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Polyethylene wood plastic and preparation method thereof

A technology of polyethylene and polyethylene wax, which is applied in the field of polyethylene wood-plastic and its preparation, can solve the problems of easy deformation and bending at high temperature, stress cracking, etc., achieve high temperature resistance to deformation, increase extrusion speed, and improve production efficiency Effect

Inactive Publication Date: 2013-05-01
山西峰岩新型建材股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Moreover, polyethylene wood plastic itself has the disadvantages of high temperature deformation, bending or stress cracking.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A polyethylene wood plastic, the raw materials used are prepared according to the following parts by weight:

[0027] 35 parts of polyethylene, 60 parts of wood flour, 1.5 parts of maleic anhydride grafted polyethylene, 0.8 parts of polyethylene wax, 2 parts of zinc stearate, 2 parts of toner, 0.8 parts of antioxidant, anti-ultraviolet absorber UV-531 0.6 parts, 0.8 parts of stearic acid.

[0028] The antioxidant is antioxidant 168, namely tris[2,4-di-tert-butylphenyl]phosphite.

[0029] The anti-ultraviolet absorber UV-531 is 2-hydroxyl-4-n-octyloxybenzophenone.

[0030] A preparation method of polyethylene wood-plastic is carried out according to the following steps:

[0031] First send the wood flour and polyethylene into a high-speed mixer for heating and mixing, and then add the maleic anhydride grafted polyethylene, polyethylene wax, zinc stearate, toner, After antioxidant, anti-ultraviolet absorber UV-531 and stearic acid were mixed for 5 minutes, they were se...

Embodiment 2

[0036] A polyethylene wood plastic, the raw materials used are prepared according to the following parts by weight:

[0037] 30 parts of polyethylene, 50 parts of wood flour, 0.5 parts of maleic anhydride grafted polyethylene, 1 part of polyethylene wax, 1 part of zinc stearate, 3 parts of toner, 0.5 parts of antioxidant, anti-ultraviolet absorber UV-531 0.5 parts, 1 part of stearic acid.

[0038] The antioxidant is antioxidant 168, namely tris[2,4-di-tert-butylphenyl]phosphite.

[0039] The anti-ultraviolet absorber UV-531 is 2-hydroxyl-4-n-octyloxybenzophenone.

[0040] A preparation method of polyethylene wood-plastic is carried out according to the following steps:

[0041] First send the wood flour and polyethylene into a high-speed mixer for heating and mixing, and then add the maleic anhydride grafted polyethylene, polyethylene wax, zinc stearate, toner, After antioxidant, anti-ultraviolet absorber UV-531 and stearic acid were mixed for 5 minutes, they were sent to a...

Embodiment 3

[0046] A polyethylene wood plastic, the raw materials used are prepared according to the following parts by weight:

[0047] 40 parts of polyethylene, 70 parts of wood flour, 2 parts of maleic anhydride grafted polyethylene, 1.5 parts of polyethylene wax, 3 parts of zinc stearate, 6 parts of toner, 1 part of antioxidant, anti-ultraviolet absorber UV-531 0.9 parts, 1.2 parts of stearic acid.

[0048] The antioxidant is antioxidant B215.

[0049] The antioxidant B215 is a synergistic mixture of antioxidant 168 and antioxidant 1010.

[0050] The anti-ultraviolet absorber UV-531 is 2-hydroxyl-4-n-octyloxybenzophenone.

[0051] A preparation method of polyethylene wood-plastic is carried out according to the following steps:

[0052] First send the wood flour and polyethylene into a high-speed mixer for heating and mixing, and then add the maleic anhydride grafted polyethylene, polyethylene wax, zinc stearate, toner, After antioxidant, anti-ultraviolet absorber UV-531 and stearic...

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Abstract

The invention relates to a polyethylene wood plastic and a preparation method thereof and belongs to the technical field of plastic compound modifying processing. The invention provides a formula of the polyethylene wood plastic and a preparation method for a section bar; extruding temperature and extruding speed are increased; a polyethylene wood plastic section bar produced according to the preparation method has excellent high-temperature resistance; and according to the technical scheme, the polyethylene wood plastic comprises the following raw materials in parts by weight: 30-40 parts of polyethylene, 50-70 parts of wood flour, 0.5-2 parts of maleic anhydride grafted polyethylene, 0.8-1.5 parts of polyethylene wax, 1-3 parts of zinc stearate, 2-6 parts of toner, 0.5-1 part of antioxidant, 0.4-0.9 part of anti-ultraviolet light absorber UV-531 and 0.5-1.2 parts of stearic acids. The preparation method provided by the invention is suitable for the extruding molding of the polyethylene wood plastic section bar.

Description

technical field [0001] The invention discloses a polyethylene wood-plastic and a preparation method thereof, belonging to the technical field of plastic compound modification processing. Background technique [0002] Forest resources play a vital role in protecting the ecological environment on which human beings depend. my country's wood consumption is very large, and more than 200,000 mu of forests need to be felled every year to meet the needs. Due to the deforestation of forest resources and the destruction of natural vegetation, the ecological environment is deteriorating day by day, and soil desertification is getting worse day by day. If a wood-like plastic factory is built, it can produce the equivalent of 1667m 3 The wood-plastic material of logs is equivalent to the wood output of about 174 mu of forest. In order to protect the ecological environment, people put forward the slogan of "give the forest to future generations" and put forward the request not to cut ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L97/02C08L23/06C08L51/06C08K5/00C08K5/526C08K5/134C08K5/098C08K5/09B29C47/92B29B9/06B29C48/92
CPCB29C48/40B29C48/92B29C2948/92019
Inventor 高江亮吴祥王维
Owner 山西峰岩新型建材股份有限公司
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