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Silicone rubber high temperature-resistant conveyor belt

A silicone rubber and high temperature resistant technology, applied in the field of silicone rubber high temperature resistant conveyor belts, can solve problems such as economic losses in transportation engineering, major safety accidents, belt damage, etc., and achieve the goals of improving production efficiency, good mechanical properties, and increasing service life Effect

Inactive Publication Date: 2015-10-07
SHANDONG XIANGTONG RUBBER GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In order to meet the requirements of high temperature resistance, the high temperature resistant conveyor belt in the prior art usually adds a heat insulating layer on the surface of the conveyor belt or uses a coking agent to carbonize the surface of the belt body to prevent heat, but the disadvantage of the above two methods is that the conveying The surface layer of the belt body is often degummed, delaminated or broken, which leads to damage to the belt body. Once the belt body is damaged, it will bring a large safety accident and bring large economic losses to the entire transportation project.

Method used

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  • Silicone rubber high temperature-resistant conveyor belt

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] 1) Turn on the open mill and adjust the temperature. When the temperature rises to about 70°C, put 65 parts of EPDM and 35 parts of silicone rubber into the open mill for mastication, and the masterbatch is well wrapped before feeding;

[0017] 2) Add various compounding agents in sequence: 10 parts of zinc oxide, 5 parts of stearic acid, 2.5 parts of compatibilizer, 6 parts of Si-69 silane coupling agent, 10 parts of coumarone, 3.5 parts of microcrystalline wax, 1.5 parts Anti-aging agent RD, 1.5 parts of anti-aging agent 4020, 1.5 parts of anti-aging agent MB, 50 parts of reinforcing agent N220, 10 parts of white carbon black, 2 parts of accelerator TMTD, 1.5 parts of accelerator CZ, 2 parts of dicumyl peroxide, Fully knead to get the mixed rubber, thin pass 5 times and set aside for use;

[0018] 3) Pass the kneaded film through an open mill to make 2mm×100mm×100mm unvulcanized film, vulcanize it in a vulcanizing machine, the vulcanization condition is 147°C, 30min, ...

Embodiment 2

[0021] 1) Turn on the open mill and adjust the temperature. When the temperature rises to about 70°C, put 70 parts of EPDM and 30 parts of silicone rubber into the open mill for plastication, and the masterbatch is well wrapped before feeding;

[0022] 2) Add various compounding agents in sequence: 10 parts of zinc oxide, 5 parts of stearic acid, 2.5 parts of compatibilizer, 6 parts of Si-69 silane coupling agent, 10 parts of coumarone, 3.5 parts of microcrystalline wax, 1.5 parts Anti-aging agent RD, 1.5 parts of anti-aging agent 4020, 1.5 parts of anti-aging agent MB, 50 parts of reinforcing agent N220, 10 parts of white carbon black, 2 parts of accelerator TMTD, 1.5 parts of accelerator CZ, 2 parts of dicumyl peroxide, Fully knead to get the mixed rubber, thin pass 5 times and set aside for use;

[0023] 3) Pass the kneaded film through an open mill to make a 2mm×100mm×100mm unvulcanized film, and vulcanize it in a vulcanizer under the conditions of 147°C and 30min. Cut th...

Embodiment 3

[0026] 1) Turn on the open mill and adjust the temperature. When the temperature rises to about 70°C, put 70 parts of EPDM and 30 parts of silicone rubber into the open mill for plastication, and the masterbatch is well wrapped before feeding;

[0027] 2) Add various compounding agents in sequence: 15 parts of zinc oxide, 5 parts of stearic acid, 2.5 parts of compatibilizer, 6 parts of Si-69 silane coupling agent, 10 parts of coumarone, 3.5 parts of microcrystalline wax, 1.5 parts Anti-aging agent RD, 1.5 parts of anti-aging agent 4020, 1.5 parts of anti-aging agent MB, 50 parts of reinforcing agent N220, 10 parts of white carbon black, 2 parts of accelerator TMTD, 1.5 parts of accelerator CZ, 2 parts of dicumyl peroxide, Fully knead to get the mixed rubber, thin pass 5 times and set aside for use;

[0028] 3) Pass the kneaded film through an open mill to make a 2mm×100mm×100mm unvulcanized film, and vulcanize it in a vulcanizer under the conditions of 147°C and 30min. Cut th...

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Abstract

A silicone rubber high temperature-resistant conveyor belt consists of the following components in part by weight: 65 to 70 parts of ethylene-propylene-diene monomer, 30 to 35 parts of silicone rubber, 2 parts of vulcanizer, 3.5 parts of accelerant, 2.5 parts of solubilizer, 6 parts of Si-69 silane coupling agent, 60 parts of fortifier, 4.5 to 5 parts of antiager, 10 to 20 parts of activator, 3.5 parts of microcrystalline wax and 10 parts of coumarone. The silicone rubber high temperature-resistant conveyor belt has the beneficial effects that the problem of difficulty in mixing the ethylene-propylene-diene monomer and the silicone rubber is solved, rubber master batch adopts the ethylene-propylene-diene monomer and the silicone rubber which are mixed, so that the conveyor belt has good mechanical properties and burning resistance, high thermal decomposition temperature, better interface binding property and high temperature combustion gas erosion resistance, the service life of the conveyor belt under high temperature environment is prolonged, the production cost is reduced, and the production efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of conveyor belts, in particular to a silicone rubber high temperature resistant conveyor belt. Background technique [0002] In order to meet the requirements of high temperature resistance, the high temperature resistant conveyor belt in the prior art usually adds a heat insulating layer on the surface of the conveyor belt or uses a coking agent to carbonize the surface of the belt body to prevent heat, but the disadvantage of the above two methods is that the conveying The surface layer of the belt body is often degummed, delaminated or broken, resulting in damage to the belt body. Once the belt body is damaged, it will bring about a large safety accident and bring large economic losses to the entire transportation project. Contents of the invention [0003] In order to solve the above problems, the present invention designs a silicone rubber conveyor belt that will not cause belt body degumming, delami...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/16C08L83/04C08L91/06C08L45/02C08K13/02C08K3/36C08K3/22C08K5/09C08K5/14
CPCC08L23/16C08L2201/08C08L2205/035C08L83/04C08L91/06C08L45/02C08K13/02C08K3/36C08K2003/2296C08K5/09C08K5/14
Inventor 江建梁张振宇黄贞旭
Owner SHANDONG XIANGTONG RUBBER GRP
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