BYK Wetting dispersant BYK-220SN
Model：
BYK-220SN
Industry：
Composite material,Adhesive
Function：
Wetting and dispersing agent
Category：
Products
Product Details
应用领域
常温固化塑料体系
特性和优点
BYK-220 SN 能改善所有传统填料的分散，例如碳酸钙和氢氧化铝。它能降低填充树脂的粘度，从而提高填料的添加量。在大多数情况下，储存过程和加工过程中填料的沉降可大幅减少。BYK-220 SN适用于胶衣中颜料分散的稳定。该助剂还含有少量聚硅氧烷共聚物，以改善浮色发花现象。这一成分可防止贝纳德漩涡的形成，并增进表面滑爽和流平。
推荐用途
该助剂特别推荐用于不饱和聚酯树脂、胶衣、丙烯酸、聚氨酯和环氧树脂，在所有应用领域都表现出了最高效的性能。
建议用量
0.5-1.5%助剂（购入形式）基于填料。
以上推荐添加量供参考，最佳添加量需经过一系列试验确定。
加入方法及加工指导
为了获得最佳性能，助剂应当在添加固体物料之前加入。
涂料工业
特性和优点
该助剂可提供一种所希望的、颜料的受控絮凝，这一体系在各个颜料颗粒之间架起桥梁，从而形成三维网络结构。颜料的这种受控絮凝有效防止了浮色发花以及沉降和流挂。
BYK-220 SN适用于工业涂料和建筑涂料中颜料的分散稳定。它能提高光泽，防止发花，以及降低研磨料的粘度。该助剂还含有少量聚硅氧烷共聚物，以改善浮色发花现象。这一成分可防止贝纳德漩涡的形成，增进表面滑爽和流平，及消光粉和铝粉颜料的定向。在大多数情况下无需另外添加常规配方中所必须使用的有机硅助剂。
建议用量
助剂用量（购入形式）基于：
无机颜料: 3-10 %
钛白粉: 1-3 %
有机颜料: 8-16 %
以上推荐添加量供参考，最佳添加量需经过一系列试验确定。
加入方法及加工指导
为了获得最佳性能，助剂必须先加入研磨料中，然后再投入颜料。
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