Patent ID: 8664350

Claim:
A composition comprising a particulate solid, a plastic material and a compound represented by Formulae (1a) or (1b); and salts thereof: R 1 —(Y) p Formula (1a) or R 2 —[(R 1 ) u —(Y) v ] t —R 2 Formula (1b) wherein repeat unit of [(R 1 ) u —(Y) v ] t represent a random copolymer, or an alternating copolymer an interpolymer; R 1 is a lipophilic group containing 6 or more carbon atoms; R 2 is a polymerisation terminating group; p varies from 1 to 500; t is the number of repeat units, in the range of 2 to 10,000; u varies from 1 to 500; v varies from 1 to 500; Y comprises 20% to 100% of Y groups represented by Formula (2), and 0% to 80% of Y groups are represented by the Formulae selected from (3) to (7) wherein each of Formulae selected from (3) to (7) can be present from 0% to 20%: wherein e is 1 or 2 and in the structures of Formulas (2) through (7) represents that a bond at either adjacent methylene group (when e is 1) or bonds at both the methylene group on the left and the methylene group on the right (when e is 2) exist; Z is —[OACO] m —[OCHR 3 CR 4 H] n —R 5 , or —[OACO] m —[O—(CH 2 ) 4 ] n —R 5 ; A is C 1-20 alkylene, C 2-20 alkenylene group, or mixtures thereof; m varies from 0 to 50; n varies from 1 to 50; R 3 and R 4 are independently H or C 1 -C 2 alkyl, with the proviso that at least one of R 3 and R 4 is H; R 5 is an ethylenically unsaturated group; and R 6 , R 7 , R 8 and R 9 are independently hydrocarbyl groups.