The invention belongs to the technical field of organic fluorine materials, in particular to a waterborne organic fluorine coating. It consists of a mixture of water, pigments and fillers, dispersants, fungicides and defoamers mixed with grinding paste, VDF / TEF / HFP three copolymer emulsion, thickener and composite film builder, characterized by VDF / TEF / HFP three copolymer emulsion and polyacrylate emulsion; color paste, three yuan. The compositions of solid emulsion, polyacrylic acid emulsion and thickener were 6~16, 15~20, 1.5 - 5 and 0.075 - 0.225 respectively. Thickening agents were hydroxyethyl cellulose, acrylic thickening agent or polyurethane thickening agent. It needs no curing agent, no primer, and curing temperature is 120 ~ 130 C. It has excellent weather resistance and stain resistance, and is easy to bond a variety of elastomers and plastics, especially for PVC. The utility model can be widely applied to the outer coating of various kinds of cloth, the outdoor lamp box advertisement and the outer layer of artificial leather.
【技术实现步骤摘要】
一种水性氟涂料
本专利技术属于有机氟材料
,特别涉及一种水性有机氟涂料。
技术介绍
水性有机氟涂料包括聚四氟乙烯、四氟乙烯-六氟丙烯(FEP),四氟乙烯-全氟烷基醚(PFA)等水分散氟涂料,它们已在防粘和耐腐蚀方面获得较多的应用。但是这类水分散氟涂料的成膜温度高,需要高温烘烤,仅限于特种场合使用。
技术实现思路
本专利技术的目的可以通过以下技术方案来实现:一种水性氟涂料,包括由水、颜填料、分散剂、防霉杀菌剂、增稠剂和消泡剂混合研磨的色浆,偏氟乙烯-四氟乙烯-六氟丙烯(VDF/TEF/HFP)三元共聚物乳液,聚丙烯酸酯乳液、增稠剂和复合成膜助剂。其特征是VDF/TEF/HFP三元共聚物乳液与聚丙烯酸酯乳液拼合;色浆,三元共聚物乳液,聚丙烯酸乳液和增稠剂的组份分别为6-16份(固体份),15~20份(固体份),1.5~5.0份(固体份)和0.075~0.225份(固体份);所述的水性氟涂料,特征是增稠剂为羟乙基纤维素(HEC),丙烯酸增稠剂(HASE)和聚氨酯缔合增稠剂(HEUR)一种或二种以上的组合物;所述的水性氟涂料,特征是色浆为颜填料,如钛白粉、氧化铁黄、酞菁蓝、碳黑等,加入DEUCHEM公司的920分散剂、2-氨基-2甲基-1-丙醇(AMP-95)共分散剂,配入防霉杀菌剂,消泡剂混合、研磨成浆,色浆的细度≤15μm,粘度30~35S,固体含量40~50%。所述的水性氟涂料,特征是增稠剂HEC和HASE为水溶液,HEUR为有机溶液;所述的水性涂料,特征是复合成膜剂为乙二醇丁醚和丙二醇甲醚醋酸酯。以下是本专利技术制备的水性氟涂料及涂膜性能测试结果:固体含 ...
【技术保护点】
1.一种水性氟涂料,包括由水、颜填料、分散剂、防霉杀菌剂和消泡剂混 合研磨的色浆,VDF/TEF/HFP三元共聚物乳液,增稠剂和复合成膜助剂,其 特征是VDF/TEF/HFP三元共聚物乳液与聚丙烯酸酯乳液拼合;色浆,三元 共聚物乳液,聚丙烯酸酯乳液和增稠剂的组份(固体份)分别为6~16份,15~20 份,1.5~5.0份和0.075~0.225份。
【技术特征摘要】
1.一种水性氟涂料,包括由水、颜填料、分散剂、防霉杀菌剂和消泡剂混合研磨的色浆,VDF/TEF/HFP三元共聚物乳液,增稠剂和复合成膜助剂,其特征是VDF/TEF/HFP三元共聚物乳液与聚丙烯酸酯乳液拼合;色浆,三元共聚物乳液,聚丙烯酸酯乳液和增稠剂的组份(固体份)分别为6~16份,15~20份,1.5~5.0份和0.075~0.225份。2.根据权利要求1所述的水性氟涂料,特征是增稠剂为...
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