CN100549253C - Being mixed and made into composite cellulose pulp with cotton, bamboo wood is composite cellulose viscose filament yarn and the preparation method that raw material is made - Google Patents
Being mixed and made into composite cellulose pulp with cotton, bamboo wood is composite cellulose viscose filament yarn and the preparation method that raw material is made Download PDFInfo
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Abstract
The invention discloses and being mixed and made into composite cellulose pulp with cotton, bamboo wood is composite cellulose viscose filament yarn and the preparation method that raw material is made, and the raw material pulp of composite cellulose viscose filament yarn is a compound cellulose pulp cotton, wooden, that the bamboo raw material is made according to following weight proportion combination: cotton: bamboo=1%～99%: 1%～99%; The preparation method comprises following processing step: dipping, squeezing, pulverizing, yellow, dissolving, filtration, deaeration, spinning, refining, oven dry; The present invention has expanded the raw material sources of viscose, has solved the problem that production efficiency is low, cost is high; It is beautiful to make composite fibre gloss through spinning, have natural good coloring, bounce-back property, humidity absorption and release, gas permeability are better than various synthetic fiber especially, be a kind of fully natural green environment-friendly products, the antibacterial bacteriostatic deodorant function and the texture that have the uniqueness that simple use cotton pulp, wood pulp, jute pulp viscose do not have simultaneously, also can overcome independent use bamboo viscose intensity and the low problem of whiteness, and raw material is easy to get, production technology optimization, efficient height, the advantage of comprehensive various native celluloses as required.
Description
Technical field:
The present invention relates to a kind of viscose filament yarn and preparation method thereof, particularly relating to a kind of is composite cellulose viscose filament yarn of producing of one of raw material and preparation method thereof with the compound cellulose pulp.
Background technology:
At present, viscose all is to be single raw material with the cotton pulp dregs of rice or wood pulps or bamboo pulp etc., through dipping, squeezing, pulverizing, yellow, viscose glue pulverizing, dissolving, grinding, filtration, maturation, deaeration, spinning, refining, oven dry with become technical process such as tube and a kind of regenerated celulose fibre of making.The fabric that with the natural fabric is raw material possesses good hygroscopicity, dyeability and antistatic behaviour.Raising day by day along with people's living standard, requirement for fabric is also more and more higher, not only pursue comfortableness, pay attention to environmental protection more, antibiotic property and biocidal property etc., existing composite viscose fiber all is to carry out compound as the semi-continuous centrifugal spinning machine on spinning machine, rather than in the pulp production process, just directly carry out various raw materials compound, yet, the cotton pulp dregs of rice, wood pulps, hemp dissolving pulp, the viscose of each single raw material production such as bamboo pulp, the performance dullness, show that individual character is not outstanding, performance has nothing in common with each other, and has their own characteristics each, as skin affinity, the deflection of fiber, the antibacterial bacteriostatic function, the fiber soft feeling, deodorization, gas permeability, coloring, bounce-back property, humidity absorption and releases etc., therefore the viscose of single pulp production can't satisfy people's multiple demand.Find that after deliberation plurality of raw materials is made the compound cellulose pulp, can improve the various performances of fiber, maximizes favourable factors and minimizes unfavourable ones, and remedies each other, and the premium properties of every kind of fiber is represented.Adopt this compound cellulose pulp that the natural compounding type that production performance is many, moral character is high viscose can be provided, satisfy people and realize the living needs grow with each passing hour, and be the composite cellulose viscose filament yarn made of the raw material advantage of comprehensive various native celluloses comprehensively with the plain pulp of New-type composite fibre.
Summary of the invention:
The purpose of this invention is to provide a kind of is the high performance viscose filament yarn fiber and preparation method thereof of raw material production with the compound cellulose pulp, the present invention is to be raw material mixed raw materials such as natural cotton, bamboo wood are become composite cellulose pulp, expand the raw material sources of viscose, solved the problem that production efficiency is low, cost is high.Beautiful through cotton, bamboo composite gloss that spinning makes, have natural good coloring, bounce-back property, humidity absorption and release, gas permeability are better than various synthetic fiber especially, be a kind of fully natural green environment-friendly products, the antibacterial bacteriostatic deodorant function and the texture that have the uniqueness that simple use cotton pulp, wood pulp, jute pulp viscose do not have simultaneously, also can overcome independent use bamboo viscose intensity and spend problem certainly, and raw material is easy to get, production technology optimization, efficient height, cost are low, as required the advantage of comprehensive various native celluloses.
Technical scheme of the present invention is as follows:
A kind of to be mixed and made into composite cellulose pulp with cotton, bamboo wood be the composite cellulose viscose filament yarn that raw material is made, and it is characterized in that: described raw material pulp is a compound cellulose pulp cotton, that the bamboo raw material is made according to following weight proportion combination: cotton: bamboo=1%～99%: 1%～99%; The technical indicator of described compound cellulose pulp is as follows: ash≤0.25%, moisture 10.0 ± 0.5%, iron content≤40ppm, fatty wax≤0.25%, chlorine-bearing compound≤0.25%, pectic substance pentosan≤0.25%, lignin≤0.25%, alpha cellulose 〉=85%, viscosity 〉=8.0mpa.s, whiteness 〉=60%, constant volume weight 120-1020g/m
3, inhale base number 200-970%; Swelling capacity 80-300%;
The technical indicator of this composite cellulose viscose filament yarn comprises:
Do fracture strength: 〉=1.65CN/dtex
Wet breaking strength: 〉=0.75CN/dtex
Dried elongation at break: 17%-22.0%
Fineness deviation ratio :≤2.5%
Whiteness: 〉=70%
Residual sulfur content :≤15mg/100g people silk
Lousiness leads after testing :≤8/megameter people silk.
A kind of composite cellulose viscose filament yarn of the present invention is meant with the compound cellulose pulp to be the viscose filament yarn of raw material production, and its specification is as described below:
Fiber number specification: 40～800D;
Monofilament radical: 1～300;
Include light, semimat, full-dull and painted silk;
The strand shape comprises conventional silk, flat filament and other shaped filaments.
Cotton of the present invention, bamboo composite cellulose pulp are in cotton, bamboo composite cellulose pulp production process natural cotton raw material and bamboo material to be mixed and made into composite cellulose pulp.
Compound cellulose pulp range of application of the present invention: acetate fiber, copper ammonia fibre, viscose filament yarn, day silk, viscose short-thread, glassine paper, carbon fiber, CMC etc.
A kind of composite cellulose pulp manufacture method of the present invention comprises the steps: condiment, washes material, washing, making beating are discongested, mixing, removal of impurities washing, pre-acid, pre-chlorine, bleaching, acid treatment, removal of impurities washing, manufacture paper with pulp.A, condiment: cotton, bamboo fibre are got the raw materials ready according to said ratio, adjust structure; B, boiling: cotton, bamboo is adopted soda process, sulfate process or sulfite cooking, presses 5.0～35.0% of oven dry weight and adds NaOH, Na
2S, Na
2SO
3, H
2SO
3In one or more, liquor ratio is 1: 1.0-9.5, boiling vacuumizes earlier, intensification number of times 〉=1 time, little steam bleeding number of times 〉=0 time; C, wash material; D, washing; E, making beating are discongested: employing beater or fluffer are pulled an oar or are discongested, weight in wet base 5-50 gram; F, mixing: above-mentioned slurry is mixed in stock tank.G, removal of impurities washing; H, pre-acid: with the acid amount is the 0.2-10.0% of slurry oven dry weight, concentration 1.0-15.0%, pre-acid time 〉=5min; I, pre-chlorine: chlorine dosage is the 0.2-15.0% of slurry oven dry weight, concentration 0.2-10.0%, pre-chlorine time 〉=15min; J, bleaching: the viscosity of bleaching disposed slurry is 8-35mpa.s, first fibre 〉=80.0%, whiteness 〉=60%; K, acid treatment: sulfuric acid or hydrochloric acid are pressed the slurry oven dry weight and are added 0.2-10.0%, and calgon is pressed the slurry oven dry weight and added 0.1-8.0%, processing time 〉=30min; L, removal of impurities washing; M, manufacture paper with pulp.The 0.3-10% that presses oven dry weight before the described cooking process adds NaOH, and liquor ratio is that 1: 1.0～9.5 pairs raw materials are precooked.The NaOH that adds a certain amount of concentration before the described washing procedure and be 5%-30% carries out alkali and analyses.
On the basis of technique scheme, be further to reduce energy consumption and stable control quality, can also adopt one of following several technical measures or all: in the described precooking process, can add alkali lye, acid, water and carry out boiling, also can directly feed vapour cooking.In the described step boiling, boiling vacuumizes earlier, intensification number of times 〉=1 time, and little steam bleeding number of times 〉=0 time, heat up, temperature retention time≤800 minute in maximum temperature≤200 ℃ of at every turn heating up at every turn.In the described step boiling, for improving the first fibre, press down bubble, the big gun that disappears, and reduce black liquor COD and colourity, the 0.1-3.0% that press the slurry oven dry weight adds the MA-1 auxiliary agent of Chongqing long-lived paper making additive factory production.Described MA-1 auxiliary agent is a kind of anion surfactant, but the automated biological degraded.
The preparation method of a kind of composite cellulose viscose filament yarn of the present invention comprises following processing step: dipping, squeezing, pulverizing, experienced, yellow, dissolving, filtration, deaeration, spinning, refining, oven dry.
Dipping of the present invention, squeezing, pulverizing, experienced operation are meant: the compound cellulose pulp is immersed under 30～60 ℃ temperature conditions in the alkali lye that concentration is 180～280g/L, again after the squeezer squeezing, pulverizing, reaching in the alkali fibre the fine content of first is 25～35%, alkali content is 15～18%, and density is 100～150Kg/m
3Add the VIF-64 modifying agent that can improve the compound cellulose reactivity worth during dipping.Adopt the secondary temperature elevation control method during dipping, improved the reactivity worth of compound cellulose, effectively improve its reaction effect.Use spray equipment to add the VIF-9 stabilizing agent that improves the compound cellulose degree of polymerization in the expressing process, make that to fall collecting process more uniform and stable, the fine stable polymerization degree homogeneous of alkali.2000～3000 rev/mins of pulverization rollers that rotate at a high speed of employing make compound cellulose alkali fibre obtain good crushing effect during pulverizing, guarantee the abundant of yellow reaction.Experienced operation is used the experienced machine of belt, guarantees that the alkali fibre that enters experienced machine carries out according to first in first out, makes the fine chain rupture of compound cellulose alkali even, the fine stable polymerization degree homogeneous of alkali.
Yellow of the present invention, dissolution process adopt dry method constant temperature yellow method, and dry method constant temperature yellow method is meant: the CS that adds α-cell (methylcellulose) 26 ~ 35% in the relative alkali fibre in the alkali fibre
2(carbon disulfide), yellow temperature are 26 ~ 32 ℃, and the yellow time is 30～80 minutes.Add CS
2Shi Caiyong circulating line and spray equipment evenly add, and make CS
2In compound cellulose alkali fibre, fully mix.After yellow, add the VIF-51/41 denaturant that improves viscose filtration performance and spinning property, effectively improve the strainability and the spinning property of compound cellulose viscose glue.The alkali lye total amount that yellow need add (forming calculating according to viscose glue) is divided 3 adding xanthating machines, and the last 30% pair of xanthating machine that adds total amount behind xanthating machine material clearancen washes.Adopt viscose grinder to grind after the yellow, under 6～15 ℃ temperature, dissolve, make viscose glue reach good solute effect.
Spinning process of the present invention is meant: will carry out regeneration, drawing-off, cellulose macromolecule crystallization and rearrangement, the wire strip forming of composite fibre cellulose fiber through the viscose glue of dissolving, deaeration, filtration with continuous spinning machine or semi-continuous spinning machine.
The viscose glue that the compound cellulose that spinning process adopted makes comprises following feature: α-cell (methylcellulose) content: 7.8-8.20%; NaOH content is: 5.90-6.25%; Viscosity (falling ball method) is: 28-45 second; Degree of ripeness (NH4Cl value): 8.6-11.0ml; Population (in every milliliter of viscose glue 〉=10 micro particles numbers) be :≤1500; The secondary blob of viscose is: (number in every milliliter of viscose glue) is :≤10; The viscose glue surface tension is: 40-50dynes/cm; Esterification degree: 35-45.Owing to adopted above-mentioned feature, the viscose glue that makes compound cellulose make has possessed good spinning properties, can produce high-quality viscose filament yarn.
The acid bath that spinning process adopted comprises following feature: H
2SO
4Content (54 ℃ time measure) is: 130～150g/l; ZnSO
4Content (54 ℃ time measure) is: 10-13g/l; Na
2SO
4Content (54 ℃ time measure) is: 220～265g/l; The acid bath temperature is: 51～56 ℃; The acid bath surface tension is: 40～50dynes/cm.Used denaturant VIF-53 and VIF-10 in acid bath, stabilizing agent VIF-70 has effectively improved the acid bath characteristic, and acid bath is suitable for and the supporting spinning properties of compound cellulose viscose glue.
Concise operation of the present invention is meant: in washing facility spinning cake or strand are carried out desulfurization, bleach and oil.Chelating agent VIF-80 that strengthens composite fibre cellulose fiber desulfurization performance and the hardening agent VIF-90 that strengthens discoloration have been used in the refining process.This method is adopted in refining, has effectively improved composite fibre cellulose fiber refining effect, and character such as fiber sulfur-bearing, whiteness are effectively improved.
The present invention has solved the problem that production efficiency is low, cost is high owing to be directly to adopt mixed raw materials such as natural cotton, bamboo wood to become composite cellulose pulp to be raw material, to have expanded the raw material sources of viscose.Beautiful through cotton, bamboo composite gloss that spinning makes, have natural good coloring, bounce-back property, humidity absorption and release, gas permeability are better than various synthetic fiber especially, be a kind of fully natural green environment-friendly products, the antibacterial bacteriostatic deodorant function and the texture that have the uniqueness that simple use cotton pulp, wood pulp, jute pulp viscose do not have simultaneously, also can overcome independent use bamboo viscose intensity and the low problem of whiteness, and raw material is easy to get, production technology optimization, efficient height, cost are low, as required the advantage of comprehensive various native celluloses.
The specific embodiment:
Embodiment 1
The production of 120D/30F composite cellulose viscose filament yarn:
Raw material: become composite cellulose pulp with natural cotton, bamboo mixed raw material, wherein: cotton, bamboo proportion of raw materials is: 80%: 20%.
Impregnation technology:
Alkali liquid temperature: 35 ℃
Concentration of lye: 188g/l
Dip time: 100 minutes
Alkali is fine to be formed: α-cell content: 28%
NaOH content: 16.3%
The VIF-64 addition: 0.5% (to α-cell)
The VIF-9 addition: 1.0% (to α-cell)
Yellow technology:
CS
2Addition: 35.5% (to α-cell)
Yellow temperature: 30 ℃
The yellow time: 70 minutes
Solution temperature: 8 ℃
The VIF-51/41 addition: 2.0% (to α-cell)
Spin preceding viscose glue:
α-cell content: 7.85%
NaOH content: 6.15%
Viscosity (falling ball method): 48 seconds
Degree of ripeness (NH4Cl value): 11.8ml
Population: 350/ml viscose glue
Secondary blob of viscose: 7/ml viscose glue
Surface tension: 49dynes/cm
Esterification degree: 39%
Spinning technique:
H
2SO
4Concentration: 130g/l
Na
2SO
4Concentration: 220g/l
ZnSO
4Concentration: 10.5g/l
Acid bath temperature: 52 ℃
Surface tension: 40dynes/cm
Spinning head stretching: 9.5%
End product quality:
Do fracture strength: 1.95CN/dtex
Wet breaking strength: 1.10CN/dtex
Dried elongation at break: 19.8%
Fineness deviation ratio :+0.8%
Whiteness: 71.6%
Residual sulfur content: 8.5mg/100g people's silk
Regain: 12.3%
Oil content: 0.15%
Embodiment 2
The production of 600D/100F composite cellulose viscose filament yarn:
Raw material: become composite cellulose pulp with natural cotton, bamboo mixed raw material, wherein: cotton bamboo proportion of raw materials is: 50%: 50%.
Impregnation technology:
Alkali liquid temperature: 48 ℃
Concentration of lye: 180g/l
Dip time: 80 minutes
Alkali is fine to be formed: α-cell content: 32.3%
NaOH content: 15.8%
The VIF-64 addition: 1.0% (to α-cell)
The VIF-9 addition: 1.3% (to α-cell)
Yellow technology:
CS
2Addition: 30.5% (to α-cell)
Yellow temperature: 26.5 ℃
The yellow time: 80 minutes
Solution temperature: 13 ℃
The VIF-51/41 addition: 1.5% (to α-cell)
Spin preceding viscose glue:
α-cell content: 8.03%
NaOH content: 5.98%
Viscosity (falling ball method): 42 seconds
Degree of ripeness (NH4Cl value): 12.1ml
Population: 425/ml viscose glue
Secondary blob of viscose: 8/ml viscose glue
Surface tension: 41dynes/cm
Esterification degree: 35%
Spinning technique:
H
2SO
4Concentration: 138g/l
Na
2SO
4Concentration: 239g/l
ZnSO
4Concentration: 10.8g/l
Acid bath temperature: 55 ℃
Surface tension: 48dynes/cm
Spinning head stretching: 18%
End product quality:
Do fracture strength: 2.1CN/dtex
Wet breaking strength: 1.27CN/dtex
Dried elongation at break: 20.0%
Fineness deviation ratio :-1.1%
Whiteness: 72.5%
Residual sulfur content: 9.3mg/100g people's silk
Regain: 12.2%
Oil content: 0.12%
Embodiment 3
The production of the unglazed composite cellulose viscose filament yarn of 120D/30F:
Raw material: become composite cellulose pulp with natural cotton, bamboo mixed raw material, wherein: cotton bamboo proportion of raw materials is: 60%: 40%.
Impregnation technology:
Alkali liquid temperature: 42 ℃
Concentration of lye: 216g/l
Dip time: 90 minutes
Alkali is fine to be formed: α-cell content: 29.6%
NaOH content: 16.3%
The VIF-64 addition: 1.2% (to α-cell)
The VIF-9 addition: 1.0% (to α-cell)
Yellow technology:
CS
2Addition: 28.5% (to α-cell)
Yellow temperature: 31 ℃
The yellow time: 45 minutes
Solution temperature: 15 ℃
The VIF-51/41 addition: 1.5% (to α-cell)
Spin preceding viscose glue:
α-cell content: 7.85%
NaOH content: 5.96%
Viscosity (falling ball method): 47 seconds
Degree of ripeness (NH4Cl value): 11.3ml
Population: 950/ml viscose glue
Secondary blob of viscose: 9/ml viscose glue
Surface tension: 44dynes/cm
Esterification degree: 38%
Spinning technique:
H
2SO
4Concentration: 135g/l
Na
2SO
4Concentration: 232g/l
ZnSO
4Concentration: 9.8g/l
Acid bath temperature: 551.5 ℃
Surface tension: 44dynes/cm
Spinning head stretching: 13.5%
End product quality:
Do fracture strength: 1.95CN/dtex
Wet breaking strength: 1.05CN/dtex
Dried elongation at break: 18.6%
Fineness deviation ratio :-0.8%
Whiteness: 74.3%
Residual sulfur content: 7.2g/100g people's silk
Regain: 12.0%
Oil content: 0.16%
Embodiment 4:
The production of 120D/30F composite cellulose viscose filament yarn:
Raw material: become composite cellulose pulp with natural cotton, bamboo mixed raw material, wherein: cotton, bamboo proportion of raw materials is: 80%: 20%
Impregnation technology:
Alkali liquid temperature: 45 ℃
Concentration of lye: 235g/l
Dip time: 80 minutes
Alkali is fine to be formed: α-cell content: 32.3%
NaOH content: 16.7%
The VIF-64 addition: 1.0% (to α-cell)
The VIF-9 addition: 1.0% (to α-cell)
Yellow technology:
CS
2Addition: 31.5% (to α-cell)
Yellow temperature: 28 ℃
The yellow time: 65 minutes
Solution temperature: 12 ℃
The VIF-51/41 addition: 1.0% (to α-cell)
Spin preceding viscose glue:
α-cell content: 8.15%
NaOH content: 6.12%
Viscosity (falling ball method): 42 seconds
Degree of ripeness (NH4Cl value): 8.8ml
Population: 1250/ml viscose glue
Secondary blob of viscose: 6/ml viscose glue
Surface tension: 43dynes/cm
Esterification degree: 36.5%
Spinning technique:
H
2SO
4Concentration: 138.5g/l
Na
2SO
4Concentration: 264g/l
ZnSO
4Concentration: 12.5g/l
Acid bath temperature: 52.5 ℃
Surface tension: 49dynes/cm
Spinning head stretching: 18.5%
End product quality:
Do fracture strength: 2.02CN/dtex
Wet breaking strength: 1.07CN/dtex
Dried elongation at break: 17.6%
Fineness deviation ratio :-1.5%
Whiteness: 70.6%
Residual sulfur content: 8.2mg/100g people's silk
Regain: 12.6%
Oil content: 0.18%
Embodiment 5:
The production of 120D/30F composite cellulose viscose filament yarn:
Raw material: become composite cellulose pulp with natural cotton, bamboo mixed raw material, wherein: cotton, bamboo proportion of raw materials is: 30%: 70%
Impregnation technology:
Alkali liquid temperature: 38 ℃
Concentration of lye: 238g/l
Dip time: 80 minutes
Alkali is fine to be formed: α-cell content: 28.5%
NaOH content: 15.8%
The VIF-64 addition: 1.5% (to α-cell)
The VIF-9 addition: 1.5% (to α-cell)
Yellow technology:
CS
2Addition: 35.5% (to α-cell)
Yellow temperature: 26 ℃
The yellow time: 80 minutes
Solution temperature: 12 ℃
The VIF-51/41 addition: 1.5% (to α-cell)
Spin preceding viscose glue:
α-cell content: 8.1%
NaOH content: 5.9%
Viscosity (falling ball method): 30 seconds
Degree of ripeness (NH4Cl value): 9.8ml
Population: 1050/ml viscose glue
Secondary blob of viscose: 5/ml viscose glue
Surface tension: 49dynes/cm
Esterification degree: 38%
Spinning technique:
H
2SO
4Concentration: 145g/l
Na
2SO
4Concentration: 256g/l
ZnSO
4Concentration: 11.5g/l
Acid bath temperature: 55 ℃
Surface tension: 49dynes/cm
Spinning head stretching: 10.5%
End product quality:
Do fracture strength: 2.05CN/dtex
Wet breaking strength: 1.15CN/dtex
Dried elongation at break: 17.5%
Fineness deviation ratio :+2.0%
Whiteness: 70.5%
Residual sulfur content: 6.5mg/100g people's silk
Regain: 12.3%
Oil content: 0.20%
Embodiment 5
As a same reason, for other end value points, can realize equally, and reach technique effect of the present invention.
Embodiment 6:
The production of 120D/30F composite cellulose viscose filament yarn:
Raw material: become composite cellulose pulp with natural cotton, bamboo mixed raw material, wherein: cotton, bamboo proportion of raw materials is: 20%: 280%
Impregnation technology:
Alkali liquid temperature: 40 ℃
Concentration of lye: 235g/l
Dip time: 80 minutes
Alkali is fine to be formed: α-cell content: 30.5%
NaOH content: 16.2%
The VIF-64 addition: 1.0% (to α-cell)
The VIF-9 addition: 1.0% (to α-cell)
Yellow technology:
CS
2Addition: 34.5% (to α-cell)
Yellow temperature: 26 ℃
The yellow time: 80 minutes
Solution temperature: 12 ℃
The VIF-51/41 addition: 1.0% (to α-cell)
Spin preceding viscose glue:
α-cell content: 8.15%
NaOH content: 5.95%
Viscosity (falling ball method): 35 seconds
Degree of ripeness (NH4Cl value): 9.3ml
Population: 1300/ml viscose glue
Secondary blob of viscose: 5/ml viscose glue
Surface tension: 49dynes/cm
Esterification degree: 38%
Spinning technique:
H
2SO
4Concentration: 145g/l
Na
2SO
4Concentration: 256g/l
ZnSO
4Concentration: 11.5g/l
Acid bath temperature: 55 ℃
Surface tension: 49dynes/cm
Spinning head stretching: 10.5%
End product quality:
Do fracture strength: 1.95CN/dtex
Wet breaking strength: 1.05CN/dtex
Dried elongation at break: 16.5%
Fineness deviation ratio :+1.5%
Whiteness: 70.5%
Residual sulfur content: 6.5mg/100g people's silk
Regain: 12.3%
Oil content: 0.20%
Embodiment 7
The production of 120D/30F composite cellulose viscose filament yarn:
Raw material: become composite cellulose pulp with natural cotton, bamboo mixed raw material, wherein: cotton, bamboo proportion of raw materials is: 1%: 99%
Embodiment 8
The production of 120D/30F composite cellulose viscose filament yarn:
Raw material: become composite cellulose pulp with natural cotton, bamboo mixed raw material, wherein: cotton, bamboo proportion of raw materials is: 99%: 1%
On basis of the present invention, those of ordinary skill in this technical field can both obtain following relevant art enlightenment: becoming composite cellulose pulp to be not restricted to the listed raw material of the present invention with natural cotton, bamboo mixed raw material, is that raw material is made composite cellulose viscose filament yarn of the present invention and is not limited only to the listed raw material of the present invention equally with the composite cellulose pulp.
On basis of the present invention, the those of ordinary skill in this technical field can be realized purpose of the present invention in conjunction with other known property general knowledge.
The present invention is not limited only to the literal statement of claim literal, above-mentioned being included in the scope of the present invention.
Claims (6)
1, a kind of to be mixed and made into composite cellulose pulp with cotton, bamboo wood be the composite cellulose viscose filament yarn that raw material is made, and it is characterized in that: described raw material pulp is a compound cellulose pulp cotton, that the bamboo raw material is made according to following weight proportion combination: cotton: bamboo=1%～99%: 1%～99%; The technical indicator of described compound cellulose pulp is as follows: ash≤0.25%, moisture 10.0 ± 0.5%, iron content≤40ppm, fatty wax≤0.25%, chlorine-bearing compound≤0.25%, pectic substance pentosan≤0.25%, lignin≤0.25%, alpha cellulose 〉=85%, viscosity 〉=8.0mpa.s, whiteness 〉=60%, constant volume weight 120-1020g/m
3, inhale base number 200-970%; Swelling capacity 80-300%; The technical indicator of this composite cellulose viscose filament yarn comprises:
Do fracture strength: 〉=1.65CN/dtex
Wet breaking strength: 〉=0.75CN/dtex
Dried elongation at break: 17%-22.0%
Fineness deviation ratio :≤2.5%
Whiteness: 〉=70%
Residual sulfur content :≤15mg/100g people silk
Lousiness leads after testing :≤8/megameter people silk.
2, a kind of composite cellulose viscose filament yarn according to claim 1 is characterized in that: described raw material pulp is a compound cellulose pulp cotton, that the bamboo raw material is made according to following weight proportion combination: cotton 80%, bamboo 20%.
3, a kind of composite cellulose viscose filament yarn according to claim 1 is characterized in that: described raw material pulp is a compound cellulose pulp cotton, that the bamboo raw material is made according to following weight proportion combination: cotton 50%, bamboo 50%.
4, a kind of composite cellulose viscose filament yarn according to claim 1 is characterized in that: described raw material pulp is a compound cellulose pulp cotton, that the bamboo raw material is made according to following weight proportion combination: cotton 60%, bamboo 40%.
5, a kind of composite cellulose viscose filament yarn according to claim 1, it is characterized in that: described composite cellulose pulp manufacture method comprises the steps: condiment, boiling, washes material, washing, making beating are discongested, mixing, removal of impurities washing, pre-acid, pre-chlorine, bleaching, acid treatment, removal of impurities washing, manufacture paper with pulp.
6, a kind of composite cellulose viscose filament yarn according to claim 5 is characterized in that:
A, condiment: cotton, bamboo fibre raw material are got the raw materials ready by said ratio, adjust structure;
B, boiling: cotton, bamboo is adopted soda process, sulfate process or sulfite cooking, presses 5.0～35.0% of oven dry weight and adds NaOH, Na
2S, Na
2SO
3, H
2SO
3In one or more, liquor ratio is 1: 1.0-9.5;
C, wash material;
D, washing;
E, making beating are discongested: employing beater or fluffer are pulled an oar or are discongested, weight in wet base 5-50 gram;
F, mixing: above-mentioned slurry is mixed in stock tank;
G, removal of impurities washing;
H, pre-acid: with the acid amount is the 0.2-10.0% of slurry oven dry weight, concentration 1.0-15.0%, pre-acid time 〉=5min;
I, pre-chlorine: chlorine dosage is the 0.2-15.0% of slurry oven dry weight, concentration 0.2-10.0%, pre-chlorine time 〉=15min;
J, bleaching: the viscosity of bleaching disposed slurry is 8-35mpa.s, first fibre 〉=80.0%, whiteness 〉=60%;
K, acid treatment: sulfuric acid or hydrochloric acid are pressed the slurry oven dry weight and are added 0.2-10.0%, and calgon is pressed the slurry oven dry weight and added 0.1-8.0%, processing time 〉=30min;
L, removal of impurities washing;
M, manufacture paper with pulp;
The 0.3-10% that press oven dry weight before the described cooking process adds NaOH, and liquor ratio is that 1: 1.0～9.5 pairs raw materials are precooked, and a certain amount of concentration of adding is that the NaOH of 5%-30% carries out alkali and analyses before the described washing procedure;
Wherein:
In the described boiling step, boiling vacuumizes earlier, intensification number of times 〉=1 time, and little steam bleeding number of times 〉=0 time, heat up, temperature retention time≤800 minute in maximum temperature≤200 ℃ of at every turn heating up at every turn;
In the described boiling step, the 0.1-3.0% that presses the slurry oven dry weight adds the MA-1 auxiliary agent that Chongqing long-lived paper making additive factory produces; Described MA-1 auxiliary agent is a kind of anion surfactant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200610083864XA CN100549253C (en) | 2006-05-08 | 2006-06-06 | Being mixed and made into composite cellulose pulp with cotton, bamboo wood is composite cellulose viscose filament yarn and the preparation method that raw material is made |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610020979 CN1844514A (en) | 2006-05-08 | 2006-05-08 | Composite cellulose viscose filament yarn with composite cellulose pulp as raw materials made of cotton and bamboo mixture and preparation method thereof |
| CN200610020979.4 | 2006-05-08 | ||
| CNB200610083864XA CN100549253C (en) | 2006-05-08 | 2006-06-06 | Being mixed and made into composite cellulose pulp with cotton, bamboo wood is composite cellulose viscose filament yarn and the preparation method that raw material is made |
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| CN1880525A CN1880525A (en) | 2006-12-20 |
| CN100549253C true CN100549253C (en) | 2009-10-14 |
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| CN102677507B (en) * | 2012-05-29 | 2014-06-18 | 宜宾丝丽雅集团有限公司 | Cooking process for carrying out composite modification on natural color bamboo paper pulp and cotton paper pulp to form dissolving pulp |
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Non-Patent Citations (2)
| Title |
|---|
| 化学纤维概论. 肖长发等，42-43，中国纺织出版社. 1997 |
| 化学纤维概论. 肖长发等，42-43，中国纺织出版社. 1997 * |
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