| 摘要 |
The present invention relates to polymer compositions comprising (a) a polymer containing hydroxyl alkylene repeating units and (b) an additive selected from compounds of the formulae (1) to (6) wherein Ra1, Ra2, Ra3 and Ra4 can be the same or different and independently represent a group selected from the moieties having formula (A) or formula (B), wherein Rb is selected from hydrogen, C1-6 alkyl, C1-6 alkoxy and —CO—C1-4 alkyl.
|
