Sealing material for high-pressure medium delivery valves
A sealing material and high-pressure medium technology, which is applied in other chemical processes, chemical instruments and methods, etc., can solve the problems of increasing the number of replacements, affecting the transmission efficiency, and short service life, so as to improve the adhesion performance, good sealing effect, and avoid Effects of security incidents
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Embodiment 1
[0015] (1) Add 15 parts of stearic acid to 60 parts of butyl rubber, mix well, heat to 110-120°C and grind for 20 minutes, then add 10 parts of hydrogenated castor oil and 8 parts of alkylphenol polyoxyethylene ether, and continue grinding for 10 minutes , to obtain material I;
[0016] (2) Add 6 parts of adhesion aid and 4 parts of nano-titanium dioxide to 13 parts of phenolic resin, first heat to 70-80 ° C and mix for 10 minutes, then heat to 100-110 ° C and mix for 15 minutes to obtain material II;
[0017] (3) Add material II, 10 parts of attapulgite, 12 parts of ceramic powder and 8 parts of asbestos powder to material I, after fully mixing, microwave at microwave frequency 2450MHz, power 800W for 15min, then add 6 parts of epoxy soybean oil , 3 parts of polyoxyethylene polyoxypropanol amine ether, 2 parts of barium stearate and 1 part of alumina powder, then put the mixture into the internal mixer for internal mixing for 15 minutes, and finally vulcanize and form it by a...
Embodiment 2
[0020] (1) Add 20 parts of stearic acid to 70 parts of butyl rubber, mix well, heat to 110-120°C and grind for 20 minutes, then add 12 parts of hydrogenated castor oil and 6 parts of alkylphenol polyoxyethylene ether, and continue grinding for 10 minutes , to obtain material I;
[0021] (2) Add 7 parts of adhesion aid and 5 parts of nano-titanium dioxide to 15 parts of phenolic resin, first heat to 70-80 ° C and mix for 10 minutes, then heat to 100-110 ° C and mix for 15 minutes to obtain material II;
[0022] (3) Add material II, 15 parts of attapulgite, 10 parts of ceramic powder and 10 parts of asbestos powder to material I, and after fully mixing, microwave at a microwave frequency of 2450MHz and a power of 800W for 15min, then add 8 parts of epoxy soybean oil , 4 parts of polyoxyethylene polyoxypropanol amine ether, 3 parts of barium stearate and 1 part of aluminum oxide powder, then put the mixture into the internal mixer for internal mixing for 15 minutes, and finally v...
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