MULTI-ISOCYANATE PREPOLYMER

Disclosed is a multi-isocyanate prepolymer formed by reacting diisocyanate and/or diisocyanate trimer with diol and/or triol. Because the prepolymer and the diol/triol have similar molecular weights, additional crosslink agents such as diamine, multi-amine, or combinations thereof are not necessary....

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Bibliographic Details
Main Authors CHEN CHIHIEN, CHANG YIH-HER, TSAI FAN JENG, SHEEN YUUNGING, CHANG KAI-WEN
Format Patent
LanguageEnglish
Published 07.04.2011
Subjects
CHEMISTRY
COMPOSITIONS BASED THEREON
HETEROCYCLIC COMPOUNDS
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
METALLURGY
ORGANIC CHEMISTRY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Summary:Disclosed is a multi-isocyanate prepolymer formed by reacting diisocyanate and/or diisocyanate trimer with diol and/or triol. Because the prepolymer and the diol/triol have similar molecular weights, additional crosslink agents such as diamine, multi-amine, or combinations thereof are not necessary. Furthermore, the prepolymer can be blown to form foam, or directly gelled to form an unbubbled product such as film.
Bibliography:Application Number: US20090650496