Resins, low temperature formulations, and coatings derived...

Details Resins, low temperature formulations, and coatings derived... Resins, low temperature formulations, and coatings derived...

C - Chemistry, Metallurgy

08

G

C08G 63/676 (2006.01) C08G 18/10 (2006.01) C08K 3/00 (2006.01) C08K 5/00 (2006.01) C09D 167/08 (2006.01) C09D 175/04 (2006.01) C09D 177/08 (2006.01)

Patent

CA 2600717

A series of resins were synthesized using a range of bio-based materials to control the molecular architecture, and therefore the properties, of the inventive resins. The utility of these resins was demonstrated in the formulation of powder coatings, such as .beta.-hydroxy amide crosslinked and hybrid types. Generally, the bio-based resins flowed out on heating faster than conventional petrochemically-based resins, allowing the use of lower temperatures in the curing oven than is typically possible and a more active catalyst system, especially in the carboxylic acid-epoxy crosslinked hybrid coatings formulations.

L'invention concerne une série de résines qui sont synthétisées au moyen d'une gamme de matières d'origine biologique pour réguler l'architecture moléculaire et, par conséquent, les propriétés desdites résines. L'utilité de ces résines est apparue dans la formulation de revêtements pulvérulents, par exemple .beta.-hydroxy amide réticulé et types hybrides. D'ordinaire, les résines d'origine biologique s'écoulent lors du chauffage plus rapidement que les résines d'origine pétrochimique classiques, ce qui permet d'utiliser des températures inférieures dans l'étuve à durcir qu'il n'est d'ordinaire possible et un système catalyseur plus actif, notamment dans les formulations de revêtements hybrides réticulés à base d'acide époxyde carboxylique.

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