Heat-resistant and ozone-resistant rubber sealing ring material and preparation method thereof

A rubber sealing ring and ozone-resistant technology, applied in the field of sealing ring materials, can solve the problems of low heat generation, low heat-resistant tensile strength, short service life, etc., and achieve enhanced internal bonding force, good heat resistance, and low price Effect

Active Publication Date: 2013-11-27
ANHUI FANGXING IND GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Rubber has good comprehensive properties, such as high adhesion to metal, mechanical properties, fatigue properties, aging resistance, and low heat generation. Rubber sealing rings are used in various industries, but the current rubber sealing rings often encounter Short service life, heat resistance, oil resistance, ozone resistance, low tensile strength and other bad problems, people's quality requirements for rubber sealing rings are also constantly improving, and there is an urgent need for a high-performance durable rubber sealing ring material

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Example 1: Heat-resistant and ozone-resistant rubber sealing ring material, the weight parts (kg) of the raw materials are: chlorinated butyl rubber CBK-139 105, precipitated silica 22, antioxidant ODA 3.2, accelerator M 0.9 , methyltriethoxysilane 4.2, hydroquinone 1.9, modified bentonite 4.5, chlorinated paraffin 1.0 and dispersant NNO 1.6.

[0018] The preparation method of heat-resistant ozone-resistant rubber sealing ring material comprises the following steps:

[0019] (1) Preparation of modified bentonite:

[0020] a: Weigh 16kg of bentonite, 5kg of iron ore tailings, 3kg of aluminum nitride powder, 4kg of mica powder, and 7kg of loess, mix them evenly, and sinter for 5 hours at a controlled temperature of 600°C, crushing for use;

[0021] b: Add the pulverized mixture in the above step (a) to soak in absolute ethanol solution for 3 hours, remove it, and dry it at 55°C;

[0022] c: Add 2.2kg of aminopropyltriethoxysilane, 5.0kg of terephthalate and 2.0kg of pol...

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Abstract

The invention discloses a heat-resistant and ozone-resistant rubber sealing ring material and a preparation method thereof. The rubber sealing ring material is prepared from the following raw materials: chlorinated butyl rubber CBK-139, white carbon black obtained by a precipitation method, an anti-aging agent ODA (bis(4-octylphenyl)amine), an accelerant M, methyl triethoxysilane, hydroquinone, modified bentonite, chlorcosane and a dispersing agent NNO. The chlorinated butyl rubber CBK-139 used as a main material is low in price and good in heat resistance and flexing resistance; the modified bentonite is added into the raw materials, so that the inner bonding force of a rubber sealing ring is enhanced. As a result, the tensile resistance, high-temperature resistance, metal bonding property, mechanical property and the like of the rubber sealing ring are effectively improved.

Description

technical field [0001] The invention relates to a sealing ring material, in particular to a heat-resistant and ozone-resistant rubber sealing ring material and a preparation method thereof. Background technique [0002] Rubber has good comprehensive properties, such as high adhesion to metal, mechanical properties, fatigue properties, aging resistance, and low heat generation. Rubber sealing rings are used in various industries, but the current rubber sealing rings often encounter Short service life, heat resistance, oil resistance, ozone resistance, low tensile strength and other bad problems, people's quality requirements for rubber sealing rings are also constantly improving, and there is an urgent need for a high-performance durable rubber sealing ring material. Contents of the invention [0003] The object of the present invention is to provide a heat-resistant and ozone-resistant rubber sealing ring material and a preparation method thereof. [0004] In orde...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/28C08K13/06C08K9/06C08K9/04C08K3/34C08K3/36C08K5/5419C08K5/13B29C35/02
Inventor 方作胜
Owner ANHUI FANGXING IND GRP
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