CN105837175A - 一种抗菌日用陶瓷 - Google Patents
一种抗菌日用陶瓷 Download PDFInfo
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- 239000000919 ceramic Substances 0.000 title claims abstract description 33
- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 14
- 239000004575 stone Substances 0.000 claims abstract description 24
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000008367 deionised water Substances 0.000 claims abstract description 10
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 10
- 239000000843 powder Substances 0.000 claims abstract description 10
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- MBLBDJOUHNCFQT-LXGUWJNJSA-N aldehydo-N-acetyl-D-glucosamine Chemical compound CC(=O)N[C@@H](C=O)[C@@H](O)[C@H](O)[C@H](O)CO MBLBDJOUHNCFQT-LXGUWJNJSA-N 0.000 claims abstract description 8
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- FQENQNTWSFEDLI-UHFFFAOYSA-J sodium diphosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])([O-])=O FQENQNTWSFEDLI-UHFFFAOYSA-J 0.000 claims abstract description 7
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- 230000036541 health Effects 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 abstract 1
- 239000010883 coal ash Substances 0.000 abstract 1
- 239000011435 rock Substances 0.000 abstract 1
- 238000010304 firing Methods 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
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- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000000845 anti-microbial effect Effects 0.000 description 1
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- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 239000012633 leachable Substances 0.000 description 1
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- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
- C04B33/135—Combustion residues, e.g. fly ash, incineration waste
- C04B33/1352—Fuel ashes, e.g. fly ash
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Abstract
本发明公开了一种抗菌日用陶瓷,由以下重量份的原料制备制成:焦磷酸钠2‑3、陶土20‑24、六环石16‑19、氧化钴2‑3、硝酸银10‑14、碳化硼2‑3、纳米氧化钛4‑6、蛭石11‑14、粉煤灰40‑45、白釉球35‑40、废玻璃6‑8、麦饭石10‑14、绿茶21‑25、橙子皮14‑17、贝壳粉6‑8、虾壳粉4‑6、聚乙烯醇0.2‑0.3、磷酸三丁酯0.2‑0.3、去离子水适量;本发明的日用陶瓷制品具有健康、环保、缓释微量元素等有益效果,且抗菌性好,持续时间长,为人们的生命健康提供保障。
Description
技术领域
本发明涉及日用陶瓷技术领域,尤其涉及一种抗菌日用陶瓷。
背景技术
我国不仅矿产资源丰富,同时也是世界上最大的煤炭生产国和煤炭消费国,近年来,我国火力发电发展迅速,其中大多数以煤炭为燃料,发电量达1.3亿kW•h,火力发电所占比例达到了79.6%,由此导致粉煤灰排放量逐年增加。2010年底,排放量达到近3亿吨,大量粉煤灰的排放收到了越来越广泛的关注。我国自1987年开始就对如何利用粉煤灰作为资源综合利用的突破口,对其进行综合利用,成为经济和社会发展的一项长远方针。废玻璃类物质其化学稳定性极强,不腐烂、不燃烧、不能降解,大量的废玻璃既占地,又污染环境,回收和利用是节约能源、保护环境的最佳途径,而且具有很好的经济性,玻璃的主要成分是二氧化硅,能够促进陶瓷的烧结。在陶瓷生产中,烧成温度越高,烧成时间越长,能耗就越高,据热平衡计算,烧成温度每降低100℃,则单位产品热耗可降低10%以上,烧成时间每缩短10%,则产量增加10%,热耗降低4%,所以降低烧成温度和时间具有显著的节能减排社会意义。
近20年来,陶瓷行业进入了日新月异的发展阶段,新技术、新设备的大量使用,陶瓷产量也有较大幅度增长。新型陶瓷作为一种新材料,以其优异的性能在材料领域独树一帜,受到人们的高度重视。日用陶瓷作为传统陶瓷材料在材料领域占有重要的地位,因为它涉及到人们生活的方方面面,日用陶瓷的发展随着人们生活水平的提高提出了更多的要求,其中抗菌是目前提出最普遍的要求。由于瓷器的大量需求,瓷土资源的大量开采正以惊人的速度减少,并且是不可再生资源,如果找不到替代资源,人们有可能以后会面临无资源可采的尴尬局面。杨玉卫等人在《利用粉煤灰等工业废料制备日用陶瓷的研究》一文中指出,利用火电厂排放的粉煤灰、陶瓷工业产生的大量废匣钵、废瓷粉利用正交试验设计配方,研制出清洁生产日用陶瓷的配方,其中粉煤灰、废匣钵、废瓷粉的含量分别是10%、10%、8%,应用此技术可以为企业带来可观的经济效益,为粉煤灰的资源化利用找到出口,虽然提高了社会效益和经济效益,但是很多性能没有达到人们的要求,例如抗菌、抗高温、抗冻等性能不高、使用寿命不长的缺点。
发明内容
本发明目的就是为了弥补已有技术的缺陷,提供一种抗菌日用陶瓷。
本发明是通过以下技术方案实现的:
一种抗菌日用陶瓷,由以下重量份的原料制备制成:焦磷酸钠2-3、陶土20-24、六环石16-19、氧化钴2-3、硝酸银10-14、碳化硼2-3、纳米氧化钛4-6、蛭石11-14、粉煤灰40-45、白釉球35-40、废玻璃6-8、麦饭石10-14、绿茶21-25、橙子皮14-17、贝壳粉6-8、虾壳粉4-6、聚乙烯醇0.2-0.3、磷酸三丁酯0.2-0.3、去离子水适量。
所述一种抗菌日用陶瓷,由下列具体步骤制备制成:
(1)将氢氧化钠滴入硝酸银溶液中再滴加氨水制备0.3-0.5mol/L的银铵溶液,pH值控制在13-14,在60-70℃的水浴下搅拌反应2-3h,在施加一个磁场,加入纳米氧化钛,搅拌均匀后于60KW的超声振荡器中反应4-5h,然后真空干燥后备用;
(2)将麦饭石洗净烘干后磨成细粉,将绿茶、橙子皮、贝壳粉、虾壳粉混合加到75%的乙醇溶液中,在50-60℃时煎煮20-30min,继续升温至90-100℃时煎煮10-20min,冷却至室温后进行离心分离,取其上清液浓缩后和聚乙烯醇、麦饭石粉、磷酸三丁酯球磨30-40min,结束后一边用直流电动搅拌机对浆料不断搅拌,一边喷雾干燥制成纳米麦饭石微球备用;
(3)将废玻璃清洗干净后烘干进行破碎,然后加到胶体磨中研磨过100-200目筛,将玻璃粉与粉煤灰、焦磷酸钠、陶土、六环石、氧化钴混合得到干物料,加入占干物料总质量40-50%的去离子水,经过球磨粉碎得到过300-400目的浆料;
(4)将步骤(3)得到的浆料用磁选机进行磁选除铁,使浆料中铁的含量≤0.2%,将浆料加到成型机中干燥成型得到坯体,将坯体放入炉内温度为100-200℃的烧结炉中,在1210-1280℃温度下进行煅烧5-7h,冷却至常温后打磨刨光备用;
(5)将白釉球、碳化硼、蛭石和步骤(1)得到的抗菌剂混合,加到球磨机中进行湿法球磨,加入物料总重量45-55%的去离子水,将球磨后的釉浆分别过200目、300目筛,去除杂质及粗颗粒,得到细釉浆,将釉浆施釉于步骤(4)制备的素坯上,在1140-1250℃下烧结4-5h;
(6)将步骤(2)制备的纳米麦饭石微球和磷酸氢铝粘结剂按照2-3:1比例混合,涂敷在步骤(5)制备的陶瓷表面,经阴干后在120-140℃下恒温2h即可得到。
本发明的优点是:本发明利用废弃资源粉煤灰作为陶瓷原料,降低了对环境的污染,并且其中氧化硅、氧化铝含量较高,颗粒比表面积大呈多孔结构,容易研磨,可以降低制品的烧成温度,达到节能的目的,废弃的玻璃在与粉煤灰烧结过程中,在低温下熔融,形成玻璃相,起到结合剂的作用,降低了烧成温度,并且提高了陶瓷表面光滑、抗冻、易清洁、抗冲击等方面的性能,将合成的抗菌剂和釉料混合施釉在陶瓷素坯表面,提高了陶瓷的抗菌性能,降低了人类患病的危险系数,并且采用绿茶、橙子皮、贝壳粉、虾壳粉煎煮提取出微量元素用麦饭石包覆形成纳米麦饭石微球,利用粘结剂粘结在陶瓷表面,通过长期受热可溶出多种对人体有益的微量元素,为人们的机体提供营养,强身健体,调节新陈代谢,对人体大有益处,本发明的日用陶瓷制品具有健康、环保、缓释微量元素等有益效果,且抗菌性好,持续时间长,为人们的生命健康提供保障。
具体实施方式
一种抗菌日用陶瓷,由以下重量份(公斤)的原料制备制成:焦磷酸钠2、陶土20、六环石16、氧化钴2、硝酸银10、碳化硼2、纳米氧化钛4、蛭石11、粉煤灰40、白釉球35、废玻璃6、麦饭石10、绿茶21、橙子皮14、贝壳粉6、虾壳粉4、聚乙烯醇0.2、磷酸三丁酯0.2、去离子水适量。
所述一种抗菌日用陶瓷,由下列具体步骤制备制成:
(1)将氢氧化钠滴入硝酸银溶液中再滴加氨水制备0.3mol/L的银铵溶液,pH值控制在13,在60℃的水浴下搅拌反应2h,在施加一个磁场,加入纳米氧化钛,搅拌均匀后于60KW的超声振荡器中反应4h,然后真空干燥后备用;
(2)将麦饭石洗净烘干后磨成细粉,将绿茶、橙子皮、贝壳粉、虾壳粉混合加到75%的乙醇溶液中,在50℃时煎煮20min,继续升温至90℃时煎煮10min,冷却至室温后进行离心分离,取其上清液浓缩后和聚乙烯醇、麦饭石粉、磷酸三丁酯球磨30min,结束后一边用直流电动搅拌机对浆料不断搅拌,一边喷雾干燥制成纳米麦饭石微球备用;
(3)将废玻璃清洗干净后烘干进行破碎,然后加到胶体磨中研磨过100目筛,将玻璃粉与粉煤灰、焦磷酸钠、陶土、六环石、氧化钴混合得到干物料,加入占干物料总质量40%的去离子水,经过球磨粉碎得到过300目的浆料;
(4)将步骤(3)得到的浆料用磁选机进行磁选除铁,使浆料中铁的含量≤0.2%,将浆料加到成型机中干燥成型得到坯体,将坯体放入炉内温度为100℃的烧结炉中,在1210℃温度下进行煅烧5h,冷却至常温后打磨刨光备用;
(5)将白釉球、碳化硼、蛭石和步骤(1)得到的抗菌剂混合,加到球磨机中进行湿法球磨,加入物料总重量45%的去离子水,将球磨后的釉浆分别过200目、300目筛,去除杂质及粗颗粒,得到细釉浆,将釉浆施釉于步骤(4)制备的素坯上,在1140℃下烧结4h;
(6)将步骤(2)制备的纳米麦饭石微球和磷酸氢铝粘结剂按照2:1比例混合,涂敷在步骤(5)制备的陶瓷表面,经阴干后在120℃下恒温2h即可得到。
试验数据:
产品外观规整,釉面平整;抗热震性试验达到200℃投入20℃水中热交换一次不裂;机械强度≥143mp2;釉面维氏显微硬度≥6.2GPa;太阳光下1小时的杀菌效率≥73%;抗冲击强度≥1.4J/cm2。
Claims (2)
1.一种抗菌日用陶瓷,其特征在于,由以下重量份的原料制备制成:焦磷酸钠2-3、陶土20-24、六环石16-19、氧化钴2-3、硝酸银10-14、碳化硼2-3、纳米氧化钛4-6、蛭石11-14、粉煤灰40-45、白釉球35-40、废玻璃6-8、麦饭石10-14、绿茶21-25、橙子皮14-17、贝壳粉6-8、虾壳粉4-6、聚乙烯醇0.2-0.3、磷酸三丁酯0.2-0.3、去离子水适量。
2.根据权利要求1所述一种抗菌日用陶瓷,其特征在于,由下列具体步骤制备制成:
(1)将氢氧化钠滴入硝酸银溶液中再滴加氨水制备0.3-0.5mol/L的银铵溶液,pH值控制在13-14,在60-70℃的水浴下搅拌反应2-3h,在施加一个磁场,加入纳米氧化钛,搅拌均匀后于60KW的超声振荡器中反应4-5h,然后真空干燥后备用;
(2)将麦饭石洗净烘干后磨成细粉,将绿茶、橙子皮、贝壳粉、虾壳粉混合加到75%的乙醇溶液中,在50-60℃时煎煮20-30min,继续升温至90-100℃时煎煮10-20min,冷却至室温后进行离心分离,取其上清液浓缩后和聚乙烯醇、麦饭石粉、磷酸三丁酯球磨30-40min,结束后一边用直流电动搅拌机对浆料不断搅拌,一边喷雾干燥制成纳米麦饭石微球备用;
(3)将废玻璃清洗干净后烘干进行破碎,然后加到胶体磨中研磨过100-200目筛,将玻璃粉与粉煤灰、焦磷酸钠、陶土、六环石、氧化钴混合得到干物料,加入占干物料总质量40-50%的去离子水,经过球磨粉碎得到过300-400目的浆料;
(4)将步骤(3)得到的浆料用磁选机进行磁选除铁,使浆料中铁的含量≤0.2%,将浆料加到成型机中干燥成型得到坯体,将坯体放入炉内温度为100-200℃的烧结炉中,在1210-1280℃温度下进行煅烧5-7h,冷却至常温后打磨刨光备用;
(5)将白釉球、碳化硼、蛭石和步骤(1)得到的抗菌剂混合,加到球磨机中进行湿法球磨,加入物料总重量45-55%的去离子水,将球磨后的釉浆分别过200目、300目筛,去除杂质及粗颗粒,得到细釉浆,将釉浆施釉于步骤(4)制备的素坯上,在1140-1250℃下烧结4-5h;
(6)将步骤(2)制备的纳米麦饭石微球和磷酸氢铝粘结剂按照2-3:1比例混合,涂敷在步骤(5)制备的陶瓷表面,经阴干后在120-140℃下恒温2h即可得到。
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CN107746248A (zh) * | 2017-11-21 | 2018-03-02 | 沈宇杰 | 一种环保陶瓷材料及其制备方法 |
CN109437846A (zh) * | 2019-01-03 | 2019-03-08 | 于富强 | 一种负离子、银离子功能陶瓷砖的生产方法 |
CN112643029A (zh) * | 2019-10-10 | 2021-04-13 | 银未来株式会社 | 银杀菌刃具的制造方法 |
CN112830763A (zh) * | 2021-01-22 | 2021-05-25 | 福建省德化县宝瑞陶瓷有限公司 | 抗热震抗菌低温强化瓷的制备方法 |
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CN107746248A (zh) * | 2017-11-21 | 2018-03-02 | 沈宇杰 | 一种环保陶瓷材料及其制备方法 |
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