High-strength wear-resistant plastic wood composite material and preparation method thereof

A wood-plastic composite material and wear-resistant filler technology, applied in the direction of adhesives, etc., can solve the problems of high production cost and low wear resistance, and achieve the effect of improving service life, reducing usage and increasing market share.

Inactive Publication Date: 2013-02-13
GEM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a high-strength wear-resistant plastic-wood composite material in order to solve the disadvantages of low wear resistance and high production cost of the existing plastic-wood composite material, and also to provide the high-strength wear-resistant plastic-wood composite material economical Practical preparation method

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Raw material components by weight

[0033] Component A: 30 parts of high-density polyethylene (HDPE), 45 parts of activated wood powder (42 parts of wood powder and 3 parts of vinyl tri(methoxyethoxy) silane), 5 parts of PE grafted maleic anhydride, 16 parts of ammonium polyphosphate, 2 parts of zinc stearate, 0.8 part of antioxidant 1010 and 1.2 parts of coloring agent.

[0034] Component B: 30 parts of high-density polyethylene (HDPE), 35 parts of activated wood powder (32 parts of wood powder and 3 parts of vinyl tri(methoxyethoxy) silane), 4 parts of PE grafted maleic anhydride, 12 parts of ammonium polyphosphate, 9 parts of carbon fiber, 6 parts of zinc oxide, 2 parts of zinc stearate, 0.8 part of antioxidant 1010 and 1.2 parts of coloring agent.

[0035] For component A, first mix wood flour and vinyl tris(methoxyethoxy)silane fully in a high-speed mixer, and activate it in an oven at 120°C for 3 hours to make activated wood flour, then put the activated Add woo...

Embodiment 2

[0038] Raw material components by weight

[0039] Component A: 30 parts of polypropylene (PP), 46 parts of activated wood powder (43 parts of wood powder and 3 parts of vinyltrimethoxysilane), 5 parts of PP grafted maleic anhydride, 15 parts of ammonium polyphosphate, stearin 2 parts of zinc acid, 0.8 parts of antioxidant 1010 and 1.2 parts of coloring agent.

[0040] Component B: 30 parts of polypropylene (PP), 34 parts of activated wood powder (31 parts of wood powder and 3 parts of vinyltrimethoxysilane), 5 parts of PP grafted maleic anhydride, 12 parts of ammonium polyphosphate, stearin 2 parts of zinc oxide, 9 parts of carbon fiber, 6 parts of zinc oxide whiskers, 0.8 parts of antioxidant 1010 and 1.2 parts of colorant.

[0041] For component A, firstly mix wood flour and vinyltrimethoxysilane fully in a high-speed mixer, activate in an oven at 120°C for 3 hours to make activated wood flour, then mix activated wood flour, PP, PP Grafted maleic anhydride, ammonium polyph...

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Abstract

The invention relates to a plastic wood composite material, and provides a high-strength wear-resistant plastic wood composite material and a preparation method thereof. The high-strength wear-resistant plastic wood composite material of the invention is prepared by the following components by weight: 20-35 parts of plastics, 20-70 parts of natural wood fibers, 5-45 parts of a fire retardant, 1-10 parts of a compatibilizer, 0.1-3 parts of a lubricant, 0.5-3 parts of plasticizer, 5-20 parts of reinforcing wear resistant filling materials, and 0.05-4 parts of a processing auxiliary agent. The invention adopts a co-extrusion process; the plastic wood profile is divided into several layers (two or more than two layers); the reinforcing wear resistant filling materials are added only in the surface layer, which significantly reduces the using amount of the filling materials, and reduces the production cost. The produced high-strength wear-resistant plastic wood composite material not only has the characteristics of other plastic wood profiles, but also greatly reduces the production cost.

Description

technical field [0001] The invention belongs to the composite of plastics and natural biopolymers, in particular to plastic-wood composite materials. Background technique [0002] Wood-plastic composite material is a new type of environmentally friendly composite material. It uses various waste natural wood fibers and recycled plastics for compounding, and adds special additives. It is extruded to resemble wood but has much better performance than wood. New environmentally friendly composite materials. This material has the advantages of good dimensional stability, high specific strength, and repeated recycling, and has been widely used in indoor and outdoor construction, transportation, packaging and other fields. [0003] It is precisely because of the many advantages of wood-plastic composite materials that the market has grown rapidly, and the rapidly expanding market has put forward higher performance requirements for wider applications of wood-plastic composite materi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L97/02C08L23/06C08L23/12C08L27/06C08L25/06C08L55/02C08L69/00C08L51/06C08K13/02C08K13/04C08K3/32C08K5/098C08K3/22C08K7/06C08K7/08
CPCC08L97/02C08L2205/16C08L2201/02C09J201/00C08K3/016C08L101/00
Inventor 程青民张翔黄旭江闫梨王文平
Owner GEM CO LTD
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