硅烷改性环氧苯丙乳液的合成及性能研究  

Synthesis and properties of silane-modified epoxy phenylpropylene emulsions

作　　者：卜星宇 王雷[1] 温井龙[2] 金宏萱 刘畅 Bu Xingyu;Wang Lei;Wen Jinglong;Jin Hongxuan;Liu Chang(College of Environmental and Chemical Engineering,Shenyang Ligong University,Shenyang 110158,China;Shenyang National Research Center for Materials Science,Institute of Metal Research,Chinese Academy of Sciences,Shenyang 110016,China)

机构地区：[1]沈阳理工大学环境与化学工程学院,辽宁沈阳110158 [2]中国科学院金属研究所沈阳材料科学国家研究中心,辽宁沈阳110016

出　　处：《电镀与精饰》2024年第10期83-88,共6页Plating & Finishing

基　　金：辽宁省教育厅面上项目(JYTMS20230203)。

摘　　要：利用硅烷偶联剂KH-560和环氧E-51,通过种子乳液聚合的方法,对传统苯丙乳液进行有机硅与环氧树脂改性,制备了新型的硅烷改性环氧苯丙乳液,并探索了工艺条件对乳液性能和涂膜性能的影响。结果表明:乳化剂用量为6.5%、软硬单体比例为1.6∶1、环氧树脂E-51用量为5%、硅烷偶联剂KH-560用量为10%时,合成出的新型硅烷改性环氧苯丙乳液具有较高的固含量与转化率,分别为43.75%、87.5%,具有较低的凝胶率和吸水率,分别为0.98%、71.43%,乳液外观呈乳白带明显蓝相,乳液稳定性良好。初步研究了硅烷偶联剂KH-560和环氧树脂E-51对苯丙乳液的改性机理。Using silane coupling agent KH-560 and epoxy E-51,a new type of silane-modified epoxy phenylpropylene emulsion was prepared by modifying traditional phenylpropylene emulsion with silicone and epoxy resin through seed emulsion polymerization,and the effects of process conditions on the properties of emulsion and coating film properties were explored.The results show that when the amount of emulsifier is 6.5%,the ratio of hard and soft monomer is 1.61,the amount of epoxy resin E∶-51 is 5%,and the amount of silane coupling agent KH-560 is 10%,the new silane-modified epoxy phenylpropylene emulsion has higher solid content and conversion rate of 43.75%and 87.5%,respectively,and lower gel rate and water absorption rate of 0.98%and 71.43%,respectively.The appearance of the emulsion is milky white with obvious blue phase,and the stability of the emulsion is good.The modification mechanism of silane coupling agent KH-560 and epoxy resin E-51 on phenylpropylene emulsion was initially investigated.

关 键 词：环氧改性 硅烷改性 乳液聚合 丙烯酸乳液 水性涂料 

分 类 号：TQ630.7[化学工程—精细化工]