CN105733374A - 一种疏水性建筑涂料及其制备方法和应用 - Google Patents

一种疏水性建筑涂料及其制备方法和应用 Download PDF

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CN105733374A
CN105733374A CN201610297196.4A CN201610297196A CN105733374A CN 105733374 A CN105733374 A CN 105733374A CN 201610297196 A CN201610297196 A CN 201610297196A CN 105733374 A CN105733374 A CN 105733374A
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Abstract

本发明公开了一种疏水性建筑涂料及其制备方法和应用,该疏水性建筑涂料由以下按照重量份的原料组成:聚氯乙烯树脂40?48份、珍珠岩22?30份、二茂铁8?16份、三碱式硫酸铅2?10份、乙酰柠檬酸三乙酯5?12份、丙三醇16?24份、乙酸铵20?28份。将二茂铁与乙酸铵溶液混合,加热搅拌,然后加入聚氯乙烯树脂粉末,继续加热搅拌制得混合物A;将三碱式硫酸铅、乙酰柠檬酸三乙酯、丙三醇混合搅拌,加入珍珠岩粉末加热搅拌制得混合物B;将混合物A与混合物B加热搅拌、烘干后即得。本发明能够有效防止气体二氧化硫和水相硫酸对石灰石的侵蚀,防护涂层对石灰石建筑和石材制品有显著的保护作用,并且还具有抗菌效果、表面干燥快等优点。

Description

一种疏水性建筑涂料及其制备方法和应用
技术领域
本发明涉及建筑材料技术领域,具体是一种疏水性建筑涂料及其制备方法和应用。
背景技术
石灰石是重要的工业材料,在建筑上应用广泛,是烧制石灰和水泥等的重要原料,是以方解石为主要成分的碳酸盐岩。作为石灰石的建筑物或石材制品等,在长期的自然环境中经过风吹雨打,被不断地侵蚀遭到破坏。疏水性表面涂层可以有效地增强石灰石建筑材料遭受风雨的侵蚀,延长建筑物和石材的使用寿命。然而,现有许多应用的涂料通过封闭石灰石的微结构来防止风雨的侵蚀,这又阻止了它的透气性,从而促进了霉菌的生长和盐的风化。近年来,大气环境污染加剧,二氧化硫排放量增加,这样诱导的石灰石风化,普遍认为是石灰石与二氧化硫或酸雨的反应产物,其中以半水合物(CaSO4O.5H20)和石膏(CaSO42H20)形成难溶的钙盐造成风化。
发明内容
本发明的目的在于提供一种具有抗菌效果、表面干燥快、包装、运输方便、性能优良的疏水性建筑涂料及其制备方法和应用,以解决上述背景技术中提出的问题。
为实现上述目的,本发明提供如下技术方案:
一种疏水性建筑涂料,由以下按照重量份的原料组成:聚氯乙烯树脂40-48份、珍珠岩22-30份、二茂铁8-16份、三碱式硫酸铅2-10份、乙酰柠檬酸三乙酯5-12份、丙三醇16-24份、乙酸铵20-28份。
作为本发明进一步的方案:所述疏水性建筑涂料,由以下按照重量份的原料组成:聚氯乙烯树脂42-46份、珍珠岩24-28份、二茂铁10-14份、三碱式硫酸铅4-8份、乙酰柠檬酸三乙酯7-10份、丙三醇18-22份、乙酸铵22-26份。
作为本发明进一步的方案:所述疏水性建筑涂料,由以下按照重量份的原料组成:聚氯乙烯树脂44份、珍珠岩26份、二茂铁12份、三碱式硫酸铅6份、乙酰柠檬酸三乙酯9份、丙三醇20份、乙酸铵24份。
所述疏水性建筑涂料的制备方法,由以下步骤组成:
1)将聚氯乙烯树脂、珍珠岩分别粉碎、过200-300目筛,制得聚氯乙烯树脂粉末、珍珠岩粉末;
2)将乙酸铵与水配制成质量含量为15-20%的乙酸铵溶液;将二茂铁与乙酸铵溶液混合,加热至65-72℃,搅拌处理20-30min,然后加入聚氯乙烯树脂粉末,继续在该温度下加热搅拌40-50min,制得混合物A;
3)将三碱式硫酸铅、乙酰柠檬酸三乙酯、丙三醇混合,搅拌10-15min后,加入珍珠岩粉末,升温至55-60℃,在该温度下加热搅拌30-40min,制得混合物B;
4)将混合物A与混合物B混合,升温至75-80℃,并在该温度下搅拌45-60min,烘干后即得疏水性建筑涂料。
所述疏水性建筑涂料在建筑材料中的应用。
与现有技术相比,本发明的有益效果是:
本发明在各原料的相互作用下,能够有效防止气体二氧化硫和水相硫酸对石灰石的侵蚀,防护涂层对石灰石建筑和石材制品有显著的保护作用,并且还具有抗菌效果,效果显著。此外,本发明还具有表面干燥快、包装、运输方便、性能优良等优点。
具体实施方式
下面将结合本发明实施例,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
实施例1
本发明实施例中,一种疏水性建筑涂料,由以下按照重量份的原料组成:聚氯乙烯树脂40份、珍珠岩22份、二茂铁8份、三碱式硫酸铅2份、乙酰柠檬酸三乙酯5份、丙三醇16份、乙酸铵20份。
将聚氯乙烯树脂、珍珠岩分别粉碎、过200目筛,制得聚氯乙烯树脂粉末、珍珠岩粉末。将乙酸铵与水配制成质量含量为15%的乙酸铵溶液;将二茂铁与乙酸铵溶液混合,加热至65℃,搅拌处理20min,然后加入聚氯乙烯树脂粉末,继续在该温度下加热搅拌40min,制得混合物A。将三碱式硫酸铅、乙酰柠檬酸三乙酯、丙三醇混合,搅拌10min后,加入珍珠岩粉末,升温至55℃,在该温度下加热搅拌30min,制得混合物B。将混合物A与混合物B混合,升温至75℃,并在该温度下搅拌45min,烘干后即得疏水性建筑涂料。
实施例2
本发明实施例中,一种疏水性建筑涂料,由以下按照重量份的原料组成:聚氯乙烯树脂48份、珍珠岩30份、二茂铁16份、三碱式硫酸铅10份、乙酰柠檬酸三乙酯12份、丙三醇24份、乙酸铵28份。
将聚氯乙烯树脂、珍珠岩分别粉碎、过300目筛,制得聚氯乙烯树脂粉末、珍珠岩粉末。将乙酸铵与水配制成质量含量为20%的乙酸铵溶液;将二茂铁与乙酸铵溶液混合,加热至72℃,搅拌处理30min,然后加入聚氯乙烯树脂粉末,继续在该温度下加热搅拌50min,制得混合物A。将三碱式硫酸铅、乙酰柠檬酸三乙酯、丙三醇混合,搅拌15min后,加入珍珠岩粉末,升温至60℃,在该温度下加热搅拌40min,制得混合物B。将混合物A与混合物B混合,升温至80℃,并在该温度下搅拌60min,烘干后即得疏水性建筑涂料。
实施例3
本发明实施例中,一种疏水性建筑涂料,由以下按照重量份的原料组成:聚氯乙烯树脂42份、珍珠岩24份、二茂铁10份、三碱式硫酸铅4份、乙酰柠檬酸三乙酯7份、丙三醇18份、乙酸铵22份。
将聚氯乙烯树脂、珍珠岩分别粉碎、过300目筛,制得聚氯乙烯树脂粉末、珍珠岩粉末。将乙酸铵与水配制成质量含量为18%的乙酸铵溶液;将二茂铁与乙酸铵溶液混合,加热至70℃,搅拌处理25min,然后加入聚氯乙烯树脂粉末,继续在该温度下加热搅拌45min,制得混合物A。将三碱式硫酸铅、乙酰柠檬酸三乙酯、丙三醇混合,搅拌12min后,加入珍珠岩粉末,升温至58℃,在该温度下加热搅拌35min,制得混合物B。将混合物A与混合物B混合,升温至78℃,并在该温度下搅拌50min,烘干后即得疏水性建筑涂料。
实施例4
本发明实施例中,一种疏水性建筑涂料,由以下按照重量份的原料组成:聚氯乙烯树脂46份、珍珠岩28份、二茂铁14份、三碱式硫酸铅8份、乙酰柠檬酸三乙酯10份、丙三醇22份、乙酸铵26份。
将聚氯乙烯树脂、珍珠岩分别粉碎、过300目筛,制得聚氯乙烯树脂粉末、珍珠岩粉末。将乙酸铵与水配制成质量含量为18%的乙酸铵溶液;将二茂铁与乙酸铵溶液混合,加热至70℃,搅拌处理25min,然后加入聚氯乙烯树脂粉末,继续在该温度下加热搅拌45min,制得混合物A。将三碱式硫酸铅、乙酰柠檬酸三乙酯、丙三醇混合,搅拌12min后,加入珍珠岩粉末,升温至58℃,在该温度下加热搅拌35min,制得混合物B。将混合物A与混合物B混合,升温至78℃,并在该温度下搅拌50min,烘干后即得疏水性建筑涂料。
实施例5
本发明实施例中,一种疏水性建筑涂料,由以下按照重量份的原料组成:聚氯乙烯树脂44份、珍珠岩26份、二茂铁12份、三碱式硫酸铅6份、乙酰柠檬酸三乙酯9份、丙三醇20份、乙酸铵24份。
将聚氯乙烯树脂、珍珠岩分别粉碎、过300目筛,制得聚氯乙烯树脂粉末、珍珠岩粉末。将乙酸铵与水配制成质量含量为18%的乙酸铵溶液;将二茂铁与乙酸铵溶液混合,加热至70℃,搅拌处理25min,然后加入聚氯乙烯树脂粉末,继续在该温度下加热搅拌45min,制得混合物A。将三碱式硫酸铅、乙酰柠檬酸三乙酯、丙三醇混合,搅拌12min后,加入珍珠岩粉末,升温至58℃,在该温度下加热搅拌35min,制得混合物B。将混合物A与混合物B混合,升温至78℃,并在该温度下搅拌50min,烘干后即得疏水性建筑涂料。
对比例1
除不含有三碱式硫酸铅外,其配方及制备过程与实施例5一致。
对比例2
仅含有聚氯乙烯树脂、三碱式硫酸铅,其配方及制备过程与实施例5一致。
将实施例1-5及对比例1-2的涂料通过喷涂或刷涂于建筑物或石材制品上制备涂层的物理性能见表1。
表1
水接触角 耐SO2/H2O 膜硬度H 附着力 抗细菌率(大肠埃希氏菌),%
实施例1 >120° >500小时 >4 1级 95.5
实施例2 >121° >500小时 >4 1级 93.8
实施例3 >125° >550小时 >4 1级 99.4
实施例4 >126° >550小时 >4 1级 99.5
实施例5 >129° >600小时 >4 1级 99.9
对比例1 >90° >250小时 >2 2级 68.3
对比例2 <80° >100小时 >1 3级 15.8
对于本领域技术人员而言,显然本发明不限于上述示范性实施例的细节,而且在不背离本发明的精神或基本特征的情况下,能够以其他的具体形式实现本发明。因此,无论从哪一点来看,均应将实施例看作是示范性的,而且是非限制性的,本发明的范围由所附权利要求而不是上述说明限定,因此旨在将落在权利要求的等同要件的含义和范围内的所有变化囊括在本发明内。
此外,应当理解,虽然本说明书按照实施方式加以描述,但并非每个实施方式仅包含一个独立的技术方案,说明书的这种叙述方式仅仅是为清楚起见,本领域技术人员应当将说明书作为一个整体,各实施例中的技术方案也可以经适当组合,形成本领域技术人员可以理解的其他实施方式。

Claims (5)

1.一种疏水性建筑涂料,其特征在于,由以下按照重量份的原料组成:聚氯乙烯树脂40-48份、珍珠岩22-30份、二茂铁8-16份、三碱式硫酸铅2-10份、乙酰柠檬酸三乙酯5-12份、丙三醇16-24份、乙酸铵20-28份。
2.根据权利要求1所述的疏水性建筑涂料,其特征在于,由以下按照重量份的原料组成:聚氯乙烯树脂42-46份、珍珠岩24-28份、二茂铁10-14份、三碱式硫酸铅4-8份、乙酰柠檬酸三乙酯7-10份、丙三醇18-22份、乙酸铵22-26份。
3.根据权利要求2所述的疏水性建筑涂料,其特征在于,由以下按照重量份的原料组成:聚氯乙烯树脂44份、珍珠岩26份、二茂铁12份、三碱式硫酸铅6份、乙酰柠檬酸三乙酯9份、丙三醇20份、乙酸铵24份。
4.一种如权利要求1-3任一所述的疏水性建筑涂料的制备方法,其特征在于,由以下步骤组成:
1)将聚氯乙烯树脂、珍珠岩分别粉碎、过200-300目筛,制得聚氯乙烯树脂粉末、珍珠岩粉末;
2)将乙酸铵与水配制成质量含量为15-20%的乙酸铵溶液;将二茂铁与乙酸铵溶液混合,加热至65-72℃,搅拌处理20-30min,然后加入聚氯乙烯树脂粉末,继续在该温度下加热搅拌40-50min,制得混合物A;
3)将三碱式硫酸铅、乙酰柠檬酸三乙酯、丙三醇混合,搅拌10-15min后,加入珍珠岩粉末,升温至55-60℃,在该温度下加热搅拌30-40min,制得混合物B;
4)将混合物A与混合物B混合,升温至75-80℃,并在该温度下搅拌45-60min,烘干后即得疏水性建筑涂料。
5.一种如权利要求1-3任一所述的疏水性建筑涂料在建筑材料中的应用。
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