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Highly waterproof polystyrene based wood-plastic composite material and preparation method thereof

A wood-plastic composite material, polystyrene-based technology, applied in the field of wood-plastic composite materials, to achieve the effect of excellent water resistance

Inactive Publication Date: 2018-05-22
天津格林凯恩化工科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention is to solve the existing problems, provide high water resistance polystyrene-based wood-plastic composite material and its preparation method, and meet the needs of different occasions

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Polystyrene-based wood-plastic composite material A consists of the following components by weight: 40% wood powder (100 mesh), 40% polystyrene (new product), 4% coupling agent titanate, and foaming agent bicarbonate Sodium 1%, foaming aid polystyrene ester 2%, modifier chlorinated polystyrene 5%, filler calcium carbonate 4%, plasticizer epoxy soybean oil 3%, lubricant stearic acid 1 %. According to the three steps of mixing, extrusion granulation and compression molding, the plate is made.

[0015] According to "Experimental Method for Bending Properties of Plastics" (GB / T 9341-2000), test the bending properties; Test methods for tensile properties" (GB / T 1040-2006) for testing tensile properties; "Experimental methods for water absorption properties of plastics" (GB / T 1034-2008) for testing water resistance.

[0016] The test results show that the tensile strength is 16.4 MPa, the bending strength is 24.9 MPa, and the impact strength is 3.33 kJ / m 3 , The water abso...

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Abstract

The invention discloses a highly waterproof polystyrene based wood-plastic composite material and a preparation method thereof. The wood-plastic composite material is composed of the following components in percentage by weight: 40 to 50% of wood powder, 30 to 40% of polystyrene, and 20% of auxiliary agents and additives. The preparation method comprises three steps: mixing, granulating, and moulding. The provided wood-plastic composite material has an excellent waterproof performance, and the test results of GB / T 1034-2008 show that the water absorbing rate is less than 1.0 wt% and is obviously better than that of wood-plastic products on the market.

Description

technical field [0001] The invention relates to the technical field of wood-plastic composite materials, in particular to a highly water-resistant polystyrene-based wood-plastic composite material and a preparation method thereof. Background technique [0002] Wood-plastic composite materials are made of agricultural and forestry waste and plastics as the main raw materials. They are modified by material reinforcement filling, and appropriate processing aids are added. Composite materials are obtained by extrusion, injection molding, molding methods and other processing methods. It is of great significance to research and develop wood-plastic composite material, a new type of environmentally friendly material with low price and wide application prospects. Wood-plastic composite products fully embody the recycling of renewable resources and petroleum products, which can effectively alleviate the current shortage of resources, environmental pollution and other problems, and ha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L97/02C08L25/06C08L91/00C08K5/10C08K3/26C08K5/09C08J9/08
CPCC08L97/02C08J9/08C08J2203/02C08J2325/06C08J2397/02C08J2425/06C08J2497/02C08L25/06C08L2203/14C08L2205/025C08L2205/035C08L2205/16C08L91/00C08K5/10C08K2003/265C08K5/09
Inventor 不公告发明人
Owner 天津格林凯恩化工科技有限公司
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