Study on properties of UV-curable films based on alkali-soluble photosensitive polysiloxane urethane acrylate oligomer

SUN Fang; ZHANG Nan; JIANG Shengling; DU Hongguang

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Study on properties of UV-curable films based on alkali-soluble photosensitive polysiloxane urethane acrylate oligomer

更新时间：2023-03-27

- Study on properties of UV-curable films based on alkali-soluble photosensitive polysiloxane urethane acrylate oligomer
- Journal of Radiation Research and Radiation Processing Vol. 29, Issue 3, Pages: 149-153(2011)
- 作者机构：
  
  1.北京化工大学理学院　北京　100029
  2.北京化工大学材料科学与工程学院　北京　100029
- 作者简介：
- 基金信息：
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SUN Fang, ZHANG Nan, JIANG Shengling, et al. Study on properties of UV-curable films based on alkali-soluble photosensitive polysiloxane urethane acrylate oligomer. [J]. Journal of Radiation Research and Radiation Processing 29(3):149-153(2011)
DOI：

SUN Fang, ZHANG Nan, JIANG Shengling, et al. Study on properties of UV-curable films based on alkali-soluble photosensitive polysiloxane urethane acrylate oligomer. [J]. Journal of Radiation Research and Radiation Processing 29(3):149-153(2011) DOI：

摘要

设计合成了一种碱溶性光敏有机硅聚氨酯丙烯酸酯（Alkali-soluble polysiloxane urethane acrylate, APSUA），以期用于阻焊油墨。详细研究了体系组成对APSUA体系的耐水性、体积收缩、硬度、拉伸性能及耐热性能的影响。研究发现：含羟基活性单体会使体系吸水率上升；随着体系交联度增加，吸水率下降；APSUA体系体积收缩率随APSUA含量的增加而下降，所研究的APSUA体系的体积收缩率均小于6%；加入多官能单体和具有刚性结构的单体有利于提高体系的硬度；随着活性单体的官能度的增大，耐热性增强；碱溶性预聚体APSUA与丙烯酸酯类单体具有良好的相容性。

Abstract

A UV- curable alkali-soluble polysiloxane urethane acrylate (APSUA) for solder mask was designed and synthesized in this work. The effect of composition of APSUA on physical and mechanical properties of UV curing APSUA materials including water resistance, volume shrinkage, hardness, tensile strength, elongation and heat resistance, was investigated in this paper. The results showed that reactive monomers with hydroxyl bonding could increase water absorption of the APSUA. The water absorption of the APSUA decreased with increasing crosslinking yields. The volume shrinkage of the APSUA decreased with increasing APSUA concentrations in the system and the volume shrinkage of investigated APSUA was lower than 6%. Multi-functional monomer and acrylate monomer with rigid structure could improve hardness of APSUA. When functionality of reactive monomer increased the heat resistance of APSUA could be enhanced. The APSUA possesses excellent compatibility with most of acrylate monomers.

关键词

碱溶性有机硅光敏阻焊剂性能

Keywords

Alkali-solublePolysiloxanePhotosensitiveSolder resist inkProperty

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