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Wood plastic composite composition, wood plastic composite and preparation method thereof

A wood-plastic composite material and composition technology, applied in the field of wood-plastic composite material composition, can solve the problems of good toughness, low mechanical properties, poor toughness, etc.

Active Publication Date: 2010-06-23
BYD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to overcome the disadvantages of low mechanical properties of wood-plastic composite materials in the prior art, especially poor toughness, the invention discloses a wood-plastic composite material composition and wood-plastic composite material, the wood-plastic composite material has high mechanical properties , good toughness

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0027] The preparation method of the wood-plastic composite material composition includes mixing wood powder, resin, compatibilizer, reinforcing agent and coupling agent to obtain the above-mentioned wood-plastic composite material composition. When the reinforcing agent is basic magnesium sulfate whisker, ammonium polyphosphate can also be added for mixing. At the same time, in order to improve the overall performance of the final wood-plastic composite material, antioxidants, light stabilizers and lubricants can also be added for mixing when preparing the wood-plastic composite material composition.

[0028] Before the mixing, the wood flour can also be modified to obtain the modified wood flour. The modification method is: mixing the wood flour and the coupling agent at 100-130° C. for 10-30 minutes. The obtained modified wood flour is then mixed with the resin, compatibilizer and reinforcing agent in the above composition. When the above-mentioned wood-plastic composite m...

Embodiment 1

[0035] This example is used to illustrate the wood-plastic composite material composition, the wood-plastic composite material and the preparation method thereof disclosed in the present invention.

[0036] 1. Raw material mixing

[0037] Get 35 parts by weight of polypropylene (polypropylene K8303 of Beijing Bohua Jiaye Technology Development Co., Ltd.), and 38 parts by weight of wood powder (the wood powder produced by Chengdu Wood Powder Factory, the average particle size is 100 orders, and the water content is lower than 0.02 wt%), 5 parts by weight of EPDM rubber and maleic anhydride copolymer (the graft copolymer EPDM-g-MAH of maleic anhydride and EPDM rubber produced by Yuyao Qinxing Plastic Co., Ltd.) , 2 parts by weight of N-propyltriethoxysilane (JH-N303 produced by Jingzhou Jianghan Fine Chemical Co., Ltd.), 20 parts by weight of glass fiber (the alkali-free chopped glass fiber T536 / 550 produced by Taishan Glass Fiber Co., Ltd. , with an average diameter of 0.5um a...

Embodiment 2

[0043] This example is used to illustrate the wood-plastic composite material composition, the wood-plastic composite material and the preparation method thereof disclosed in the present invention.

[0044] 1. Raw material mixing

[0045] Get 30 parts by weight of polypropylene, and 49 parts by weight of wood powder (the wood powder produced by Chengdu Wood Powder Factory, the average particle diameter is 200 orders, and the water content is lower than 0.01wt%), 6 parts by weight of EPDM rubber and Malay Copolymer of acid anhydride (Graft copolymer EPDM-g-MAH of maleic anhydride and ethylene-propylene-diene rubber produced by Yuyao Qinxing Plastic Chemical Co., Ltd.), 1.3 parts by weight of N-propyltriethoxysilane, 13 Parts by weight of basic magnesium sulfate whiskers (WS-1 produced by Yingkou Weiske Chemical Co., Ltd., the average diameter is less than 0.4um, and the aspect ratio is 70), 0.2 parts by weight of [β-(3,5 di-tert-butyl 4- Hydroxy-phenyl)propionic acid]pentaeryt...

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PUM

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Abstract

The invention discloses a wood plastic composite composition, wood plastic composite and a preparation method thereof. The wood plastic composite composition comprises wood powder, resin, compatilizer, reinforcing agent and coupling agent, wherein the compatilizer is the copolymer of rubber and maleic anhydride, and the reinforcing agent is basic magneislum crystal whisker and / or glass fiber. Theinvention also discloses a wood plastic composite and a preparation method thereof, comprising the following steps: extruding the wood plastic composite composition to obtain an extruding product, and shaping the extruding product to obtain the wood plastic composite. The wood plastic composite disclosed by the invention has high mechanical property and favourable toughness.

Description

【Technical field】 [0001] The invention discloses a wood-plastic composite material composition, a wood-plastic composite material and a preparation method thereof. 【Background technique】 [0002] Wood Plastics Composites (WPC for short) is a new type of material with new structure and excellent comprehensive performance formed by compounding wood powder or wood fiber and thermoplastic polymer through melt processing. Because this environmentally friendly material has the advantages of long life, higher hardness than plastic wood, easy coloring, easy molding processing, insect resistance, wear resistance, aging resistance, low water absorption, and similar wooden appearance, it is widely used in furniture and construction. , industry, vehicles and ships, packaging and transportation and other fields. In recent years, the research and development of wood-plastic composites has received great attention. [0003] However, since the wood-plastic composite material contains two ...

Claims

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Application Information

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IPC IPC(8): C08L97/02C08L23/12C08L23/06C08L27/06C08L69/00C08L75/04C08L67/02C08L55/02C08L33/20C08L77/00C08L51/06C08K7/08C08K7/14C08K5/54C08K5/04
Inventor 代小康王辉
Owner BYD CO LTD
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