发明授权
US4482694A High molecular weight aromatic polyesters and processes for their production 失效
高分子量芳族聚酯及其生产工艺

High molecular weight aromatic polyesters and processes for their
production
摘要:
High molecular weight aromatic polyesters having a low content of end groups and a very slight inherent color can be obtained according to the phase interfacial process wherein particular amines and a slight alkali excess are used.
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