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High-toughness low-temperature-resistant modified rubber sealing member and preparation method thereof

A technology of modified rubber and low temperature resistance, which is applied in the field of rubber seals and can solve the problems of unsatisfactory toughness and low temperature resistance

Inactive Publication Date: 2017-05-31
安徽亚兰密封件股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The toughness and low temperature resistance of rubber seals in the prior art cannot meet the needs of actual use, so it is urgent to design a modified rubber seal with high toughness and low temperature resistance to solve the problems in the prior art

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025]The present invention proposes a high toughness and low temperature resistant modified rubber seal, its raw materials include by weight: 40 parts of chlorosulfonated polyethylene rubber, 20 parts of modified copolymer, 4 parts of nitrile rubber, 6 parts of fluorine rubber, 3.5 parts of vinylidene fluoride hexafluoropropylene rubber, 4.5 parts of polyvinyl chloride, 3.5 parts of carbon black N550, 4.5 parts of dibutyl phthalate, 3.5 parts of dibutyl sebacate, 3.5 parts of anti-aging agent RD, modified 6 parts of permanent glass fiber, 6 parts of magnesium oxide, 8.5 parts of zinc oxide, 4.5 parts of silane coupling agent KH-570, 4.5 parts of bisphenol AF, 3.5 parts of stearic acid, and 5 parts of vulcanization accelerator DCP.

[0026] The preparation method of modified copolymer comprises the steps:

[0027] S1, mix 10 parts by weight of α-hydroxybutyl bromoisobutyrate, 3.5 parts of butyl acrylate, toluene, copper bromide and 4.5 parts of pentamethyldiethylenetriamine, f...

Embodiment 2

[0035] A kind of high-toughness and low-temperature resistant modified rubber seal proposed by the present invention, its raw material comprises by weight: 35 parts of chlorosulfonated polyethylene rubber, 25 parts of modified copolymer, 2 parts of nitrile rubber, 8 parts of fluorine rubber, 2 parts of vinylidene fluoride hexafluoropropylene rubber, 6 parts of polyvinyl chloride, 2 parts of carbon black N5502, 6 parts of dibutyl phthalate, 2 parts of dibutyl sebacate, 4 parts of antioxidant RD, 4 parts of modified glass fiber , 8 parts of magnesium oxide, 8 parts of zinc oxide, 6 parts of silane coupling agent KH-570, 3 parts of bisphenol AF, 5 parts of stearic acid, and 4 parts of vulcanization accelerator DCP.

[0036] The preparation method of modified copolymer comprises the steps:

[0037] S1, mix 5 parts of α-hydroxybutyl bromoisobutyrate, 5 parts of butyl acrylate, toluene, copper bromide and 3 parts of pentamethyldiethylenetriamine in parts by weight, feed nitrogen, an...

Embodiment 3

[0045] A kind of high-toughness and low-temperature-resistant modified rubber seal proposed by the present invention, its raw materials include by weight: 45 parts of chlorosulfonated polyethylene rubber, 15 parts of modified copolymer, 6 parts of nitrile rubber, 4 parts of fluorine rubber, 5 parts of vinylidene fluoride hexafluoropropylene rubber, 3 parts of polyvinyl chloride, 5 parts of carbon black N550, 3 parts of dibutyl phthalate, 5 parts of dibutyl sebacate, 3 parts of antioxidant RD, modified glass 8 parts of fiber, 4 parts of magnesium oxide, 9 parts of zinc oxide, 3 parts of silane coupling agent KH-570, 6 parts of bisphenol AF, 2 parts of stearic acid, 6 parts of vulcanization accelerator DCP.

[0046] The preparation method of modified copolymer comprises the steps:

[0047] S1. Mix 15 parts of α-bromoisobutyrate hydroxybutyl, 2 parts of butyl acrylate, toluene, copper bromide and 6 parts of pentamethyldiethylenetriamine in parts by weight, feed nitrogen, and heat...

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PUM

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Abstract

The invention discloses a high-toughness low-temperature-resistant modified rubber sealing member, prepared from the following raw materials in parts by weight: 35-45 parts of chlorosulfonated polyethylene rubber, 15-25 parts of a modified copolymer, 2-6 parts of butadiene-acrylonitrile rubber, 4-8 parts of fluororubber, 2-5 parts of vinylidene fluoride hexafluoropropylene rubber, 3-6 parts of polyvinyl chloride, 2-5 parts of carbon black N550, 3-6 parts of dibutyl phthalate, 2-5 parts of dibutyl sebacate, 3-4 parts of an anti-aging agent RD, 4-8 parts of modified glass fibers, 4-8 parts of magnesium oxide, 8-9 parts of zinc oxide, 3-6 parts of a silane coupling agent KH-570, 3-6 parts of bisphenol AF, 2-5 parts of stearic acid, and 4-6 parts of a vulcanization accelerator DCP. The invention also provides a preparation method of the high-toughness low-temperature-resistant modified rubber sealing member. The rubber sealing member prepared by the method provided by the invention has excellent toughness and low temperature resistance.

Description

technical field [0001] The invention relates to the field of rubber seals, in particular to a modified rubber seal with high toughness and low temperature resistance and a preparation method thereof. Background technique [0002] Rubber sealing products are important basic components of all kinds of machinery, and almost all industrial sectors cannot do without it. The quality of rubber sealing components is directly related to the service life and operational reliability of the machine. If the quality of the seals is poor, it will cause loss and trouble if it is light, and it will cause serious accidents if it is serious. Rubber seals have high requirements on their toughness during use, because when the rubber seals are working on mechanical components, due to the large torque of the mechanical components on the rubber seals during work, if the rubber seals have poor toughness, it will directly cause The damage of mechanical components is avoided, and some mechanical com...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/34C08L33/08C08L75/04C08L33/12C08L9/02C08L27/12C08L27/16C08L27/06C08K13/06C08K9/10C08K9/06C08K7/14C08K3/36C08K3/34C08K5/12C08K5/11C08K3/22C08K5/09
CPCC08L23/34C08K2201/011C08L2205/035C08L2207/53C08L33/08C08L75/04C08L33/12C08L9/02C08L27/12C08L27/16C08L27/06C08K13/06C08K9/10C08K9/06C08K7/14C08K3/36C08K3/346C08K5/12C08K5/11C08K2003/222C08K2003/2296C08K5/09
Inventor 黄炳喜杨浩
Owner 安徽亚兰密封件股份有限公司
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