm/s
The adsorptivity of charcoal is ammonia absorptivity >=50%
Water-fastness color fastness is 4 grades
Total carbon content is 10%.
Embodiment 4
A kind of bamboo charcoal, waste of flax charcoal and fruit shell carbon composite viscose fiber, taking cellulose fibre pulp as raw material, be made into stickyGlue, then adopt and spin front injection bamboo charcoal slurry, waste of flax charcoal slurry and fruit shell carbon slurry are injected into viscose glue, mix by static mixer, soAfter carry out wet spinning and post processing obtains finished product;
Described finished product comprises following according to the raw material of parts by weight meter:
9 parts, bamboo charcoal slurry
1.6 parts, waste of flax charcoal slurry
4.2 parts, fruit shell carbon slurry
85 parts of viscose glues;
Described bamboo charcoal slurry is containing alkali 8%, and viscosity is 42 milli pascal seconds;
Described waste of flax charcoal slurry is containing alkali 7%, and viscosity is 47 milli pascal seconds;
Described fruit shell carbon slurry is containing alkali 5%, and viscosity is 45 milli pascal seconds;
Described bamboo charcoal, waste of flax charcoal and fruit shell carbon composite viscose fiber finished product index are:
Gas permeability >=500mm/s
The adsorptivity of charcoal is ammonia absorptivity >=50%
Water-fastness color fastness is 5 grades
Total carbon content is 15%.
Embodiment 5
On the basis of embodiment 1-4, preferred:
Described bamboo charcoal, hemp stalk charcoal and fruit shell carbon composite viscose fiber is that bamboo charcoal, hemp stalk charcoal and the compound viscose glue of fruit shell carbon are longSilk, dry is 1.6cN/dtex by force, dry stretching is 16%, dry variation≤8% of stretching.
Described bamboo charcoal, hemp stalk charcoal and fruit shell carbon composite viscose fiber is that bamboo charcoal, hemp stalk charcoal and the compound viscose glue of fruit shell carbon are shortFiber, dry is 2.2cN/dtex by force, dry stretching is 16%, dry strong variation≤18%, fault≤4mg/100g.
The viscosity of described viscose glue is that 30 milli pascal seconds, methylcellulose content are 8%, alkalinity is 15%, degree of ripeness is7 milliliters.
Embodiment 6
On the basis of embodiment 1-4, preferred:
Described bamboo charcoal, hemp stalk charcoal and fruit shell carbon composite viscose fiber is that bamboo charcoal, hemp stalk charcoal and the compound viscose glue of fruit shell carbon are longSilk, dry is 2.5cN/dtex by force, dry stretching is 22%, dry variation≤8% of stretching.
Described bamboo charcoal, hemp stalk charcoal and fruit shell carbon composite viscose fiber is that bamboo charcoal, hemp stalk charcoal and the compound viscose glue of fruit shell carbon are shortFiber, dry is 3.5cN/dtex by force, dry stretching is 20%, dry strong variation≤18%, fault≤4mg/100g.
The viscosity of described viscose glue is that 50 milli pascal seconds, methylcellulose content are 9.5%, alkalinity is 4%, degree of ripenessIt is 12 milliliters.
Embodiment 7
On the basis of embodiment 1-4, preferred:
Described bamboo charcoal, hemp stalk charcoal and fruit shell carbon composite viscose fiber is that bamboo charcoal, hemp stalk charcoal and the compound viscose glue of fruit shell carbon are longSilk, dry is 2.1cN/dtex by force, dry stretching is 19%, dry variation≤8% of stretching.
Described bamboo charcoal, hemp stalk charcoal and fruit shell carbon composite viscose fiber is that bamboo charcoal, hemp stalk charcoal and the compound viscose glue of fruit shell carbon are shortFiber, dry is 2.85cN/dtex by force, dry stretching is 18%, dry strong variation≤18%, fault≤4mg/100g.
The viscosity of described viscose glue is that 40 milli pascal seconds, methylcellulose content are 8.75%, alkalinity is 9.5%, maturationDegree is 9.5 milliliters.
Embodiment 8
On the basis of embodiment 1-4, preferred:
Described bamboo charcoal, hemp stalk charcoal and fruit shell carbon composite viscose fiber is that bamboo charcoal, hemp stalk charcoal and the compound viscose glue of fruit shell carbon are longSilk, dry is 1.8cN/dtex by force, dry stretching is 20%, dry variation≤8% of stretching.
Described bamboo charcoal, hemp stalk charcoal and fruit shell carbon composite viscose fiber is that bamboo charcoal, hemp stalk charcoal and the compound viscose glue of fruit shell carbon are shortFiber, dry is 3.2cN/dtex by force, dry stretching is 17%, dry strong variation≤18%, fault≤4mg/100g.
The viscosity of described viscose glue is that 48 milli pascal seconds, methylcellulose content are 9.25%, alkalinity is 5%, degree of ripenessIt is 11 milliliters.
Embodiment 9
A kind of bamboo charcoal, waste of flax charcoal and fruit shell carbon composite viscose fiber, described bamboo charcoal slurry comprises following according to parts by weightThe raw material of meter:
5 parts of bamboo charcoal powder
1 part of dispersant
1 part of thickener
4 parts, NaOH
75 parts of solvents.
Preferably, the granularity of described bamboo charcoal powder is particle diameter≤0.8um.
Preferably, described bamboo charcoal slurry is made up of following methods: in solvent, add dispersant, bamboo charcoal powder, thickener andAfter NaOH, through stirring, grinding evenly and get final product, described grinding with zirconium ball containing zirconia amount >=95%, the simultaneous grinding frequency >=8 times.
Preferably, described dispersant is still dispersant polyacrylic acid sodium salt.
Preferably, described thickener is cellulose thickener.
Preferably, described solvent is deionized water.
Embodiment 10
A kind of bamboo charcoal, waste of flax charcoal and fruit shell carbon composite viscose fiber, described bamboo charcoal slurry comprises following according to parts by weightThe raw material of meter:
10 parts of bamboo charcoal powder
2 parts of dispersants
5 parts of thickeners
8 parts, NaOH
89 parts of solvents.
Preferably, the granularity of described bamboo charcoal powder is particle diameter≤0.8um.
Preferably, described bamboo charcoal slurry is made up of following methods: in solvent, add dispersant, bamboo charcoal powder, thickener andAfter NaOH, through stirring, grinding evenly and get final product, described grinding with zirconium ball containing zirconia amount >=95%, the simultaneous grinding frequency >=8 times.
Preferably, described dispersant is still dispersant polyacrylic acid sodium salt.
Preferably, described thickener is cellulose thickener.
Preferably, described solvent is deionized water.
Embodiment 11
A kind of bamboo charcoal, waste of flax charcoal and fruit shell carbon composite viscose fiber, described bamboo charcoal slurry comprises following according to parts by weightThe raw material of meter:
7.5 parts of bamboo charcoal powder
1.5 parts of dispersants
3 parts of thickeners
6 parts, NaOH
82 parts of solvents.
Preferably, the granularity of described bamboo charcoal powder is particle diameter≤0.8um.
Preferably, described bamboo charcoal slurry is made up of following methods: in solvent, add dispersant, bamboo charcoal powder, thickener andAfter NaOH, through stirring, grinding evenly and get final product, described grinding with zirconium ball containing zirconia amount >=95%, the simultaneous grinding frequency >=8 times.
Preferably, described dispersant is still dispersant polyacrylic acid sodium salt.
Preferably, described thickener is cellulose thickener.
Preferably, described solvent is deionized water.
Embodiment 12
A kind of bamboo charcoal, waste of flax charcoal and fruit shell carbon composite viscose fiber, described bamboo charcoal slurry comprises following according to parts by weightThe raw material of meter:
9 parts of bamboo charcoal powder
1.1 parts of dispersants
2 parts of thickeners
7 parts, NaOH
80 parts of solvents.
Preferably, the granularity of described bamboo charcoal powder is particle diameter≤0.8um.
Preferably, described bamboo charcoal slurry is made up of following methods: in solvent, add dispersant, bamboo charcoal powder, thickener andAfter NaOH, through stirring, grinding evenly and get final product, described grinding with zirconium ball containing zirconia amount >=95%, the simultaneous grinding frequency >=8 times.
Preferably, described dispersant is still dispersant polyacrylic acid sodium salt.
Preferably, described thickener is cellulose thickener.
Preferably, described solvent is deionized water.
Embodiment 13
A kind of bamboo charcoal, waste of flax charcoal and fruit shell carbon composite viscose fiber, described waste of flax charcoal slurry comprises following according to weight portionThe raw material of number meter:
10 parts of waste of flax powdered carbons
1 part of dispersant
1 part of thickener
4 parts, NaOH
35 parts of solvents.
Preferably, the granularity of described waste of flax powdered carbon is particle diameter≤0.8um.
Preferably, described waste of flax charcoal slurry is made up of following methods: in solvent, add dispersant, waste of flax powdered carbon, thickeningAfter agent and NaOH, through stirring, grinding evenly and get final product, described grinding with zirconium ball containing zirconia amount >=95%, simultaneous grinding is frequentlyInferior >=8 time.
Preferably, described dispersant is still dispersant polyacrylic acid sodium salt.
Preferably, described thickener is cellulose thickener.
Preferably, described solvent is deionized water.
Embodiment 14
A kind of bamboo charcoal, waste of flax charcoal and fruit shell carbon composite viscose fiber, described waste of flax charcoal slurry comprises following according to weight portionThe raw material of number meter:
50 parts of waste of flax powdered carbons
2 parts of dispersants
5 parts of thickeners
8 parts, NaOH
84 parts of solvents.
Preferably, the granularity of described waste of flax powdered carbon is particle diameter≤0.8um.
Preferably, described waste of flax charcoal slurry is made up of following methods: in solvent, add dispersant, waste of flax powdered carbon, thickeningAfter agent and NaOH, through stirring, grinding evenly and get final product, described grinding with zirconium ball containing zirconia amount >=95%, simultaneous grinding is frequentlyInferior >=8 time.
Preferably, described dispersant is still dispersant polyacrylic acid sodium salt.
Preferably, described thickener is cellulose thickener.
Preferably, described solvent is deionized water.
Embodiment 15
A kind of bamboo charcoal, waste of flax charcoal and fruit shell carbon composite viscose fiber, described waste of flax charcoal slurry comprises following according to weight portionThe raw material of number meter:
30 parts of waste of flax powdered carbons
1.5 parts of dispersants
3 parts of thickeners
6 parts, NaOH
60 parts of solvents.
Preferably, the granularity of described waste of flax powdered carbon is particle diameter≤0.8um.
Preferably, described waste of flax charcoal slurry is made up of following methods: in solvent, add dispersant, waste of flax powdered carbon, thickeningAfter agent and NaOH, through stirring, grinding evenly and get final product, described grinding with zirconium ball containing zirconia amount >=95%, simultaneous grinding is frequentlyInferior >=8 time.
Preferably, described dispersant is still dispersant polyacrylic acid sodium salt.
Preferably, described thickener is cellulose thickener.
Preferably, described solvent is deionized water.
Embodiment 16
A kind of bamboo charcoal, waste of flax charcoal and fruit shell carbon composite viscose fiber, described waste of flax charcoal slurry comprises following according to weight portionThe raw material of number meter:
46 parts of waste of flax powdered carbons
1.9 parts of dispersants
4.5 parts of thickeners
4.3 parts, NaOH
57 parts of solvents.
Preferably, the granularity of described waste of flax powdered carbon is particle diameter≤0.8um.
Preferably, described waste of flax charcoal slurry is made up of following methods: in solvent, add dispersant, waste of flax powdered carbon, thickeningAfter agent and NaOH, through stirring, grinding evenly and get final product, described grinding with zirconium ball containing zirconia amount >=95%, simultaneous grinding is frequentlyInferior >=8 time.
Preferably, described dispersant is still dispersant polyacrylic acid sodium salt.
Preferably, described thickener is cellulose thickener.
Preferably, described solvent is deionized water.
Embodiment 17
A kind of bamboo charcoal, waste of flax charcoal and fruit shell carbon composite viscose fiber, described fruit shell carbon slurry comprises following according to weight portionThe raw material of number meter:
10 parts of shell powdered carbons
1 part of dispersant
1 part of thickener
4 parts, NaOH
35 parts of solvents.
Preferably, the granularity of described shell powdered carbon is particle diameter≤0.8um.
Preferably, described fruit shell carbon slurry is made up of following methods: in solvent, add dispersant, shell powdered carbon, thickeningAfter agent and NaOH, through stirring, grinding evenly and get final product, described grinding with zirconium ball containing zirconia amount >=95%, simultaneous grinding is frequentlyInferior >=8 time.
Preferably, described dispersant is still dispersant polyacrylic acid sodium salt.
Preferably, described thickener is cellulose thickener.
Preferably, described solvent is deionized water.
Embodiment 18
A kind of bamboo charcoal, waste of flax charcoal and fruit shell carbon composite viscose fiber, described fruit shell carbon slurry comprises following according to weight portionThe raw material of number meter:
50 parts of shell powdered carbons
2 parts of dispersants
5 parts of thickeners
8 parts, NaOH
84 parts of solvents.
Preferably, the granularity of described shell powdered carbon is particle diameter≤0.8um.
Preferably, described fruit shell carbon slurry is made up of following methods: in solvent, add dispersant, shell powdered carbon, thickeningAfter agent and NaOH, through stirring, grinding evenly and get final product, described grinding with zirconium ball containing zirconia amount >=95%, simultaneous grinding is frequentlyInferior >=8 time.
Preferably, described dispersant is still dispersant polyacrylic acid sodium salt.
Preferably, described thickener is cellulose thickener.
Preferably, described solvent is deionized water.
Embodiment 19
A kind of bamboo charcoal, waste of flax charcoal and fruit shell carbon composite viscose fiber, described fruit shell carbon slurry comprises following according to weight portionThe raw material of number meter:
30 parts of shell powdered carbons
1.5 parts of dispersants
3 parts of thickeners
6 parts, NaOH
60 parts of solvents.
Preferably, the granularity of described shell powdered carbon is particle diameter≤0.8um.
Preferably, described fruit shell carbon slurry is made up of following methods: in solvent, add dispersant, shell powdered carbon, thickeningAfter agent and NaOH, through stirring, grinding evenly and get final product, described grinding with zirconium ball containing zirconia amount >=95%, simultaneous grinding is frequentlyInferior >=8 time.
Preferably, described dispersant is still dispersant polyacrylic acid sodium salt.
Preferably, described thickener is cellulose thickener.
Preferably, described solvent is deionized water.
Embodiment 20
A kind of bamboo charcoal, waste of flax charcoal and fruit shell carbon composite viscose fiber, described fruit shell carbon slurry comprises following according to weight portionThe raw material of number meter:
15 parts of shell powdered carbons
1.2 parts of dispersants
1.9 parts of thickeners
4.6 parts, NaOH
80 parts of solvents.
Preferably, the granularity of described shell powdered carbon is particle diameter≤0.8um.
Preferably, described fruit shell carbon slurry is made up of following methods: in solvent, add dispersant, shell powdered carbon, thickeningAfter agent and NaOH, through stirring, grinding evenly and get final product, described grinding with zirconium ball containing zirconia amount >=95%, simultaneous grinding is frequentlyInferior >=8 time.
Preferably, described dispersant is still dispersant polyacrylic acid sodium salt.
Preferably, described thickener is cellulose thickener.
Preferably, described solvent is deionized water.
Claims (12)
1. bamboo charcoal, waste of flax charcoal and a fruit shell carbon composite viscose fiber, is characterized in that: taking cellulose fibre pulp as raw material,Be made into viscose glue, then adopt and spin front injection bamboo charcoal slurry, waste of flax charcoal slurry and fruit shell carbon slurry are injected into viscose glue, pass through static mixingDevice mixes, and then carries out wet spinning and post processing and obtains finished product;
Described finished product comprises following according to the raw material of parts by weight meter:
Bamboo charcoal slurry 0.1-10 part
Waste of flax charcoal slurry 0.1-5 part
Fruit shell carbon slurry 0.1-5 part
Viscose glue 80-99.7 part;
Described bamboo charcoal slurry comprises following according to the raw material of parts by weight meter:
Bamboo charcoal powder 5-10 part
Dispersant 1-2 part
Thickener 1-5 part
NaOH 4-8 part
Solvent 75-89 part;
Described waste of flax charcoal slurry comprises following according to the raw material of parts by weight meter:
Waste of flax powdered carbon 10-50 part
Dispersant 1-2 part
Thickener 1-5 part
NaOH 4-8 part
Solvent 35-84 part;
Described fruit shell carbon slurry comprises following according to the raw material of parts by weight meter:
Shell powdered carbon 10-50 part
Dispersant 1-2 part
Thickener 1-5 part
NaOH 4-8 part
Solvent 35-84 part;
Described bamboo charcoal slurry is containing alkali 4-9%, and viscosity is 40-50 milli pascal second;
Described waste of flax charcoal slurry is containing alkali 4-15%, and viscosity is 30-50 milli pascal second;
Described fruit shell carbon slurry is containing alkali 4-11%, and viscosity is 33-50 milli pascal second;
The viscosity of described viscose glue is that 30-50 milli pascal second, methylcellulose content are that 8-9.5%, alkalinity are 4-15%, ripeCheng Du is 7-12 milliliter;
Described bamboo charcoal, waste of flax charcoal and fruit shell carbon composite viscose fiber finished product index are:
Gas permeability >=500mm/s
The adsorptivity of charcoal is ammonia absorptivity >=50%
Water-fastness color fastness is 4-5 level
Total carbon content is 0.1-20%.
2. a kind of bamboo charcoal according to claim 1, waste of flax charcoal and fruit shell carbon composite viscose fiber, is characterized in that: described inBamboo charcoal, waste of flax charcoal and fruit shell carbon composite viscose fiber be bamboo charcoal, waste of flax charcoal and fruit shell carbon composite viscose filament yarn, dry is 1.6-by force2.5cN/dtex, dry stretching for 16-22%, dry variation≤8% of stretching.
3. a kind of bamboo charcoal according to claim 1, waste of flax charcoal and fruit shell carbon composite viscose fiber, is characterized in that: described inBamboo charcoal, waste of flax charcoal and fruit shell carbon composite viscose fiber be bamboo charcoal, waste of flax charcoal and the compound viscose staple fibre of fruit shell carbon, dry be by force2.2-3.5cN/dtex, dry stretching for 16-20%, dry strong variation≤18%, fault≤4mg/100g.
4. a kind of bamboo charcoal according to claim 1, waste of flax charcoal and fruit shell carbon composite viscose fiber, is characterized in that: described inThe granularity of bamboo charcoal powder be particle diameter≤0.8um.
5. a kind of bamboo charcoal according to claim 1, waste of flax charcoal and fruit shell carbon composite viscose fiber, is characterized in that: described inBamboo charcoal slurry made by following methods: in solvent, add after dispersant, bamboo charcoal powder, thickener and NaOH, through stirring, grindingMill evenly and get final product, described grinding with zirconium ball containing zirconia amount >=95%, the simultaneous grinding frequency >=8 time.
6. a kind of bamboo charcoal according to claim 1, waste of flax charcoal and fruit shell carbon composite viscose fiber, is characterized in that: described inThe granularity of waste of flax powdered carbon be particle diameter≤0.8um.
7. a kind of bamboo charcoal according to claim 1, waste of flax charcoal and fruit shell carbon composite viscose fiber, is characterized in that: described inWaste of flax charcoal slurry made by following methods: in solvent, add after dispersant, waste of flax powdered carbon, thickener and NaOH, through stirringMix, grind evenly and get final product, described grinding with zirconium ball containing zirconia amount >=95%, the simultaneous grinding frequency >=8 time.
8. a kind of bamboo charcoal according to claim 1, waste of flax charcoal and fruit shell carbon composite viscose fiber, is characterized in that: described inThe granularity of shell powdered carbon be particle diameter≤0.8um.
9. a kind of bamboo charcoal according to claim 1, waste of flax charcoal and fruit shell carbon composite viscose fiber, is characterized in that: described inFruit shell carbon slurry made by following methods: in solvent, add after dispersant, shell powdered carbon, thickener and NaOH, through stirringMix, grind evenly and get final product, described grinding with zirconium ball containing zirconia amount >=95%, the simultaneous grinding frequency >=8 time.
10. a kind of bamboo charcoal according to claim 1, waste of flax charcoal and fruit shell carbon composite viscose fiber, is characterized in that: described inDispersant be still dispersant polyacrylic acid sodium salt.
11. a kind of bamboo charcoals according to claim 1, waste of flax charcoal and fruit shell carbon composite viscose fiber, is characterized in that: described inThickener be cellulose thickener.
12. a kind of bamboo charcoals according to claim 1, waste of flax charcoal and fruit shell carbon composite viscose fiber, is characterized in that: described inSolvent be deionized water.
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| CN1293243C (en) * | 2003-10-14 | 2007-01-03 | 新乡化纤股份有限公司 | Bamboo-charcoal viscose fiber and method for making same |
| CN1995499B (en) * | 2006-12-25 | 2010-05-12 | 宜宾丝丽雅股份有限公司 | Bamboo charcoal viscose filament making method |
| CN100558954C (en) * | 2007-06-14 | 2009-11-11 | 山东海龙股份有限公司 | The bamboo charcoal cellulose fiber manufacture method |
| CN101709512B (en) * | 2009-12-16 | 2012-05-23 | 河北吉藁化纤有限责任公司 | High-whiteness bamboo-charcoal viscose fiber and manufacturing method thereof |
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