Synthesis and Properties of Novel Soluble and ThermallyStable Optically Active Poly(amide-imide)s from N N -(4 4 -Oxydiphthaloyl)-bis-L-phenylalanine Diacid Chlorideand Aromatic Diamines

Synthesis and Properties of Novel Soluble and ThermallyStable Optically Active Poly(amide-imide)s from N N -(4 4 -Oxydiphthaloyl)-bis-L-phenylalanine Diacid Chlorideand Aromatic Diamines
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