| 摘要 |
Mixts. claimed contain: (A) 75-99.5 (pref. 85-97) wt.% high-mol. wt. thermoplastic aromatic polycarbonate with a mol. wt. (Mw) of at least 10000, pref. 20000-300000, contg. carbonate units of formula (I). R<1>, R<2> = H, halo (pref. Cl or Br), 1-8C alkyl, 5-6C cycloalkyl, 6-10C aryl (pref. Ph), or 7-12C aralkyl (pref. phenyl-(1-4C alkyl), esp. pref. benzyl); m = 4-7, pref. 4 or 5; R<3>, R<4> = H or 1-6C alkyl (both must be alkyl on at least one X); X = carbon; and (B) 0.5-25 wt.% polyisobutylene. |
