Fluorine-containing elastomer composition and molded...

C - Chemistry – Metallurgy – 08 – L

Patent

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C08L 27/24 (2006.01) B32B 25/04 (2006.01) C08K 3/26 (2006.01) C08K 5/14 (2006.01)

Patent

CA 2103677

- 54 - ABSTRACT A fluorine-containing elastomer composition con- sists essentially of (A) a peroxide-vulcanizable fluorine- containing elastomer containing iodine and/or bromine which becomes a vulcanizing point, (B) an organic peroxide, (C) a co-vulcanizing agent and (D) a hydrotalcite compound or a calcined product thereof. The composition of the present invention is mark- edly improved in permanent compression set and adhesion after vulcanization while maintaining excellent tensile character- istics, heat resistance and chemical resistance corresponding to those of conventionally known peroxide-vulcanizable fluo- rine-containing elastomer, and therefore is suitable for the uses such as an O-ring, a gasket and an oil seal.

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