Structural polyurethane adhesive

The structural polyurethane adhesive contains a polyisocyanate component and a polyol component. The polyisocyanate component includes: a first isocyanate component including a first isocyanate group-terminated urethane prepolymer, and a second isocyanate component including a second isocyanate grou...

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Bibliographic Details
Main Authors YAMAMOTO, NAOMI, CHIKAMOTO TAKUYA, YAJIMA TATSUYA
Format Patent
LanguageChinese
English
Published 26.09.2023
Subjects
ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE
ADHESIVES
CHEMISTRY
DYES
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL
PAINTS
POLISHES
USE OF MATERIALS AS ADHESIVES
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Summary:The structural polyurethane adhesive contains a polyisocyanate component and a polyol component. The polyisocyanate component includes: a first isocyanate component including a first isocyanate group-terminated urethane prepolymer, and a second isocyanate component including a second isocyanate group-terminated urethane prepolymer; the first isocyanate group-terminated urethane prepolymer is a reaction product of a first raw material polyisocyanate comprising an aromatic polyisocyanate and a first raw material polyol comprising a macromolecular polyol; and a second isocyanate component that contains a second isocyanate group-terminated urethane prepolymer, and that contains a second isocyanate group-terminated urethane prepolymer. The second isocyanate group-terminated urethane prepolymer is a reaction product of a second raw material polyisocyanate consisting of aromatic aliphatic polyisocyanate and/or aliphatic polyisocyanate and a second raw material polyol comprising polyether polyol with a number-average
Bibliography:Application Number: CN202280012364