STRUCTURAL POLYURETHANE ADHESIVE

A structural polyurethane adhesive contains a polyisocyanate component and a polyol component. The polyisocyanate component contains an isocyanate group-terminated urethane prepolymer that is a reaction product of a first material polyisocyanate containing an aromatic polyisocyanate and a first mate...

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Bibliographic Details
Main Authors YAMAMOTO, Naomi, YAJIMA, Tatsuya, CHIKAMOTO, Takuya
Format Patent
LanguageEnglish
French
German
Published 06.12.2023
Subjects
ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE
ADHESIVES
CHEMISTRY
COMPOSITIONS BASED THEREON
DYES
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL
ORGANIC MACROMOLECULAR COMPOUNDS
PAINTS
POLISHES
THEIR PREPARATION OR CHEMICAL WORKING-UP
USE OF MATERIALS AS ADHESIVES
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Summary:A structural polyurethane adhesive contains a polyisocyanate component and a polyol component. The polyisocyanate component contains an isocyanate group-terminated urethane prepolymer that is a reaction product of a first material polyisocyanate containing an aromatic polyisocyanate and a first material polyol containing a macropolyol. The polyol component contains: a hydroxyl group-terminated urethane prepolymer that is a reaction product of a second material polyisocyanate containing an araliphatic polyisocyanate and/or an alicyclic polyisocyanate and a second material polyol containing a macropolyol; and a low molecular-weight polyol.
Bibliography:Application Number: EP20220746041