以下为句子列表：
英文: Poly (propylene carbonate) polyols was synthesized by the copolymerization of carbon dioxide with propylene oxide in the presence of double metallic catalyst in loop reactor.
中文: 摘要以二氧化碳3环氧丙烷为原材料，在双金属氰化物催化剂催化下，利用环流反应器合成聚碳酸亚丙酯多元醇。
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英文: Poly (propylene carbonate) polyurethane elastomers were also prepared using the synthesized poly (propylene carbonate) polyols as feedstock.
中文: 本文还利用所得到的聚碳酸亚丙酯树脂制备出性能优良的聚氨酯弹性体。
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