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EPDM flame-retardant rubber

A flame retardant rubber and composite flame retardant technology, applied in the field of EPDM flame retardant rubber, can solve the problems of poor aging resistance, halogen-containing flame retardants do not contain environmental protection, etc.

Inactive Publication Date: 2021-11-30
DONGGUAN CENTURY CREATION INSULATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The main defect of natural rubber is that it has poor aging resistance, especially the performance of weather aging resistance, high temperature resistance, ozone aging resistance, etc. EPDM (Ethylene Propylene Diene Monomer) rubber; at present, EPDM rubber needs to add halogen-containing flame retardants to achieve 0.5mm flame-retardant grade UL94V0. Halogen-containing flame retardants are not environmentally friendly, and improvements are made for this

Method used

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  • EPDM flame-retardant rubber

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Embodiment Construction

[0011] The technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0012] For this example, see figure 1 , a kind of EPDM flame-retardant rubber of its specific implementation, this rubber is made of EPDM rubber, high-efficiency composite flame retardant, carbon black, paraffin oil, zinc oxide, stearic acid, internal release agent, sulfur, tetrasulfide Methyl thiuram, zinc dibutyl dithiocarbamate and composite accelerator are made, and the part ratio of described EPDM rubber is 35.1 parts, and the part ratio of high-efficiency composite flame retardant is 52.6 parts, carbon black The weight ratio ...

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Abstract

The invention relates to the technical field of rubber, in particular to EPDM flame-retardant rubber. The EPDM flame-retardant rubber is prepared from 35.1 parts by weight of ethylene-propylene-diene monomer rubber, 52.6 parts of an efficient composite flame retardant, 2 parts of carbon black, 4.8 parts of paraffin oil, 1.8 parts of zinc oxide, 0.55 part of stearic acid, 0.55 part of an internal release agent, 0.55 part of sulfur, 0.73 part of tetramethylthiuram disulfide, 0.18 part of zinc dibutyldithiocarbamate, and 1.14 part of a composite accelerant. According to the invention, a halogen-containing flame retardant does not need to be added.

Description

technical field [0001] The invention relates to the technical field of rubber, in particular to an EPDM flame-retardant rubber. Background technique [0002] General natural rubber has excellent properties such as high strength, long elongation, and good elasticity, and can be widely used in rubber products. The main defect of natural rubber is that it has poor aging resistance, especially the performance of weather aging resistance, high temperature resistance, ozone aging resistance, etc. EPDM (Ethylene Propylene Diene Monomer) rubber; at present, EPDM rubber needs to be added with a halogen-containing flame retardant to achieve a 0.5mm flame-retardant grade of UL94V0. The halogen-containing flame retardant is not environmentally friendly, and improvements have been made for this. Contents of the invention [0003] In order to overcome the disadvantages of the above-mentioned situation, the invention aims to provide a technical solution that can solve the above-mentione...

Claims

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Application Information

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IPC IPC(8): C08L23/16C08L91/06C08K3/04C08K5/09C08K3/22C08K3/06C08K13/02
CPCC08L23/16C08K2003/2296C08L2201/02C08L91/06C08K3/04C08K5/09C08K3/22C08K3/06C08K13/02
Inventor 郑文辉全斌
Owner DONGGUAN CENTURY CREATION INSULATION
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