Patent ID: 9388293
Filing Date: 2016-07-12
CPC Classification: C08K

Claim Text:
1. A free-flowing powder composition comprising PVC resin particles, a plasticizer selected from the group consisting of di-butyl terephthalate, di-isobutyl terephthalate and mixtures thereof, and at least one additional plasticizer selected from the group consisting of di-2-ethylhexyl terephthalate, triethyl citrate, acetyl triethyl citrate, tri-n-butyl citrate, acetytri-n-butyl citrate, acetyltri-n-hexyl citrate, n-butyl tri-n-hexyl citrate, diisononyl phthalate, diisononyl cyclohexane 1,2-dicarboxylate, dioctyl terephthalate, tri-2-ethylhexyl trimellitate, di-2-propylheptyl phthalate, diisodecyl phthalate, diisoundecyl phthalate, ditridecyl phthalate, triisononyl trimellitate, and di-2-ethylhexyl adipate; wherein the plasticizers are present in the composition in an amount from about 20 to 120 parts plasticizer per 100 parts PVC resin, and wherein at least 10 weight percent of the total plasticizer is di-butyl terephthalate, di-isobutyl terephthalate or a mixture thereof.