低VOC水性丙烯酸乳液/水性环氧酯杂化涂料的研制  

Preparation of Low VOC Waterborne Acrylic Emulsion/Waterborne Epoxy Ester Hybrid Coatings

作　　者：于国玲 陈宛瑶 雷东岭 王学克 张继芳 薛森堂 李顺霞 YU Guo-ling;CHEN Wan-yao;LEI Dong-ling;WANG Xue-ke;ZHANG Ji-fang;XUE Sen-tang;LI Shun-xia(Nanyang Vocational College of Agriculture,Nanyang 473000,Henan,China;School of Biology and Chemistry Engineering,Nanyang Institute of Technology,Nanyang 473000,Henan,China;Nanyang Waterborne Environmental Coatings Engineering Technology Research Center,Nanyang 473000,Henan,China;Nanyang Wolong Paint Co.,Ltd.,Nanyang 473000,Henan,China)

机构地区：[1]南阳农业职业学院,河南南阳473000 [2]南阳理工学院生物与化学工程学院,河南南阳473000 [3]南阳市水性环保涂料工程技术研究中心,河南南阳473000 [4]南阳卧龙漆业有限公司,河南南阳473000

出　　处：《中国涂料》2020年第12期50-54,共5页China Coatings

摘　　要：以水性丙烯酸乳液KG-11和水性环氧酯树脂SK2132为成膜物,选择适当的助剂制备出一种低VOC水性丙烯酸乳液/水性环氧酯杂化涂料。对涂料性能的测试结果表明,当m(KG-11)∶m(SK2132)=6∶4;w(KG-11+SK2132)=40%(质量分数,后同);以RM8W和RM12W复配作为体系的流变助剂,添加量均为0.2%;以Tego Foamex 810为消泡剂,添加量为0.2%时,杂化涂料VOC含量92 g/L,表干时间15 min,实干时间6 h,涂膜光泽88%,硬度H,耐5%NaOH 24 h,耐水时间96 h,耐中性盐雾240 h。Low VOC waterborne acrylic emulsion/waterborne epoxy ester hybrid coatings were prepared with waterborne acrylic emulsion KG-11 and waterborne epoxy ester resin SK2132 as film-forming materials.The results show that when m(KG-11):m(SK2132)=6:4,w(KG-11+SK2132)=40%,RM8W and RM12W are used as rheological additives,their dosages are both 0.2%,Tego Foamex 810 is used as defoamer,and its dosage is 0.2%,the VOC content of the hybrid coatings is 92 g/L,the tack-free time is 15 min,the hard drying time is 6 h,the gloss of coatings film is 88%,the hardness is H,the time of resistance to 5%NaOH is 24 h,the time of resistance to water is 96 h,and the time of resistance to neutral salt spray is 240 h.

关 键 词：低VOC 水性丙烯酸乳液 水性环氧酯 丙烯酸改性 杂化涂料 

分 类 号：TQ630.7[化学工程—精细化工]