Rheology modifier for solvent-based coatings

Details Rheology modifier for solvent-based coatings Rheology modifier for solvent-based coatings

C - Chemistry, Metallurgy

08

F

C08F 8/14 (2006.01) C08F 8/32 (2006.01) C08L 33/02 (2006.01)

Patent

CA 2198135

A rheology modifier for solvent-based coatings which is a polyacrylic acid or a poly(C1-4)-alkyl acrylic acid wherein at least 30 % of the -COOH groups are converted to ester and/or amide groups. Preferred compounds are esters of polyacrylic acid where about 50 % of the -COOH groups are esterified with a C4- 12-alcohol.

L'invention se rapporte à un modificateur rhéologique pour revêtements à base de solvant qui est un acide polyacrylique ou un acide poly(C¿1-4?)-alkyle acrylique dans lequel au moins 30 % des groupes -COOH sont transformés en esters et/ou groupes amides. Les composés préférés sont des esters d'acide polyacrylique dans lesquels environ 50 % des groupes -COOH sont estérifiés par un alcool en C¿4-12?.

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