Patent ID: 7629413
Filing Date: 2009-12-08
Classification: C08K,C08L,Y10T

Abstract:
1. A plastisol comprising polyvinyl chloride and from 20 parts to 200 parts by weight of plasticizer per hundred parts by weight of polyvinyl chloride, said plasticiser comprising a primary plasticizer selected from dialkyl esters of phthalic anhydrides with monohydric alcohols having from 4 to 13 carbon atoms, dibenzoate esters, alkyl esters of aliphatic dicarboxylic acid with monohydric alcohols having 3 to 10 carbon atoms, esters of cyclohexane dicarboxylic acids, and mixtures thereof, and a secondary plasticiser including at least one C 10 alkyl benzoate with the proviso that said C 10 alkyl benzoate is characterized such that the C 10 alcohol obtained by hydrolysis of said benzoate contains less than 30 wt % 2-propyl heptanol wherein said secondary plasticizer further comprises C 9 and C 11 alkyl benzoate but no more than 10 wt % of said C 9 alkyl benzoate.