Ethylene and carbon monoxide copolymerization catalyzed by supported palladium catalyst

被引：13

作者：

Chukanova, Olga M. ^{[1
]}

Alpherov, Kirill A. ^{[1
]}

Belov, Gennadiy P. ^{[1
]}

机构：

[1] Russian Acad Sci, Inst Problems Chem Phys, Dept Polymers & Composite Mat, Chernogolovka 142432, Moscow Region, Russia

来源：

JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL | 2010年 / 325卷 / 1-2期

关键词：

Copolymerization kinetics; Carbon monoxide; Ethene; Homogeneous and supported palladium catalyst; ALTERNATING COPOLYMERIZATION;

D O I：

10.1016/j.molcata.2010.03.033

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：

The kinetics of the copolymerization of ethylene with carbon monoxide catalyzed by (dppp)Pd(TsO)(2) (I) has been investigated under homogeneous conditions and in slurry with supported catalyst I/P (P: polymer support polyketone (PK)), at different catalyst concentrations. The specific rate reduced to gram of Pd of the initial stage of reaction is going up with increasing catalyst concentration, and the specific rate of the second macro-kinetic stage decreases with increasing catalyst loading. The productivity of supported catalysts I/P and I/SiO2 has been analyzed in terms of the PK yield per gram of supported catalyst per hour. The specific copolymer yield increases with the increase in catalyst loading in I/P to 2 x 10(-4) mol of Pd per 1 g of the supported catalyst and attains the maximum value of 27 g(PK)/(g(supcat.)h) when copolymerization is carried out in the heptane-toluene mixture. Crown Copyright (C) 2010 Published by Elsevier B.V. All rights reserved.

引用

页码：60 / 64

页数：5

共 16 条

[1]

Belov G.P., 2004, Russ. Chem. Rev, V73, P267, DOI [DOI 10.1070/RC2004V073N03ABEH000840, 10.1039/a903411k, DOI 10.1039/A903411K]

[2]

BELOV GP, 1998, POLYM SCI SER A, V40, P240

[3] SYNTHESIS, CHARACTERIZATION AND X-RAY STRUCTURE OF [PD(DPPP)(H2O)(TSO)] [TSO] (DPPP=1,3-BIS(DIPHENYLPHOSPHINO)PROPANE - TSO=P-CH3C6H4SO3), A CATALYTIC SPECIES IN CO-C2H4 COPOLYMERIZATION [J].