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Acid and alkali-resistant polyethylene

A technology of polyethylene and acid and alkali resistance, applied in the field of acid and alkali resistant polyethylene, can solve the problems of difficult production and processing, high cost, low production efficiency, etc., and achieve the effects of improving competitiveness, reducing costs, and facilitating production and procurement

Inactive Publication Date: 2012-02-08
SUZHOU IND PARK XINFENGLIN PLASTIC TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the market of this series of products basically has to use metal raw materials for production, and suffers from a series of shortcomings such as difficult production and processing, many links, high cost, low production efficiency, etc.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0009] Embodiment 1 provides an acid and alkali-resistant polyethylene raw material, which is composed of the following components by weight: polyethylene: 67.5%, antioxidant: 10.5%; conductive graphite: 17.5%; thermoplastic resin: 1%; plasticizer: 0.5%; activated carbon: 0.5%; other additives: 2.5%.

[0010] The following are the concrete steps of this embodiment:

[0011] The preparation method of the acid and alkali resistant polyethylene of the present invention comprises the following steps: making polyethylene into an aqueous solution of about 30%, adding it to the reaction kettle, and slowly adding a certain proportion of Antioxidants, conductive graphite, thermoplastic resins, plasticizers, and other additives can be used to purify and filter with activated carbon after the reaction to obtain a 50% polyethylene saline solution. The salt-forming reaction is an exothermic reaction, so the heat of reaction must be removed by cooling the circulating water. At the same tim...

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PUM

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Abstract

The invention relates to an organic polymer composite material, and specifically, relates to acid and alkali-resistant polyethylene. The acid and alkali-resistant polyethylene comprises: by weight, 50.5 to 89.5% of polyethylene, 5 to 40% of an antioxidant, 2 to 30% of conductive graphite, 0.2 to 1.0% of a thermoplastic resin, 0.2 to 2.0% of a plasticizer, 0.3 to 5.5% of activated carbon, and 0.3 to 5.5% of other auxiliary agents. The acid and alkali-resistant polyethylene can replace a metal raw material to be utilized for production of spare and accessory parts or housings, is convenient for processing, has electromagnetic shielding functions belonging to a metal material, is convenient for purchase, and has acid and alkali corrosion resistance and a certain of mechanical strength and temperature toleration, and thus realizing improvement of competitiveness in all respects.

Description

technical field [0001] The invention relates to an acid and alkali resistant polyethylene. Background technique [0002] Polyethylene is odorless, non-toxic, feels like wax, has excellent low temperature resistance (the lowest operating temperature can reach -70 ~ -100 ° C), good chemical stability, and can withstand most acid and alkali erosion (not resistant to oxidation properties) acid), insoluble in common solvents at room temperature, low water absorption, and excellent electrical insulation properties; but polyethylene is very sensitive to environmental stress (chemical and mechanical effects), and has poor heat aging resistance. [0003] The conductivity and electromagnetic shielding properties of metal are not available in ordinary plastics. At present, in many fields such as civil electronic appliances / toys / communications / cables / military industry, parts that need electromagnetic shielding functions are involved. At present, the market of this series of products b...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/06C08K13/02C08K3/04
Inventor 王志凤
Owner SUZHOU IND PARK XINFENGLIN PLASTIC TECH
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