CN107721382A - 一种抗菌彩陶 - Google Patents
一种抗菌彩陶 Download PDFInfo
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- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 28
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical class O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims abstract description 37
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 26
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229920001661 Chitosan Polymers 0.000 claims abstract description 20
- 229920002101 Chitin Polymers 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 13
- 238000010304 firing Methods 0.000 claims abstract description 11
- ZJOLCKGSXLIVAA-UHFFFAOYSA-N ethene;octadecanamide Chemical compound C=C.CCCCCCCCCCCCCCCCCC(N)=O.CCCCCCCCCCCCCCCCCC(N)=O ZJOLCKGSXLIVAA-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000012545 processing Methods 0.000 claims abstract description 8
- 238000001035 drying Methods 0.000 claims abstract description 6
- 238000002156 mixing Methods 0.000 claims abstract description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 23
- 239000005995 Aluminium silicate Substances 0.000 claims description 21
- 235000012211 aluminium silicate Nutrition 0.000 claims description 21
- 229910021389 graphene Inorganic materials 0.000 claims description 20
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 17
- 238000002360 preparation method Methods 0.000 claims description 17
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 13
- 239000005977 Ethylene Substances 0.000 claims description 13
- 239000002689 soil Substances 0.000 claims description 13
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 claims description 12
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 10
- 239000002253 acid Substances 0.000 claims description 10
- 239000001506 calcium phosphate Substances 0.000 claims description 10
- 229910000389 calcium phosphate Inorganic materials 0.000 claims description 10
- 235000011010 calcium phosphates Nutrition 0.000 claims description 10
- 229960004643 cupric oxide Drugs 0.000 claims description 10
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 claims description 10
- 238000010792 warming Methods 0.000 claims description 10
- 229910052845 zircon Inorganic materials 0.000 claims description 10
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 claims description 10
- 239000000377 silicon dioxide Substances 0.000 claims description 9
- 239000000758 substrate Substances 0.000 claims description 8
- 239000004927 clay Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 235000021355 Stearic acid Nutrition 0.000 claims description 5
- 150000001412 amines Chemical class 0.000 claims description 5
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 239000008367 deionised water Substances 0.000 claims description 5
- 229910021641 deionized water Inorganic materials 0.000 claims description 5
- 150000004676 glycans Chemical class 0.000 claims description 5
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 5
- 239000008117 stearic acid Substances 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 239000010455 vermiculite Substances 0.000 claims description 5
- 235000019354 vermiculite Nutrition 0.000 claims description 5
- 229910052902 vermiculite Inorganic materials 0.000 claims description 5
- 238000001238 wet grinding Methods 0.000 claims description 5
- 239000004408 titanium dioxide Substances 0.000 claims description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims 1
- 238000009413 insulation Methods 0.000 claims 1
- 229910052710 silicon Inorganic materials 0.000 claims 1
- 239000010703 silicon Substances 0.000 claims 1
- 230000000845 anti-microbial effect Effects 0.000 abstract description 4
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 239000000919 ceramic Substances 0.000 description 17
- 230000000052 comparative effect Effects 0.000 description 10
- SIQZJFKTROUNPI-UHFFFAOYSA-N 1-(hydroxymethyl)-5,5-dimethylhydantoin Chemical compound CC1(C)N(CO)C(=O)NC1=O SIQZJFKTROUNPI-UHFFFAOYSA-N 0.000 description 8
- 150000001408 amides Chemical class 0.000 description 5
- 230000001476 alcoholic effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000003115 biocidal effect Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- LYRFLYHAGKPMFH-UHFFFAOYSA-N octadecanamide Chemical class CCCCCCCCCCCCCCCCCC(N)=O LYRFLYHAGKPMFH-UHFFFAOYSA-N 0.000 description 3
- 230000001954 sterilising effect Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 241000295644 Staphylococcaceae Species 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- DCXXMTOCNZCJGO-UHFFFAOYSA-N tristearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(OC(=O)CCCCCCCCCCCCCCCCC)COC(=O)CCCCCCCCCCCCCCCCC DCXXMTOCNZCJGO-UHFFFAOYSA-N 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 229940088710 antibiotic agent Drugs 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
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- 230000004069 differentiation Effects 0.000 description 1
- 239000003317 industrial substance Substances 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
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- C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
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Abstract
本发明公开了一种抗菌彩陶,涉及彩陶加工技术领域,通过配料、混合、制坯体、上釉料、干燥、烧制制成;本发明能够有效的提高彩陶表面硬度,通过采用壳聚糖改性高岭土,在壳聚糖改性高岭土加工过程中添加一定量的乙撑双硬脂酸酰胺,能够有效的提高壳聚糖与高岭土的结合程度,大幅度的提高壳聚糖在彩陶中抗菌效果的时间,通过在釉料中采用纳米二氧化钛,能够有效的提高釉层的抗菌性能,但是由于纳米二氧化钛具有集聚性,导致分散不均,通过添加一定量的乙撑双硬脂酸酰胺能够有效的促进纳米二氧化钛的分散均匀性,同时,能够有效的与纳米二氧化钛相结合,提高釉层对纳米二氧化钛的吸附力,进而有效的提高了彩陶抗菌持久性。
Description
技术领域
本发明属于彩陶加工技术领域,具体涉及一种抗菌彩陶。
背景技术
中国是陶瓷古国,说起陶瓷,外国人就想到中国。陶艺是一种人工形态。陶瓷形态的基本材料是土、水、火。人只有掌握了水土揉合的可塑性,流变性,以及成型方法和烧结规律,才能促成陶艺形态的产生和演化,使陶瓷器物产生美的形式。同时注重造型与装饰的有机结合,通过人们敏锐的灵感和创新意识,捕捉并揭示泥土的塑性美、柔韧美以及表现活力,这样就出现了全新的陶艺形态,为智慧的人所掌握、发展、创新。任何艺术发展到一定阶段,都会形成完整的技巧。陶瓷艺术在中国发源年代久远,样貌繁多,在世界历史上中国的陶瓷艺术一直是具有相当的代表性,也由于传承年代久远,技术不断更新,加上历经朝代更迭,不同民族性与生活方式影响了中国陶瓷的发展方向。随着朝代及制陶技术的演进,陶瓷品在人类的生活中已不再只有实用的价值,同时因为文化的演变,陶瓷渐渐成为一项重要的艺术文化,多样化的风格及不同的型态用途,所代表的是人类审美观及生活品质的改变。由于现代对于化工原料知识的进步,与釉烧技术的发展,加上工业化后机器的制造与发明,陶艺的制作技术也在不断提升。
现在各种抗菌制品中,抗菌彩陶由于与人们生活密切相关,近年来得到了广泛的重视和研究,然而抗菌彩陶的加工中需要解决一个问题,就是抗菌剂如何能够稳定分散在彩陶中长期保持良好的抗菌性,同时在受潮的情况下,容易脱釉,不易保存的问题,然而现有的抗菌陶瓷无法有效的解决这个问题。
发明内容
本发明的目的是针对现有的问题,提供了一种抗菌彩陶。
本发明是通过以下技术方案实现的:
一种抗菌彩陶,通过配料、混合、制坯体、上釉料、干燥、烧制制成;所述配料按重量份计由以下成分制成:壳聚糖改性高岭土35-40、黏土14-16、碳酸钙12-15、硅藻土13-18、蛭石6-10、绢云母10-12、胶泥6-8;所述釉料按重量份计由以下成分制成:二氧化硅32-35、釉土45-55、醇磨纳米石墨烯5.4-8.6、乙撑双硬脂酸酰胺0.5-0.8、纳米二氧化钛2.4-2.6、氧化铜3-5、锆英石5.5-5.8、磷酸钙1-3。
进一步的,所述壳聚糖改性高岭土制备方法为:
(1)将壳聚糖溶于质量分数为5%的醋酸溶液中,搅拌均匀,制得壳聚糖酸溶液,所述壳聚糖与醋酸溶液质量比为1:60;
(2)将高岭土置于马弗炉中,在550℃下进行高温焙烧35min,然后随炉冷却至室温,研磨,过120目;
(3)将步骤(2)处理后的高岭土与壳聚糖酸溶液按150g:300mL的比例均匀混合到一起,进行研磨至高岭土80%以上粒度至300目停止,再添加高岭土质量2.5%的乙撑双硬脂酸酰胺,搅拌均匀后,加热至55℃,保温2小时,然后进行过滤,采用去离子水清洗至中性,烘干至恒重,即得。
进一步的,所述醇磨纳米石墨烯制备方法为:将纳米石墨烯与质量分数为90%的乙醇溶液按20g:200mL的比例均匀混合到一起,加热至60℃,研磨2小时,然后进行过滤,烘干至恒重,即得。
进一步的,所述釉料制备方法为:将二氧化硅、釉土、醇磨纳米石墨烯、乙撑双硬脂酸酰胺、纳米二氧化钛、氧化铜、锆英石、磷酸钙按各配比进行均匀混合,湿磨3.5h,过300目筛,制成釉浆。
进一步的,所述上釉料采用浸釉法施釉,釉层厚度1.0mm。
进一步的,所述烧制条件为:将坯体先加热至720℃,保温2h,然后降温至650℃,保温20min,然后进行上釉料后,再升温至950℃保温3小时,降低温度至800℃,保温15min,再升温至1150℃,保温2.5小时,最后自然冷却至室温,即得。
纳米二氧化钛是当前抗菌材料之一,应用领域广,抗菌效果好,现有技术中已有将纳米二氧化钛添加到陶瓷中以提高陶瓷的抗菌性,但是现有的陶瓷加工中,纳米二氧化钛的分散性不均匀,易于聚集,同时,加工完成的陶瓷抗菌时效较短,尤其在潮湿环境下釉层易于脱落。
本发明相比现有技术具有以下优点:本发明经过大量实验研究,选择分别以720℃和650℃对坯体进行素烧,能够使得坯体经过素烧后,坯体成形压力增加,颗粒间的接触点增加,物质迁移通道增加,致密化的速率得到极大的提高,硬度显著增加,通过采用壳聚糖改性高岭土,在壳聚糖改性高岭土加工过程中添加一定量的乙撑双硬脂酸酰胺,能够有效的提高壳聚糖与高岭土的结合程度,大幅度的提高壳聚糖在彩陶中抗菌效果的时间,同时,能够改善坯体表面吸附性,能够提高坯体对釉层的吸附力,从而有效的提高了彩陶表面釉层的保持时间,进而提高了彩陶的使用寿命;通过在釉料中采用纳米二氧化钛,能够有效的提高釉层的抗菌性能,但是由于纳米二氧化钛具有集聚性,导致分散不均,通过添加一定量的乙撑双硬脂酸酰胺能够有效的促进纳米二氧化钛的分散均匀性,同时,能够有效的与纳米二氧化钛相结合,提高釉层对纳米二氧化钛的吸附力,进而有效的提高了彩陶抗菌持久性。
具体实施方式
实施例1
一种抗菌彩陶,通过配料、混合、制坯体、上釉料、干燥、烧制制成;所述配料按重量份计由以下成分制成:壳聚糖改性高岭土35、黏土14、碳酸钙12、硅藻土13、蛭石6、绢云母10、胶泥6;所述釉料按重量份计由以下成分制成:二氧化硅32、釉土45、醇磨纳米石墨烯5.4、乙撑双硬脂酸酰胺0.5、纳米二氧化钛2.4、氧化铜3、锆英石5.5、磷酸钙1。
进一步的,所述壳聚糖改性高岭土制备方法为:
(1)将壳聚糖溶于质量分数为5%的醋酸溶液中,搅拌均匀,制得壳聚糖酸溶液,所述壳聚糖与醋酸溶液质量比为1:60;
(2)将高岭土置于马弗炉中,在550℃下进行高温焙烧35min,然后随炉冷却至室温,研磨,过120目;
(3)将步骤(2)处理后的高岭土与壳聚糖酸溶液按150g:300mL的比例均匀混合到一起,进行研磨至高岭土80%以上粒度至300目停止,再添加高岭土质量2.5%的乙撑双硬脂酸酰胺,搅拌均匀后,加热至55℃,保温2小时,然后进行过滤,采用去离子水清洗至中性,烘干至恒重,即得。
进一步的,所述醇磨纳米石墨烯制备方法为:将纳米石墨烯与质量分数为90%的乙醇溶液按20g:200mL的比例均匀混合到一起,加热至60℃,研磨2小时,然后进行过滤,烘干至恒重,即得。
进一步的,所述釉料制备方法为:将二氧化硅、釉土、醇磨纳米石墨烯、乙撑双硬脂酸酰胺、纳米二氧化钛、氧化铜、锆英石、磷酸钙按各配比进行均匀混合,湿磨3.5h,过300目筛,制成釉浆。
进一步的,所述上釉料采用浸釉法施釉,釉层厚度1.0mm。
进一步的,所述烧制条件为:将坯体先加热至720℃,保温2h,然后降温至650℃,保温20min,然后进行上釉料后,再升温至950℃保温3小时,降低温度至800℃,保温15min,再升温至1150℃,保温2.5小时,最后自然冷却至室温,即得。
实施例2
一种抗菌彩陶,通过配料、混合、制坯体、上釉料、干燥、烧制制成;所述配料按重量份计由以下成分制成:壳聚糖改性高岭土40、黏土16、碳酸钙15、硅藻土18、蛭石10、绢云母12、胶泥8;所述釉料按重量份计由以下成分制成:二氧化硅35、釉土55、醇磨纳米石墨烯8.6、乙撑双硬脂酸酰胺0.8、纳米二氧化钛2.6、氧化铜5、锆英石5.8、磷酸钙3。
进一步的,所述壳聚糖改性高岭土制备方法为:
(1)将壳聚糖溶于质量分数为5%的醋酸溶液中,搅拌均匀,制得壳聚糖酸溶液,所述壳聚糖与醋酸溶液质量比为1:60;
(2)将高岭土置于马弗炉中,在550℃下进行高温焙烧35min,然后随炉冷却至室温,研磨,过120目;
(3)将步骤(2)处理后的高岭土与壳聚糖酸溶液按150g:300mL的比例均匀混合到一起,进行研磨至高岭土80%以上粒度至300目停止,再添加高岭土质量2.5%的乙撑双硬脂酸酰胺,搅拌均匀后,加热至55℃,保温2小时,然后进行过滤,采用去离子水清洗至中性,烘干至恒重,即得。
进一步的,所述醇磨纳米石墨烯制备方法为:将纳米石墨烯与质量分数为90%的乙醇溶液按20g:200mL的比例均匀混合到一起,加热至60℃,研磨2小时,然后进行过滤,烘干至恒重,即得。
进一步的,所述釉料制备方法为:将二氧化硅、釉土、醇磨纳米石墨烯、乙撑双硬脂酸酰胺、纳米二氧化钛、氧化铜、锆英石、磷酸钙按各配比进行均匀混合,湿磨3.5h,过300目筛,制成釉浆。
进一步的,所述上釉料采用浸釉法施釉,釉层厚度1.0mm。
进一步的,所述烧制条件为:将坯体先加热至720℃,保温2h,然后降温至650℃,保温20min,然后进行上釉料后,再升温至950℃保温3小时,降低温度至800℃,保温15min,再升温至1150℃,保温2.5小时,最后自然冷却至室温,即得。
实施例3
一种抗菌彩陶,通过配料、混合、制坯体、上釉料、干燥、烧制制成;所述配料按重量份计由以下成分制成:壳聚糖改性高岭土38、黏土15、碳酸钙13、硅藻土15、蛭石8、绢云母11、胶泥7;所述釉料按重量份计由以下成分制成:二氧化硅33、釉土50、醇磨纳米石墨烯6.6、乙撑双硬脂酸酰胺0.6、纳米二氧化钛2.5、氧化铜4、锆英石5.6、磷酸钙2。
进一步的,所述壳聚糖改性高岭土制备方法为:
(1)将壳聚糖溶于质量分数为5%的醋酸溶液中,搅拌均匀,制得壳聚糖酸溶液,所述壳聚糖与醋酸溶液质量比为1:60;
(2)将高岭土置于马弗炉中,在550℃下进行高温焙烧35min,然后随炉冷却至室温,研磨,过120目;
(3)将步骤(2)处理后的高岭土与壳聚糖酸溶液按150g:300mL的比例均匀混合到一起,进行研磨至高岭土80%以上粒度至300目停止,再添加高岭土质量2.5%的乙撑双硬脂酸酰胺,搅拌均匀后,加热至55℃,保温2小时,然后进行过滤,采用去离子水清洗至中性,烘干至恒重,即得。
进一步的,所述醇磨纳米石墨烯制备方法为:将纳米石墨烯与质量分数为90%的乙醇溶液按20g:200mL的比例均匀混合到一起,加热至60℃,研磨2小时,然后进行过滤,烘干至恒重,即得。
进一步的,所述釉料制备方法为:将二氧化硅、釉土、醇磨纳米石墨烯、乙撑双硬脂酸酰胺、纳米二氧化钛、氧化铜、锆英石、磷酸钙按各配比进行均匀混合,湿磨3.5h,过300目筛,制成釉浆。
进一步的,所述上釉料采用浸釉法施釉,釉层厚度1.0mm。
进一步的,所述烧制条件为:将坯体先加热至720℃,保温2h,然后降温至650℃,保温20min,然后进行上釉料后,再升温至950℃保温3小时,降低温度至800℃,保温15min,再升温至1150℃,保温2.5小时,最后自然冷却至室温,即得。
对比例1:与实施例1区别仅在于将壳聚糖改性高岭土替换为普通高岭土。
对比例2:与实施例1区别仅在于壳聚糖改性高岭土制备过程中不添加乙撑双硬脂酸酰胺。
对比例3:与实施例1区别仅在于釉料中不添加乙撑双硬脂酸酰胺。
试验:
按实施例与对比例方法制成相同规格的陶瓷罐,对制成的陶瓷罐表面硬度、裂纹率进行对比;
硬度测试采用HBRV-187.5布洛维硬度计进行测试:
表1
由表1可以看出,本发明制备的抗菌彩陶不仅具有良好的表面硬度,陶瓷加工过程中裂纹率大幅度降低。
杀菌稳定性实验(37℃加速试验),测试2min杀菌率:
按实施例与对比例方法制备成相同规格的彩陶后,分别向实施例与对比例制备的彩陶表面接种等量的金色葡萄球菌,2min后,进行检测对比:
表2
由表2可以看出,本发明制备的彩陶杀菌效果好,乙撑双硬脂酸酰胺的添加能一定程度上提高彩陶的杀菌效果;
按实施例与对比例方法制备成相同规格的彩陶后,将实施例与对比例制备的彩陶放置在温度为10℃,空气相对湿度为90%环境下放置30天,然后取出,接种等量的金色葡萄球菌,2min后,进行检测对比:
表3
由表3可以看出,对比例1杀菌率大幅度降低,是由于表面釉层脱落,导致彩陶抗菌性能大幅度降低;对比例3杀菌率降低是由于不添加乙撑双硬脂酸酰胺,导致彩陶表面杀菌性损失较快,杀菌效果减弱。
Claims (6)
1.一种抗菌彩陶,其特征在于,通过配料、混合、制坯体、上釉料、干燥、烧制制成;所述配料按重量份计由以下成分制成:壳聚糖改性高岭土35-40、黏土14-16、碳酸钙12-15、硅藻土13-18、蛭石6-10、绢云母10-12、胶泥6-8;所述釉料按重量份计由以下成分制成:二氧化硅32-35、釉土45-55、醇磨纳米石墨烯5.4-8.6、乙撑双硬脂酸酰胺0.5-0.8、纳米二氧化钛2.4-2.6、氧化铜3-5、锆英石5.5-5.8、磷酸钙1-3。
2.如权利要求1所述的一种抗菌彩陶,其特征在于,所述壳聚糖改性高岭土制备方法为:
(1)将壳聚糖溶于质量分数为5%的醋酸溶液中,搅拌均匀,制得壳聚糖酸溶液,所述壳聚糖与醋酸溶液质量比为1:60;
(2)将高岭土置于马弗炉中,在550℃下进行高温焙烧35min,然后随炉冷却至室温,研磨,过120目;
(3)将步骤(2)处理后的高岭土与壳聚糖酸溶液按150g:300mL的比例均匀混合到一起,进行研磨至高岭土80%以上粒度至300目停止,再添加高岭土质量2.5%的乙撑双硬脂酸酰胺,搅拌均匀后,加热至55℃,保温2小时,然后进行过滤,采用去离子水清洗至中性,烘干至恒重,即得。
3.如权利要求1所述的一种抗菌彩陶,其特征在于,所述醇磨纳米石墨烯制备方法为:将纳米石墨烯与质量分数为90%的乙醇溶液按20g:200mL的比例均匀混合到一起,加热至60℃,研磨2小时,然后进行过滤,烘干至恒重,即得。
4.如权利要求1所述的一种抗菌彩陶,其特征在于,所述釉料制备方法为:将二氧化硅、釉土、醇磨纳米石墨烯、乙撑双硬脂酸酰胺、纳米二氧化钛、氧化铜、锆英石、磷酸钙按各配比进行均匀混合,湿磨3.5h,过300目筛,制成釉浆。
5.如权利要求1所述的一种抗菌彩陶,其特征在于,所述上釉料采用浸釉法施釉,釉层厚度1.0mm。
6.如权利要求1所述的一种抗菌彩陶,其特征在于,所述烧制条件为:将坯体先加热至720℃,保温2h,然后降温至650℃,保温20min,然后进行上釉料后,再升温至950℃保温3小时,降低温度至800℃,保温15min,再升温至1150℃,保温2.5小时,最后自然冷却至室温,即得。
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CN112266170A (zh) * | 2020-11-20 | 2021-01-26 | 冯琪茗 | 一种高温还原焰釉下颜色釉的制备工艺 |
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