High throughput kinetic analysis of photopolymer conversion using composition and exposure time gradients

被引：46
作者：
Johnson, PM
Reynolds, TB
Stansbury, JW
Bowman, CN
机构：
[1] Univ Colorado, Dept Chem & Biol Engn, Boulder, CO 80309 USA
[2] Purdue Univ, Sch Mat Engn, W Lafayette, IN 47907 USA
[3] Univ Colorado, Hlth Sci Ctr, Sch Dent, Biomat Res Ctr, Aurora, CO 80045 USA
来源：
POLYMER | 2005年 / 46卷 / 10期
关键词：
acrylates; high-throughput analysis; photopoylmerization;
D O I：
10.1016/j.polymer.2005.02.085
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
In this work, monomer composition and exposure time gradients were produced, allowing for rapid, parallel measurements of conversion as a function of composition and exposure time using Fourier transform infrared (FT-IR) spectroscopy. A more comprehensive understanding of how composition affects photopolymerization kinetics is needed due to the complexity of current industrial formulations. In nearly all cases, these applications use multiple monomers, fillers, initiators, and other components to achieve the required properties. The developed technique allows for photopolymerization kinetics to be analyzed rapidly over a large range of compositions, giving a unique insight into the role composition contributes to polymerization kinetics and ultimate conversion within complex formulations. This work analyzed three varied two-component systems, each showing different effects from composition on polymerization kinetics due to formulation changes in functionality, viscosity, and reactivity. (c) 2005 Elsevier Ltd. All rights reserved.
引用
收藏
页码：3300 / 3306
页数：7
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