EFFECT OF PHOTOINITIATOR ON THE MOLAR-MASS DISTRIBUTION OBTAINED FROM A PULSED-LASER POLYMERIZATION

被引：24

作者：

BERGERT, U ^{[1
]}

BEUERMANN, S ^{[1
]}

BUBACK, M ^{[1
]}

KURZ, CH ^{[1
]}

RUSSELL, GT ^{[1
]}

SCHMALTZ, C ^{[1
]}

机构：

[1] UNIV GOTTINGEN,INST PHYS CHEM,D-37077 GOTTINGEN,GERMANY

来源：

MACROMOLECULAR RAPID COMMUNICATIONS | 1995年 / 16卷 / 06期

关键词：

D O I：

10.1002/marc.1995.030160604

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 choice of the photoinitiator is not usually regarded as being an important consideration in attempting to determine the value of the propagation rate coefficient k(p) from a pulsed laser-initiated polymerization (PLP). It is shown that in fact the choice of the photoinitiator can profoundly influence the success of such experiments. Specially, for a number of monomers it was found that the successful determination of k(p) is essentially impossible when 1,1'-azodicyclohexanecarbonitrile is employed as a photoinitiator. The likely reason for this phenomenon is discussed from which it would seem appropriate to be wary in using any azo compound as a PLP photoinitiator. From PLP experiments with a non-ate photoinitiator, ambient pressure k(p) has been determined for bulk polymerization of methyl methacrylate over an extended temperature range.

引用

页码：425 / 434

页数：10

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