Nanometer attapulgite-modified chlorosulfonated polyethylene rubber gasket and preparation method thereof

A technology of chlorosulfonated polyethylene and nano-attapulgite, which is applied in the field of gaskets, can solve the problems of unsatisfactory sealing effect, low strength, and poor wear resistance, and achieve excellent results, good corrosion resistance, and good wear resistance Effect

Active Publication Date: 2013-03-20
BENGBU TRIUMPH ENG TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the existing chlorosulfonated polyethylene 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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  • Nanometer attapulgite-modified chlorosulfonated polyethylene rubber gasket and preparation method thereof

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Embodiment

[0015] A nano-attapulgite-modified chlorosulfonated polyethylene rubber sealing gasket, the weight parts of which are composed of raw materials are: chlorosulfonated polyethylene rubber CSM2305 142 parts, Butyl rubber CBK139 15 copies, LANXESS 2470 EPDM Rubber 12 parts, 3 parts of phthalates, 4 parts of propylene glycol sebacate polyester, 5 parts of n-butyl methacrylate, 4 parts of zinc oxide, bis Isooctyl Thioglycolate 2 parts of di-n-octyl tin, 1.5 parts of zinc stearate, 28 parts of light calcium carbonate, 45 parts of nano-attapulgite, 42 parts of carbon black N220, isopropyl tris(dioctyl pyrophosphate acyloxy) titanate 1.8 parts, antioxidant 1010 0.8 parts, 3-aminopropyltrimethoxysilane 1.2 parts, crosslinking agent TAC 0.8 parts, antioxidant OD 1.5 parts, antioxidant ODA 1.5 parts, antioxidant TPPD 2 parts, accelerator Na 1 part of -22, 3 parts of accelerator DM, 2 parts of modified tree ash.

[0016] Wherein, the modified tree ashes are prepared by the following m...

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Abstract

The invention discloses a nanometer attapulgite-modified chlorosulfonated polyethylene rubber gasket. Raw materials for the nanometer attapulgite-modified chlorosulfonated polyethylene rubber gasket comprise, by weight, 135 to 145 parts of chlorosulfonated polyethylene rubber CSM2305, 10 to 15 parts of butyl rubber CBK139, 10 to 15 parts of Lanxess 2470 EPDM rubber, 2 to 5 parts of phthalate, 3 to 5 parts of propanediol sebacate polyester, 2 to 5 parts of n-butyl methacrylate, 3 to 4 parts of zinc oxide, etc. The gasket provided by the invention has the advantages of good high temperature resistance, sealing performance and flame resistance, excellent resistance to corrosion, small changes in its volume and hardness when working in mediums like an acid, an alkali and oil for a long time, no adherency onto the surface of a metal, a small friction coefficient, good wear resistance, flexibility of bonding with a sealing surface, good resistance to weathering ageing and ozone ageing, durability, etc.

Description

technical field [0001] The invention relates to a sealing gasket, in particular to a nano-attapulgite-modified chlorosulfonated polyethylene rubber sealing gasket and a preparation method thereof. Background technique [0002] Chlorosulfonated polyethylene rubber gasket is a material used for sealing inside machinery, equipment, pipelines, etc. Chlorosulfonated polyethylene rubber gasket has unique aging resistance, heat resistance, flame retardancy, especially weather resistance, ozone resistance and chemical corrosion resistance, which are unmatched by any other rubber. Therefore, it can better meet the needs of various fields. Harsh requirements, widely used in defense industry and civilian industry. However, the existing chlorosulfonated polyethylene rubber gasket has 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 novel chlorosulfona...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/34C08L23/22C08L23/16C08K13/06C08K3/34C08K5/12C08K3/22C08K3/26C08K5/544
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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