CN104263101A - 一种室内建筑涂料 - Google Patents
一种室内建筑涂料 Download PDFInfo
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- C—CHEMISTRY; METALLURGY
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- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D125/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Coating compositions based on derivatives of such polymers
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- C09D125/04—Homopolymers or copolymers of styrene
- C09D125/06—Polystyrene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
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- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
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- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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Abstract
本发明涉及一种室内建筑涂料,为了解决现有建筑涂料隔热节能性能、抗菌解毒性能差,提供一种采用光催化剂改良的室内建筑涂料。包括主要成膜物质、常用助剂、溶剂;在建筑涂料中加入用于光催化分解病菌和有害气体的掺杂二氧化钛纳米粉光催化剂;还加入提高涂料隔热性能的空气微胶囊;采用由废聚苯乙烯塑料制成的改性树脂乳液为主要成膜物质。本发明是一种水性涂料,具有节约资源、保护环境的良好社会效益;又极大减少有机溶剂的使用量,适应建筑涂料水性化发展的国际潮流。
Description
技术领域
本发明涉及一种建筑涂料,尤其涉及一种提高建筑涂料隔热节能性能、抗菌解毒性能的室内建筑涂料。
背景技术
传统的建筑内墙乳胶涂料因其在涂料中需加入较多量的防冻剂和成膜助剂等有机溶剂,导致涂料的挥发性有机化合物含量较高,此外为了预防涂料贮存时的腐化变质以及涂膜发霉,在涂料中还需加入较多量的对人体有害的有机类防霉杀菌剂,这不但直接影响到居住者的身心健康,而且具有时效性,经过一段时间后,便失去防霉功效。室内装潢中,由于木器家具、三合板等木材以及溶剂型木器漆中会释放大量的甲醛、苯类等对人体毒性较大的有机挥发物,人们须在装修完毕二至四月后,待浓烈的气味变淡后才能入住新居。即使这样,室内依然长期残留对人体有害的有机挥发物。为解决上述问题,近年来,国内外都在积极从事用纳米材料来提高改进乳胶涂料相关性能的研究,如JPI00254352 介绍了一种耐候性抗生物涂料,通过在石灰胶上包裹含有Ag、Cu 或Zn 的氧化物段烧成晶体微粒,再加到丙烯酸乳液中,形成耐候性抗微生物涂料。CN1277234A 通过在配方中加入纳米材料,使涂层的耐老化、防紫外线辐射、防渗漏等性能显著提高,从而提高了涂料的性价比。但是上述专利所涉及的涂料,其挥发性有机化合物含量较高,而且这些涂料所形成的涂膜均不能分解有毒气味。
发明内容
本发明的目的在于为了解决现有建筑涂料隔热节能性能、抗菌解毒性能差,提供一种采用光催化材料改性的室内建筑涂料。
为了实现上述目的,本发明采用以下技术方案:
一种室内建筑涂料,包括主要成膜物质、常用助剂、溶剂,在使用建筑涂料前,在建筑涂料中加入用于改性的光催化材料,所述光催化材料的加入量占建筑涂料的重量百分比为1-20%,建筑涂料中还可以加入辅助助剂,辅助助剂的加入量占建筑涂料的重量百分比为1-20%。
在本技术方案中,光催化材料是二氧化钛纳米粉,二氧化钛纳米粉具有优异的光催化性能和化学性能。其化学性质稳定、无毒,是理想的光催化材料,广泛地应用于空气净化、抗菌、污水处理等领域。但是对于单纯的纳米二氧化钛材料,其性能还是不能满足实际需要,因为其带隙较宽,只能吸收占太阳光约5% 的紫外光,对可见光不能有效地利用,使得在实际的应用当中受到了极大的约束和限制。为此,为了拓宽纳米二氧化钛光谱响应的范围,对二氧化钛光催化材料进行改性处理,在现有的建筑涂料中加入改性的纳米二氧化钛光催化材料,能够分解附着在涂料上的微生物病毒、细菌,以及对人体有害的室内有机挥发物。
作为优选,本方案所述的光催化剂是一种氮掺杂的金红石晶型二氧化钛纳米粉。
作为优选,所述光催化剂的加入量占建筑涂料的重量百分比为1-10%。
作为优选,所述光催化剂的加入量占建筑涂料的重量百分比为7-8%。
作为优选,所述辅助助剂为空气微胶囊,空气微胶囊是一种细腻粉状白色微胶囊,是采用壳聚糖、酵母浸膏和海藻酸钠通过交联反应产生复凝聚形成微胶囊包裹隔热良好的空气或二氧化碳气体的粉状颗粒。加入空气微胶囊使涂料具有隔热保温、节能,以及隔离噪音的效果,达到室内冬暖夏凉,居室更舒适的目标。
作为优选,所述辅助助剂空气微胶囊的加入量占建筑涂料的重量百分比为10-15%。
本方案所述的成膜物质为聚苯乙烯塑料改性树脂乳液、丙烯酸系共聚物乳液、聚氨酯乳液、含氟聚合物乳液中的一种或几种。
作为优选,所述成膜物质为聚苯乙烯塑料改性树脂乳液。是一种由废聚苯乙烯塑料、混合溶剂、水组成,用混合溶剂和水完全溶解废聚苯乙烯塑料制成,并最大限度的减少甲苯的使用量,提高涂料的绿色环保性能。
作为优选,所述溶剂选自水和无水乙醇、甲苯、汽油、乙酸乙酯四种材料的混合溶剂。本发明选择的溶剂类型来源广,成本低,毒性低,有利于工业化生产。
常用助剂包括增塑剂、乳化剂、改性剂、有机硅单体硅烷偶联剂:其中,
优选增塑剂为邻苯二甲酸二辛酯,加入增塑剂可以提高涂膜的附着力和柔韧性。
优选乳化剂为十二烷基苯磺酸钠、OP-10非离子表面活性剂。加入乳化剂和水后搅拌均匀,用于将成膜物质制成乳白色的乳状树脂乳液。
优选改性剂为丙烯酸、丙烯酸丁酯、N- 羟甲基丙烯酰胺。经过改性的树脂乳液,提高了成膜物的附着力、柔韧性、耐水性、耐污性、稳定性等综合性能。
本发明的使用:在施工现场,将粉末状的空气微胶囊,粉状或浆状包装的光催化剂加入聚苯乙烯塑料改性树脂乳液中,用水调节到合适的涂料粘度,同时搅拌均匀后静置1h即可使用;产品的包装、运输、储存和使用都方便简单。
本发明的有益效果是:在现有的室内建筑涂料中加入光催化材料用以提高建筑涂料分解有害微生物和有害气体的性能,加入空气微胶囊用于提高隔热节能的性能;应用再生资源废聚苯乙烯塑料作为主要成膜物质生产社会使用量大的建筑涂料,取得节约资源、保护环境的良好社会效益;作为一种水性涂料,极大减少有机溶剂的使用量,适应建筑涂料水性化的国际发展潮流。
具体实施方法:
以下结合具体实施例,对本发明作进一步的解释:
本发明中所采用的原料均可从市场购得或是本领域常用的材料,下述实施例中均采用本领域的常规方法。
实施例1:
一种室内建筑涂料,包括主要成膜物质、常用助剂、溶剂, 主要成膜物质为聚苯乙烯塑料改性树脂乳液,在涂料中加进辅助助剂空气微胶囊,加入量占建筑涂料的重量百分比为10%;再加入氮掺杂的金红石晶型二氧化钛纳米粉光催化剂,加入量占建筑涂料的重量百分比为7%;溶剂中由无水乙醇、甲苯、汽油、乙酸乙酯四种材料组成的混合溶剂和水的重量比为4:3;搅拌均匀后静置1h即可使用。
实施例2:
一种室内建筑涂料,包括主要成膜物质、常用助剂、溶剂, 主要成膜物质为聚苯乙烯塑料改性树脂乳液,在涂料中加进辅助助剂空气微胶囊,加入量占建筑涂料的重量百分比为15%;再加入氮掺杂的金红石晶型二氧化钛纳米粉光催化剂,加入量占建筑涂料的重量百分比为8%;溶剂中由无水乙醇、甲苯、汽油、乙酸乙酯四种材料组成的混合溶剂和水的重量比为4:3;搅拌均匀后静置1h即可使用。
实施例3:
一种室内建筑涂料,包括主要成膜物质、常用助剂、溶剂, 主要成膜物质为丙烯酸系共聚物乳液,在涂料中加进辅助助剂空气微胶囊,加入量占建筑涂料的重量百分比为20%;再加入氮掺杂的锐钛矿型二氧化钛纳米粉光催化剂,加入量占建筑涂料的重量百分比为20%;溶剂中由无水乙醇、甲苯、汽油、乙酸乙酯四种材料组成的混合溶剂和水的重量比为4:4;搅拌均匀后静置1h即可使用。
实施例4:
一种室内建筑涂料,包括主要成膜物质、常用助剂、溶剂, 主要成膜物质为丙烯酸系共聚物乳液,在涂料中加进辅助助剂空气微胶囊,加入量占建筑涂料的重量百分比为1%;再加入氮掺杂的锐钛矿型二氧化钛纳米粉光催化剂,加入量占建筑涂料的重量百分比为1%;溶剂中由无水乙醇、甲苯、汽油、乙酸乙酯四种材料组成的混合溶剂和水的重量比为4:4;搅拌均匀后静置1h即可使用。
本实施例中使用最小量的空气微胶囊和光催化剂,产品成本低,但涂层洁白,适合空间较大的车间、商店等公共场合使用。
以上所述的实施例只是本发明的几种较佳方案,并非对本发明作任何形式上的限制,在不超出权利要求所记载的技术方案的前提下还有其它的变体及改型。
Claims (6)
1.一种室内建筑涂料,包括主要成膜物质、常用助剂、溶剂;其特征在于,在使用建筑涂料前,在建筑涂料中加入掺杂二氧化钛纳米粉光催化剂,所述光催化剂的加入量占建筑涂料的重量百分比为1-20%,建筑涂料中还可以加入辅助助剂空气微胶囊,空气微胶囊的加入量占建筑涂料的重量百分比为1-20%。
2.根据权利要求1所述的一种室内建筑涂料,其特征在于,所述的掺杂二氧化钛纳米粉光催化剂的加入量占建筑涂料的重量百分比为1-10%。
3.根据权利要求1所述的一种室内建筑涂料,其特征在于,所述的掺杂二氧化钛纳米粉光催化剂的加入量占建筑涂料的重量百分比为7-8%。
4.根据权利要求1所述的一种室内建筑涂料,其特征在于,所述溶剂中,由无水乙醇、甲苯、汽油、乙酸乙酯四种材料组成的混合溶剂和水的重量比为4︰3。
5.根据权利要求1所述的一种室内建筑涂料,其特征在于,所述成膜物质为聚苯乙烯塑料改性树脂乳液、丙烯酸系共聚物乳液、聚氨酯乳液、含氟聚合物乳液中的一种或几种。
6.根据权利要求1或2或3或4或5所述的一种室内建筑涂料,其特征在于,所述的空气微胶囊的加入量占建筑涂料的重量百分比为10-15%。
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