CN108383500A - 一种石墨烯增强陶瓷涂层及其制备方法 - Google Patents
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Abstract
本发明公开了一种石墨烯增强陶瓷涂层及其制备方法,按重量百分比计,主要由以下原料制备得到:改性石墨烯:0.5%‑20%,负离子粉30%‑50%,陶瓷粉10%‑60%,烧结助剂5%‑15%,该石墨烯增强陶瓷涂层具有半导体性能,且具有抑菌杀菌,机械性能强的优点,可广泛应用于传感器、导热材料、电容材料中。
Description
技术领域
本发明涉及一种陶瓷涂层,尤其涉及一种石墨烯增强陶瓷涂层。
背景技术
随着社会的发展,人们对于陶瓷的需求不再满足单一的功能,比如外观美观、光滑等,于是出现了一种功能陶瓷,这种陶瓷不论从外观还是从其优异的功能上都具有普通陶瓷不可比拟的优势。功能陶瓷包括基体和涂层两部分,涂层覆盖在基体表面,能够改变陶瓷表面的形状、颜色、化学结构,赋予其丰富的性能,例如耐磨、耐高温等。
专利(CN 107445654 A)公开了一种功能陶瓷涂料,其加入了石墨成分,制备得到具有抑菌杀菌的功能陶瓷,但是石墨为无机物,很难与陶瓷粉进行充分混合,采用其作为原料,制备出来的涂层易出现混合不均匀,综合性能差的缺点。
发明内容
本发明的目的旨在提供一种石墨烯增强陶瓷涂层,该陶瓷涂层加入石墨烯,石墨烯相对于石墨具备单层结构,具有良好的导电、导热功能。
本发明通过如下的技术方案来实现上述的目的:
一种陶瓷化工配方,由以下按重量份的材料制成:
一种石墨烯增强陶瓷涂层,按重量百分比计,主要由以下原料制备得到:改性石墨烯:0.5%-20%,负离子粉30%-50%,陶瓷粉10%-60%,烧结助剂5%-15%。
其中,陶瓷粉包括:Co2O3 、Ti2O3、Fe2O3、纳米银、粘土。
其中,改性石墨烯包括:水性钛酸酯改性石墨烯、十六烷基三甲基溴化铵改性石墨烯。
一种石墨烯增强陶瓷涂层的制备方法,将改性石墨烯、负离子粉、陶瓷粉、烧结助剂混合后加入到无水乙醇中,混合均匀后超声分散,结束后对分散液用球磨机球磨均匀,过筛后喷涂在基体表面,得到石墨烯增强陶瓷涂层。
进一步的,一种石墨烯增强陶瓷涂层的制备方法,其特征在于,将改性石墨烯、负离子粉、陶瓷粉、烧结助剂混合后加入到无水乙醇中后,进一步加入NaCl,然后混合均匀后超声分散。
本发明涉及的石墨烯增强陶瓷涂层采用石墨烯添加到陶瓷原料中,石墨烯具有单层结构,具有高导电性、高机械性能,其经过改性处理后,可均匀的分布于有机溶剂中,再将混合均匀的石墨烯溶液与陶瓷粉混合,能够实现石墨烯在陶瓷粉中的均匀混合,实现导电性均匀,机械性能良好,同时该石墨烯增强陶瓷涂层加入负离子粉和纳米银,制备得到的石墨烯增强陶瓷涂层具备抗菌抑菌,净化空气的功效。
本发明进一步提供了一种石墨烯增强陶瓷涂层的制备方法,该方法包括将将改性石墨烯、负离子粉、陶瓷粉、烧结助剂混合后加入到无水乙醇中,混合均匀后超声分散,结束后对分散液用球磨机球磨均匀,过筛后喷涂在基体表面,得到石墨烯增强陶瓷涂层,该方法简便易得,加工成本低,进一步的,在改性石墨烯、负离子粉、陶瓷粉、烧结助剂混合后加入到无水乙醇中后,进一步加入NaCl,然后混合均匀后超声分散,加入的NaCl无机离子能够有效的阻止改性石墨烯在混合液中重新叠加,变为多层结构,导致涂层导电性下降。
具体实施方式
下面结合具体实施方式对本发明实施例中的技术方案进行清楚、完整的描述。应当理解,此处所描述的具体实施例仅仅用以解释本发明,并不用于限定本发明。
实施方式一:
本实施方式的一种石墨烯增强陶瓷涂层由按重量份的下述原料构成:水性钛酸酯改性石墨烯:5%,负离子粉30%,陶瓷粉60%,烧结助剂5%,将上述原料混合均匀,可采用机械搅拌方法混合,将混合均匀的原料加入无水乙醇中,无水乙醇与混合原料的比例为20:1,超声分散,结束后对分散液用球磨机球磨均匀,过筛后喷涂在基体表面,得到石墨烯增强陶瓷涂层。
实施方式二:
本实施方式的一种石墨烯增强陶瓷涂层由按重量份的下述原料构成:水性钛酸酯改性石墨烯10%,负离子粉20%,陶瓷粉55%,烧结助剂15%,将上述原料混合均匀,可采用机械搅拌方法混合,将混合均匀的原料加入无水乙醇中,再加入NaCl,NaCl与改性石墨烯的重量份比例为0.3:1,再加入重量份的无水乙醇与混合原料的比例为30:1,超声分散,结束后对分散液用球磨机球磨均匀,过筛后喷涂在基体表面,得到石墨烯增强陶瓷涂层。
实施方式三:
本实施方式的一种石墨烯增强陶瓷涂层由按重量份的下述原料构成:水性钛酸酯改性石墨烯15%,负离子粉25%,陶瓷粉55%,烧结助剂5%,将上述原料混合均匀,可采用机械搅拌方法混合,将混合均匀的原料加入无水乙醇中,再加入NaCl,NaCl与改性石墨烯的重量份比例为0.4:1,再加入重量份的无水乙醇与混合原料的比例为30:1,超声分散,结束后对分散液用球磨机球磨均匀,过筛后喷涂在基体表面,得到石墨烯增强陶瓷涂层。
本发明制备石墨烯增强陶瓷涂层采用石墨烯添加到陶瓷原料中,石墨烯具有单层结构,具有高导电性、高机械性能,其经过改性处理后,可均匀的分布于有机溶剂中,再将混合均匀的石墨烯溶液与陶瓷粉混合,能够实现石墨烯在陶瓷粉中的均匀混合,实现导电性均匀,机械性能良好,同时该石墨烯增强陶瓷涂层加入负离子粉和纳米银,制备得到的石墨烯增强陶瓷涂层具备抗菌抑菌,净化空气的功效。
以上所述仅为本发明的具体实施方式,并非用以限定本发明的范围。任何本领域的技术人员,在不脱离本发明的构思和原则的前提下所作出的等同变化与修改,均应属于本发明保护的范围。
Claims (5)
1.一种石墨烯增强陶瓷涂层,其特征在于,按重量百分比计,主要由以下原料制备得到:改性石墨烯:0.5%-20%,负离子粉30%-50%,陶瓷粉10%-60%,烧结助剂5%-15%。
2.如权利要求1所述的一种石墨烯增强陶瓷涂层,其特征在于,所述陶瓷粉包括:Co2O3、Ti2O3、Fe2O3、纳米银、粘土。
3.如权利要求2所述的一种石墨烯增强陶瓷涂层,其特征在于,所述改性石墨烯包括:水性钛酸酯改性石墨烯、十六烷基三甲基溴化铵改性石墨烯。
4.如权利要求1-3所述的一种石墨烯增强陶瓷涂层的制备方法,其特征在于,将改性石墨烯、负离子粉、陶瓷粉、烧结助剂混合后加入到无水乙醇中,混合均匀后超声分散,结束后对分散液用球磨机球磨均匀,过筛后喷涂在基体表面,得到石墨烯增强陶瓷涂层。
5.如权利要求4所述的一种石墨烯增强陶瓷涂层的制备方法,其特征在于,将改性石墨烯、负离子粉、陶瓷粉、烧结助剂混合后加入到无水乙醇中后,进一步加入NaCl,然后混合均匀后超声分散。
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CN109081680A (zh) * | 2018-09-12 | 2018-12-25 | 福建省德化县三峰陶瓷有限公司 | 一种含有氧化石墨烯防腐层的陶瓷制品及其制备方法 |
CN109626978A (zh) * | 2019-01-30 | 2019-04-16 | 四川亿家云享科技有限公司 | 能够产生负离子功能的石墨烯新材料 |
CN111499345A (zh) * | 2020-05-12 | 2020-08-07 | 安徽禾田电气有限公司 | 一种高低压配电柜散热涂层的制备方法 |
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CN111499345A (zh) * | 2020-05-12 | 2020-08-07 | 安徽禾田电气有限公司 | 一种高低压配电柜散热涂层的制备方法 |
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