CN106634365A - 一种水性工业烤漆及其制备方法 - Google Patents

一种水性工业烤漆及其制备方法 Download PDF

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CN106634365A
CN106634365A CN201611260280.5A CN201611260280A CN106634365A CN 106634365 A CN106634365 A CN 106634365A CN 201611260280 A CN201611260280 A CN 201611260280A CN 106634365 A CN106634365 A CN 106634365A
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赵永旗
戚向东
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SHANGHAI MORFANT NEW MATERIAL TECHNOLOGY Co Ltd
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Abstract

本发明公开了一种水性工业烤漆包括以下组分：碳钛改性丙烯酸树脂、水溶性氨基树脂、助溶剂、分散剂、润湿剂、颜料、填料、消泡剂、抗闪锈剂、防沉降剂、成膜助剂、增稠剂、pH调整剂、杀菌剂、去离子水。本发明的一种水性工业烤漆具有水性环保，气味小的特点，同时本发明水性工业烤漆的体积固含高，干燥快，施工性良好，可低表面处理，可带微锈施工、基材表面处理要求低，具有很好的再涂刷性能，漆膜具有原位修补功能。涂层中的纳米材料有一定的迁移能力，能与裸露的铁氧化物反应形成稳定的络合物，有效抑制破损的漆面、针孔产生的腐蚀扩蚀。适用于常用的大部分黑色金属和有色金属基材。

Description

一种水性工业烤漆及其制备方法
技术领域
本发明属于工业涂料领域，具体涉一种水性工业烤漆及其制备方法。
背景技术
传统的金属烘烤涂料工作条件恶劣、劳动强度大。不但对环境带来重大污染,同时对施工人员的安全造成隐患，另外施工难度、涂装工艺复杂，多采用一涂一烘的方式。
发明内容
本发明的目的，就是为了解决上述问题而提供了一种水性工业烤漆，不仅具有良好的环保性能，而且施工简便干燥过程快速，能够大大减轻涂装的劳动强度，同时对基材表面处理要求低。
本发明的目的是这样实现的：
本发明的一种水性工业烤漆包括以下组分和质量百分含量：
以上组分质量百分含量之和为100％；
其中碳钛改性丙烯酸树脂由以下组分和质量百分含量制备而成：
以上组分质量百分含量之和为100％。
在上述的一种水性工业烤漆中水性氨基树脂选自脲醛树脂、三聚氰胺甲醛树脂和苯胺甲醛树脂中的至少一种。
在上述的一种水性工业烤漆中助溶剂选自乙醇、乙二醇丁醚和二乙二醇丁醚中的至少一种。
在上述的一种水性工业烤漆中分散剂选自聚羧酸金属盐、丙烯酸及酯共聚羧酸盐中至少一种。
在上述的一种水性工业烤漆中颜料选自有机颜料和无机颜料中至少一种。
在上述的一种水性工业烤漆中填料选自云母粉、石英粉、铁红粉、磷铁粉、硫酸钡、滑石粉和碳酸钙中至少一种。
在上述的一种水性工业烤漆中消泡剂选自矿物油、有机硅类和聚醚类中至少一种。
在上述的一种水性工业烤漆中抗闪锈剂为亚硝酸钠。
在上述的一种水性工业烤漆中防沉降剂选自膨润土、聚乙烯蜡和聚酰胺蜡中至少一种。
在上述的一种水性工业烤漆中成膜助剂选自醇酯和醇醚中至少一种。
在上述的一种水性工业烤漆中增稠剂选自纤维素、聚丙烯酸酯和缔合型聚氨酯增稠剂中至少一种。
在上述的一种水性工业烤漆中杀菌剂为异噻唑啉酮。
本发明还提供一种水性工业烤漆的制备方法包括以下步骤：
(1)按以下组分制备碳钛改性丙烯酸树脂：
(2)称取以下组分和质量百分含量的原料：
(3)将碳钛改性丙烯酸树脂加入调漆罐中，开动搅拌，搅拌速度300-500转，中心液面出现漩涡。用pH调整剂调节pH值至8.5±0.5；
(4)向调漆罐中加入水性氨基树脂和助溶剂开始搅拌，用离子水将分散剂、润湿剂和消泡剂用搅拌混合均匀后缓慢加入调漆罐；
(5)加入预溶解好的抗闪锈剂和防沉降剂分散15分钟，然后加入颜料和填料，高速分散20分钟，用砂磨机研磨至细度小于55微米，用去离子水清洗研磨机；
(6)开启分散机，搅拌至中心产生漩涡，用去离子水将成膜助剂、杀菌剂混合均匀后缓慢加入，搅拌20分钟；
(7)用增稠剂调节粘度至60-70ku。
本发明的一种水性工业烤漆具有水性环保，气味小的特点，同时本发明水性工业烤漆的体积固含高，干燥快，施工性良好，可低表面处理，可带微锈施工、基材表面处理要求低，具有很好的再涂刷性能，漆膜具有原位修补功能。涂层中的纳米材料有一定的迁移能力，能与裸露的铁氧化物反应形成稳定的络合物，有效抑制破损的漆面、针孔产生的腐蚀扩蚀。适用于常用的大部分黑色金属和有色金属基材。采用本发明的水性工业烤漆，涂装工艺简单，既可采用传统的一涂一烘方式，也可以采用多涂一烘的方式。
具体实施方式
下面将结合实施例，对本发明作进一步说明。
首先按以下步骤制备碳钛改性丙烯酸树脂：
(1)称取以下质量的原料：
(2)将2400g去离子水与500g纳米碳钛复合物以及3g碳酸氢铵投入反应釜中搅拌升温至88℃；
(3)将2300g去离子水与400g纳米碳钛复合物以及20g磺基琥珀酸盐投入预乳化釜中搅拌状态下投入全部的丙烯酸丁酯、甲基丙烯酸甲酯、苯乙烯和丙烯酸，搅拌30分钟后取出；
(4)将步骤(3)的混合液体加入已升温至88℃的反应釜中搅拌；
(5)取去200g离子水与30g过硫酸铵配成溶液；
(6)将步骤(5)取得的溶液一半投入反应釜中，维持反应釜温度在85～86℃搅拌；
(7)在预乳化釜中投入200g去离子水和100g双丙酮丙烯酰胺以及步骤(5)配置的溶液另一半搅拌混合均匀；
(8)将步骤(7)的产品取出向反应釜中滴加，维持反应釜稳定83～84℃，滴加时间为3小时，滴加完成后反应釜升温至88℃并保持温度2小时，然后反应釜温度降至60℃投入矿物油搅拌均匀，然后降温至50℃并投入异噻唑啉酮搅拌均匀，然后降温至40℃并投入氨水搅拌均匀，即可获得碳钛改性丙烯酸树脂。
称取上面步骤制备的碳钛改性丙烯酸树脂制备水性工业烤漆，按下列组分称取准备原材料：碳钛改性丙烯酸树脂(700g)、水性氨基树脂303-8(240g)、乙醇(25g)、乙二醇丁醚(5g)、二乙二醇丁醚(5g)、AMP95(6g)、去离子水(80g)、聚羧酸钾盐(2g)、烷基硫酸盐(1g)、矿物油(2g)、亚硝酸钠(0.8g)、膨润土(7g)、钛白粉(215g)、醇酯(15g)、异噻唑啉酮(1g)、缔合型聚氨酯增稠剂(2g)。
按下列步骤制备水性工业烤漆：
(1)将碳钛改性丙烯酸树脂加入调漆罐中，开动搅拌，搅拌速度300-500转，中心液面出现漩涡。用AMP95调节pH值至8.5±0.5；
(2)加入水性氨基树脂303-8，用离子水将乙醇、乙二醇丁醚、二乙二醇丁醚、聚羧酸钾盐、烷基硫酸盐和矿物油搅拌混合均匀后缓慢加入调漆罐；
(3)加入预溶解好的亚硝酸钠和膨润土分散15分钟，然后加入钛白粉，高速分散20分钟，用砂磨机研磨至细度小于55微米，用去离子水清洗研磨机；
(4)开启分散机，搅拌至中心产生漩涡，用去离子水将醇酯和异噻唑啉酮混合均匀后缓慢加入，搅拌20分钟；
(5)用缔合型聚氨酯增稠剂调节粘度至60-70ku。
本发明的一种水性工业烤漆具有水性环保，气味小的特点，同时本发明水性工业烤漆的体积固含高，干燥快，施工性良好，可低表面处理，可带微锈施工、基材表面处理要求低，具有很好的再涂刷性能，漆膜具有原位修补功能。涂层中的纳米材料有一定的迁移能力，能与裸露的铁氧化物反应形成稳定的络合物，有效抑制破损的漆面、针孔产生的腐蚀扩蚀。适用于常用的大部分黑色金属和有色金属基材。采用本发明的水性工业烤漆，涂装工艺简单，既可采用传统的一涂一烘方式，也可以采用多涂一烘的方式。
以上实施例仅供说明本发明之用，而非对本发明的限制，有关技术领域的技术人员，在不脱离本发明的精神和范围的情况下，还可以作出各种变换或变型，因此所有等同的技术方案也应该属于本发明的范畴，应由各权利要求所限定。

Claims (11)

1.一种水性工业烤漆，其特征在于，包括以下组分和质量百分含量：
以上组分质量百分含量之和为100％；
所述抗闪锈剂为亚硝酸钠；
所述杀菌剂为异噻唑啉酮；
所述碳钛改性丙烯酸树脂由以下组分和质量百分含量制备而成：
以上组分质量百分含量之和为100％。
2.如权利要求1所述的一种水性工业烤漆，其特征在于，所述水性氨基树脂选自脲醛树脂、三聚氰胺甲醛树脂和苯胺甲醛树脂中的至少一种。
3.如权利要求1所述的一种水性工业烤漆，其特征在于，所述助溶剂选自乙醇、乙二醇丁醚和二乙二醇丁醚中的至少一种。
4.如权利要求1所述的一种水性工业烤漆，其特征在于，所述分散剂选自聚羧酸金属盐、丙烯酸及酯共聚羧酸盐中至少一种。
5.如权利要求1所述的一种水性工业烤漆，其特征在于，所述颜料选自有机颜料和无机颜料中至少一种。
6.如权利要求1所述的一种水性工业烤漆，其特征在于，所述填料选自云母粉、石英粉、铁红粉、磷铁粉、硫酸钡、滑石粉和碳酸钙中至少一种。
7.如权利要求1所述的一种水性工业烤漆，其特征在于，所述消泡剂选自矿物油、有机硅类和聚醚类中至少一种。
8.如权利要求1所述的一种水性工业烤漆，其特征在于，所述防沉降剂选自膨润土、聚乙烯蜡和聚酰胺蜡中至少一种。
9.如权利要求1所述的一种水性工业烤漆，其特征在于，所述成膜助剂选自醇酯和醇醚中至少一种。
10.如权利要求1所述的一种水性工业烤漆，其特征在于，所述增稠剂选自纤维素、聚丙烯酸酯和缔合型聚氨酯增稠剂中至少一种。
11.如权利要求1所述的一种水性工业烤漆的制备方法，其特征在于，包括以下步骤：
(1)按以下组分制备碳钛改性丙烯酸树脂：
(2)称取以下组分和质量百分含量的原料：
(3)将碳钛改性丙烯酸树脂加入调漆罐中，开动搅拌，搅拌速度300-500转，中心液面出现漩涡。用pH调整剂调节pH值至8.5±0.5；
(4)向调漆罐中加入水性氨基树脂和助溶剂开始搅拌，用离子水将分散剂、润湿剂和消泡剂用搅拌混合均匀后缓慢加入调漆罐；
(5)加入预溶解好的抗闪锈剂和防沉降剂分散15分钟，然后加入颜料和填料，高速分散20分钟，用砂磨机研磨至细度小于55微米，用去离子水清洗研磨机；
(6)开启分散机，搅拌至中心产生漩涡，用去离子水将成膜助剂、杀菌剂混合均匀后缓慢加入，搅拌20分钟；
(7)用增稠剂调节粘度至60-70ku。
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CN110591527A (zh) * 2019-07-26 2019-12-20 福州中美达装饰材料有限公司 一种抗老化性能优的水性油漆及其制备方法

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