申请人:Dainippon Ink. and Chemicals, Inc.
公开号:US20020103316A1
公开(公告)日:2002-08-01
The invention provides a surface active agent containing fluorine, which is a copolymer composed of several ethylenic unsaturated monomers containing a fluorinated alkyl group, a silicone chain, and a polyoxyalkylene group, and the surface loss energy of which is less than 110×10
−5
mJ in an organic solvent. The copolymer of the surface active agent is soluble to water and in various organic solvents, and has a good compatibility with other ingredients used to form the coating compositions. The present surface active agent reduces the dynamic surface tension of the coating composition, and thereby, have a good foam-preventing property, coating compositions containing the present surface active agent yield coated films with uniform and smooth level surfaces without forming irregularity and striation even by coating operations at high speed and high shearing force.
本发明提供了一种含氟表面活性剂,它是由含有氟化烷基、硅酮链和聚氧亚烷基的几种乙烯基不饱和单体组成的共聚物,其表面损失能小于 110×10
-5
mJ。表面活性剂的共聚物可溶于水和各种有机溶剂,与用于形成涂料组合物的其他成分具有良好的相容性。本表面活性剂可降低涂料组合物的动态表面张力,从而具有良好的防泡沫性能,即使在高速和高剪切力下进行涂布操作,含有本表面活性剂的涂料组合物也能生成表面均匀光滑平整的涂膜,而不会形成不规则和条纹。