CN107880706A - 一种单组分水性吊顶漆及其制备方法 - Google Patents

一种单组分水性吊顶漆及其制备方法 Download PDF

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CN107880706A
CN107880706A CN201711435279.6A CN201711435279A CN107880706A CN 107880706 A CN107880706 A CN 107880706A CN 201711435279 A CN201711435279 A CN 201711435279A CN 107880706 A CN107880706 A CN 107880706A
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陈金龙
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GUANGDONG ORIENT RESIN Co Ltd
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Abstract

本发明公开了一种单组分水性吊顶漆及其制备方法，所述水性吊顶漆包括如下按重量份数计算的组分：聚氨酯改性纯丙乳液50~60份，成膜助剂2~3份，丙二醇1~2份，消泡剂0.1~0.2份，防腐剂0.01~0.02份，分散剂0.2~0.5份，金红石钛白粉15~25份，碳酸钙10~15份，增稠剂0.6~1.2份，流平剂0.2~0.4份，润湿剂0.2~0.4份，水8~10份。将聚氨酯改性纯丙乳液与丙二醇、成膜助剂等材料复配，并控制各组分的含量，制备得到水性吊顶漆，制得的水性吊顶漆在木质基材、水泥基材、硅酸板以及石膏板上均具有良好的附着力，同时还具有很好的耐候性、耐水性以及耐划伤性能，在家庭装修时更加方便快捷，装修效果好。

Description

一种单组分水性吊顶漆及其制备方法
技术领域
本发明涉及涂料技术领域，更具体地，涉及一种单组分水性吊顶漆及其制备方法。
背景技术
建筑涂料以及家具涂料领域，水性吊顶漆一般为乳胶漆，在使用时，一般需要在木质基材和水泥基材上涂刷，但是现有的水性吊顶漆在木质基材上的附着力差，在水泥基材上的附着力一般，在家庭装修时使用效果不够理想。
发明内容
本发明为克服上述现有技术所述的缺陷，提供一种单组分水性吊顶漆。本发明的另一目的在于提供一种单组分水性吊顶漆的制备方法。
为解决上述技术问题，本发明采用的技术方案是：
一种单组分水性吊顶漆，包括如下按重量份数计算的组分：聚氨酯改性纯丙乳液 50~60份，成膜助剂2~3份，丙二醇1~2份，消泡剂0.1~0.2份，防腐剂0.01~0.02份，分散剂0.2~0.5份，金红石钛白粉15~25份，碳酸钙10~15份，增稠剂0.6~1.2份，流平剂0.2~0.4份，润湿剂0.2~0.4份，水8~10份。
聚氨酯改性纯丙乳液可由聚氨酯接枝改性纯丙乳液制备得到，制备方法可以参考现有技术。发明人通过大量研究发现，将聚氨酯改性纯丙乳液与丙二醇、成膜助剂等材料复配，并控制各组分的含量，制备得到水性吊顶漆，制得的水性吊顶漆在木质基材、水泥基材、硅酸板以及石膏板上均具有良好的附着力，同时还具有很好的耐候性、耐水性以及耐划伤性能，户内、户外都能使用。
优选地，所述聚氨酯改性纯丙乳液为阴离子水性树脂。
优选地，所述聚氨酯改性纯丙乳液的固含为40%~50%（重量）。
所述聚氨酯改性纯丙乳液可以通过市售得到；
所述聚氨酯改性纯丙乳液还可以采用如下方法制备：
S1.聚氨酯预聚物的制备：
在反应器中加入聚酯多元醇24.00~26.00份和异佛尔酮二异氰酸酯25.36~30.18份，在300~500rpm搅拌转速及氮气保护下加热至80~85℃，然后，测定-NCO含量，直至所测得的-NCO含量达到理论值；
然后保持上述转速和温度，将0.88~2.20份的双丙酮丙烯酰胺溶解到42.00~46.00份的活性稀释剂中，之后将上述稀释剂加入到反应体系中调节体系粘度，接着加入4.00~5.00份的亲水扩链剂、0.5~1.0份的三羟甲基丙烷、2.66~3.27份的二元醇及0.04~0.08份的二月桂酸二丁基锡，然后测量-NCO含量，直至-NCO含量达到理论值时，得到聚氨酯预聚物；
S2.将聚氨酯预聚物乳化、扩链：
保持S1.的转速，将制S1.聚氨酯预聚物降温到30~40℃，加入2.73~3.78份的中和剂，中和3~5min后；然后加入131.00~192.00份水，提高转速到1000~1500rpm，稀释乳化15~25min后，降低搅拌转速到300~500rpm；接着将1.07~2.32份的乙二胺溶解到24.00~26.00份的水中，用10~20分钟将上述乙二胺溶液滴加到反应器中，反应25~40分钟，然后再将0.91~2.26份的己二酸二肼溶解到24.00~26.00份水中，然后用9~11分钟将上述己二酸二肼溶液滴加到反应器中，在水相扩链反应0.5~1.0小时；
S3.聚氨酯改性纯丙乳液的制备：
保持S2.的转速，将S2.制得的反应体系升温到80~85℃，将0.24~0.28份的引发剂加入到4.00~5.00份的溶剂稀释，然后用20~30分钟将上述引发剂溶液滴加到反应体系中，保持80~85℃温度反应3~4小时，制得聚氨酯改性纯丙乳液。
S1.中所述-NCO含量的理论值为2.30%~4.00%；
所述活性稀释剂可以为甲基丙烯酸甲酯、甲基丙烯酸丁酯的混合物；
所述亲水扩链剂可以为2,2-二羟甲基丙酸；
所述二元醇可以为1,4-丁二醇；
所述中和剂可以为三乙胺；
S3.中所述引发剂及对应的溶剂可以为丙烯酸聚合常用的引发剂和溶剂。
优选地，所述成膜助剂为二丙二醇丁醚、二丙二醇甲醚、醇酯十二中的一种或几种的混合物。成膜助剂也称聚结助剂，能促进高分子化合物塑性流动和弹性变形，改善聚结性能，能在较广泛施工温度范围内成膜。
优选地，所述消泡剂为高支化硅酮聚合物、聚醚硅氧烷共聚物中的一种或两种的混合物。所述聚醚硅氧烷共聚物可以为聚醚硅氧烷共聚物TEGO-810、聚醚硅氧烷共聚物TEGO-902W中的一种或两种的混合物。
优选地，所述防腐剂为异噻唑啉酮、苯氧乙醇防腐剂中的一种或两种的混合物。所述异噻唑啉酮可以为罗门哈斯KATHON LXE防腐剂、索尔ACTICIDE RS异噻唑啉酮类杀菌剂中的一种或两种的混合物；所述苯氧乙醇可以为德国舒美PE9010苯氧乙醇防腐剂。
优选地，所述分散剂为罗门哈斯Orotan®731A通用型聚羧酸钠盐分散剂、罗门哈斯Orotan®快易聚丙烯酸钠盐分散剂中的一种或两种的混合物。
金红石钛白粉为白色颜料，可以采用本领域常用原料规格；碳酸钙可以采用本领域常用的碳酸钙粉末。
优选地，所述增稠剂为聚氨酯增稠剂。所述聚氨酯增稠剂可以为非离子型无溶剂疏水改性聚氨酯流变改性剂罗门哈斯RM-8W、疏水基团改性的非离子型缔合式增稠剂罗门哈斯RM2020、亚仕兰公司生产的型号为NLS200的聚氨酯增稠剂中的一种或几种的混合物。
优选地，所述流平剂为聚醚硅氧烷共聚物TEGO410、聚醚改性有机硅BYK333、聚醚硅氧烷共聚物迪高流平剂Glide 450中的一种或几种的混合物。
优选地，所述润湿剂为聚硅氧烷润湿剂。所述聚硅氧烷润湿剂为海明斯LevaslipW-469改性聚硅氧烷类底材润湿剂、聚醚硅氧烷共聚物TEGO270 、聚醚硅氧烷共聚物TEGO245、有机硅双生结构表面活性剂TEGO Twin 4000中的一种或几种的混合物。
优选地，所述水为去离子水。
优选地，所述水性吊顶漆还包括紫外吸收剂0.2~0.4份。上述单组分水性吊顶漆具有良好的抗老化性能，添加紫外吸收剂之后，能够进一步提高抗老化性能。
优选地，所述水性吊顶漆还包括防霉防藻剂0.6~1.0份。上述单组分水性吊顶漆具有良好的防霉防藻性能，通过添加防霉防藻剂，能够进一步提高防霉防藻性能，更加适合在户外使用。
优选地，所述水性吊顶漆还包括防涂鸦助剂0.5~6.5份。上述单组分水性吊顶漆具有良好的抗沾污能力，具有防涂鸦功能，通过添加防涂鸦助剂，能够进一步提高防涂鸦性能。
优选地，所述水性吊顶漆还包括手感助剂0.2~0.6份，蜡乳液3~6份。通过添加手感助剂、蜡乳液，能够提升上述水性吊顶漆的手感。
本发明的另一目的在于提供上述单组分水性吊顶漆的制备方法。
上述的水性吊顶漆的制备方法，包括如下步骤：
S1.将水、聚氨酯改性纯丙乳液、消泡剂混合进行搅拌分散；
S2.将剩下的组分逐一加入，搅拌均匀。
优选地，所述搅拌的条件为：搅拌速度为450~550r/min，搅拌时间为20~30min。
与现有技术相比，本发明的有益效果是：
本发明将聚氨酯改性纯丙乳液与丙二醇、成膜助剂等材料复配，并控制各组分的含量，制备得到水性吊顶漆，制得的水性吊顶漆在木质基材、水泥基材、硅酸板以及石膏板上均具有良好的附着力，同时还具有很好的耐候性、耐水性以及耐划伤性能，户内、户外都能使用，在家庭装修时更加方便快捷，装修效果好。
具体实施方式
下面结合具体实施方式对本发明作进一步的说明。
在实施例中，聚氨酯改性纯丙乳液采用广东东方树脂有限公司生产的型号为8201的水性树脂，参数如下：
成膜助剂采用陶氏公司生产的型号为DPNB的二丙二醇丁醚；消泡剂为赢创公司生产的型号为810的高支化硅酮聚合物；防腐剂为英国索尔公司生产的型号为RS的异噻唑啉酮；分散剂采用罗门哈斯Orotan®731A通用型聚羧酸钠盐分散剂；增稠剂为亚仕兰公司生产的型号为NLS200的聚氨酯增稠剂；流平剂为聚醚硅氧烷共聚物TEGO410；润湿剂为道康宁公司生产的型号为DC51的聚硅氧烷；
金红石钛白粉和碳酸钙通过普通市售得到，金红石钛白粉为山东东佳CR-237，碳酸钙为1250目通用超细碳酸钙；紫外吸收剂、防霉防藻剂、防涂鸦助剂、手感助剂和蜡乳液也通过普通市售得到。
实施例中的聚氨酯改性纯丙乳液还可以采用如下制备方法制备得到：
S1.聚氨酯预聚物的制备：
在装有搅拌器、温度计、冷凝管的500mL四口烧瓶里，加入聚酯多元醇26.00份和异佛尔酮二异氰酸酯30.18份，在500rpm搅拌转速及氮气保护下加热至85℃，反应至所测得的-NCO含量达到理论值（18.76%）；
然后保持上述转速和温度，将2.20份的双丙酮丙烯酰胺溶解到14.2份的甲基丙烯酸甲酯、31.8份的甲基丙烯酸丁酯中，充分溶解后，加入到反应体系中调节粘度，接着加入5.00份的亲水扩链剂2,2-二羟甲基丙酸（DMPA）、1.0份的三羟甲基丙烷、3.27份的1,4-丁二醇及0.08份的二月桂酸二丁基锡，然后测量-NCO含量，直至-NCO含量达到理论值（3.95%）时，得到聚氨酯预聚物；
S2.将聚氨酯预聚物乳化、扩链：
保持S1.的转速，将制S1.聚氨酯预聚物降温到40℃，加入3.78份的中和剂三乙胺，中和5min后；然后加入192.00份水，提高转速到1500rpm，稀释乳化20min后，降低搅拌转速到500rpm；接着将2.32份的乙二胺溶解到26.00份的水中，用10分钟将上述乙二胺溶液滴加到反应器中，反应30分钟，然后再将2.26份的己二酸二肼溶解到26.00份水中，然后用10分钟将上述己二酸二肼溶液滴加到反应器中，在水相扩链反应30分钟；
S3.聚氨酯改性纯丙乳液的制备：
保持S2.的转速，将S2.制得的反应体系升温到80℃，将0.28份的引发剂加入到5.00份的溶剂稀释，然后用20分钟将上述引发剂溶液滴加到反应体系中，保持80℃温度反应4小时，制得聚氨酯改性纯丙乳液。
测试方法：
（1）附着力测试，采用百格法测试，参考GB/T9286-1998进行；附着力测试的基材，有木质基材、水泥基材、硅酸板、石膏板；
（2）耐候性，采用耐人工气候老化性能测试；耐候性和耐水性测试，参考GB/T9755-2001《合成树脂乳液外墙涂料》及其引用标准；
（3）耐划伤性能测试，参考ISO12137-1:1997进行。
实施例1
（1）本实施例的单组分水性吊顶漆的组分如下：
聚氨酯改性纯丙乳液 60份，成膜助剂2.0份，丙二醇1.5份，消泡剂0.2份，防腐剂0.02份，分散剂0.2份，金红石钛白粉20份，碳酸钙13份，增稠剂0.9份，流平剂0.2份，润湿剂0.3份，水8份；
（2）本实施例的单组分水性吊顶漆的制备方法如下：
S1.按配方分别称取好上述各组分，按顺序依次加入去离子水、水性树脂和消泡剂，投入分散机中以500r/min的转速将上述组分搅拌25min；
S2.接着再依次投入润湿剂、成膜助剂、增稠剂和防腐剂等组分，每加入一种组分后，利用分散机将体系搅拌均匀，再投入下一个组分，待所有组分加入后，将整个体系搅拌均匀，即得产品。
实施例2
（1）本实施例的单组分水性吊顶漆的组分如下：
聚氨酯改性纯丙乳液 50份，成膜助剂2.5份，丙二醇1.0份，消泡剂0.15份，防腐剂0.01份，分散剂0.4份，金红石钛白粉15份，碳酸钙15份，增稠剂0.6份，流平剂0.3份，润湿剂0.4份，水9份；
（2）本实施例的单组分水性吊顶漆的制备方法如下：
S1.按配方分别称取好上述各组分，按顺序依次加入去离子水、水性树脂和消泡剂，投入分散机中以500r/min的转速将上述组分搅拌25min；
S2.接着再依次投入润湿剂、成膜助剂、增稠剂和防腐剂等组分，每加入一种组分后，利用分散机将体系搅拌均匀，再投入下一个组分，待所有组分加入后，将整个体系搅拌均匀，即得产品。
实施例3
（1）本实施例的单组分水性吊顶漆的组分如下：
聚氨酯改性纯丙乳液 60份，成膜助剂3.0份，丙二醇2.0份，消泡剂0.1份，防腐剂0.01份，分散剂0.5份，金红石钛白粉25份，碳酸钙10份，增稠剂1.2份，流平剂0.4份，润湿剂0.2份，水10份；
（2）本实施例的单组分水性吊顶漆的制备方法如下：
S1.按配方分别称取好上述各组分，按顺序依次加入去离子水、水性树脂和消泡剂，投入分散机中以500r/min的转速将上述组分搅拌25min；
S2.接着再依次投入润湿剂、成膜助剂、增稠剂和防腐剂等组分，每加入一种组分后，利用分散机将体系搅拌均匀，再投入下一个组分，待所有组分加入后，将整个体系搅拌均匀，即得产品。
对比例1
与实施例1的区别在于，聚氨酯改性纯丙乳液为 40份；
其他组分含量及制备方法与实施例1相同。
对比例2
与实施例1的区别在于，聚氨酯改性纯丙乳液为 70份；
其他组分含量及制备方法与实施例1相同。
对比例3
与实施例1的区别在于，采用阳离子丙烯酸乳液替换聚氨酯改性纯丙乳液，该阳离子丙烯酸乳液为SYNTRAN 6305，通过市售得到；
其他组分含量及制备方法与实施例1相同。
性能测试
表1
由表1可知，本发明的实施例1~3的水性吊顶漆在木质基材、水泥基材、硅酸板以及石膏板上均具有良好的附着力；对比例1~3在木质基材和硅酸板上附着力差，在水泥基材和石膏板上附着力一般，在家庭装修时，效果不够理想。
另外，实施例1~3同时还具有很好的耐候性、耐水性以及耐划伤性能；而对比例1~3经过对应的测试时间之后，结果如表1所示，对比例1~3的耐水性能不足，耐候性能不足，容易划伤。
显然，本发明的上述实施例仅仅是为清楚地说明本发明所作的举例，而并非是对本发明的实施方式的限定。对于所属领域的普通技术人员来说，在上述说明的基础上还可以做出其它不同形式的变化或变动。这里无需也无法对所有的实施方式予以穷举。凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本发明权利要求的保护范围之内。

Claims (10)

1.一种单组分水性吊顶漆，其特征在于，包括如下按重量份数计算的组分：聚氨酯改性纯丙乳液 50~60份，成膜助剂2~3份，丙二醇1~2份，消泡剂0.1~0.2份，防腐剂0.01~0.02份，分散剂0.2~0.5份，金红石钛白粉15~25份，碳酸钙10~15份，增稠剂0.6~1.2份，流平剂0.2~0.4份，润湿剂0.2~0.4份，水8~10份。
2.根据权利要求1所述的水性吊顶漆，其特征在于，所述成膜助剂为二丙二醇丁醚、二丙二醇甲醚、醇酯十二中的一种或几种的混合物。
3.根据权利要求1所述的水性吊顶漆，其特征在于，所述消泡剂为高支化硅酮聚合物、聚醚硅氧烷共聚物中的一种或两种的混合物。
4.根据权利要求1所述的水性吊顶漆，其特征在于，所述增稠剂为聚氨酯增稠剂。
5.根据权利要求1所述的水性吊顶漆，其特征在于，所述润湿剂为聚硅氧烷润湿剂。
6.根据权利要求1所述的水性吊顶漆，其特征在于，还包括紫外吸收剂0.2~0.4份。
7.根据权利要求1所述的水性吊顶漆，其特征在于，还包括防霉防藻剂0.6~1.0份。
8.根据权利要求1所述的水性吊顶漆，其特征在于，还包括防涂鸦助剂0.5~6.5份。
9.根据权利要求1所述的水性吊顶漆，其特征在于，还包括手感助剂0.2~0.6份，蜡乳液3~6份。
10.权利要求1~9任一项所述的水性吊顶漆的制备方法，其特征在于，包括如下步骤：
S1.将水、聚氨酯改性纯丙乳液、消泡剂混合进行搅拌分散；
S2.将剩下的组分逐一加入，搅拌均匀。
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