Patent ID: 6977277

Claim:
A PVC resin composition comprising a polyvinyl chloride and a liquid plasticizer selected from the group consisting of: i) a non-linear, paraffin-soluble olefin-CO copolymer; ii) a non-linear olefin-CO copolymer derived from non-pure feeds; iii) an olefin-CO—X terpolymer derived from non-pure feeds; and iv) a non-linear olefin-CO—X terpolymer and mixtures thereof, wherein X is selected from the group consisting of free radically polymerizable vinyl monomers and mixtures thereof, wherein the liquid plasticizer has about 65.5 or more branches per 1,000 carbon atoms, and wherein a non-pure feed comprises a first feed comprising olefins and a second feed comprising carbon monoxide and wherein when said polymer is (ii) and (iii) the amount of carbon monoxide and olefin combined in said non-pure feed is less than or equal to 95% and wherein said olefins in said first feed comprising olefins are selected from the group consisting of linear and branched C 2 to C 30 olefins, diolefins and mixtures thereof, and wherein said PVC resin composition has a glass transition temperature (T g ) at least 15% lower than the T g of said polyvinyl chloride.