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High heat-resisting rubber part for mineral fuel oil

A high heat-resistance, fuel-oil technology, applied in the rubber field, can solve the problems of fuel seepage, volume expansion, leakage, etc.

Inactive Publication Date: 2013-04-10
XIAN ZHITAI RUBBER & PLASTIC IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The volume expansion of the existing rubber is obvious after being soaked in mineral oil for a long time, and even fuel oil seeps out to cause leakage

Method used

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  • High heat-resisting rubber part for mineral fuel oil
  • High heat-resisting rubber part for mineral fuel oil

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] The concrete production steps of embodiment 1 are as follows:

[0022] Compound production

[0023] (1) Weigh various ingredients according to the specific formula ratio. Its rubber raw material components and proportions are: 20 parts of 40-type chlorosulfonated rubber, 60 parts of 40-type nitrile rubber, 20 parts of 320-type neoprene rubber, sulfur 1 part, 7 parts of zinc oxide, accelerator TBBS (also known as NS, English name: N-Tertiarybutyl-2-benzothiazole-sulfenamide, Chinese name: N-tertiarybutyl-2-benzothiazole sulfenamide, molecular formula: C11H14N2S2 ) 1 part, anti-aging agent BLE (Chinese name: acetone and diphenylamine high-temperature condensation product 4-aminobiphenyl, molecular formula: C15H15N) 2 parts, stearic acid 1 part, spray carbon black 110 parts, o-dibutyl ester 25 parts, Accelerator DM (Chinese name: 2,2'-dithiodibenzothiazole, molecular formula: C14H8N2S4) 1 part, anti-aging agent D (Chinese name: N-phenyl-2-naphthylamine, molecular formula:...

Embodiment 2

[0032] The production process of embodiment 2 is the same as that of embodiment 1, and the difference is that the proportion of rubber material components is different. The rubber material components of embodiment 2 are calculated as follows by component: 30 parts of 40 type chlorosulfonated rubber, 40 type nitrile rubber 70 parts, 30 parts of 320 type neoprene rubber, 1.1 parts of sulfur, 7.5 parts of zinc oxide, accelerator TBBS (also known as NS, English name: N-Tertiarybutyl-2-benzothiazole-sulfenamide, Chinese name: N-tertiarybutyl- 2-Benzenethiazole sulfenamide, molecular formula: C11H14N2S2) 1.1 parts, anti-aging agent BLE (Chinese name: acetone and diphenylamine high-temperature condensation product 4-aminobiphenyl, molecular formula: C15H15N) 2.3 parts, stearic acid 1.1 parts, spray 115 parts of carbon black, 30 parts of o-dibutyl ester, accelerator DM (Chinese name: 2,2'-dithiodibenzothiazole, molecular formula: C14H8N2S4) 2 parts, anti-aging agent D (Chinese name: N-...

Embodiment 3

[0033] The production process of embodiment 3 is the same as that of embodiment 1, and the difference is that the proportion of rubber material components is different. The rubber material components of embodiment 3 are calculated as follows by component: 40 parts of 40 type chlorosulfonated rubber, 40 parts of nitrile rubber 80 parts, 40 parts of 320 type neoprene rubber, 1.2 parts of sulfur, 8 parts of zinc oxide, accelerator TBBS (also known as NS, English name: N-Tertiarybutyl-2-benzothiazole-sulfenamide, Chinese name: N-tertiarybutyl-2-benzothiazole-sulfenamide, 2-benzothiazole sulfenamide, molecular formula: C11H14N2S2) 1.2 parts, anti-aging agent BLE (Chinese name: acetone and diphenylamine high-temperature condensation product 4-aminobiphenyl, molecular formula: C15H15N) 3 parts, stearic acid 1.2 parts, spray 120 parts of carbon black, 35 parts of o-dibutyl ester, accelerator DM (Chinese name: 2,2'-dithiodibenzothiazole, molecular formula: C14H8N2S4) 3 parts, antioxidan...

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Abstract

The invention relates to a high heat-resisting rubber part for mineral fuel oil. The high heat-resisting rubber part comprises the components in parts by weight: 20-40 parts of 40 type chlorosulfonated rubber, 60-80 parts of 40 type nitrile rubber, 20-40 parts of 320 type chloroprene rubber, 1-1.2 parts of sulphur, 7-8 parts of zinc oxide, 1-1.2 parts of an accelerant TBBS (also called NS, English name: N-Tertiarybutyl-2-benzothiazole-sulfenamide, Chinese name: N-Tertiarybutyl-2-benzothiazole-sulfenamide, and molecular formula: C11N14N2S2), 2-3 parts of an antiager BLE (Chinese name: acetone and diphenylamine pyrocondensed compound 4-aminobiphenyl, and molecular formula: C15H15N), 1-1.2 parts of stearic acid, 110-120 parts of atomized carbon black, 25-35 parts of p-dibutyl ester, 1-3 parts of an accelerant DM (Chinese name: 2,2'-dithiodibenzothiazole, and molecular formula: C14H8N2S4), and 2-3 parts of an antiager D (Chinese name: N-benzyl-2-naphthylamine, and molecular formula: C16H13N. According to the high heat-resisting rubber part, the proportion of polar materials in the rubber is increased, and 40 type nitrile rubber and chlorosulfonated rubber are collaboratively applied, so that the hot fuel resistance of the rubber product is extremely improved.

Description

technical field [0001] The invention relates to the field of rubber, in particular to high heat-resistant rubber parts for mineral fuel oil. Background technique [0002] Mineral fuel oil is the main product after petroleum cracking, basically gasoline, kerosene, and motor oil lamps. The volume expansion of the existing rubber after soaking in mineral oil for a long time is obvious, and even fuel oil seeps out to cause leakage. Contents of the invention [0003] The object of the present invention is to provide an anti-ozone rubber part for electrical connectors, improve the mineral oil resistance of rubber parts for internal combustion engines, and reduce volume expansion in long-term use. [0004] The technical scheme of the present invention is: high heat-resistant rubber parts for mineral fuel oil, characterized in that its rubber raw material components and proportions are selected as follows: 20-40 parts of 40-type chlorosulfonated rubber, 60-40 parts of 40-type nit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L9/02C08L11/00C08L15/02C08K13/02C08K3/06C08K3/22C08K5/47C08K3/04
Inventor 党保军
Owner XIAN ZHITAI RUBBER & PLASTIC IND