CN103498208A - Thermal storage fiber and preparation method thereof - Google Patents
Thermal storage fiber and preparation method thereof Download PDFInfo
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- CN103498208A CN103498208A CN201310446000.XA CN201310446000A CN103498208A CN 103498208 A CN103498208 A CN 103498208A CN 201310446000 A CN201310446000 A CN 201310446000A CN 103498208 A CN103498208 A CN 103498208A
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- fiber
- heat
- powder
- accumulation
- thermal storage
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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
-
- 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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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Artificial Filaments (AREA)
Abstract
The invention relates to a thermal storage fiber. The thermal storage fiber is characterized in that thermal storage powder with the diameter being 0.1-1 micrometer are uniformly dispersed in a fiber prepared from copolymer powder formed by acrylonitrile and vinyl acetate, and the mass ratio of the thermal storage powder to the fiber is (0.5-2):(98-99.5). A preparation method for the thermal storage fiber comprises the following steps: producing copolymer powder, preparing a spinning solution, regulating temperature and pressure of the spinning solution, and filtering and spinning the spinning solution; in the spinning process, adding the thermal storage powder with the diameter being 0.1-1 micrometer into the spinning solution according to the mass ratio (0.5-2):(98-99.5) of the thermal storage powder and the fiber; intensively and uniformly mixing at 1400rpm through a dynamic mixer and then spinning and carrying out a coagulating bath, wherein the coagulating bath adopts a dimethyl acetamide aqueous solution, the concentration of the solution is 40-55 weight percent, and the temperature is 38-50 DEG C; carrying out double-diffusion forming, washing with water, drafting, oiling, drying and crimping, wherein the drafting times are 4-7 times; and shaping through 200-330KPa shaping pressure so as to finally obtain a finished thermal storage fiber product. The thermal storage fiber has the advantages of good performance, environmental protection and good thermal storage effect and is beneficial to health. The preparation method is simple and feasible, has high production efficiency, and is easily controlled.
Description
Technical field
The invention belongs to textile technology field, specifically, is a kind of accumulation of heat fiber and preparation method thereof.
Background technology
In recent years, fiber consumption figure for body-building clothes, sweat shirt, Casual Wear etc. increased severely with year in the world, wherein, particularly for the winter sports clothes, require comfortable and easy to wear and warming, so at present existing much about the newly exploitation of fibre such as wet, warming thoroughly, main by following two kinds of methods, produce wet, warmth retention property fiber and its products thoroughly: one, give by the method for rear arrangement, as carried out poisture-penetrability coating or press mold and high-density fabric is imposed to hydrophobic processing (as coating or compose film) etc. has fibre to wet, heat-preserving function on base cloth; Two, by add 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, thereby by the burning heat release or absorb sunshine and human body heat energy has fiber and its products to wet, heat-preserving function, but its warming effect is not ideal enough, poor durability.
Now the common accumulation of heat fiber additive in market mainly contains following two kinds, a kind ofly zirconium carbide and ceramic differential, consists of, but, due to the zirconium carbide poor chemical stability, meets water decomposition, is dissolved in acid, and causes the fiber accumulation of heat effect can not be lasting; Another kind is to take the ATO powder of ATO powder or GTO(modification) be additive, but due to addition large (on fiber, content is 11% left and right greatly), cause index in fibre object obviously to descend, and because powder content is high, powder easily comes off, and causing the 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 the problem that prior art exists, a kind of function admirable is provided, 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 accumulation of heat fiber, it is characterized in that: diameter is in the accumulation of heat powder of 0.1～1 μ m is dispersed in the fiber made from the copolymer powder of acrylonitrile and vinyl acetate formation, 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 accumulation of heat fiber, it is characterized in that, concrete steps are as follows:
(1) production of copolymer powder: 92～94wt% acrylonitrile, two kinds of monomers of 6～8wt% vinyl acetate are mixed, and its mixed concentration is adjusted to 30～40wt%, in 58～62 ℃, pH carries out the aqueous-phase suspending copolyreaction 2.5～3.5 times continuously; Reacted copolymer powder stops through chelatropic reaction, with stripper, deviates from unreacted monomer, then through the washing filtering machine, removes freshen, moisture, and granulating and forming obtains the copolymer powder formed by acrylonitrile and vinyl acetate by oven dry;
(2) preparation of spinning solution: by copolymer powder and dimethylacetylamide in mass ratio 1:3 carry out mixed dissolution, through 80～90 ℃ of the heating that heat up, copolymer powder is dissolved in dimethylacetylamide fully, then cools to 70～80 ℃ and filter the spinning solution made;
(3) spinning solution is again through temperature-adjustment pressure-adjustment, after filtration in 0.7～0.9MPa pressure, carry out spinning at the temperature of 92～97 ℃, in spinning process, by diameter, at the accumulation of heat powder of 0.1～1 μ m, by the mass ratio of accumulation of heat powder and fiber, be during 0.5～2:98～99.5 join spinning solution, through dynamic mixer 1400rpm powerful mixing evenly by spinning, through coagulating bath, coagulating bath is the dimethylacetylamide aqueous solution, its concentration is 40～55wt%, temperature is 38～50 ℃, the double diffusion moulding, washing, drawing-off, oil, dry, curling, its drafting multiple is 4～7 times, by 200～330KPa typing pressure shaping, make the accumulation of heat fibrous finished product.
The key technical indexes contrast that the present invention makes accumulation of heat fiber and conventional fibre sees the following form:
The accumulation of heat fiber that the present invention makes and the key technical indexes of conventional fibre
The accumulation of heat fiber that the present invention makes 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) the accumulation of heat fiber that the present invention produces has the unattenuated characteristics of function in wash resistant and last handling process, and because having added the accumulation of heat powder, do not cause the intrinsic index of fiber that obvious variation is arranged, continuity to lower procedure production can not have any impact, and can not cause the raising of production cost to the client yet;
(2) the accumulation of heat fiber that the present invention produces also has broad-spectrum antiseptic, antibiotic lasting characteristics; Can also discharge negative oxygen ion and give off far infrared, improving microcirculation, enhancing metabolism, the health-care effecies such as antifatigue;
(3) the accumulation of heat fiber that the present invention produces has natural steel gray pool, will never fade, can save user's dyeing process, greatly reduces environmental pollution, can reduce the dyeing processing cost simultaneously.
(4) technique simple possible of the present invention, production efficiency is high, easily controls, and can utilize the device productions such as existing spinning.
The specific embodiment
Below by embodiment, further the present invention is described below:
Accumulation of heat fiber of the present invention, diameter is in the accumulation of heat powder of 0.1～1 μ m is dispersed in the fiber made from the copolymer powder of acrylonitrile and vinyl acetate formation, 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 accumulation of heat fiber of embodiment 1,92～94wt% acrylonitrile, two kinds of monomers of 6～8wt% vinyl acetate are mixed, and its mixed concentration is adjusted to 30～40wt%, in 58～62 ℃, pH carries out the aqueous-phase suspending copolyreaction 2.5～3.5 times continuously, reacted copolymer powder stops through chelatropic reaction, with stripper, deviates from unreacted monomer, then through the washing filtering machine, removes freshen, moisture, and granulating and forming obtains the copolymer powder formed by acrylonitrile and vinyl acetate by oven dry, by copolymer powder and dimethylacetylamide in mass ratio 1:3 carry out mixed dissolution, through 80～90 ℃ of the heating that heat up, make copolymer powder be dissolved in dimethylacetylamide fully, cool to again 70～80 ℃ and filter the spinning solution that makes through temperature-adjustment pressure-adjustment, after filtration in 0.7～0.9MPa pressure, carry out spinning at the temperature of 92～97 ℃, in spinning process, by diameter, at the accumulation of heat powder of 0.1～1 μ m, by the mass ratio of accumulation of heat powder and fiber, be during 0.5:99.5 joins spinning solution, after dynamic mixer 1400rpm powerful mixing is even, dimethylacetylamide coagulation bath concentration is 40～43wt%, coagulation bath temperature is 38～42 ℃, the double diffusion moulding, washing, oil, dry, curling, its drafting multiple is 4～5 times, by 200～260KPa typing pressure shaping, make the accumulation of heat fibrous finished product.
The preparation method of a kind of accumulation of heat fiber of embodiment 2,92～94wt% acrylonitrile, two kinds of monomers of 6～8wt% vinyl acetate are mixed, and its mixed concentration is adjusted to 30～40wt%, in 58～62 ℃, pH carries out the aqueous-phase suspending copolyreaction 2.5～3.5 times continuously, reacted copolymer powder stops through chelatropic reaction, with stripper, deviates from unreacted monomer, then through the washing filtering machine, removes freshen, moisture, and granulating and forming obtains the copolymer powder formed by acrylonitrile and vinyl acetate by oven dry, by copolymer powder and dimethylacetylamide in mass ratio 1:3 carry out mixed dissolution, through 80～90 ℃ of the heating that heat up, make copolymer powder be dissolved in dimethylacetylamide fully, cool to again 70～80 ℃ and filter the spinning solution that makes through temperature-adjustment pressure-adjustment, after filtration in 0.7～0.9MPa pressure, carry out spinning at the temperature of 92～97 ℃, in spinning process, by diameter, at the accumulation of heat powder of 0.1～1 μ m, by the mass ratio of accumulation of heat powder and fiber, be during 1.2:98.8 joins spinning solution, after dynamic mixer 1400rpm powerful mixing is even, dimethylacetylamide coagulation bath concentration is 43～47wt%, coagulation bath temperature is 42～46 ℃, the double diffusion moulding, washing, oil, dry, curling, its drafting multiple is 5～6 times, by 260～300KPa typing pressure shaping, make the accumulation of heat fibrous finished product.
The preparation method of a kind of accumulation of heat fiber of embodiment 3,92～94wt% acrylonitrile, two kinds of monomers of 6～8wt% vinyl acetate are mixed, and its mixed concentration is adjusted to 30～40wt%, in 58～62 ℃, pH carries out the aqueous-phase suspending copolyreaction 2.5～3.5 times continuously, reacted copolymer powder stops through chelatropic reaction, with stripper, deviates from unreacted monomer, then through the washing filtering machine, removes freshen, moisture, and granulating and forming obtains the copolymer powder formed by acrylonitrile and vinyl acetate by oven dry, by copolymer powder and dimethylacetylamide in mass ratio 1:3 carry out mixed dissolution, through 80～90 ℃ of the heating that heat up, make copolymer powder be dissolved in dimethylacetylamide fully, cool to again 70～80 ℃ and filter the spinning solution that makes through temperature-adjustment pressure-adjustment, after filtration in 0.7～0.9MPa pressure, carry out spinning at the temperature of 92～97 ℃, in spinning process, by diameter, at the accumulation of heat powder of 0.1～1 μ m, by the mass ratio of accumulation of heat powder and fiber, be during 2:98 joins spinning solution, after dynamic mixer 1400rpm powerful mixing is even, dimethylacetylamide coagulation bath concentration is 47～55wt%, coagulation bath temperature is 46～50 ℃, the double diffusion moulding, washing, oil, dry, curling, its drafting multiple is 6～7 times, by 300～330KPa typing pressure shaping, make the accumulation of heat fibrous finished product.
The accumulation of heat fiber that the present invention produces has good heat accumulation thermal function, Taiwan Science and Technology Co., Ltd. under Switzerland SGS through having the International Certification qualification is detected on August 29th, 2012, see appendix 1, under certain thermal source irradiates, the accumulation of heat fiber cloth exceeds 18.5 ℃ than common cloth temperature.The accumulation of heat fiber can reflect thermal radiation of body, and heat energy storage prevents heat loss, has met the autumn and winter season people requirement light, attractive in appearance, warming to fabric.
The accumulation of heat fabric knitted cloth that the fiber blends such as the accumulation of heat fiber that the present invention produces and viscose glue, bamboo fibre, day silk, cotton are made, through national knit product quality supervision and test center, carry out the moisture absorption heating performance test on July 18th, 2012 according to the FZ/T73036 standard, see appendix 2, its fabric moisture heating mean value reaches 3.7 ℃, is up to 6.7 ℃.
Accumulation of heat fiber of the present invention raw material used is easy to get, and is commercially available prod.
Claims (2)
1. an accumulation of heat fiber is characterized in that: diameter is dispersed in the fiber that the copolymer powder that forms with acrylonitrile and vinyl acetate makes at the accumulation of heat powder of 0.1～1 μ m, and the mass ratio of accumulation of heat powder and fiber is 0.5～2:98～99.5.
2. the preparation method of accumulation of heat fiber according to claim 1, is characterized in that, concrete steps are as follows:
(1) production of copolymer powder: 92～94wt% acrylonitrile, two kinds of monomers of 6～8wt% vinyl acetate are mixed, and its mixed concentration is adjusted to 30～40wt%, in 58～62 ℃, pH carries out the aqueous suspension polymerization reaction 2.5～3.5 times continuously; Reacted copolymer powder stops through chelatropic reaction, with stripper, deviates from unreacted monomer, then through the washing filtering machine, removes freshen, moisture, and granulating and forming obtains the copolymer powder formed by acrylonitrile and vinyl acetate by oven dry;
(2) preparation of spinning solution: by copolymer powder and dimethylacetylamide in mass ratio 1:3 carry out mixed dissolution, through 80～90 ℃ of the heating that heat up, copolymer powder is dissolved in dimethylacetylamide fully, then cools to 70～80 ℃ and filter the spinning solution made;
(3) spinning solution is again through temperature-adjustment pressure-adjustment, after filtration in 0.7～0.9MPa pressure, carry out spinning at the temperature of 92～97 ℃, in spinning process, by diameter, at the accumulation of heat powder of 0.1～1 μ m, by the mass ratio of accumulation of heat powder and fiber, be during 0.5～2:98～99.5 join spinning solution, through dynamic mixer 1400rpm powerful mixing evenly by spinning, through coagulating bath, coagulating bath is the dimethylacetylamide aqueous solution, its concentration is 40～55wt%, temperature is 38～50 ℃, the double diffusion moulding, washing, drawing-off, oil, dry, curling, its drafting multiple is 4～7 times, by 200～330KPa typing pressure shaping, make the accumulation of heat fibrous finished product.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| 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 |
| CN105002592A (en) * | 2015-02-13 | 2015-10-28 | 吉林奇峰化纤股份有限公司 | Acetate fiber and preparation method thereof |
| 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 |
| CN106283224A (en) * | 2015-06-11 | 2017-01-04 | 吉林奇峰化纤股份有限公司 | A kind of wet method has greatly the preparation method of light acrylon |
| CN110016728A (en) * | 2018-01-08 | 2019-07-16 | 吉林吉盟腈纶有限公司 | A kind of preparation method of polyacrylonitrile graphene fiber |
| TWI764957B (en) * | 2016-11-25 | 2022-05-21 | 日商帝人富瑞特股份有限公司 | Fiber powder and its aqueous dispersion |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
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| 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 |
| TWI764957B (en) * | 2016-11-25 | 2022-05-21 | 日商帝人富瑞特股份有限公司 | Fiber powder and its aqueous dispersion |
| CN110016728A (en) * | 2018-01-08 | 2019-07-16 | 吉林吉盟腈纶有限公司 | A kind of preparation method of polyacrylonitrile graphene fiber |
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| CN103498208B (en) | 2016-03-30 |
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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. |