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In-situ composite fiber forming reinforced polymer material as well as preparation method and device thereof

A polymer material, in-situ fiber-forming technology, applied in the field of material science, can solve the problems of complex processing methods and processes, easy degradation of the fiber-forming phase, long extrusion die runners, etc., to increase the stability of melt flow. The effect of stability, controllable fiber size and uneven distribution

Inactive Publication Date: 2013-04-24
贵州省复合改性聚合物材料工程技术研究中心
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the processing methods and processes are relatively complicated, or the extrusion die used has a long flow path, which causes the easily degradable fiber phase to degrade easily, and the fiber phase affects the performance of the product, and it is difficult to achieve continuous production.

Method used

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  • In-situ composite fiber forming reinforced polymer material as well as preparation method and device thereof
  • In-situ composite fiber forming reinforced polymer material as well as preparation method and device thereof
  • In-situ composite fiber forming reinforced polymer material as well as preparation method and device thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Embodiment 1 of the present invention: Composite PA in-situ fiber-forming reinforced polymer material, calculated in parts by weight, includes 80 parts of high-density polyethylene, 20 parts of nylon 6, 5 parts of polyethylene grafted glycidyl methacrylate and The antioxidant of 0.3% of above-mentioned component gross weight; Antioxidant is antioxidant 1010.

[0021] The preparation method of the composite in-situ fiber-forming reinforced polymer material comprises uniformly mixing high-density polyethylene, nylon, polyethylene grafted glycidyl methacrylate and antioxidant 1010 according to the above-mentioned parts by weight to obtain a mixture; Put the mixed material into a twin-screw extruder for extrusion and granulation to obtain a premixed material; dry the premixed material at a temperature of 80°C for 6-8 hours; Extruded by an extrusion device to obtain HDPE / PA in-situ fiber-forming reinforced polymer material.

[0022] The structure of the polymer micro-nano l...

Embodiment 2

[0023] Embodiment 2 of the present invention: Composite PET in-situ fiber-forming reinforced polymer material, calculated in parts by weight, including 90 parts of polyethylene, 10 parts of polyethylene terephthalate, 1 part of polyethylene grafted methyl Glycidyl acrylate, 2 parts of polypropylene grafted glycidyl methacrylate and 0.2% antioxidant of the total weight of the above components; the antioxidant consists of an equivalent amount of antioxidant 1098 and antioxidant 1076.

[0024] The preparation method and the device used are the same as in Example 1.

Embodiment 3

[0025] Embodiment 3 of the present invention: Composite PC in-situ fiber-forming reinforced polymer material, calculated in parts by weight, including 90 parts of polypropylene, 10 parts of polycarbonate, 4 parts of polypropylene grafted maleic anhydride, 2 parts of polypropylene Fiber grafted styrene and 0.5% antioxidant of the total weight of the above components; the antioxidant is antioxidant B225.

[0026] The preparation method and the device used are the same as in Example 1.

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Abstract

The invention discloses an in-situ composite fiber forming polymer material. The in-situ composite fiber forming polymer material comprises the following components in parts by weight: 70-90 parts of matrix, 5-25 parts of fiber forming phase, 1-9 parts of compatilizer and 0.1-0.5 part of accessory ingredient. According to the in-situ composite fiber forming polymer material disclosed by the invention, the compatibility of the fiber forming phase and the matrix phase is well improved; the interface tension between the two phase interfaces is reduced; the fiber forming phase is dispersed in the matrix more uniformly under the high-speed shearing action of the extrusion process, so that that the fiber dimension of the fiber forming phase fibers is more uniform, the fiber distribution is more uniform, the matrix material is reinforced better; and the in-situ composite fiber forming polymer material has better tensile property and mechanical property.

Description

technical field [0001] The invention relates to the field of material science, in particular to a polymer material and its preparation method and device. Background technique [0002] Usually nylon fiber reinforced polymer is directly added to the polymer fiber or fiber cloth in the polymer melt. In this method, it is difficult to disperse the nylon fibers uniformly in the obtained fiber reinforced polymer material. [0003] In recent years, there have been many studies on in-situ fiber-reinforced polymer materials, which are applied to plates, pipes, auto parts and other fields. However, the processing methods and processes are relatively complicated, or the extrusion die used has a long flow path, which causes the easily degradable fiber phase to degrade easily, and the fiber phase affects the performance of the product, and it is difficult to achieve continuous production. Contents of the invention [0004] The purpose of the present invention is to provide a composit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/06C08L23/12C08L25/06C08L33/12C08L23/08C08L77/02C08L77/06C08L69/00C08L67/02C08J5/04B32B27/06B29B9/06B29C47/06
Inventor 韦良强秦舒浩孙静徐国敏黄安荣马艳红于杰
Owner 贵州省复合改性聚合物材料工程技术研究中心
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