Zn-Cr double metal cyanide catalysts synthesized by ball milling for the copolymerization of CO2/propylene oxide, phthalic anhydride/propylene oxide, and CO2/propylene oxide/phthalic anhydride

被引：16
|
作者：
Lin Qiang [1 ]
Guo Zhifang [1 ]
Pan Lisha [2 ]
Xiang Xue [1 ]
机构：
[1] Hainan Normal Univ, Coll Chem & Chem Engn, Haikou 571158, Hainan, Peoples R China
[2] Hainan Univ, Hainan Prov Fine Chem Engn Res Ctr, Inst Mat & Chem Engn, Haikou 570228, Hainan, Peoples R China
来源：
CATALYSIS COMMUNICATIONS | 2015年 / 64卷
关键词：
Carbon dioxide; Propylene oxide; Phthalic anhydride; Zn-Cr double metal cyanide; Ball milling; Copolymerization; PROPYLENE-OXIDE; COMPLEXING AGENTS; CYCLOHEXENE OXIDE; POLYMERIZATION; CO2; MECHANOCHEMISTRY;
D O I：
10.1016/j.catcom.2015.02.015
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A highly active double metal cyanide complex (DMC) catalyst based on Zn-Cr was successfully synthesized by ball milling, an environmentally-friendly and efficient synthetic technique. The Zn-Cr DMC showed not only high catalytic activity for the alternating copolymerization of CO2 with propylene oxide (4 MPa, 70 degrees C, 24 h) and phthalic anhydride with propylene oxide (110 degrees C, 5 h), but also effectiveness for the terpolymerization of CO2, propylene oxide and phthalic anhydride (4 MPa, 70 degrees C, 24 h) under controlled conditions. The Zn-Cr DMC showed relatively modest activity and yielded polymers with high molecular weight (Mn PPC: 68.6 K, PPA: 4.1 K, PPCPA: 15.9 K) and narrow polydispersity index (PDI PPC: 1.68, PPA: 1.29, PPCPA: 1.09). FT-IR, H-1 NMR and C-13 NMR confirmed product formation. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：114 / 118
页数：5
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