BYK Wetting dispersant ANTI-TERRA-203
Model：
ANTI-TERRA-203
Industry：
Composite material,Adhesive
Function：
Wetting and dispersing agent
Category：
Products
Product Details
特性和优点
该助剂通过对颜料的控制絮凝发挥作用。该控制絮凝作用同时可以抗流挂，防止颜料沉降以及浮色发花。与 ANTI-TERRA-203 所不同，ANTI-TERRA-204 也适用于非极性体系（与石油溶剂相容）。极性越低，触变性越强。适宜长油、中油和短油醇酸、聚氯乙烯共聚物、氯化橡胶和环氧基料体系。用于防腐底漆时，往往可改善防腐性能。
推荐应用
尤其推荐的应用领域：工业涂料、木器和家具涂料、防腐涂料。
推荐的应用领域：建筑涂料。
推荐用量
助剂用量（购入形式）基于颜料：
无机颜料： 1-2 %
二氧化钛/填料： 0.5-1 %
膨润土： 30-50 %
上述数据为经验用量，极佳用量需通过一系列试验确定。
加入方法和加工指导
为获得极佳性能，应先将该助剂加入研磨料中，然后再加入颜料。 该助剂可以对已出现问题的涂料进行补救，不过此时它的功效会有所下降。
膨润土浆推荐配方：
85-87 重量份溶剂
10 重量份膨润土
5-3 重量份助剂
溶剂可以是芳烃溶剂或含芳烃的石油溶剂，也可以使用不含芳烃的溶剂汽油。如果凝胶效果不足，可加入极性溶剂以增强凝胶效果。
特别注意
在基于硝基纤维素、氯化橡胶或聚氯乙烯共聚物的涂料中，这些助剂可能引起变色。在硅酸酯涂料中，会缩短施工时限。较高添加量时可能会影响环氧体系的施工时限和固化反应。该助剂的胺值较高，会导致环氧树脂粘度上升。
SMC, BMC, 拉挤
特性和优点
该助剂通过对填料的控制絮凝发挥作用，主要用于防止填料沉降。
推荐应用
尤其推荐的应用领域：拉挤。
该助剂适用于包括不饱和聚酯、乙烯基酯、丙烯酸和环氧在内的所有拉挤树脂体系。
推荐用量
0.5-1.5 % 助剂用量（购入形式）基于填料
上述数据为经验用量，极佳用量需通过一系列试验确定。
加入方法和加工指导
为获得极佳性能，应先将该助剂加入研磨料中，然后再加入颜填料。
室温固化体系
特性和优点
该助剂通过对填料和片料的控制絮凝发挥作用，主要用于防止颗粒沉降。ANTI-TERRA-204 可使得丙烯酸体系中的填料及片料分布更加均匀。该助剂可以防止沉降，使用片料的体系可获得更加平整均匀的表面结构。
推荐应用
尤其推荐用于丙烯酸体系（PMMA于MMA中）。
推荐用量
0.5-1.5 % 助剂用量（购入形式）基于填料
上述数据为经验用量，极佳用量需通过一系列试验确定。
加入方法和加工指导
为获得极佳性能，应先将该助剂加入研磨料中，然后再加入粉料。
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