Transfer Reactions in Phenyl Carbamate Ethyl Acrylate Polymerizations

被引：4

作者：

Bennet, Francesca ^{[1
]}

Roelle, Thomas ^{[2
]}

Faecke, Thomas ^{[2
]}

Weiser, Marc-Stephan ^{[2
]}

Bruder, Friedrich-Karl ^{[2
]}

Barner-Kowollik, Christopher ^{[1
]}

Junkers, Thomas ^{[1
,3
]}

机构：

[1] KIT, Inst Tech Chem & Polymerchem, D-76128 Karlsruhe, Germany

[2] Bayer Mat Sci AG, Leverkusen, Germany

[3] Univ Hasselt, Polymer React Design Grp, Inst Mat Res, B-3590 Diepenbeek, Belgium

来源：

MACROMOLECULAR CHEMISTRY AND PHYSICS | 2013年 / 214卷 / 02期

关键词：

acrylate polymerization; electrospray ionization mass spectrometry; transfer to polymer; N-BUTYL ACRYLATE; SIZE-EXCLUSION CHROMATOGRAPHY; CHAIN TRANSFER; MASS-SPECTROMETRY; RATE COEFFICIENTS; NMR-SPECTROSCOPY; PROPAGATION RATE; MONOMERS; REACTIVITY; SECONDARY;

D O I：

10.1002/macp.201200285

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

The transfer reactions occurring during polymerization of 2-(phenylcarbamoyloxy)ethyl acrylate (PhCEA) were studied by a detailed product mapping with electrospray ionization mass spectrometry (ESI-MS). Unlike postulated before, PhCEA exhibits the same characteristic transfer reactions as other acrylic monomers at elevated temperatures, resulting in vinyl-terminated and saturated products. Transfer to monomer via abstraction of a hydrogen atom from the ester side chain as suggested before is not observed. When polymerized in a poly(ethylene glycol) (PEG) matrix to increase viscosity, transfer into matrix products are observed in minor amounts, demonstrating that PEG can be employed as a solvent to further increase the overall rate of polymerization without interference from side reactions.

引用

页码：236 / 245

页数：10

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