基于蓝光固化的PU-TiO2一体化墨水构建及性能研究

doi:10.19398/j.att.202011022

现代纺织技术 ›› 2022, Vol. 30 ›› Issue (1): 137-145.DOI: 10.19398/j.att.202011022

基于蓝光固化的PU-TiO₂一体化墨水构建及性能研究

闫凯^1a, 骆训^1a, 章奇羊², 王成龙^1b, 乔路阳^1a, 郑今欢^1b()

1.浙江理工大学,a.先进纺织材料与制备技术教育部重点实验室;b.生态染整技术教育部工程研究中心,杭州 310018
2.绍兴市生态环境宣教与机排中心,浙江绍兴 312000

收稿日期:2020-11-30 出版日期:2022-01-10 网络出版日期:2021-04-19
通讯作者:郑今欢,E-mail: hzzjh1968@163.com
通讯作者:郑今欢
作者简介:闫凯(1995-),男,山西文水人,硕士研究生,主要从事生态染整技术方面的研究。
基金资助:
浙江省基础公益研究计划项目(LGF21E030004);浙江省教育厅科研项目资助项目(20200065-F);浙江理工大学科研启动基金项目(19012097-Y)

Research on construction and performance of integrated ink based on blue light curing

YAN Kai^1a, LUO Xun^1a, ZHANG Qiyang², WANG Chenglong^1b, QIAO Luyang^1a, ZHENG Jinhuan^1b()

1a. Key Laboratory of Advanced Textile Materials and Preparation Technology of Ministry of Education; 1b. Engineering Research Center of Ecological Dyeing and Finishing Technology of Ministry of Education, Zhejiang Sci-Tech University, Hangzhou 310018, China
2.Shaoxing Eco-Environmental Education and Aircraft Platoon Center, Shaoxing 312000, China

Received:2020-11-30 Published:2022-01-10 Online:2021-04-19

摘要/Abstract

摘要：

为了改善二氧化钛迁移聚集现象并提高其在涂料墨水中的锚固作用,自制了聚氨酯丙烯酸酯基二氧化钛(PU-TiO₂)一体化涂料。将PU-TiO₂一体化涂料制成光固化PU-TiO₂一体化涂料墨水,并对光固化PU-TiO₂一体化涂料墨水体系及性能进行了研究。通过紫外光谱分析和光聚合性能分析得出,当引发剂樟脑醌(CQ)与助引发剂4-二甲基氨基苯甲酸乙酯(EDB)之间的质量比为6:4,且引发体系占墨水体系质量分数比例为1.5%时,墨水性能达到最佳;通过光聚合性能、流变性能和膜拉伸性能分析,可知一体化涂料墨水属于典型的牛顿型流体,当涂料与单体之间的质量比为4:6时,墨水性能达到最佳。相较于未改性二氧化钛制得的光固化墨水,一体化涂料墨水在固化过程中迁移聚集现象明显改善,且膜拉伸性能和分散稳定性能得到提升。

关键词: PU-TiO₂, 涂料墨水, 蓝光固化, 一体化

Abstract:

In order to improve the migration and aggregation of titanium dioxide and enhance its anchoring effect on coating ink, we prepared an integrated coating of polyurethane acrylate-based titanium dioxide (PU-TiO2) was made. The PU-TiO₂ integrated coating was made into a light-cured PU-TiO₂ integrated coating ink, and the light-cured PU-TiO₂integrated coating ink system and its properties were studied. Through UV spectrum analysis and analysis of photopolymerization properties, it is concluded that when the mass ratio between the initiator camphorquinone (CQ) and the co-initiator 4-ethyl dimethylaminobenzoate (EDB) is 6:4, and the mass fraction of the initiator system accounts for 1.5% of the ink system, the ink performance reaches the best; through an analysis of photopolymerization properties, rheological properties and film tensile properties, it can be seen that the integrated coating ink is a typical Newtonian fluid. When the mass ratio between the coating and the monomer is 4:6, the ink performance is the best. Compared with the light-cured ink prepared by unmodified titanium dioxide, the migration and aggregation of the integrated coating ink are significantly improved during the curing, and the tensile properties and dispersion stability of the film are also improved.

Key words: PU-TiO₂, coating ink, blue light curing, integration

中图分类号:

TS194.2

闫凯, 骆训, 章奇羊, 王成龙, 乔路阳, 郑今欢. 基于蓝光固化的PU-TiO₂一体化墨水构建及性能研究[J]. 现代纺织技术, 2022, 30(1): 137-145.

YAN Kai, LUO Xun, ZHANG Qiyang, WANG Chenglong, QIAO Luyang, ZHENG Jinhuan. Research on construction and performance of integrated ink based on blue light curing[J]. Advanced Textile Technology, 2022, 30(1): 137-145.

图/表 11

图1 蓝光固化一体化涂料墨水构建及光固化示意

Fig.1 The construction of blue light curable integrated coating ink and schematic of light curing

图2 引发体系比例紫外可见光谱分析

Fig.2 UV-Vis spectrum analysis of initiating system ratio

图3 引发体系比例的光聚合性能曲线

Fig.3 The photopolymerization performance curve of the initiator system ratio

图4 引发体系浓度的光聚合性能曲线

Fig.4 The photopolymerization performance curve of the initiator system concentration

图5 PU-TiO2与单体复配比例的流变性能曲线

Fig.5 Rheological properties curve of PU-TiO2 and monomer compound ratio

图6 PU-TiO2与单体比例的光聚合性能曲线

Fig.6 The photopolymerization performance curve of PU-TiO2 and monomer ratio

图7 PU-TiO2与单体比例固化膜的应力-应变曲线

Fig.7 The stress-strain curve of the cured film of PU-TiO2 and monomer ratio

图8 改性前后二氧化钛墨水的聚合性能曲线

Fig.8 Polymerization performance curve of titanium dioxide ink before and after modification

表1 改性前后二氧化钛沉降性能分析

Tab.1 Analysis of sedimentation performance of titanium dioxide before and after modification

样品名称	时间	沉降效果
TiO₂	三周	沉降效果明显
PU-TiO₂	三周	沉降效果不明显

图9 改性前后二氧化钛固化膜横截面扫描电镜图片

Fig.9 SEM pictures of cross-sections of cured titanium dioxide film before and after modification

图10 改性前后二氧化钛光固化膜的应力-应变曲线

Fig.10 Stress-strain curve of titanium dioxide light-cured film before and after modification

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基于蓝光固化的PU-TiO₂一体化墨水构建及性能研究

Research on construction and performance of integrated ink based on blue light curing

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