C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
94/13, 117/28
C08G 18/42 (2006.01) B32B 27/40 (2006.01) C08L 75/04 (2006.01) E01F 9/04 (2006.01)
Patent
CA 1311160
Abstract of the Disclosure Pavement-marking sheet materials of increased durability comprise a tough, abrasion-resistant top layer, preferably a polyurethane film having substantial flexibility but including trifunctional hydroxyl- terminated components of short molecular weight so as to obtain a significant degree of crosslinking, and a conformable underlying layer. A preferred underlying layer comprises unvulcanized elastomer precursor.
510769
Minnesota Mining And Manufacturing Company
Smart & Biggar
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