Polyurethane (PU), onye aha ya bụ polyurethane, bụ ngwakọta polymer.Ọ bụ Otto Bayer na ndị ọzọ mepụtara ya na 1937. Polyurethane nwere ụdị abụọ: ụdị polyester na ụdị polyether.Enwere ike ịme ha ka ọ bụrụ plastik polyurethane (karịsịa ụfụfụ), eriri polyurethane ...
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