CN109135513B - 利用三聚磷酸铝/纳米银复合导电粉体的抗静电防腐涂料 - Google Patents
利用三聚磷酸铝/纳米银复合导电粉体的抗静电防腐涂料 Download PDFInfo
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Abstract
本发明涉及化学化工领域,旨在提供一种利用三聚磷酸铝/纳米银复合导电粉体的抗静电防腐涂料。该涂料是由A、B双组份组成的;其中,A组分由下述原料组成:水性环氧树脂、三聚磷酸铝/纳米银复合导电粉体、钛白粉、硫酸钡、滑石粉、分散剂、消泡剂、二丙二醇甲醚、丙二醇丁醚和去离子水;B组分是环氧固化剂,B组分的重量占A组分重量的5~8%。本发明中,三聚磷酸铝/纳米银复合导电粉体是带来抗静电性能的重要组分。该粉体制备工艺简单,无高温过程,节省能源,使用原料无毒性,不污染环境,粉体性能稳定,电阻率小,且具有防锈、防腐蚀功能。与现有常规金属防腐涂料相比,该涂料电阻率低,具备抗静电性能。同时,继续保持良好的防腐性能。
Description
技术领域
本发明涉及一种利用三聚磷酸铝/纳米银复合导电粉体的抗静电防腐涂料,属于化学化工领域。
背景技术
金属材料以其优良的机械性能和工艺性能在材料领域占有重要的地位,但金属腐蚀也给人类社会造成了巨大的损失,如金属材料制造的储运装备、石化设备、钢构厂房、船舶、工程机械等,由于长期受化学或电化学作用而被损失破坏,造成大量的经济损失。针对金属腐蚀问题,可采用多种技术进行保护,减缓或阻止金属的腐蚀,其中最有效、最常用的方法是在金属表面涂覆防腐蚀涂层,以隔绝腐蚀介质与金属基底接触,达到防腐的目的。当前,金属防腐蚀涂料主要以油性涂料为主,涂装过程有大量的有机溶剂挥发,严重污染大气,影响人类身体健康。
如今,环境保护日益受到重视,无污染,无公害,节约能源已成为今后涂料的发展原则,而水性防腐蚀涂料因其挥发物少,对环境、人体危害小,正逐渐取代传统油性涂料,成为未来发展的主流,但目前水性防腐涂料性能仍落后于油性涂料。水性防腐涂料防腐性能强弱主要依赖于水性树脂和防锈颜料。目前主要使用的防锈颜料是磷酸盐,磷酸盐无毒性,对皮肤无刺激作用,不含铅、铬等有害重金属元素,热稳定性好,能显著改善涂料的耐磨、耐腐蚀性能。
常规金属防腐涂料是高度绝缘材料,具有很高的表面电阻和体积电阻,会产生静电,静电会给生活、生产及科学活动带来很大麻烦,甚至是灾难,尤其是在油罐、储罐等应用领域。因此,在特定金属防腐领域,如各种油罐、输油管等领域,不仅需要涂料具有很好的防腐性能,还需要具备较强的抗静电功能。
现有技术中,为了解决金属防腐问题,通常做法是在常规涂料中添加石墨烯,利用其片状结构能阻隔腐蚀性介质接触金属表面的原理实现防腐。虽然石墨烯是一种导电材料,但目前在涂料中应用并没有考察对涂料抗静电性能的影响。
发明内容
本发明要解决的技术问题是,克服现有技术中的不足,提供一种利用三聚磷酸铝/纳米银复合导电粉体的抗静电防腐涂料。
为解决技术问题,本发明的解决方案是:
提供一种利用三聚磷酸铝/纳米银复合导电粉体的抗静电防腐涂料,该涂料是由A、B双组份组成的;其中,A组分由下述重量百分比的原料组成:水性环氧树脂40~60%,三聚磷酸铝/纳米银复合导电粉体5~10%,钛白粉5~15%,硫酸钡3~8%,滑石粉1~5%,分散剂0.2~0.8%,消泡剂0.2~0.8%,二丙二醇甲醚1~3%,丙二醇丁醚1~3%,去离子水9.4~28.6%;B组分是环氧固化剂,B组分的重量占A组分重量的5~8%。
本发明中,所述磷酸盐/纳米银复合导电粉体通过下述方式制备获得:
(1)往反应瓶中加入乙二醇1.8L、聚乙烯吡咯烷酮4g和三聚磷酸铝200g,搅拌的同时使用NaOH溶液调节反应液的pH值至10;
(2)将反应液升温至120℃,滴加AgNO3的乙二醇溶液15ml,滴加速率20ml/min;AgNO3溶液的浓度为0.2g/ml;继续反应30min后停止反应,室温静置15h,待固体析出,沉积在瓶底;
(3)将上层液体倒掉,固体用去离子水洗涤后离心处理;重复洗涤3次后,固体经真空干燥,得到磷酸盐/纳米银复合导电粉体。
本发明中,所述步骤(3)中,离心处理的速率为5000转/min,真空干燥温度为80℃。
本发明中,分散剂是润湿分散剂BYK190,消泡剂是有机硅消泡剂BYK024。
本发明中,所述水性环氧树脂是固含量40~60%的环氧树脂。
本发明进一步提供了所述涂料的制备方法,包括以下步骤:
(1)按所述配比关系取各组分,往分散机的料缸中依次加入去离子水、二丙二醇甲醚、丙二醇丁醚、分散剂、消泡剂、三聚磷酸铝/纳米银复合导电粉体、钛白粉、硫酸钡和滑石粉,在转速1000~2000rpm下分散30~60min;
(2)降低分散机转速至300~800rpm,加入水性环氧树脂,继续搅拌20~40min,得A组分;
(3)在使用时,按所述重量比要求取B组分并加入A组分中,搅拌均匀后得到抗静电防腐涂料。
发明原理描述:
磷酸盐无毒性,对皮肤无刺激作用,不含铅、铬等有害重金属元素,热稳定性好,能显著改善涂料的耐磨、耐腐蚀性能,是当前用量最大一类生态型防锈颜料。本发明以AgNO3为银源,通过多元醇还原反应和PVP界面保护作用,合成银纳米颗粒,沉积,负载至磷酸盐表面,再经洗涤、离心、干燥等工艺,制备出磷酸盐/纳米银复合导电粉体。该复合粉体中磷酸盐与金属反应,形成复杂的表面覆盖膜,使金属钝化,免于腐蚀,而复合粉体中银纳米颗粒会提高涂料导电性能,同时也能减弱金属的电化学腐蚀。
本发明利用磷酸锌与金属发生反应,在金属表面形成复杂的覆盖膜,使金属钝化,免于腐蚀。因此与石墨烯物理阻隔防腐相比,本发明涂料防腐性能更加持久,同时还具有抗静电功能。
与现有技术相比,本发明具有的有益效果是:
1、本发明所述涂料中,三聚磷酸铝/纳米银复合导电粉体是带来抗静电性能的重要组分。该粉体制备工艺简单,无高温过程,节省能源,使用原料无毒性,不污染环境,粉体性能稳定,电阻率小,且具有防锈、防腐蚀功能。
2、本发明所述涂料与现有常规金属防腐涂料相比,电阻率低,具备抗静电性能。同时,继续保持良好的防腐性能。
具体实施方式
下面结合具体实施例对本发明的实现方式进行描述。
本发明的抗静电防腐涂料是由A、B双组份组成的;其中,A组分由下述重量百分比的原料组成:水性环氧树脂40~60%,三聚磷酸铝/纳米银复合导电粉体5~10%,钛白粉5~15%,硫酸钡3~8%,滑石粉1~5%,分散剂(BYK190)0.2~0.8%,消泡剂(BYK024)0.2~0.8%,二丙二醇甲醚1~3%,丙二醇丁醚1~3%,去离子水9.4~28.6%;B组分是环氧固化剂,B组分的重量占A组分重量的5~8%。
三聚磷酸铝/纳米银复合导电粉体,通过下述方式制备获得:
(1)往反应瓶中加入乙二醇1.8L(2kg)、聚乙烯吡咯烷酮(PVP,Mw=24000)4g和三聚磷酸铝(d=1μm)200g,搅拌过程中使用NaOH溶液调节反应液pH值至10;(2)将反应液升温至120℃,滴加AgNO3的乙二醇溶液15ml,滴加速率20ml/min;AgNO3溶液的浓度为0.2g/ml;继续反应30min后停止反应,室温静置15h,待固体析出,沉积在瓶底;(3)将上层液体倒掉,固体用去离子水洗涤、离心(速率5000转/min),重复3次,最终固体经真空干燥(干燥温度80℃),得到磷酸盐/纳米银复合导电粉体(电阻率12Ω·cm,纳米银粒径40~60nm)。
涂料的制备包括以下步骤:
(1)按所述配比关系取各组分,往分散机的料缸中依次加入去离子水、二丙二醇甲醚,丙二醇丁醚,BYK190,BYK024,三聚磷酸铝/纳米银复合导电粉体,钛白粉,硫酸钡和滑石粉,在转速1000~2000rpm下分散30~60min;(2)降低分散机转速至300~800rpm,加入水性环氧树脂,继续搅拌20~40min,得A组分;(3)在使用时,按所述重量比要求取B组分并加入A组分中,搅拌均匀后得到抗静电防腐涂料。
测试涂料性能时,按照HG/T 4759-2014标准测试涂料耐盐雾性能,使用表面电阻测试仪测试涂层表面电阻值。
各实施例的配方、制备参数及性能见下表。
原料配方(重量比) | 实施例1 | 实施例2 | 实施例3 |
水性环氧树脂 | 40% | 60% | 50% |
三聚磷酸铝/纳米银复合粉体 | 5% | 10% | 8% |
钛白粉 | 15% | 5% | 10% |
硫酸钡 | 8% | 3% | 5% |
滑石粉 | 1% | 5% | 3% |
BYK190 | 0.2% | 0.8% | 0.5% |
BYK024 | 0.2% | 0.8% | 0.5% |
二丙二醇甲醚 | 1% | 3% | 2% |
丙二醇丁醚 | 1% | 3% | 2% |
去离子水 | 28.6% | 9.4% | 19% |
B组分(占A组分重量比) | 5% | 8% | 6% |
组分A中水性环氧树脂的固含量 | 60% | 40% | 50% |
组分B的种类 | 胺类固化剂 | 胺类固化剂 | 胺类固化剂 |
制备方法步骤(1)中的转速 | 1000rpm | 2000rpm | 1800rpm |
制备方法步骤(1)中的分散时间 | 60min | 30min | 45min |
制备方法步骤(2)中的转速 | 300rpm | 800rpm | 500rpm |
制备方法步骤(2)中的搅拌时间 | 40min | 20min | 30min |
耐盐雾性/h | 500 | 480 | 550 |
表面电阻/Ω | 10<sup>7</sup> | 10<sup>6</sup> | 10<sup>6</sup> |
对比实施方式
以下对比例,均以上述3个案例中的耐盐雾性最好,表面电阻最低的实施例3作为基础进行设置。
对比例1
将实施例3中“三聚磷酸铝/纳米银复合粉体”换成常规金属防腐涂料中使用的“三聚磷酸铝(d=1μm)”,其余同于实施例3。
经测试,该涂料的耐盐雾性550h,表面电阻1013Ω,不具有抗静电性能。
对比例2
将实施例3中“三聚磷酸铝/纳米银复合粉体8%,去离子水19%”更换为“三聚磷酸铝/纳米银复合粉体4%,去离子水23%”,其余同于实施例3。
经测试,该涂料的耐盐雾性500h,表面电阻109Ω。
对比例3
将实施例3中“三聚磷酸铝/纳米银复合粉体8%,去离子水19%”更换为“三聚磷酸铝/纳米银复合粉体12%,去离子水15%”,其余同于实施例3。
经测试,该涂料的耐盐雾性550h,表面电阻106Ω。
上述对比实施例中,对比例2减少了三聚磷酸铝/纳米银复合粉体的用量,会提高涂料表面电阻。对比例3增加了三聚磷酸铝/纳米银复合粉体的用量,涂料表面电阻未发生明显改变,从成本方面考虑不具备经济性。
最后,还需要注意的是,以上列举的仅是本发明的若干个具体实施例。显然,本发明不限于以上实施例,还可以有许多变形。本领域的普通技术人员能从本发明公开的内容直接导出或联想到的所有变形,均应认为是本发明的保护范围。
Claims (6)
1.一种利用三聚磷酸铝/纳米银复合导电粉体的抗静电防腐涂料,其特征在于,该涂料是由A、B双组份组成的;其中,A组分由下述重量百分比的原料组成:水性环氧树脂40~60%,三聚磷酸铝/纳米银复合导电粉体5~10%,钛白粉5~15%,硫酸钡3~8%,滑石粉1~5%,分散剂0.2~0.8%,消泡剂0.2~0.8%,二丙二醇甲醚1~3%,丙二醇丁醚1~3%,去离子水9.4~28.6%;B组分是环氧固化剂,B组分的重量占A组分重量的5~8%;
所述磷酸盐/纳米银复合导电粉体通过下述方式制备获得:
(1)往反应瓶中加入乙二醇1.8L、聚乙烯吡咯烷酮4g和三聚磷酸铝200g,搅拌的同时使用NaOH溶液调节反应液的pH值至10;
(2)将反应液升温至120℃,滴加AgNO3的乙二醇溶液15ml,滴加速率20ml/min;AgNO3溶液的浓度为0.2g/ml;继续反应30min后停止反应,室温静置15h,待固体析出,沉积在瓶底;
(3)将上层液体倒掉,固体用去离子水洗涤后离心处理;重复洗涤3次后,固体经真空干燥,得到磷酸盐/纳米银复合导电粉体。
2.根据权利要求1所述的涂料,其特征在于,步骤(3)中,离心处理的速率为5000转/min,真空干燥温度为80℃。
3.根据权利要求1所述的涂料,其特征在于,分散剂是润湿分散剂BYK190,消泡剂是有机硅消泡剂BYK024。
4.根据权利要求1所述的涂料,其特征在于,所述水性环氧树脂是固含量40~60%的环氧树脂。
5.根据权利要求1所述的涂料,其特征在于,所述环氧固化剂是胺类固化剂。
6.权利要求1所述涂料的制备方法,其特征在于,包括以下步骤:
(1)按所述配比关系取各组分,往分散机的料缸中依次加入去离子水、二丙二醇甲醚、丙二醇丁醚、分散剂、消泡剂、三聚磷酸铝/纳米银复合导电粉体、钛白粉、硫酸钡和滑石粉,在转速1000~2000rpm下分散30~60min;
(2)降低分散机转速至300~800rpm,加入水性环氧树脂,继续搅拌20~40min,得A组分;
(3)在使用时,按所述重量比要求取B组分并加入A组分中,搅拌均匀后得到抗静电防腐涂料。
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CN101834287A (zh) * | 2009-03-11 | 2010-09-15 | 五邑大学 | 一种锂离子电池正极材料的制备方法 |
WO2016046849A2 (en) * | 2014-09-24 | 2016-03-31 | Council Of Scientific And Industrial Research | Rare earth phosphate based non reactive and non-wettable surface for molten metals |
CN107513333A (zh) * | 2017-09-14 | 2017-12-26 | 浙江加州国际纳米技术研究院台州分院 | 应用磷酸锌系复合防锈颜料的水性环氧防腐涂料 |
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