In-situ method of generating through ring-closing...

Details In-situ method of generating through ring-closing... In-situ method of generating through ring-closing...

C - Chemistry, Metallurgy

08

K

C08K 5/092 (2006.01) C08K 5/17 (2006.01) C08K 5/20 (2006.01) C08L 43/04 (2006.01) C09D 143/04 (2006.01)

Patent

CA 2692762

Compositions comprising a polymer resin comprising at least one copolymer with hydrolysable groups, an amino acid or diearboxylic acid water-generating organic compound, and a catalyst that comprises a metal atom and at least two ligands taken from the set alkyloxy and earhexylate are used to form articles that moisture-cure through in-situ generation of water via ring-closing dehydration reactions.

L'invention concerne des compositions qui comportent une résine polymère comportant au moins un copolymère avec des groupes hydrolysables, un acide aminé ou acide dicarboxylique, un composé organique générant de l'eau et un catalyseur qui comporte un atome métallique et au moins deux ligands choisis dans le groupe alkyloxy et éthacrylate. Les compositions sont utilisées pour former des articles qui durcissent par humidité par la génération in situ d'eau dans des réactions de déshydratation à fermeture de cycle.

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