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第54卷第5期 涂料工业 Vol. 54 No. 5
2024年5月 李永康等：高触变高抗流挂双组分水性环氧涂料的制备 May 2024
PAINT & COATINGS INDUSTRY

高 变高抗流挂双组分水性环氧涂料的制备

李永 ，王 ，刘 ， 清 *1，2
3
1，2
1，2
（1. 江 科技 大学化学化工学院涂料与高分 ，南昌330013；2. 江 省水性涂料
工程研究中心，南昌330013；3. 江苏富 新材料有限公司，江苏南通226407）
摘 要：双组分水性环氧涂料具有触变性和抗流挂性不易调节的问题。采用聚氨酯缔合型增稠
剂和膨润土复配，并选用乳液型胺固化剂取代常用的水溶性胺固化剂的方式，制备了一款具有高触
变、高抗流挂和优异综合性能的双组分水性环氧涂料。研究了增稠剂和流变助剂的种类及用量、胺
固化剂的类型对双组分水性环氧涂料的触变性、抗流挂性及其他应用性能的影响规律，结果表明：
6870 乳液型胺固化剂与 299 增稠剂和 LT 膨润土之间存在相互促进作用，当 299 增稠剂用量为 0. 5%、
LT 膨润土用量为 0. 3% 时，搭配 6870 乳液型胺固化剂可制得触变指数为 4. 5、抗流挂极限膜厚为
475 μm、综合性能优异的双组分水性环氧涂料。
关键词：双组分水性环氧涂料；施工性；增稠剂；流变助剂；乳液型胺固化剂

中图分类号：TQ637. 81 文献标志码：A 文章编号：0253-4312（2024）05-0049-06
doi：10. 12020/j. issn. 0253-4312. 2023-283
Preparation of Two-component Waterborne Epoxy Coatings
with High Thixotropy and High Anti-sagging Resistance

1，2
1，2
3
Li Yongkang ，Wang Jiasheng ，Liu Shengpu ，Fu Changqing 1，2
（1. The epartment of Coatings and Polymeric Materials，College of Chemistry and Chemical Engineering，iangxi
J
Science & Technology Normal University，Nanchang 330013，China；. Jiangxi Engineering Laboratory of Waterborne
2
J
Coating，Nanchang 330013，China；. Jiangsu Fu isen new material Co Ltd Nantong，iangsu 226407，China）
3
Abstract：Two-component waterborne epoxy coatings have the problems of difficult
adjustment of thixotropy and anti-sagging resistance. In this paper，a two-component waterborne
epoxy coatings with high thixotropy，high anti-sagging and excellent comprehensive properties
a
was prepared by the compounding of polyurethane association thickener and bentonite，nd the
selecting emulsion-type amine curing agent to replace the commonly used water-soluble
amine curing agent. The effects of the type and amount of thickeners and rheological additives，

and the type of amine curing agent on the thixotropy，anti-sagging and other application
properties of two-component waterborne epoxy coatings were investigated. The results show
thatthere was a mutual promotion effect between the 6870 emulsion-type amine curing agent，

299 thickener and LT bentonite. When the dosage of 299 thickener was 0. 5% and the dosage
i
of LT bentonite was 0. 3%，with 6870 emulsion-type amine curing agent，t could produce a
thixotropic index of 4. 5，anti-sagging limiting film thickness of 475 μm，and excellent

*通信作者
本文规范引用格式：
李永康，王佳胜，刘胜 ，等. 高触变高抗流挂双组分水性环氧涂料的制备[J]. 涂料工业，2024，54（5）：49-54.
LI Y K，WANG J S，LIU S P，et al. Preparation of two-component waterborne epoxy coatings with high thixotropy and high anti-sagging resistance [J].
Paint & Coatings Industry，2024，54（5）：49-54.
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