Catalyst system for adherent rigid foam

Details Catalyst system for adherent rigid foam Catalyst system for adherent rigid foam

C - Chemistry, Metallurgy

08

G

C08G 18/68 (2006.01) C08G 18/16 (2006.01) C08G 18/32 (2006.01) C08G 18/63 (2006.01) C08G 18/65 (2006.01) C08J 9/08 (2006.01) C08K 5/14 (2006.01)

Patent

CA 2190878

A thermosetting unsaturated polyester-polyurethane hybrid foam resin composition is made without significant blistering by using a 2-component catalyst system - one which initiates at room temperature and one which initiates at a temperature of at least 75°C and has a one-hour half-life temperature of at least 90°C; the composition has a room temperature stability of at least thirty days.

On produit une composition thermodurcissable de résine alvéolaire polyester-polyuréthane insaturée, sans cloquage significatif, en utilisant un système de catalyseur à deux composants, dont un s'active à la température ambiante et l'autre à une température d'au moins 75 ~C et présente une température de demi-vie après une heure d'au moins 90 ~C; ladite composition présente une stabilité à la température ambiante d'au moins trente jours.

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