aduto de poliformal terminado com amina, aduto de politioéter terminado com amina, composição, abertura vedada, e método para vedar uma abertura

aduto de poliformal terminado com amina, aduto de politioéter terminado com amina, composição, abertura vedada, e método para vedar uma abertura

Disclosed are flexible polyamines, flexible amine-terminated polyformal adducts, flexible-amine-terminated polythioether adducts, compositions comprising flexible polyamines and isocyanate-terminated prepolymers, and compositions comprising flexible amine-terminated adducts and isocyanate-terminated...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: RENHE LIN, CHANDRA B. RAO, JUEXIAO CAI, MARFI ITO, STEPHEN J. HOBBS
Format: Patent
Sprache:por
Schlagworte:
CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:Disclosed are flexible polyamines, flexible amine-terminated polyformal adducts, flexible-amine-terminated polythioether adducts, compositions comprising flexible polyamines and isocyanate-terminated prepolymers, and compositions comprising flexible amine-terminated adducts and isocyanate-terminated prepolymers. Uses of the compositions as sealants, and particularly as aerospace sealants, are also disclosed.