C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 18/08 (2006.01) C08G 18/62 (2006.01) C08G 18/76 (2006.01) C08G 18/80 (2006.01) C09D 175/04 (2006.01)
Patent
CA 2282384
Provided is a low volatile organic content (VOC), isocyanate based curable oil- in-water emulsion of a polyisocyanate cross-linker and a surface active isocyanate reactive material in an aqueous medium, and a process for the preparation thereof. Also provided is a water-in-oil intermediate product to which an aqueous medium can be added to produce the curable oil-in-water emulsions. Such curable emulsions are particularly suited for use in coatings applications.
La présente invention concerne une émulsion aqueuse durcissable à base d'isocyanate, à faible teneur en composés organiques volatils (VOC), constituée d'un agent de réticulation de polyisocyanate et d'une matière tensioactive réagissant à l'isocyanate dans un milieu aqueux et un procédé de préparation de celle-ci. La présente invention concerne également un produit intermédiaire huileux auquel on peut ajouter un milieu aqueux de manière à produire lesdites émulsions aqueuses durcissables. Les dites émulsions durcissables conviennent particulièrement dans des applications de revêtement.
Cytec Technology Corp.
Smart & Biggar
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