CN106757439A - A kind of moisture absorbing and sweat releasing, heating and insulation multifunctional fibre and preparation method thereof - Google Patents
A kind of moisture absorbing and sweat releasing, heating and insulation multifunctional fibre and preparation method thereof Download PDFInfo
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- 239000000835 fiber Substances 0.000 title claims abstract description 86
- 238000010438 heat treatment Methods 0.000 title claims abstract description 36
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 238000009413 insulation Methods 0.000 title claims description 13
- 210000004243 sweat Anatomy 0.000 title claims description 12
- 229920000728 polyester Polymers 0.000 claims abstract description 29
- 239000000843 powder Substances 0.000 claims abstract description 20
- 239000002245 particle Substances 0.000 claims description 17
- 238000002074 melt spinning Methods 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 239000000919 ceramic Substances 0.000 claims description 4
- 229910021389 graphene Inorganic materials 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 3
- 238000005469 granulation Methods 0.000 claims description 2
- 230000003179 granulation Effects 0.000 claims description 2
- 229910052723 transition metal Inorganic materials 0.000 claims description 2
- 150000003624 transition metals Chemical class 0.000 claims description 2
- 239000010954 inorganic particle Substances 0.000 claims 2
- 238000003756 stirring Methods 0.000 claims 1
- 238000009987 spinning Methods 0.000 abstract description 23
- 230000006870 function Effects 0.000 abstract description 10
- 238000010521 absorption reaction Methods 0.000 abstract description 9
- 238000004321 preservation Methods 0.000 abstract description 7
- 230000020169 heat generation Effects 0.000 abstract description 6
- 239000002657 fibrous material Substances 0.000 abstract description 2
- 239000004594 Masterbatch (MB) Substances 0.000 description 12
- 239000008187 granular material Substances 0.000 description 6
- 239000004744 fabric Substances 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 3
- 230000004224 protection Effects 0.000 description 3
- 206010013786 Dry skin Diseases 0.000 description 2
- 229910021393 carbon nanotube Inorganic materials 0.000 description 2
- 239000002041 carbon nanotube Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 241000736305 Marsilea quadrifolia Species 0.000 description 1
- 235000006040 Prunus persica var persica Nutrition 0.000 description 1
- 240000006413 Prunus persica var. persica Species 0.000 description 1
- 230000006750 UV protection Effects 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000036760 body temperature Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 238000000554 physical therapy Methods 0.000 description 1
- 230000009993 protective function Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- MTPVUVINMAGMJL-UHFFFAOYSA-N trimethyl(1,1,2,2,2-pentafluoroethyl)silane Chemical compound C[Si](C)(C)C(F)(F)C(F)(F)F MTPVUVINMAGMJL-UHFFFAOYSA-N 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Classifications
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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
- D01D5/253—Formation of filaments, threads, or the like with a non-circular cross section; Spinnerette packs therefor
-
- 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
- D01D5/24—Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor
-
- 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
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
-
- 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
- D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
- D01F6/92—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of polyesters
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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)
- Manufacturing & Machinery (AREA)
- Artificial Filaments (AREA)
Abstract
本发明公开了一种吸湿排汗、发热和保温多功能纤维及其制备方法，属于功能纤维材料技术领域。本发明的功能纤维包括纤维本体，纤维本体的截面形状为圆形，圆周上向外均匀形成若干个凸起的异形结构，纤维本体的内部开设有圆形空腔，且纤维本体由发热纤维单丝并列集束在一起构成。本发明采用喷丝板为内部中空，截面形状为圆形圆周上向外均匀形成若干个凸起的异形结构的双螺杆纺丝机，将无机发热粉体与聚酯按照一定质量百分比进行熔融纺丝，制备得到功能纤维。本发明的功能纤维兼具吸湿排汗、发热和保温功能的纤维，可用于智能服装领域。
The invention discloses a moisture-absorbing, perspiration-absorbing, heat-retaining and heat-retaining multifunctional fiber and a preparation method thereof, belonging to the technical field of functional fiber materials. The functional fiber of the present invention includes a fiber body. The cross-sectional shape of the fiber body is circular, and several protruding special-shaped structures are uniformly formed outward on the circumference. A circular cavity is opened inside the fiber body, and the fiber body is composed of a heating fiber The wires are bundled together to form. The present invention adopts a twin-screw spinning machine in which the spinneret is hollow inside, and the cross-sectional shape is a special-shaped structure with several protrusions uniformly formed outward on the circular circumference, and melt-spins the inorganic heating powder and polyester according to a certain mass percentage. silk to prepare functional fibers. The functional fiber of the present invention has the functions of moisture absorption and perspiration, heat generation and heat preservation, and can be used in the field of smart clothing.
Description
技术领域technical field
本发明涉及功能纤维材料技术领域，具体地涉及一种吸湿排汗、发热和保温多功能纤维及其制备方法。The invention relates to the technical field of functional fiber materials, in particular to a moisture-absorbing, sweat-absorbing, heating and heat-retaining multifunctional fiber and a preparation method thereof.
背景技术Background technique
功能纤维是指除一般纤维所具有的物理机械性能以外,还具有某种特殊功能的新型纤维，如具有保健功能(抗菌、杀螨、理疗及除异味等)；防护功能(防辐射、抗静电、抗紫外线等)；医疗和环保功能(生物相容性和生物降解性)等；功能纤维的发展是现代纤维科学进步的象征，功能纤维的发展为传统纺织工业的技术创新，向高科技产业的转化创造了有利条件，为人类生活水平的提高作出了贡献。Functional fiber refers to a new type of fiber that has certain special functions in addition to the physical and mechanical properties of ordinary fibers, such as health care functions (antibacterial, mite killing, physiotherapy and odor removal, etc.); protective functions (radiation protection, antistatic , UV resistance, etc.); medical and environmental protection functions (biocompatibility and biodegradability), etc.; the development of functional fibers is a symbol of the progress of modern fiber science. The transformation of the environment has created favorable conditions and contributed to the improvement of human living standards.
中国发明专利申请(申请公布号：CN104213242A，申请公布日：2014-12-17)公开了一种吸光发热功能性纤维及其纺丝加工工艺及面料，该发明专利申请的吸光发热功能性纤维是由重量份数不少于90份的聚酯切片、重量份数为1份～10份的无机黑色粒子、以及重量份数为0份～9份的色母粒经干燥混合后熔融纺丝加工制备得到，并且吸光发热功能性纤维最终经过针织大圆机织造、落水定型而制成具有吸光发热功能的面料，该发明专利申请提供了一种吸光发热功能性纤维及其纺丝加工工艺及面料，其能解决现有保温蓄热功能性纤维或织物吸热效率较差的问题，并且其织造后也不需要再进行染色，从而能够达到节能减排的目的。Chinese invention patent application (application publication number: CN104213242A, application publication date: 2014-12-17) discloses a light-absorbing and heating functional fiber and its spinning process and fabric. The light-absorbing and heating functional fiber of the invention patent application is It consists of not less than 90 parts by weight of polyester chips, 1 to 10 parts by weight of inorganic black particles, and 0 to 9 parts by weight of masterbatches, which are melt-spun after drying and mixing. The light-absorbing and heat-generating functional fiber is prepared, and the light-absorbing and heat-generating functional fiber is finally woven by a large circular knitting machine, and the fabric with the light-absorbing and heat-emitting function is formed. This patent application provides a light-absorbing and heat-emitting functional fiber and its spinning processing technology and fabric. It can solve the problem of poor heat absorption efficiency of the existing thermal insulation and heat storage functional fibers or fabrics, and it does not need to be dyed after weaving, so as to achieve the purpose of energy saving and emission reduction.
中国实用新型专利(授权公告号：CN204825149U,授权公告号：2015-12-02)公开了涤纶异形纤维，包括截面为圆形的本体，本体中心处设有圆形通孔，圆形通孔的外缘周向均布若干第一凹槽，圆形通孔的外围周向均布若干椭圆形通孔和腰圆形通孔，椭圆形通孔的数量和第一凹槽的数量相等，椭圆形通孔的其中一个长轴端部伸入第一凹槽，椭圆形通孔的两个短轴端部设有第二凹槽，相邻两个椭圆形通孔之间设有弧形的腰圆形通孔，腰圆形通孔的两端部分别伸入对应的两个椭圆形通孔的第二凹槽内，本体外缘周向均布若干与腰圆形通孔相对的第三凹槽，第三凹槽的数量和腰圆形通孔的数量相等。该涤纶异形纤维弹性高，强度高，吸湿性好，抗起球能力强。Chinese utility model patent (authorized announcement number: CN204825149U, authorized announcement number: 2015-12-02) discloses polyester special-shaped fibers, including a body with a circular cross section, a circular through hole in the center of the body, and a round through hole. A number of first grooves are evenly distributed around the outer edge, and a number of oval through holes and waist-round through holes are evenly distributed around the periphery of the circular through hole. The number of oval through holes is equal to the number of first grooves, and the number of oval through holes One of the long-axis ends extends into the first groove, the two short-axis ends of the oval through holes are provided with second grooves, and an arc-shaped waist-shaped through hole is arranged between two adjacent oval through holes. The two ends of the waist-shaped through-hole respectively extend into the second grooves of the corresponding two oval-shaped through-holes, and the outer edge of the body is uniformly distributed with a number of third grooves opposite to the waist-shaped through-hole. The number of grooves is equal to the number of waist circular through holes. The polyester profiled fiber has high elasticity, high strength, good hygroscopicity and strong anti-pilling ability.
目前尚未有兼具吸湿排汗、发热和保温功能的多功能纤维的报道。At present, there are no reports of multifunctional fibers with the functions of moisture absorption and perspiration, heat generation and heat preservation.
发明内容Contents of the invention
本发明的目的在于公开了一种吸湿排汗、发热和保温多功能纤维及其制备方法。本发明的功能纤维包括纤维本体，纤维本体的截面形状为圆形圆周上向外均匀形成若干个凸起的异形结构，使得纤维表面形成若干个凹槽，故具备吸湿排汗的功能，纤维本体的内部开设有圆形空腔，中空的结构可以降低纤维的散热速率，使得纤维具有一定的保温性能，且纤维本体由发热纤维单丝并列集束在一起构成，赋予了该功能纤维发热性能，因此本发明的纤维本体兼具吸湿排汗、及发热和保温功能，可用于智能服装领域。The object of the invention is to disclose a multifunctional fiber of moisture absorption and perspiration, heat generation and heat preservation and a preparation method thereof. The functional fiber of the present invention includes a fiber body. The cross-sectional shape of the fiber body is a special-shaped structure with several protrusions uniformly formed outward on the circular circumference, so that several grooves are formed on the surface of the fiber, so it has the function of moisture absorption and perspiration. The fiber body There is a circular cavity inside, the hollow structure can reduce the heat dissipation rate of the fiber, so that the fiber has a certain thermal insulation performance, and the fiber body is composed of heating fiber monofilaments arranged side by side, which endows the functional fiber with heating performance, so The fiber body of the present invention has the functions of moisture absorption and perspiration, heat generation and heat preservation, and can be used in the field of smart clothing.
为实现上述目的，本发明公开了一种吸湿排汗、发热和保温多功能纤维，包括纤维本体，所述纤维本体的截面形状为圆形圆周上向外均匀形成若干个凸起的异形结构，所述纤维本体的内部开设有圆形空腔，且纤维本体由发热纤维单丝并列集束在一起构成。In order to achieve the above purpose, the present invention discloses a moisture-absorbing, sweat-wicking, heat-retaining and heat-retaining multifunctional fiber, which includes a fiber body. The cross-sectional shape of the fiber body is a special-shaped structure with several protrusions uniformly formed outward on the circumference of a circle. A circular cavity is opened inside the fiber body, and the fiber body is composed of heating fiber monofilaments bundled together side by side.
进一步地，所述异形结构中的凸起为弧形凸起、矩形凸起、锯齿状凸起中的一种。Further, the protrusions in the special-shaped structure are one of arc-shaped protrusions, rectangular protrusions, and serrated protrusions.
再进一步地，所述发热纤维单丝为无机发热粒子改性聚酯单丝，所述无机发热粒子改性聚酯单丝由质量百分比为60％～99.9％：0.1％～40％的聚酯和无机发热粒子制备而成。Still further, the heating fiber monofilament is an inorganic heating particle modified polyester monofilament, and the inorganic heating particle modified polyester monofilament is composed of 60% to 99.9% by mass: 0.1% to 40% polyester Prepared with inorganic heat-generating particles.
更进一步地，所述聚酯为PET、PBT、PTT中的一种或一种以上按任意配比的混合物；所述无机发热粒子为远红外陶瓷粉、石墨烯、碳纳米管、过渡金属的碳化物中的一种或一种以上按任意配比的混合物。Furthermore, the polyester is a mixture of one or more of PET, PBT, and PTT in any proportion; the inorganic heating particles are far-infrared ceramic powder, graphene, carbon nanotubes, and transition metals. A mixture of one or more carbides in any proportion.
更进一步地，所述无机发热粒子的粒径为1000～15000目。Furthermore, the particle diameter of the inorganic heat-generating particles is 1000-15000 mesh.
为实现本发明的目的，本发明还公开了一种技术方案，即一种吸湿排汗、发热保温多功能纤维的制备方法，包括如下步骤：In order to achieve the purpose of the present invention, the present invention also discloses a technical solution, that is, a method for preparing a moisture-absorbing, perspiration-absorbing, heat-retaining multifunctional fiber, comprising the following steps:
1)将无机发热粒子和聚酯按照相应的质量百分比进行充分混合干燥，搅拌均匀后经双螺杆挤出机造粒，制备得到发热粉体改性聚酯母粒；1) fully mixing and drying the inorganic heat-generating particles and polyester according to the corresponding mass percentage, and then granulating through a twin-screw extruder to prepare heat-generating powder modified polyester masterbatch;
2)将所述步骤1)得到的发热粉体改性聚酯母粒置于双螺杆纺丝机中进行熔融纺丝，制备得到吸湿排汗、发热保温多功能纤维，且所述双螺杆纺丝机的喷丝板为内部中空，截面形状为圆形圆周上向外均匀形成若干个凸起的异形结构。2) Put the heat-generating powder modified polyester masterbatch obtained in step 1) into a twin-screw spinning machine for melt spinning to prepare a multifunctional fiber with moisture absorption and perspiration, heat generation and heat preservation, and the twin-screw spinning The spinneret of the wire machine is hollow inside, and the cross-sectional shape is a special-shaped structure with several protrusions uniformly formed outward on the circumference of a circle.
进一步地，所述步骤2)中，熔融纺丝的温度为200～300℃。Further, in the step 2), the temperature of melt spinning is 200-300°C.
再进一步地，所述步骤1)中，双螺杆挤出机造粒的温度为200～270℃。Still further, in the step 1), the granulation temperature of the twin-screw extruder is 200-270°C.
有益效果：Beneficial effect:
1、本发明的纤维本体的截面形状为圆形圆周上向外均匀形成若干个凸起的异形结构，使得纤维表面形成若干个凹槽，不仅使纤维的表面积较圆形纤维的表面积有所增大，而且借助凹槽的芯吸导湿结构，使纤维能达到迅速吸湿排汗的功能，保持肌肤干爽与凉快；纤维本体的内部开设有圆形空腔，中空的结构可以降低纤维的散热速率，使得纤维具有一定的保温性能；1. The cross-sectional shape of the fiber body of the present invention is a special-shaped structure with several protrusions uniformly formed outward on the circular circumference, so that several grooves are formed on the surface of the fiber, which not only increases the surface area of the fiber compared with the surface area of the circular fiber Large, and with the help of the wicking and moisture-conducting structure of the groove, the fiber can quickly absorb moisture and wick away sweat, keeping the skin dry and cool; there is a circular cavity inside the fiber body, and the hollow structure can reduce the heat dissipation rate of the fiber , so that the fiber has a certain thermal insulation performance;
2、本发明纤维本体由发热纤维单丝并列集束在一起构成，发热纤维单丝为无机发热粒子改性聚酯单丝，采用聚酯和无机发热粒子共混，赋予材料一定的发热功能；2. The fiber body of the present invention is composed of heating fiber monofilaments juxtaposed and bundled together. The heating fiber monofilaments are polyester monofilaments modified by inorganic heating particles. Polyester and inorganic heating particles are blended to endow the material with a certain heating function;
3、使用本发明制备的吸湿排汗、发热和保温多功能纤维，红外线可以穿透纤维本体的表面，吸收来自外界和人体的红外线，发生光热转换现象，使纤维表面温度升高，人体在低温环境下感到暖和；纤维的中空结构可以降低纤维的散热系数，具有保温功功能，降低人体在低温环境下的热量损失；纤维本体截面形状的异形结构使纤维表面形成凹槽，借助凹槽的芯吸导湿结构，迅速吸收皮肤表层湿气及汗水，并瞬间排出体外，从而达到吸湿排汗、调节体温的目的，使肌肤保持干爽与凉快，因此本发明的功能纤维可用于智能服装领域。3. Using the moisture-absorbing, sweat-wicking, heating and heat-preserving multifunctional fibers prepared by the present invention, infrared rays can penetrate the surface of the fiber body, absorb infrared rays from the outside world and the human body, and cause light-to-heat conversion, which will increase the temperature of the fiber surface, and the human body will Feel warm in low temperature environment; the hollow structure of the fiber can reduce the heat dissipation coefficient of the fiber, has the function of heat preservation, and reduces the heat loss of the human body in the low temperature environment; the special-shaped structure of the cross-sectional shape of the fiber body makes the surface of the fiber form grooves The wicking and moisture-conducting structure quickly absorbs moisture and sweat on the skin surface, and instantly excretes it from the body, thereby achieving the purpose of moisture absorption and perspiration, regulating body temperature, and keeping the skin dry and cool. Therefore, the functional fiber of the present invention can be used in the field of smart clothing.
附图说明Description of drawings
图1至图6为本发明实施例纤维本体的截面形状的结构示意图。1 to 6 are structural schematic diagrams of the cross-sectional shape of the fiber body of the embodiment of the present invention.
具体实施方式detailed description
为了更好地解释本发明，以下结合具体实施例和附图进一步阐明本发明的主要内容，但本发明的内容不仅仅局限于以下实施例。In order to better explain the present invention, the main content of the present invention is further clarified below in conjunction with specific embodiments and accompanying drawings, but the content of the present invention is not limited to the following examples.
实施例1Example 1
将99.9kg PET和0.1kg目数为5000目的碳纳米管粉体充分混合，搅拌均匀后经双螺杆挤出机造粒，双螺杆挤出机的工作温度为200℃，制备得到发热粉体改性聚酯母粒；再将100kg发热粉体改性聚酯母粒置于双螺杆纺丝机中进行熔融纺丝，控制纺丝温度为220℃，且双螺杆纺丝机的喷丝板为内部中空，截面形状为圆形圆周上向外均匀形成若干个凸起的异形结构，本实施例优选为异形结构中的凸起为弧形凸起，如图1所示的花瓣状，最终制备得到吸湿排汗、发热和保温多功能纤维。Fully mix 99.9kg PET and 0.1kg carbon nanotube powder with a mesh number of 5000, and then granulate through a twin-screw extruder. 100kg heat-generating powder modified polyester masterbatch is placed in a twin-screw spinning machine for melt spinning, the spinning temperature is controlled at 220°C, and the spinneret of the twin-screw spinning machine is The interior is hollow, and the cross-sectional shape is a special-shaped structure in which several protrusions are evenly formed outward on the circular circumference. In this embodiment, the protrusions in the special-shaped structure are preferably arc-shaped protrusions, such as petals as shown in Figure 1, and finally prepared Get moisture-wicking, heat-generating and insulating multifunctional fibers.
实施例2Example 2
将99.9kg PET和0.1kg目数为3000目的石墨烯粉体充分混合，搅拌均匀后经双螺杆挤出机造粒，双螺杆挤出机的工作温度为250℃，制备得到发热粉体改性聚酯母粒；再将100kg发热粉体改性聚酯母粒置于双螺杆纺丝机中进行熔融纺丝，控制纺丝温度为270℃，且双螺杆纺丝机的喷丝板为内部中空，截面形状为圆形圆周上向外均匀形成若干个凸起的异形结构，本实施例优选为异形结构中的凸起为弧形凸起，如图2所示的四叶草状，最终制备得到吸湿排汗、发热和保温多功能纤维。Fully mix 99.9kg PET and 0.1kg graphene powder with a mesh number of 3000, and then granulate through a twin-screw extruder. The working temperature of the twin-screw extruder is 250°C to prepare a modified exothermic powder Polyester masterbatch; then put 100kg of heat-generating powder modified polyester masterbatch in a twin-screw spinning machine for melt spinning, the spinning temperature is controlled at 270°C, and the spinneret of the twin-screw spinning machine is internal Hollow, the cross-sectional shape is a special-shaped structure with several protrusions evenly formed outward on the circular circumference. In this embodiment, the protrusions in the special-shaped structure are preferably arc-shaped protrusions, such as four-leaf clover as shown in Figure 2, and finally The multifunctional fiber of moisture absorption and perspiration, heat generation and heat preservation is prepared.
实施例3Example 3
将99.9kg PTT和0.1kg目数为2000目的远红外陶瓷粉体充分混合，搅拌均匀后经双螺杆挤出机造粒，双螺杆挤出机的工作温度为250℃，制备得到发热粉体改性聚酯母粒；再将100kg发热粉体改性聚酯母粒置于双螺杆纺丝机中进行熔融纺丝，控制纺丝温度为280℃，且双螺杆纺丝机的喷丝板为内部中空，截面形状为圆形圆周上向外均匀形成若干个凸起的异形结构，本实施例优选为异形结构中的凸起为弧形凸起，如图3所示的桃花状，最终制备得到吸湿排汗、发热和保温多功能纤维。Fully mix 99.9kg PTT and 0.1kg far-infrared ceramic powder with a mesh number of 2000, and then granulate through a twin-screw extruder. 100kg heat-generating powder modified polyester masterbatch is placed in a twin-screw spinning machine for melt spinning, the spinning temperature is controlled at 280°C, and the spinneret of the twin-screw spinning machine is The interior is hollow, and the cross-sectional shape is a special-shaped structure with several protrusions evenly formed outward on the circumference of a circle. In this embodiment, the protrusions in the special-shaped structure are preferably arc-shaped protrusions, such as peach blossoms as shown in Figure 3. The final preparation Get moisture-wicking, heat-generating and insulating multifunctional fibers.
实施例4Example 4
将99.9kg PET和0.1kg目数为1000目的石墨烯粉体充分混合，搅拌均匀后经双螺杆挤出机造粒，双螺杆挤出机的工作温度为250℃，制备得到发热粉体改性聚酯母粒；再将100kg发热粉体改性聚酯母粒置于双螺杆纺丝机中进行熔融纺丝，控制纺丝温度为300℃，且双螺杆纺丝机的喷丝板为内部中空，截面形状为圆形圆周上向外均匀形成若干个凸起的异形结构，本实施例优选为异形结构中的凸起为弧形凸起，如图4所示的三叶草状，最终制备得到吸湿排汗、发热和保温多功能纤维。Fully mix 99.9kg of PET and 0.1kg of graphene powder with a mesh number of 1000, and then granulate through a twin-screw extruder. The working temperature of the twin-screw extruder is 250°C to prepare a modified exothermic powder Polyester masterbatch; then put 100kg of heat-generating powder modified polyester masterbatch in a twin-screw spinning machine for melt spinning, the spinning temperature is controlled at 300°C, and the spinneret of the twin-screw spinning machine is internal Hollow, the cross-sectional shape is a special-shaped structure in which several protrusions are evenly formed outward on the circumference of a circle. In this embodiment, the protrusions in the special-shaped structure are preferably arc-shaped protrusions, such as clover-like as shown in Figure 4, and are finally prepared. Moisture-wicking, heat-generating and insulating multifunctional fiber.
实施例5Example 5
将65kg PBT和35kg目数为15000目的碳化钛粉体充分混合，搅拌均匀后经双螺杆挤出机造粒，双螺杆挤出机的工作温度为250℃，制备得到发热粉体改性聚酯母粒；再将100kg发热粉体改性聚酯母粒置于双螺杆纺丝机中进行熔融纺丝，控制纺丝温度为270℃，且双螺杆纺丝机的喷丝板为内部中空，截面形状为圆形圆周上向外均匀形成若干个凸起的异形结构，本实施例优选为异形结构中的凸起为矩形凸起，如图5所示，最终制备得到吸湿排汗、发热和保温多功能纤维。Fully mix 65kg of PBT and 35kg of titanium carbide powder with a mesh number of 15,000, and then granulate through a twin-screw extruder. The working temperature of the twin-screw extruder is 250°C to prepare a modified polyester powder Masterbatch; then put 100kg of heat-generating powder modified polyester masterbatch in a twin-screw spinning machine for melt spinning, control the spinning temperature to 270°C, and the spinneret of the twin-screw spinning machine is hollow inside, The cross-sectional shape is a special-shaped structure with several protrusions evenly formed outward on the circumference of a circle. In this embodiment, the protrusions in the special-shaped structure are preferably rectangular protrusions, as shown in Figure 5. Finally, the moisture-wicking, heat-generating and Insulating multifunctional fiber.
实施例6Example 6
将90kg PTT和10kg目数为2000目的远红外陶瓷粉体充分混合，搅拌均匀后经双螺杆挤出机造粒，双螺杆挤出机的工作温度为250℃，制备得到发热粉体改性聚酯母粒；再将100kg发热粉体改性聚酯母粒置于双螺杆纺丝机中进行熔融纺丝，控制纺丝温度为270℃，且双螺杆纺丝机的喷丝板为内部中空，截面形状为圆形圆周上向外均匀形成若干个凸起的异形结构，本实施例优选为异形结构中的凸起为锯齿状凸起，如图6所示，最终制备得到吸湿排汗、发热和保温多功能纤维。Fully mix 90kg PTT and 10kg far-infrared ceramic powder with a mesh number of 2000, and then granulate through a twin-screw extruder. Ester masterbatch; then put 100kg of heat-generating powder modified polyester masterbatch in a twin-screw spinning machine for melt spinning, control the spinning temperature at 270°C, and the spinneret of the twin-screw spinning machine is hollow inside , the cross-sectional shape is a special-shaped structure in which several protrusions are uniformly formed outward on the circumference of a circle. In this embodiment, the protrusions in the special-shaped structure are preferably jagged protrusions, as shown in Figure 6. Finally, a moisture-absorbing and sweat-wicking, Heat generating and insulating multifunctional fiber.
以上实施例仅为最佳举例，而并非是对本发明的实施方式的限定。除上述实施例外，本发明还有其他实施方式。凡采用等同替换或等效变换形成的技术方案，均落在本发明要求的保护范围。The above embodiments are only the best examples, rather than limiting the implementation of the present invention. In addition to the above-mentioned embodiments, the present invention also has other embodiments. All technical solutions formed by equivalent replacement or equivalent transformation fall within the scope of protection required by the present invention.
Claims (8)
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| CN111663199A (en) * | 2020-05-15 | 2020-09-15 | 浙江双兔新材料有限公司 | Preparation method of graphene modified PET (polyethylene terephthalate) blend fiber |
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