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Modified ultra-high molecular weight polyethylene resin

An ultra-high molecular weight, polyethylene resin technology, applied in the chemical industry, can solve problems such as low creep resistance, low surface hardness, and poor rigidity

Inactive Publication Date: 2010-11-03
王崇高
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the ultra-high molecular weight polyethylene resins on the market have defects such as low heat distortion temperature, poor processability, low surface hardness, poor rigidity, low creep resistance and large expansion coefficient.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0009] 80% of ultra-high molecular weight polyethylene resin, 5% of nano-graphite, 5% of molybdenum disulfide, 5.9% of superfine talcum powder, 2% of ethylene bis stearic acid amide, 2% of polytetrafluoroethylene, and 0.1% of benzoyl oxide % into the high-speed mixer in turn, turn on the high-speed mixer and adjust the temperature of the high-speed mixer to 80°C, and release it after high-speed mixing for 30 minutes, and then send the mixed material of the high-speed mixer into the open rubber mixer, Knead at 240°C for 30 minutes, put the kneaded material into a crusher and process it into particles with a size of about 3×3mm, which are modified ultra-high molecular weight polyethylene resins.

Embodiment 2

[0011] 85% of ultra-high molecular weight polyethylene resin, 3% of nano-graphite, 3% of molybdenum disulfide, 4.9% of ultra-fine talc powder, 2% of ethylene bis stearic acid amide, 2% of polytetrafluoroethylene, and 0.1% of benzoyl oxide % into the high-speed mixer in turn, turn on the high-speed mixer and adjust the temperature of the high-speed mixer to 80°C, and release it after high-speed mixing for 30 minutes, and then send the mixed material of the high-speed mixer into the open rubber mixer, Knead at 230°C for 30 minutes, put the kneaded material into a crusher and process it into granules with a size of about 3×3mm, which are modified ultra-high molecular weight polyethylene resins.

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PUM

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Abstract

The invention discloses a production formula and a manufacturing method of a modified ultra-high molecular weight polyethylene resin. The modified ultra-high molecular weight polyethylene resin comprises an ultra-high molecular weight polyethylene resin, molybdenum disulfide, nano graphite, superfine talcum powder, ethylene bis stearamide, polytetrafluoroethylene and benzoyl peroxide. The modified ultra-high molecular weight polyethylene resin has ultra high wear resistance and favorable temperature tolerance and self-lubricating property. Compared with the resin before the modification, the modified resin has the advantages that the heat distortion temperature is increased by 38 DEG C, the Shore hardness is improved by 20 degrees, the friction factor is decreased by 40%, and the expansion factor is decreased by 30%. The modified resin is widely used for producing products such as gears, valves, artificial joints, skis, oil field transfer pipelines and the like.

Description

Technical field [0001] The invention belongs to the technical field of chemical industry and relates to a production formula of modified ultra-high molecular weight polyethylene resin and a production method thereof. Background technique [0002] At present, the ultra-high molecular weight polyethylene resins on the market have defects such as low heat distortion temperature, poor processability, low surface hardness, poor rigidity, low creep resistance and large expansion coefficient. For this reason, it is of great significance to produce a modified UHMWPE resin. Invention content: [0003] The purpose of the present invention is to provide a modified ultra-high molecular weight polyethylene resin production formula and its production method. [0004] In order to achieve the above object, a kind of modified ultrahigh molecular weight polyethylene resin of the present invention is made of ultrahigh molecular weight polyethylene resin, molybdenum disulfide, nanometer grap...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/06C08L27/18C08K13/02C08K3/30C08K3/04C08K3/34C08K5/20C08K5/14
Inventor 王崇高
Owner 王崇高
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