申请人:Naiini Ahmad A.
                            
                            
                                公开号:US20090111050A1
                            
                            
                                公开(公告)日:2009-04-30
                            
                            This disclosure relates to compositions that include (a) at least one polybenzoxazole precursor polymer; and (b) at least one silicon-containing polymer comprising a moiety of Structure (V):
in which R
5
, R
7
, Ar
5
, m
1
, and m
2
are defined in the specification.