| abstract |
PURPOSE: Polyesterimide polymers of formula I [k + 1 + m = 1 ; k : 1 is 10 : 0 - 0 : 10;(k + 1) : m = 1 : 9 - 9 : 1; n = 8 or more; A, B are independently difunctional aromatic hydrocarbyl residue of formula II - V (Y is alkylene of 5 or less carbon atoms, or haloalkylene, -SO 2 -,-SO-,-S-,-CO-, -O-;R is independently 8 or less C alkyl, halogenated alkyl, halogen; p, q are independently 0-4]. n COPYRIGHT: (C)1978,JPO&Japio |