| 摘要 |
IMPROVED POLYOLEFIN PLASTIC COMPOSITIONS A polyolefin plastic composition having improved transparency is provided which comprises a polymer selected from aliphatic polyolefins and copolymers containing at least one aliphatic olefin and one or more ethylenically unsaturated aliphatic comonomers, and a di-acetal of sorbitol in an amount sufficient to improve transparency; said di-acetal of sorbitol having the structure: wherein R, R1, R2, R3 and R4 are selected from hydrogen, lower alkyl, hydroxy, methoxy, mono- and di-alkylamino, amino, nitro and halogen, with the proviso that at least one of R1, R2, R3 and R4 is chlorine or bromine. |
