CN101580971A - High-strength viscose filament yarn and preparation method thereof - Google Patents
High-strength viscose filament yarn and preparation method thereof Download PDFInfo
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- CN101580971A CN101580971A CNA2009100154969A CN200910015496A CN101580971A CN 101580971 A CN101580971 A CN 101580971A CN A2009100154969 A CNA2009100154969 A CN A2009100154969A CN 200910015496 A CN200910015496 A CN 200910015496A CN 101580971 A CN101580971 A CN 101580971A
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- cellulose
- filament yarn
- viscose filament
- strength
- pulp
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- 229920000297 Rayon Polymers 0.000 title claims abstract description 37
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 229920002678 cellulose Polymers 0.000 claims abstract description 31
- 239000001913 cellulose Substances 0.000 claims abstract description 31
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 10
- 238000012545 processing Methods 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 9
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 4
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 4
- 229920000742 Cotton Polymers 0.000 claims abstract description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 4
- 229920001131 Pulp (paper) Polymers 0.000 claims abstract description 4
- 239000011425 bamboo Substances 0.000 claims abstract description 4
- 240000000111 Saccharum officinarum Species 0.000 claims abstract description 3
- 235000007201 Saccharum officinarum Nutrition 0.000 claims abstract description 3
- 244000082204 Phyllostachys viridis Species 0.000 claims abstract 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 47
- 238000009987 spinning Methods 0.000 claims description 19
- 239000003513 alkali Substances 0.000 claims description 14
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 10
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 10
- 230000032050 esterification Effects 0.000 claims description 8
- 238000005886 esterification reaction Methods 0.000 claims description 8
- 238000007670 refining Methods 0.000 claims description 8
- 239000012991 xanthate Substances 0.000 claims description 8
- 239000002253 acid Substances 0.000 claims description 6
- 230000001112 coagulating effect Effects 0.000 claims description 5
- 238000006477 desulfuration reaction Methods 0.000 claims description 5
- 230000023556 desulfurization Effects 0.000 claims description 5
- ZOOODBUHSVUZEM-UHFFFAOYSA-N ethoxymethanedithioic acid Chemical compound CCOC(S)=S ZOOODBUHSVUZEM-UHFFFAOYSA-N 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 5
- 238000005554 pickling Methods 0.000 claims description 5
- 150000003839 salts Chemical class 0.000 claims description 5
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 5
- 235000011152 sodium sulphate Nutrition 0.000 claims description 5
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 claims description 5
- 229960001763 zinc sulfate Drugs 0.000 claims description 5
- 229910000368 zinc sulfate Inorganic materials 0.000 claims description 5
- 240000007594 Oryza sativa Species 0.000 claims description 3
- 235000007164 Oryza sativa Nutrition 0.000 claims description 3
- 235000009566 rice Nutrition 0.000 claims description 3
- 238000002166 wet spinning Methods 0.000 claims description 2
- 239000000835 fiber Substances 0.000 abstract description 6
- 239000002759 woven fabric Substances 0.000 abstract 1
- 229920002488 Hemicellulose Polymers 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 238000005470 impregnation Methods 0.000 description 3
- 238000012805 post-processing Methods 0.000 description 3
- 238000010298 pulverizing process Methods 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 2
- 238000007598 dipping method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000006424 Flood reaction Methods 0.000 description 1
- 238000002803 maceration Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
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Abstract
The invention discloses a high-strength viscose filament yarn and a preparation method thereof. The high-strength viscose filament yarn is a viscose filament yarn of which the dry strength is between 2.5 and 3.5 cN/dtex and the wet strength is between 1.3 and 1.8 cN/dtex; and the method for preparing the high-strength viscose filament yarn adopts cellulose pulp of which the polymerization degree is between 450 and 1,000 and the alpha-cellulose content is more than or equal to 95 percent to prepare the viscose filament yarn of which the dry strength is between 2.5 and 3.5 cN/dtex and the wet strength is between 1.3 and 1.8 cN/dtex through processing, wherein the cellulose pulp is one or a combination of more than two of cotton pulp, wood pulp, bamboo pulp, and sugar cane pulp. By adopting the technical proposal, the produced high-strength viscose filament yarn not only has the performance of the common fiber but also increases the fiber strength and is not easy to generate broken ends in the course of processing, and a woven fabric is not easy to deform and has good dimensional stability.
Description
Technical field
The present invention relates to the chemical fibre technical field, relate in particular to a kind of preparation method of viscose filament yarn.
Background technology
Viscose filament yarn is that present people use a kind of very widely textile fabric, common viscose filament yarn has the good wearability and the scope of application widely, but in last machining process because powerful low reason often produces the broken end phenomenon, and fabric is yielding, characteristics such as poor dimensional stability.
Summary of the invention
Technical problem to be solved by this invention provides a kind of high-strength viscose filament yarn and preparation method thereof.
For solving the problems of the technologies described above, technical scheme of the present invention is: a kind of high-strength viscose filament yarn, be to adopt that the degree of polymerization is 450～1000, the cellulose pulp of alpha-cellulose mass content 〉=95% is made after processing and done strong 2.5～3.5cN/dtex, wet is by force the viscose filament yarn of 1.3～1.8cN/dtex.
Described cellulose pulp is one or two or more kinds the combination in the cotton pulp dregs of rice, wood pulps, bamboo pulp and the sugarcane pulp.
A kind of preparation method of high-strength viscose filament yarn adopts that the degree of polymerization is 450～1000, the cellulose pulp of alpha-cellulose content 〉=95% is made and done strong 2.5～3.5cN/dtex after processing, wet is by force the viscose filament yarn of 1.3～1.8cN/dtex.
Described processing is that the employing degree of polymerization is 450～100, the cellulose pulp of alpha-cellulose mass content 〉=95% floods alkalization 0.4～4 hour in the NaOH of 195～260g/l solution, half fiber content≤5% in the maceration extract, and alpha-cellulose mass content 26.5～33.5% is made in the squeezing pulverizing, the alkali cellulose of NaOH mass content 13～20%, afterwards described alkali cellulose was descended experienced 0.3～16 hour at 20～45 ℃, obtain alpha-cellulose mass content 25～35% mass content, the alkali cellulose of NaOH mass content 13～25% is then to the CS of the alkali cellulose after experienced with relative alpha-cellulose weight 35～65%
2Yellow 2～6 hours generates cellulose xanthate, and is dissolved to alpha-cellulose mass content 4.5～10.0%, NaOH mass content 4.5～10.0%, viscosity (falling ball method) 50～300S, degree of ripeness (NH
4Cl mass content 10% value) be 8.0～38ml, esterification degree is 35～65, and it is fine than being 0.9～1.2 to control alkali; Adopt the wet spinning moulding, wherein through sulfuric acid 45～160g/l, zinc sulfate 19～90g/l that spray orifice is pressed into, sodium sulphate 90～350g/l, be after 20～45 ℃ the coagulating bath spinning again through making high-strength viscose filament yarn behind drawing-off, the concise and baking operation through bath temperature.
Described draft process is: the shower nozzle drawing-off for-20～60%, between dish drawing-off be 10～40%, solidify between roller and the acid removing roller be 0～80%, spinning speed is 40～120m/min.
Desulfurization is the NaOH solution that adopts 1～25g/l down at 50～95 ℃ in the described refining; The salt pickling is the HCI solution that adopts 0.1～3.5g/l down at 35～65 ℃.
Owing to adopted technique scheme, the high-strength viscose filament yarn of production had both had the performance of general fibre, had increased fiber strength again, was difficult for producing broken end in process, and the fabric that is made into is not yielding, and DIMENSIONAL STABILITY is good.
The specific embodiment
Below in conjunction with the specific embodiment, further set forth the present invention.Should be understood that these embodiment only to be used to the present invention is described and be not used in and limit the scope of the invention.Should be understood that in addition those skilled in the art can make various changes or modifications the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
Embodiment 1
Adopt the degree of polymerization 800, the alpha-cellulose content 96.5% cotton pulp dregs of rice, the NaOH of 240g/l solution impregnation alkalization 0.4 hour, make the dipping used solution in hemicellulose level be 3%, generate alkali cellulose, after pulverizing, squeezing descended experienced 8 hours at 35 ℃, obtain the alkali cellulose that contains alpha-cellulose 29%, contain NaOH18%, adopt relative alpha-cellulose amount 35%CS
2React 2 hours generation cellulose xanthates, make alpha-cellulose 9.8%, NaOH5.9%, viscosity (falling ball method) 65S, degree of ripeness (10%NH
4The CI value) 18ml, the viscose glue esterification degree is 35 high esterification degree, the cellulose xanthate spinning solution of high degree of ripeness, wet moulding is adopted in spinning, spinning solution is pressed into sulfuric acid 95g/l through spinning head, zinc sulfate 35g/l, sodium sulphate 200g/l forms, in the coagulating bath that bath temperature is 25 ℃, then through the drawing-off dish, solidify roller, acid removing roller also will make long filament through the post processing refining processing, NaOH is adopted in concise desulfurization, its concentration 22g/l, 50 ℃ of temperature, HCl is adopted in the pickling of refining salt, its concentration 0.26g/l, 50 ℃ of temperature, bake drying afterwards, be processed into tube and obtain the finished product high-strength viscose filament yarn, the Physical Mechanical ability of gained high-strength viscose filament yarn is by force at 2.9cN/dtex, and wet is 1.5cN/dtex by force.
Embodiment 2
Adopt the degree of polymerization 500, alpha-cellulose content 〉=95.7% wood pulps, the NaOH of 200g/l solution impregnation alkalization 0.6 hour, and make the dipping used solution in hemicellulose level be 3.9%, generate alkali cellulose, after pulverizing, squeezing descended experienced 0.3 hour at 40 ℃, obtain the alkali cellulose that contains alpha-cellulose 34.2%, contain NaOH18.3%, add the CS of relative alpha-cellulose amount 44%
2React 2.5 hours generation cellulose xanthates, obtain containing alpha-cellulose 4.8%, NaOH4.5%, viscosity (falling ball method) 65S, degree of ripeness (10%NH
4The CI value) 35ml, viscose glue esterification degree are the cellulose xanthate spinning solution of 46 high esterification degree, high degree of ripeness.Wet moulding is adopted in spinning, spinning solution is pressed into sulfuric acid 110g/l through spinning head, zinc sulfate 19.5g/l, sodium sulphate 300g/l forms, in the coagulating bath that bath temperature is 45 ℃, then through the drawing-off dish, solidify roller, acid removing roller also will make long filament through the post processing refining processing, wherein the shower nozzle drawing-off is 40%, drawing-off is 30% between dish, solidify between roller and the acid removing roller is 40%, spinning speed is 80m/min, NaOH is adopted in desulfurization, its concentration 3g/l, 95 ℃ of temperature, HCl, its concentration 0.10g/l are adopted in the pickling of refining salt, 65 ℃ of temperature, bake drying obtains the finished product high-strength viscose filament yarn, obtains high-strength viscose filament yarn and does strong 3.0cN/dtex, and wet is 1.6cN/dtex by force.
Embodiment 3
Adopt the degree of polymerization 750, alpha-cellulose content 96% bamboo pulp, the NaOH of 260g/l solution impregnation alkalization 0.8 hour, flood that hemicellulose level is 1.5% in the used alkali lye, generate alkali cellulose, after squeezing, obtained down the alkali cellulose that contains alpha-cellulose 28%, contain NaOH13% in experienced 12 hours, add relative alpha-cellulose amount 40%CS at 45 ℃
2React 6 hours generation cellulose xanthates, obtain chemical cellulose 8.7%, NaOH5.6%, viscosity (falling ball method) 95S, degree of ripeness (10%NH
4The CI value) 33ml, the viscose glue esterification degree is the cellulose xanthate spinning solution of 55 high esterification degree, high degree of ripeness, wet moulding is adopted in spinning, spinning solution is pressed into sulfuric acid 140g/l, zinc sulfate 45g/l, sodium sulphate 270g/l composition through spinning head, in the coagulating bath that bath temperature is 29 ℃, then through the drawing-off dish, solidify roller, acid removing roller and will make long filament through the post processing refining processing.Wherein NaOH, its concentration 4.2g/l, 80 ℃ of temperature are adopted in desulfurization, HCl, its concentration 1.2g/l, 50 ℃ of temperature are adopted in the pickling of refining salt, bake drying obtains the finished product high-strength viscose filament yarn, obtains high-strength viscose filament yarn and does strong 2.8cN/dtex, and wet is 1.4cN/dtex by force.
Claims (6)
1. high-strength viscose filament yarn, it is characterized in that: described high-strength viscose filament yarn is to adopt the spinning solution that the degree of polymerization is 450～1000, the cellulose pulp of alpha-cellulose mass content 〉=95% is made to make after spinning, the dried strong 2.5～3.5cN/dtex of viscose filament yarn, wet is by force 1.3～1.8cN/dtex.
2. high-strength viscose filament yarn as claimed in claim 1 is characterized in that: described cellulose pulp is one or two or more kinds the combination in the cotton pulp dregs of rice, wood pulps, bamboo pulp and the sugarcane pulp.
3. the preparation method of a high-strength viscose filament yarn, it is characterized in that: adopt that the degree of polymerization is 450～1000, the cellulose pulp of alpha-cellulose content 〉=95% is made after processing and done strong 2.5～3.5cN/dtex, wet is by force the viscose filament yarn of 1.3～1.8cN/dtex.
4. the preparation method of high-strength viscose filament yarn as claimed in claim 3, it is characterized in that: described processing is to adopt that the degree of polymerization is 450～1000, the cellulose pulp of alpha-cellulose mass content 〉=95% flood in the NaOH of 195～260g/l solution and alkalized 0.4～4 hour, and squeezing, descended experienced 0.3～16 hour at 20～45 ℃ afterwards, obtain the alkali cellulose of alpha-cellulose mass content 25～35%, NaOH mass content 13～25%, then to the CS of alkali cellulose with relative alpha-cellulose weight 35～65%
2Yellow 2～6 hours generates cellulose xanthate, and is dissolved to alpha-cellulose mass content 4.5～10.0%, NaOH mass content 4.5～10.0%, 10%NH
4CI value degree of ripeness is 8.0～38ml, and esterification degree is 35～65; Adopt the wet spinning moulding, wherein sulfuric acid 45～160g/l, zinc sulfate 19～90g/l, sodium sulphate 90～350g/l, be after 20～45 ℃ the coagulating bath spinning again through making high-strength viscose filament yarn behind drawing-off, the concise and baking operation through bath temperature.
5. the preparation method of high-strength viscose filament yarn as claimed in claim 4, it is characterized in that: described draft process is: the shower nozzle drawing-off for-20～60%, between dish drawing-off be 10～40%, solidify between roller and the acid removing roller be 0～80%, spinning speed is 40～120m/min.
6. as the preparation method of claim 4 or 5 described high-strength viscose filament yarns, it is characterized in that: desulfurization is the NaOH solution that adopts 1～25g/l down at 50～95 ℃ in the described refining; The salt pickling is the HCI solution that adopts 0.1～3.5g/l down at 35～65 ℃.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2009100154969A CN101580971A (en) | 2009-05-30 | 2009-05-30 | High-strength viscose filament yarn and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100154969A CN101580971A (en) | 2009-05-30 | 2009-05-30 | High-strength viscose filament yarn and preparation method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101864607A (en) * | 2010-06-23 | 2010-10-20 | 东华大学 | Method for preparing hydroxyethyl cellulose |
| CN102296373A (en) * | 2011-08-12 | 2011-12-28 | 山东海龙股份有限公司 | Method for producing superfine high-strength high-modulus viscose fiber |
| CN102337604A (en) * | 2011-01-30 | 2012-02-01 | 唐山三友集团兴达化纤有限公司 | Method for producing modal fiber from cotton pulp |
| CN102409461A (en) * | 2011-09-26 | 2012-04-11 | 宜宾海丝特纤维有限责任公司 | Method for preparing embroidery threads by using wet spinning cakes |
| CN102586919A (en) * | 2012-03-07 | 2012-07-18 | 江苏金太阳纺织科技有限公司 | Dimensionality-stable regenerated cellulose fiber and preparation method thereof |
| CN103668518A (en) * | 2012-09-21 | 2014-03-26 | 江苏蓝品纤维科技发展有限公司 | Aramid fiber and functional fiber prepared therefrom |
| CN104831393A (en) * | 2015-05-27 | 2015-08-12 | 宜宾丝丽雅集团有限公司 | Extinction type high-strength viscose fiber and preparation method and application thereof |
| CN107313123A (en) * | 2016-11-23 | 2017-11-03 | 武汉纺织大学 | A kind of polynosic fibre and preparation method thereof |
| CN108842208A (en) * | 2018-07-19 | 2018-11-20 | 赛得利(九江)纤维有限公司 | A kind of preparation method of high quality black fiber cellulose fiber |
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2009
- 2009-05-30 CN CNA2009100154969A patent/CN101580971A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101864607A (en) * | 2010-06-23 | 2010-10-20 | 东华大学 | Method for preparing hydroxyethyl cellulose |
| CN102337604A (en) * | 2011-01-30 | 2012-02-01 | 唐山三友集团兴达化纤有限公司 | Method for producing modal fiber from cotton pulp |
| CN102337604B (en) * | 2011-01-30 | 2013-10-02 | 唐山三友集团兴达化纤有限公司 | Method for producing modal fiber from cotton pulp |
| CN102296373A (en) * | 2011-08-12 | 2011-12-28 | 山东海龙股份有限公司 | Method for producing superfine high-strength high-modulus viscose fiber |
| CN102409461A (en) * | 2011-09-26 | 2012-04-11 | 宜宾海丝特纤维有限责任公司 | Method for preparing embroidery threads by using wet spinning cakes |
| CN102409461B (en) * | 2011-09-26 | 2014-02-26 | 宜宾海丝特纤维有限责任公司 | Method for preparing embroidery threads by using wet spinning cakes |
| CN102586919A (en) * | 2012-03-07 | 2012-07-18 | 江苏金太阳纺织科技有限公司 | Dimensionality-stable regenerated cellulose fiber and preparation method thereof |
| CN102586919B (en) * | 2012-03-07 | 2014-07-02 | 江苏金太阳纺织科技有限公司 | Dimensionality-stable regenerated cellulose fiber and preparation method thereof |
| CN103668518A (en) * | 2012-09-21 | 2014-03-26 | 江苏蓝品纤维科技发展有限公司 | Aramid fiber and functional fiber prepared therefrom |
| CN104831393A (en) * | 2015-05-27 | 2015-08-12 | 宜宾丝丽雅集团有限公司 | Extinction type high-strength viscose fiber and preparation method and application thereof |
| CN107313123A (en) * | 2016-11-23 | 2017-11-03 | 武汉纺织大学 | A kind of polynosic fibre and preparation method thereof |
| CN108842208A (en) * | 2018-07-19 | 2018-11-20 | 赛得利(九江)纤维有限公司 | A kind of preparation method of high quality black fiber cellulose fiber |
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Open date: 20091118 |