C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/1608, 117/17
C08L 95/00 (2006.01) C09D 195/00 (2006.01) C09J 195/00 (2006.01) D06N 5/00 (2006.01)
Patent
CA 2002090
An adhesive composition for roofing such as shingles is disclosed which is composed of a hard asphaltic bitumen fraction having a penetration number at 77°F of from 0 to 30 dmm and a softening point of from about 150° to 220°F and an elastomeric composition composed of a thermoplastic elastomer and a plasticizer wherein the overall adhesive composition has a penetration number of from 30 to 100 dmm at 77°F and a softening point of 140 to 200°F. The inventive composition is self-sealing and exhibits excellent squash resistance, low temperature properties and resistance to blowoff. The composition can be used with shingles as well as other types of roofing coverings.
Bettoli Steven C.
Bondoc Alfredo A.
Chich Adem
Grube Louis L.
Lalwani Steven S.
Building Materials Investment Corporation
Gaf Building Materials Corporation
Smart & Biggar
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