CN104672973A - 光触媒环保涂料制备方法 - Google Patents

光触媒环保涂料制备方法 Download PDF

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CN104672973A
CN104672973A CN201310605378.XA CN201310605378A CN104672973A CN 104672973 A CN104672973 A CN 104672973A CN 201310605378 A CN201310605378 A CN 201310605378A CN 104672973 A CN104672973 A CN 104672973A
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宋佳轩
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DALIAN LINQIAO TECHNOLOGY CO LTD
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • 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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    • 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
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
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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
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2237—Oxides; Hydroxides of metals of titanium
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    • 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
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C08K2003/265—Calcium, strontium or barium carbonate

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Abstract

本发明涉及光触媒环保涂料制备方法，属于节能环保技术领域，所述环保涂料包括SiO2气凝胶粒子、TiO2粒子，SiO2气凝胶粒子占涂料总质量的1～10%，TiO2粒子占涂料总质量的1～10%，吸附/光催化降解甲醛的实验测试结果表明，当涂料中含有2.5~5.0%的高吸附性和光催化活性粒子时，吸附/光催化降解5～6h后，体系中的甲醛浓度从0.39mg/m3降低到最终的0.04~0.05mg/m3，吸附/光催化降解率达到79.49～89.74%。

Description

光触媒环保涂料制备方法
技术领域
本发明涉及光触媒环保涂料制备方法，属于节能环保技术领域。
背景技术
随着人们生活水平的提高和建筑装饰材料的大量使用，室内空气环境对人体的健康问题逐步被越来越多的人所重视，因此环保型功能建筑涂料也越来越受到关注。例如专利ZL 02810799.3中发明了一种具有光催化活性和吸附性能的光催化涂料，其中吸附剂以镁或钙的硅酸盐或硅藻土为主，光催化剂则以TiO2或ZnO为主，其涂料本身为溶剂性涂料。专利ZL 200510011793.8提供了一种氮掺杂纳米二氧化钛改性光催化涂料，该专利中介绍的是将掺杂氮的纳米TiO2加入到水性涂料中，使其具有光催化作用。专利CN1962776A提供了一种复合空气净化涂料，它以水、水性乳液为主要成分，通过添加负离子浆体、抗菌剂、植物清香剂，使其能够持续释放负离子和对空气中的甲醛、苯、氨等有害气体具有较高的去除率。目前，空气净化涂料大多是通过涂料中TiO2等光催化活性粒子的光催化降解作用或负离子作用或利用硅藻土等吸附剂达到空气净化的效果。然而，据报道，光催化粒子在光催化降解空气中有机污染物的同时，往往也会对涂料本身具有降解作用，从而导致涂料老化现象明显；另一方面，涂料中单独添加吸附性粒子和光催化粒子，往往由于吸附性粒子和光催化粒子的吸附饱和以及光催化降解极限而使空气净化效果不明显。
发明内容
本发明通过改进涂料组分，使涂料具有环保功能。
本发明提供了一种室环保涂料，：所述环保涂料包括SiO2气凝胶粒子、TiO2粒子，碳酸钙，石膏，氯化钾，光触媒剂，SiO2气凝胶粒子占涂料总质量的1～10%，TiO2粒子占涂料总质量的1～10%。
SiO2气凝胶粒子是一种轻质介孔材料，具有高孔容和高比表面积特点，具有高效的吸附性能。将SiO2气凝胶粒子的高效吸附性能与光催化剂TiO2粒子的光催化性能结合在一起，将会同时发挥SiO2气凝胶粒子的高效吸附性能以及光催化剂TiO2粒子的光催化性能。
本发明所述SiO2气凝胶粒子优选为占涂料总质量的1～5%，TiO2粒子优选为占涂料总质量的1～5%。
本发明所述SiO2气凝胶粒子进一步优选为占涂料总质量的2～3%，TiO2粒子进一步优选为占涂料总质量的2～3%。
本发明所述环保涂料按质量百分比，优选为由下述组分组成：
乳液                                                            20～50%
乙醇                                                            20～40%
丙二醇                                                        1～2%
SiO2气凝胶粒子                                       1～10%
TiO2粒子                                                   1～10%
助剂                                                            1～2%
碳酸钙                           1～2%
石膏                             1～2%
水                                               余量。
本发明所述乳液优选为丙烯酸乳液或氟碳乳液，所述丙烯酸乳液为苯丙乳液、硅丙乳液、纯丙乳液或醋丙乳液。
本发明所述助剂包括分散剂、成膜助剂、消泡剂、流平剂、润湿剂、增稠剂。
本发明有益效果为涂料中含有一定量的具有高效吸附性能的气凝胶吸附剂粒子以及具有光催化性能的TiO2光催化剂粒子。本发明在涂料中同时添加了具有高效吸附性能的气凝胶粒子和具有光催化降解作用的光催化粒子，气凝胶的高效吸附作用能够促进光催化降解过程，而光催化降解又可进一步促进气凝胶对有毒气体的进一步吸附，吸附/光催化降解协同作用并相互促进，能够更为有效地消除空气中的有害气体，与当前的空气净化涂料相比，空气净化效果将更为高效和长久。吸附/光催化降解甲醛的实验测试结果表明，当涂料中含有2.5~5.0%的高吸附性和光催化活性粒子时，吸附/光催化降解5～6h后，体系中的甲醛浓度从0.39mg/m3降低到最终的0.04~0.05mg/m3，吸附/光催化降解率达到79.49～89.74%。
具体实施方式
下述非限制性实施例可以使本领域的普通技术人员更全面地理解本发明，但不以任何方式限制本发明。
实施例1
一种室环保涂料，所述环保涂料按质量百分比，由下述组分组成：
氟碳乳液                                                   45%
乙醇                                                            35%
丙二醇                                                        2%
SiO2气凝胶粒子                                       5%
TiO2粒子                                                   5%
助剂                                                            2%
水                                                                6%。
所述助剂为分散剂、成膜助剂、消泡剂、流平剂、润湿剂和增稠剂。

Claims (2)

1.光触媒环保涂料制备方法，其特征在于： 环保涂料包括SiO2气凝胶粒子、TiO2粒子，碳酸钙，石膏，氯化钾，光触媒剂，SiO2气凝胶粒子占涂料总质量的1～10%，TiO2粒子占涂料总质量的1～10%。
2.根据权利要求1光触媒环保涂料制备方法，其特征在于：所述SiO2气凝胶粒子占涂料总质量的1～5%，TiO2粒子占涂料总质量的1～5%。
CN201310605378.XA 2013-11-26 2013-11-26 光触媒环保涂料制备方法 Pending CN104672973A (zh)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110342852A (zh) * 2019-08-14 2019-10-18 向军辉 一种多功能的光触媒气凝胶墙面涂料及其制备方法
CN110437695A (zh) * 2019-08-14 2019-11-12 向军辉 一种多功能的光触媒气凝胶家具涂料及其制备方法
CN111057467A (zh) * 2019-12-13 2020-04-24 陕西速源节能科技有限公司 一种无味零甲醛环保涂料的制备方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110342852A (zh) * 2019-08-14 2019-10-18 向军辉 一种多功能的光触媒气凝胶墙面涂料及其制备方法
CN110437695A (zh) * 2019-08-14 2019-11-12 向军辉 一种多功能的光触媒气凝胶家具涂料及其制备方法
CN111057467A (zh) * 2019-12-13 2020-04-24 陕西速源节能科技有限公司 一种无味零甲醛环保涂料的制备方法

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