BYK Wetting dispersant DISPERBYK-163
Model：
DISPERBYK-163
Industry：
Composite material,Adhesive
Function：
Wetting and dispersing agent
Category：
Products
Product Details
应用信息
涂料工业
特性和优点
该高分子量助剂通过空间位阻使颜料解絮凝并稳定。DISPERBYK-163 对颜料颗粒提供相同的电荷。由此产生的排斥力和位阻稳定作用可有效避免可能的共絮凝，使多颜料体系不会产生浮色和发花。该助剂的解絮凝性能可增加涂料的光泽、颜色强度、透明性和遮盖力，同时降低研磨料的粘度。
推荐应用
DISPERBYK-163 具有宽广的相容性，可用于各种溶剂型配方。也可用于问题涂料的后期补救。对于一些新的应用，推荐使用更新的助剂如 DISPERBYK-2163 和 DISPERBYK-2164。
推荐用量
助剂用量（购入形式）基于颜料：
无机颜料： 15-20 %
二氧化钛： 4-5 %
有机颜料： 30-60 %
炭黑： 80-100 %
上述数据为经验用量，最佳用量需通过一系列试验确定。
加入方法和加工指导
为了获得最佳性能，应先将助剂加入研磨料中，再加入颜料。先将研磨料的树脂和溶剂组份预混合，然后在不断搅拌下缓缓加入助剂。在助剂未混合均匀前不可加入颜料。可以通过后添加方式补救出现问题的涂料，此时，需要在高剪切力条件下缓慢加入。
Key words
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