Carboxylic acid-modified vinylic polymeric compositions

C - Chemistry – Metallurgy – 08 – F

Patent

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Details

C08F 220/04 (2006.01) C08F 220/64 (2006.01) C08F 257/02 (2006.01) C08F 265/00 (2006.01) C08F 265/04 (2006.01) C08F 289/00 (2006.01) C08F 291/00 (2006.01) C08L 51/00 (2006.01) C09D 11/08 (2006.01) C09D 11/10 (2006.01) C09D 133/02 (2006.01) C09D 151/00 (2006.01)

Patent

CA 2489821

This invention relates to novel carboxylic acid-modified vinylic polymeric compositions and the process for preparing them. In particular, the invention relates to novel carboxylic acid-modified vinylic polymeric compositions which exhibit properties that make them useful as support resins for producing polymer latices which can be employed in the formulation of various water- based coatings and inks, particularly flexographic inks. More particularly, these carboxylic acid-modified vinylic polymeric compositions are produced by the addition polymerization reaction of vinylic monomers in the presence of dimer acids, trimer acids, dimerized rosins, or mixtures thereof.

L'invention concerne des nouvelles compositions polymères vinyliques modifiées par l'acide carboxylique ainsi que leur procédé de préparation. L'invention concerne en particulier des nouvelles compositions polymères vinyliques modifiées par l'acide carboxylique présentant des propriétés qui les rendent utiles comme résines de support pour la production de réseaux polymères pouvant être utilisés dans la préparation de divers produits de finition et d'encres à base aqueuse, et notamment des encres flexographiques. Plus particulièrement, ces compositions polymères vinyliques modifiées par l'acide carboxylique sont produites au moyen d'une réaction de polymérisation par addition de monomères vinyliques en présence d'acides dimères, d'acides trimères, de colophanes dimérisées ou de mélanges correspondants.

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