CN116768641A - 一种仿古抗菌防霉陶瓷工艺品及其制备方法 - Google Patents
一种仿古抗菌防霉陶瓷工艺品及其制备方法 Download PDFInfo
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- CN116768641A CN116768641A CN202310480779.0A CN202310480779A CN116768641A CN 116768641 A CN116768641 A CN 116768641A CN 202310480779 A CN202310480779 A CN 202310480779A CN 116768641 A CN116768641 A CN 116768641A
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
本发明涉及一种仿古抗菌防霉陶瓷工艺品及其制备方法,所述仿古抗菌防霉陶瓷工艺品包括以下重量份的组分:石英20‑30份、钾长石20‑30份、氧化铝16‑20份、氧化锆8‑10份、氧化镁10‑20份、磷酸钠5‑8份、纳米粉体30‑40份、改性硅藻土30‑40份和碳纳米管悬浮液80‑100份。本发明制得的陶瓷工艺品具有良好的抗菌性和防霉效果。
Description
技术领域
本发明涉及陶瓷工艺品技术领域,具体涉及一种仿古抗菌防霉陶瓷工艺品及其制备方法。
背景技术
陶瓷是陶器和瓷器的总称。随着社会的发展以及人们审美观的不断改变,各种造型的陶瓷工艺品纷纷涌现。同时随着人们生活水平的不断提高和环境保护意识的增强,人们越来越关注身边的工艺品对自身健康的影响,不仅对陶瓷工艺品的物理性能提出更高的需求,还对陶瓷工艺品的抗菌防霉提出更高的重视。而细菌、真菌、霉菌等作为病原菌可沾染、滋生在许多陶瓷工艺品表面,影响人们的健康,甚至危及生命。
发明内容
有鉴于此,本发明的目的在于提供一种仿古抗菌防霉陶瓷工艺品及其制备方法,制得的陶瓷工艺品具有良好的抗菌性和防霉效果。
为了达到上述目的,本发明提供如下技术方案:
一种仿古抗菌防霉陶瓷工艺品,包括以下重量份的组分:石英20-30份、钾长石20-30份、氧化铝16-20份、氧化锆8-10份、氧化镁10-20份、磷酸钠5-8份、纳米粉体30-40份、改性硅藻土30-40份和碳纳米管悬浮液80-100份。
一种仿古抗菌防霉陶瓷工艺品的制备方法,包括以下步骤:
S1:将石英、钾长石、氧化铝、氧化锆、氧化镁、磷酸钠、纳米粉体和改性硅藻土入球磨机中研磨、搅拌均匀,得混合料;
S2:将二分之一的碳纳米管悬浮液加入上述混合料制成泥浆坯料,塑形并烘干得坯体;
S3:将剩余的碳纳米管悬浮液均匀涂抹至坯体表面;
S4:对步骤S3所得坯体初次烧制,初次烧制后进行仿古图案彩绘、二次烧制,得到仿古抗菌防霉陶瓷工艺品。
优选的,步骤S1中所述纳米粉体的制备方法包括:
S11:制备氧化石墨烯粉体和二氧化硅溶胶;
S12:将柠檬精油、N,N’-亚甲基双丙烯酰胺和体积分数为75%的乙醇溶液混合均匀,得油相;将聚乙烯吡咯烷酮和正丁醇混合,得水相;
S13:将二氧化硅溶胶、油相和水相混合,搅拌20-30min后,再加入氧化石墨烯粉体,搅拌2-4h,过滤,60-80℃下真空干燥,得纳米粉体。
优选的,所述柠檬精油、N,N’-亚甲基双丙烯酰胺和乙醇溶液的重量份比为1:1:2;所述聚乙烯吡咯烷酮和正丁醇的重量份比为1:2;所述氧化石墨烯粉体、二氧化硅溶胶、油相和水相的重量份比为1:1:3:3。
优选的,步骤S11中所述氧化石墨烯粉体的制备方法包括:
S101:将质量分数为75%的聚乙烯吡咯烷酮水溶液、四水合氯化亚铁和体积分数90%的氨水混合,并搅拌1-2h,得混合液;
S102:将硝酸银和质量分数为70%的氧化石墨烯水溶液,加入到上述步骤S11所得的混合液中,于120-140℃下,水热反应3-4h后,冷冻干燥48h,得氧化石墨烯粉体。
优选的,所述聚乙烯吡咯烷酮水溶液、四水合氯化亚铁和氨水的重量份比为1:1:3;硝酸银、氧化石墨烯水溶液和混合液的重量份比为1:1:2。
优选的,步骤S11中所述二氧化硅溶胶的制备方法包括:
将正硅酸乙脂与体积分数75%的乙醇溶液混合,加入体积分数75%的硝酸溶液,调节pH至3-4,搅拌30-50min,得二氧化硅溶胶,其中,所述正硅酸乙脂、乙醇和硝酸溶液的重量份比为1:1:2。
优选的,步骤S1中所述改性硅藻土的制备方法包括:
将AlCl3与无水乙醇溶液混合,搅拌2-4h,得Al2O3溶胶;
将硅藻土、双十烷基二甲基氯化铵、上述Al2O3溶胶和体积分数为75%的硫酸溶液混合,于80-90℃下搅拌加热1-2h,冷冻干燥48h,得改性硅藻土;
其中,所述AlCl3与无水乙醇溶液的重量份比为1:2;所述硅藻土、双十烷基二甲基氯化铵、Al2O3溶胶和硫酸溶液的重量份比为2:1:2:3。
优选的,所述碳纳米管悬浮液的制备方法包括:
将柠檬精油、N,N’-亚甲基双丙烯酰胺和体积分数为75%的乙醇溶液混合均匀,得油相;
将上述油相、质量分数75%的海藻酸钠水溶液和体积分数为30%的醋酸水溶液混合,得海藻酸钠油液;
将海藻酸钠油液、吐温-80、聚乙烯吡咯烷酮和质量分数75%的碳纳米管酸溶液混合,搅拌1-2h,得碳纳米管悬浮液;
其中,所述柠檬精油、N,N’-亚甲基双丙烯酰胺和乙醇溶液的重量份比为1:1:2;所述油相、海藻酸钠水溶液和醋酸水溶液的重量份比为1:1:1;所述海藻酸钠油液、吐温-80、聚乙烯吡咯烷酮和碳纳米管酸溶液的重量份比为2:1:1:2。
其中,所述碳纳米管酸溶液的制备方法包括:将碳纳米管、十二烷基硫酸钠与体积分数75%的硫酸溶液按照1:2:4的重量份比混合,搅拌1-2h,得碳纳米管酸溶液。
优选的,所述步骤S4中初次烧制的条件为:以20℃/min的升温速率,温度升到1400-1500℃,保温10-12h;二次烧制的温度为:600-800℃。
本发明中的氧化石墨烯表面含有羟基、羧基以及环氧基等多种含氧官能团,具有良好的吸附性能以及生物相容性能,从而可以更好的作为组分载体,在其片层结构上提供活性位点,以承载具有抗菌和防腐效果的银离子以及纳米粒子,并通过对硅藻土改性,与Al2O3溶胶通过氢键相互协同相互作用,添加至溶胶中后,提升了硅藻土的压缩模量,进而与聚糖悬浮液以及由石墨烯改性得到的纳米粉体,构筑出具有弹性和梯度的微结构的混合料体系。
本发明经碳纳米管悬浮液混合涂抹后,碳纳米管悬浮液中的碳纳米管与海藻酸钠因静电力作用而结合,交联纳米粒子填充和覆盖在混合组分之间以及坯体之间,与混合组分和坯体的物理结合更加致密,从组分内部和坯体外部降低和填补了原料之间的空隙,降低了组分间隙,消除了组分和坯体之间的缺陷,提高了陶瓷强度和抗菌性,以得到抗菌防霉仿古效果好的仿古瓷,从而满足仿古瓷的市场需求和人们对陶瓷工艺品的抗菌防霉要求。
具体实施方式
下面将结合本发明的实施例,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。另,特别说明,本发明原料和设备均可从市售所得,不再一一列举,其中,本发明原材料均可从市售获得,为本领域技术人员所熟知的。
实施例1:
一种仿古抗菌防霉陶瓷工艺品,包括以下重量份的组分:石英30份、钾长石30份、氧化铝20份、氧化锆10份、氧化镁20份、磷酸钠8份、纳米粉体40份、改性硅藻土40份和碳纳米管悬浮液100份。
一种仿古抗菌防霉陶瓷工艺品的制备方法,包括以下步骤:
S1:将上述的石英、钾长石、氧化铝、氧化锆、氧化镁、磷酸钠、纳米粉体和改性硅藻土入球磨机中研磨、搅拌均匀,得混合料;
其中,纳米粉体的制备方法包括:
S11:制备氧化石墨烯粉体:
将质量分数为75%的聚乙烯吡咯烷酮水溶液、四水合氯化亚铁和体积分数90%的氨水按照重量份比为1:1:3的比例混合,搅拌2h,得混合液;
将硝酸银和质量分数为70%的氧化石墨烯水溶液,加入到上述混合液中,其中,硝酸银、氧化石墨烯水溶液和混合液的重量份比为1:1:2,然后于140℃下,水热反应4h后,冷冻干燥48h,得氧化石墨烯粉体;
其中,二氧化硅溶胶的制备方法包括:
将正硅酸乙脂与体积分数75%的乙醇溶液混合,加入体积分数75%的硝酸溶液,调节pH至3-4,搅拌50min,得二氧化硅溶胶,其中,正硅酸乙脂、乙醇和硝酸溶液的重量份比为1:1:2;
S12:将柠檬精油、N,N’-亚甲基双丙烯酰胺和体积分数为75%的乙醇溶液按照重量份比为1:1:2的比例混合均匀,得油相;将聚乙烯吡咯烷酮和正丁醇按照重量份比为1:2的比例混合,得水相;
S13:将二氧化硅溶胶、油相和水相混合,搅拌30min后,再加入氧化石墨烯粉体,其中,所述氧化石墨烯粉体、二氧化硅溶胶、油相和水相的重量份比为1:1:3:3,搅拌4h,过滤,80℃下真空干燥,得纳米粉体;
其中,改性硅藻土的制备方法包括:
将AlCl3与无水乙醇溶液按照重量份比为1:2的比例混合,搅拌4h,得Al2O3溶胶;
将上述硅藻土、双十烷基二甲基氯化铵、上述Al2O3溶胶和体积分数为75%的硫酸溶液按照重量份比为2:1:2:3的比例混合,于90℃下搅拌加热2h,冷冻干燥48h,得改性硅藻土;
S2:将上述二分之一重量份的碳纳米管悬浮液加入上述混合料制成泥浆坯料,塑形并烘干得坯体;
S3:将剩余的碳纳米管悬浮液均匀涂抹至坯体表面;
S4:对步骤S3所得坯体初次烧制,以20℃/min的升温速率,温度升到1500℃,保温12h,初次烧制后进行仿古图案彩绘、二次烧制(即釉上彩),二次烧制的温度为800℃,得到仿古抗菌防霉陶瓷工艺品。
其中,步骤S2和S3中碳纳米管悬浮液的制备方法包括:
将柠檬精油、N,N’-亚甲基双丙烯酰胺和体积分数为75%的乙醇溶液按照重量份比为1:1:2的比例混合均匀,得油相;
将上述油相、质量分数75%的海藻酸钠水溶液和体积分数为30%的醋酸水溶液按照重量份比为1:1:1的比例混合,得海藻酸钠油液;
将上述海藻酸钠油液、吐温-80、聚乙烯吡咯烷酮和质量分数75%的碳纳米管酸溶液按照重量份比为2:1:1:2的比例混合,搅拌2h,得碳纳米管悬浮液。
其中,所述碳纳米管酸溶液的制备方法包括:将碳纳米管、十二烷基硫酸钠与体积分数75%的硫酸溶液按照1:2:4的重量份比混合,搅拌2h,得碳纳米管酸溶液。
实施例2:
一种仿古抗菌防霉陶瓷工艺品,包括以下重量份的组分:石英20份、钾长石20份、氧化铝16份、氧化锆8份、氧化镁10份、磷酸钠5份、纳米粉体30份、改性硅藻土30份和碳纳米管悬浮液80份。
一种仿古抗菌防霉陶瓷工艺品的制备方法,包括以下步骤:
S1:将上述的石英、钾长石、氧化铝、氧化锆、氧化镁、磷酸钠、纳米粉体和改性硅藻土入球磨机中研磨、搅拌均匀,得混合料;
其中,纳米粉体的制备方法包括:
S11:制备氧化石墨烯粉体:
将质量分数为75%的聚乙烯吡咯烷酮水溶液、四水合氯化亚铁和体积分数90%的氨水按照重量份比为1:1:3的比例混合,搅拌1h,得混合液;
将硝酸银和质量分数为70%的氧化石墨烯水溶液,加入到上述混合液中,其中,硝酸银、氧化石墨烯水溶液和混合液的重量份比为1:1:2,然后于120℃下,水热反应3h后,冷冻干燥48h,得氧化石墨烯粉体;
其中,二氧化硅溶胶的制备方法包括:
将正硅酸乙脂与体积分数75%的乙醇溶液混合,加入体积分数75%的硝酸溶液,调节pH至3-4,搅拌30min,得二氧化硅溶胶,其中,正硅酸乙脂、乙醇和硝酸溶液的重量份比为1:1:2;
S12:将柠檬精油、N,N’-亚甲基双丙烯酰胺和体积分数为75%的乙醇溶液按照重量份比为1:1:2的比例混合均匀,得油相;将聚乙烯吡咯烷酮和正丁醇按照重量份比为1:2的比例混合,得水相;
S13:将二氧化硅溶胶、油相和水相混合,搅拌20min后,再加入氧化石墨烯粉体,其中,所述氧化石墨烯粉体、二氧化硅溶胶、油相和水相的重量份比为1:1:3:3,搅拌2h,过滤,60℃下真空干燥,得纳米粉体;
其中,改性硅藻土的制备方法包括:
将AlCl3与无水乙醇溶液按照重量份比为1:2的比例混合,搅拌2h,得Al2O3溶胶;
将上述硅藻土、双十烷基二甲基氯化铵、上述Al2O3溶胶和体积分数为75%的硫酸溶液按照重量份比为2:1:2:3的比例混合,于80℃下搅拌加热1h,冷冻干燥48h,得改性硅藻土;
S2:将上述二分之一重量份的碳纳米管悬浮液加入上述混合料制成泥浆坯料,塑形并烘干得坯体;
S3:将剩余的碳纳米管悬浮液均匀涂抹至坯体表面;
S4:对步骤S3所得坯体初次烧制,初次烧制以20℃/min的升温速率,温度升到1400℃,保温10h,初次烧制后进行仿古图案彩绘、二次烧制,二次烧制的温度为600℃,得到仿古抗菌防霉陶瓷工艺品。
其中,步骤S2和S3中碳纳米管悬浮液的制备方法包括:
将柠檬精油、N,N’-亚甲基双丙烯酰胺和体积分数为75%的乙醇溶液按照重量份比为1:1:2的比例混合均匀,得油相;
将上述油相、质量分数75%的海藻酸钠水溶液和体积分数为30%的醋酸水溶液按照重量份比为1:1:1的比例混合,得海藻酸钠油液;
将上述海藻酸钠油液、吐温-80、聚乙烯吡咯烷酮和质量分数75%的碳纳米管酸溶液按照重量份比为2:1:1:2的比例混合,搅拌1h,得碳纳米管悬浮液。
其中,所述碳纳米管酸溶液的制备方法包括:将碳纳米管、十二烷基硫酸钠与体积分数75%的硫酸溶液按照1:2:4的重量份比混合,搅拌1h,得碳纳米管酸溶液。
实施例3:
一种仿古抗菌防霉陶瓷工艺品,包括以下重量份的组分:石英25份、钾长石25份、氧化铝18份、氧化锆9份、氧化镁15份、磷酸钠6份、纳米粉体35份、改性硅藻土35份和碳纳米管悬浮液90份。
一种仿古抗菌防霉陶瓷工艺品的制备方法,包括以下步骤:
S1:将上述的石英、钾长石、氧化铝、氧化锆、氧化镁、磷酸钠、纳米粉体和改性硅藻土入球磨机中研磨、搅拌均匀,得混合料;
其中,纳米粉体的制备方法包括:
S11:制备氧化石墨烯粉体:
将质量分数为75%的聚乙烯吡咯烷酮水溶液、四水合氯化亚铁和体积分数90%的氨水按照重量份比为1:1:3的比例混合,搅拌1.5h,得混合液;
将硝酸银和质量分数为70%的氧化石墨烯水溶液,加入到上述混合液中,其中,硝酸银、氧化石墨烯水溶液和混合液的重量份比为1:1:2,然后于130℃下,水热反应3.5h后,冷冻干燥48h,得氧化石墨烯粉体;
其中,二氧化硅溶胶的制备方法包括:
将正硅酸乙脂与体积分数75%的乙醇溶液混合,加入体积分数75%的硝酸溶液,调节pH至3-4,搅拌40min,得二氧化硅溶胶,其中,正硅酸乙脂、乙醇和硝酸溶液的重量份比为1:1:2;
S12:将柠檬精油、N,N’-亚甲基双丙烯酰胺和体积分数为75%的乙醇溶液按照重量份比为1:1:2的比例混合均匀,得油相;将聚乙烯吡咯烷酮和正丁醇按照重量份比为1:2的比例混合,得水相;
S13:将二氧化硅溶胶、油相和水相混合,搅拌25min后,再加入氧化石墨烯粉体,其中,所述氧化石墨烯粉体、二氧化硅溶胶、油相和水相的重量份比为1:1:3:3,搅拌3h,过滤,70℃下真空干燥,得纳米粉体;
其中,改性硅藻土的制备方法包括:
将AlCl3与无水乙醇溶液按照重量份比为1:2的比例混合,搅拌3h,得Al2O3溶胶;
将上述硅藻土、双十烷基二甲基氯化铵、上述Al2O3溶胶和体积分数为75%的硫酸溶液按照重量份比为2:1:2:3的比例混合,于85℃下搅拌加热1.5h,冷冻干燥48h,得改性硅藻土;
S2:将上述二分之一重量份的碳纳米管悬浮液加入上述混合料制成泥浆坯料,塑形并烘干得坯体;
S3:将剩余的碳纳米管悬浮液均匀涂抹至坯体表面;
S4:对步骤S3所得坯体初次烧制,初次烧制以20℃/min的升温速率,温度升到1450℃,保温11h,初次烧制后进行仿古图案彩绘、二次烧制,二次烧制的温度为700℃,得到仿古抗菌防霉陶瓷工艺品。
其中,步骤S2和S3中碳纳米管悬浮液的制备方法包括:
将柠檬精油、N,N’-亚甲基双丙烯酰胺和体积分数为75%的乙醇溶液按照重量份比为1:1:2的比例混合均匀,得油相;
将上述油相、质量分数75%的海藻酸钠水溶液和体积分数为30%的醋酸水溶液按照重量份比为1:1:1的比例混合,得海藻酸钠油液;
将上述海藻酸钠油液、吐温-80、聚乙烯吡咯烷酮和质量分数75%的碳纳米管酸溶液按照重量份比为2:1:1:2的比例混合,搅拌1.5h,得碳纳米管悬浮液。
其中,所述碳纳米管酸溶液的制备方法包括:将碳纳米管、十二烷基硫酸钠与体积分数75%的硫酸溶液按照1:2:4的重量份比混合,搅拌1.5h,得碳纳米管酸溶液。
对比例1:
对比例1与实施例1的制备方法基本相同,不同的是,不用碳纳米管悬浮液,具体为:
一种仿古抗菌防霉陶瓷工艺品,包括以下重量份的组分:石英30份、钾长石30份、氧化铝20份、氧化锆10份、氧化镁20份、磷酸钠8份、纳米粉体40份和改性硅藻土40份。
一种仿古抗菌防霉陶瓷工艺品的制备方法,包括以下步骤:
S1:将上述的石英、钾长石、氧化铝、氧化锆、氧化镁、磷酸钠、纳米粉体和改性硅藻土入球磨机中研磨、搅拌均匀,得混合料;
其中,纳米粉体的制备方法包括:
S11:制备氧化石墨烯粉体:
将质量分数为75%的聚乙烯吡咯烷酮水溶液、四水合氯化亚铁和体积分数90%的氨水按照重量份比为1:1:3的比例混合,搅拌2h,得混合液;
将硝酸银和质量分数为70%的氧化石墨烯水溶液,加入到上述混合液中,其中,硝酸银、氧化石墨烯水溶液和混合液的重量份比为1:1:2,然后于140℃下,水热反应4h后,冷冻干燥48h,得氧化石墨烯粉体;
其中,二氧化硅溶胶的制备方法包括:
将正硅酸乙脂与体积分数75%的乙醇溶液混合,加入体积分数75%的硝酸溶液,调节pH至3-4,搅拌50min,得二氧化硅溶胶,其中,正硅酸乙脂、乙醇和硝酸溶液的重量份比为1:1:2;
S12:将柠檬精油、N,N’-亚甲基双丙烯酰胺和体积分数为75%的乙醇溶液按照重量份比为1:1:2的比例混合均匀,得油相;将聚乙烯吡咯烷酮和正丁醇按照重量份比为1:2的比例混合,得水相;
S13:将二氧化硅溶胶、油相和水相混合,搅拌30min后,再加入氧化石墨烯粉体,其中,所述氧化石墨烯粉体、二氧化硅溶胶、油相和水相的重量份比为1:1:3:3,搅拌4h,过滤,80℃下真空干燥,得纳米粉体;
其中,改性硅藻土的制备方法包括:
将AlCl3与无水乙醇溶液按照重量份比为1:2的比例混合,搅拌4h,得Al2O3溶胶;
将上述硅藻土、双十烷基二甲基氯化铵、上述Al2O3溶胶和体积分数为75%的硫酸溶液按照重量份比为2:1:2:3的比例混合,于90℃下搅拌加热2h,冷冻干燥48h,得改性硅藻土;
S2:将上述混合料制成泥浆坯料,塑形并烘干得坯体;
S3:坯体初次烧制,初次烧制以20℃/min的升温速率,温度升到1500℃,保温12h,初次烧制后进行仿古图案彩绘、二次烧制,二次烧制的温度为800℃,得到仿古抗菌防霉陶瓷工艺品。
对比例2:
对比例1与实施例1的组分基本相同,不同的是,不用纳米粉体,不对硅藻土改性,具体为:
一种仿古抗菌防霉陶瓷工艺品,包括以下重量份的组分:石英30份、钾长石30份、氧化铝20份、氧化锆10份、氧化镁20份、磷酸钠8份、硅藻土40份和碳纳米管悬浮液100份。
一种仿古抗菌防霉陶瓷工艺品的制备方法,包括以下步骤:
S1:将上述的石英、钾长石、氧化铝、氧化锆、氧化镁、磷酸钠和硅藻土入球磨机中研磨、搅拌均匀,得混合料;
S2:将上述二分之一重量份的碳纳米管悬浮液加入上述混合料制成泥浆坯料,塑形并烘干得坯体;
S3:将剩余的碳纳米管悬浮液均匀涂抹至坯体表面;
S4:对步骤S3所得坯体初次烧制,初次烧制以20℃/min的升温速率,温度升到1500℃,保温12h,初次烧制后进行仿古图案彩绘、二次烧制,二次烧制的温度为800℃,得到仿古抗菌防霉陶瓷工艺品。
其中,步骤S2和S3中碳纳米管悬浮液的制备方法包括:
将柠檬精油、N,N’-亚甲基双丙烯酰胺和体积分数为75%的乙醇溶液按照重量份比为1:1:2的比例混合均匀,得油相;
将上述油相、质量分数75%的海藻酸钠水溶液和体积分数为30%的醋酸水溶液按照重量份比为1:1:1的比例混合,得海藻酸钠油液;
将上述海藻酸钠油液、吐温-80、聚乙烯吡咯烷酮和质量分数75%的碳纳米管酸溶液按照重量份比为2:1:1:2的比例混合,搅拌2h,得碳纳米管悬浮液。
其中,所述碳纳米管酸溶液的制备方法包括:将碳纳米管、十二烷基硫酸钠与体积分数75%的硫酸溶液按照1:2:4的重量份比混合,搅拌1.5h,得碳纳米管酸溶液。
下面对本发明实施例1至实施例3、对比例1至对比例2得到的陶瓷工艺品以及普通陶瓷工艺品(购于市售多可建材科技的抗菌防霉瓷砖)进行性能测试,测试结果如表1所示。
防霉抗菌测试:依照JC/T 897-2014《抗菌陶瓷制品抗菌性能》进行测定,分别放入大肠杆菌、金黄色葡萄球菌、白色念珠球菌的培养皿中,测试抑菌率,各菌种均是在25℃下培养12h,采用平板计数法测试抗菌率。
抗压强度测试:依照GB/T 4740-1999《陶瓷材料抗压强度试验方法》进行测试。
表1:实施例1-3、市售陶瓷和对比例1-2的测试数据
从上表可以看出,相较对比例1-2和市售陶瓷,本发明实施例1-3的陶瓷工艺品防霉抗菌性、抗压性均较好。
对所公开的实施例的上述说明,使本领域专业技术人员能够实现或使用本发明。对这些实施例的多种修改对本领域的专业技术人员来说将是显而易见的,本文中所定义的一般原理可以在不脱离本发明的精神或范围的情况下,在其它实施例中实现。因此,本发明将不会被限制于本文所示的这些实施例,而是要符合与本文所公开的原理和新颖特点相一致的最宽的范围。
Claims (10)
1.一种仿古抗菌防霉陶瓷工艺品,其特征在于,包括以下重量份的组分:石英20-30份、钾长石20-30份、氧化铝16-20份、氧化锆8-10份、氧化镁10-20份、磷酸钠5-8份、纳米粉体30-40份、改性硅藻土30-40份和碳纳米管悬浮液80-100份。
2.一种如权利要求1所述的仿古抗菌防霉陶瓷工艺品的制备方法,其特征在于,包括以下步骤:
S1:将石英、钾长石、氧化铝、氧化锆、氧化镁、磷酸钠、纳米粉体和改性硅藻土入球磨机中研磨、搅拌均匀,得混合料;
S2:将二分之一的碳纳米管悬浮液加入上述混合料制成泥浆坯料,塑形并烘干得坯体;
S3:将剩余的碳纳米管悬浮液均匀涂抹至坯体表面;
S4:对步骤S3所得坯体初次烧制,初次烧制后进行仿古图案彩绘、二次烧制,得到仿古抗菌防霉陶瓷工艺品。
3.如权利要求2所述的仿古抗菌防霉陶瓷工艺品的制备方法,其特征在于,步骤S1中所述纳米粉体的制备方法包括:
S11:制备氧化石墨烯粉体和二氧化硅溶胶;
S12:将柠檬精油、N,N’-亚甲基双丙烯酰胺和体积分数为75%的乙醇溶液混合均匀,得油相;将聚乙烯吡咯烷酮和正丁醇混合,得水相;
S13:将二氧化硅溶胶、油相和水相混合,搅拌20-30min后,再加入氧化石墨烯粉体,搅拌2-4h,过滤,60-80℃下真空干燥,得纳米粉体。
4.如权利要求3所述的仿古抗菌防霉陶瓷工艺品的制备方法,其特征在于,所述柠檬精油、N,N’-亚甲基双丙烯酰胺和乙醇溶液的重量份比为1:1:2;所述聚乙烯吡咯烷酮和正丁醇的重量份比为1:2;所述氧化石墨烯粉体、二氧化硅溶胶、油相和水相的重量份比为1:1:3:3。
5.如权利要求3所述的仿古抗菌防霉陶瓷工艺品的制备方法,其特征在于,步骤S11中所述氧化石墨烯粉体的制备方法包括:
S101:将质量分数为75%的聚乙烯吡咯烷酮水溶液、四水合氯化亚铁和体积分数90%的氨水混合搅拌1-2h,得混合液;
S102:将硝酸银和质量分数为70%的氧化石墨烯水溶液,加入到上述步骤S11所得的混合液中,于120-140℃下,水热反应3-4h后,冷冻干燥48h,得氧化石墨烯粉体。
6.如权利要求5所述的仿古抗菌防霉陶瓷工艺品的制备方法,其特征在于,所述聚乙烯吡咯烷酮水溶液、四水合氯化亚铁和氨水的重量份比为1:1:3;硝酸银、氧化石墨烯水溶液和混合液的重量份比为1:1:2。
7.如权利要求3所述的仿古抗菌防霉陶瓷工艺品的制备方法,其特征在于,步骤S11中所述二氧化硅溶胶的制备方法包括:
将正硅酸乙脂与体积分数75%的乙醇溶液混合,加入体积分数75%的硝酸溶液,调节pH至3-4,搅拌30-50min,得二氧化硅溶胶,其中,所述正硅酸乙脂、乙醇和硝酸溶液的重量份比为1:1:2。
8.如权利要求2所述的仿古抗菌防霉陶瓷工艺品的制备方法,其特征在于,步骤S1中所述改性硅藻土的制备方法包括:
将AlCl3与无水乙醇溶液混合,搅拌2-4h,得Al2O3溶胶;
将硅藻土、双十烷基二甲基氯化铵、上述Al2O3溶胶和体积分数为75%的硫酸溶液混合,于80-90℃下搅拌加热1-2h,冷冻干燥48h,得改性硅藻土;
其中,所述AlCl3与无水乙醇溶液的重量份比为1:2;所述硅藻土、双十烷基二甲基氯化铵、Al2O3溶胶和硫酸溶液的重量份比为2:1:2:3。
9.如权利要求2所述的仿古抗菌防霉陶瓷工艺品的制备方法,其特征在于,所述碳纳米管悬浮液的制备方法包括:
将柠檬精油、N,N’-亚甲基双丙烯酰胺和体积分数为75%的乙醇溶液混合均匀,得油相;
将上述油相、质量分数75%的海藻酸钠水溶液和体积分数为30%的醋酸水溶液混合,得海藻酸钠油液;
将海藻酸钠油液、吐温-80、聚乙烯吡咯烷酮和质量分数75%的碳纳米管酸溶液混合,搅拌1-2h,得碳纳米管悬浮液;
其中,所述柠檬精油、N,N’-亚甲基双丙烯酰胺和乙醇溶液的重量份比为1:1:2;所述油相、海藻酸钠水溶液和醋酸水溶液的重量份比为1:1:1;所述海藻酸钠油液、吐温-80、聚乙烯吡咯烷酮和碳纳米管酸溶液的重量份比为2:1:1:2。
10.如权利要求2所述的仿古抗菌防霉陶瓷工艺品的制备方法,其特征在于,所述步骤S4中初次烧制的条件为:以20℃/min的升温速率,温度升到1400-1500℃,保温10-12h;二次烧制的温度为:600-800℃。
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