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Modified rubber composite sealing gasket material and preparation method thereof

A composite gasket and modified rubber technology, which is applied in the field of modified rubber composite gasket materials and its preparation, can solve the problems of low strength, unsatisfactory sealing effect, poor wear resistance, etc., achieve low cost, improve process performance, Good oil resistance and corrosion resistance effect

Inactive Publication Date: 2014-04-02
马鞍山市中澜橡塑制品有限公司
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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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  • Modified rubber composite sealing gasket material and preparation method thereof

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Embodiment Construction

[0009] The present invention will be described in detail below through specific examples.

[0010] A modified rubber composite gasket material, made of the following raw materials in parts by weight (kg): nitrile rubber 90, lanolin aluminum soap 3, aluminum stearate 1, brominated butyl rubber (BBK-232) 10 , propylene glycol adipate polyester 3, accelerator TMTD1, semi-reinforcing carbon black 24, N550 carbon black 20, precipitated silica 30, antioxidant 10101, magnesium oxide 4, isooctyl dithioglycolate di-n-octyltin 1. Epoxy butyl oleate 6, zinc oxide 2, modified attapulgite 10;

[0011] The modified attapulgite is made of the following raw materials in parts by weight (kg): attapulgite 20, clay 10, 1,6-hexamethylene diisocyanate 3, tripropylene glycol diacrylate 2, silicon carbide powder 9, Polytetrafluoroethylene 3, fluorite 6, N-(β-aminoethyl)-γ-aminopropyltrimethyl(ethyl)oxysilane 2, aluminum hydroxide 8, calcium stearate 1, pepper seed oil 1; The preparation method is ...

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PUM

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Abstract

The invention discloses a modified rubber composite sealing gasket material which is characterized by being prepared from the following raw materials in parts by weight: 90-100 parts of nitrile rubber, 3-4 parts of wool fat aluminum soap, 1-2 parts of aluminum stearate, 10-15 parts of brominated butyl rubber (BBK-232), 3-5 parts of propyleneglycoladipate, 1-2 parts of an accelerant TMTD (Tetramethyl Thiuram Disulfide), 24-28 parts of semi-reinforcing carbon black, 20-24 parts of N550 carbon black, 30-35 parts of white carbon black by a method of precipitation, 1-2 parts of an antioxidant 1010, 4-5 parts of magnesium oxide, 1-2 parts of dimercaptoacetic iso-octyl dioctyl tin, 6-8 parts of epoxy butyl oleate, 2-3 parts of zinc oxide and 10-12 parts of modified attapulgite. According to the material, the modified attapulgite is added to improve the process performance of the sizing material, and an environment-friendly accessory ingredient is used to reduce the toxic and side effects and the environmental pollution. The material disclosed by the invention has good oil resistance and corrosion resistance, and is low in cost, simple in process and wide in application prospect.

Description

technical field [0001] The invention relates to the field of processing rubber composite materials, in particular to a modified rubber composite gasket material 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 th...

Claims

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Application Information

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IPC IPC(8): C08L9/02C08K13/06C08K9/00C08K9/02C08K3/34C08K3/22C08K3/16C08K5/103C08K5/29
Inventor 陈贤锋阚蕾申大伟沈根骆敏申丽霞陈玉娟沈春花沈红梅
Owner 马鞍山市中澜橡塑制品有限公司
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