SYNTHESIS OF POLYESTER GRAFT POLY(METH)ACRYLATE COPOLYMERS Russian patent published in 2011 - IPC C08L67/02 C08L33/10 C09D133/10 C09D167/02 C09J133/10 C09J167/02 

FIELD: chemistry.

SUBSTANCE: composition contains the following in wt %: 5-80 polyester A copolymer obtained as a result of condensation with itaconic acid; 5-80 (meth)acrylate homopolymer and/or copolymer B consisting of more than 50 wt % monomers of formula I where R¹ denotes hydrogen or methyl and R² denotes an alkyl residue, an aliphatic or aromatic residue with 1-5 carbon atoms and 10-80 graft copolymer from type A polymer and type B polymer (polymer AB). Polyester A has a straight or branched structure with OH number from 5 to 150 mg KOH/g, and acid number less than 10 mg KOH/g, and number-average molecular weight 700-25000 g/mol. Content of itaconic links in the polyester copolymer per total content of polycarboxylic acids ranges from 0.1 mol % to 20 mol %.

EFFECT: invention enables to obtain well compatible polymer structures which do not contain styrene or derivatives thereof, based on a polyester graft polymethacrylate copolymer.

17 cl, 3 tbl, 9 ex