| 摘要 |
K-16880/ Linear polyether resins Linear polyether resins containing 100 to 1 mol % of the repeating structural unit of formula I (I) and 99 to 0 mol % of the repeating structural unit of formula II (II) wherein A is a linear unsubstituted or methyl-substitutedmethyl-substitutodalkyl ene group containing 1 to 100 carbon atoms in the linear alkylene chain, X denotes bridging groups as defined in claim 1,and Y is an aromatic radical of a divalent phenol as defined in claim 1, are thermoplastics with high glass transition temperatures and excellent marhanical strength properties. |
