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WO2019218290A1 - Process for preparing blended polymer fibers - Google Patents

Process for preparing blended polymer fibers Download PDF

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Publication number
WO2019218290A1
WO2019218290A1 PCT/CN2018/087197 CN2018087197W WO2019218290A1 WO 2019218290 A1 WO2019218290 A1 WO 2019218290A1 CN 2018087197 W CN2018087197 W CN 2018087197W WO 2019218290 A1 WO2019218290 A1 WO 2019218290A1
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WO
WIPO (PCT)
Prior art keywords
fiber
natural
natural fiber
preparing
chemical
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2018/087197
Other languages
French (fr)
Chinese (zh)
Inventor
方华玉
达内希瓦尔·卡梅伦
方志坚
赖逸书
陈裕翔
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujian Huacai New Material Co Ltd
Original Assignee
Fujian Huacai New Material Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujian Huacai New Material Co Ltd filed Critical Fujian Huacai New Material Co Ltd
Priority to CN201880000692.6A priority Critical patent/CN108699732A/en
Priority to PCT/CN2018/087197 priority patent/WO2019218290A1/en
Publication of WO2019218290A1 publication Critical patent/WO2019218290A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
    • D01F8/02—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from cellulose, cellulose derivatives, or proteins
    • 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
    • D01D5/08—Melt spinning methods
    • 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
    • D01D5/28—Formation of filaments, threads, or the like while mixing different spinning solutions or melts during the spinning operation; Spinnerette packs therefor
    • D01D5/30—Conjugate filaments; 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
    • D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
    • D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
    • D01F8/06—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyolefin as constituent
    • 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
    • D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
    • D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
    • D01F8/08—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyacrylonitrile as constituent
    • 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
    • D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
    • D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
    • D01F8/10—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one other macromolecular compound obtained by reactions only involving carbon-to-carbon unsaturated bonds as constituent
    • 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
    • D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
    • D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
    • D01F8/12—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyamide as constituent
    • 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
    • D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
    • D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
    • D01F8/14—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyester as constituent
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
    • D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
    • D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/02—Natural fibres, other than mineral fibres
    • D06M2101/04—Vegetal fibres
    • D06M2101/06—Vegetal fibres cellulosic
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/02—Natural fibres, other than mineral fibres
    • D06M2101/10—Animal fibres
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/02—Natural fibres, other than mineral fibres
    • D06M2101/10—Animal fibres
    • D06M2101/12—Keratin fibres or silk

Definitions

  • the invention relates to the technical field of textiles, in particular to a preparation process of a blended polymer fiber.
  • the traditional natural fiber blending method for manufacturing yarn mainly includes the following two types; the first one is to mix different fibers together by combing and twisting, which is called “intimate mixing”; the other is to The different yarns are screwed together to make a mixed yarn, a so-called “composite” or "spun” yarn.
  • the Chinese patent application No. CN107675315A discloses a spinning process for wrapping a down-blended yarn, which is the process of the above-mentioned spinning.
  • the technical problem to be solved by the present invention is to provide a process for preparing a yarn blended polymer fiber which is highly efficient and has excellent texture.
  • the technical solution adopted by the present invention is:
  • a preparation process of a blended polymer fiber comprising the following steps:
  • Step 1 The natural fiber surface is coated with a silicone resin coating and dried;
  • Step 2 melting the chemical fiber at 200-300 ° C, mixing the natural fiber wrapped with the silicone resin with the chemical fiber in a molten state, and extruding to obtain a blend product of the natural fiber and the chemical fiber;
  • Step 3 The blended product obtained in the step 2 is washed with water to remove the silicone resin coating coated on the surface of the natural fiber to obtain a polymer fiber.
  • the invention has the beneficial effects that: in the preparation process of the blended polymer fiber of the invention, the natural fiber is pretreated, and the silicone fiber coating is coated on the surface of the natural fiber to enable it to withstand the high temperature of the melt spinning, and then The natural fiber wrapped with the silicone resin and the chemical fiber in the high temperature molten state are melt-spun to obtain the polymer fiber; the invention overcomes the high temperature of the natural fiber in the prior art by wrapping the silicone resin coating on the surface of the natural fiber.
  • the traditional natural fiber blending process greatly improves the spinning efficiency and the yarn strength, and the obtained polymer fiber has the excellent touch of natural fiber, and has the advantages of chemical fiber absorption, quick drying and light weight.
  • the most critical idea of the present invention is to pass the silicone resin coating on the surface of the natural fiber to withstand the high temperature of the melt spinning, and then to melt the natural fiber wrapped with the silicone resin and the chemical fiber under the high temperature molten state.
  • the invention provides a preparation process of a blended polymer fiber, comprising the following steps:
  • Step 1 The natural fiber surface is coated with a silicone resin coating and dried;
  • Step 2 melting the chemical fiber at 200-300 ° C, mixing the natural fiber wrapped with the silicone resin with the chemical fiber in a molten state, and extruding to obtain a blend product of natural fiber and chemical fiber;
  • Step 3 The blended product obtained in the step 2 is washed with water to remove the silicone resin coating coated on the surface of the natural fiber to obtain a polymer fiber.
  • the natural fiber is pretreated, and the natural fiber is coated with a silicone resin coating to withstand the high temperature of the melt spinning, and then the natural fiber wrapped with the silicone resin is coated with
  • the polymer fiber is melt-spun to obtain a polymer fiber in a high-temperature molten state; the invention overcomes the defects of the prior art that the natural fiber is difficult to withstand the high-temperature melt spinning process by wrapping the silicone resin coating on the surface of the natural fiber.
  • the silicone resin coating can be washed and removed, which is simple and convenient, and greatly improves the spinning compared with the conventional natural fiber blending process.
  • Silk efficiency and yarn strength, and the obtained polymer fiber has the excellent touch of natural fiber, and has the advantages of chemical fiber absorption, quick drying and light weight.
  • the natural fiber is at least one of cotton, linen, hemp, apocynum, ramie, wool, cashmere, rabbit hair, camel, alpaca, yak, and silk.
  • the natural fiber is at least one of cotton, linen, hemp, apocynum, ramie, wool, cashmere, rabbit hair, camel, alpaca, yak, and silk.
  • the chemical fiber is at least at least one of polyester fiber, polypropylene fiber, polyethylene fiber, polyacrylonitrile fiber, polyamide fiber, polyvinyl alcohol fiber, and aramid fiber.
  • the natural fiber has a linear density of 0.1-10 DTex.
  • the natural fiber has a linear density of 0.5-5 DTex.
  • the natural fiber has a length of 10-30 mm.
  • the natural fiber has a length of 23-30 mm.
  • the natural fiber is specifically wool.
  • the natural fibers are exposed to the outside, so that the polymer fibers have a good touch of natural fibers, and are made into clothes, writing or hats. Comfortable.
  • the chemical fiber is specifically a polyester fiber chip.
  • the step 1 is specifically:
  • the natural fibers are immersed in a silicone coating for 10-50 min and dried to coat the surface of the natural fibers with a silicone coating.
  • a preparation process of a blended polymer fiber comprising the following steps:
  • Step 1 The natural fiber is immersed in a silicone coating for 10 min and dried to coat the surface of the natural fiber with a silicone coating;
  • Step 2 melting the chemical fiber at 200 ° C, mixing the natural fiber wrapped with the silicone resin with the chemical fiber in the molten state, and extruding to obtain a blend product of the natural fiber and the chemical fiber;
  • Step 3 The blended product obtained in the step 2 is washed with water to remove the silicone resin coating coated on the surface of the natural fiber to obtain a polymer fiber.
  • the natural fiber has a linear density of 0.1; the natural fiber has a length of 10 mm; the natural fiber is specifically wool; and the chemical fiber is specifically a polyester fiber chip.
  • a preparation process of a blended polymer fiber comprising the following steps:
  • Step 1 The natural fiber is immersed in a silicone coating for 50 min and dried to coat the surface of the natural fiber with a silicone coating;
  • Step 2 melting the chemical fiber at 300 ° C, mixing the natural fiber wrapped with the silicone resin with the chemical fiber in a molten state, and extruding to obtain a blend product of the natural fiber and the chemical fiber;
  • Step 3 The blended product obtained in the step 2 is washed with water to remove the silicone resin coating coated on the surface of the natural fiber to obtain a polymer fiber.
  • the natural fiber has a linear density of 10 DTex; the natural fiber has a length of 30 mm; the natural fiber is specifically wool; and the chemical fiber is specifically a polyester fiber shard.
  • a preparation process of a blended polymer fiber comprising the following steps:
  • Step 1 The natural fiber is immersed in a silicone coating for 30 min and dried to coat the surface of the natural fiber with a silicone coating;
  • Step 2 melting the chemical fiber at 250 ° C, mixing the natural fiber wrapped with the silicone resin with the chemical fiber in the molten state, and extruding to obtain a blend product of the natural fiber and the chemical fiber;
  • Step 3 The blended product obtained in the step 2 is washed with water to remove the silicone resin coating coated on the surface of the natural fiber to obtain a polymer fiber.
  • the natural fiber has a linear density of 0.5 DTex; the natural fiber has a length of 23 mm;
  • the natural fiber is specifically wool; the chemical fiber is specifically a polyester fiber chip.
  • a preparation process of a blended polymer fiber comprising the following steps:
  • Step 1 The natural fiber is immersed in a silicone coating for 30 min and dried to coat the surface of the natural fiber with a silicone coating;
  • Step 2 melting the chemical fiber at 25 ° C, mixing the natural fiber wrapped with the silicone resin with the chemical fiber in a molten state, and extruding to obtain a blend product of the natural fiber and the chemical fiber;
  • Step 3 The blended product obtained in the step 2 is washed with water to remove the silicone resin coating coated on the surface of the natural fiber to obtain a polymer fiber.
  • the natural fiber has a linear density of 0.5 DTex; the natural fiber has a length of 23 mm;
  • the natural fiber is specifically wool; the chemical fiber is specifically a polyester fiber chip; the natural fiber is specifically wool; and the chemical fiber is specifically a polyester fiber chip.
  • the natural fiber is pretreated, and the silicone fiber coating is coated on the surface of the natural fiber to be able to withstand the high temperature of the melt spinning, and then wrapped
  • the silicone-coated natural fiber and the chemical fiber in a high-temperature molten state are melt-spun to obtain a polymer fiber; the invention overcomes the problem that the natural fiber in the prior art is difficult to withstand the high-temperature melt by wrapping the silicone resin coating on the surface of the natural fiber.
  • the defects of the spinning process at a high temperature of 200-300 ° C, because the natural fiber is protected by the silicone coating, it will not damage the natural fiber structure, and the silicone coating can be washed and removed, simple and convenient, compared with the traditional natural
  • the fiber blending process greatly improves the spinning efficiency and the yarn strength, and the obtained polymer fiber has the excellent touch of natural fibers, and has the advantages of chemical fiber absorption, quick drying and light weight.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)

Abstract

The present invention relates to the technical field of textiles, and in particular to a process for preparing blended polymer fibers, wherein the polymer fibers are prepared by coating the surface of natural fibers with a silicone resin coating so that the natural fibers can withstand a high melt spinning temperature, and then melt-spinning the natural fibers, which have been coated with the silicone resin coating, and chemical fibers in a high-temperature molten state. By coating the surface of the natural fibers with the silicone resin coating, the present invention overcomes the defect of it being difficult for natural fibers to withstand a high-temperature melt-spinning process in the prior art. Compared with traditional natural fiber blending processes, the spinning efficiency and the yarn strength are greatly improved. Furthermore, the prepared polymer fibers have the excellent tactility of the natural fibers and also have the advantages of the chemical fibers: sweat absorption, being quick to dry and being lightweight.

Description

一种共混聚合物纤维的制备工艺Preparation process of blended polymer fiber 技术领域Technical field

本发明涉及纺织技术领域，特别涉及一种共混聚合物纤维的制备工艺。The invention relates to the technical field of textiles, in particular to a preparation process of a blended polymer fiber.

背景技术Background technique

目前传统的天然纤维混纺制造纱线的方法主要包括以下两种；第一种是通过梳理和扭转的过程将不同的纤维混合在一起，就是所谓的“亲密混合”；另一种是将两种不同的纱线拧在一起，制成混合纱，就是所谓的“复合”或“纺捻”纱线。申请公布号为CN107675315A的中国专利公开了一种包缠羽绒混纺纱的纺制工艺，正是采用了上述纺捻的工艺。At present, the traditional natural fiber blending method for manufacturing yarn mainly includes the following two types; the first one is to mix different fibers together by combing and twisting, which is called "intimate mixing"; the other is to The different yarns are screwed together to make a mixed yarn, a so-called "composite" or "spun" yarn. The Chinese patent application No. CN107675315A discloses a spinning process for wrapping a down-blended yarn, which is the process of the above-mentioned spinning.

上述传统的混纺工艺由于原料涉及天然纤维，由于天然纤维不能承受高温，因此本领域技术人员一般认为不能使用熔体纺丝的混纺方法，而上述传统的混纺工艺制得的纱线的生产效率和质感都不如熔体纺丝制得的纱线，而在天然纤维与化学纤维的混纺工艺中，由于天然纤维不耐高温，依然不能使用熔体纺丝的工艺。In the above conventional blending process, since the raw material involves natural fibers, since natural fibers cannot withstand high temperatures, those skilled in the art generally believe that the melt spinning method cannot be used, and the yarn production efficiency of the above conventional blending process is The texture is not as good as the yarn produced by melt spinning, and in the blending process of natural fiber and chemical fiber, since the natural fiber is not resistant to high temperature, the melt spinning process cannot be used.

技术问题technical problem

本发明所要解决的技术问题是：提供一种高效且质感优良的纱线共混聚合物纤维的制备工艺。The technical problem to be solved by the present invention is to provide a process for preparing a yarn blended polymer fiber which is highly efficient and has excellent texture.

技术解决方案Technical solution

为了解决上述技术问题，本发明采用的技术方案为：In order to solve the above technical problems, the technical solution adopted by the present invention is:

一种共混聚合物纤维的制备工艺，包括以下步骤：A preparation process of a blended polymer fiber, comprising the following steps:

步骤1：将天然纤维表面包裹硅树脂涂层，并烘干；Step 1: The natural fiber surface is coated with a silicone resin coating and dried;

步骤2：将化学纤维在200-300℃下熔融，将包裹有硅树脂涂层的天然纤维与熔融状态下的化学纤维混合，挤出成型，得到天然纤维与化学纤维共混产物；Step 2: melting the chemical fiber at 200-300 ° C, mixing the natural fiber wrapped with the silicone resin with the chemical fiber in a molten state, and extruding to obtain a blend product of the natural fiber and the chemical fiber;

步骤3：将步骤2中得到的共混产物进行水洗，去除天然纤维表面包裹的硅树脂涂层，制得聚合物纤维。Step 3: The blended product obtained in the step 2 is washed with water to remove the silicone resin coating coated on the surface of the natural fiber to obtain a polymer fiber.

有益效果Beneficial effect

本发明的有益效果在于：本发明涉及的共混聚合物纤维的制备工艺中，将天然纤维进行预处理，通过在天然纤维表面包裹硅树脂涂料使其能够承受熔体纺丝的高温，再将包裹有硅树脂涂层的天然纤维与高温熔融状态下化学纤维通过熔体纺丝制得聚合物纤维；本发明通过在天然纤维表面包裹硅树脂涂料，克服了现有技术中天然纤维难以承受高温熔体纺丝工艺的缺陷，在200-300℃的高温下，由于天然纤维受到了硅树脂涂层的保护，不会损坏天然纤维结构，且硅树脂涂层可水洗去除，简单方便，相比传统天然纤维混纺工艺，大大提高了纺丝效率以及纱线强度，且制得的聚合物纤维具有天然纤维优良的触感，同时具备化学纤维吸汗、速干、质轻的优点。The invention has the beneficial effects that: in the preparation process of the blended polymer fiber of the invention, the natural fiber is pretreated, and the silicone fiber coating is coated on the surface of the natural fiber to enable it to withstand the high temperature of the melt spinning, and then The natural fiber wrapped with the silicone resin and the chemical fiber in the high temperature molten state are melt-spun to obtain the polymer fiber; the invention overcomes the high temperature of the natural fiber in the prior art by wrapping the silicone resin coating on the surface of the natural fiber. The defects of the melt spinning process, at a high temperature of 200-300 ° C, because the natural fiber is protected by the silicone resin coating, will not damage the natural fiber structure, and the silicone resin coating can be washed and removed, simple and convenient, compared The traditional natural fiber blending process greatly improves the spinning efficiency and the yarn strength, and the obtained polymer fiber has the excellent touch of natural fiber, and has the advantages of chemical fiber absorption, quick drying and light weight.

具体实施方式Detailed ways

为详细说明本发明的技术内容、所实现目的及效果，以下结合实施方式予以说明。The details of the technical contents, the objects and effects achieved by the present invention will be described below in conjunction with the embodiments.

本发明最关键的构思在于：通过在天然纤维表面包裹硅树脂涂料使其能够承受熔体纺丝的高温，再将包裹有硅树脂涂层的天然纤维与高温熔融状态下化学纤维通过熔体纺丝制得聚合物纤维。The most critical idea of the present invention is to pass the silicone resin coating on the surface of the natural fiber to withstand the high temperature of the melt spinning, and then to melt the natural fiber wrapped with the silicone resin and the chemical fiber under the high temperature molten state. Silk made polymer fibers.

本发明提供一种共混聚合物纤维的制备工艺，包括以下步骤：The invention provides a preparation process of a blended polymer fiber, comprising the following steps:

步骤1：将天然纤维表面包裹硅树脂涂层，并烘干；Step 1: The natural fiber surface is coated with a silicone resin coating and dried;

步骤2：将化学纤维在200-300℃下熔融，将包裹有硅树脂涂层的天然纤维与熔融状态下的化学纤维混合，挤出成型，得到天然纤维与化学纤维的共混产物；Step 2: melting the chemical fiber at 200-300 ° C, mixing the natural fiber wrapped with the silicone resin with the chemical fiber in a molten state, and extruding to obtain a blend product of natural fiber and chemical fiber;

步骤3：将步骤2中得到的共混产物进行水洗，去除天然纤维表面包裹的硅树脂涂层，制得聚合物纤维。Step 3: The blended product obtained in the step 2 is washed with water to remove the silicone resin coating coated on the surface of the natural fiber to obtain a polymer fiber.

上述共混聚合物纤维的制备工艺中，将天然纤维进行预处理，通过在天然纤维表面包裹硅树脂涂料使其能够承受熔体纺丝的高温，再将包裹有硅树脂涂层的天然纤维与高温熔融状态下化学纤维通过熔体纺丝制得聚合物纤维；本发明通过在天然纤维表面包裹硅树脂涂料，克服了现有技术中天然纤维难以承受高温熔体纺丝工艺的缺陷，在200-300℃的高温下，由于天然纤维受到了硅树脂涂层的保护，不会损坏天然纤维结构，且硅树脂涂层可水洗去除，简单方便，相比传统天然纤维混纺工艺，大大提高了纺丝效率以及纱线强度，且制得的聚合物纤维具有天然纤维优良的触感，同时具备化学纤维吸汗、速干、质轻的优点。In the preparation process of the above polymer fiber, the natural fiber is pretreated, and the natural fiber is coated with a silicone resin coating to withstand the high temperature of the melt spinning, and then the natural fiber wrapped with the silicone resin is coated with The polymer fiber is melt-spun to obtain a polymer fiber in a high-temperature molten state; the invention overcomes the defects of the prior art that the natural fiber is difficult to withstand the high-temperature melt spinning process by wrapping the silicone resin coating on the surface of the natural fiber. At a high temperature of -300 °C, since the natural fiber is protected by the silicone resin coating, the natural fiber structure is not damaged, and the silicone resin coating can be washed and removed, which is simple and convenient, and greatly improves the spinning compared with the conventional natural fiber blending process. Silk efficiency and yarn strength, and the obtained polymer fiber has the excellent touch of natural fiber, and has the advantages of chemical fiber absorption, quick drying and light weight.

进一步的，上述共混聚合物纤维的制备工艺中，所述天然纤维为棉、亚麻、大麻、罗布麻、苎麻、羊毛、羊绒、兔毛、驼绒、羊驼绒、牦牛绒、蚕丝中的至少一种。Further, in the preparation process of the above blended polymer fiber, the natural fiber is at least one of cotton, linen, hemp, apocynum, ramie, wool, cashmere, rabbit hair, camel, alpaca, yak, and silk. Kind.

进一步的，上述共混聚合物纤维的制备工艺中，所述化学纤维为聚酯纤维、聚丙烯纤维、聚乙烯纤维、聚丙烯腈纤维、聚酰胺纤维、聚乙烯醇纤维、芳纶中的至少一种。Further, in the preparation process of the above blended polymer fiber, the chemical fiber is at least at least one of polyester fiber, polypropylene fiber, polyethylene fiber, polyacrylonitrile fiber, polyamide fiber, polyvinyl alcohol fiber, and aramid fiber. One.

进一步的，上述共混聚合物纤维的制备工艺中，所述天然纤维的线密度为0.1-10DTex。Further, in the preparation process of the above polymer blend fiber, the natural fiber has a linear density of 0.1-10 DTex.

进一步的，上述共混聚合物纤维的制备工艺中，所述天然纤维的线密度为0.5-5DTex。Further, in the preparation process of the above polymer blend fiber, the natural fiber has a linear density of 0.5-5 DTex.

进一步的，上述共混聚合物纤维的制备工艺中，所述天然纤维的长度为10-30mm。Further, in the preparation process of the above blended polymer fiber, the natural fiber has a length of 10-30 mm.

进一步的，上述共混聚合物纤维的制备工艺中，所述天然纤维的长度为23-30mm。Further, in the preparation process of the above polymer blend fiber, the natural fiber has a length of 23-30 mm.

进一步的，上述共混聚合物纤维的制备工艺中，所述天然纤维具体为羊毛。Further, in the preparation process of the above blended polymer fiber, the natural fiber is specifically wool.

通过对天然纤维的长度和密度的优化，使天然纤维和化学纤维混合挤出时，天然纤维会暴露于外部，进而使聚合物纤维具有天然纤维的优良触感，制成衣服、写字或帽子穿着更加舒适。By optimizing the length and density of natural fibers, when natural fibers and chemical fibers are mixed and extruded, the natural fibers are exposed to the outside, so that the polymer fibers have a good touch of natural fibers, and are made into clothes, writing or hats. Comfortable.

进一步的，上述共混聚合物纤维的制备工艺中，所述化学纤维具体为聚酯纤维碎片。Further, in the preparation process of the above blended polymer fiber, the chemical fiber is specifically a polyester fiber chip.

进一步的，上述共混聚合物纤维的制备工艺中，所述步骤1具体为：Further, in the preparation process of the above polymer fiber, the step 1 is specifically:

将天然纤维在硅树脂涂料中浸渍10-50min并干燥，使天然纤维表面包裹硅树脂涂层。The natural fibers are immersed in a silicone coating for 10-50 min and dried to coat the surface of the natural fibers with a silicone coating.

实施例1Example 1

一种共混聚合物纤维的制备工艺，包括以下步骤：A preparation process of a blended polymer fiber, comprising the following steps:

步骤1：将天然纤维在硅树脂涂料中浸渍10min并干燥，使天然纤维表面包裹硅树脂涂层；Step 1: The natural fiber is immersed in a silicone coating for 10 min and dried to coat the surface of the natural fiber with a silicone coating;

步骤2：将化学纤维在200℃下熔融，将包裹有硅树脂涂层的天然纤维与熔融状态下的化学纤维混合，挤出成型，得到天然纤维与化学纤维的共混产物；Step 2: melting the chemical fiber at 200 ° C, mixing the natural fiber wrapped with the silicone resin with the chemical fiber in the molten state, and extruding to obtain a blend product of the natural fiber and the chemical fiber;

步骤3：将步骤2中得到的共混产物进行水洗，去除天然纤维表面包裹的硅树脂涂层，制得聚合物纤维。Step 3: The blended product obtained in the step 2 is washed with water to remove the silicone resin coating coated on the surface of the natural fiber to obtain a polymer fiber.

所述天然纤维的线密度为0.1；所述天然纤维的长度为10mm；所述天然纤维具体为羊毛；所述化学纤维具体为聚酯纤维碎片。The natural fiber has a linear density of 0.1; the natural fiber has a length of 10 mm; the natural fiber is specifically wool; and the chemical fiber is specifically a polyester fiber chip.

实施例2Example 2

一种共混聚合物纤维的制备工艺，包括以下步骤：A preparation process of a blended polymer fiber, comprising the following steps:

步骤1：将天然纤维在硅树脂涂料中浸渍50min并干燥，使天然纤维表面包裹硅树脂涂层；Step 1: The natural fiber is immersed in a silicone coating for 50 min and dried to coat the surface of the natural fiber with a silicone coating;

步骤2：将化学纤维在300℃下熔融，将包裹有硅树脂涂层的天然纤维与熔融状态下的化学纤维混合，挤出成型，得到天然纤维与化学纤维的共混产物；Step 2: melting the chemical fiber at 300 ° C, mixing the natural fiber wrapped with the silicone resin with the chemical fiber in a molten state, and extruding to obtain a blend product of the natural fiber and the chemical fiber;

步骤3：将步骤2中得到的共混产物进行水洗，去除天然纤维表面包裹的硅树脂涂层，制得聚合物纤维。Step 3: The blended product obtained in the step 2 is washed with water to remove the silicone resin coating coated on the surface of the natural fiber to obtain a polymer fiber.

所述天然纤维的线密度为10DTex；所述天然纤维的长度为30mm；所述天然纤维具体为羊毛；所述化学纤维具体为聚酯纤维碎片。The natural fiber has a linear density of 10 DTex; the natural fiber has a length of 30 mm; the natural fiber is specifically wool; and the chemical fiber is specifically a polyester fiber shard.

实施例3Example 3

一种共混聚合物纤维的制备工艺，包括以下步骤：A preparation process of a blended polymer fiber, comprising the following steps:

步骤1：将天然纤维在硅树脂涂料中浸渍30min并干燥，使天然纤维表面包裹硅树脂涂层；Step 1: The natural fiber is immersed in a silicone coating for 30 min and dried to coat the surface of the natural fiber with a silicone coating;

步骤2：将化学纤维在250℃下熔融，将包裹有硅树脂涂层的天然纤维与熔融状态下的化学纤维混合，挤出成型，得到天然纤维与化学纤维的共混产物；Step 2: melting the chemical fiber at 250 ° C, mixing the natural fiber wrapped with the silicone resin with the chemical fiber in the molten state, and extruding to obtain a blend product of the natural fiber and the chemical fiber;

步骤3：将步骤2中得到的共混产物进行水洗，去除天然纤维表面包裹的硅树脂涂层，制得聚合物纤维。Step 3: The blended product obtained in the step 2 is washed with water to remove the silicone resin coating coated on the surface of the natural fiber to obtain a polymer fiber.

所述天然纤维的线密度为0.5DTex；所述天然纤维的长度为23mm；The natural fiber has a linear density of 0.5 DTex; the natural fiber has a length of 23 mm;

所述天然纤维具体为羊毛；所述化学纤维具体为聚酯纤维碎片。The natural fiber is specifically wool; the chemical fiber is specifically a polyester fiber chip.

实施例4Example 4

一种共混聚合物纤维的制备工艺，包括以下步骤：A preparation process of a blended polymer fiber, comprising the following steps:

步骤1：将天然纤维在硅树脂涂料中浸渍30min并干燥，使天然纤维表面包裹硅树脂涂层；Step 1: The natural fiber is immersed in a silicone coating for 30 min and dried to coat the surface of the natural fiber with a silicone coating;

步骤2：将化学纤维在25℃下熔融，将包裹有硅树脂涂层的天然纤维与熔融状态下的化学纤维混合，挤出成型，得到天然纤维与化学纤维的共混产物；Step 2: melting the chemical fiber at 25 ° C, mixing the natural fiber wrapped with the silicone resin with the chemical fiber in a molten state, and extruding to obtain a blend product of the natural fiber and the chemical fiber;

步骤3：将步骤2中得到的共混产物进行水洗，去除天然纤维表面包裹的硅树脂涂层，制得聚合物纤维。Step 3: The blended product obtained in the step 2 is washed with water to remove the silicone resin coating coated on the surface of the natural fiber to obtain a polymer fiber.

所述天然纤维的线密度为0.5DTex；所述天然纤维的长度为23mm；The natural fiber has a linear density of 0.5 DTex; the natural fiber has a length of 23 mm;

所述天然纤维具体为羊毛；所述化学纤维具体为聚酯纤维碎片；所述天然纤维具体为羊毛；所述化学纤维具体为聚酯纤维碎片。The natural fiber is specifically wool; the chemical fiber is specifically a polyester fiber chip; the natural fiber is specifically wool; and the chemical fiber is specifically a polyester fiber chip.

综上所述，本发明涉及的共混聚合物纤维的制备工艺中，将天然纤维进行预处理，通过在天然纤维表面包裹硅树脂涂料使其能够承受熔体纺丝的高温，再将包裹有硅树脂涂层的天然纤维与高温熔融状态下化学纤维通过熔体纺丝制得聚合物纤维；本发明通过在天然纤维表面包裹硅树脂涂料，克服了现有技术中天然纤维难以承受高温熔体纺丝工艺的缺陷，在200-300℃的高温下，由于天然纤维收到了硅树脂涂层的保护，不会损坏天然纤维结构，且硅树脂涂层可水洗去除，简单方便，相比传统天然纤维混纺工艺，大大提高了纺丝效率以及纱线强度，且制得的聚合物纤维具有天然纤维优良的触感，同时具备化学纤维吸汗、速干、质轻的优点。In summary, in the preparation process of the blended polymer fiber according to the present invention, the natural fiber is pretreated, and the silicone fiber coating is coated on the surface of the natural fiber to be able to withstand the high temperature of the melt spinning, and then wrapped The silicone-coated natural fiber and the chemical fiber in a high-temperature molten state are melt-spun to obtain a polymer fiber; the invention overcomes the problem that the natural fiber in the prior art is difficult to withstand the high-temperature melt by wrapping the silicone resin coating on the surface of the natural fiber. The defects of the spinning process, at a high temperature of 200-300 ° C, because the natural fiber is protected by the silicone coating, it will not damage the natural fiber structure, and the silicone coating can be washed and removed, simple and convenient, compared with the traditional natural The fiber blending process greatly improves the spinning efficiency and the yarn strength, and the obtained polymer fiber has the excellent touch of natural fibers, and has the advantages of chemical fiber absorption, quick drying and light weight.

以上所述仅为本发明的实施例，并非因此限制本发明的专利范围，凡是利用本发明说明书内容所作的等同变换，或直接或间接运用在相关的技术领域，均同理包括在本发明的专利保护范围内。The above is only the embodiment of the present invention, and is not intended to limit the scope of the invention, and equivalent transformations made by the contents of the specification of the present invention, or directly or indirectly applied in the related technical field, are equally included in the present invention. Within the scope of patent protection.

Claims (10)

一种共混聚合物纤维的制备工艺，其特征在于，包括以下步骤：A preparation process of a blended polymer fiber, comprising the steps of: 步骤1：将天然纤维表面包裹硅树脂涂层，并烘干；Step 1: The natural fiber surface is coated with a silicone resin coating and dried; 步骤2：将化学纤维在200-300℃下熔融，将包裹有硅树脂涂层的天然纤维与熔融状态下的化学纤维混合，挤出成型，得到天然纤维与化学纤维的共混产物；Step 2: melting the chemical fiber at 200-300 ° C, mixing the natural fiber wrapped with the silicone resin with the chemical fiber in a molten state, and extruding to obtain a blend product of natural fiber and chemical fiber; 步骤3：将步骤2中得到的共混产物进行水洗，去除天然纤维表面包裹的硅树脂涂层，制得聚合物纤维。Step 3: The blended product obtained in the step 2 is washed with water to remove the silicone resin coating coated on the surface of the natural fiber to obtain a polymer fiber. 根据权利要求1所述的共混聚合物纤维的制备工艺，其特征在于，所述天然纤维为棉、亚麻、大麻、罗布麻、苎麻、羊毛、羊绒、兔毛、驼绒、羊驼绒、牦牛绒、蚕丝中的至少一种。The process for preparing a polymer blend fiber according to claim 1, wherein the natural fiber is cotton, linen, hemp, apocynum, ramie, wool, cashmere, rabbit hair, camel hair, alpaca, yak At least one of silk. 根据权利要求1所述的共混聚合物纤维的制备工艺，其特征在于，所述化学纤维为聚酯纤维、聚丙烯纤维、聚乙烯纤维、聚丙烯腈纤维、聚酰胺纤维、聚乙烯醇纤维、芳纶中的至少一种。The process for preparing a polymer blend fiber according to claim 1, wherein the chemical fiber is polyester fiber, polypropylene fiber, polyethylene fiber, polyacrylonitrile fiber, polyamide fiber, polyvinyl alcohol fiber. At least one of aramid. 根据权利要求1所述的共混聚合物纤维的制备工艺，其特征在于，所述天然纤维的线密度为0.1-10DTex。The process for preparing a polymer blend fiber according to claim 1, wherein the natural fiber has a linear density of 0.1 to 10 DTex. 根据权利要求1所述的共混聚合物纤维的制备工艺，其特征在于，所述天然纤维的线密度为0.5-5DTex。The process for preparing a polymer blend fiber according to claim 1, wherein the natural fiber has a linear density of 0.5 to 5 tex. 根据权利要求1所述的共混聚合物纤维的制备工艺，其特征在于，所述天然纤维的长度为10-30mm。The process for preparing a polymer blend fiber according to claim 1, wherein the natural fiber has a length of 10 to 30 mm. 根据权利要求1所述的共混聚合物纤维的制备工艺，其特征在于，所述天然纤维的长度为23-30mm。The process for preparing a polymer blend fiber according to claim 1, wherein the natural fiber has a length of 23 to 30 mm. 根据权利要求1所述的共混聚合物纤维的制备工艺，其特征在于，所述天然纤维具体为羊毛。The process for preparing a polymer blend fiber according to claim 1, wherein the natural fiber is specifically wool. 根据权利要求1所述的共混聚合物纤维的制备工艺，其特征在于，所述化学纤维具体为聚酯纤维碎片。The process for preparing a polymer blend fiber according to claim 1, wherein the chemical fiber is specifically a polyester fiber chip. 根据权利要求1所述的共混聚合物纤维的制备工艺，其特征在于，所述步骤1具体为：The process for preparing a polymer blend fiber according to claim 1, wherein the step 1 is specifically: 将天然纤维在硅树脂涂料中浸渍10-50min并干燥，使天然纤维表面包裹硅树脂涂层。The natural fibers are immersed in a silicone coating for 10-50 min and dried to coat the surface of the natural fibers with a silicone coating.
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