CN104153037A - Preparation method of polyurethane elastic fiber with moisture absorption and moisture liberation performance - Google Patents
Preparation method of polyurethane elastic fiber with moisture absorption and moisture liberation performance Download PDFInfo
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- CN104153037A CN104153037A CN201410396102.XA CN201410396102A CN104153037A CN 104153037 A CN104153037 A CN 104153037A CN 201410396102 A CN201410396102 A CN 201410396102A CN 104153037 A CN104153037 A CN 104153037A
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- fibroin albumen
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Abstract
The invention relates to a preparation method of a polyurethane elastic fiber with moisture absorption and moisture liberation performance. The method is as below: 1) successively conducting a prepolymerization reaction, a chain extension reaction and a chain termination reaction on raw materials of polytetramethylene ether glycol PTMG and diphenylmethane-4,4'diisocyanate 4,4'-MDI to obtain a polyurethane urea stoste; 2) grinding and dispersing a natural macromolecular fibroin powder in an organic solvent dimethylacetamide DMAC to obtain a fibroin suspension; 3) measuring and mixing the polyurethane urea stoste and fibroin suspension at the same time in a static mixer to form a spandex blended spinning solution; and 4) conducting spurting and filament stretching on the prepared spandex blended spinning solution by a dry method spinning system, and evaporating and drying the solvent, so as to obtain the polyurethane elastic fiber with moisture absorption and moisture liberation performance. Compared with conventional polyurethane elastic fiber, the product prepared by the invention has significantly improved moisture absorption and moisture liberation performance.
Description
Technical field
The present invention relates to a kind of preparation method with the polyurethane elastomeric fiber of humidity absorption and release performance, belong to high molecule spinning material and preparing technical field thereof.
Background technology
Spandex is the segmented copolymer that a kind of soft or hard section replaces, and has that elasticity is recovered, elongation at break advantages of higher, can be for the manufacture of various swimming suits, underwear, jeans, elastic woven tape etc.But because spandex is not containing hydrophilic radical, fiber surface is smooth, cause its moisture pick-up properties poor, and its hydrophobicity makes it in hygroscopicity, require the application of high field of textiles to be restricted.
Natural silk fibroin derives from silk, is a kind of natural macromolecule, nontoxic, non-stimulated, has good biocompatibility, biodegradability, and the clothes of being made by it are not only soft, and comfortable and easy to wear.Meanwhile, fibroin albumen is processed and can be obtained different forms through different processing, as solution, fiber, powder, film etc.As Chinese patent CN1560136A discloses a kind of method of manufacturing fibroin particle with silk, adopt the method can prepare nanoscale fibroin particle, particle mean size 30～60nm.With regard to its chemical constitution, fibroin albumen, as a kind of natural polymer, contains a plurality of polar groups such as carboxyl, amino, hydroxyl, thereby has good water absorbing properties, has certain application improving aspect the hydrophily of other synthesized polymer materials.As Chinese patent CN102357347N discloses a kind of preparation method of modified polyacrylonitrile film, this patent fully mixes masking by film forming matrix polyacrylonitrile and the natural polymer fibroin albumen that contains hydrophilic radical, and prepared film hydrophilic effect is improved good.
At present, the common method of synthetic fiber hydrophilic modifying comprises surface modification, grafting, copolymerization and blend etc.The method of grafting and copolymerization will be passed through complicated chemical reaction, implements more difficult.And blending and modifying is easier to realize at industrial ratio.
Summary of the invention
Technical problem: the object of the present invention is to provide a kind of preparation method with the polyurethane elastomeric fiber of humidity absorption and release performance.This fiber is by polyurethaneurea polymer and the blend of fibroin albumen powder, then through dry spinning, is prepared from, and has good humidity absorption and release performance.
Technical scheme: a kind of preparation method with the polyurethane elastomeric fiber of humidity absorption and release performance provided by the invention comprises following several step:
1): with PTMG PTMG and diphenyl methane-4,4 ' vulcabond 4,4 '-MDI is base stock, first by prepolymerization reaction, chain extending reaction and chain termination reaction, obtains polyurethane-urea stoste;
2): natural polymer fibroin albumen powder is carried out to grinding distribution in organic solvent dimethylacetylamide DMAC, obtain fibroin albumen suspension;
3): described polyurethane-urea stoste, fibroin albumen suspension are metered in static mixer and are mixed simultaneously, form spandex co-blended spinning liquid;
4): the spandex co-blended spinning liquid by preparation, by dry spinning system, shoots out, is drawn into silk to spinning solution, and along with solvent evaporates, dry, obtain having the polyurethane elastomeric fiber of humidity absorption and release performance.
The mass concentration of the fibroin albumen suspension step 2) is 2%～15%, and the granularity of fibroin albumen powder is less than 1 μ m.
Step 3) the fibroin albumen powder in the spandex co-blended spinning liquid described in and the weight ratio of polyurethaneurea polymer are 5:95～20:80.
Described spandex co-blended spinning liquid apparent viscosity at 40 ℃ is 3500～5000 pools.
Beneficial effect: the polyurethane elastomeric fiber with humidity absorption and release performance that the present invention is prepared is compared with existing fiber, and tool has the following advantages and effect:
(1) the prepared product of the present invention has good humidity absorption and release performance, has changed the hydrophobic characteristic of conventional spandex fiber.
(2) the present invention adopts the modification of natural polymer silk fibroin powder foot couple polyurethane-urea stoste, with artificial synthetic water-absorbing resin class Polymers Phase ratio, has that source is wide, material is simple and easy to get, with low cost and the advantage such as degradable.
The specific embodiment
With example, describe the present invention in detail below, but these examples must not be interpreted as and go up in all senses limitation of the present invention.
Embodiment 1:
(1) by 750 grams of PTMG and diphenyl methane-4,4 ' 172 grams of vulcabond are placed in reactor, at 86 ± 2 ℃ of reaction 120min, obtain isocyanate-terminated prepolymer, then add the dimethylacetylamide of 1.36Kg to dissolve prepolymer formation solution; Then in pre-polymer solution, add by 2.3 gram 1 while stirring, 2-propane diamine, 17 grams of ethylenediamines, 0.3 gram of diethylamine are dissolved in formed amine mixed solution in 713 grams of dimethylacetylamides, carry out chain extending reaction and chain termination reaction, obtain polyurethane-urea stoste;
(2) grind by 100 grams of fibroin albumen powder, 900 grams of mixtures that dimethylacetylamide forms, make it to become uniform suspension;
(3) polyurethane-urea stoste, fibroin albumen suspension are metered in static mixer and are mixed simultaneously, form spandex co-blended spinning liquid, wherein the weight ratio of fibroin albumen powder and polyurethaneurea polymer is 5:95;
(4) by the spandex co-blended spinning liquid of preparation, by dry spinning system, spinning solution is shootd out, is drawn into silk, along with solvent evaporates, dry, obtain the polyurethane elastomeric fiber that 40D has humidity absorption and release performance.
Embodiment 2:
Preparation process is with embodiment 1, and difference is that it is 10:90 that step (3) is controlled the weight ratio of fibroin albumen powder and polyurethaneurea polymer.
Embodiment 3:
Preparation process is with embodiment 1, and difference is that it is 20:80 that step (3) is controlled the weight ratio of fibroin albumen powder and polyurethaneurea polymer.
Comparative example 1:
Preparation process is with embodiment 1, and difference is not add in polyurethane-urea stoste fibroin albumen powder.
By above embodiment and comparative example, obtain following test data:
The method of testing of various performances of the present invention.
1) the humidity absorption and release rate of spandex fibre:
A certain amount of spandex fibre sample is dried to constant weight in 105 ℃, rapidly weigh W
0; Then under 20 ℃ * 65%RH (the temperature and humidity condition based on supposition is close to average annual indoor environment) environment, place after 24h, rapidly weigh W
1; Again sample is transferred under 34 ℃ * 90%RH (temperature and humidity when the temperature and humidity condition based on supposition is equivalent to people and wears the clothes during summer between human body and clothes) condition and placed after 30min, rapidly weigh W
2; Weigh W
2after, sample is placed after 24h under 34 ℃ * 90%RH condition, rapidly weigh W
3; Sample is transferred under 20 ℃ * 65%RH condition and placed after 30min again, rapidly weigh W
4.Calculate according to the following formula humidity absorption and release rate:
Hydroscopicity (%)=[(W
2-W
1)/W
0] * 100
Moisture releasing rate (%)=[(W
3-W
4)/W
0] * 100
2) ultimate strength of spandex fibre, elongation at break:
With automatic tensile tester, measuring sample initial length is 50mm, and draw speed is fracture strength and the elongation at break of spandex thread under 500mm/min.
Claims (4)
1. a preparation method with the polyurethane elastomeric fiber of humidity absorption and release performance, is characterized in that this preparation method comprises following several step:
1): with PTMG PTMG and diphenyl methane-4,4 ' vulcabond 4,4 '-MDI is base stock, first by prepolymerization reaction, chain extending reaction and chain termination reaction, obtains polyurethane-urea stoste;
2): natural polymer fibroin albumen powder is carried out to grinding distribution in organic solvent dimethylacetylamide DMAC, obtain fibroin albumen suspension;
3): described polyurethane-urea stoste, fibroin albumen suspension are metered in static mixer and are mixed simultaneously, form spandex co-blended spinning liquid;
4): the spandex co-blended spinning liquid by preparation, by dry spinning system, shoots out, is drawn into silk to spinning solution, and along with solvent evaporates, dry, obtain having the polyurethane elastomeric fiber of humidity absorption and release performance.
2. the preparation method with the polyurethane elastomeric fiber of humidity absorption and release performance according to claim 1, is characterized in that step 2) described in the mass concentration of fibroin albumen suspension be 2% ~ 15%, the granularity of fibroin albumen powder is less than 1 μ m.
3. the preparation method with the polyurethane elastomeric fiber of humidity absorption and release performance according to claim 1, is characterized in that fibroin albumen powder in the spandex co-blended spinning liquid described in step 3) and the weight ratio of polyurethaneurea polymer are 5:95 ~ 20:80.
4. the preparation method with the polyurethane elastomeric fiber of humidity absorption and release performance according to claim 1, is characterized in that described spandex co-blended spinning liquid apparent viscosity at 40 ℃ is 3500 ~ 5000 pools.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104878473A (en) * | 2015-05-28 | 2015-09-02 | 浙江华峰氨纶股份有限公司 | Skin-friendly polyurethane fiber and manufacturing method thereof |
| CN104888267A (en) * | 2015-05-25 | 2015-09-09 | 浙江华峰氨纶股份有限公司 | Medicinal bleeding-stopping spandex fiber fabric and preparation method thereof |
| CN107012532A (en) * | 2017-05-24 | 2017-08-04 | 浙江华峰氨纶股份有限公司 | A kind of preparation method of mosquito repellent spandex |
| CN109667059A (en) * | 2018-12-28 | 2019-04-23 | 佛山科学技术学院 | A kind of molten spray Preparation Method of fibroin albumen bioengineered tissue bracket |
| CN111074375A (en) * | 2019-12-24 | 2020-04-28 | 苏州米飒运动科技有限公司 | Composition and heat-generating fiber |
| CN111635700A (en) * | 2020-06-04 | 2020-09-08 | 清远市宏图助剂有限公司 | Efficient anti-cracking polishing solution and using method thereof |
| CN114045574A (en) * | 2021-11-15 | 2022-02-15 | 华峰化学股份有限公司 | Preparation method of skin-friendly polyurethane elastic fiber |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6916896B2 (en) * | 2003-05-05 | 2005-07-12 | Invista North America S.A.R.L. | High productivity spandex fiber process and product |
| CN1687493A (en) * | 2005-03-25 | 2005-10-26 | 东南大学 | Method for preparing nano fiber endless tow |
| CN102357347A (en) * | 2011-10-27 | 2012-02-22 | 天津工业大学 | Preparation method of modified polyacrylonitrile film |
| CN102899739A (en) * | 2012-11-09 | 2013-01-30 | 浙江华峰氨纶股份有限公司 | Method for preparing black polyurethane elastic fiber via in situ polymerization |
| CN102899740A (en) * | 2012-11-09 | 2013-01-30 | 浙江华峰氨纶股份有限公司 | Method for preparing low-temperature finalizing polyurethane elastic fiber |
| CN103710786A (en) * | 2013-12-18 | 2014-04-09 | 浙江华峰氨纶股份有限公司 | Preparation method of polyurethane raw liquid for high-speed spinning |
-
2014
- 2014-08-13 CN CN201410396102.XA patent/CN104153037B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6916896B2 (en) * | 2003-05-05 | 2005-07-12 | Invista North America S.A.R.L. | High productivity spandex fiber process and product |
| CN1687493A (en) * | 2005-03-25 | 2005-10-26 | 东南大学 | Method for preparing nano fiber endless tow |
| CN102357347A (en) * | 2011-10-27 | 2012-02-22 | 天津工业大学 | Preparation method of modified polyacrylonitrile film |
| CN102899739A (en) * | 2012-11-09 | 2013-01-30 | 浙江华峰氨纶股份有限公司 | Method for preparing black polyurethane elastic fiber via in situ polymerization |
| CN102899740A (en) * | 2012-11-09 | 2013-01-30 | 浙江华峰氨纶股份有限公司 | Method for preparing low-temperature finalizing polyurethane elastic fiber |
| CN103710786A (en) * | 2013-12-18 | 2014-04-09 | 浙江华峰氨纶股份有限公司 | Preparation method of polyurethane raw liquid for high-speed spinning |
Non-Patent Citations (1)
| Title |
|---|
| 夏建明: "《纺织品功能性整理的发展》", 《第三届纺织涂层、复合、功能纺织品技术交流会论文集》 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104888267A (en) * | 2015-05-25 | 2015-09-09 | 浙江华峰氨纶股份有限公司 | Medicinal bleeding-stopping spandex fiber fabric and preparation method thereof |
| CN104878473A (en) * | 2015-05-28 | 2015-09-02 | 浙江华峰氨纶股份有限公司 | Skin-friendly polyurethane fiber and manufacturing method thereof |
| CN107012532A (en) * | 2017-05-24 | 2017-08-04 | 浙江华峰氨纶股份有限公司 | A kind of preparation method of mosquito repellent spandex |
| CN109667059A (en) * | 2018-12-28 | 2019-04-23 | 佛山科学技术学院 | A kind of molten spray Preparation Method of fibroin albumen bioengineered tissue bracket |
| CN109667059B (en) * | 2018-12-28 | 2022-01-07 | 佛山科学技术学院 | Method for preparing silk fibroin biological tissue engineering scaffold by solvent spraying |
| CN111074375A (en) * | 2019-12-24 | 2020-04-28 | 苏州米飒运动科技有限公司 | Composition and heat-generating fiber |
| CN111635700A (en) * | 2020-06-04 | 2020-09-08 | 清远市宏图助剂有限公司 | Efficient anti-cracking polishing solution and using method thereof |
| CN111635700B (en) * | 2020-06-04 | 2021-09-17 | 清远市宏图助剂有限公司 | Efficient anti-cracking polishing solution and using method thereof |
| CN114045574A (en) * | 2021-11-15 | 2022-02-15 | 华峰化学股份有限公司 | Preparation method of skin-friendly polyurethane elastic fiber |
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Address after: No. 1788, Dongshan Economic Development Zone, Ruian, Wenzhou, Zhejiang Patentee after: Huafeng Chemical Co.,Ltd. Address before: No. 1788, Dongshan Economic Development Zone, Ruian, Wenzhou, Zhejiang Patentee before: ZHEJIANG HUAFENG SPANDEX Co.,Ltd. |
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