A curable rubber composition comprising a curable organopolysiloxane or perfluoropolyether group-containing organosilicon compound, a curing agent, and a silica filler having a mean particle size of 0.001-10 m is cured into a cured rubber. For improving compression set, the cured rubber is post treated with a hydrolyzable aminosilane or amidosilane having a Si—N bond in vapor form.

 
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< Process for producing polyolefins

< Production of quaternary ammonium salt of hydroxycarboxylic acid and quaternary ammonium salt of inorganic acid

> Cellulose acetate and dope containing the same

> Aromatic liquid-crystalline polyester

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