CN103498208B - Thermal storage fiber and preparation method thereof - Google Patents
Thermal storage fiber and preparation method thereof Download PDFInfo
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- CN103498208B CN103498208B CN201310446000.XA CN201310446000A CN103498208B CN 103498208 B CN103498208 B CN 103498208B CN 201310446000 A CN201310446000 A CN 201310446000A CN 103498208 B CN103498208 B CN 103498208B
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/44—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds
- D01F6/54—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polymers of unsaturated nitriles
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/06—Wet spinning methods
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- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Artificial Filaments (AREA)
Abstract
A kind of thermal storage fiber, is characterized in: diameter is dispersed in the fiber made with the copolymer powder that acrylonitrile and vinyl acetate are formed at the accumulation of heat powder of 0.1 ~ 1 μm, and the mass ratio of accumulation of heat powder and fiber is 0.5 ~ 2:98 ~ 99.5.Its preparation method comprises: the production of copolymer powder, the preparation of spinning solution and spinning solution are again through temperature-adjustment pressure-adjustment, filter, spinning, be that 0.5 ~ 2:98 ~ 99.5 join in spinning solution at the accumulation of heat powder of 0.1 ~ 1 μm by the mass ratio of accumulation of heat powder and fiber by diameter in spinning process, through spinning after dynamic mixer 1400rpm powerful mixing is even, through coagulating bath, coagulating bath is dimethylacetamide amine aqueous solution, its concentration is 40 ~ 55wt%, temperature is 38 ~ 50 DEG C, double diffusion is shaping, through washing, drawing-off, oil, dry, curling, its drafting multiple is 4 ~ 7 times, by 200 ~ 330KPa sizing pressure shaping, obtained thermal storage fiber finished product.Its thermal storage fiber function admirable, environmental protection, is conducive to health, and accumulation of heat is effective; Preparation method's simple possible, production efficiency is high, easily controls.
Description
Technical field
The invention belongs to textile technology field, specifically, is a kind of thermal storage fiber and preparation method thereof.
Background technology
In recent years, in the world for body-building clothes, sweat shirt, Casual Wear etc. fiber consumption figure and increase severely in year, wherein, particularly comfortable and easy to wear and warming for the requirement of winter sports clothes, so at present existing much about the exploitation of moisture-inhibiting, the Fresh fats goods such as warming, mainly through following two kinds of method production moisture-inhibitings, warmth retention property fiber and its products: one, given by the method for Final finishing, fibre is made to have moisture-inhibiting, heat-preserving function as carried out poisture-penetrability coating or press mold at Ji Bushang and imposing hydrophobic processing (as coating or tax film) etc. to high-density fabric; Two, by adding the additive with heat accumulation function in fiber production process, as metal or metal oxides such as zirconium carbide, ceramic, iron powder or ATO powders, by burning heat release or absorb sunshine and human body heat energy thus make fiber and its products have moisture-inhibiting, heat-preserving function, but its warming effect is not ideal enough, poor durability.
The common thermal storage fiber additive in present market mainly contains following two kinds, and one is made up of zirconium carbide and ceramic differential, but due to zirconium carbide poor chemical stability, meets water decomposition, be dissolved in acid, and causes fiber accumulation of heat effect can not be lasting; Another kind is the ATO powder with ATO powder or GTO(modification) for additive, but due to addition large (on fiber, content is about 11% greatly), index in fibre object is caused obviously to decline, and due to powder content high, powder easily comes off, and causing fiber accumulation of heat effect can not be lasting, this quasi-metal oxides of human body Long Term Contact also can be unhealthful.
Summary of the invention
The object of the invention is to solve prior art Problems existing, provide a kind of function admirable, environmental protection, be conducive to health, the accumulation of heat thermal fiber that accumulation of heat is effective; And simple possible is provided, production efficiency is high, holds manageable preparation method.
Technical scheme of the present invention is to provide a kind of thermal storage fiber, it is characterized in that: diameter is dispersed in the fiber made with the copolymer powder that acrylonitrile and vinyl acetate are formed at the accumulation of heat powder of 0.1 ~ 1 μm, and the mass ratio of accumulation of heat powder and fiber is 0.5 ~ 2:98 ~ 99.5.
The present invention also provides the preparation method of thermal storage fiber, it is characterized in that, concrete steps are as follows:
(1) production of copolymer powder: by 92 ~ 94wt% acrylonitrile, the two kinds of monomer mixing of 6 ~ 8wt% vinyl acetate, and its mixed concentration is adjusted to 30 ~ 40wt%, in 58 ~ 62 DEG C, pH carries out aqueous-phase suspending copolyreaction 2.5 ~ 3.5 times continuously; Reacted copolymer powder stops through chelatropic reaction, deviates from unreacted monomer with stripper, then through water washed filter removing salinity, moisture, through drying the copolymer powder obtaining being formed by acrylonitrile and vinyl acetate after granulating and forming;
(2) preparation of spinning solution: by copolymer powder and dimethylacetylamide in mass ratio 1:3 carry out mixed dissolution, through intensification heating 80 ~ 90 DEG C, copolymer powder is dissolved completely in dimethylacetylamide, then cools to 70 ~ 80 DEG C of spinning solutions carrying out filtration and obtain;
(3) spinning solution is again through temperature-adjustment pressure-adjustment, in 0.7 ~ 0.9MPa pressure after filtration, spinning is carried out at the temperature of 92 ~ 97 DEG C, be that 0.5 ~ 2:98 ~ 99.5 join in spinning solution at the accumulation of heat powder of 0.1 ~ 1 μm by the mass ratio of accumulation of heat powder and fiber by diameter in spinning process, through spinning after dynamic mixer 1400rpm powerful mixing is even, through coagulating bath, coagulating bath is dimethylacetamide amine aqueous solution, its concentration is 40 ~ 55wt%, temperature is 38 ~ 50 DEG C, double diffusion is shaping, washing, drawing-off, oil, dry, curling, its drafting multiple is 4 ~ 7 times, by 200 ~ 330KPa sizing pressure shaping, obtained thermal storage fiber finished product.
The key technical indexes that the present invention obtains thermal storage fiber and conventional fibre contrasts and sees the following form:
The key technical indexes of the thermal storage fiber that the present invention obtains and conventional fibre
The thermal storage fiber that the present invention obtains and conventional fibre fabric temperature index
The present invention compared with prior art has outstanding substantive distinguishing features and marked improvement and good effect and is embodied in:
(1) thermal storage fiber that the present invention produces has the advantages that in wash resistant and last handling process, function is unattenuated, and do not cause the intrinsic index of fiber to have obvious change because with the addition of accumulation of heat powder, can not have any impact to the continuity that lower procedure is produced, also can not cause the raising of production cost to client;
(2) thermal storage fiber that the present invention produces also has broad-spectrum antiseptic, antibacterial lasting feature; Negative oxygen ion can also be discharged and give off far infrared, improving microcirculation, enhance metabolism, the health-care effecies such as antifatigue;
(3) thermal storage fiber that the present invention produces has natural steel gray pool, will never fade, can save the dyeing process of user, greatly reduce environmental pollution, can reduce dyeing processing cost simultaneously.
(4) present invention process simple possible, production efficiency is high, easily controls, and the devices such as existing spinning can be utilized to produce.
Detailed description of the invention
Further the present invention is described below below by embodiment:
Thermal storage fiber of the present invention, diameter is dispersed in the fiber made with the copolymer powder that acrylonitrile and vinyl acetate are formed at the accumulation of heat powder of 0.1 ~ 1 μm, and the mass ratio of accumulation of heat powder and fiber is 0.5 ~ 2:98 ~ 99.5.
The preparation method of a kind of thermal storage fiber of embodiment 1, by 92 ~ 94wt% acrylonitrile, the two kinds of monomer mixing of 6 ~ 8wt% vinyl acetate, and its mixed concentration is adjusted to 30 ~ 40wt%, in 58 ~ 62 DEG C, pH carries out aqueous-phase suspending copolyreaction 2.5 ~ 3.5 times continuously, reacted copolymer powder stops through chelatropic reaction, deviates from unreacted monomer with stripper, then through water washed filter removing salinity, moisture, through drying the copolymer powder obtaining being formed by acrylonitrile and vinyl acetate after granulating and forming, by copolymer powder and dimethylacetylamide in mass ratio 1:3 carry out mixed dissolution, through intensification heating 80 ~ 90 DEG C, copolymer powder is made to be dissolved completely in dimethylacetylamide, cool to 70 ~ 80 DEG C again to carry out filtering obtained spinning solution through temperature-adjustment pressure-adjustment, in 0.7 ~ 0.9MPa pressure after filtration, spinning is carried out at the temperature of 92 ~ 97 DEG C, be that 0.5:99.5 join in spinning solution at the accumulation of heat powder of 0.1 ~ 1 μm by the mass ratio of accumulation of heat powder and fiber by diameter in spinning process, after dynamic mixer 1400rpm powerful mixing is even, dimethylacetylamide coagulation bath concentration is 40 ~ 43wt%, coagulation bath temperature is 38 ~ 42 DEG C, double diffusion is shaping, washing, oil, dry, curling, its drafting multiple is 4 ~ 5 times, by 200 ~ 260KPa sizing pressure shaping, obtained thermal storage fiber finished product.
The preparation method of a kind of thermal storage fiber of embodiment 2, by 92 ~ 94wt% acrylonitrile, the two kinds of monomer mixing of 6 ~ 8wt% vinyl acetate, and its mixed concentration is adjusted to 30 ~ 40wt%, in 58 ~ 62 DEG C, pH carries out aqueous-phase suspending copolyreaction 2.5 ~ 3.5 times continuously, reacted copolymer powder stops through chelatropic reaction, deviates from unreacted monomer with stripper, then through water washed filter removing salinity, moisture, through drying the copolymer powder obtaining being formed by acrylonitrile and vinyl acetate after granulating and forming, by copolymer powder and dimethylacetylamide in mass ratio 1:3 carry out mixed dissolution, through intensification heating 80 ~ 90 DEG C, copolymer powder is made to be dissolved completely in dimethylacetylamide, cool to 70 ~ 80 DEG C again to carry out filtering obtained spinning solution through temperature-adjustment pressure-adjustment, in 0.7 ~ 0.9MPa pressure after filtration, spinning is carried out at the temperature of 92 ~ 97 DEG C, be that 1.2:98.8 join in spinning solution at the accumulation of heat powder of 0.1 ~ 1 μm by the mass ratio of accumulation of heat powder and fiber by diameter in spinning process, after dynamic mixer 1400rpm powerful mixing is even, dimethylacetylamide coagulation bath concentration is 43 ~ 47wt%, coagulation bath temperature is 42 ~ 46 DEG C, double diffusion is shaping, washing, oil, dry, curling, its drafting multiple is 5 ~ 6 times, by 260 ~ 300KPa sizing pressure shaping, obtained thermal storage fiber finished product.
The preparation method of a kind of thermal storage fiber of embodiment 3, by 92 ~ 94wt% acrylonitrile, the two kinds of monomer mixing of 6 ~ 8wt% vinyl acetate, and its mixed concentration is adjusted to 30 ~ 40wt%, in 58 ~ 62 DEG C, pH carries out aqueous-phase suspending copolyreaction 2.5 ~ 3.5 times continuously, reacted copolymer powder stops through chelatropic reaction, deviates from unreacted monomer with stripper, then through water washed filter removing salinity, moisture, through drying the copolymer powder obtaining being formed by acrylonitrile and vinyl acetate after granulating and forming, by copolymer powder and dimethylacetylamide in mass ratio 1:3 carry out mixed dissolution, through intensification heating 80 ~ 90 DEG C, copolymer powder is made to be dissolved completely in dimethylacetylamide, cool to 70 ~ 80 DEG C again to carry out filtering obtained spinning solution through temperature-adjustment pressure-adjustment, in 0.7 ~ 0.9MPa pressure after filtration, spinning is carried out at the temperature of 92 ~ 97 DEG C, be that 2:98 join in spinning solution at the accumulation of heat powder of 0.1 ~ 1 μm by the mass ratio of accumulation of heat powder and fiber by diameter in spinning process, after dynamic mixer 1400rpm powerful mixing is even, dimethylacetylamide coagulation bath concentration is 47 ~ 55wt%, coagulation bath temperature is 46 ~ 50 DEG C, double diffusion is shaping, washing, oil, dry, curling, its drafting multiple is 6 ~ 7 times, by 300 ~ 330KPa sizing pressure shaping, obtained thermal storage fiber finished product.
The thermal storage fiber that the present invention produces has good heat accumulation thermal function, Taiwan Science and Technology Co., Ltd. belonging to Switzerland SGS through having an International Certification qualification is detected on August 29th, 2012, see appendix 1, under certain thermal source irradiates, thermal storage fiber cloth exceeds 18.5 DEG C than common cloth temperature.Thermal storage fiber can reflect thermal radiation of body, and heat energy storage prevents heat loss, meets the requirement that autumn and winter season people are light to fabric, attractive in appearance, warming.
The thermal storage fiber knitted cloth that the fiber blends such as the thermal storage fiber that the present invention produces and viscose glue, bamboo fibre, sky silk, cotton are made, through National Knitting Product Quality Supervision Inspection Center, moisture absorption heating performance test is carried out according to FZ/T73036 standard on July 18th, 2012, see appendix 2, its fabric moisture heating mean value reaches 3.7 DEG C, is up to 6.7 DEG C.
Thermal storage fiber of the present invention raw material used is easy to get, and is commercially available prod.
Claims (2)
1. a preparation method for thermal storage fiber, is characterized in that, concrete steps are as follows:
(1) production of copolymer powder: by 92 ~ 94wt% acrylonitrile, the two kinds of monomer mixing of 6 ~ 8wt% vinyl acetate, and its mixed concentration is adjusted to 30 ~ 40wt%, in 58 ~ 62 DEG C, pH carries out aqueous suspension polymerization reaction 2.5 ~ 3.5 times continuously; Reacted copolymer powder stops through chelatropic reaction, deviates from unreacted monomer with stripper, then through water washed filter removing salinity, moisture, through drying the copolymer powder obtaining being formed by acrylonitrile and vinyl acetate after granulating and forming;
(2) preparation of spinning solution: by copolymer powder and dimethylacetylamide in mass ratio 1:3 carry out mixed dissolution, through intensification heating 80 ~ 90 DEG C, copolymer powder is dissolved completely in dimethylacetylamide, then cools to 70 ~ 80 DEG C and carry out filtering obtained spinning solution;
(3) spinning solution is again through temperature-adjustment pressure-adjustment, in 0.7 ~ 0.9MPa pressure after filtration, spinning is carried out at the temperature of 92 ~ 97 DEG C, in spinning process, be that 0.5 ~ 2:98 ~ 99.5 join in spinning solution at the accumulation of heat powder of 0.1 ~ 1 μm by the mass ratio of accumulation of heat powder and fiber by diameter, through spinning after dynamic mixer 1400rpm powerful mixing is even, through coagulating bath, coagulating bath is dimethylacetamide amine aqueous solution, its concentration is 40 ~ 55wt%, temperature is 38 ~ 50 DEG C, double diffusion is shaping, washing, drawing-off, oil, dry, curling, its drafting multiple is 4 ~ 7 times, by 200 ~ 330KPa sizing pressure shaping, obtained thermal storage fiber finished product.
2. the thermal storage fiber that directly obtains of the preparation method of thermal storage fiber according to claim 1.
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| CN201310446000.XA CN103498208B (en) | 2013-09-26 | 2013-09-26 | Thermal storage fiber and preparation method thereof |
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| CN103498208B true CN103498208B (en) | 2016-03-30 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104738852A (en) * | 2013-12-31 | 2015-07-01 | 波司登羽绒服装有限公司 | Rapid-heat-accumulation warming textile fiber material and production method thereof |
| CN103716927A (en) * | 2014-01-09 | 2014-04-09 | 昆山豪绅纤维科技开发有限公司 | Energy-saving type heating fabric device |
| CN105986329A (en) * | 2015-02-13 | 2016-10-05 | 吉林吉盟腈纶有限公司 | Dope-dyed polyacrylonitrile fiber and preparation method thereof |
| CN105002592B (en) * | 2015-02-13 | 2017-10-17 | 吉林奇峰化纤股份有限公司 | A kind of vinegar nitrile fiber and preparation method thereof |
| CN106283224B (en) * | 2015-06-11 | 2019-08-20 | 吉林奇峰化纤股份有限公司 | A kind of wet process has greatly the preparation method of light acrylic fibers |
| CN109963978B (en) * | 2016-11-25 | 2022-02-08 | 帝人富瑞特株式会社 | Fiber powder and aqueous dispersion thereof |
| CN110016728B (en) * | 2018-01-08 | 2022-04-22 | 吉林吉盟腈纶有限公司 | Preparation method of polyacrylonitrile graphene fiber |
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| JP2002302828A (en) * | 2001-04-04 | 2002-10-18 | Mitsubishi Rayon Co Ltd | Acrylonitrile-based precursor filament bundle for carbon fiber and method for producing the same |
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| CN1948567A (en) * | 2006-04-21 | 2007-04-18 | 中国石油天然气股份有限公司 | Anti-pilling acrylic fiber and production method thereof |
| CN101070634A (en) * | 2007-06-12 | 2007-11-14 | 天津工业大学 | Method for preparing hydrophilic polymerized acrylonitrile fiber |
| CN101104962A (en) * | 2007-07-31 | 2008-01-16 | 浙江杭州湾腈纶有限公司 | Method for preparing acrylic fibre used for building |
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Patent Citations (7)
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| JP2000096347A (en) * | 1998-09-22 | 2000-04-04 | Mitsubishi Rayon Co Ltd | Heat-storing and conductive fiber and yarn and fabric |
| JP2002302828A (en) * | 2001-04-04 | 2002-10-18 | Mitsubishi Rayon Co Ltd | Acrylonitrile-based precursor filament bundle for carbon fiber and method for producing the same |
| CN1607270A (en) * | 2003-10-15 | 2005-04-20 | 王开利 | Antibacterial intelligent thermal-storage nano fibre |
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Effective date of registration: 20180428 Address after: 052160 Dongning Road, Gaocheng District, Shijiazhuang, Hebei Province, No. 2 Patentee after: Hebei Acu-Rite Fiber Co. Ltd. Address before: No. 516-1, station nine, Changyi District, Jilin, Jilin Patentee before: Jilin Qifeng Chemical Fibre Stock Co., Ltd. |
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