Process for improving film of poly (p-methyl-styrene) and...

Details Process for improving film of poly (p-methyl-styrene) and... Process for improving film of poly (p-methyl-styrene) and...

C - Chemistry, Metallurgy

08

J

204/91.58, 204/9

C08J 3/28 (2006.01) B29C 71/04 (2006.01) B29C 35/08 (2006.01)

Patent

CA 1132094

ABSTRACT A method for improving properties of thermoplastic films by irradiating films of poly(p-methylstyrene) of p-methylstyrene copolymers with acrylonitrile, or of high impact poly (p-methylstyrene) with ionizing radiation at a dosage from 30 to 70 megarads (preferably from 40 to 60 megarads). The irradiated films are heat resistant and have increased tensile properties at elevated temperatures.

346031

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