CN105970220A - 一种抗菌耐蚀涂层材料 - Google Patents

一种抗菌耐蚀涂层材料 Download PDF

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CN105970220A
CN105970220A CN201610167291.2A CN201610167291A CN105970220A CN 105970220 A CN105970220 A CN 105970220A CN 201610167291 A CN201610167291 A CN 201610167291A CN 105970220 A CN105970220 A CN 105970220A
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吴铭
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Abstract

本发明公开了一种抗菌耐蚀涂层材料，由以下重量份的原料制备制成：玻璃釉料12‑15、银矿尾矿2‑3、EVA乳液0.6‑0.8、硝酸银1.2‑1.5、碳酸钙1.5‑2、氧化锆陶瓷粉70‑80、氢氧化铁胶体8‑10、聚乳酸0.7‑1、氯化稀土2‑3、碳粉6‑8、去离子水适量；本发明的陶瓷涂层为复合涂层，使得排风设备在各种恶劣的环境中均能表现出良好的使用性能，生产成本低，制备简单，值得推广。

Description

一种抗菌耐蚀涂层材料
技术领域
本发明涉及排风设备技术领域，尤其涉及一种抗菌耐蚀涂层材料。
背景技术
排风设备在厨房、实验室、工厂等各领域都有重要的作用。一般都可以分成排风罩、风管、除尘净化设备、风机、设备壳等部分组成。其中除尘净化设备的材料是根据领域的不同采用的材质也不尽相同，大多数会采用合金材料，合金材料的性能很大程度上影响了设备使用效果和寿命。陶瓷涂层在摩擦过程中产生的热应力比较小，涂层不容易发生严重断裂，具有孔隙率低、摩擦系数低、导热系数高、耐腐蚀性、高硬度等特性，适用于高温、腐蚀和磨损等特殊工作环境。
《Cr2O3陶瓷涂层摩擦磨损性能研究》中利用三氧化二铬陶瓷粉末与玻璃釉料按照一定质量比混合，烧结900℃后球磨，过200目筛，然后利用亚音速喷枪在45钢上喷涂三氧化二铬陶瓷涂层，并在电阻炉中烧结。虽然加入一定量的玻璃釉料增强了粉末之间的粘结性，提高了涂层的耐磨性，但是喷涂制得的涂层无法将空气全部排出，存在大量气孔，即使经过高温烧结也无法改善，需要多次涂刷玻璃釉料，施工复杂，并且铬对人体有毒性，不宜大量使用。本发明针对排风设备的使用性能，认为防污易清洁是最主要的实用性能，利用参考文献提出的玻璃釉料增强烧结性、提高耐磨性，将两者结合起来制备出适宜工业化大生产的提高排风设备性能的陶瓷涂层。
发明内容
本发明目的就是为了弥补已有技术的缺陷，提供一种抗菌耐蚀涂层材料。
本发明是通过以下技术方案实现的：
一种抗菌耐蚀涂层材料，其特征在于，由以下重量份的原料制备制成：玻璃釉料12-15、银矿尾矿2-3、EVA乳液0.6-0.8、硝酸银1.2-1.5、碳酸钙1.5-2、氧化锆陶瓷粉70-80、氢氧化铁胶体8-10、聚乳酸0.7-1、氯化稀土2-3、碳粉6-8、去离子水适量。
所述一种抗菌耐蚀涂层材料，由下列具体步骤制备制成：
(1)将玻璃釉料中加入适量的无水乙醇，在行星球磨机内湿法球磨5-7h，球磨完毕后在100-110℃下烘干，然后加到烧结炉中于510-550℃下预烧20-35min，冷却后再加入适量粘结剂制成粒度为10-30μm的细粉料，烘干后备用；
（2）将硝酸银用34-38倍量的去离子水溶解，超声分散均匀后加入硅胶和EVA乳液，微微加热搅拌形成粘状液体备用；
（3）将步骤（1）制备的物料加到步骤（2）中，搅拌均匀后加入银矿尾矿、碳酸钙和氧化锆陶瓷粉，在电炉中边加热边搅拌，直至烘干，自然冷却后球磨成粒径为25-40μm的粉末，再将粉末用等离子喷涂技术喷到基体表面；
（4）将氯化稀土、碳粉、聚乳酸加到研钵中研磨分散，再将氢氧化铁胶体和适量的去离子水加入其中继续研磨，待其分散完全后涂覆在步骤（3）基体表面，激光熔覆后自然冷却即可。
所述一种抗菌耐蚀涂层材料，所述玻璃釉料由二氧化硅、碳酸钡、纳米二氧化铈、黏土和铁红组成，其中质量比为8-10：2-3:0.3-0.6:4-5.5:0.7-1。
本发明的优点是：本发明利用银离子良好的抗菌性、硅胶的良好的防污粘结性、EVA乳液的粘合和耐老化性制得抗菌溶胶，将玻璃釉料浸渍在溶胶中，引起纳米复合相强韧化效应，减轻界面残余应力，在喷涂时能够控制陶瓷出现裂纹，减少结构缺陷，提高涂层的防污、耐老化、抗菌等性能，本文利用抗菌氯化稀土、耐腐蚀碳粉和聚乳酸分散在氢氧化铁胶体中，再利用激光熔覆技术将其涂覆在基体表面，解决涂层喷涂易出现气孔的问题，并显著提高了涂层与基体的粘合性、耐酸碱腐蚀性、耐高温性、抗菌性等性能；本发明的陶瓷涂层为复合涂层，使得排风设备在各种恶劣的环境中均能表现出良好的使用性能，生产成本低，制备简单，值得推广。
具体实施方式
一种抗菌耐蚀涂层材料，由以下重量份（公斤）的原料制备制成：玻璃釉料12、银矿尾矿2、EVA乳液0.6、硝酸银1.2、碳酸钙1.5、氧化锆陶瓷粉70、氢氧化铁胶体8、聚乳酸0.7、氯化稀土2、碳粉6、去离子水适量。
所述一种抗菌耐蚀涂层材料，由下列具体步骤制备制成：
(1)将玻璃釉料中加入适量的无水乙醇，在行星球磨机内湿法球磨5h，球磨完毕后在100℃下烘干，然后加到烧结炉中于510℃下预烧20min，冷却后再加入适量粘结剂制成粒度为10μm的细粉料，烘干后备用；
（2）将硝酸银用34倍量的去离子水溶解，超声分散均匀后加入硅胶和EVA乳液，微微加热搅拌形成粘状液体备用；
（3）将步骤（1）制备的物料加到步骤（2）中，搅拌均匀后加入银矿尾矿、碳酸钙和氧化锆陶瓷粉，在电炉中边加热边搅拌，直至烘干，自然冷却后球磨成粒径为25μm的粉末，再将粉末用等离子喷涂技术喷到基体表面；
（4）将氯化稀土、碳粉、聚乳酸加到研钵中研磨分散，再将氢氧化铁胶体和适量的去离子水加入其中继续研磨，待其分散完全后涂覆在步骤（3）基体表面，激光熔覆后自然冷却即可。
所述一种抗菌耐蚀涂层材料，所述玻璃釉料由二氧化硅、碳酸钡、纳米二氧化铈、黏土和铁红组成，其中质量比为8：2:0.3:4:0.7。
按照实施例生产的陶瓷涂层性能参数如下：
（1）涂覆性能佳、与基体材料结合力好，涂层表面光滑、无气孔；
（2）耐磨性试验：2.6mg；
（3）抗氧化试验：涂层试件在1500℃的静态空气中有效防氧化时间达185h；
（4）抗热震性试验：升温至1500℃，冷水淬火，如此反复10次，涂层不开裂，不脱落。

Claims (3)

1.一种抗菌耐蚀涂层材料，其特征在于，由以下重量份的原料制备制成：玻璃釉料12-15、银矿尾矿2-3、EVA乳液0.6-0.8、硝酸银1.2-1.5、碳酸钙1.5-2、氧化锆陶瓷粉70-80、氢氧化铁胶体8-10、聚乳酸0.7-1、氯化稀土2-3、碳粉6-8、去离子水适量。
2.根据权利要求1所述一种抗菌耐蚀涂层材料，其特征在于，由下列具体步骤制备制成：
(1)将玻璃釉料中加入适量的无水乙醇，在行星球磨机内湿法球磨5-7h，球磨完毕后在100-110℃下烘干，然后加到烧结炉中于510-550℃下预烧20-35min，冷却后再加入适量粘结剂制成粒度为10-30μm的细粉料，烘干后备用；
（2）将硝酸银用34-38倍量的去离子水溶解，超声分散均匀后加入硅胶和EVA乳液，微微加热搅拌形成粘状液体备用；
（3）将步骤（1）制备的物料加到步骤（2）中，搅拌均匀后加入银矿尾矿、碳酸钙和氧化锆陶瓷粉，在电炉中边加热边搅拌，直至烘干，自然冷却后球磨成粒径为25-40μm的粉末，再将粉末用等离子喷涂技术喷到基体表面；
（4）将氯化稀土、碳粉、聚乳酸加到研钵中研磨分散，再将氢氧化铁胶体和适量的去离子水加入其中继续研磨，待其分散完全后涂覆在步骤（3）基体表面，激光熔覆后自然冷却即可。
3.根据权利要求1-2所述一种抗菌耐蚀涂层材料，其特征在于，所述玻璃釉料由二氧化硅、碳酸钡、纳米二氧化铈、黏土和铁红组成，其中质量比为8-10：2-3:0.3-0.6:4-5.5:0.7-1。
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CN108218396A (zh) * 2018-01-30 2018-06-29 吉林大学 利用银矿尾矿制备的低热胀高强度抗菌陶瓷及制备方法

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