Detailed Investigations into Radical Polymerization Kinetics by Highly Time-Resolved SP-PLP-EPR

被引：29

作者：

Kattner, Hendrik ^{[1
]}

Buback, Michael ^{[1
]}

机构：

[1] Univ Gottingen, Inst Phys Chem, D-37077 Gottingen, Germany

来源：

MACROMOLECULAR SYMPOSIA | 2013年 / 333卷 / 01期

关键词：

ESR/EPR; kinetics (polym.); laser-induced polymerizations; radical polymerization; termination rate coefficient; LENGTH-DEPENDENT TERMINATION; PULSED-LASER POLYMERIZATION; IONIZATION MASS-SPECTROMETRY; RATE COEFFICIENTS; METHYL-METHACRYLATE; FRAGMENTATION; CONSTANTS; ACRYLATE;

D O I：

10.1002/masy.201300091

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Instantaneous initiation of radical polymerization by applying an intense laser pulse on a monomer-photoinitiator solution in conjunction with time-resolved detection of radical concentration provides access to a detailed picture of polymerization kinetics. Examples are given of measurement of chain-length-dependent termination, of intramolecular chain transfer as well as of reversible-deactivation radical polymerization, namely of RAFT and ATRP. The enormous potential of the method relates to the fact that the kinetics of the major acting species, i.e., of the radicals, may be directly monitored with high time resolution.

引用

页码：11 / 23

页数：13

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