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。
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.
换成缩合固化。这些化合物不用铂催化剂，因此不会受到以上因素的影响。
Switch to a condensation curing compound. These compounds do not use platinum and thus are not affected by any of the above.
其制备方法是以氯化铵为催化剂，原甲酸三乙酯为解水剂，由无水乙醇和环己酮缩合合成。
Cyclohexanone diethyl acetal was prepared from cyclohexanone with anhydrous ethanol as reactant, ammonium chloride as catalyst, triethyl orthoformate as water scavenger.
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