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Method for preparing thermoplastic fiber-hybrid woven composite

A technology of thermoplastic fibers and composite materials, applied in chemical instruments and methods, textiles, fabrics, etc., can solve problems such as the difficulty of reinforcing fibers, and achieve the effects of overcoming impregnation difficulties, good mechanical properties, and good toughness

Active Publication Date: 2011-08-17
ZHEJIANG MAGLIA CASHMERE FAMILY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the above problems, the object of the present invention is to provide a preparation method of thermoplastic fiber hybrid woven composite material, which can further effectively solve the problem of difficulty in impregnating reinforced fibers with resin. The processing process is simple, the cost is low, and the matrix can be recycled. And the mechanical properties (tensile strength, bending strength, bursting strength) are excellent, and can be widely used in various fields

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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  • Method for preparing thermoplastic fiber-hybrid woven composite
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  • Method for preparing thermoplastic fiber-hybrid woven composite

Examples

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Embodiment 1

[0019] A method for preparing a thermoplastic fiber hybrid woven composite material, comprising three steps of making a thermoplastic wrapping yarn, weaving a composite material preform, and forming a woven composite material, wherein the thermoplastic wrapping yarn is made of reinforcing fibers Composed of thermoplastic resin fibers, using the existing fiber wrapping technology to mix reinforcing fibers with thermoplastic resin fibers according to the feasible volume ratio, wherein the volume fraction of thermoplastic fibers is 40%, and the volume fraction of reinforcing fibers is 60%, and then adopt The thermoplastic resin fiber is evenly coated on the reinforcing fiber to form a thermoplastic wrapped yarn. Using a fancy twister, the three filament fibers of industrial polyester (PET), glass fiber (GF), and polypropylene (PP) are combined without twisting at a volume ratio of 3:3:4, and then thermoplastic resin fibers are used The wrapping yarn with hybrid effect is obtained...

Embodiment 2

[0025] A method for preparing a thermoplastic fiber hybrid woven composite material, comprising three steps of making a thermoplastic wrapping yarn, weaving a composite material preform, and forming a woven composite material, wherein the thermoplastic wrapping yarn is made of reinforcing fibers Composed of thermoplastic resin fibers, using the existing fiber wrapping technology to mix reinforcing fibers with thermoplastic resin fibers according to the feasible volume ratio, wherein the volume fraction of thermoplastic fibers is 80%, and the volume fraction of reinforcing fibers is 20%, and then adopt The thermoplastic resin fiber is evenly coated on the reinforcing fiber to form a thermoplastic wrapped yarn. Using a fancy twister, the three filament fibers of industrial polyester (PET), glass fiber (GF), and polypropylene (PP) are combined without twisting at a volume ratio of 1:1:8, and then thermoplastic resin fiber PP Filament covering produces wrapped yarns with a hybrid ...

Embodiment 3

[0031] A method for preparing a thermoplastic fiber hybrid woven composite material, comprising three steps of making a thermoplastic fiber yarn, weaving a composite material preform and forming a woven composite material, wherein the thermoplastic yarn is made of reinforcing fibers and Composed of thermoplastic resin fibers, using the existing fiber wrapping technology to mix reinforcing fibers with thermoplastic resin fibers according to the feasible volume ratio, wherein the volume fraction of thermoplastic fibers is 50%, the volume fraction of reinforcing fibers is 50%, and then adopt thermoplastic The resin fibers are evenly coated on the reinforcing fibers to form thermoplastic wrapped yarns. Using a fancy twister, the three filament fibers of reinforced fiber glass fiber (GF), carbon fiber (CF) and polypropylene (PP) are combined without twisting at a volume ratio of 1:1:2, and then thermoplastic resin fiber PP Filament covering produces wrapped yarns with a hybrid effe...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Abstract

The invention discloses a method for preparing a thermoplastic fiber-hybrid woven composite and is characterized by comprising the following three steps: preparing thermoplastic fasciated yarns, weaving a pre-manufactured composite and molding the woven composite, wherein the thermoplastic wrapping yarns consist of strengthened fibers and thermoplastic resin fibers which are mixed according to the volume by adopting a fiber wrapping technology, the thermoplastic fibers are 40 to 80 volume percent and the strengthened fibers are 20 to 60 volume percent; and then the thermoplastic resin fibers are uniformly covered on the strengthened fibers to form the thermoplastic wrapping yarns. The thermoplastic composite is a big trend in the further composite development and has a bright development prospect.

Description

technical field [0001] The invention relates to a preparation method of a thermoplastic fiber hybrid woven composite material, which belongs to a low-cost processing method that can be recycled and reused. Background technique [0002] In recent years, with the development of automobiles, electrical appliances, construction, aviation, etc., thermoplastic resin-based composite materials have attracted more and more attention at home and abroad, and have become an extremely active research and development point in the field of composite materials. Compared with thermosetting composite materials, thermoplastic composite materials have many advantages: (1) thermoplastic resin composite materials have high toughness and high damage tolerance, and good impact resistance. (2) The fatigue resistance of thermoplastic composite materials greatly exceeds that of thermosetting resins, so the service life is relatively high. (3) The thermoplastic composite material has strong chemical a...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information

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IPC IPC(8): B32B27/02B32B27/04B32B27/12B32B37/06B32B37/10D02G3/36D03D13/00
Inventor 祝成炎田伟冯兆行李艳清刘鹏孙佳英
Owner ZHEJIANG MAGLIA CASHMERE FAMILY CO LTD
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