This invention relates to substantially transparent solid solution polymer blends having improved hydrolytic stability, and flexibility which comprise (a) a linear aromatic polyester containing as monomer units the residues of a dicarboxylic acid and a bisphenol, and (b) a linear aromatic polysulfonate containing as monomer units the residues of a bisphenol and a disulfonic acid. The polyblends are useful in preparation of films and molded articles.
本发明涉及具有更好的
水解稳定性和柔韧性的基本透明的固溶聚合物混合物,它包括 (a) 作为单体单元含有二
羧酸和双
酚残留物的线性芳香族聚酯,以及 (b) 作为单体单元含有双
酚和二
磺酸残留物的线性芳香族聚
磺酸盐。这种混合物可用于制备薄膜和模塑制品。