德国毕及克表面助剂.ppt

, Page *, Peter van Dam, BYK-Chemie, PGM Surface Additives Acrylic levelling additives with defoaming properties带消泡特性的丙烯酸酯流平剂 low Polarity high 低 极性 高 Molecular weight 分子量 80000 60000 40000 20000 0 BYK-392 BYK-356/355 BYK-390 BYK-354 BYK-394 BYK-381 BYK-380 BYK- 340 BYK-359 BYK-352 BYK-350 BYK-388 BYK-361/358N , Page *, Peter van Dam, BYK-Chemie, PGM Surface Additives Anti Popping Mechanism* 防爆泡机理 Additive,increases the open time, solvent can be released 助剂增加了开放时间，溶剂可以释放 Resin closes the surface, solvent remains entrapped 在接近表面的树脂，溶剂的残留带来缺陷 , Page *, Peter van Dam, BYK-Chemie, PGM Surface Additives BYK-394 mode of actionBYK-394工作模式 none polar groups orient in the interface and provide the release effect 非极性基团在表面定向，同时 提供抗粘连效果 crosslinking provides permanent effect 交联提供持久效果 no reduction in the surface tension of the wet paint 在湿膜中不会降低表面 张力 非极性基团 聚丙烯酸酯 反应基团 , Page *, Peter van Dam, BYK-Chemie, PGM Surface Additives BYK-394Foil Release Effect with a Polyester Melamine Coil Coating在聚酯氨基卷材涂料中的抗粘连效果 , Page *, Peter van Dam, BYK-Chemie, PGM Surface Additives Levelling Additives in Powder Form for Powder Coatings流平剂在粉末涂料中促进粉末形成 Silicate-based porous carrier 基于硅酸盐 的多孔性载体 Active substance (polyacrylate) 反应物质 （聚丙烯酸酯） , Page *, Peter van Dam, BYK-Chemie, PGM Surface Additives Acrylate Leveling Additives for Powder Coatings粉末涂料用的丙烯酸酯流平剂 Molecular weight 分子量 80000 60000 40000 20000 Low 低 0 Polarity 极性 High 高 BYK-363P/361N BYK-356 BYK-360P BYK-366P/359 BYK-364P BYK-368P , Page *, Peter van Dam, BYK-Chemie, PGM Surface Additives Silicones and acrylatesQ有机硅和丙烯酸酯 Silicones: 有机硅 Orient in the liquid/gas interface due to their surface activity (surfactant structure): 由于它们的表面活泼性（表面活性剂结构）在液/气界面中定向 Substrate wetting 底材润湿 Anti cratering 抗缩孔 Levelling 流平 Surface slip / Release 表面增滑