Tuning of activity, induction period and polymer properties of double metal cyanide catalyzed ring-opening polymerizations of propylene oxide by using quaternary ammonium salts

被引：36

作者：

Lee, Sanghyun ^{[1
]}

Baek, Seung Tae ^{[1
]}

Anas, K. ^{[1
]}

Ha, Chang-Sik ^{[1
]}

Park, Dae-Won ^{[1
]}

Lee, Jang Woo ^{[1
]}

Kim, Il ^{[1
]}

机构：

[1] Pusan Natl Univ, Div Chem Engn, Pusan 609735, South Korea

来源：

POLYMER | 2007年 / 48卷 / 15期

关键词：

double metal cyanide catalyst; propylene oxide; quaternary ammonium salts; CRYSTAL-STRUCTURE; ZNX2; X; COPOLYMERIZATION; EPOXIDES; SYSTEMS; BR; CL;

D O I：

10.1016/j.polymer.2007.05.072

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Polymerizations of propylene oxide (PO) have been carried out by using double metal cyanide (DMC) catalyst prepared by reacting ZnCl2 and K-3[Co(CN)(6)] in the presence of tert-butyl alcohol ((BuOH)-Bu-t) as a complexing agent. The catalytic activity and the induction period for PO polymerizations catalyzed by DMC are tunable by using various quaternary ammonium salts (QAS) as external additives. The DMC/QAS binary catalyst improves polymer properties as well such as molecular weight, molecular weight distribution, viscosity, and unsaturation level. (c) 2007 Elsevier Ltd. All rights reserved.

引用

页码：4361 / 4367

页数：7

共 22 条

[11] Ring-opening polymerizations of propylene oxide by double metal cyanide catalysts prepared with ZnX2 (X = F, Cl, Br, or I)
Kim, I
Byun, SH
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[12] Ring-opening polymerization of propylene oxide initiated by Fe-Zn double metal cyanide catalyst
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[15] Ring-Opening Polymerization of Propylene Oxide Catalyzed by a Calcium-Chloride-Modified Zinc-Cobalt Double Metal-Cyanide Complex
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[16] FUEL 259-Effect of ionic liquids on ring-opening polymerization of propylene oxide with double metal cyanide catalysts
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ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 2006, 232
[17] Molecular Weight Distribution in Ring-Opening Polymerization of Propylene Oxide Catalyzed by Double Metal Complex: A Model Simulation
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MACROMOLECULAR THEORY AND SIMULATIONS, 2021, 30 (03)
[18] Fe/Zn double metal cyanide (DMC) catalyzed ring-opening polymerization of propylene oxide. Part 3. Synthesis of DMC catalysts
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[19] Poly(propylene oxide) grafted onto the surface of cds nanocrystals using ring-opening polymerization under double metal cyanide complex catalyst
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ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 2006, 231
[20] Role of zinc chloride and complexing agents in highly active double metal cyanide catalysts for ring-opening polymerization of propylene oxide
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