Alternating copolymerization of limonene oxide and carbon dioxide

Alternating copolymerization of limonene oxide and carbon dioxide
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DOI:
10.1021/ja0472580
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发表时间:
2004-09-22
影响因子:
15
通讯作者:
Coates, GW
Coates, GW
中科院分区:
化学1区
文献类型:
--
作者:
Byrne, CM;Allen, SD;Coates, GW

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报道了使用β-二亚氨乙酸锌催化剂进行(R)-或(S)-氧化柠檬烯与CO2的交替共聚合。在100 psi CO2和25 °C下,该催化剂对反式异构体表现出高选择性,并产生区域规则的聚碳酸酯。该共聚物含有>99%的碳酸酯键,窄的分子量分布,和与[环氧化物]/[Zn]比一致的Mn值。
The alternating copolymerization of (R)- or (S)-limonene oxide and CO2using β-diiminate zinc acetate catalysts is reported. At 100 psi CO2and 25 °C, the catalyst exhibits a high selectivity for the trans isomer and produces regioregular polycarbonate. The copolymer contains >99% carbonate linkages, a narrow molecular weight distribution, and anMnvalue consistent with the [epoxide]/[Zn] ratio.