公开(公告)号：WO1998022522A1

公开(公告)日：1998-05-28

申请号：PCT/US1997021698

申请日：1997-11-20

Applicant: THE DOW CHEMICAL COMPANY ,  EIFFLER, Juergen ,  KARRASCH, Susanne

Inventor： THE DOW CHEMICAL COMPANY

IPC: C08G64/14

CPC classification number: C08G64/06 ,  C08G64/14 ,  C08G64/1616

Abstract: A polycarbonate containing one or more end-capping groups of formula (II) wherein A is an aliphatic hydrocarbon group or a group containing one or three aromatic or heteroaromatic rings to which the oxygens or carboxyl groups are directly linked, with the proviso that A does not contain a heteroatom outside the aromatic rig(s), n is 0 or 1, n' is 0 or 1, n'' is 0 or 1, provided that n' is 0 when n'' is 1, Y is a hydrocarbon group or a group of formula (VI) wherein E in each occurrence independently is O, R2Si or R2Si-O, R in each occurrence independently is H or C1-6-alkyl, m in each occurrence independently is 0, 1, 2, 3, or 4, p is from 1 to 50 and q is 0 or 1.

Abstract translation: 含有一个或多个式（II）封端基团的聚碳酸酯，其中A是脂族烃基或含有一个或三个芳族或杂芳环的基团，其中氧或羧基直接连接到其上，条件是A 在芳族钻井平台外不含有杂原子，n为0或1，n'为0或1，n“为0或1，条件是当n”为1时n'为0，Y为烃 基团或式（VI）的基团，其中每次出现的每个独立地为O，R 2 Si或R 2 Si-O，R各自独立地为H或C 1-6 - 烷基，m各自独立地为0,1,2， 3或4，p为1至50，q为0或1。