CN1587458A - Bamboo pulp regenerated cellulose viscose filament rayon and preparing method - Google Patents
Bamboo pulp regenerated cellulose viscose filament rayon and preparing method Download PDFInfo
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- CN1587458A CN1587458A CN 200410084026 CN200410084026A CN1587458A CN 1587458 A CN1587458 A CN 1587458A CN 200410084026 CN200410084026 CN 200410084026 CN 200410084026 A CN200410084026 A CN 200410084026A CN 1587458 A CN1587458 A CN 1587458A
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- 229920000297 Rayon Polymers 0.000 title claims abstract description 66
- 235000017166 Bambusa arundinacea Nutrition 0.000 title claims abstract description 52
- 235000017491 Bambusa tulda Nutrition 0.000 title claims abstract description 52
- 241001330002 Bambuseae Species 0.000 title claims abstract description 52
- 235000015334 Phyllostachys viridis Nutrition 0.000 title claims abstract description 52
- 239000011425 bamboo Substances 0.000 title claims abstract description 52
- 239000002964 rayon Substances 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims description 52
- 239000004627 regenerated cellulose Substances 0.000 title claims description 16
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 72
- 238000009987 spinning Methods 0.000 claims abstract description 46
- 229920002678 cellulose Polymers 0.000 claims abstract description 30
- 239000001913 cellulose Substances 0.000 claims abstract description 30
- 238000004519 manufacturing process Methods 0.000 claims abstract description 12
- 238000012545 processing Methods 0.000 claims abstract description 5
- 238000001914 filtration Methods 0.000 claims abstract description 4
- 239000003513 alkali Substances 0.000 claims description 34
- 239000000835 fiber Substances 0.000 claims description 24
- 239000002994 raw material Substances 0.000 claims description 17
- 238000007598 dipping method Methods 0.000 claims description 10
- 238000002360 preparation method Methods 0.000 claims description 10
- 239000002253 acid Substances 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 8
- ZOOODBUHSVUZEM-UHFFFAOYSA-N ethoxymethanedithioic acid Chemical compound CCOC(S)=S ZOOODBUHSVUZEM-UHFFFAOYSA-N 0.000 claims description 8
- 238000002803 maceration Methods 0.000 claims description 8
- 239000012991 xanthate Substances 0.000 claims description 8
- 230000035800 maturation Effects 0.000 claims description 7
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 5
- 239000005864 Sulphur Substances 0.000 claims description 5
- 238000012805 post-processing Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 238000010298 pulverizing process Methods 0.000 claims description 3
- 238000005406 washing Methods 0.000 claims description 3
- 241001443715 Fusarium oxysporum f. sp. conglutinans Species 0.000 claims description 2
- 238000010525 oxidative degradation reaction Methods 0.000 claims description 2
- 238000006116 polymerization reaction Methods 0.000 claims description 2
- 239000008234 soft water Substances 0.000 claims description 2
- 230000008030 elimination Effects 0.000 claims 1
- 238000003379 elimination reaction Methods 0.000 claims 1
- 239000012535 impurity Substances 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 4
- 239000004753 textile Substances 0.000 abstract description 3
- 230000032683 aging Effects 0.000 abstract 1
- 238000003483 aging Methods 0.000 abstract 1
- 230000005070 ripening Effects 0.000 abstract 1
- 238000002791 soaking Methods 0.000 abstract 1
- 238000004383 yellowing Methods 0.000 abstract 1
- 239000003292 glue Substances 0.000 description 15
- 229920000742 Cotton Polymers 0.000 description 10
- 230000008569 process Effects 0.000 description 9
- 229920001131 Pulp (paper) Polymers 0.000 description 8
- 230000000844 anti-bacterial effect Effects 0.000 description 8
- 239000000047 product Substances 0.000 description 8
- 229920002488 Hemicellulose Polymers 0.000 description 6
- 239000011734 sodium Substances 0.000 description 6
- 230000003115 biocidal effect Effects 0.000 description 4
- 238000011161 development Methods 0.000 description 4
- 230000018109 developmental process Effects 0.000 description 4
- 241000191940 Staphylococcus Species 0.000 description 3
- 230000032050 esterification Effects 0.000 description 3
- 238000005886 esterification reaction Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- FFRBMBIXVSCUFS-UHFFFAOYSA-N 2,4-dinitro-1-naphthol Chemical compound C1=CC=C2C(O)=C([N+]([O-])=O)C=C([N+]([O-])=O)C2=C1 FFRBMBIXVSCUFS-UHFFFAOYSA-N 0.000 description 2
- 241000222122 Candida albicans Species 0.000 description 2
- 241000588724 Escherichia coli Species 0.000 description 2
- 239000012752 auxiliary agent Substances 0.000 description 2
- 230000003385 bacteriostatic effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 229940095731 candida albicans Drugs 0.000 description 2
- 210000002421 cell wall Anatomy 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 241000218978 Populus deltoides Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000001408 fungistatic effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 230000001404 mediated effect Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- ZBJVLWIYKOAYQH-UHFFFAOYSA-N naphthalen-2-yl 2-hydroxybenzoate Chemical compound OC1=CC=CC=C1C(=O)OC1=CC=C(C=CC=C2)C2=C1 ZBJVLWIYKOAYQH-UHFFFAOYSA-N 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003809 water extraction Methods 0.000 description 1
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 1
- 229910000368 zinc sulfate Inorganic materials 0.000 description 1
- 239000011686 zinc sulphate Substances 0.000 description 1
- 235000009529 zinc sulphate Nutrition 0.000 description 1
Abstract
The present invention belongs to the field of textile technology, and is the production process of viscose filament rayon of regenerated bamboo pulp cellulose. The material regenerated bamboo pulp cellulose is produced into the viscose filament rayon through soaking in NaOH solution of 240-250 g/L concentration at 14-18 deg.c for 100-140 min, ageing, yellowing, filtering, ripening, spinning, post-treatment and further processing. The viscose filament rayon of the present invention has relatively high spinnability and other performance. The present invention also provides the technological path and technological parameters of preparing viscose filament rayon with regenerated bamboo pulp.
Description
Technical field
The present invention relates to a kind of textile raw material and preparation method, particularly bamboo-pulp viscose filament and preparation method, belong to the textile product technical field.
Regenerated celulose fibre mainly is that cotton pulp, the wood pulp made with cotton linter and timber are the viscose of raw material production, and it accounts for more than 98% of regenerated celulose fibre raw material.Along with the continuous expansion of viscose output and the minimizing of the forest reserves and cultivated area, make viscose raw material disparities between supply and demand be becoming increasingly acute, the viscose raw material becomes a big factor of its development of restriction, and opening up new raw material field will be the important foundation of viscose production sustainable development.Bamboo is that a kind of widely distributed speed is given birth to cellulosic material, grows in the area of warm moist, is about 2～3 years growth period, and power of regeneration is strong.The bamboo fibre cross section is the plum blossom shape, is natural hollow antibacterial bacteriostatic fiber, also is the raw materials for production of desirable natural fabric.Bamboo pulp is to be raw material, to handle the cellulose pulp of making through special process with natural bamboo, and this bamboo pulp is generated alkali cellulose through alkalization, makes it and CS
2Reaction generates sodium cellulose xanthate, is dissolved in alkali and the water again and makes viscose glue, obtains the bamboo pulp regenerated cellulose long filament by spinning, post processing then.Bamboo pulp has the regenerated celulose fibre raw material of development prospect as 21st century, enjoys people's attention, not only because it is a kind of cellulosic material, and is its antibacterial bacteriostatic.Bamboo fibre has natural antibacterial, biocidal property to the multiple common germ of human body (as Escherichia coli, golden yellow staphylococcus, Candida albicans etc.), and has natural anti-ultraviolet function, and this is that cotton, wood pulp can't be compared.Therefore, utilize bamboo development man-made fiber pulp and bamboo pulp viscose fiber to become the hot subject that the insider pays close attention to.Some manufacturers are when the product of research and development, production bamboo pulp long filament at present, basically continued the production technology of cotton pulp, wood pulp, or adopt bamboo pulp to mix the back with cotton pulp, wood pulp and produce viscose filament yarn, like this, fail to demonstrate fully the special product advantage of bamboo-pulp viscose filament, product quality is subjected to influence to a certain degree.And bamboo pulp fiber has himself characteristic, and comparatively hard as fiber, hemicellulose is higher, if adopt conventional technology, is difficult to obtain satisfied result.Therefore, according to the technology that bamboo pulp own characteristic, employing are fit to, be the key that improves the bamboo-pulp viscose filament quality.
Summary of the invention:
Technical problem to be solved by this invention is that a kind of bamboo pulp regenerated cellulose viscose filament rayon and preparation method with natural antibacterial, biocidal property and anti-ultraviolet function is provided.
The alleged problem of the present invention is solved by following technical scheme:
A kind of bamboo pulp regenerated cellulose viscose filament rayon, its special feature is: described long filament is the finished silk that raw material is made following parameter: 66.7～666.7dtex/18～120f with the bamboo pulp regenerated cellulose, fiber number deviation :≤± 2.5%, do strong: 〉=2.00CN/dtex, wet strong: 〉=1.00CN/dtex, dried stretching: 〉=17.0%, monofilament deviation :≤2.0%, dye 〉=3.5 grades residual sulphur :≤10mg/g.
The preparation method of above-mentioned bamboo pulp regenerated cellulose viscose filament rayon, its master operation comprises: a. dipping: after bamboo pulp is flooded in aqueous slkali, make alkali cellulose through squeezing, pulverizing; B. experienced: alkali cellulose carries out oxidative degradation, reaches the desired degree of polymerization; C. yellow: with alkali cellulose and CS
2Carry out the yellow reaction and obtain cellulose xanthate, add alkali lye and soft water mixing of viscose liquid; D. filter, maturation: with the viscose filtration decontamination, carry out maturation, spinning solution is made in deaeration; E. spinning: spinning solution is decomposed under the acid bath effect, regenerates, be spun into spinning cake through spinning machine; F. post processing, processing: spinning cake is processed into the tube silk after drip washing, oven dry are handled, its special feature is: in described dipping operation: the pulp raw material is a bamboo pulp, maceration extract NaOH concentration: 240～250g/L, the maceration extract temperature: 14～18 ℃, dip time: 100～140min.
The preparation method of above-mentioned bamboo pulp regenerated cellulose viscose filament rayon adopts the wet two step yellow methods of doing in the described yellow operation; The yellow time: dry method 30～40min, wet method 40～60min; Yellow temperature: 22～31 ℃; CS
2To α-cell addition is 33～36%; Alkali lye addition during the wet method yellow: 80～85% of total alkali lye addition, concentration 80～90g/L, surplus finishes the back in yellow, adds when cellulose xanthate is dissolved.
The manufacture method of above-mentioned bamboo pulp regenerated cellulose viscose filament rayon, in described spinning process, the nervous drawing-off of spinning: 4～14%.Acid bath is formed: H
2SO
4: 126～136g/L, ZnSO
4: 9.5～12.5g/L, Na
2SO
4: 260～290g/L, TEP:50～56 ℃.
The preparation method of above-mentioned bamboo pulp regenerated cellulose viscose filament rayon, in described maturation operation, spinning solution degree of ripeness: 7.80～10.5mL, viscosity: 25～50 seconds.
Product of the present invention is a raw material with bamboo pulp, spins bamboo-pulp viscose filament through multiple working procedure, and it is a kind of novel environment friendly fiber that has a extensive future, and is that the spun garment material of raw material has fashion, comfortable, greenization and health care with it.Detect through national authority department, this product quality reaches GB Grade A level, has antibiotic, fungistatic effect, and is particularly antibacterial more obvious with antibacterial effect to staphylococcus, antibacterial value 4.15, and sterilizing value 1.86 meet the requirement of functional fibre, and effect is lasting.This product can be widely used in aspects such as clothes, decorating cloth and amenities, has the individual style that is different from cotton, die model viscose filament yarn.The present invention changes the common process parameter through repetition test and according to the bamboo pulp characteristics in multiple working procedure, make made viscose glue have higher spinning suitability, and processing performance is stable, and the yellow extent of reaction is higher, the spinning good spinning property, and end product quality is good.The present invention provides a cover science, practical process route and technological parameter for bamboo-pulp viscose filament.
The specific embodiment
Raw material of the present invention is hundred-percent bamboo pulp, because bamboo fibre has natural antibacterial, biocidal property to the multiple common germ of human body (as Escherichia coli, golden yellow staphylococcus, Candida albicans etc.), and having natural anti-ultraviolet function, this is that cotton, wood pulp are incomparable.And bamboo fibre is cotton, wood pulp fibre has more sucting wet air permeability, soft smooth property, dangle stiffness and ABRASION RESISTANCE.
Because bamboo pulp and wood pulp, cotton pulp have sizable difference on performance, must be furnished with appropriate process and just can make the viscose filament yarn that share.Its process modification is mainly reflected in the operations such as dipping, yellow, spinning.
The dipping operation: because the bamboo fibre cross section is the plum blossom shape, fibre structure is tight, and the fiber cell wall is comparatively tough and tensile, cell is less, and the hemicellulose level height, and dipping process adopts the immersion liquid condition of high concentrated low temperature, help bamboo pulp NaOH in dipping process and combine with cellulosic molecule, it is more abundant to alkalize.Bamboo pulp can obtain higher swelling capacity when low temperature dipping simultaneously, helps the stripping of hemicellulose.Impregnation concentration: NaOH240～250g/L, the maceration extract temperature: 14～18 ℃, dip time: 100～140min.
The yellow operation: because bamboo fibre is harder, hemicellulose is higher, adopts conventional wet method yellow method, alkali cellulose and CS
2When carrying out the yellow reaction, relatively poor than the swellability of Populus deltoides pulp fibres cell wall, be subjected to the influence of hemicellulose reaction, the formation speed of cellulose xanthate descends, and the esterification degree of made cellulose xanthate is low and inhomogeneous, viscose filtration plugging value height (＞250).Describedly do the wet new yellow technology of two-step method, promptly alkali cellulose is in xanthating machine and CS
2React earlier, add a certain amount of alkali lye then and under big bath raio condition, carry out the wet method yellow.Dried wet two step yellow methods are the advantage of bamboo pulp raw material: at high-alkali, the high CS of dry method
2Alkali cellulose and CS under the concentration
2Main reaction degree height, the reaction of paying of hemicellulose is suppressed, through the alkali cellulose of the preliminary yellow of dry method, after adding a certain amount of alkali lye under big bath raio fully swelling and CS
2Carry out wet method and replenish yellow.This method makes the esterification degree height and the good uniformity of cellulose xanthate, filters plugging value＜200, reaches cotton, wood pulp yellow level.In addition, in glue, add BEROL VISCO auxiliary agent (pressing the description of product uses), make viscose glue in spinning technique, help Zn
2+And CS
3 2-The formation of ion pellicle in the forming speed that delays to regenerate, imposes higher nervous drawing-off to the cellulose silk bar of nascent state, and the axial orientation degree of cellulose crystallite is improved, and increases the brute force of strand.Do wet two step yellow process conditions: the yellow time: dry method 30～40min, wet method 40～60min; Yellow temperature: 22～31 ℃; The CS2 addition is 33～36% (to α-cell); The alkali lye of wet method yellow: concentration 80～90g/L, addition: to 80～85% (total amount need in the yellow glue to refer to the total alkali content of adding, adds when remaining alkali lye dissolves) of total addition.Viscose is formed: α-cell:7.6～8.5%, NaOH:5.7～6.0%, S:2.2～2.45%.In addition, the auxiliary agent that adds in the yellow operation its role is to improve viscose properties, improves spinnability.
Spinning process: spinning form: semi-continuous centrifugal spinning, spinning speed: 60～85m/min.The high ductility characteristic that shows according to the bamboo pulp long filament is promptly stretched long-pendingly by force for the inherent quality that improves the bamboo pulp long filament, and high nervous drawing-off has been adopted in spinning: 4～14.5%.According to the verification experimental verification of bamboo pulp viscose spinning technique with to the analysis of strand cross section core-skin layer, strand residue esterification degree and physical index, the best of acid bath is formed: H
2SO4:126～136g/L, ZnSO4:9.5～12.5g/L, Na
2SO4:260～290g/L, TEP:50～56 ℃.
Several embodiment are provided below:
One, technical process:
1.100% pure bamboo pulp pulpboard; 2. dipping, squeezing, pulverizing; 3. alkali cellulose; 4. experienced; 5. yellow, dissolving; 6. back dissolving; 7. filter; 8. maturation, deaeration; 9. spinning; 10. drip washing, oven dry; 11. be processed into tube.
Two, capital equipment:
Alkali cellulose is made: classic steeping press or compregnate powder combination machine, thickness pulverizer
Viscose glue is made: dissolving machine, blender, flame filter press are mediated in yellow
Spinning: semi-continuous centrifugal formula spinning machine
Post processing, processing: leaching machine, Water Extraction Machinery, dryer, bobbin winder
Three, main technique condition:
Embodiment (one)
1, alkali cellulose manufacturing:
Maceration extract: NaOH concentration: 240g/L, temperature: 16 ℃
Dip time: 100min
Alkali cellulose is formed: α-cell:32.5%, NaOH:17.2%
Experienced temperature: 25.5 ℃
2, viscose glue manufacturing:
Yellow method: do wet two step yellow methods
Yellow temperature: 22～30 ℃
Yellow time: dry method 30min, wet method 50min
Concentration of lye: 90g/L
Alkali lye addition during the wet method yellow: 80% of total addition.
CS
2Addition: 35.5% (to α-cell)
Viscose glue is formed: α-cell:8.3%, NaOH:5.80%, S:2.3%
Spinning glue: degree of ripeness: 8.6ml (10%NH
4Cl) viscosity 32～42 seconds (18 ℃ of falling ball viscosities)
3, spinning:
Spinning form: semicontinuous spinning
Kind: 133.3dtex/30f
Spin speed: 81.4m/min
Drawing-off: 25% nervous drawing-off: 9.8%
Acid bath condition: H
2SO
4: 132 g/L ZnSO
4: 10.5g/L
Na
2SO
4: 265g/L bathes temperature: 53 ℃
4, finished silk physical and chemical indexes:
The fiber number deviation: 0.6% does by force: 2.17CN/dtex is wet strong: 1.16 CN/dtex, dried stretching: 18.8%, the monofilament deviation: 0, dye 4.0 grades residual sulphur: 6.8mg/g.
Embodiment (two)
1, alkali is fine makes:
Maceration extract: NaOH concentration 250g/L, temperature: 18 ℃
Dip time: 130min
Alkali cellulose is formed: α-cell:32.5%, NaOH:17.5%
Experienced temperature: 25.5 ℃
2, viscose glue manufacturing:
Yellow method: do wet two step yellow methods
Yellow temperature: 20～30 ℃
Concentration of lye: 80g/L
Alkali lye addition during the wet method yellow: 83% of total addition.
Yellow time: dry method 30min, wet method 60min
CS
2Addition: 34.5% (to α-cell)
Viscose glue is formed: α-cell:8%, NaOH:5.8%, S:2.25%
Spinning glue: degree of ripeness: 8.0ml (10%NH
4Cl) viscosity 32～42 seconds (18 ℃ of falling ball viscosities);
3, spinning:
Spinning form: semicontinuous spinning
Kind: 83.3dtex/18f
Spin speed: 74.8m/min
Drawing-off: 25% nervous drawing-off: 4.12%
Acid bath condition: H
2SO
4: 128g/L, ZnSO
4: 10g/L
Na
2SO
4: 265g/L, bathe temperature: 51 ℃
4, finished silk physical and chemical indexes:
The fiber number deviation :-0.1%, do strong: 2.18CN/dtex is wet strong: 1.04CN/dtex, dried stretching: 19.6%, the monofilament deviation: 0, dye 4.0 grades residual sulphur: 7.1mg/g.
Embodiment (three)
1, alkali is fine makes:
Maceration extract: NaOH concentration 245g/L, temperature: 15 ℃
Dip time: 140min
Alkali cellulose is formed: α-cell:32.5%, NaOH:17.3%
Experienced temperature: 25.5 ℃
2, viscose glue manufacturing:
Yellow method: do wet two step yellow methods
Yellow temperature: 23～30 ℃
Concentration of lye: 80g/L
Alkali lye addition during the wet method yellow: 85% of total addition.
Yellow time: dry method 30min, wet method 60min
CS
2Addition: 36% (to α-cell)
Viscose glue is formed: α-cell:8.3%, NaOH:5.8%, S:2.3%
Spinning glue: degree of ripeness: 9.5ml (10%NH
4Cl) viscosity 32～42 seconds (18 ℃ of falling ball viscosities);
3, spinning:
Spinning form: semicontinuous spinning
Kind: 166.7dtex/60f
Spin speed: 82.4m/min
Drawing-off: 20% nervous drawing-off: 14.09%
Acid bath condition: H
2SO
4: 136g/L, ZnSO
4: 10.5g/L
Na
2SO
4: 265g/L, bathe temperature: 56 ℃
4, finished silk physical and chemical indexes:
The fiber number deviation :-0.6%, do strong: 2.23CN/dtex is wet strong: 1.20CN/dtex, dried stretching: 18.3%, the monofilament deviation: 0, dye 3.5 grades residual sulphur: 7.8mg/g.
Claims (5)
1. bamboo pulp regenerated cellulose viscose filament rayon, it is characterized in that: described bamboo pulp long filament is that raw material is made following parameter finished silk: 66.7～666.7dtex/18～120f with the bamboo pulp regenerated cellulose, fiber number deviation :≤± 2.5%, do strong: 〉=2.00CN/dtex, wet strong: 〉=1.00CN/dtex, dried stretching: 〉=17.0%, monofilament deviation :≤2.0%, dye 〉=3.5 grades residual sulphur :≤10mg/g.
2. the preparation method of bamboo pulp regenerated cellulose viscose filament rayon according to claim 1, it comprises following operation: a. dipping: after bamboo pulp flood in aqueous slkali, make alkali cellulose through squeezing, pulverizing; B. experienced: alkali cellulose carries out oxidative degradation, reaches the desired degree of polymerization; C. yellow: with alkali cellulose and CS
2Carry out the yellow reaction and obtain cellulose xanthate, add alkali lye and soft water and be dissolved into viscose; D. filter, maturation: with the viscose filtration impurity elimination, carry out maturation again, the formation spinning solution is made in deaeration; E. spinning: spinning solution is decomposed under the acid bath effect, regenerates, be spun into spinning cake through spinning machine; F. post processing, processing: spinning cake is processed into the tube silk after drip washing, oven dry are handled, it is characterized in that: in the dipping operation, the pulp raw material is a bamboo pulp, the concentration of maceration extract NaOH: 240～250g/L, the maceration extract temperature: 14～18 ℃, dip time: 100～140min.
3. the preparation method of bamboo pulp regenerated cellulose viscose filament rayon according to claim 2 is characterized in that: adopt the wet two step yellow methods of doing in the described yellow operation; The yellow time: dry method 30～40min, wet method 40～60min; Yellow temperature: 22～31 ℃; CS
2To α-cell addition is 33～36%; Wet method yellow alkali lye addition: 80～85% of total addition, concentration 80～90g/L, surplus adds when yellow finishes back, cellulose xanthate dissolving.
4. the manufacture method of bamboo pulp regenerated cellulose viscose filament rayon according to claim 3 is characterized in that: in described spinning process, and the nervous drawing-off of spinning: 4～14.5%.Acid bath is formed: H
2SO
4: 126～136g/L, ZnSO
4: 9.5～12.5g/L, Na
2SO
4: 260～290g/L, TEP:50～56 ℃.
5. the preparation method of bamboo pulp regenerated cellulose viscose filament rayon according to claim 4 is characterized in that: in described maturation operation, and spinning solution degree of ripeness: 7.80～10.5mL, viscosity: 25～50 seconds.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100840265A CN1296533C (en) | 2004-10-18 | 2004-10-18 | Bamboo pulp regenerated cellulose viscose filament rayon and preparing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100840265A CN1296533C (en) | 2004-10-18 | 2004-10-18 | Bamboo pulp regenerated cellulose viscose filament rayon and preparing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1587458A true CN1587458A (en) | 2005-03-02 |
| CN1296533C CN1296533C (en) | 2007-01-24 |
Family
ID=34605151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100840265A Expired - Fee Related CN1296533C (en) | 2004-10-18 | 2004-10-18 | Bamboo pulp regenerated cellulose viscose filament rayon and preparing method |
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|---|---|
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100400724C (en) * | 2005-05-20 | 2008-07-09 | 唐山三友集团化纤有限公司 | Denatured bamboo pulp viscose short fiber and its production process |
| CN102146593A (en) * | 2011-04-21 | 2011-08-10 | 扬州大学 | Production method of radiation-proof fabric |
| CN102926014A (en) * | 2012-11-01 | 2013-02-13 | 新乡化纤股份有限公司 | Production process for cellulose viscose fiber |
| CN103114348A (en) * | 2012-12-21 | 2013-05-22 | 湖北金环股份有限公司 | Processing method of mucilage glue based carbon fiber precursor |
| CN106591991A (en) * | 2016-12-15 | 2017-04-26 | 山东银鹰化纤有限公司 | Production method of bamboo joint type hollow bamboo viscose fibers |
| CN112538664A (en) * | 2020-11-11 | 2021-03-23 | 南通纺织丝绸产业技术研究院 | Anti-counterfeiting bamboo pulp fiber, preparation method and anti-counterfeiting method |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1194119C (en) * | 2002-05-14 | 2005-03-23 | 河北吉藁化纤有限责任公司 | Bamboo Viscose fibre and its preparing method |
| CN1399011A (en) * | 2002-08-13 | 2003-02-26 | 河北吉藁化纤有限责任公司 | Bamboo viscose fiber and its production process |
| CN1381620A (en) * | 2002-05-14 | 2002-11-27 | 河北吉藁化纤有限责任公司 | Viscose rayon made of bamboo and its preparing process |
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2004
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100400724C (en) * | 2005-05-20 | 2008-07-09 | 唐山三友集团化纤有限公司 | Denatured bamboo pulp viscose short fiber and its production process |
| CN102146593A (en) * | 2011-04-21 | 2011-08-10 | 扬州大学 | Production method of radiation-proof fabric |
| CN102146593B (en) * | 2011-04-21 | 2012-05-23 | 扬州大学 | Production method of radiation-proof fabric |
| CN102926014A (en) * | 2012-11-01 | 2013-02-13 | 新乡化纤股份有限公司 | Production process for cellulose viscose fiber |
| CN102926014B (en) * | 2012-11-01 | 2014-12-24 | 新乡化纤股份有限公司 | Production process for cellulose viscose fiber |
| CN103114348A (en) * | 2012-12-21 | 2013-05-22 | 湖北金环股份有限公司 | Processing method of mucilage glue based carbon fiber precursor |
| CN103114348B (en) * | 2012-12-21 | 2015-04-08 | 湖北金环股份有限公司 | Processing method of mucilage glue based carbon fiber precursor |
| CN106591991A (en) * | 2016-12-15 | 2017-04-26 | 山东银鹰化纤有限公司 | Production method of bamboo joint type hollow bamboo viscose fibers |
| CN112538664A (en) * | 2020-11-11 | 2021-03-23 | 南通纺织丝绸产业技术研究院 | Anti-counterfeiting bamboo pulp fiber, preparation method and anti-counterfeiting method |
| CN112538664B (en) * | 2020-11-11 | 2022-02-11 | 南通纺织丝绸产业技术研究院 | Anti-counterfeiting bamboo pulp fiber, preparation method and anti-counterfeiting method |
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| CN1296533C (en) | 2007-01-24 |
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