CN1108402C - Unioresistant viscose fibre producing process - Google Patents
Unioresistant viscose fibre producing process Download PDFInfo
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- CN1108402C CN1108402C CN 00121876 CN00121876A CN1108402C CN 1108402 C CN1108402 C CN 1108402C CN 00121876 CN00121876 CN 00121876 CN 00121876 A CN00121876 A CN 00121876A CN 1108402 C CN1108402 C CN 1108402C
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- unioresistant
- viscose fibre
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Abstract
The present invention relates to a manufacturing technique for ultraviolet resistant viscose fibres, which comprises the working procedures of addition of the raw material of dissolving pulp, immersion, pressing, pulverization, ageing, xanthation, post-dissolution, first filtration, secondary filtration, deaeration, third filtration, spinning, drafting, cutting, refining, drying and packing. The manufacturing technique is characterized in that the technique also comprises the follow working procedures: ultraviolet resistant powder is obtained by high temperature dispersion reaction, oscillation with a high efficiency magnetic wave oscillator and high velocity shearing, grinding and dissolution, and then, the powder accounting for 5 to 8 wt % of methyl cellulose is added to adhesives in the post-dissolution working procedure. The viscose fibres obtained by the technique has the advantages of excellent resistance to ultraviolet penetration, wash availability and durable ultraviolet resistance of textiles.
Description
The present invention relates to knit the field of spinning, is a kind of Unioresistant viscose fibre producing process.
The ultraviolet ray long-term irradiation can cause various harm to the people.Therefore, now existing anti-ultraviolet fabric comes out.Adopt clothes that this fabric makes, parachute kit etc. can hinder the direct irradiation of antiultraviolet to human body.But, because this anti-ultraviolet fabric is the technology that the uvioresistant raw material is applied to fabric surface in processing procedure, though, this technical process is simple, and production cost is low, still, this anti-ultraviolet fabric is not water-fast to be washed, and ultraviolet agent easily comes off, and makes fabric uvioresistant persistence poor.
The object of the present invention is to provide a kind of Unioresistant viscose fibre producing process, adopt the viscose of this fabrication process to have good uvioresistant penetration capacity, be not afraid of washing, fabric is durable, and the uvioresistant persistence is long.
The objective of the invention is to realize by following technical scheme:
A kind of Unioresistant viscose fibre producing process, it comprises drops into pulp raw material, dipping, squeezing, pulverizing, experienced, yellow, back dissolving, filtrations together, two road filtrations, deaeration, three road filtrations, spinning, drawing-off, cut-out, concise, oven dry, packs, it is characterized in that: also comprise through high temperature and disperse reaction, efficient magnetic wave oscillator vibration, high speed shear to grind dissolving and make granularity＜35nm, specific area:＞80m
2/ g, proportion: 1.10-1.25g/m
3The uvioresistant pulvis, with the 5-8% of uvioresistant pulvis by the fine weight of first, dissolution process adds in the viscose glue in the back.
At the 0.5-3% adding denaturant of pulverizing process by the fine weight of first.
Add denaturant at the back dissolution process by the fine weight 1-2% of first.
Add activating agent at the back dissolution process by the fine weight 1-2% of first.
Dipping dipping temperature 20-30 ℃ of operation, dip time 60-100min, concentration of lye 210-20g/l.
The fine content 31-33% of the first of squeezing process, caustic soda content 15-17%.
The temperature 20-30 of experienced operation ℃, DP500-600.
The H that the spinning acid of spinning process is molten
2SO
4: 80-110g/l, Na
2SO
4: 160-300g/l, ZnSO
4: 20-50g/l, bathe temperature: 35-45 ℃, advance, return H
2SO
4Drop:＜5g/l soaks length: 550-750mm.
The drafting multiple of drafting process, spinning head-drawing-off dish 0.9-1.20 times, drawing-off dish-boundling I 1.00-1.05 times, boundling I-boundling II 1.4-1.7 doubly.
Below in conjunction with drawings and Examples the present invention is further described.
Fig. 1 is the Unioresistant viscose fibre producing process flow chart.
With reference to Fig. 1, the Unioresistant viscose fibre producing process flow process is: drop into pulp raw material, dipping, squeezing, pulverizing, experienced, yellow, back dissolving, filtrations together, two road filtrations, deaeration, three road filtrations, spinning, drawing-off, cut-out, concise, oven dry, pack.This technology is common process, and what be different from common process is: after high temperature disperseed reaction, efficient magnetic wave oscillator vibration, high speed shear to grind dissolving, dissolution process added in the viscose glue in the back with the uvioresistant raw material.
Add denaturant at pulverizing, back dissolution process, dissolution process adds activating agent in the back.
The technological parameter that Unioresistant viscose fibre producing process of the present invention is identical with common process is:
(a) yellow: yellow time: 2h, CS
2: 35%
(b) back dissolving: back dissolution time: 3h, temperature 15-20 ℃.
(c) concise: a washing temperature: 40-50 ℃, alkali cleaning temperature: 60-70 ℃, alkali concn: 6-8g/l, two washing temperature: 45-55 ℃, acid concentration: 1.0-1.5g/l, pickling temperature: normal temperature, three wash temperature 40-50 ℃, last oil concentration: 6-8g/l, last oil temperature: normal temperature, concise time: 10-15min.
(d) oven dry: proparea bake out temperature: 80-90 ℃, middle district bake out temperature: 90-100 ℃, back zone bake out temperature: 90-95 ℃, drying time: 10-15min.
Unioresistant viscose fibre producing process of the present invention is different from conventional technological parameter:
(1) pulp (cotton pulp or wood pulp): the fine content of first＞=95%, average degree of polymerization (DP)＞=800.
(2) dipping: dipping temperature: 20-30 ℃, dip time: 60-100min, steeping liquor concentration: 210-240g/l.
(3) squeezing: the fine content 31-33% of first, NaOH content 15-17%.
(4) pulverize: (adopting acid-base neutralization variable color method), denaturant addition: the 0.5-3% of the fine weight of first.
(5) experienced: temperature: 20-30 ℃, DP:500-600.
(6) back dissolving: denaturant addition: the 1-2% of the fine weight of first, activating agent addition: 1-2%.
(7) spinning: the H that spinning acid is molten
2SO
4: 80-110g/l, Na
2SO
4: 160-300g/l, ZnSO
4: 20-50g/l, bathe temperature: 35-45 ℃, advance, return H
2SO
4Drop:＜5g/l soaks length: 550-750mm.
(8) drawing-off: drafting multiple, spinning head-drawing-off dish 0.9-1.20 times, drawing-off dish-boundling I 1.00-1.05 times, boundling I-boundling II 1.4-1.7 doubly.
(9) uvioresistant pulvis: the uvioresistant raw material disperses reaction through 200-1000 ℃ high temperature, at normal temperatures, through the efficient magnetic wave oscillator vibration of 3-5h, grind dissolving through high speed shear again and make granularity:＜35nm, specific area:＞80m/g, proportion: 1.10-1.25g/m
3The uvioresistant pulvis, by the 5-8% of the fine weight of first, dissolution process adds in the viscose glue in the back.
The needed raw material of Unioresistant viscose fibre producing process of the present invention: cotton pulp or wood pulp, sulfuric acid, zinc sulfate, sodium sulphate, carbon disulfide, caustic soda, hydrochloric acid, denaturant, activating agent and uvioresistant raw material all adopt prior art products.The uvioresistant raw material is produced by Taixing City's nano material factory of the Chinese Academy of Sciences, is the nanoscale ultraviolet (UV) resistant agent.
Utilize the examination of technology success of the present invention to spin the uvioresistant viscose.Spinning property is good, reaches 96% through detecting the spacious rate of ultraviolet screen, has good antiultraviolet and penetrates function, is suitable for making various summer clothes, and outdoor work personnel's clothes such as Work Clothes also are suitable for making apparatus such as parachute kit.
Claims (9)
1, a kind of Unioresistant viscose fibre producing process, it comprises drops into pulp raw material, dipping, squeezing, pulverizing, experienced, yellow, back dissolving, filtrations together, two road filtrations, deaeration, three road filtrations, spinning, drawing-off, cut-out, concise, oven dry, packs, it is characterized in that: also comprise through high temperature and disperse reaction, efficient magnetic wave oscillator vibration, high speed shear to grind dissolving and make granularity:＜35nm, specific area:＞80m
2/ g, proportion: 1.10-1.25g/m
3The uvioresistant pulvis, by the 5-8% of the fine weight of first, dissolution process adds in the viscose glue in the back.
2, Unioresistant viscose fibre producing process according to claim 1 is characterized in that: at the 0.5-3% adding denaturant of pulverizing process by the fine weight of first.
3, Unioresistant viscose fibre producing process according to claim 1 is characterized in that: add denaturant at the back dissolution process by the fine weight 1-2% of first.
4, according to claim 1 or 3 described Unioresistant viscose fibre producing process, it is characterized in that: add activating agent by the fine weight 1-2% of first at the back dissolution process.
5, Unioresistant viscose fibre producing process according to claim 1 is characterized in that: dipping dipping temperature 20-30 ℃ of operation, dip time 60-100min, concentration of lye 210-20g/l.
6, Unioresistant viscose fibre producing process according to claim 1 is characterized in that: the fine content 31-33% of the first of squeezing process, caustic soda content 15-17%.
7, Unioresistant viscose fibre producing process according to claim 1 is characterized in that: the temperature 20-30 of experienced operation ℃, and DP500-600.
8, Unioresistant viscose fibre producing process according to claim 1 is characterized in that: the H that the spinning acid of spinning process is molten
2SO
4: 80-110g/l, Na
2SO
4: 160-300g/l, ZnSO
4: 20-50g/l, bathe temperature: 35-45 ℃, advance, return H
2SO
4Drop:＜5g/l soaks length: 550-750mm.
9, Unioresistant viscose fibre producing process according to claim 1 is characterized in that: the drafting multiple of drafting process, spinning head-drawing-off dish 0.9-1.20 times, drawing-off dish-boundling I 1.00-1.05 times, boundling I-boundling II 1.4-1.7 doubly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00121876 CN1108402C (en) | 2000-08-05 | 2000-08-05 | Unioresistant viscose fibre producing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00121876 CN1108402C (en) | 2000-08-05 | 2000-08-05 | Unioresistant viscose fibre producing process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1337479A CN1337479A (en) | 2002-02-27 |
| CN1108402C true CN1108402C (en) | 2003-05-14 |
Family
ID=4588986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00121876 Expired - Lifetime CN1108402C (en) | 2000-08-05 | 2000-08-05 | Unioresistant viscose fibre producing process |
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| CN (1) | CN1108402C (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100359050C (en) * | 2004-11-16 | 2008-01-02 | 唐山三友集团化纤有限公司 | High whiteness and strength adhesive short fiber and process for making same |
| DE102008045290A1 (en) * | 2008-09-02 | 2010-03-04 | Thüringisches Institut für Textil- und Kunststoff-Forschung e.V. | Functional Cellulosic Moldings |
| CN101805933B (en) * | 2010-03-18 | 2011-11-09 | 戈宝绿业(深圳)有限公司 | Method for preparing apocynum venetum regenerated fibers |
| CN102101890A (en) * | 2010-12-28 | 2011-06-22 | 成都丽雅纤维股份有限公司 | Post dissolution process of viscose |
| CN103374764B (en) * | 2012-04-28 | 2016-06-15 | 上海韬鸿化工科技有限公司 | Pearl anti-ultraviolet fiber and preparation method thereof |
| CN104313719A (en) * | 2014-11-04 | 2015-01-28 | 常熟市新达纬编厂 | Uvioresistant fiber |
| CN104328522A (en) * | 2014-11-04 | 2015-02-04 | 常熟市新达纬编厂 | Preparation method of uvioresistant fiber |
-
2000
- 2000-08-05 CN CN 00121876 patent/CN1108402C/en not_active Expired - Lifetime
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| CN1337479A (en) | 2002-02-27 |
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Owner name: JILIN CHEMICAL FIBRE CO., LTD. Free format text: FORMER OWNER: HIGH-TECH DEVELOPMENT, JILIN CHEMICAL FIBER GROUP Effective date: 20060407 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20060407 Address after: 132102 No. nine, 516-1 Street station, Jilin, Jilin Patentee after: Jilin Chemical Fibres Co., Ltd. Address before: 132102 No. nine, 516-1 Street station, Jilin, Jilin Patentee before: High-Tech Development, Jilin Chemical Fiber Group |
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Granted publication date: 20030514 |