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Chlorosulfonated polyethylene (CSM) rubber/butyl rubber gasket and preparation method thereof

A technology of chlorosulfonated polyethylene and butyl rubber, which is applied in chemical instruments and methods, dyed low-molecular-weight organic compound treatment, dyed high-molecular-weight organic compound treatment, etc. and other problems, to achieve the effect of good corrosion resistance, good wear resistance and excellent effect.

Active Publication Date: 2013-05-08
BENGBU TRIUMPH ENG TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing rubber gaskets have defects such as unsatisfactory sealing effect, poor wear resistance, and low strength, which are far from meeting the actual requirements.

Method used

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  • Chlorosulfonated polyethylene (CSM) rubber/butyl rubber gasket and preparation method thereof

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Embodiment

[0015] A chlorosulfonated polyethylene rubber / butyl rubber sealing gasket, the weight parts of which are composed of raw materials are: 140 parts of chlorosulfonated polyethylene rubber CSM2305, 10 parts of butyl rubber CBK139, 15 parts of butyl rubber BBK232, glycerol triacetate 5 parts of ester, 4 parts of epoxidized soybean oil, 3 parts of glycerol triglyceride, 5 parts of magnesium oxide, 2 parts of isooctyl dithioglycolate, 2 parts of di-n-octyl tin, 8 parts of zinc oxide, 6 parts of attapulgite, nano 22 parts of dolomite powder, 25 parts of bauxite powder, 12 parts of carbon black N339, 1.5 parts of titanate coupling agent TMC-TTS, 1.8 parts of antioxidant 1010, 2 parts of phenyltriethoxysilane, silane coupling 1.5 parts of anti-aging agent KH550, 1 part of anti-aging agent ODA, 2 parts of anti-aging agent RD, 2 parts of 2-mercaptobenzimidazole, 1.5 parts of accelerator CZ, 0.8 parts of accelerator CBS, 0.15 parts of accelerator Na-22, modified 2 pieces of tree ash.

[...

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PUM

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Abstract

The invention discloses a chlorosulfonated polyethylene (CSM) rubber / butyl rubber gasket. The gasket comprises the following raw materials in parts by weight: 135-145 parts of CSM2305, 10-15 parts of butyl rubber CBK139, 10-15 parts of butyl rubber BBK232, 3-5 parts of glycerol triacetate, 2-5 parts of epoxidized soybean oil, 2-5 parts of glycerol trioleate, 2-5 parts of magnesium oxide, 1-2 parts of imarcaptoacetate dioctyltin, 5-10 parts of zinc oxide and 5-10 parts of attapulgite. The gasket has the advantages of good high temperature resistance, sealing property, flame retardance and corrosion resistance, can work for a long time in such media as acid, alkali and oil, is small in variation of volume and hardness, is not adhered to the metal surfaces, has small friction coefficient, good wear resistance, flexibility of binding with sealing surfaces and good weathering, aging and ozone aging resistance and is durable in use.

Description

technical field [0001] The invention relates to a gasket, in particular to a chlorosulfonated polyethylene rubber / butyl rubber gasket and a preparation method thereof. Background technique [0002] Gasket is a material used for sealing inside machinery, equipment, pipelines, etc. The gaskets currently used are mostly rubber gaskets, which are characterized by high temperature resistance, ozone resistance, natural aging resistance, vacuum resistance, fuel oil resistance, lubricating oil resistance, strong oxidant resistance, chemical resistance and good electrical insulation performance. Widely used in defense industry and civilian industry. However, the existing rubber gaskets have defects such as unsatisfactory sealing effect, poor wear resistance and low strength, which are far from meeting the actual requirements. Therefore researching and developing a kind of high-performance rubber gasket has become the task of top priority. Contents of the invention [0003] The o...

Claims

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Application Information

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IPC IPC(8): C08L23/34C08L23/22C08K13/06C08K9/04C08K9/02C08K3/04C08K5/103C08K5/1515C08K3/22C08K3/34C09C1/44C09C3/06C09C3/08C09C3/10B29C35/02B29B7/28B29B7/72
Inventor 邢宝山刘润东陈坤郑纤秀卢佩庆徐超
Owner BENGBU TRIUMPH ENG TECH CO LTD
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