C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/2002
C08L 53/02 (2006.01) C08L 23/16 (2006.01) C08L 23/22 (2006.01) C08L 23/32 (2006.01) C09D 153/02 (2006.01)
Patent
CA 1298007
Abstract of the Disclosure A roofing composition comprising a blend of a thermoplastic elastomer containing at least two polymer blocks wherein one of said polymer blocks is a crystalline polymer block and one of said polymer blocks is an amorphous polymer block, and a vulcanizable elastomer selected from the group consisting of EPDM, butyl, neutralized sulfonated EPDM, neutralized sulfonated butyl and mixtures thereof. The roofing compositions have particular application as roofing membranes (i.e. roof sheeting) or roof flashing materials. FJT:5176B/t
562273
Firestone Tire & Rubber Company (the)
Swabey Ogilvy Renault
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