CN104774522A - 一种隔热涂料的制备方法 - Google Patents
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- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 12
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- APSBXTVYXVQYAB-UHFFFAOYSA-M sodium docusate Chemical compound [Na+].CCCCC(CC)COC(=O)CC(S([O-])(=O)=O)C(=O)OCC(CC)CCCC APSBXTVYXVQYAB-UHFFFAOYSA-M 0.000 claims description 3
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- C09D151/00—Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers
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Abstract
本发明涉及一种隔热涂料的制备方法，其中采用了特定的单体和配比，通过高温聚合工艺使聚合物包覆在纳米二氧化钛表面，有效避免了涂料中纳米组分的团聚，改善了纳米二氧化钛在涂料中的分散度和稳定性。此外，本发明采用了特定的组分配比，由此获得的涂料涂装后形成的涂层具有良好的隔热性、耐磨性、硬度、强度、附着性等多种优异性能。本发明的涂料制备方法简单易行，容易工业化生产。
Description
技术领域
本发明涉及一种隔热涂料的制备方法。
背景技术
随着我国建筑产业的发展，房屋的节能的重要性日益凸现。普通的外墙涂料会吸收太阳光中的红外线，并将其转化为热能，引起涂层温度升高，热量由涂层向底材，再由底材向内传导，导致房屋或容器内温度的升高。从理论上讲只要能够对热辐射进行有效的反射或者阻隔，就可以有效地起到隔热保温的效果，如采用硅酸盐类材料。经典的墙体保温隔热材料包括酚醛树脂合成材料、聚氨酯材料、玻璃纤维材料、硅酸铝岩棉、矿棉、橡塑、软木、珍珠岩等。这些材料存在着厚重，施工繁琐、耐水性差等缺点。
发明内容
本发明的目的在于提供一种隔热涂料的制备方法，由其制备的涂层具有良好的隔热性、附着性、耐磨性和强度，制备成本低廉，施工简单。
为解决上述技术问题，本发明采用如下技术方案：
一种隔热涂料的制备方法，包括如下制备步骤：
a）纳米二氧化钛的改性：以重量份数计，取纳米二氧化钛10g，将其分散在甲苯中，而后加入硅烷偶联剂KH550 8g，而后以10℃/min的速率升温至100℃，搅拌反应1h，经离心、洗涤、干燥获得表面改性的纳米二氧化钛粉体。
b）复合树脂的制备：以重量份数计，取戊二酸8份、苯乙烯10份、甲基丙烯酸正丁酯 10份，甲基丙烯酸甲酯10份，依次加入反应器中，而后加入OP-13 2份，TX-13 2份，步骤a）制得的纳米二氧化钛粉体 15份，搅拌均匀后加入过硫酸钠1份，以10℃/min的速率升温至80℃，搅拌20min后，再加入过硫酸钠1份，升温至90℃后，搅拌反应2小时，再加入戊二酸5份、苯乙烯5份、甲基丙烯酸正丁酯 5份，甲基丙烯酸甲酯 5份，过硫酸钠0.5份，充分搅拌，升温至95℃，保温2h，缓慢降温至20℃，得到包覆纳米二氧化钛型聚合物复合树脂。
c）涂料的制备：以重量份数计，取步骤b）制得的复合树脂40份，二辛基磺基琥珀酸钠3份，二氧化硅微球2份，云母 15份，颜料2份，杀菌剂 3份，消泡剂1份，pH值调节剂0.8份，溶剂80份，加入容器中，充分搅拌，混合均匀，研磨2小时，过滤后得到涂料产品。
所述步骤a）、b）、c）中的搅拌速率均为300-400转/min。
所述步骤c）中的过滤采用200目涂料过滤网过滤。
本发明的有益效果
本发明的隔热涂料中采用了特定的单体和配比，通过高温聚合工艺使聚合物包覆在纳米二氧化钛表面，有效避免了涂料中纳米组分的团聚，改善了纳米二氧化钛在涂料中的分散度和稳定性。此外，本发明采用了特定的组分配比，由此获得的涂料涂装后形成的涂层具有良好的隔热性、耐磨性、硬度、强度、附着性等多种优异性能。本发明的涂料制备方法简单易行，容易工业化生产。
具体实施方式
下面结合实施例对本发明作进一步说明，但本发明要求保护的范围并不局限于实施例表述的范围。本发明中除非特别指明外，实施例所涉及的比例均为重量百分比。
实施例1
纳米二氧化钛的改性：以重量份数计，取纳米二氧化钛10g，将其分散在甲苯中，而后加入硅烷偶联剂KH550 8g，而后以10℃/min的速率升温至100℃，搅拌反应1h，经离心、洗涤、干燥获得表面改性的纳米二氧化钛粉体。
复合树脂的制备：以重量份数计，取戊二酸8份、苯乙烯10份、甲基丙烯酸正丁酯 10份，甲基丙烯酸甲酯10份，依次加入反应器中，而后加入OP-13 2份，TX-13 2份，表面改性的纳米二氧化钛粉体 15份，搅拌均匀后加入过硫酸钠1份，以10℃/min的速率升温至80℃，搅拌20min后，再加入过硫酸钠1份，升温至90℃后，搅拌反应2小时，再加入戊二酸5份、苯乙烯5份、甲基丙烯酸正丁酯 5份，甲基丙烯酸甲酯 5份，过硫酸钠0.5份，充分搅拌，升温至95℃，保温2h，缓慢降温至20℃，得到包覆纳米二氧化钛型聚合物复合树脂。
涂料的制备：以重量份数计，包覆纳米二氧化钛型聚合物复合树脂40份，二辛基磺基琥珀酸钠3份，二氧化硅微球2份，云母 15份，颜料2份，杀菌剂 3份，消泡剂1份，pH值调节剂0.8份，溶剂80份，加入容器中，充分搅拌，混合均匀，研磨2小时，采用200目涂料过滤网过滤后得到涂料产品。
采用实施例1的涂料制备涂层，并对其进行常规性能测试，结果如下：
Claims (3)
1.一种隔热涂料的制备方法，其特征在于包括如下制备步骤：
a）纳米二氧化钛的改性：以重量份数计，取纳米二氧化钛10g，将其分散在甲苯中，而后加入硅烷偶联剂KH550 8g，而后以10℃/min的速率升温至100℃，搅拌反应1h，经离心、洗涤、干燥获得表面改性的纳米二氧化钛粉体；
b）复合树脂的制备：以重量份数计，取戊二酸8份、苯乙烯10份、甲基丙烯酸正丁酯 10份，甲基丙烯酸甲酯10份，依次加入反应器中，而后加入OP-13 2份，TX-13 2份，步骤a）制得的纳米二氧化钛粉体 15份，搅拌均匀后加入过硫酸钠1份，以10℃/min的速率升温至80℃，搅拌20min后，再加入过硫酸钠1份，升温至90℃后，搅拌反应2小时，再加入戊二酸5份、苯乙烯5份、甲基丙烯酸正丁酯 5份，甲基丙烯酸甲酯 5份，过硫酸钠0.5份，充分搅拌，升温至95℃，保温2h，缓慢降温至20℃，得到包覆纳米二氧化钛型聚合物复合树脂；
c）涂料的制备：以重量份数计，取步骤b）制得的复合树脂40份，二辛基磺基琥珀酸钠3份，二氧化硅微球2份，云母 15份，颜料2份，杀菌剂 3份，消泡剂1份，pH值调节剂0.8份，溶剂80份，加入容器中，充分搅拌，混合均匀，研磨2小时，过滤后得到涂料产品。
2.如权利要求1所述的制备方法，其特征在于：步骤a）、b）、c）中的搅拌速率均约为300-400转/min。
3.如权利要求1所述的制备方法，其特征在于：步骤c）中的过滤采用200目涂料过滤网过滤。
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108002433A (zh) * | 2017-11-30 | 2018-05-08 | 宁波激智科技股份有限公司 | 一种改性钛白粉及其制备方法、及一种扩散膜 |
| CN110963753A (zh) * | 2019-12-30 | 2020-04-07 | 杭州邦士顿墙体材料有限公司 | 五合一多功能复合砂浆及制备方法 |
| CN111592238A (zh) * | 2020-05-07 | 2020-08-28 | 北京宇航系统工程研究所 | 一种提高玻璃纤维软化点和高温辐射率的涂层材料及其制备方法和应用 |
| CN114908947A (zh) * | 2022-04-26 | 2022-08-16 | 中科润资(重庆)节能科技有限公司 | 一种耐高温防排烟风管及其制造方法 |
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| CN104356721A (zh) * | 2014-12-10 | 2015-02-18 | 李永志 | 一种亲水性隔热涂料 |
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| JP2002544348A (ja) * | 1999-05-12 | 2002-12-24 | クレアヴィス ゲゼルシャフト フュア テヒノロギー ウント イノヴェイション ミット ベシュレンクテル ハフツング | 抗微生物性コポリマー |
| WO2009013500A1 (en) * | 2007-07-24 | 2009-01-29 | Imperial Innovations Limited | Particle stabilised high internal phase emulsions |
| CN101974274A (zh) * | 2010-10-27 | 2011-02-16 | 常州光辉化工有限公司 | 水性丙烯酸隔热保温涂料及其制备方法 |
| CN103467747A (zh) * | 2013-08-13 | 2013-12-25 | 嘉兴市清河高力绝缘有限公司 | 水性丙烯酸改性醇酸乳液及其氨基烤漆的制备方法 |
| CN103555102A (zh) * | 2013-10-14 | 2014-02-05 | 苏州富莱希涂料有限公司 | 一种反射隔热外墙涂料 |
| CN104356721A (zh) * | 2014-12-10 | 2015-02-18 | 李永志 | 一种亲水性隔热涂料 |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108002433A (zh) * | 2017-11-30 | 2018-05-08 | 宁波激智科技股份有限公司 | 一种改性钛白粉及其制备方法、及一种扩散膜 |
| CN110963753A (zh) * | 2019-12-30 | 2020-04-07 | 杭州邦士顿墙体材料有限公司 | 五合一多功能复合砂浆及制备方法 |
| CN111592238A (zh) * | 2020-05-07 | 2020-08-28 | 北京宇航系统工程研究所 | 一种提高玻璃纤维软化点和高温辐射率的涂层材料及其制备方法和应用 |
| CN114908947A (zh) * | 2022-04-26 | 2022-08-16 | 中科润资(重庆)节能科技有限公司 | 一种耐高温防排烟风管及其制造方法 |
| CN114908947B (zh) * | 2022-04-26 | 2023-10-20 | 中科润资(重庆)节能科技有限公司 | 一种耐高温防排烟风管及其制造方法 |
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| CN104774522B (zh) | 2017-01-11 |
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