Functional Polyethylene Glycol with Carboxyl-supported Platinum as an Efficient Catalysis System for the Hydrosilylation of Alkenes

白赢; 彭家建; 杨虎; 厉嘉云; 来国桥; 李小年

doi:10.1016/S1004-9541(12)60385-1

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Functional Polyethylene Glycol with Carboxyl-supported Platinum as an Efficient Catalysis System for the Hydrosilylation of Alkenes

CATALYSIS, KINETICS AND REACTION ENGINEERING | Updated：2026-01-06

- Functional Polyethylene Glycol with Carboxyl-supported Platinum as an Efficient Catalysis System for the Hydrosilylation of Alkenes
- Chinese Journal of Chemical Engineering Vol. 20, Issue 2, Pages: 246-253(2012)
- Affiliations：
  
  1. State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Institute of Industrial Catalysis, Zhejiang University of Technology,Hangzhou,China,310014
  2. Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education,Hangzhou Nor-mal University,Hangzhou,China,310012
- Author bio：
- Funds：
- DOI：10.1016/S1004-9541(12)60385-1
  CLC：
- Published：2012
- Accepted：
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BAI Ying, PENG Jiajian, YANG Hu, LI Jiayun, LAI Guoqiao, LI Xiaonian. Functional Polyethylene Glycol with Carboxyl-supported Platinum as an Efficient Catalysis System for the Hydrosilylation of Alkenes[J]. Chin.J.Chem.Eng., 2012, 20(2): 246-253.
DOI：

BAI Ying, PENG Jiajian, YANG Hu, LI Jiayun, LAI Guoqiao, LI Xiaonian. Functional Polyethylene Glycol with Carboxyl-supported Platinum as an Efficient Catalysis System for the Hydrosilylation of Alkenes[J]. Chin.J.Chem.Eng., 2012, 20(2): 246-253. DOI： 10.1016/S1004-9541(12)60385-1.

摘要

Abstract

A series of carboxylated long chain polyethylene glycols (abbreviated as PEGCOOH) has been synthesized and used to support chloroplatinic acid.These supported catalysts were then tested for their efficiency in the hydrosilylation of alkenes.The factors affecting their catalytic properties

e.g.

relative molecular mass of polyethylene glycol

reaction temperature

platinum content

and type of alkenes

have been studied.It was found that the activity of the platinum catalyst decreased with increasing length of the polyethylene glycol chain

and increased with reaction temperature.Moreover

these catalysts could be reused several times without a noticeable decrease in activity or selectivity.The reaction pathway leading to excellent selectivity for the β-adduct of hydrosilylation of alkenes with triethoxysilane catalyzed by this catalysis system was discussed.

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