Polylactic acid (PLA) is a linear aliphatic polyester produced by poly-condensation of naturally produced lactic acid or by the catalytic ring opening of the lactide group.
聚乳酸(PLA)是一种线性脂肪族聚酯的聚乳酸中自然产生的或由丙交酯开环缩合催化剂组产生。
A group of polyamides formed by the condensation between an amino group of one molecule and a carboxylic acid group of another.
一类由一个分子的氨基与另一个分子的羧酸基之间,缩合而生成的聚酰胺。
It was deduced from FTIR that the condensation reaction was caused by a reaction of ketone group with anhydride.
根据FTIR测定结果,推测在反应中可能发生酮与酸酐的缩合反应。
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