CN111826071A - 一种石墨烯防腐涂料及其制备方法 - Google Patents
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Abstract
本发明公开了一种石墨烯防腐涂料,包括以下质量百分比的成分:聚氨酯40%‑60%,石墨烯粉体0.1%‑0.5%,苯胺1‑3%,锌粉10%‑20%,填料5‑10%,分散剂0.5‑2%,固化剂5‑10%,流平剂0.5‑2%,消泡剂0.5‑2%,去离子水10%‑20%。锌粉为鳞片锌粉,锌粉的粒径为300‑500目,石墨烯粉体的粒径为300目。本发明还公开了一种石墨烯防腐涂料的制备方法。本发明采用上述石墨烯防腐涂料及其制备方法,能够解决现有的防腐涂料防腐效果较差的问题。
Description
技术领域
本发明属于工业防腐涂料技术领域,尤其涉及一种石墨烯防腐涂料及其制备方法。
背景技术
随着国家的迅速发展、城市和工业的高速建设,大量的金属材料被应用于基础设施、能源、化工、建筑、交通等领域。金属材料的表面容易发生腐蚀,金属腐蚀是指金属材料表面和环境发生化学与电化学反应而使得材料的性能下降,金属腐蚀会造成巨大的损失。常用的金属防腐的措施为在金属材料的表面喷涂一层防腐涂层,隔绝金属表面与空气,从而达到防腐的效果。现有的防腐涂料中多是以阻隔的方式进行防腐,防腐效果一般。
发明内容
本发明的目的是提供一种石墨烯防腐涂料,解决现有的防腐涂料防腐效果较差的问题。本发明的另一个目的是提供一种石墨烯防腐涂料的制备方法。
为实现上述目的,本发明提供了一种石墨烯防腐涂料,包括以下质量百分比的成分:
优选的,所述锌粉为鳞片锌粉,锌粉的粒径为300-500目。
优选的,所述石墨烯粉体的粒径为300目。
优选的,所述填料为云母粉、滑石粉、重钙粉和纳米三氧化二铝的任意一种或两种的混合物。
优选的,所述分散剂为BYK-104S,所述流平剂为466,所述固化剂为改性聚酰胺类固化剂。
上述石墨烯防腐涂料的制备方法,包括以下步骤:
S1、将石墨烯粉体加入到盐酸溶液中,并置于超声波分散仪中进行超声分散1-2h,分散均匀后加入苯胺,在0-5℃下搅拌混合均匀,得到混合液;将氧化剂溶解到盐酸溶液中,并将氧化剂盐酸溶液加入到混合液中,在0-5℃搅拌混合均匀,然后加入锌粉,反应3-5小时,离心、洗涤,得到石墨烯/锌/聚苯胺复合材料;
S2、将聚氨酯、填料、分散剂、消泡剂和部分去离子水搅拌混合均匀后,再加入流平剂搅拌均匀,得到混合液A;
S3、将改性聚酰胺类固化剂在烘箱中加热至90℃,保温10-30分钟,然后加入剩余的去离子水搅拌混合均匀,得到混合液B;
S4、将混合液A和混合液B混合搅拌均匀,得到石墨烯防腐涂料。
本发明所述的一种石墨烯防腐涂料及其制备方法的优点和积极效果是:
1、苯胺和石墨烯粉末以原位聚合的方式制得石墨烯/聚苯胺复合材料,石墨烯/聚苯胺复合材料中石墨烯保持层状结构,聚苯胺颗粒均匀分散在它的表面和片层间,减少了聚苯胺涂层的孔隙,有效隔绝了氧气和水分子的进入,降低了腐蚀速率,提高涂料的防腐蚀效果。
2、石墨烯的加入一方面提高了涂料的力学性能,另一方面石墨烯/聚苯胺复合材料涂覆在金属表面可以形成一层致密的金属氧化膜,聚苯胺是一种具有氧化和还原能力的共轭高分子材料,在水和氧气的参与下,聚苯胺与金属互相接触并发生氧化还原反应,在金属表面形成一层钝化膜,石墨烯的加入提高了钝化膜致密度,从而对金属进行保护。
3、在涂料中加入锌粉,锌粉的电极电位低于铁的电极电位,当发生腐蚀时,涂层中的锌优先发生反应,对金属材料进行保护。氧化后的锌粉可以进一步的阻碍水汽和氧离子的渗入,也可以阻碍材料表面发生腐蚀。
4、石墨烯具有较好的导电性,石墨烯的二维片层结构能够将锌粉颗粒搭接起来,形成良好的导电通路,同时铺展在涂料中,石墨烯促进锌粉之间形成电化学通路,石墨烯做锌粉的电化学反应中电子运动的桥梁,从而使锌粉更有效的参与到电化学保护中,提高涂料的防腐效果。
下面通过实施例对本发明的技术方案做进一步的详细描述。
具体实施方式
一种石墨烯防腐涂料,包括以下质量百分比的成分:
锌粉为鳞片锌粉,锌粉的粒径为300-500目。鳞片锌粉更容易搭接形成有效的电化学保护。
石墨烯粉体的粒径为300目。
填料为云母粉、滑石粉、重钙粉和纳米三氧化二铝的任意一种或两种的混合物。
分散剂为BYK-104S,所述流平剂为466,所述固化剂为改性聚酰胺类固化剂。
上述石墨烯防腐涂料的制备方法,包括以下步骤:
S1、将石墨烯粉体加入到盐酸溶液中,并置于超声波分散仪中进行超声分散1-2h,分散均匀后加入苯胺,在0-5℃下搅拌混合均匀,得到混合液;将氧化剂溶解到盐酸溶液中,并将氧化剂盐酸溶液加入到混合液中,在0-5℃搅拌混合均匀,然后加入锌粉,反应3-5小时,离心、洗涤,得到石墨烯/锌/聚苯胺复合材料;
S2、将聚氨酯、填料、分散剂、消泡剂和部分去离子水搅拌混合均匀后,再加入流平剂搅拌均匀,得到混合液A;
S3、将改性聚酰胺类固化剂在烘箱中加热至90℃,保温10-30分钟,然后加入剩余的去离子水搅拌混合均匀,得到混合液B;
S4、将混合液A和混合液B混合搅拌均匀,得到石墨烯防腐涂料。
以下将结合具体实施例对本发明作进一步的描述,需要说明的是,以下实施例以本技术方案为前提,给出了详细的实施方式和具体的操作过程,但本发明的保护范围并不限于本实施例。实施例1-4涂料的成分如下表所示:
根据国家标准对上述实施例进行物理和化学性能测试,形成的漆膜的物理和化学性能如下表所述:
综上所述,采用上述石墨烯防腐涂料及其制备方法制备的涂料耐盐雾腐蚀性能好,能够保持40d无变化;耐水性能良好,附着力达到1级以上,具有较好的耐冲击性和膜硬度。
因此,本发明采用上述石墨烯防腐涂料及其制备方法,能够解决现有的防腐涂料防腐效果较差的问题。
最后应说明的是:以上实施例仅用以说明本发明的技术方案而非对其进行限制,尽管参照较佳实施例对本发明进行了详细的说明,本领域的普通技术人员应当理解:其依然可以对本发明的技术方案进行修改或者等同替换,而这些修改或者等同替换亦不能使修改后的技术方案脱离本发明技术方案的精神和范围。
Claims (6)
2.根据权利要求1所述的一种石墨烯防腐涂料,其特征在于:所述锌粉为鳞片锌粉,锌粉的粒径为300-500目。
3.根据权利要求1所述的一种石墨烯防腐涂料,其特征在于:所述石墨烯粉体的粒径为300目。
4.根据权利要求1所述的一种石墨烯防腐涂料,其特征在于:所述填料为云母粉、滑石粉、重钙粉和纳米三氧化二铝的任意一种或两种的混合物。
5.根据权利要求1所述的一种石墨烯防腐涂料,其特征在于:所述分散剂为BYK-104S,所述流平剂为466,所述固化剂为改性聚酰胺类固化剂。
6.根据权利要求1-5任一项所述的一种石墨烯防腐涂料的制备方法,其特征在于,包括以下步骤:
S1、将石墨烯粉体加入到盐酸溶液中,并置于超声波分散仪中进行超声分散1-2h,分散均匀后加入苯胺,在0-5℃下搅拌混合均匀,得到混合液;将氧化剂溶解到盐酸溶液中,并将氧化剂盐酸溶液加入到混合液中,在0-5℃搅拌混合均匀,然后加入锌粉,反应3-5小时,离心、洗涤,得到石墨烯/锌/聚苯胺复合材料;
S2、将聚氨酯、填料、分散剂、消泡剂和部分去离子水搅拌混合均匀后,再加入流平剂搅拌均匀,得到混合液A;
S3、将改性聚酰胺类固化剂在烘箱中加热至90℃,保温10-30分钟,然后加入剩余的去离子水搅拌混合均匀,得到混合液B;
S4、将混合液A和混合液B混合搅拌均匀,得到石墨烯防腐涂料。
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112724787A (zh) * | 2021-01-07 | 2021-04-30 | 江南大学 | 一种聚苯胺改性氧化石墨烯/羟基化氮化硼复合环氧涂层的制备方法 |
CN113150668A (zh) * | 2021-04-12 | 2021-07-23 | 北京冬曦既驾科技咨询有限公司 | 一种防腐复合涂料及其制备方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105038556A (zh) * | 2015-08-07 | 2015-11-11 | 常州大学 | 一种基于石墨烯杂化材料的防腐涂料及制备方法 |
CN105400373A (zh) * | 2015-12-16 | 2016-03-16 | 常州大学 | 一种含有石墨烯/脱杂聚苯胺的防腐涂料及制备方法 |
CN110724432A (zh) * | 2018-07-16 | 2020-01-24 | 深圳市烯世传奇科技有限公司 | 一种石墨烯水性防腐涂料及其制备方法 |
-
2020
- 2020-08-19 CN CN202010837581.XA patent/CN111826071A/zh active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105038556A (zh) * | 2015-08-07 | 2015-11-11 | 常州大学 | 一种基于石墨烯杂化材料的防腐涂料及制备方法 |
CN105400373A (zh) * | 2015-12-16 | 2016-03-16 | 常州大学 | 一种含有石墨烯/脱杂聚苯胺的防腐涂料及制备方法 |
CN110724432A (zh) * | 2018-07-16 | 2020-01-24 | 深圳市烯世传奇科技有限公司 | 一种石墨烯水性防腐涂料及其制备方法 |
Non-Patent Citations (5)
Title |
---|
KEWEN CAI ETAL.: "Preparation of polyaniline/graphene composites with excellent anti-corrosion properties and their application in waterborne polyurethane anticorrosive coatings", 《RSC ADVANCES》 * |
强涛涛: "《合成革化学品》", 31 July 2016, 中国轻工业出版社 * |
蒋官澄等: "《海洋设备腐蚀与保护》", 31 March 2011, 石油大学出版社 * |
闫毅等: "《高分子材料合成创新实验》", 31 March 2019, 西北工业大学出版社 * |
陈玉华: "《新型清洁能源技术:化学和太阳能电池新技术》", 31 January 2019, 知识产权出版社 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112724787A (zh) * | 2021-01-07 | 2021-04-30 | 江南大学 | 一种聚苯胺改性氧化石墨烯/羟基化氮化硼复合环氧涂层的制备方法 |
CN113150668A (zh) * | 2021-04-12 | 2021-07-23 | 北京冬曦既驾科技咨询有限公司 | 一种防腐复合涂料及其制备方法 |
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