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Flame-retardant and slow-rebounded ethylene-propylene-diene-terpolymer rubber porous foaming material and preparation method thereof

A technology of EPDM and foaming materials, applied in the field of foaming materials, can solve the problems of large compression deformation, poor flame retardant effect, limited use range, etc., and achieves strong shock absorption, small compression deformation, and simple and easy preparation method. row effect

Active Publication Date: 2014-11-26
YIBAO FUJIAN POLYMER MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this method realizes the flame-retardant and slow-rebound properties of the EPDM open-cell foam material, the prepared flame-retardant slow-rebound EPDM open-cell foam material has a large specificity and poor flame-retardant effect. , large compression deformation, aging resistance and other shortcomings, which seriously limit its scope of use
How to solve the above-mentioned shortcomings of the existing flame-retardant slow-rebound EPDM open-cell foaming material has always been a difficult problem in the research field of flame-retardant slow-rebound EPDM open-cell foaming material. There are no related reports on flame-retardant slow-rebound EPDM open-cell foam materials that integrate light weight, low-smoke flame-retardant, strong shock absorption, small compression deformation, and aging resistance.

Method used

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  • Flame-retardant and slow-rebounded ethylene-propylene-diene-terpolymer rubber porous foaming material and preparation method thereof
  • Flame-retardant and slow-rebounded ethylene-propylene-diene-terpolymer rubber porous foaming material and preparation method thereof

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Experimental program
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Effect test

Embodiment 1

[0053] Embodiment 1: A preparation method of a flame-retardant slow-rebound EPDM rubber open-cell foam material is as follows:

[0054] (1) Internal mixing: first put 100 parts of EPDM rubber, 70 parts of butyl rubber, 10 parts of carbon black, and 10 parts of petroleum resin into the internal mixer for 5 minutes under pressure, and then add 3 parts of dispersant, 5 parts of flow agent, 5 parts of anti-aging agent, 10 parts of flame retardant, 10 parts of smoke suppressant, 50 parts of kaolin, 15 parts of foaming aid, 20 parts of foaming agent, 50 parts of processing oil, put into internal mixer and pressurize Knead for 15 minutes; finally, put 5 parts of accelerator and 6 parts of vulcanizing agent into the internal mixer and knead for 3 minutes under pressure to remove the glue. During mixing, the temperature in the internal mixer is controlled at 120°C.

[0055](2) Automatic thermal refining, hanging and parking: Put the mixed rubber into the open mill for thermal refining,...

Embodiment 2

[0060] The preparation method of embodiment 2 and embodiment 3 is the same as embodiment 1, and the only difference is that the weight ratio of each raw material is different, and the ratio of raw material weight parts in embodiment 1-3 is shown in Table 1:

[0061]

[0062] Table 1, the proportioning table of each raw material weight part of embodiment 1-3

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Abstract

The invention relates to a foaming material, and in particular relates to a flame-retardant and slow-rebounded ethylene-propylene-diene-terpolymer rubber porous foaming material and a preparation method thereof. The flame-retardant and slow-rebounded ethylene-propylene-diene-terpolymer rubber porous foaming material with the characteristics of light weight, low smoke, flame retardance, strong shock absorption, small compression deformation, ageing resistance and the like is prepared in a crosslinking and foaming manner according to a proper formula and a proper process. The foaming material is widely applied to various filed of national economy such as engine sealing and shock absorption in automobile industry; leakproof sealing and wall sound absorption in construction industry; rail padding in rail transit; fin sealing in shipping industry, and the like.

Description

technical field [0001] The invention relates to a foaming material, in particular to a flame-retardant slow-rebound EPDM open-cell foaming material with the characteristics of light weight, low smoke, flame retardancy, strong shock absorption, small compression deformation, and aging resistance. its preparation method. Background technique [0002] EPDM rubber is widely used in aviation, automobiles, ships, electronics, construction and other fields because of its excellent weather resistance, ozone resistance, heat resistance, electrical insulation and chemical medium corrosion resistance. [0003] The fast rebound EPDM open-cell foam materials currently on the market have greatly improved shock absorption compared with closed-cell foam materials, but compared with slow-rebound EPDM open-cell foam materials, there is still There must be a gap. [0004] The existing flame-retardant slow-rebound EPDM open-cell foaming material is based on the formula of the fast-rebound EPD...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/16C08L23/22C08L57/02C08K3/04C08K3/34C08J9/04
CPCB29C35/02C08J9/0061C08J9/103C08J2203/04C08J2323/16C08J2423/22C08J2491/06C08L23/16C08L2201/02C08L2201/08C08L2203/14C08L2205/035C08L23/22C08L57/02C08L91/06C08K13/02C08K3/04C08K3/346
Inventor 侯汝红陈奕汲
Owner YIBAO FUJIAN POLYMER MATERIALS
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