Stock material or miscellaneous articles – Composite – Of polyamidoester
Patent
1989-04-10
1990-06-26
Buffalow, Edith
Stock material or miscellaneous articles
Composite
Of polyamidoester
4284231, 4284244, 4284255, 428437, B32B 2700
Patent
active
049371479
ABSTRACT:
A transparent polymeric laminate of plasticized polyvinyl butyral sheet chemically linked by urethane groups to a thermoset polyurethane layer formed as the reaction product of a cross-linkable mixture containing diisocyanate and polyether polyol containing primary or secondary hydroxyl groups and having a molecular weight between about 250 to about 8000.
Cartier George E.
Piretti Carl P.
Buffalow Edith
Farrington William J.
Monsanto Company
Murphy Michael J.
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