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US 5,668,223 AGranted
Polyurethane
AssigneeKyowa Hakko Kogyo Co., Ltd.
InventorsToshio Tadokoro, Shigeru Murata, Shigeo Hosokawa
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Abstract
The present invention relates to a polyurethane having excellent hydrolysis resistance, weatherability, alkali resistance, etc. Said polyurethane is useful as a material for extrusion molding products such as hoses, tubes, films, sheets, belts, and rolls, a material for injection molding products such as packing materials, mechanical parts, and automobile parts, a material for artificial leathers, and coating materials such as paints, etc.
Claims8
A polyurethane having a polyester polyol in the molecule, said polyester polyol having the structural unit represented by formula (I):
- ##STR2##
Dependencies are inferred from the claim text.