Chemically embossed metallocene polyethylene foam

Details Chemically embossed metallocene polyethylene foam Chemically embossed metallocene polyethylene foam

C - Chemistry, Metallurgy

08

J

C08J 9/10 (2006.01) C08K 5/23 (2006.01) C09D 11/02 (2006.01) C09D 11/10 (2006.01)

Patent

CA 2286968

A textured metallocene polyethylene foam sheet suitable for use in a floor covering is made using a highly co-activated azodicarbonamide package which blows the metallocene polyethylene effectively. The preferred co-activators are zinc oxide and urea. The textured surface of metallocene polyethylene foam is formed by a chemical embossing process which utilizes a liquid triazole having an alkyl moiety as a foam-expansion inhibitor. The triazole is dissolved in a non-polar solvent to form the foam inhibitor. The preferred inhibitor is a hydrocarbon which may be halogenated.

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