CN106867406A - 新型基于纳米材料的环保型涂料的制备方法 - Google Patents

新型基于纳米材料的环保型涂料的制备方法 Download PDF

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CN106867406A
CN106867406A CN201710264830.9A CN201710264830A CN106867406A CN 106867406 A CN106867406 A CN 106867406A CN 201710264830 A CN201710264830 A CN 201710264830A CN 106867406 A CN106867406 A CN 106867406A
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曾翔
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Abstract

本发明公开了新型基于纳米材料的环保型涂料的制备方法，将纳米二氧化钛、润湿剂按比例加入到去离子水混合搅拌均匀，以600‑800rpm进行高速分散均匀，得到水性分散体；将水性分散体加入搅拌的天然植物水性树脂中，搅拌均匀后，再按比例加入改性聚硅氧烷树脂、纳米二氧化硅、水性耐候性脂环族环氧树脂，并在研磨罐中搅拌均匀；再按比例加入消泡剂，搅拌45‑65分钟，至细度≤4μm；再按比例加入流平剂、去离子水、乙酸钠、分散体树脂、催化剂搅拌均匀后过滤，补水并调节粘度为85‑95KU，制得环保型涂料。

Description

新型基于纳米材料的环保型涂料的制备方法
技术领域
本发明涉及一种涂料，具体涉及新型基于纳米材料的环保型涂料的制备方法。
背景技术
随着我国经济的持续稳定增长和人们生活水平的不断提高，建筑及装潢业正迅猛发展，国内建筑内外墙涂料的年需求量可达数百万吨以上。但是，目前国内外内外墙建筑涂料的典型缺点是耐污性差、户外耐久性不好，使得建筑物外墙，尤其是各种道路(高速公路、铁路、城市道路)附近建筑物及其他建筑设施常常有各种灰尘。污垢、油污等，十分影响美观。传统的溶剂漆(俗称油漆)会对人体健康、环境产生危害，尤其在室内使用时，苯类等有毒的有机溶剂持续挥发时间长，直接危害人的健康和生命安全，因此，开发具有安全环保的涂料是关注人体健康一个必需解决的技术问题。
本发明的目的在于提供一种具有低VOC、无重金属的更环保的水性涂料及其制备方法。本发明所提供的涂料适用范围广，不仅具有优异的遮盖力、附着力和优秀的耐水性、耐化学性、耐磨损性，不会产生静电现象，而且可降低有机化合物的挥发量及重金属含量，是一种安全环保的涂料。
发明内容
本发明所要解决的技术问题是现有的涂料不具有环保的功能，并且附着力能力等性能差，目的在于提供新型基于纳米材料的环保型涂料的制备方法，解决现有涂料不环保，并且附着力差的问题。
本发明通过下述技术方案实现：
新型基于纳米材料的环保型涂料的制备方法，包括以下步骤：
(1)将纳米二氧化钛、润湿剂按比例加入到去离子水混合搅拌均匀，以600-800rpm进行高速分散均匀，得到水性分散体；
(2)将水性分散体加入搅拌的天然植物水性树脂中，搅拌均匀后，再按比例加入改性聚硅氧烷树脂、纳米二氧化硅、水性耐候性脂环族环氧树脂，并在研磨罐中搅拌均匀；
(3)再按比例加入消泡剂，搅拌45-65分钟，至细度≤4μm；
(4)再按比例加入流平剂、去离子水、乙酸钠、分散体树脂、催化剂搅拌均匀后过滤，补水并调节粘度为85-95KU，制得环保型涂料。
新型基于纳米材料的环保型涂料的制备方法，所述步骤(4)中分散体树脂为苯丙乳液、硅丙乳液、丙烯酸树脂或乳液、聚氨酯树脂、聚酯水性树脂、环氧水性树脂中的一种或多种。
新型基于纳米材料的环保型涂料的制备方法，所述步骤(4)中催化剂为过硫酸钾。
新型基于纳米材料的环保型涂料的制备方法，所述步骤(1)中，以700rpm进行高速分散均匀，得到水性分散体。
新型基于纳米材料的环保型涂料的制备方法，所述步骤(3)中，搅拌50分钟。
具体的，天然植物水性树脂从纯天然植物中提取制造的，产品呈液态自然干燥，有大自然植物原汁无毒芳香气味，优选松脂、生漆、枫脂、冷杉树脂、络石树脂中的一种或两种以上的混合物，进一步优选松脂或生漆或其混合物。
乙酸钠作为缓冲剂，能够调整乳液的酸碱度，保证引发过程的平稳度。
所述分散体树脂为苯丙乳液、硅丙乳液、丙烯酸树脂、聚氨酯树脂、聚酯水性树脂、环氧水性树脂中的一种或多种。分散体树脂选用的是不含游离单体，不含三苯，VOC的含量≤65g/L的物质。
上述分散体树脂在十二烷基磺酸钠的乳化作用下，并在催化剂过硫酸钾和缓冲剂乙酸钠的共同作用下，聚合形成共聚物。水性涂料中的固物成份就是上述的共聚物。
本发明与现有技术相比，具有如下的优点和有益效果：
1、本发明新型基于纳米材料的环保型涂料的制备方法，本发明所制备的涂料无毒无害，对环境污染小，并且附着力优于现有的环保涂料；
2、本发明新型基于纳米材料的环保型涂料的制备方法，本发明的附着力较好，并且其耐水性、耐化学性、耐磨损等性能也较好；
3、本发明新型基于纳米材料的环保型涂料的制备方法，本发明的制备工艺简单，便于操作。
具体实施方式
为使本发明的目的、技术方案和优点更加清楚明白，下面结合实施例，对本发明作进一步的详细说明，本发明的示意性实施方式及其说明仅用于解释本发明，并不作为对本发明的限定。
实施例
本发明新型基于纳米材料的环保型涂料的制备方法，包括以下步骤：
(1)将纳米二氧化钛、润湿剂按比例加入到去离子水混合搅拌均匀，以600-800rpm进行高速分散均匀，得到水性分散体；
(2)将水性分散体加入搅拌的天然植物水性树脂中，搅拌均匀后，再按比例加入改性聚硅氧烷树脂、纳米二氧化硅、水性耐候性脂环族环氧树脂，并在研磨罐中搅拌均匀；
(3)再按比例加入消泡剂，搅拌45-65分钟，至细度≤4μm；
(4)再按比例加入流平剂、去离子水、乙酸钠、分散体树脂、催化剂搅拌均匀后过滤，补水并调节粘度为85-95KU，制得环保型涂料。
所述步骤(4)中分散体树脂为苯丙乳液、硅丙乳液、丙烯酸树脂或乳液、聚氨酯树脂、聚酯水性树脂、环氧水性树脂中的一种或多种。所述步骤(4)中催化剂为过硫酸钾。所述步骤(1)中，以700rpm进行高速分散均匀，得到水性分散体。所述步骤(3)中，搅拌50分钟。
以上所述的具体实施方式，对本发明的目的、技术方案和有益效果进行了进一步详细说明，所应理解的是，以上所述仅为本发明的具体实施方式而已，并不用于限定本发明的保护范围，凡在本发明的精神和原则之内，所做的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (5)

1.新型基于纳米材料的环保型涂料的制备方法，其特征在于，包括以下步骤：
(1)将纳米二氧化钛、润湿剂按比例加入到去离子水混合搅拌均匀，以600-800rpm进行高速分散均匀，得到水性分散体；
(2)将水性分散体加入搅拌的天然植物水性树脂中，搅拌均匀后，再按比例加入改性聚硅氧烷树脂、纳米二氧化硅、水性耐候性脂环族环氧树脂，并在研磨罐中搅拌均匀；
(3)再按比例加入消泡剂，搅拌45-65分钟，至细度≤4μm；
(4)再按比例加入流平剂、去离子水、乙酸钠、分散体树脂、催化剂搅拌均匀后过滤，补水并调节粘度为85-95KU，制得环保型涂料。
2.根据权利要求1所述的新型基于纳米材料的环保型涂料的制备方法，其特征在于，所述步骤(4)中分散体树脂为苯丙乳液、硅丙乳液、丙烯酸树脂或乳液、聚氨酯树脂、聚酯水性树脂、环氧水性树脂中的一种或多种。
3.根据权利要求1所述的新型基于纳米材料的环保型涂料的制备方法，其特征在于，所述步骤(4)中催化剂为过硫酸钾。
4.根据权利要求1所述的新型基于纳米材料的环保型涂料的制备方法，其特征在于，所述步骤(1)中，以700rpm进行高速分散均匀，得到水性分散体。
5.根据权利要求1所述的新型基于纳米材料的环保型涂料的制备方法，其特征在于，所述步骤(3)中，搅拌50分钟。
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CN107652790A (zh) * 2017-10-27 2018-02-02 成都瞬科仪器仪表有限公司 环保型涂料的制备方法
CN108822603A (zh) * 2018-07-17 2018-11-16 苏州蓝沃奇纳米科技有限公司 一种涂层组合物的制备方法
CN108822604A (zh) * 2018-07-17 2018-11-16 苏州蓝沃奇纳米科技有限公司 一种涂层组合物、自清洁水性纳米涂层及结构体
CN109836999A (zh) * 2018-12-27 2019-06-04 安徽伊法拉电力科技有限公司 一种电网架空导线防腐涂料及其制备方法

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CN105385342A (zh) * 2015-11-24 2016-03-09 安徽省金盾涂料有限责任公司 一种水性耐候聚硅氧烷涂料

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CN105385342A (zh) * 2015-11-24 2016-03-09 安徽省金盾涂料有限责任公司 一种水性耐候聚硅氧烷涂料

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CN107652790A (zh) * 2017-10-27 2018-02-02 成都瞬科仪器仪表有限公司 环保型涂料的制备方法
CN108822603A (zh) * 2018-07-17 2018-11-16 苏州蓝沃奇纳米科技有限公司 一种涂层组合物的制备方法
CN108822604A (zh) * 2018-07-17 2018-11-16 苏州蓝沃奇纳米科技有限公司 一种涂层组合物、自清洁水性纳米涂层及结构体
CN109836999A (zh) * 2018-12-27 2019-06-04 安徽伊法拉电力科技有限公司 一种电网架空导线防腐涂料及其制备方法

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