摘要 |
The invention concerns the use of a copolymer comprising (a) between 60 and 98 wt % methylmethacrylate, and (b) between 2 and 40 wt % styrene, and optionally (c) between 0 and 20 wt % maleic acid anhydride, as modifying agents for increasing the melt viscosity for partially crystalline, partially aromatic polyesters, with the exception of polybutylene terephthalate containing intensifier fillers.
|