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浅谈环氧地坪漆施工时加稀释剂的作用以及比例

2018-10-14 11:55:41 常州市星火铝艺制品有限公司 阅读

助剂是油漆中不可缺少的组成,稀释剂也是助剂中的一种。在环氧地坪漆中常用的助剂有分散剂、消泡剂、流平剂、流变剂,还有防静电、防滑、消光等功能性助剂。在环氧地坪漆中常见的弊病主要有缩孔、针孔、橘皮、失光、缩变和发笑,由于分散不好而导致的发花和浮色,颜色不均,由于未流平而导致表面不均等问题。这些问题常常需要适当的助剂来消除。

Auxiliaries are indispensable components in paint, diluent is also one of the auxiliaries. The common auxiliaries in epoxy floor paint are dispersant, defoamer, leveling agent, rheological agent, as well as anti-static, anti-skid, extinction and other functional auxiliaries. The common drawbacks of epoxy floor paint are shrinkage, pinholes, orange peel, loss of light, shrinkage and laughter, blooming and floating due to poor dispersion, uneven color, uneven surface due to non-leveling and so on. These problems often need proper auxiliaries to eliminate them.

在地坪漆中,消泡剂的使用不当会导致涂膜出现缩孔、收缩、鱼眼、针孔、橘皮、失光、缩变和发笑等缺陷,严重影响涂膜的表观和性能。

In floor paint, improper use of defoamer will lead to shrinkage, shrinkage, fisheye, pinhole, orange peel, loss of light, shrinkage and laughter defects, seriously affecting the appearance and performance of the film.

对地坪漆来说,环氧地坪漆的流平性是一个很重要的性能指标。如果地坪漆的流平性不好,则涂膜表面不均一,出现明显的刷痕,干燥过程中出现缩孔、针孔等弊病,损害其保护和美观性能。而地坪漆中的环氧地坪漆、聚氨酯地坪漆更易于产生这类弊病。流平性与体系的溶剂关系很大,流平性不好时,可以适当加入高沸点的溶剂来改善。

For floor paint, leveling of epoxy floor paint is a very important performance index. If the levelness of floor paint is not good, the surface of the film is not uniform, there are obvious brush marks, shrinkage, pinholes and other defects in the drying process, damage its protection and aesthetic performance. The epoxy floor paint and polyurethane floor paint are more prone to produce such defects. The leveling property is greatly related to the solvents in the system. When the leveling property is poor, the solvents with high boiling point can be properly added to improve the leveling property.

地坪漆中稀释剂的份量一般是5%~15%,不宜超过地坪漆重量的20%。若超过20%,会使地坪漆过稀(粘度过小),涂装时容易产生流淌、露底的毛病。又因地坪漆漆膜薄会降低地坪漆漆膜的性能

The amount of thinner in floor paint is generally 5% to 15%, and should not exceed 20% of the weight of floor paint. If more than 20%, will make the floor paint too thin (viscosity is too small), easy to produce flowing paint, exposed defects. Because the paint film of floor paint will reduce the performance of floor paint film.



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