CN112210282A - 高施工宽泛性的水性双组份白面高光漆及其制备方法 - Google Patents
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Abstract
本发明提供的高施工宽泛性的水性双组份白面高光漆及其制备方法,由主漆和固化剂按照质量比100:(23~27)混合使用;主漆由包括以下百分数的原料制成:水性羟基二级分散体:40%~50%,水性羟基一级分散体:15%~20%;钛白粉:18%~22%,消泡剂:0.6%~0.9%,流平剂:0.5%~1.0%,润湿分散剂:2.5%~3.2%,助溶剂4.0%~8.0%,去离子水:6%~13%,流变助剂:0.8%~1.5%;固化剂为60%~80%的水分散型异氰酸酯与20%~40%的助溶剂的混合物。本发明的产品施工宽泛性极佳,干膜呈现镜面效果,手感和丰满度兼具;活化期满足4H粘度保持稳定,涂膜效果基本无异常。
Description
技术领域
本发明属于水性木器涂料领域,具体涉及一种高施工宽泛性的水性双组份白面高光漆及其制备方法。
技术背景
双组份高光木器涂料因其高光泽、高丰满度以及镜面效果等特点,在一些高端家具涂装中得到了消费者的青睐。但是,现有高光涂料以传统溶剂型高光涂料为主,因为含有大量的可挥发性有机物,例如苯、二甲苯等有害物质,不仅影响着施工人员的身体健康,同时会污染环境并造成资源浪费,因此需要解决油漆VOC含量高,污染严重及火灾隐患的问题。
水性木器涂料是以水为分散介质的一类涂料,具有不燃、无毒、不污染环境、节省能源等优点,市场前景广阔。但是,水性双组份木器涂料在高光应用领域,存在施工宽泛性差,对环境和施工条件要求高,施工和待干环境要求苛刻,温度和湿度稍有波动,就易出现针孔、暗泡、火山口等表面缺陷,难以大面积推广应用。而且,由于水性高光涂料的主体树脂为高羟值的二级分散体,需要加入较多量的固化剂以满足成膜质量,这带来的是活化期的缩短以及副反应增多造成的光泽不够高,丰满度差等缺陷;且现有水性双组份白面高光涂料的鲜映性与溶剂型产品相比还有一定差距,长波和短波流平性较差,导致水性双组份白面高光涂料的装饰效果较差。因此,有必要研发一款高施工宽泛性的水性双组份白面高光漆,且各项指标均达到国标GB/T23999-2009。
发明内容
本发明的目的在于提供种一种高施工宽泛性的水性双组份白面高光漆及其制备方法,以解决现有技术存在的施工宽泛性差、光泽不够高,丰满度差、装饰效果差等问题。
本发明的一种高施工宽泛性的水性双组份白面高光漆,其特征在于,由主漆和固化剂按照质量比100:(23~27)进行混合使用;
所述主漆由包括以下百分数的原料制成:水性羟基二级分散体:40%~50%,水性羟基一级分散体:15%~20%;钛白粉:18%~22%,消泡剂:0.6%~0.9%,流平剂:0.5%~1.0%,润湿分散剂:2.5%~3.2%,助溶剂4.0%~8.0%,去离子水:6%~13%,流变助剂:0.8%~1.5%;
所述固化剂为60%~80%的水分散型异氰酸酯与20%~40%的助溶剂的混合物;
优选地,所述主漆和固化剂按照质量比100:25进行混合使用;
所述水性羟基二级分散体为羟基含量为3.5-4.0的水性含羟基官能团聚丙烯酸酯分散体中的一种或多种的混合物,具有高硬、高丰满度且对颜料润湿性好的特点,粘度为1000~3000mPa.s,例如:科思创的A2770和A2601产品,猴圣化工的4002L和4004的产品;
所述水性羟基一级分散体为羟基含量为2.5苯乙烯丙烯酸共聚物分散体,例如:帝斯曼XK110,该分散体光泽高,耐性好,且不易起泡;
所述钛白粉为通用型金红石二氧化钛,平均粒径0.26um,优选为杜邦的R-706钛白粉;
所述消泡剂为聚醚硅氧烷共聚物类型消泡剂和/或炔二醇类消泡剂,优选为:BYK-024、赢创TEGO902W、空气化学AD-01,其相容性好,且脱泡和消泡效率高;
所述润湿剂为有机硅氧烷双生结构表面活性剂(例如:TEGO-4100)和/或聚醚改性聚二甲基硅氧烷(例如BYK-3455),配合使用更好,可以达到动态以及静态润湿的最佳平衡效果;
所述分散剂为含高颜料亲和基团的有机改性聚丙烯酸酯溶液中的一种或多种,例如:TEGO-755W、TEGO-735W、TEGO-760W,展色性优异,且不易起泡;
所述流变助剂为聚醚聚氨酯类流变助剂(例如:海明斯的增稠剂R212、R299)和/或改性聚脲类流变助剂(例如:BYK-420),搭配使用可以平衡低剪切和高剪切粘度并提高体系的抗流挂能力;
所述水分散型异氰酸酯为基于六亚甲基二异氰酸酯(HDI)的亲水性脂肪族聚异氰酸酯(科思创的XP2655)和/或基于异佛尔酮二异氰酸酯(IPDI)的亲水改性脂肪族聚异氰酸酯(例如:科思创401-60);
所述助溶剂为丙二醇甲醚醋酸酯、二丙二醇二甲醚、乙二醇丁醚的一种或多种。
本发明所述的一种高施工宽泛性的水性双组份白面高光漆的制备方法,其特征在于,采用包括以下步骤制备所述主漆:
(1)将2/5~3/5的所述去离子水、1/5~1/3的所述消泡剂、2/3~5/7的所述润湿分散剂以及1/3~1/2的所述流变助剂在200~400r/min的速率下搅拌3~10min;然后加入所述钛白粉,再以1200~2500r/min的速率分散至少10min至混合浆料的细度≤15μm,得到白色浆;
(2)将所述水性羟基二级分散体和所述水性羟基一级分散体加入备料缸中,再加入余下的所述润湿分散剂和余下的所述消泡剂,以1200~2000r/min的速率分散至少15min至该浆料在玻璃板上无缩孔;再在800~1500r/min的速率下将所述助溶剂和余下的所述去离子水的混合物加入其中,继续分散10~20min,然后加入余下的所述流变助剂,得到树脂浆料;
(3)在800~1500r/min的速率搅拌下,将所述白色浆加入到所述树脂浆料中;再以1200~2000r/min的速率分散15~30min至刮细度板细度≤20μm,调整粘度至合格,即可得到本发明的水性双组份白面高光漆的主漆;
将所述主漆和所述固化剂按照质量比100:(23~27)进行混合,即可得到本发明的高施工宽泛性的水性双组份白面高光漆。
进一步地,所述主漆的25℃下涂4杯粘度要求35~40s,PH值为8.0~9.0。
与现有技术相比,本发明具有如下优点:
本发明选用粘度为1000~3000mPa.s,羟基含量为4.0的羟基二级分散体搭配合适比例的羟基含量为2.5的苯乙烯丙烯酸共聚物分散体,得到高丰满度和高硬度的水性高光木器涂料;选用展色性好且不稳泡的润湿分散剂和平均粒径0.26um的钛白粉,配合主体树脂做出来的产品,60°角测光泽可达到95~96;选用相容性好的消泡剂搭配合适的助溶剂,使干燥后的漆膜无痱子、针孔、暗泡、火山口等表面缺陷。
本发明的产品施工宽泛性极佳,在温度10~35℃、湿度30%~80%的施工环境下,均可达到没有漆膜弊病的表面效果,起泡膜厚(湿膜)可达到200μm,干膜呈现镜面效果,且鲜映度DOI,长波流平LW,短波流平SW的测试数据均优于同类产品,手感和丰满度兼具;活化期优异,在35℃的恒温环境下测试活化期,可满足4H粘度保持稳定,且涂膜效果基本无异常。
具体施工方式:
下面通过实施例的方式进一步说明本发明,应注意本发明的实施例只是对本发明的内容予以解释说明,并不构成对本发明技术方案的限制。
实施例1
一种高施工宽泛性的水性双组份白面高光漆,其原料组分及质量分数为:
水性羟基二级分散体A2470:40%,水性羟基一级分散体XK110:20%;钛白粉R706:21%,消泡剂TEGO902W:0.4%和空气化学AD-01:0.5%,流平剂TEGO4100:0.5%和BYK3455:0.3%,分散剂TEGO755W:1.4%和TEGO735W:1.4%,助溶剂DPM:4%和BCS:4%,去离子水:6%,流变助剂R212:0.3%和R299:0.2%;
采用包括以下步骤制备所述主漆:
(1)将2/5的所述去离子水、1/5的所述消泡剂、2/3的所述润湿分散剂以及1/3的所述流变助剂在300r/min的速率下搅拌8min;然后加入所述钛白粉,再以1500r/min的速率分散14min至混合浆料的细度≤15μm,得到白色浆;
(2)将所述水性羟基二级分散体和所述水性羟基一级分散体加入备料缸中,再加入余下的所述润湿分散剂和余下的所述消泡剂,以1500r/min的速率分散20min至该浆料在玻璃板上无缩孔;再在1200r/min的速率下将所述助溶剂和余下的所述去离子水的混合物加入其中,继续分散15min,然后加入余下的所述流变助剂,得到树脂浆料;
(3)在1200r/min的速率搅拌下,将所述白色浆加入到所述树脂浆料中;再以1500r/min的速率分散20min至刮细度板细度≤20μm,25℃下涂4杯粘度为38s,PH值为8.1,调整粘度至合格,即可得到本发明的水性双组份白面高光漆的主漆;
固化剂为20%的丙二醇甲醚醋酸酯与80%的科思创XP2655的混合物;
将所述主漆和所述固化剂按照质量比100:25进行混合,即可得到本发明的高施工宽泛性的水性双组份白面高光漆。
在温度19℃、湿度37%下,按照涂布量180g/㎡在展辰ZW22010白底板上进行喷涂施工,喷涂完成后,室温待干48H。
实施例2
一种高施工宽泛性的水性双组份白面高光漆,其原料组分及质量分数为:
水性羟基二级分散体A2470:45%,水性羟基一级分散体XK110:15%;钛白粉R706:21%,消泡剂TEGO902W:0.4%;BYK024:0.2%和空气化学AD-01:0.5%,润湿剂TEGO4100:0.5%和BYK3455:0.3%,分散剂TEGO755W:1.4%和TEGO735W:1.2%,助溶剂DPM:5%和BCS:3%,去离子水:6%,流变助剂R212:0.3%和R299:0.2%;
采用包括以下步骤制备所述主漆:
(1)将3/5的所述去离子水、1/3的所述消泡剂、2/3的所述润湿分散剂以及1/2的所述流变助剂在250r/min的速率下搅拌10min;然后加入所述钛白粉,再以2000r/min的速率分散10min至混合浆料的细度≤15μm,得到白色浆;
(2)将所述水性羟基二级分散体和所述水性羟基一级分散体加入备料缸中,再加入余下的所述润湿分散剂和余下的所述消泡剂,以1800r/min的速率分散17min至该浆料在玻璃板上无缩孔;再在1500r/min的速率下将所述助溶剂和余下的所述去离子水的混合物加入其中,继续分散10min,然后加入余下的所述流变助剂,得到树脂浆料;
(3)在800r/min的速率搅拌下,将所述白色浆加入到所述树脂浆料中;再以1700r/min的速率分散18min至刮细度板细度≤20μm,25℃下涂4杯粘度为35s,PH值为8.3,调整粘度至合格,即可得到本发明的水性双组份白面高光漆的主漆;
固化剂为25%的丙二醇甲醚醋酸酯与75%的科思创XP2655的混合物;
将所述主漆和所述固化剂按照质量比100:24进行混合,即可得到本发明的高施工宽泛性的水性双组份白面高光漆。
在温度26℃、湿度43%下,按照涂布量180g/㎡在展辰ZW22010白底板上进行喷涂施工,喷涂完成后,室温待干48H。
实施例3
一种高施工宽泛性的水性双组份白面高光漆,其原料组分及质量分数为:
水性羟基二级分散体A2470:25%,4002L:20%,水性羟基一级分散体XK110:15%;钛白粉R706:21%,消泡剂TEGO902W:0.4%;BYK024:0.2%和空气化学AD-01:0.5%,润湿剂TEGO4100:0.5%和BYK3455:0.3%,分散剂TEGO755W:1.4%和TEGO760W:1.2%,助溶剂DPM:6%和BCS:2%,去离子水:6%,流变助剂R212:0.3%和R299:0.2%
采用包括以下步骤制备所述主漆:
(1)将2/5的所述去离子水、1/4的所述消泡剂、5/7的所述润湿分散剂以及1/2的所述流变助剂在400r/min的速率下搅拌5min;然后加入所述钛白粉,再以2300r/min的速率分散12min至混合浆料的细度≤15μm,得到白色浆;
(2)将所述水性羟基二级分散体和所述水性羟基一级分散体加入备料缸中,再加入余下的所述润湿分散剂和余下的所述消泡剂,以1200r/min的速率分散21min至该浆料在玻璃板上无缩孔;再在1000r/min的速率下将所述助溶剂和余下的所述去离子水的混合物加入其中,继续分散14min,然后加入余下的所述流变助剂,得到树脂浆料;
(3)在800~1500r/min的速率搅拌下,按照所述白色浆:所述树脂浆料=30:70的比例,将所述白色浆加入到所述树脂浆料中;再以1200r/min的速率分散30min至刮细度板细度≤20μm,25℃下涂4杯粘度为37s,PH值为8.2,调整粘度至合格,即可得到本发明的水性双组份白面高光漆的主漆;
固化剂为30%的丙二醇甲醚醋酸酯与70%的科思创XP2655的混合物;
将所述主漆和所述固化剂按照质量比100:25进行混合,即可得到本发明的高施工宽泛性的水性双组份白面高光漆。
在温度34℃、湿度50%下,按照涂布量180g/㎡在展辰ZW22010白底板上进行喷涂施工,喷涂完成后,室温待干48H。
将实施例1~3按照双组份白面高光常用检测项目进行测试,结果见表1。
表1实施例1~3的测试结果
从本表中可以看出,按照以上双组份白面高光产品常用检测项目,以上实施案例的各项数据均具有非常优异的表面效果以及活化期,竞争优势明显。
Claims (10)
1.一种高施工宽泛性的水性双组份白面高光漆,其特征在于,由主漆和固化剂按照质量比100:(23~27)进行混合使用;
所述主漆由包括以下百分数的原料制成:水性羟基二级分散体:40%~50%,水性羟基一级分散体:15%~20%;钛白粉:18%~22%,消泡剂:0.6%~0.9%,流平剂:0.5%~1.0%,润湿分散剂:2.5%~3.2%,助溶剂4.0%~8.0%,去离子水:6%~13%,流变助剂:0.8%~1.5%;
所述固化剂为60%~80%的水分散型异氰酸酯与20%~40%的助溶剂的混合物。
2.根据权利要求1所述的水性双组份白面高光漆,其特征在于,所述主漆和固化剂按照质量比100:25进行混合使用。
3.根据权利要求1所述的水性双组份白面高光漆,其特征在于,所述水性羟基二级分散体为羟基含量为3.5-4.0的水性含羟基官能团聚丙烯酸酯分散体中的一种或多种的混合物;所述水性羟基一级分散体为羟基含量为2.5的苯乙烯丙烯酸共聚物分散体。
4.根据权利要求1所述的水性双组份白面高光漆,其特征在于,所述钛白粉为通用型金红石二氧化钛,平均粒径0.26um。
5.根据权利要求1所述的水性双组份白面高光漆,其特征在于,所述消泡剂为聚醚硅氧烷共聚物类型消泡剂和/或炔二醇类消泡剂;所述流平剂为有机硅氧烷双生结构表面活性剂和/或聚醚改性聚二甲基硅氧烷。
6.根据权利要求1所述的水性双组份白面高光漆,其特征在于,所述润湿分散剂为含高颜料亲和基团的有机改性聚丙烯酸酯溶液中的一种或多种;所述流变助剂为聚醚聚氨酯类流变助剂和/或改性聚脲类流变助剂。
7.根据权利要求1所述的水性双组份白面高光漆,其特征在于,所述水分散型异氰酸酯为基于六亚甲基二异氰酸酯的亲水性脂肪族聚异氰酸酯和/或基于异佛尔酮二异氰酸酯的亲水改性脂肪族聚异氰酸酯。
8.根据权利要求1所述的水性双组份白面高光漆,其特征在于,所述助溶剂为丙二醇甲醚醋酸酯、二丙二醇二甲醚、乙二醇丁醚的一种或多种。
9.根据权利要求1~8任意一项所述的水性双组份白面高光漆的制备方法,其特征在于,采用包括以下步骤制备所述主漆:
(1)将2/5~3/5的所述去离子水、1/5~1/3的所述消泡剂、2/3~5/7的所述润湿分散剂以及1/3~1/2的所述流变助剂在200~400r/min的速率下搅拌3~10min;然后加入所述钛白粉,再以1200~2500r/min的速率分散至少10min至混合浆料的细度≤15μm,得到白色浆;
(2)将所述水性羟基二级分散体和所述水性羟基一级分散体加入备料缸中,再加入余下的所述润湿分散剂和余下的所述消泡剂,以1200~2000r/min的速率分散至少15min至该浆料在玻璃板上无缩孔;再在800~1500r/min的速率下将所述助溶剂和余下的所述去离子水的混合物加入其中,继续分散10~20min,然后加入余下的所述流变助剂,得到树脂浆料;
(3)在800~1500r/min的速率搅拌下,将所述白色浆加入到所述树脂浆料中;再以1200~2000r/min的速率分散15~30min至刮细度板细度≤20μm,调整粘度至合格,即可得到本发明的水性双组份白面高光漆的主漆;
将所述主漆和所述固化剂按照质量比100:(23~27)进行混合,即可得到本发明的高施工宽泛性的水性双组份白面高光漆。
10.根据权利要求9所述的水性双组份白面高光漆的制备方法,其特征在于,所述主漆的25℃下涂4杯粘度要求35~40s,PH值为8.0~9.0。
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