FIBER-REINFORCED RESIN SHEET

PURPOSE:To obtain the title sheet capable of stamping molding, in high efficiency in a short cycle, into molded products with high impact resistance by incorporating a fibrous reinforcing material in a resin base material consisting of a thermoplastic polyurethane prepared by polymerization of a pol...

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Bibliographic Details
Main Authors YAMANA YOSHIHIRO, KOMORI SHINJI, YAMASHITA SADAO
Format Patent
LanguageEnglish
Published 14.02.1992
Subjects
AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
GENERAL PROCESSES OF COMPOUNDING
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
WORKING-UP
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Summary:PURPOSE:To obtain the title sheet capable of stamping molding, in high efficiency in a short cycle, into molded products with high impact resistance by incorporating a fibrous reinforcing material in a resin base material consisting of a thermoplastic polyurethane prepared by polymerization of a polymeric polyol and polyisocyanate. CONSTITUTION:The objective sheet can be obtained by incorporating a thermoplastic polyurethane prepared by polymerization between (A) pref. >=70mol% of at least one kind of polymeric polyol selected from a group of polyester polyols and polycarbonate polyols each containing alkane diol unit, derived from at least one kind of 8-10C alkane diol selected from a group of (methyl- substituted) 1,8-octanediol and 1,9-nonanediol and (B) a polyisocyanate (e.g. 4,4'-diphenylmethane diisocyanate) with (C) a fibrous reinforcing material.
Bibliography:Application Number: JP19900153167