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Flame-retardant modified polyethylene powder

A polyethylene powder and polyethylene technology, applied in the field of polymer materials, can solve the problems of insufficient antistatic property, limited application range, poor impact toughness, etc., and achieve excellent notched impact toughness, good processability, and good heat resistance. Effect

Inactive Publication Date: 2015-07-01
QINGDAO WANLI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Polyethylene is a thermoplastic with light weight, non-toxicity and good comprehensive properties. It has been widely used in packaging, chemical industry, machinery, pipe, construction and food processing, etc. Insufficient and easy to burn and other shortcomings limit its application range

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0015] The technical solutions of the present invention will be further described below in conjunction with specific embodiments.

[0016] A flame retardant modified polyethylene powder, the composition of which is: 62% polyethylene, 15% flame retardant, 15% nano calcium carbonate, 0.3% magnesium stearate, 5% antistatic masterbatch , 0.2% antioxidant, 1.5% EVA wax, 1% hindered amine high molecular weight stabilizer. Wherein, the flame retardant is a compound flame retardant composed of polydimethylsiloxane and bisphenol A-bis(diphenyl phosphate) with a mass ratio of 1:3; the antistatic masterbatch is made of The antistatic masterbatch that polyethylene resin 30wt%, sodium alkylbenzene sulfonate 40wt%, stearic acid monoglyceride 25wt% and ethylene bisstearamide 5wt% form; Described antioxidant is main antioxidant 1010 Compound with auxiliary antioxidant 168.

[0017] The preparation method is as follows: (1) Preparation of antistatic masterbatch: weigh 30wt% of polyethylene r...

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PUM

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Abstract

The invention discloses a flame-retardant modified polyethylene powder which comprises the following ingredients, by weight, 55-75% of polyethylene, 12-15% of a flame retardant, 5-25% of nano calcium carbonate, 0.1-0.3% of magnesium stearate, 3-8% of antistatic master batch, 0.1-0.5% of an antioxidant, 0.2-1.5% of EVA wax and 0.1-1% of a stabilizing agent, wherein the antistatic master batch is composed of 30 wt% of polyethylene resin, 40 wt% of sodium alkyl benzene sulfonate and 5 wt% of ethylene bis-stearamide. The invention has following beneficial effects: the flame-retardant modified polyethylene powder has excellent notch-impact toughness, high rigidity, good heat resistance, excellent antistatic property and flame retardant property; processability is good; costs are low; and the preparation technology is simple and easy to operate.

Description

technical field [0001] The invention relates to the technical field of polymer materials, in particular to a flame-retardant modified polyethylene powder. Background technique [0002] Polyethylene is a thermoplastic with light weight, non-toxicity and good comprehensive performance. It has been widely used in packaging, chemical industry, machinery, pipe, construction and food processing and other fields. Insufficient and easy to burn and other shortcomings limit its application range. Contents of the invention [0003] The object of the present invention is to provide a flame-retardant modified polyethylene powder with high strength, good impact toughness and good antistatic performance. [0004] The technical solution adopted by the present invention to solve the technical problem is: a kind of flame retardant modified polyethylene powder, its components are proportioned by mass percentage: polyethylene 55%-75%, flame retardant 12%-15%, Nano calcium carbonate 5%~25%, ...

Claims

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Application Information

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IPC IPC(8): C08L23/06C08K13/02C08K3/26C08K5/098C08K5/42C08K5/103C08K5/20C08J3/22B29B9/06B29C47/92B29C48/92
CPCC08L23/06C08J3/226C08J2323/06C08J2423/06C08K2201/011C08L2201/02C08L2201/04C08L2201/08C08L2205/02C08L2205/03C08L83/04C08L23/0853C08K13/02C08K2003/265C08K5/098C08K5/523C08K5/42C08K5/103C08K5/20C08K5/1345C08K5/526
Inventor 不公告发明人
Owner QINGDAO WANLI TECH