CN108329771A - 一种高疏水性复合涂层及其制备方法与应用、疏水性制品 - Google Patents
一种高疏水性复合涂层及其制备方法与应用、疏水性制品 Download PDFInfo
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Abstract
本发明涉及一种高疏水性复合涂层及其制备方法与应用、疏水性制品,属于材料领域。该高疏水性复合涂层的原料包括基体涂层以及浸泡液,至少一部分浸泡液分散于基体涂层。浸泡液的成分包括水、疏水性有机高分子乳液以及用于溶解疏水性有机高分子乳液的溶剂。该高疏水性复合涂层疏水性高,耐刮蹭性能良好。其制备方法包括:于浸泡液中浸泡基体涂层,然后烘烤。此方法不涉及电化学反应,工艺过程相对简单,易操作,耗时短,制备过程中无废气废水等产物,对环境友好。上述高疏水性复合涂层可用作或用于制作防覆冰涂层、抗菌涂层、防雾涂层和自清洁纺织物。本发明涉及的含有上述高疏水性复合涂层的疏水性制品,也具有较高的疏水性以及耐刮蹭性。
Description
技术领域
本发明涉及材料领域,且特别涉及一种高疏水性复合涂层及其制备方法与应用、疏水性制品。
背景技术
润湿性是固体表面最重要的性质之一。根据水对固体表面润湿性的不同,可将其分为亲水性表面和疏水性表面。亲水性是指材料分子能够通过氢键和水形成短暂键结的物理性质。水滴会在亲水表面铺展开,占据尽可能大的表面,水的接触角显著降低,使其完全润湿。疏水性是指材料与水相互排斥的一种物理性质,由于水滴被排斥,使得水滴不会接触材料表面的很大区域,水滴在材料表面呈现近乎球形或球形,即水的接触角非常大。疏水性和亲水性可以通过测量水滴接触材料表面的角度来进行评价。表面对水的接触角大于90°通常指疏水表面,而表面对水的接触角大于150°,通常被称为超疏水表面。材料表面对水的接触角越大,疏水性越好。
自然界观察到疏水现象和自清洁表面最典型的是“荷叶效应”。荷叶表面是一个自清洁的疏水表面,由两层构成,下层为微米尺度的粗糙结构层,上面覆盖着疏水蜡质层。实际研究表明,表面展现高疏水性能的核心因素是微纳米粗糙结构和低表面能。
为了获得高疏水表面,人们提出了许多制备高疏水表面的方法。如溶胶凝胶法、层层自组装法、模板法、刻蚀法以及化学沉积法等。例如,溶胶-凝胶法是指将原料分散在溶剂中,原料经过水解生成活性单体,活性单体缩聚形成溶胶,再经过处理形成凝胶。层层自组装法是指自组装材料的层与层之间通过静电作用、共价键、氢键、电荷等相互作用连在一起,该方法制备效率低。模版法是制备纳米疏水薄膜的一种重要技术,可对所制备薄膜的尺寸、结构、排列及形貌进行调控,进而获得特殊的超疏水性能,但该方法制备存在工艺复杂、制备面积小、实际服役时间过短的问题。刻蚀法、化学沉积法的工艺过程涉及到多种电化学反应,环保要求很高。仅仅采用低表面能的有机聚合物形成的疏水表面具有非常差的耐刮蹭性能。
人们为了提高其耐刮蹭性能,在有机聚合物中加入了SiO2、Al2O3等硬质颗粒,但这种疏水表面由于硬质颗粒是镶嵌在有机聚合物中,同样会因为有机物磨损而很快脱落,对耐刮蹭性能提高不大。
发明内容
本发明的目的之一在于提供一种高疏水性复合涂层,该高疏水性复合涂层疏水性高,耐刮蹭性能良好。
本发明的目的之二在于提供一种上述高疏水性复合涂层的制备方法,此方法不涉及电化学反应,工艺过程相对简单,易操作,耗时短,制备过程中无废气废水等产物,对环境友好。
本发明的目的之三在于提供一种上述高疏水性复合涂层的应用,例如可将其用作或用于制作防覆冰涂层、抗菌涂层、防雾涂层和自清洁纺织物。
本发明的目的之四在于提供一种含有上述高疏水性复合涂层的疏水性制品。
本发明解决其技术问题是采用以下技术方案来实现的:
本发明提出一种高疏水性复合涂层,其原料包括基体涂层以及浸泡液,至少一部分浸泡液分散于基体涂层。
浸泡液的成分包括水、疏水性有机高分子乳液以及用于溶解疏水性有机高分子乳液的溶剂。
本发明还提出一种高疏水性复合涂层的制备方法,包括以下步骤:于浸泡液中浸泡基体涂层,然后烘烤。
优选地,浸泡时间为15-30s。
优选地,烘烤于250-350℃的条件下处理5-15min。
本发明还提出一种上述高疏水性复合涂层的应用,例如可将其用作或用于制作防覆冰涂层、抗菌涂层、防雾涂层和自清洁纺织物。
本发明还提出一种疏水性制品,该疏水性制品含有高疏水性复合涂层。
本发明较佳实施例提供的高疏水性复合涂层及其制备方法与应用、疏水性制品的有益效果是:
基体涂层一方面能够为聚四氟乙烯乳液提供浸渗空间,另一方面能够提供具有微纳米凸起结构的表面。通过将含有疏水性有机高分子乳液的浸泡液分散于基体涂层,可使基体涂层不同于硬质颗粒镶嵌,避免因有机物磨掉而脱落的问题,具有较好的耐刮蹭性能。
本发明较佳实施例提供的高疏水性复合涂层,其原料来源广、便宜,疏水性高,耐刮蹭性能良好。其制备方法不涉及电化学反应,工艺过程相对简单,易操作,耗时短,制备过程中无废气废水等产物,对环境友好。应用方面可将其用作或用于制作防覆冰涂层、抗菌涂层、防雾涂层和自清洁纺织物,适用范围广。含有上述高疏水性复合涂层的疏水性制品,也具有较高的疏水性以及耐刮蹭性。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案,以下将对实施例或现有技术描述中所需要使用的附图作简单地介绍。
图1为本发明实施例提供的高疏水性复合涂层的结构示意图;
图2为本发明实施例提供的基体涂层中的微纳米凸起结构的结构示意图;
图3为试验例1中对照组1的合金基体的润湿角测试图;
图4为试验例1中实施例1的高疏水性复合涂层的润湿角测试图。
图5为试验例中机理部分所提及的接触角示意图。
具体实施方式
为使本发明实施例的目的、技术方案和优点更加清楚,下面将对本发明实施例中的技术方案进行清楚、完整地描述。实施例中未注明具体条件者,按照常规条件或制造商建议的条件进行。所用试剂或仪器未注明生产厂商者,均为可以通过市售购买获得的常规产品。
下面对本发明实施例的高疏水性复合涂层及其制备方法与应用、疏水性制品进行具体说明。
本发明实施例提供的高疏水性复合涂层,其原料主要包括基体涂层以及浸泡液,在高疏水性复合涂层中,至少一部分浸泡液分散于基体涂层。
具体地,本发明实施例中的基体涂层包括位于表面的微纳米凸起结构和位于内部的陶瓷骨架结构,陶瓷骨架结构具有多个相互连通的孔隙。相应地,高疏水性复合涂层中,至少一部分浸泡液分散于微纳米凸起结构和/或陶瓷骨架结构,也即至少一部分浸泡液浸渗到基体涂层的内部的陶瓷骨架结构的相互连通孔隙中和/或保留在具有微纳米凸起结构的基体涂层表面。
作为可选地,本发明实施例中的浸泡液的成分例如可以包括水、疏水性有机高分子乳液以及用于溶解疏水性有机高分子乳液的溶剂。
其中,疏水性有机高分子乳液例如可以包括聚四氟乙烯乳液 (PTFE)、全氟烷基乙烯基醚共聚物乳液、聚全氟乙丙烯乳液、聚醚醚酮乳液和十四酸乳液中的至少一种。上述疏水性有机高分子乳液材料的表面为非极性官能团,具有非常低的比表面能,与水之间无法形成氢键结合,相互排斥,宏观上表现为疏水性。
可选地,上述疏水性有机高分子乳液优选为聚四氟乙烯乳液,该物质易得且无毒,具有良好的耐高温特点,应用性能较佳、适用范围较广。溶剂优选为乙醇(无水乙醇),选用乙醇可提高疏水性有机高分子乳液的分散性,使其与水能够较均匀的混合。
进一步,本发明实施例中的浸泡液例如可包括体积比为40-60: 5-15:25-55的疏水性有机高分子乳液、溶剂以及水。在此配比范围内,配置所得的浸泡液在沉积于微纳米凸起结构和/或陶瓷骨架结构后能够有效降低材料表面的表面能,从而提高材料的疏水性能。
承上,本发明实施例中的高疏水性复合涂层的高疏水性能主要由以下两方面配合获得:一是表面由陶瓷骨架涂层提供微纳米尺度的粗糙结构;二是通过有机高分子乳液固化后,存在于陶瓷骨架结构的内部空隙和基体涂层表面,使材料表面具有非常低的表面能。
可参照地,本发明实施例的高疏水性复合涂层的制备方法可包括以下步骤:于浸泡液中浸泡基体涂层,然后烘烤。
其中,基体涂层的制备方法包括:于基体的表面沉积氧化物粉。氧化物粉末包括氧化物陶瓷粉。优选地,沉积采用等离子喷涂-物理气相沉积方法,在一定压力环境下进行等离子喷涂,氧化物陶瓷粉末进入等离子射流后实现蒸发,形成气相或气相为主的复相,进行涂层沉积,以获得表面具有微纳米凸起结构、内部具有相互连通孔隙的基体涂层。
较佳地,在喷涂前,可对基体表面进行研磨、抛光和清洗,保持表面洁净,表面粗糙度Ra<2μm。
优选地,喷涂以及沉积过程中,氧化物粉的送粉率为5-15g/min,此送粉率范围内一方面能够使氧化物粉以适当的速度均匀沉积于基体表面,另一方面能够使氧化物粉沉积较为平整,保持性能一致。
作为可选地,喷涂电流为2300-2700A和/或喷涂功率为 110-135kW和/或喷涂距离为800-1200mm和/或等离子焰流吹扫时间为3-15min和/或等离子工作气体为Ar和He。优选地,Ar和He的流量分别为25-40L/min和55-75L/min。进一步地,喷涂过程中基体温度优选为650-950℃。
物理气相沉积的条件包括:沉积压力不高于150Pa和/或氧气流量为1-3L/min和/或沉积厚度为50-200μm。
具体步骤可参照:将基体固定到真空室内的工件运动台上;关闭真空室,抽真空,直到真空室的压力≤150Pa;在真空室的压力≤150Pa、氧气流量1-3L/min条件下,送入陶瓷层粉末,等离子焰流吹扫 3-15min,制得具有微纳米凸起结构的基体涂层。
优选地,基体涂层在浸泡液中的浸泡时间可以为15-30s。基体涂层在此过程中起到非常重要的两个作用,一是提供聚四氟乙烯乳液的浸渗空间,二是提供具有微纳米凸起结构的表面。通过将含有聚四氟乙烯乳液的浸泡液浸渗于基体涂层的内部的陶瓷骨架结构的相互连通孔隙中和/或保留在具有微纳米凸起结构的基体涂层表面,从而使基体涂层不同于硬质颗粒镶嵌,不会因为有机物磨掉而很快脱落,因此,具有更好的耐刮蹭性能。
优选地,烘烤可于250-350℃的条件下处理5-15min。例如可将浸泡后的基体涂层放置于真空炉中进行热处理,喷涂面朝上,烘烤,然后随炉冷却取出即可。
承上,本发明实施例提供的高疏水性复合涂层的制备方法不涉及电化学反应,工艺过程相对简单,易操作,耗时短,制备过程中无废气废水等产物,对环境友好。
本发明实施例还提供了一种上述高疏水性复合涂层的应用,例如可以将其直接用作或间接用于制作防覆冰涂层、抗菌涂层、防雾涂层和自清洁纺织物。也可以在国防、工农业生产和人们日常生活中用于桥梁、天线、门窗防积雪,船、潜艇等外壳降低阻力,石油输送管道内壁,微量注射器针头防止粘附堵塞,纺织品、皮革制品的防水、防污等。
此外,本发明实施例还提供了一种疏水性制品,该疏水性制品含有上述所涉及的高疏水性复合涂层。作为可选地,疏水性制品例如可以为防覆冰涂层、抗菌涂层、防雾涂层或自清洁纺织物,也可以为其它具有疏水性的产品。
以下结合实施例对本发明的特征和性能作进一步的详细描述。
实施例1
准备基体,对高温合金K417G基体表面进行研磨、抛光和清洗,保持表面洁净,表面粗糙度Ra=0.5μm。将基体固定到真空室内的工件运动台上;关闭真空室,抽真空,直到真空室的压力达到150Pa;在真空室的压力150Pa、氧气流量2L/min条件下,送入氧化物陶瓷粉末,粉末材料选用氧化锆陶瓷粉末(团聚球形粉末,粒径30±1μm,成分如下表)。喷涂电流为2600A,功率为122kW,等离子工作气体为Ar、He,流量分别为35L/min和60L/min,基体温度在850-900℃间轻微波动,送粉率10g/min,喷涂距离为950mm,等离子焰流吹扫 7min;制得厚度为150μm的基体涂层。该基体涂层包括位于表面的微纳米凸起结构和位于内部的陶瓷骨架结构,陶瓷骨架结构具有多个相互连通的孔隙。
将聚四氟乙烯乳液、无水乙醇、去离子水按50:10:40的体积比配制成浸泡液,将基体涂层在浸泡液中浸泡20s;把浸泡后的基体涂层放置在真空炉中进行热处理,喷涂面朝上,300℃烘烤12min后,随炉冷却取出。制备结束,获得具有微纳米凸起结构以及陶瓷骨架结构的高疏水性、良好耐刮蹭性能的高疏水性复合涂层。
上述氧化锆陶瓷粉末的成分如下:
成分 | ZrO2 | Y2O3 | HfO2 | 粘结剂 | 杂质 |
重量百分比 | 余量 | 7.5 | <2.5 | 1 | <0.1 |
实施例2
准备基体,对耐高温310S不锈钢(0Cr25Ni20钢)基体表面进行研磨、抛光和清洗,保持表面洁净,表面粗糙度Ra=0.8μm。将基体固定到真空室内的工件运动台上;关闭真空室,抽真空,直到真空室的压力达到100Pa;在真空室的压力100Pa、氧气流量1.5L/min条件下,送入氧化物陶瓷粉末,粉末材料选用氧化锆陶瓷粉末(此氧化锆陶瓷粉末与实施例1中的一致)。喷涂电流为2450A,功率为117.6kW,等离子工作气体为Ar、He,流量分别为30L/min和70L/min,基体温度在800-850℃间轻微波动,送粉率7.5g/min,喷涂距离为 950mm,等离子焰流吹扫10min;制得厚度为130μm的基体涂层。该基体涂层包括位于表面的微纳米凸起结构和位于内部的陶瓷骨架结构,陶瓷骨架结构具有多个相互连通的孔隙。
将聚四氟乙烯乳液、无水乙醇、去离子水按45:5:50的体积比配制成浸泡液,将基体涂层在浸泡液中浸泡15s;把浸泡后的基体涂层放置在真空炉中进行热处理,喷涂面朝上,300℃烘烤10min后,随炉冷却取出。制备结束,获得具有微纳米凸起结构以及陶瓷骨架结构的高疏水性、良好耐刮蹭性能的高疏水性复合涂层。
实施例3
准备基体,对氧化铝陶瓷基体表面进行研磨、抛光和清洗,保持表面洁净,表面粗糙度Ra=0.7μm。将基体固定到真空室内的工件运动台上;关闭真空室,抽真空,直到真空室的压力达到150Pa;在真空室的压力150Pa、氧气流量1.5L/min条件下,送入氧化物陶瓷粉末,粉末材料选用锆酸镧陶瓷粉末(团聚球形粉末,粒径30±1μm,成分如下表)。喷涂电流为2500A,功率为120kW,等离子工作气体为 Ar、He,流量分别为40L/min和60L/min,基体温度在850℃轻微波动,送粉率5g/min,喷涂距离为1000mm,等离子焰流吹扫15min;制得厚度为90μm的基体涂层。该基体涂层包括位于表面的微纳米凸起结构和位于内部的陶瓷骨架结构,陶瓷骨架结构具有多个相互连通的孔隙。
将聚四氟乙烯乳液、无水乙醇、去离子水按50:5:45的体积比配制成浸泡液,将基体涂层在浸泡液中浸泡20s;把浸泡后的基体涂层放置在真空炉中进行热处理,喷涂面朝上,350℃烘烤8min后,随炉冷却取出。制备结束,获得具有微纳米凸起结构以及陶瓷骨架结构的高疏水性、良好耐刮蹭性能的高疏水性复合涂层。
上述锆酸镧陶瓷粉末的成分如下:
成分 | La2Zr2O7 | 粘结剂 | 杂质 |
重量百分比 | 余量 | <1 | <0.2 |
实施例4
准备基体,对高温合金K417G基体表面进行研磨、抛光和清洗,保持表面洁净,表面粗糙度Ra=1.5μm。将基体固定到真空室内的工件运动台上;关闭真空室,抽真空,直到真空室的压力达到120Pa;在真空室的压力120Pa、氧气流量1L/min条件下,送入氧化物陶瓷粉末,粉末材料选用氧化锆陶瓷粉末(同实施例1)。喷涂电流为 2300A,功率为110kW,等离子工作气体为Ar、He,流量分别为 25L/min和55L/min,基体温度在650℃轻微波动,送粉率10g/min,喷涂距离为800mm,等离子焰流吹扫3min;制得厚度为50μm的基体涂层。该基体涂层包括位于表面的微纳米凸起结构和位于内部的陶瓷骨架结构,陶瓷骨架结构具有多个相互连通的孔隙。
将全氟烷基乙烯基醚共聚物乳液、无水乙醇、去离子水按40:5: 55的体积比配制成浸泡液,将基体涂层在浸泡液中浸泡30s;把浸泡后的基体涂层放置在真空炉中进行热处理,喷涂面朝上,250℃烘烤15min后,随炉冷却取出。制备结束,获得具有微纳米凸起结构以及陶瓷骨架结构的高疏水性、良好耐刮蹭性能的高疏水性复合涂层。
实施例5
准备基体,对氧化铝陶瓷基体表面进行研磨、抛光和清洗,保持表面洁净,表面粗糙度Ra=1μm。将基体固定到真空室内的工件运动台上;关闭真空室,抽真空,直到真空室的压力达到100Pa;在真空室的压力100Pa、氧气流量3L/min条件下,送入氧化物陶瓷粉末,粉末材料选用锆酸镧陶瓷粉末(同实施例3)。喷涂电流为2700A,功率为135kW,等离子工作气体为Ar、He,流量分别为40L/min和 75L/min,基体温度在950℃轻微波动,送粉率15g/min,喷涂距离为 1200mm,等离子焰流吹扫10min;制得厚度为200μm的基体涂层。该基体涂层包括位于表面的微纳米凸起结构和位于内部的陶瓷骨架结构,陶瓷骨架结构具有多个相互连通的孔隙。
将聚全氟乙丙烯乳液、无水乙醇、去离子水按60:15:25的体积比配制成浸泡液,将基体涂层在浸泡液中浸泡20s;把浸泡后的基体涂层放置在真空炉中进行热处理,喷涂面朝上,300℃烘烤5min 后,随炉冷却取出。制备结束,获得具有微纳米凸起结构以及陶瓷骨架结构的高疏水性、良好耐刮蹭性能的高疏水性复合涂层。
实施例6
本实施例与实施例4的区别在于:疏水性有机高分子乳液为聚四氟乙烯乳液与聚醚醚酮乳液的混合乳液。
实施例7
本实施例与实施例5的区别在于:疏水性有机高分子乳液为聚四氟乙烯乳液、十四酸乳液与聚全氟乙丙烯乳液的混合乳液。
实施例8
本实施例提供一种高疏水性复合涂层的应用,即将其用于制作防覆冰涂层,高疏水性复合涂层可参照上述实施例1-7。
实施例9
本实施例提供一种高疏水性复合涂层的应用,即将其用作抗菌涂层,高疏水性复合涂层可参照上述实施例1-7。
实施例10
本实施例提供一种高疏水性复合涂层的应用,即将其用于制作纺织品,高疏水性复合涂层可参照上述实施例1-7。
实施例11
本实施例提供一种疏水性制品(石油输送管道),该疏水性制品含有高疏水性复合涂层,高疏水性复合涂层可参照实施例1-7。
实施例12
本实施例提供一种疏水性制品(微量注射器针头),该疏水性制品含有高疏水性复合涂层,高疏水性复合涂层可参照实施例1-7。
试验例
重复实施上述实施例1-7,得到足够多的高疏水性复合涂层。其结构示意图如图1所示,基体涂层包括位于表面的微纳米凸起结构和位于内部的陶瓷骨架结构,陶瓷骨架结构具有多个相互连通的孔隙,基体涂层覆盖于基体表面。微纳米凸起结构参照图2。
以实施例1-3的高疏水性复合涂层为例,分别设置对照组1-3,对照组1-3与实施例1-3的区别在于前者无涂层,后者有涂层。参照涂层/水静态接触角测量机理和方法对实施例1-3以及对照组1-3的物质的润湿角进行测定,其结果如表1以及图3及图4所示。其中,图3为对照组1的合金基体的润湿角测试图,图4为实施例1的高疏水性复合涂层的润湿角测试图。
机理:当液滴于固体表面达到平衡状态时,固-液-气三相相互接 触,将气-液界面处的切线与固体界面间的夹角称为液滴在此固体表 面的静态接触角,如图5中θ,图5为接触角示意图。涂层的润湿性 用液滴在其表面的静态接触角来表征。
方法:采用OCA40Micro型接触角测试仪的悬滴法来测量涂层与水的静态接触角,将样品置于样品台上,将待测液滴悬滴于样品表面后,调整焦距,系统将自动捕抓影像,通过系统软件自动分析和测量出水与涂层表面的静态接触角大小。
表1润湿角测定结果
实施例1 | 对照组1 | 实施例2 | 对照组2 | 实施例3 | 对照组3 | |
润湿角 | 116.7° | 52.3° | 112.3° | 46° | 114.2° | 44.6° |
结合图3、图4以及表1可以看出,本发明实施例提供的高疏水性复合涂层较无涂层的对照组的润湿角明显更大,说明本发明实施例提供的高疏水性复合涂层具有优异的疏水性能。
此外,通过对比,实施例1-3分别较对照组1-3的耐刮蹭性能能够提高60-80%。
另,实施例4-7所得的高疏水性复合涂层也对应较无涂层的合金基体的润湿角更大,疏水性能和耐刮蹭性能均明显更高。
综上所述,本发明实施例提供的高疏水性复合涂层疏水性高,耐刮蹭性能良好。其制备方法不涉及电化学反应,工艺过程相对简单,易操作,耗时短,制备过程中无废气废水等产物,对环境友好。可将其用作或用于制作防覆冰涂层、抗菌涂层、防雾涂层和自清洁纺织物。含有上述高疏水性复合涂层的疏水性制品,也具有较高的疏水性以及耐刮蹭性。
以上所描述的实施例是本发明一部分实施例,而不是全部的实施例。本发明的实施例的详细描述并非旨在限制要求保护的本发明的范围,而是仅仅表示本发明的选定实施例。基于本发明中的实施例,本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
Claims (10)
1.一种高疏水性复合涂层,其特征在于,其原料包括基体涂层以及浸泡液,至少一部分所述浸泡液分散于所述基体涂层;
所述浸泡液的成分包括水、疏水性有机高分子乳液以及用于溶解所述疏水性有机高分子乳液的溶剂。
2.根据权利要求1所述的高疏水性复合涂层,其特征在于,所述基体涂层包括位于表面的微纳米凸起结构和位于内部的陶瓷骨架结构,所述陶瓷骨架结构具有多个相互连通的孔隙;
至少一部分所述浸泡液分散于所述微纳米凸起结构和/或所述陶瓷骨架结构。
3.根据权利要求1所述的高疏水性复合涂层,其特征在于,所述疏水性有机高分子乳液包括聚四氟乙烯乳液、全氟烷基乙烯基醚共聚物乳液、聚全氟乙丙烯乳液、聚醚醚酮乳液和十四酸乳液中的至少一种。
4.根据权利要求1所述的高疏水性复合涂层,其特征在于,所述浸泡液包括体积比为40-60:5-15:25-55的所述疏水性有机高分子乳液、所述溶剂以及水;
优选地,所述疏水性有机高分子乳液为聚四氟乙烯乳液;
优选地,所述溶剂为乙醇。
5.一种如权利要求1-4任一项所述高疏水性复合涂层的制备方法,其特征在于,包括以下步骤:于所述浸泡液中浸泡所述基体涂层,然后烘烤;
优选地,浸泡时间为15-30s;
优选地,烘烤于250-350℃的条件下处理5-15min。
6.根据权利要求5所述的制备方法,其特征在于,所述基体涂层的制备方法包括:于基体的表面沉积氧化物粉;
优选地,所述氧化物粉末包括氧化物陶瓷粉;
优选地,沉积采用等离子喷涂-物理气相沉积方法;
优选地,所述氧化物粉的送粉率为5-15g/min。
7.根据权利要求5所述的制备方法,其特征在于,等离子喷涂的条件包括:喷涂电流为2300-2700A和/或喷涂功率为110-135kW和/或喷涂距离为800-1200mm和/或等离子焰流吹扫时间为3-15min和/或等离子工作气体为Ar和He;
优选地,所述Ar和所述He的流量分别为25-40L/min和55-75L/min。
8.根据权利要求5所述的制备方法,其特征在于,物理气相沉积的条件包括:沉积压力不高于150Pa和/或氧气流量为1-3L/min和/或沉积厚度为50-200μm。
9.如权利要求1-4任一项所述的高疏水性复合涂层的应用,其特征在于,所述高疏水性复合涂层用作或用于制作防覆冰涂层、抗菌涂层、防雾涂层和自清洁纺织物。
10.一种疏水性制品,其特征在于,所述疏水性制品含有如权利要求1-4任一项的高疏水性复合涂层。
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