SUN Haijing,XU Jiaxin,YAO Yuxuan,et al.Preparation and Study on Water-based Silicone Modified Epoxy-Acrylate Resin[J].Plating & Finishing,2020,(3):18-23.[doi:10.3969/j.issn.1001-3849.2020.03.004]
水性有机硅改性环氧丙烯酸树脂的制备及性能研究
- Title:
- Preparation and Study on Water-based Silicone Modified Epoxy-Acrylate Resin
- Keywords:
- acrylic resin; organsilicone; epoxy resin; waterborne paint; water absorption
- 文献标志码:
- A
- 摘要:
- 针对涂料漆膜吸水率偏高的问题，采用种子乳液、单体滴加的方法进行聚合，研究了丙烯酸用量、E-44用量、A151与D4的配比、乳化剂总量、引发剂用量、电解质种类对乳液以及漆膜性能的影响。结果表明：采用正交优化方法，可以改性涂料漆膜的吸水率，制得的乳液稳定性高。其最优配方为：AA含量为2%，E-44含量为5%，有硅单体为6.04g且A151:D4为1∶2，复合乳化剂为2.5%且OP-10:SLS为2∶1，电解质稳定剂NaHCO3为0.45%，引发剂APS为0.8%，其各项性能均满足GB/T20623-2006《建筑涂料用乳液》标准的要求。
- Abstract:
- The research was carried out aiming at the problem of high water absorption rate of acrylic resin. In this study, waterborne silicone modified epoxy acrylic resin was prepared by seed emulsion and monomer dropping polymerization. The influences of the acrylic acid dosage, E-44 dosage, A151/D4 ratio, emulsifier dosage, initiator dosage and electrolyte type on the properties of emulsion and film were respectively studied. The result showed that the prepared coating had lower water absorption rate and higher stability. With orthogonal experiment, the optimum formula of water-based silicone modified epoxy-acrylate resin was obtained, which was: AA 2 wt%, E-44 5wt%, organsilicone monomer 6.04 g, A151/D4 1∶2, compound emulsifer 2.5 wt%, OP-10:SLS 2∶1, NaHCO3 0.45 wt%, APS 0.8 wt%. And the properties all met the standard of GB/T 20623-2006 for architectural coating.
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备注/Memo
收稿日期： 2019-12-11；修回日期： 2020-1-12
通信作者： 张爱黎，1169674033@qq.com
基金项目： 辽宁省教育厅青年科技人才“育苗”项目（LG201928）；辽宁省博士启动基金（201601181）；沈阳理工大学大学生创新创业计划项目（201810144053）