abstract |
There is provided composition comprising i) a thermoplastic polymer ii) a compound having the formula n wherein R 1 , R 2 and R 3 are independently selected from an acyl group or a hydrogen atom, wherein at least one of R 1 , R 2 and R 3 is an acyl group (a short acyl group) having from 2 to 6 carbon atoms, wherein at least one of R 1 , R 2 and R 3 is a branched chain acyl group (a long acyl soup) consisting of a saturated chain having 10 to 20 carbon atoms and a hydrophilic branch group. |