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