CN102733003A - Colored and cool polyamide composite fiber and preparation method thereof - Google Patents
Colored and cool polyamide composite fiber and preparation method thereof Download PDFInfo
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- CN102733003A CN102733003A CN2012102513987A CN201210251398A CN102733003A CN 102733003 A CN102733003 A CN 102733003A CN 2012102513987 A CN2012102513987 A CN 2012102513987A CN 201210251398 A CN201210251398 A CN 201210251398A CN 102733003 A CN102733003 A CN 102733003A
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Abstract
The invention discloses a colored and cool polyamide composite fiber and a preparation method thereof. The composite fiber is of a skin-core structure, wherein the skin layer of the composite fiber is a blend consisting of at least one of polyamide, jade powder, pigment and dye, and the core layer of the composite fiber consists of the polyamide. The preparation method of the composite fiber provided by the invention comprises the following steps: (1) mixing at least one of the polyamide, the jade powder, the pigment and the dye according to mass ratio, then sequentially heating for plastifying, extruding and granulating to obtain cool and colored polyamide master batches; and (2) respectively heating and plastifying the cool and colored polyamide master batches and the polyamide, then obtaining the colored and cool polyamide composite fiber sequentially through melt filtering, metering and extruding, composite spinning, cooling for fiber forming, drawing and sizing, filament dividing, winding and molding. The colored and cool polyamide composite fiber is of the skin-core structure, wherein high-content jade powder is added to the skin layer, and the polyamide in the core layer has an effect of maintaining the integral strength of the fiber, so the cool performance during contacting with the human body skin and the maintenance of the normal mechanical property of the fiber are better guaranteed to be uniform.
Description
Technical field
The present invention relates to a kind of coloured nice and cool polyamide compound fibre and preparation method thereof.
Background technology
Jade mainly is made up of the hydrosilicate that contains sodium, calcium, magnesium, aluminium and some other trace element.Because its special composition and bigger density, its physical property has bigger specific heat of combustion and thermal conductivity factor, therefore when human body skin contacts, can produce nice and cool sensation.Textile fabric manufacturing enterprise has developed the superfine powder that utilizes the jade material preparation at present; The long filament and the staple fibre that have cooling feeling through the method production of jade powder and high polymer co-blended spinning; Wherein application number is the preparation method that 200710023666.9 application documents disclose relevant jade fiber, and the introduction about the mode of production of jade fiber is also arranged in relevant weaving periodical literature in a large number.All adopt in the prior art the jade material powder through being prepared into master batch with the high polymer blend, the mode of adding through master batch again prepares jade fiber with the high polymer co-blended spinning.This processing method is simple, can on the one pack system spinning equipment, realize accomplishing, and formed jade fiber is characterized as the jade material powder and is dispersed in whole fibrous inside.Because the jade material powder is inorganic matter, though present the superfine powder of submicron order, for high polymer fibre, the adding of jade powder will have influence on the intensity of high polymer fibre.In order to guarantee the intensity of high polymer fibre, so jade powder addition will be restricted, and less addition will directly have influence on the cooling function of jade fiber.Therefore a kind of composite fibre that had not only had higher-strength but also had cooling function need be provided.
Summary of the invention
The purpose of this invention is to provide a kind of coloured nice and cool polyamide compound fibre and preparation method thereof, this composite fibre not only has cooling function but also have mechanical property preferably.
A kind of coloured nice and cool polyamide compound fibre provided by the present invention, this composite fibre is a skin-core structure;
The cortex of said composite fibre is an at least a blend in polyamide, jade powder and pigment and the dyestuff;
The sandwich layer of said composite fibre is a polyamide.
In the above-mentioned coloured nice and cool polyamide compound fibre, the particle diameter of said jade powder can be 0.5 ~ 1 μ m, like 0.5 μ m ~ 0.7 μ m, 0.5 μ m, 0.7 μ m or 1 μ m.
In the above-mentioned coloured nice and cool polyamide compound fibre, said pigment can be inorganic pigment, and said dyestuff can be DISPERSE DYES.
In the above-mentioned coloured nice and cool polyamide compound fibre, in the said composite fibre, the ratio of quality and the number of copies of said cortex and said sandwich layer can be (3 ~ 7): (3 ~ 7) specifically can be 3:7,1:1 or 7:3.
In the above-mentioned coloured nice and cool polyamide compound fibre; In the said cortex, the quality percentage composition of said jade powder can be 10% ~ 30%, specifically can be 10%, 20% or 30%; The quality percentage composition of said pigment and/or dyestuff can be 10% ~ 20%, specifically can be 10% or 20%;
The characteristic viscosity of polyamide described in the said cortex can be 2.6 ~ 2.8dL/g, and like 2.6dL/g or 2.8dL/g, the characteristic viscosity of polyamide described in the said sandwich layer can be 2.2 ~ 2.4dL/g, like 2.2dL/g or 2.4dL/g.
In the above-mentioned coloured nice and cool polyamide compound fibre, the cross sectional shape of said composite fibre can be triangle.
The present invention also further provides the preparation method of above-mentioned composite fibre, comprises the steps:
(1) with at least a mixing the in the polyamide of above-mentioned quality proportioning, jade powder and pigment and the dyestuff, then successively through heating plasticizing, extrude with granulation and obtain nice and cool coloured polyamide master batch;
(2) with nice and cool coloured polyamide master batch of above-mentioned quality proportioning and polyamide respectively behind heating plasticizing, extrude, composite spinning, be cooled to fibre, drawing-off setting and divide a silk coiling and molding promptly to get said product through melt filtration, metering successively again.
Among the above-mentioned preparation method, in the step (1), the temperature of said heating plasticizing can be 255 ℃ ~ 285 ℃.
Among the above-mentioned preparation method, in the step (2), the temperature of the heating plasticizing of said nice and cool coloured polyamide master batch can be 250 ℃ ~ 290 ℃, and the temperature of the heating plasticizing of said polyamide can be 255 ℃ ~ 290 ℃.
Nice and cool polyamide compound fibre provided by the invention; It is a core-skin formula structure; The jade powder that in its cortex, adds high-load; And polyamide plays the effect of keeping fabric integer intensity in its sandwich layer, thereby has guaranteed the nice and cool property that contacts with human body skin and kept the normal mechanical property of fiber to obtain good unification; While is owing to employing pigment and/or dyestuff, so dispense with dyeing in the preparation process of product, does not have dyeing waste-water, helps environmental protection.
The specific embodiment
Employed experimental technique is conventional method like no specified otherwise among the following embodiment.
Used material, reagent etc. like no specified otherwise, all can obtain from commercial sources among the following embodiment.
The method of testing of the tensile property of the nice and cool fiber for preparing among the following embodiment is: the method according to the GB/T14344 regulation is tested.
The method of testing of the thermal conductivity factor of the nice and cool fiber for preparing among the following embodiment is: the fiber production of will feeling nice and cool becomes fibrofelt, tests according to the method for GB/T17911.8 regulation.
Embodiment 1, the blue nice and cool polyamide fiber of preparation
(1) be that 70% polyamide powder, 10% jade micro mist powder (particle diameter is 0.5 μ m) and 20% disperse blue DISPERSE DYES (BGE-01) tentatively mix with the quality percentage composition; And through 1500r/min (255 * g) high-speed stirred are fully mixed; And place the screw extruder heating plasticizing, extrude, cool off and cut granulation; Obtain nice and cool blue polyamide master batch; Wherein the temperature in district is respectively 255 ℃, 258 ℃, 265 ℃ and 280 ℃ before and after the heating plasticizing screw extruder, is cooled to the normal temperature water-cooled.
(2) the nice and cool blue polyamide master batch and the polyamide section difference drying that step (1) are obtained; By nice and cool blue polyamide master batch and polyamide chipping qualities portion rate is 3:7; Insert respectively and carry out heating plasticizing in the composite spinning equipment, the temperature in district is respectively 250 ℃, 255 ℃, 260 ℃, 275 ℃ and 280 ℃ before and after the nice and cool blue polyamide master batch heating plasticizing screw extruder; The temperature in district is respectively 255 ℃, 258 ℃, 265 ℃, 275 ℃ and 283 ℃ before and after the polyamide section heating plasticizing screw extruder; Extrude, composite spinning, be cooled to fibre, drawing-off setting and divide a silk coiling and molding through melt filtration, metering again, obtain nice and cool blue polyamide bicomponent filament yarn fiber; Adopt the spinnerets of triangle spinneret orifice form during composite spinning, the cross sectional shape of available nice and cool green black colour polyamide filaments fiber is a core-skin formula triangle.
In the composite fibre of present embodiment preparation, the characteristic viscosity of the polyamide in its cortex can be 2.6dL/g, and the characteristic viscosity of the polyamide in the sandwich layer is 2.4dL/g.
Coloured nice and cool polyamide fiber and conventional polyamide fiber to the present embodiment preparation adopt the tensile strength machine to carry out the tensile property test simultaneously; Recording coloured nice and cool polyamide fiber TENSILE STRENGTH respectively is 4.75cN/dtex, and conventional polyamide fiber TENSILE STRENGTH is 4.86cN/dtex; Adopt thermal conductivity measuring apparatus, this fiber is carried out thermal conductivity factor measure, recording coloured nice and cool polyamide fiber thermal conductivity factor is 0.532W/m ℃, and conventional polyamide fiber thermal conductivity factor is 0.327W/m ℃.
Embodiment 2, the green nice and cool polyamide fiber of preparation
(1) be that 70% polyamide powder, 20% jade micro mist powder (particle diameter is 1 μ m), 10% the green inorganic pigment of the phthalein mountain valley with clumps of trees and bamboo (L9361) tentatively mix with the quality percentage composition; And through 1500r/min (255 * g) high-speed stirred are fully mixed; And place the screw extruder heating plasticizing, extrude, cool off, cut granulation; Obtain nice and cool green polyamide master batch; Wherein the temperature in district is respectively 255 ℃, 260 ℃, 268 ℃ and 285 ℃ before and after the heating plasticizing screw extruder, is cooled to the normal temperature water-cooled.
(2) the nice and cool green polyester master particle and the polyester slice difference drying that step (1) are obtained; By nice and cool green polyester master particle and polyester slice ratio of quality and the number of copies is 5:5; Insert respectively and carry out heating plasticizing in the composite spinning equipment, the temperature in district is respectively 250 ℃, 255 ℃, 265 ℃, 280 ℃ and 287 ℃ before and after the nice and cool green polyamide master batch heating plasticizing screw extruder; The temperature in district is respectively 255 ℃, 258 ℃, 265 ℃, 275 ℃ and 283 ℃ before and after the polyamide section heating plasticizing screw extruder; Extrude, composite spinning, be cooled to fibre, drawing-off setting and divide a silk coiling and molding through melt filtration, metering again, obtain nice and cool green polyamide bicomponent filament yarn fiber; Adopt the spinnerets of triangle spinneret orifice form during composite spinning, the cross sectional shape of the nice and cool green polyester filament fiber that can acquire is a core-skin formula triangle.
In the composite fibre of present embodiment preparation, the characteristic viscosity of the polyamide in its cortex can be 2.8dL/g, and the characteristic viscosity of the polyamide in the sandwich layer is 2.4dL/g.
Coloured nice and cool polyamide fiber and conventional polyamide fiber to the present embodiment preparation adopt the tensile strength machine to carry out the tensile property test simultaneously; Recording coloured nice and cool polyamide fiber TENSILE STRENGTH respectively is 4.55cN/dtex, and conventional polyamide fiber TENSILE STRENGTH is 4.86cN/dtex; Adopt thermal conductivity measuring apparatus, this fiber is carried out thermal conductivity factor measure, recording coloured nice and cool polyamide fiber thermal conductivity factor is 0.902W/m ℃, and conventional polyamide fiber thermal conductivity factor is 0.327W/m ℃.
Embodiment 3, the red nice and cool polyamide fiber of preparation
(1) be that 60% polyester powder, 30% jade micro mist powder (particle diameter is 0.7 μ m) and 10% disperse yellow DISPERSE DYES (N-RGFL) tentatively mix with the quality percentage composition; And through 1500r/min (255 * g) high-speed stirred are fully mixed; And place the screw extruder heating plasticizing, extrude, cool off, cut granulation; Obtain nice and cool yellow polyamide master batch; Wherein the temperature in district is respectively 255 ℃, 258 ℃, 265 ℃ and 280 ℃ before and after the heating plasticizing screw extruder, is cooled to the normal temperature water-cooled.
(2) the nice and cool yellow polyester master particle and the polyester slice difference drying that step (3) are obtained; By nice and cool yellow polyester master particle and polyester slice ratio of quality and the number of copies is 7:3; Insert respectively and carry out heating plasticizing in the composite spinning equipment, the temperature in district is respectively 250 ℃, 255 ℃, 260 ℃, 275 ℃ and 280 ℃ before and after the nice and cool yellow polyamide master batch heating plasticizing screw extruder; The temperature in district is respectively 255 ℃, 258 ℃, 265 ℃, 275 ℃ and 283 ℃ before and after the polyamide section heating plasticizing screw extruder; Extrude, composite spinning, be cooled to fibre, drawing-off setting and divide a silk coiling and molding through melt filtration, metering again, obtain nice and cool yellow polyester compound filament fiber; Adopt the spinnerets of triangle spinneret orifice form during composite spinning, the cross sectional shape of available nice and cool yellow polyester filament fiber is a core-skin formula triangle.
In the composite fibre of present embodiment preparation, the characteristic viscosity of the polyamide in its cortex can be 2.8dL/g, and the characteristic viscosity of the polyamide in the sandwich layer is 2.2dL/g.
Coloured nice and cool polyamide fiber and conventional polyamide fiber to the present embodiment preparation adopt the tensile strength machine to carry out the tensile property test simultaneously; Recording coloured nice and cool polyamide fiber TENSILE STRENGTH respectively is 4.47cN/dtex, and conventional polyamide fiber TENSILE STRENGTH is 4.86cN/dtex; Adopt the thermal conductivity factor tester, this fiber is carried out thermal conductivity factor measure, recording coloured nice and cool polyamide fiber thermal conductivity factor is 0.956W/m ℃, and conventional polyamide fiber thermal conductivity factor is 0327W/m ℃.
Claims (9)
1. coloured nice and cool polyamide compound fibre, it is characterized in that: said composite fibre is a skin-core structure;
The cortex of said composite fibre is an at least a blend in polyamide, jade powder and pigment and the dyestuff;
The sandwich layer of said composite fibre is a polyamide.
2. composite fibre according to claim 1 is characterized in that: the particle diameter of said jade powder is 0.5 ~ 1 μ m.
3. composite fibre according to claim 1 and 2 is characterized in that: said pigment is inorganic pigment, and said dyestuff is DISPERSE DYES.。
4. according to arbitrary described composite fibre among the claim 1-3, it is characterized in that: in the said composite fibre, the ratio of quality and the number of copies of said cortex and said sandwich layer is (3 ~ 7): (3 ~ 7).
5. according to arbitrary described composite fibre among the claim 1-4, it is characterized in that: in the said cortex, the quality percentage composition of said jade powder is 10% ~ 30%, and the quality percentage composition of said pigment and/or dyestuff is 10% ~ 20%;
The characteristic viscosity of polyamide described in the said cortex is 2.6 ~ 2.8dL/g, and the characteristic viscosity of polyamide described in the said sandwich layer is 2.2 ~ 2.4dL/g.
6. according to arbitrary described composite fibre among the claim 1-5, it is characterized in that: the cross sectional shape of said composite fibre is a triangle.
7. the preparation method of arbitrary said composite fibre among the claim 1-6 comprises the steps:
(1) with at least a mixing the in the polyamide of said quality proportioning, jade powder and pigment and the dyestuff, then successively through heating plasticizing, extrude with granulation and obtain nice and cool coloured polyamide master batch;
(2) with nice and cool coloured polyamide master batch of said quality proportioning and polyamide respectively behind heating plasticizing, extrude, composite spinning, be cooled to fibre, drawing-off setting and divide a silk coiling and molding promptly to get said product through melt filtration, metering successively again.
8. method according to claim 7 is characterized in that: in the step (1), the temperature of said heating plasticizing is 255 ℃ ~ 285 ℃.
9. according to claim 7 or 8 described methods, it is characterized in that: in the step (2), the temperature of the heating plasticizing of said nice and cool coloured polyamide master batch is 250 ℃ ~ 290 ℃, and the temperature of the heating plasticizing of said polyamide is 255 ℃ ~ 290 ℃.
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| CN103074701A (en) * | 2013-01-11 | 2013-05-01 | 中国人民解放军总后勤部军需装备研究所 | Low-melting-point polyamide composite fiber and preparation method thereof |
| CN103088459A (en) * | 2013-02-07 | 2013-05-08 | 浙江蓝天海纺织服饰科技有限公司 | Polyamide-based cooling fiber and yarn |
| CN103110221A (en) * | 2013-02-07 | 2013-05-22 | 浙江蓝天海纺织服饰科技有限公司 | Tooling fabric with cooling function and uvio-resistant function |
| CN103938285A (en) * | 2014-04-10 | 2014-07-23 | 苏州顶智特种纤维科技有限公司 | Modified nylon-6 cool DTY filament production method |
| CN104153035A (en) * | 2014-07-24 | 2014-11-19 | 江苏红豆实业股份有限公司 | Cool flame-retardant recycled polyester filament fiber and production method thereof |
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| CN111295469A (en) * | 2017-11-01 | 2020-06-16 | 柏尔股份有限公司 | Methods and compositions for cooling yarns and fabrics and articles comprising cooled yarns and fabrics |
| CN112695396A (en) * | 2020-12-17 | 2021-04-23 | 厦门安踏体育用品有限公司 | Preparation process of cool quick-drying composite fiber and fabric |
| CN114197067A (en) * | 2022-01-20 | 2022-03-18 | 福建永荣锦江股份有限公司 | Cool master batch for polyamide 6 fiber and preparation method and application thereof |
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| CN103074701A (en) * | 2013-01-11 | 2013-05-01 | 中国人民解放军总后勤部军需装备研究所 | Low-melting-point polyamide composite fiber and preparation method thereof |
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| CN103110221A (en) * | 2013-02-07 | 2013-05-22 | 浙江蓝天海纺织服饰科技有限公司 | Tooling fabric with cooling function and uvio-resistant function |
| CN103110221B (en) * | 2013-02-07 | 2014-09-24 | 浙江蓝天海纺织服饰科技有限公司 | Tooling fabric with cooling function and uvio-resistant function |
| CN103088459B (en) * | 2013-02-07 | 2014-11-05 | 浙江蓝天海纺织服饰科技有限公司 | Polyamide-based cooling fiber and yarn |
| CN103938285A (en) * | 2014-04-10 | 2014-07-23 | 苏州顶智特种纤维科技有限公司 | Modified nylon-6 cool DTY filament production method |
| CN104610697A (en) * | 2014-05-15 | 2015-05-13 | 浙江三赢医疗器械有限公司 | TPE, and manufacturing method and application thereof |
| CN104153035A (en) * | 2014-07-24 | 2014-11-19 | 江苏红豆实业股份有限公司 | Cool flame-retardant recycled polyester filament fiber and production method thereof |
| CN104153035B (en) * | 2014-07-24 | 2016-08-31 | 江苏红豆实业股份有限公司 | Fire-retardant nice and cool recycled polyester filament fiber and production method thereof |
| CN106757505A (en) * | 2016-12-28 | 2017-05-31 | 厦门安踏体育用品有限公司 | A kind of ice sense mosquito proof fiber and preparation method thereof and ice sense anti-mosquito fabric |
| CN111295469A (en) * | 2017-11-01 | 2020-06-16 | 柏尔股份有限公司 | Methods and compositions for cooling yarns and fabrics and articles comprising cooled yarns and fabrics |
| CN109306547A (en) * | 2018-08-29 | 2019-02-05 | 青岛拜伦湾科技有限公司 | A kind of manufacturing method of coloured nice and cool polyethylene polyamide compound fibre |
| CN109295533A (en) * | 2018-09-18 | 2019-02-01 | 广东山石微量元素研究院（普通合伙） | A kind of spandex fibre of the micro mist containing Khotan jade and preparation method thereof |
| CN109825898A (en) * | 2019-02-03 | 2019-05-31 | 上海海春纺织科技有限公司 | Functional fibre and its preparation method and application |
| CN111172619A (en) * | 2020-01-20 | 2020-05-19 | 上海海春纺织科技有限公司 | Fiber, preparation method, application and textile thereof |
| CN112695396A (en) * | 2020-12-17 | 2021-04-23 | 厦门安踏体育用品有限公司 | Preparation process of cool quick-drying composite fiber and fabric |
| CN114197067A (en) * | 2022-01-20 | 2022-03-18 | 福建永荣锦江股份有限公司 | Cool master batch for polyamide 6 fiber and preparation method and application thereof |
| CN114197067B (en) * | 2022-01-20 | 2023-10-13 | 福建永荣锦江股份有限公司 | Cool master batch for polyamide 6 fibers and preparation method and application thereof |
| CN114990716A (en) * | 2022-06-02 | 2022-09-02 | 青岛新维纺织研究院有限公司 | Cool fiber and preparation method thereof |
| CN114990716B (en) * | 2022-06-02 | 2024-04-09 | 青岛新维纺织研究院有限公司 | Cool feeling fiber and preparation method thereof |
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