CN104650666A - 一种防污闪氟碳涂料 - Google Patents

一种防污闪氟碳涂料 Download PDF

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CN104650666A
CN104650666A CN201510063148.4A CN201510063148A CN104650666A CN 104650666 A CN104650666 A CN 104650666A CN 201510063148 A CN201510063148 A CN 201510063148A CN 104650666 A CN104650666 A CN 104650666A
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王旭明
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TIANJIN PRIMETECH CHEMICAL CO Ltd
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Abstract

本发明提供一种防污闪氟碳涂料，所述涂料为无底漆涂料，按重量百分含量计，该涂料主要由以下组分组成:氟碳树脂30％～70％，自制混合溶剂35％～45％，颜料10％～30％，偶联剂1％～5％，助剂0.03％～2％，固化剂1％～10％，催化剂0.03％～0.2％，本发明通过对偶联剂添加工艺、改性纳米填料添加工艺及消泡工艺的研究，提高了涂层的疏水性能，改性后的涂层外检电气绝缘性能满足防污闪要求；防污闪氟碳涂料具备优良的防污闪性能，可应用于输变电线路高压绝缘子防污闪。

Description

一种防污闪氟碳涂料
技术领域
本发明属于涂料工业，具体地说，本发明涉及一种防污闪氟碳涂料。
背景技术
输变电设备绝缘子的污闪是一种常见的事故，它严重影响了输变电线路的安全、经济运行，防止绝缘子的污闪是保证电力系统线路安全运行的重要工作。目前，已经使用的防污闪涂料主要有：室温硫化硅橡胶(RTV)、硅油涂料、硅脂涂料、地腊涂料等。但这些涂料使用寿命短、影响绝缘子外观、耐粉尘效果不好，目前电力系统大量使用的硅橡胶防污闪涂料效果也不是很理想。自20世纪80年代室温硫化硅橡胶(RTV)防污闪涂料应用以来，RTV因其优异的憎水性及憎水性迁移性成为使用最为广泛的防污闪涂料，但是其力学性能如抗衡裂强度、剪切强度等较差，耐紫外线性能也不够理想，因而持久性不尽如人意，通常只能持续三至五年；同时PRTV涂料具备RTV防污闪涂料的增水性及憎水迁移性，但其硬度差且难复涂、难除去，给后期的检修与维护带来麻烦。因此，人们迫切需要寻求一种性能更好的防污闪涂料。
由于氟碳涂料具有优异的耐腐蚀性、耐候性、耐磨性、耐溶剂性，使用寿命长，且具有表面能较低、双疏等诸多优点，被广泛应用于桥梁保护、海洋防腐及建筑外墙等，以FEVE树脂制备的氟碳涂料一直都是重防腐领域的研究热点。以FEVE氟碳树脂为成膜物质制备的防污闪氟碳涂料，虽然解决了现用的硅橡胶涂料寿命短的问题，但是其憎水性能及韧性仍弱于RTV涂料、PRTV涂料，因此需要制备了一种新型防污闪氟碳涂料。
发明内容：
本发明的目的在于克服现有技术的不足，提供一种防污闪氟碳涂料，通过对防污闪氟碳涂料进行改性，从而提高防污闪氟碳涂料的憎水性能和韧性。
实现本发明的技术方案如下所述，其具体实施步骤为：
一种防污闪氟碳涂料，所述涂料为无底漆涂料，按重量百分含量计，该涂料主要由以下组分组成:氟碳树脂30％～70％，自制混合溶剂35％～45％，颜料10％～30％，偶联剂1％～5％，助剂0.03％～2％，固化剂1％～10％，催化剂0.03％～0.2％。
所述氟碳树脂为市售的商品化的氟碳树脂；
其中，所述偶联剂为铝酸酯偶联剂和钛酸酯偶联剂的混合物，其铝酸酯偶联剂和钛酸酯偶联剂摩尔比为0.1～0.5：0.5～0.9；所述钛酸酯偶联剂为钛酸丙酯或钛酸异丁酯；
所述自制混合溶剂为甲基异丁基酮和乙酸丙酯；优选地，所述甲基异丁基酮和乙酸丙酯的质量比为1∶3；
所述催干剂为二月桂酸二丁基锡；
所述固化剂为脂肪族二异氰酸酯；
所述颜料为锌钡白、钛白粉、氧化锌或立德粉其中任意一种，优选地，所述颜料为锌钡白；
所述助剂为消泡剂，所述消泡剂为磷酸三丁酯。
一种防污闪氟碳涂料的制备方法，其具体步骤为：将树脂和溶剂混合均匀后加入颜料及偶联剂，采用篮式研磨机研磨1h后加入助剂、催化剂，继续研磨2h，加入固化剂机械搅拌均匀即可涂覆。
本发明所具备的优点：
本发明通过对偶联剂添加工艺、改性纳米填料添加工艺及消泡工艺的研究，提高了涂层的疏水性能，改性后的涂层外检电气绝缘性能满足防污闪要求；防污闪氟碳涂料具备优良的防污闪性能，可应用于输变电线路高压绝缘子防污闪。
具体实施方式
下面结合具体实施例对本发明作进一步说明，但不限定本发明的保护范围。
实施例1
一种防污闪氟碳涂料，所述涂料为无底漆涂料，按重量百分含量计，该涂料主要由以下组分组成:氟碳树脂40％，甲基异丁基酮和乙酸丙酯混合溶剂40％，颜料钛白粉20％，偶联剂1％，助剂0.2％，固化剂5％，催化剂0.05％；所述偶联剂为铝酸酯偶联剂和钛酸酯偶联剂的混合物，其铝酸酯偶联剂和钛酸酯偶联剂摩尔比为0.2：0.8。
实施例2
一种防污闪氟碳涂料，所述涂料为无底漆涂料，按重量百分含量计，该涂料主要由以下组分组成:氟碳树脂42％，甲基异丁基酮和乙酸丙酯混合溶剂43％，颜料锌钡白20％，偶联剂1％，助剂0.2％，固化剂5％，催化剂0.05％；所述偶联剂为铝酸酯偶联剂和钛酸酯偶联剂的混合物，其铝酸酯偶联剂和钛酸酯偶联剂摩尔比为0.2：0.8。
实施例3
一种防污闪氟碳涂料，所述涂料为无底漆涂料，按重量百分含量计，该涂料主要由以下组分组成:氟碳树脂52％，甲基异丁基酮和乙酸丙酯混合溶剂45％，颜料锌钡白20％，偶联剂1％，助剂0.5％，固化剂7％，催化剂0.05％；所述偶联剂为铝酸酯偶联剂和钛酸酯偶联剂的混合物，其铝酸酯偶联剂和钛酸酯偶联剂摩尔比为0.3：0.7。
实施例4
一种防污闪氟碳涂料，所述涂料为无底漆涂料，按重量百分含量计，该涂料主要由以下组分组成:氟碳树脂60％，甲基异丁基酮和乙酸丙酯混合溶剂45％，颜料锌钡白25％，偶联剂1％，助剂0.5％，固化剂7％，催化剂0.1％；所述偶联剂为铝酸酯偶联剂和钛酸酯偶联剂的混合物，其铝酸酯偶联剂和钛酸酯偶联剂摩尔比为0.2：0.8。
上述实施例中防污闪氟碳涂料的制备方法，其具体步骤为：将树脂和溶剂混合均匀后加入颜料及偶联剂，采用篮式研磨机研磨1h后加入助剂、催化剂，继续研磨2h，加入固化剂机械搅拌均匀即可涂覆。
以上所述，仅是本发明的较佳实施例而已，并非对本发明的技术方案作任何形式上的限制。凡是依据本发明的技术实质对以上实施例所作的任何简单修改、等同变化与修饰，均仍属于本发明的技术方案的范围内。

Claims (10)

1.一种防污闪氟碳涂料，所述涂料为无底漆涂料，按重量百分含量计，该涂料主要由以下组分组成:氟碳树脂30％～70％，自制混合溶剂35％～45％，颜料10％～30％，偶联剂1％～5％，助剂0.03％～2％，固化剂1％～10％，催化剂0.03％～0.2％。
2.根据权利要求1所述的一种防污闪氟碳涂料，其特征在于，所述偶联剂为铝酸酯偶联剂和钛酸酯偶联剂的混合物；其铝酸酯偶联剂和钛酸酯偶联剂摩尔比为0.1～0.5：0.5～0.9。
3.根据权利要求1所述的一种防污闪氟碳涂料，其特征在于，所述钛酸酯偶联剂为钛酸丙酯或钛酸异丁酯任意一种。
4.根据权利要求1所述的一种防污闪氟碳涂料，其特征在于，所述自制混合溶剂为甲基异丁基酮和乙酸丙酯；所述甲基异丁基酮和乙酸丙酯的质量比为1∶3。
5.根据权利要求1所述的一种防污闪氟碳涂料，其特征在于，所述催干剂为二月桂酸二丁基锡。
6.根据权利要求1所述的一种防污闪氟碳涂料，其特征在于，所述固化剂为脂肪族二异氰酸酯。
7.根据权利要求1所述的一种防污闪氟碳涂料，其特征在于，所述颜料为锌钡白、钛白粉、氧化锌或立德粉其中任意一种。
8.根据权利要求1所述的一种防污闪氟碳涂料，其特征在于，所述颜料为锌钡白。
9.根据权利要求1所述的一种防污闪氟碳涂料，其特征在于，所述助剂为消泡剂。
10.根据权利要求9所述的一种防污闪氟碳涂料，其特征在于，所述消泡剂为磷酸三丁酯。
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Cited By (7)

* Cited by examiner, † Cited by third party
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CN105820608A (zh) * 2016-04-15 2016-08-03 安徽开林新材料股份有限公司 一种钛酸酯改性铝电极防腐涂料及其制备方法
CN106634391A (zh) * 2016-09-23 2017-05-10 昆明理工大电力工程技术有限公司 一种高效防污闪复合涂料及其制备方法
CN106634391B (zh) * 2016-09-23 2019-07-30 昆明理工大电力工程技术有限公司 一种高效防污闪复合涂料及其制备方法
CN107418269A (zh) * 2017-09-08 2017-12-01 肇庆高新区恒泰信息服务有限公司 一种环氧浇铸变压器用清漆及其制备工艺
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WO2021212706A1 (zh) * 2020-04-20 2021-10-28 温岭市电力绝缘器材有限公司 一种绝缘涂料及其加工工艺

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