BYK Wetting dispersant DISPERBYK-2152
Model：
DISPERBYK-2152
Industry：
Composite material,Adhesive
Function：
Wetting and dispersing agent
Category：
Products
Product Details
应用信息
液体涂料
特性和优点
DISPERBYK-2152 具有高度枝化的化学结构，设计用于无溶剂环氧以及其它反应型体系，如双组份聚氨酯和酸催化体系。在颜填料的研磨过程中，助剂的聚酯侧链被压缩，同时胺基团对颜料或填料表面的附着力增加。颜料亲和基团得以吸附在颜填料表面，聚酯侧链则依然包裹胺基团，避免其与环氧树脂反应。该助剂可显著降低粘度，不会与树脂发生反应，从而获得长期贮存稳定性。DISPERBYK-2152 可良好的润湿和解絮凝颜料。该助剂相容性宽，对涂料的性能，如耐黄变、金属附着力或防腐蚀性，没有负面影响。
DISPERBYK-2152 符合德国建材产品健康评估委员会 (AgBB) 的环保要求。
推荐用于
工业涂料、木器和家具涂料、防腐涂料
推荐用量
% 助剂用量（购入形式）基于颜料
无机颜料： 5-10 %
二氧化钛： 1-3 %
有机颜料： 20-45 %
炭黑： 20-80 %
上述数据为经验用量，最佳用量需通过一系列梯度试验确定。
加入方法和加工指导
为获得最佳效果，应在加入颜料前将助剂加入研磨料中，这样可以充分发挥助剂的功效。先将研磨料的树脂和溶剂组份预混合，然后在不断搅拌下慢慢加入助剂。助剂充分分散后，再加入颜料。
室温固化体系
特性和优点
DISPERBYK-2152 具有高度枝化的化学结构，设计用于无溶剂环氧以及其它反应型体系，如双组份聚氨酯和酸催化体系。在颜填料的研磨过程中，助剂的聚酯侧链被压缩，同时胺基团对颜料或填料表面的附着力增加。颜料亲和基团得以吸附在颜填料表面，聚酯侧链则依然包裹胺基团，避免其与环氧树脂反应。该助剂可显著降低粘度，不会与树脂发生反应，从而获得长期贮存稳定性。DISPERBYK-2152可良好的润湿和解絮凝颜料。该助剂相容性宽，对耐黄变、金属附着力或防腐蚀性能没有负面影响。
DISPERBYK-2152 符合德国建材产品健康评估委员会 (AgBB) 的环保要求。
推荐用量
% 助剂用量（购入形式）基于颜料
无机颜料： 5-10 %
二氧化钛： 1-3 %
有机颜料： 20-45 %
炭黑： 20-80 %
上述数据为经验用量，最佳用量需通过一系列梯度试验确定。
加入方法和加工指导
润湿分散剂应加入到研磨料中，这是获得最佳效果的唯一方法。应先将研磨料的树脂和溶剂组份预混合，然后在不断搅拌下慢慢加入该助剂。在助剂充分分散后，再加入颜料。
胶粘剂和密封胶
特性和优点
该助剂改善无机填料的润湿分散，如碳酸钙、氢氧化铝 (ATH)，同时也适用于铝粉和氧化铝填料。该助剂可降低粘度并提高填料添加量。
推荐用于
该助剂尤其推荐用于环氧和聚氨酯胶粘剂。
推荐用量
0.5-1.5 % 助剂用量（购入形式）基于填料
加入方法和加工指导
为获得最佳效果，应在加入填料前加入助剂。
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