申请人:POLYPLASTICS CO. LTD.
                            
                            
                                公开号:EP0314303A2
                            
                            
                                公开(公告)日:1989-05-03
                            
                            
A polymer such as polyester is modified by reaction with a compound having the formula:
 in which X is halogen, each of Y1 and Y2 is a three- to eight-membered ring, Z is a divalent organic group and n is an integer.  
                            聚酯等聚合物通过与具有以下式子的化合物反应进行改性:
 其中 X 为卤素,Y1 和 Y2 各为三至八元环,Z 为二价有机基团,n 为整数。