Quantitative description of oxygen inhibition in radical UV-curing

ZHU Guojian; FAN Tianfeng; WANG Dehai; BAO Liubing

doi:10.11949/j.issn.0438-1157.20180155

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Quantitative description of oxygen inhibition in radical UV-curing

更新时间：2025-12-10

- Quantitative description of oxygen inhibition in radical UV-curing
- CIESC Journal Issue 8, Pages: 3740-3746(2018)
- 作者机构：
  
  浙江工业大学材料科学与工程学院,浙江,杭州,310014
- 作者简介：
- 基金信息：
- DOI：10.11949/j.issn.0438-1157.20180155
  CLC： 64
- Online First：05 August 2018，
  
  Published：05 August 2018
- 稿件说明：
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ZHU Guojian, FAN Tianfeng, WANG Dehai, et al. Quantitative description of oxygen inhibition in radical UV-curing[J]. CIESC Journal, 2018, (8): 3740-3746.
DOI：

ZHU Guojian, FAN Tianfeng, WANG Dehai, et al. Quantitative description of oxygen inhibition in radical UV-curing[J]. CIESC Journal, 2018, (8): 3740-3746. DOI： 10.11949/j.issn.0438-1157.20180155.

摘要

基于自由基型光固化过程一般由多个活性中心引起的考虑，利用分峰的方法对光固化速率曲线进行多峰拟合，同时定义速率曲线上拐点处的切线与时间轴的交点横坐标tV-inh作为一个光固化时间参数，来研究氧气的阻聚作用效果。通过对光固化参数与引发剂含量进行拟合分析，定量地考察了分峰分析方法及所选择的参数用以描述氧阻聚的可行性。结果表明，分峰可以清晰地分离出对氧气较敏感的固化反应部分，tV-inh与引发剂含量x的关系可用函数模型tV-inh=A/x+B进行表达，（A+B）值的大小可以定量地反映固化体系对氧气的敏感程度。

Abstract

Curing rate curve was multimodally fitted by the peak separation method based on the consideration that free radical UV-curing process is generally caused by multiple active centers. A parameter of tV-inh

which is the intersection of abscissa and the tangent line of the inflection point of curing rate curve

is assigned to evaluate oxygen inhibition extent. The results showed a more oxygen-sensitive curing reaction could be isolated by overlapping peak resolving

and the relationship between tV-inh and initiator content x turned out to be fulfilled the algebraic expression of tV-inh=A/x+B optimally

and the value of (A+B) could be used to describe the oxygen inhibition trend for a given curing formula.

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