Mixed tri-aryl (phenyl and alkylphenyl) phosphate esters

Compositions – Compositions containing a single chemical reactant or plural... – Organic reactant

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252 785R, 260 308R, 260966, C07F 912

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active

041394879

ABSTRACT:
A composition consisting essentially of liquid mixed phenyl alkylphenyl phosphate having the average general formula (RO).sub.3 PO wherein from 30 to 85 mole-percent of the "R" group are secondary alkylphenyl groups, wherein the secondary alkyl group has from 3-4 carbon atoms, and the remaining "R" groups are phenyl groups. Flexible resin polyvinyl chloride polymers and copolymers incorporating said composition as the plasticizer therefor have improved cold flex characteristics.

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