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Fluorosilicone rubber/chloroprene rubber sealing gasket for high-temperature oil pump and preparation method thereof

A technology of chloroprene rubber and fluorosilicone rubber, which is applied in the field of gaskets and their preparation, can solve the problems of high temperature resistance of gaskets, oil resistance, service life equipment requirements, failure of high temperature oil pumps, cracks, etc. Achieve excellent high temperature resistance, reliable sealing performance and good air tightness

Active Publication Date: 2013-12-11
ANHUI TIANMA PUMP VALVE GROUP
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0002] As the working temperature of high-temperature oil pumps is getting higher and the working medium is becoming more and more diversified, the existing gaskets are not suitable for the use of equipment in terms of high temperature resistance, oil resistance, service life, etc. , prone to expansion, cracking and other phenomena, resulting in the high temperature oil pump not working properly

Method used

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  • Fluorosilicone rubber/chloroprene rubber sealing gasket for high-temperature oil pump and preparation method thereof

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Embodiment Construction

[0012] A fluorosilicone rubber / neoprene rubber gasket for high-temperature oil pumps, made of the following raw materials (kg): fluorosilicone rubber (FS6265) 80, neoprene (S40V) 25, polyvinylidene chloride 12, ortho Diisobutyl phthalate 6, wollastonite powder 8, zinc oxide 1, magnesium oxide 2, nano-alumina 6, dibutyltin dilaurate 0.8, nanometer titanium dioxide 1.5, dicumyl peroxide 1, modified nano Diamond 12, Acetylene Carbon Black 16, Ammonium Polyphosphate 4, Magnesium Hydroxide 5, Accelerator ETU 1.5, Accelerator TETD 2, Antiaging Agent SP-C 3, Antiaging Agent DFC-34 1.

[0013] The preparation method of described modified nano-diamond is as follows:

[0014] a. Weigh a certain amount of nano-diamond, add 4% nano-tantalum carbide, 2% nano-zirconia, 2% nano-magnesium nitride, 6% nano-attapulgite, 3% nano-barite and mix evenly , calcined at 430°C for 3h, cooled to room temperature, then added 1% tetraisopropylbis(dioctylphosphite acyloxy) titanate, 3% isooctyl palmitate,...

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Abstract

The invention discloses a fluorosilicone rubber / chloroprene rubber sealing gasket for a high-temperature oil pump and a preparation method thereof. The sealing gasket is prepared from fluorosilicone rubber, chloroprene rubber, polyvinylidene chloride, diisobutyl phthalate, wollastonite powder, zinc oxide, magnesium oxide, nano aluminum oxide, dibutyltin dilaurate, nano titanium dioxide, dicumyl peroxide, modified nano-diamond, acetylene black, ammonium polyphosphate, magnesium hydroxide and other raw materials. The sealing gasket has excellent high-temperature resistance, can work at the temperature of 250-300 DEG C for a long time, has quite small mechanical strength and quite small volume changes, and has reliable sealing performance; and the sealing gasket has good corrosion resistance, is resistant to various media, has good air impermeability, is suitable for oil, water, gas, chemical media or other mixed media and the like, and realize effective sealing functions on oil, water, air, coal gas and various chemical media.

Description

technical field [0001] The invention relates to a gasket and a preparation method thereof, in particular to a fluorosilicone rubber / chloroprene rubber gasket for a high-temperature oil pump and a preparation method thereof. Background technique [0002] As the working temperature of high-temperature oil pumps is getting higher and the working medium is becoming more and more diversified, the existing gaskets are not suitable for the use of equipment in terms of high temperature resistance, oil resistance, service life, etc. , prone to expansion, cracking and other phenomena, resulting in the high temperature oil pump not working properly. Contents of the invention [0003] The purpose of the present invention is to provide a fluorosilicone rubber / neoprene rubber gasket for high temperature oil pump and its preparation method, which can improve the high temperature resistance and oil resistance of the gasket. [0004] The technical scheme that the present invention adopts ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L83/08C08L11/00C08L27/08C08K13/06C08K9/04C08K3/04C08K5/12C08K3/34C08K3/22C08K3/32
Inventor 王成华周峰王成荣
Owner ANHUI TIANMA PUMP VALVE GROUP
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