Photopolymerization of acrylates using N-aliphaticmaleimides as photoinitiators

被引：84

作者：

Clark, SC

Hoyle, CE

Jönsson, S

Morel, F

Decker, C

机构：

[1] Univ So Mississippi, Dept Polymer Sci, Hattiesburg, MS 39406 USA

[2] Fus UV Curing Syst, Gaithersburg, MD USA

[3] Lab Photochim Gen, CNRS, URA 431, F-68200 Mulhouse, France

来源：

POLYMER | 1999年 / 40卷 / 18期

关键词：

photopolymerization; maleimides; acrylates;

D O I：

10.1016/S0032-3861(98)00734-4

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 photopolymerization of a diacrylate monomer with an N-aliphaticmaleimide as the photoinitiator has been investigated by photodifferential scanning calorimetry (photo-DSC), real-time infrared (RTIR) spectroscopy, and real-time UV (RTUV) spectroscopy. Photo-DSC exotherm results for relatively thick films (similar to 150 mu m) showed an increase in the polymerization reactivity (R) up to a concentration of only about 2 mol% N-aliphaticmaleimide. RTIR analysis was used to determine that the reactivity of a diacrylate thin film (similar to 10 mu m) increased continually as the concentration of AcOEMI increased from 0.1 to 30 mol%. Both RTIR and RTUV spectroscopy indicated that essentially AcOEMI was completely consumed in the polymerization process, and colorless crosslinked acrylate films with little absorbance above 300 nm were produced. (C) 1999 Elsevier Science Ltd. All rights reserved.

引用

页码：5063 / 5072

页数：10

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