The invention discloses a preparation method of antibacterial, mildew-proof and moisture-adjusting architectural coating containing modified nanometer zinc oxide talcum powder, which is characterized in that the nanometer zinc oxide is added with anhydrous ethanol ultrasonic, mixed with silane coupling agent, heated after ultrasonic treatment, washed with ethanol and filtered in vacuum, dried and ground in an air-blast drying box. The nano Zinc Oxide was sieved and the pH was adjusted by adding ammonia to styrene acrylic emulsion. After the electric stirring in the water bath, the silane coupling agent was mixed with the modified nano Zinc Oxide. The modified styrene acrylic emulsion was obtained by heating and stirring. The talcum powder was dried in hot air oven and added with aluminate coupling agent to melt and blend in the high-speed mixer. The coupling modified talcum powder was prepared, and the dispersant, lubricant and twelve alkyl benzene sulfonate were added to the pure water. After mixing with ethylene glycol and NaOH, the sepiolite was rotated, the mixture was stirred, the alcohol ester twelve was added, the modified styrene acrylic emulsion was stirred, the antiseptic and dispersant were mixed, and the antibacterial, mildew proof and humidity regulating architectural coatings were obtained.
【技术实现步骤摘要】
一种含改性纳米氧化锌-滑石粉的抗菌防霉调湿建筑涂料的制备方法
本专利技术涉及涂料领域,具体涉及一种含改性纳米氧化锌-滑石粉的抗菌防霉调湿建筑涂料的制备方法。
技术介绍
传统溶剂型防腐涂料存在孔隙率高、疏水性差、涂层强度较低等问题,传统涂料中掺杂纳米粒子是降低孔隙率、提高疏水性和改善涂层强度的一种常用方法。石墨烯是一种二维蜂窝状碳纳米材料,具有较大的比表面积、高致密性和化学惰性,对腐蚀介质具有较强的物理屏蔽性能,在有机涂料中掺杂石墨烯可以有效地提高涂料的耐腐蚀性能。然而,石墨烯在涂料中分散性低,容易发生团聚,产生点蚀坑,破坏涂层结构。为了提高石墨烯的分散性,本专利技术采用一步水热法制备改性石墨烯水性环氧树脂涂料,以期提高复合涂料的防腐性能。
技术实现思路
本专利技术主要解决的技术问题是提供一种含改性纳米氧化锌-滑石粉的抗菌防霉调湿建筑涂料的制备方法,依照该工艺制备的建筑涂料具有良好的抗菌防霉、调湿性能。一种含改性纳米氧化锌-滑石粉的抗菌防霉调湿建筑涂料的制备方法,其特征在于,按以下步骤进行:(1)纳米氧化锌的改性:向3-5份纳米氧化锌粉末中1:18-22加入无水乙醇,超声处理15-20min后,加入0.15-0.25份硅烷偶联剂,电动搅拌10-15min混匀,在44-46℃下超声处理1-2h,再升温至80-82℃处理2-3h,用乙醇洗涤2-3次后真空抽滤,在80-83℃鼓风干燥箱中烘干20-24h,研磨过300目筛,得到偶联改性纳米氧化锌;(2)用偶联剂对苯丙乳液进行改性:向70-80份苯丙乳液中滴加氨水,调节溶液pH为7-8,在水浴锅中电动搅拌30-35min ...
【技术保护点】
1.一种含改性纳米氧化锌‑滑石粉的抗菌防霉调湿建筑涂料的制备方法,其特征在于,向纳米氧化锌中加无水乙醇超声,加硅烷偶联剂拌匀,超声后升温处理,用乙醇洗涤后真空抽滤,在鼓风干燥箱中烘干,研磨过筛得改性纳米氧化锌;向苯丙乳液中加氨水调节pH,在水浴锅中电动搅拌后,滴加硅烷偶联剂搅拌,加改性纳米氧化锌,升温搅拌,得到改性苯丙乳液;将滑石粉在热风烘箱中干燥,加入铝酸酯偶联剂,在高速混合机中熔融共混,制得偶联改性滑石粉;向纯净水中加分散剂、润滑剂、十二烷基苯磺酸钠搅拌后,加乙二醇、NaOH搅拌,加海泡石转动,加填料搅拌,再加醇酯十二、改性苯丙乳液搅拌,加防腐剂、分散剂混匀,得到抗菌防霉调湿建筑涂料。
【技术特征摘要】
1.一种含改性纳米氧化锌-滑石粉的抗菌防霉调湿建筑涂料的制备方法,其特征在于,向纳米氧化锌中加无水乙醇超声,加硅烷偶联剂拌匀,超声后升温处理,用乙醇洗涤后真空抽滤,在鼓风干燥箱中烘干,研磨过筛得改性纳米氧化锌;向苯丙乳液中加氨水调节pH,在水浴锅中电动搅拌后,滴加硅烷偶联剂搅拌,加改性纳米氧化锌,升温搅拌,得到改性苯丙乳液;将滑石粉在热风烘箱中干燥,加入铝酸酯偶联剂,在高速混合机中熔融共混,制得偶联改性滑石粉;向纯净水中加分散剂、润滑剂、十二烷基苯磺酸钠搅拌后,加乙二醇、NaOH搅拌,加海泡石转动,加填料搅拌,再加醇酯十二、改性苯丙乳液搅拌,加防腐剂、分散剂混匀,得到抗菌防霉调湿建筑涂料。2.根据权利要求1所述的一种含改性纳米氧化锌-滑石粉的抗菌防霉调湿建筑涂料的制备方法,其特征在于,按以下步骤进行:(1)纳米氧化锌的改性:向3-5份纳米氧化锌粉末中1:18-22加入无水乙醇,超声处理15-20min后,加入0.15-0.25份硅烷偶联剂,电动搅拌10-15min混匀,在44-46℃下超声处理1-2h,再升温至80-82℃处理2-3h,用乙醇洗涤2-3次后真空抽滤,在80-83℃鼓风干燥箱中烘干20-24h,研磨过300目筛,得到偶联改性纳米氧化锌;(2)用偶联剂对苯丙乳液进行改性:向70-80份苯丙乳液中滴加氨水,调节溶...
【专利技术属性】
技术研发人员:张庆,
申请(专利权)人:芜湖市宝艺游乐科技设备有限公司,
类型:发明
国别省市:安徽,34
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