Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1990-07-11
1992-07-07
Schwartz, Pamela R.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156324, 428143, 428336, 428412, 4284231, 428500, B32B 516
Patent
active
051279738
ABSTRACT:
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.
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Ethen John L.
Jordan Stanley J.
Sengupta Asok
Griswold Gary L.
Kirn Walter N.
Minnesota Mining and Manufacturing Company
Schwartz Pamela R.
Tamte Roger R.
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