Rheology modifier for solvent-based coatings

摘要

PCT No. PCT/GB95/02433 Sec. 371 Date Apr. 4, 1997 Sec. 102(e) Date Apr. 4, 1997 PCT Filed Oct. 16, 1995 PCT Pub. No. WO96/14344 PCT Pub. Date May 17, 1996A 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.