CN102733003B - 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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- CN102733003B CN102733003B CN201210251398.7A CN201210251398A CN102733003B CN 102733003 B CN102733003 B CN 102733003B CN 201210251398 A CN201210251398 A CN 201210251398A CN 102733003 B CN102733003 B CN 102733003B
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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 is mainly by forming containing the hydrosilicate of sodium, calcium, magnesium, aluminium and some other trace element.Due to its special composition and larger density, its physical property has larger specific heat of combustion and thermal conductivity factor, therefore, in the time that human body skin contacts, can produce nice and cool sensation.Textile fabric manufacturing enterprise has developed the superfine powder that utilizes jade material to prepare at present, method by jade powder and high polymer co-blended spinning is produced long filament and the staple fibre with cooling feeling, the application documents that wherein application number is 200710023666.9 disclose the preparation method of relevant jade fiber, also have the introduction of a large amount of modes of production about jade fiber in relevant Chinese Textile Journals document.In prior art, all adopt jade material powder by being prepared into master batch with high polymer blend, then the mode of adding by master batch, prepare jade fiber with high polymer co-blended spinning.This processing method is simple, can on one pack system spinning equipment, realize, and the jade fiber forming is characterized as jade material powder and is dispersed in whole fibrous inside.Because jade material powder is inorganic matter, although present the superfine powder of submicron order, for high polymer fibre, adding of jade powder, will have influence on the intensity of high polymer fibre.In order to ensure the intensity of high polymer fibre, therefore jade powder addition will be restricted, and less addition will directly have influence on the cooling function of jade fiber.Therefore need to provide a kind of composite fibre that had not only there is higher-strength but also there is cooling function.
Summary of the invention
The object 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 good mechanical property.
The coloured nice and cool polyamide compound fibre of one provided by the present invention, this composite fibre is skin-core structure;
The cortex of described composite fibre is at least one blend in polyamide, jade powder and pigment and dyestuff;
The sandwich layer of described composite fibre is polyamide.
In above-mentioned coloured nice and cool polyamide compound fibre, the particle diameter of described jade powder can be 0.5 ~ 1 μ m, as 0.5 μ m ~ 0.7 μ m, 0.5 μ m, 0.7 μ m or 1 μ m.
In above-mentioned coloured nice and cool polyamide compound fibre, described pigment can be inorganic pigment, and described dyestuff can be DISPERSE DYES.
In above-mentioned coloured nice and cool polyamide compound fibre, in described composite fibre, the ratio of quality and the number of copies of described cortex and described sandwich layer can be (3 ~ 7): (3 ~ 7), specifically can be 3:7,1:1 or 7:3.
In above-mentioned coloured nice and cool polyamide compound fibre, in described cortex, the quality percentage composition of described jade powder can be 10% ~ 30%, specifically can be 10%, 20% or 30%, the quality percentage composition of described pigment and/or dyestuff can be 10% ~ 20%, specifically can be 10% or 20%;
The feature viscosity of polyamide described in described cortex can be 2.6 ~ 2.8dL/g, and as 2.6dL/g or 2.8dL/g, the feature viscosity of polyamide described in described sandwich layer can be 2.2 ~ 2.4dL/g, as 2.2dL/g or 2.4dL/g.
In above-mentioned coloured nice and cool polyamide compound fibre, the cross sectional shape of described composite fibre can be triangle.
The present invention also further provides the preparation method of above-mentioned composite fibre, comprises the steps:
(1) by the polyamide of above-mentioned quality proportioning, jade powder, at least one mixes with pigment and dyestuff, then successively through heating plasticizing, extrude with granulation and obtain nice and cool coloured polyamide master batch;
(2) by nice and cool coloured polyamide master batch of above-mentioned quality proportioning and polyamide respectively after heating plasticizing, more successively through melt filtration, metering extrude, composite spinning, cooling fibroblast, drawing-off setting and sub-wire coiling and molding obtain described product.
In above-mentioned preparation method, in step (1), the temperature of described heating plasticizing can be 255 DEG C ~ 285 DEG C.
In above-mentioned preparation method, in step (2), the temperature of the heating plasticizing of described nice and cool coloured polyamide master batch can be 250 DEG C ~ 290 DEG C, and the temperature of the heating plasticizing of described polyamide can be 255 DEG C ~ 290 DEG C.
Nice and cool polyamide compound fibre provided by the invention, it is core-skin formula structure, in its cortex, add the jade powder of high-load, and polyamide plays the effect that maintains fabric integer intensity in its sandwich layer, thereby ensure the nice and cool property contacting with human body skin and maintained the normal mechanical property of fiber to obtain good unification; Simultaneously owing to adopting pigment and/or dyestuff, therefore in the preparation process of product without dyeing, there is no dyeing waste-water, be conducive to environmental protection.
Detailed description of the invention
The experimental technique using in following embodiment if no special instructions, is conventional method.
Material, reagent etc. used in following embodiment, if no special instructions, all can obtain from commercial channels.
The method of testing of the tensile property of the cool fiber of preparing in following embodiment is: the method specifying according to GB/T14344 is tested.
The method of testing of the thermal conductivity factor of the cool fiber of preparing in following embodiment is: cool fiber is prepared into fibrofelt, and the method specifying according to GB/T17911.8 is tested.
Embodiment 1, the blue nice and cool polyamide fiber of preparation
(1) (particle diameter is that the disperse blue DISPERSE DYES (BGE-01) of 0.5 μ m) He 20% is tentatively mixed for the polyamide powder that is 70% by quality percentage composition, 10% jade micro mist powder, and through 1500r/min(255 × g) high-speed stirred is fully mixed, and be placed in screw extruder heating plasticizing, extrude, cooling and cutting granulation, obtain nice and cool blue polyamide master batch, wherein before and after heating plasticizing screw extruder, the temperature in district is respectively 255 DEG C, 258 DEG C, 265 DEG C and 280 DEG C, is cooled to normal temperature water-cooled.
(2) nice and cool blue polyamide master batch step (1) being obtained and polyamide section are dry respectively, be 3:7 by nice and cool blue polyamide master batch and polyamide chipping qualities portion rate, insert respectively in composite spinning equipment and carry out heating plasticizing, before and after nice and cool blue polyamide master batch heating plasticizing screw extruder, the temperature in district is respectively 250 DEG C, 255 DEG C, 260 DEG C, 275 DEG C and 280 DEG C; Before and after polyamide section heating plasticizing screw extruder, the temperature in district is respectively 255 DEG C, 258 DEG C, 265 DEG C, 275 DEG C and 283 DEG C; Again through melt filtration, metering extrude, composite spinning, cooling fibroblast, drawing-off setting and sub-wire coiling and molding, obtain nice and cool blue polyamide bicomponent filament yarn fiber; When composite spinning, adopt the spinnerets of triangle spinneret orifice form, the cross sectional shape of available nice and cool green black colour polyamide filaments fiber is core-skin formula triangle.
In composite fibre prepared by the present embodiment, the feature viscosity of the polyamide in its cortex can be 2.6dL/g, and the feature viscosity of the polyamide in sandwich layer is 2.4dL/g.
Coloured nice and cool polyamide fiber prepared by the present embodiment and conventional polyamide fiber adopt tensile strength machine to carry out tensile property test simultaneously, recording respectively coloured nice and cool polyamide fiber TENSILE STRENGTH is 4.75cN/dtex, and conventional polyamide fiber TENSILE STRENGTH is 4.86cN/dtex; Adopt thermal conductivity measuring apparatus, this fiber is carried out to Measured Results of Thermal Conductivity, recording coloured nice and cool polyamide fiber thermal conductivity factor is 0.532W/m DEG C, and conventional polyamide fiber thermal conductivity factor is 0.327W/m DEG C.
Embodiment 2, the green nice and cool polyamide fiber of preparation
(1) the polyamide powder that is 70% by quality percentage composition, 20% jade micro mist powder (particle diameter be 1 μ m), 10% the green inorganic pigment of the phthalein mountain valley with clumps of trees and bamboo (L9361) tentatively mixes, and through 1500r/min(255 × g) high-speed stirred is fully mixed, and be placed in screw extruder heating plasticizing, extrude, cooling, cutting granulation, obtain nice and cool green polyamide master batch, wherein before and after heating plasticizing screw extruder, the temperature in district is respectively 255 DEG C, 260 DEG C, 268 DEG C and 285 DEG C, is cooled to normal temperature water-cooled.
(2) nice and cool green polyester master particle step (1) being obtained and polyester slice are dry respectively, be 5:5 by nice and cool green polyester master particle and polyester slice ratio of quality and the number of copies, insert respectively in composite spinning equipment and carry out heating plasticizing, before and after nice and cool green polyamide master batch heating plasticizing screw extruder, the temperature in district is respectively 250 DEG C, 255 DEG C, 265 DEG C, 280 DEG C and 287 DEG C; Before and after polyamide section heating plasticizing screw extruder, the temperature in district is respectively 255 DEG C, 258 DEG C, 265 DEG C, 275 DEG C and 283 DEG C; Again through melt filtration, metering extrude, composite spinning, cooling fibroblast, drawing-off setting and sub-wire coiling and molding, obtain nice and cool green polyamide bicomponent filament yarn fiber; When composite spinning, adopt the spinnerets of triangle spinneret orifice form, the cross sectional shape of the nice and cool green polyester filament fiber that can acquire is core-skin formula triangle.
In composite fibre prepared by the present embodiment, the feature viscosity of the polyamide in its cortex can be 2.8dL/g, and the feature viscosity of the polyamide in sandwich layer is 2.4dL/g.
Coloured nice and cool polyamide fiber prepared by the present embodiment and conventional polyamide fiber adopt tensile strength machine to carry out tensile property test simultaneously, recording respectively coloured nice and cool polyamide fiber TENSILE STRENGTH is 4.55cN/dtex, and conventional polyamide fiber TENSILE STRENGTH is 4.86cN/dtex; Adopt thermal conductivity measuring apparatus, this fiber is carried out to Measured Results of Thermal Conductivity, recording coloured nice and cool polyamide fiber thermal conductivity factor is 0.902W/m DEG C, and conventional polyamide fiber thermal conductivity factor is 0.327W/m DEG C.
Embodiment 3, the red nice and cool polyamide fiber of preparation
(1) (particle diameter is that the disperse yellow DISPERSE DYES (N-RGFL) of 0.7 μ m) He 10% is tentatively mixed for the polyester powder that is 60% by quality percentage composition, 30% jade micro mist powder, and through 1500r/min(255 × g) high-speed stirred is fully mixed, and be placed in screw extruder heating plasticizing, extrude, cooling, cutting granulation, obtain nice and cool yellow polyamide master batch, wherein before and after heating plasticizing screw extruder, the temperature in district is respectively 255 DEG C, 258 DEG C, 265 DEG C and 280 DEG C, is cooled to normal temperature water-cooled.
(2) nice and cool yellow polyester master particle step (3) being obtained and polyester slice are dry respectively, be 7:3 by nice and cool yellow polyester master particle and polyester slice ratio of quality and the number of copies, insert respectively in composite spinning equipment and carry out heating plasticizing, before and after nice and cool yellow polyamide master batch heating plasticizing screw extruder, the temperature in district is respectively 250 DEG C, 255 DEG C, 260 DEG C, 275 DEG C and 280 DEG C; Before and after polyamide section heating plasticizing screw extruder, the temperature in district is respectively 255 DEG C, 258 DEG C, 265 DEG C, 275 DEG C and 283 DEG C; Again through melt filtration, metering extrude, composite spinning, cooling fibroblast, drawing-off setting and sub-wire coiling and molding, obtain nice and cool yellow polyester compound filament fiber; When composite spinning, adopt the spinnerets of triangle spinneret orifice form, the cross sectional shape of available nice and cool yellow polyester filament fiber is core-skin formula triangle.
In composite fibre prepared by the present embodiment, the feature viscosity of the polyamide in its cortex can be 2.8dL/g, and the feature viscosity of the polyamide in sandwich layer is 2.2dL/g.
Coloured nice and cool polyamide fiber prepared by the present embodiment and conventional polyamide fiber adopt tensile strength machine to carry out tensile property test simultaneously, recording respectively coloured nice and cool polyamide fiber TENSILE STRENGTH is 4.47cN/dtex, and conventional polyamide fiber TENSILE STRENGTH is 4.86cN/dtex; Adopt Determination of conductive coefficients instrument, this fiber is carried out to Measured Results of Thermal Conductivity, recording coloured nice and cool polyamide fiber thermal conductivity factor is 0.956W/m DEG C, and conventional polyamide fiber thermal conductivity factor is 0327W/m DEG C.
Claims (7)
1. a coloured nice and cool polyamide compound fibre, is characterized in that: described composite fibre is skin-core structure;
The cortex of described composite fibre is at least one blend in polyamide, jade powder and pigment and dyestuff;
The sandwich layer of described composite fibre is polyamide;
The particle diameter of described jade powder is 0.5～1 μ m;
In described composite fibre, the ratio of quality and the number of copies of described cortex and described sandwich layer is (3～7): (3～7);
In described cortex, the quality percentage composition of described jade powder is 10%～30%, and the quality percentage composition of described pigment and/or dyestuff is 10%～20%.
2. composite fibre according to claim 1, is characterized in that: described pigment is inorganic pigment, and described dyestuff is DISPERSE DYES.
3. composite fibre according to claim 1, is characterized in that: the feature viscosity of polyamide described in described cortex is 2.6～2.8dL/g, and the feature viscosity of polyamide described in described sandwich layer is 2.2～2.4dL/g.
4. according to arbitrary described composite fibre in claim 1-3, it is characterized in that: the cross sectional shape of described composite fibre is triangle.
5. the preparation method of arbitrary described composite fibre in claim 1-4, comprises the steps:
(1) by the polyamide of certain mass proportioning, jade powder, at least one mixes with pigment and dyestuff, then successively through heating plasticizing, extrude with granulation and obtain nice and cool coloured polyamide master batch;
(2) by nice and cool coloured polyamide master batch of certain mass proportioning and polyamide respectively after heating plasticizing, more successively through melt filtration, metering extrude, composite spinning, cooling fibroblast, drawing-off setting and sub-wire coiling and molding obtain described composite fibre.
6. method according to claim 5, is characterized in that: in step (1), the temperature of described heating plasticizing is 255 DEG C～285 DEG C.
7. according to the method described in claim 5 or 6, it is characterized in that: in step (2), the temperature of the heating plasticizing of described nice and cool coloured polyamide master batch is 250 DEG C～290 DEG C, and the temperature of the heating plasticizing of described polyamide is 255 DEG C～290 DEG C.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210251398.7A CN102733003B (en) | 2012-07-19 | 2012-07-19 | Colored and cool polyamide composite fiber and preparation method thereof |
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| CN201210251398.7A CN102733003B (en) | 2012-07-19 | 2012-07-19 | Colored and cool polyamide composite fiber and preparation method thereof |
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| CN102733003A CN102733003A (en) | 2012-10-17 |
| CN102733003B true CN102733003B (en) | 2014-09-24 |
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| CN103074701B (en) * | 2013-01-11 | 2014-12-24 | 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 |
| 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 |
| 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 |
| 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 |
| 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 |
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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 |
| 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 |
| CN112695396B (en) * | 2020-12-17 | 2022-07-05 | 厦门安踏体育用品有限公司 | Preparation process of cool quick-drying composite fiber and fabric |
| 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 |
| 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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