High energy radiation stabilization of semi- crystalline...

Details High energy radiation stabilization of semi- crystalline... High energy radiation stabilization of semi- crystalline...

C - Chemistry, Metallurgy

08

J

204/91.72

C08J 3/28 (2006.01) A61L 2/08 (2006.01) C08K 5/132 (2006.01) C08K 5/3435 (2006.01)

Patent

CA 1248044

HIGH ENERGY RADIATION STABILIZATION OF SEMI-CRYSTALLE POLYMERS ABSTRACT OF INVENTION A radiation stabilized and sterilized, flex- ible article is comprised of a semi-crystalline polymer having a crystalline content of from twenty percent to ninety percent. This polymer has been irradiated with a sterilizing amount of high energy radiation while having incorporated therein radiation stabilizing amounts of a hindered piperidine com- pound and another stabilizing additive sufficient to render the article substantially resistant to radi- olysis while retaining its flexibility. A method for sterilizing and radiation sta- bilizing a semi-crystalline polymer is also part of the present invention.

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