申请人:General Electric Company
公开号:US04841015A1
公开(公告)日:1989-06-20
Polycarbonate resins are chain-terminated with a group selected from those of the formula: ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are each independently selected from the group consisting of hydrogen, halogen, hydrocarbyl of from 1 to 12 carbon atoms, inclusive; and halogen-substituted hydrocarbyl of 1 to 12 carbon atoms, inclusive; R.sub.1 is attached to a ring carbon atom at one of the 4, 5 or 6 positions; and R.sub.2 and R.sub.3 when taken together represent the divalent moiety of formula: --CH.dbd.CH.sub.2 --CH.sub.2 .dbd.CH-- which effectively creates an additional fused aromatic ring structure. The resins exhibit a low plate-out when processed thermally.
聚碳酸酯树脂以来自以下公式的群组终止链:##STR1## 其中R.sub.1,R.sub.2和R.sub.3各自独立地选择自1到12个碳原子的氢,卤素,烃基,包括卤素取代的1到12个碳原子的氢化烃基; R.sub.1连接到4,5或6位置之一的环碳原子;当R.sub.2和R.sub.3一起取时,它们代表公式的二价基团:--CH.dbd.CH.sub.2 --CH.sub.2 .dbd.CH--,这有效地创建了另一个融合的芳香环结构。这些树脂在热处理时表现出低的板层现象。