Transparent polymeric laminate

Stock material or miscellaneous articles – Composite – Of polyamidoester

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Details

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.

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