CN116041043A - 一种黑色抗菌防静电陶瓷台面板及其制备方法 - Google Patents
一种黑色抗菌防静电陶瓷台面板及其制备方法 Download PDFInfo
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Abstract
本发明属于建筑陶瓷技术领域,具体公开了一种黑色抗菌防静电陶瓷台面板及其制备方法。陶瓷台面板包括坯体层和釉层,坯体层的制备原料包括金属冶炼矿渣、黑色导电金属粉和锌粉,釉层的制备原料包括黑色导电金属粉和锌粉;黑色导电金属粉包括铁粉、铜粉、钒粉、钨粉、钛粉中的至少一种。本发明充分利用金属冶炼矿渣的黑色着色性和低电阻特性,并利用铁粉、铜粉、钒粉、钨粉或钛粉作为黑色色料及导电材料,同时加入锌粉与黑色导电金属粉形成原电池结构,并使部分黑色导电金属粉继续保持金属颗粒的状态存在于坯体及釉层中,共同赋予了产品低电阻优异的低电阻特性;加之氧化后的锌粉具有抗菌功能,从而制备了兼具黑色、抗菌和防静电功能的陶瓷台面板。
Description
技术领域
本发明属于建筑陶瓷技术领域,具体涉及一种黑色抗菌防静电陶瓷台面板及其制备方法。
背景技术
不同实验室对于台面有不同的要求,如化学实验室需要台面侧重防化学腐蚀的性能;物理实验室需台面抗磨损、抗冲击及耐热;微生物实验室需台面抗菌、耐污染、易清洗,电子实验室需台面防静电。陶瓷以其优异耐候、耐腐蚀、耐磨、耐高温及抗污性能,是现阶段作为实验室台面板最为理想的材料。同时,为凸显出科学实验的庄重性及严肃性,多采用黑色台面板作为实验室的操作台面。鉴于电子实验室高精密仪器性能易受静电影响,微生物实验室中的微生物实验结果易受空气微生物影响,黑色陶瓷台面板需具备防静电及抗菌功能,以满足不同类型实验室的应用需求。
金属冶炼矿渣是在工业生产金属过程中排出的采矿废石、选矿尾矿、冶炼及化工过程中所排放的固体废物。由于缺乏经济、环保、高效的提取处理技术和工艺,绝大多数的金属冶炼矿渣只能作为固体废物堆存。这些金属冶炼矿渣的堆存,不仅占用大量土地,同时引起环境污染而影响当地发展。因此,合理、经济、环保、有效的处理金属冶炼矿渣,实现金属冶炼矿渣资源的再利用成为了当下亟待解决的关键问题之一。
目前,通常是使用价格昂贵的氧化锡或锑掺杂氧化锡为导电填料,并添加价格高昂的银离子抗菌剂来制备抗菌防静电陶瓷砖。同时,由于现今多采用价格昂贵的含钴黑色色料来制备黑色陶瓷砖,使得黑色抗菌防静电陶瓷台面板的制备成本高昂,且鲜有同时具备抗菌及防静电功能的黑色陶瓷产品推向市场,这也极大限制陶瓷台面板的应用范围。
发明内容
本发明提出一种黑色抗菌防静电陶瓷台面板及其制备方法,以解决现有技术中存在的一个或多个技术问题,至少提供一种有益的选择或创造条件。
为解决上述技术问题,本发明的第一方面提供了一种黑色抗菌防静电陶瓷台面板,包括坯体层和釉层,所述坯体层的制备原料包括金属冶炼矿渣、黑色导电金属粉和锌粉,所述釉层的制备原料包括黑色导电金属粉和锌粉;所述黑色导电金属粉包括铁粉、铜粉、矾粉、钨粉、钛粉中的至少一种。
具体地,本发明的黑色抗菌防静电陶瓷台面板的坯体层以金属冶炼矿渣、黑色导电金属粉和锌粉为主要制备原料,而釉层则以黑色导电金属粉和锌粉为主要制备原料。其中:金属冶炼矿渣一方面含制备建筑陶瓷所需要的氧化硅、氧化铝及氧化钙成分,另一方面含有低电阻、黑色着色性的氧化铁成分,因此金属冶炼矿渣的引入不仅会使坯体显现黑色,同时还有利于降低坯体电阻,从而提高坯体的防静电性能。铁、铜、钒、钨、钛等黑色导电金属粉,在烧成时,将部分氧化形成金属氧化物,不仅能使坯体及釉层显现黑色,同时生成的金属氧化物为低电阻材料,可进一步降低坯体及釉层的电阻,从而进一步提高坯体和釉层的防静电功能。
同时,锌粉的引入,由于其活泼性强于铁粉、铜粉、钒粉、钨粉或钛粉,因此可与这些黑色导电金属粉组成原电池结构,起到保护坯体及釉层中部分黑色导电金属粉被氧化的作用,使其以金属粉体颗粒的形式存在于烧成后的陶瓷台面板中,而这些黑色导电金属粉均具有较低的电阻率,其中:Fe的电阻率为9.7×10-8Ω·m、Cu的电阻率为1.7×10-8Ω·m、V的电阻率2.6×10-7Ω·m、W的电阻率5.5×10-8Ω·m、Ti的电阻率5.6×10-7Ω·m,由这些低电阻率的导电金属粉将与其部分氧化形成的低电阻率的金属氧化物共同形成低电阻率的网络结构体,可显著降低陶瓷台面板的电阻。因此,本发明的金属冶炼矿渣、黑色导电金属粉和锌粉相互作用,共同赋予了陶瓷台面板优异的防静电功能。
此外,部分锌粉在烧成过程中将被氧化后形成氧化锌,氧化锌在潮湿环境中可以缓慢释放锌离子,进入微生物细菌体内阻止微生物细菌的增殖,从而达到抑菌抗菌的功效,进而赋予陶瓷台面板以抗菌功能。同时,当黑色导电金属粉以铜粉引入时,可进一步增强陶瓷台面板的抗菌功能。
优选的,所述坯体层的化学组成,按质量百分比计包括:52.0-59.4% SiO2、14.0-17.0%Al2O3、12.0-22.0% Fe2O3、0.2-2.1% TiO2、1.0-6.8% CaO、0.2-0.5% MgO、2.0-3.0% K2O、1.5-2.5%Na2O、0.8-1.8% ZnO、烧失2.5-5.0%。
优选的,所述釉层的化学组成,按质量百分比计包括:40.0-44.0% SiO2、13.0-14.5% Al2O3、7.5-15.0% Fe2O3、0.1-0.4% TiO2、6.5-7.5% CaO、3.0-3.5% MgO、0.2-0.5% K2O、2.0-3.0% Na2O、6.0-11.0% ZnO、烧失6.0-11.0%。
作为上述方案的进一步改进,所述金属冶炼矿渣选自铁矿渣、钒钛矿渣、铜矿渣中的至少一种。
优选的,所述铁矿渣的化学组成,按重量百分比计包括:25.0-27.0% SiO2、10.0-13.0%Al2O3、40.0-45.0% Fe2O3、5.0-7.0%TiO2、5.0-7.0% CaO、0.3-0.6% MgO、5.0-7.0% K2O、0.1-0.5% Na2O。
优选的,所述钒钛矿渣的化学组成,按重量百分比计包括:25.0-27.0% SiO2、10.0-13.0%Al2O3、9.0-12.0% Fe2O3、7.0-10.0%TiO2、25.0-32.0% CaO、6.0-8.0% MgO、0.1-0.5% K2O、0.5-1.0% Na2O。
优选的,所述铜矿渣的化学组成,按重量百分比计包括:29.0-32.0% SiO2、4.0-6.0% Al2O3、45.0-55.0% Fe2O3、0.1-0.5% TiO2、1.0-2.0% CaO、0.4-0.7% MgO、5.0-7.0% K2O、0.1-0.5%Na2O。
具体地,金属冶炼矿渣铁矿渣、钒钛矿渣、铜矿渣均含有较高含量的铁氧化物、钒氧化物、钛氧化物或铜氧化物,而这些金属氧化物具有较低的电阻率,本发明充分利用这些低电阻率的金属氧化物形成网络结构体,使制备的陶瓷台面板也具有低的电阻率,从而具有良好的防静电功能。
作为上述方案的进一步改进,所述坯体层的制备原料,按重量份计包括:金属冶炼矿渣1-40份、黑色导电金属粉2-10份和锌粉0.5-1.5份。各坯体层的原料在特定的配比下,协同增效,以更好地发挥坯体层的黑色、防静电和抗菌功能。
优选的,所述坯体层的制备原料还包括基础坯料,所述基础坯料按重量份计包括:球土37.5-60份,石英4-7份,钾长石16-25份;基础坯料主要用于保证陶瓷台面板的基本性能。
作为上述方案的进一步改进,所述釉层的制备原料,按重量份计包括:黑色导电金属粉7-13份和锌粉1-2份。
优选的,所述釉层的制备原料还包括基础釉料,所述基础釉料按重量份计包括:钾长石40-45份,高岭土6-9份,石英25-30份,滑石7-11份。
具体地,釉层中未添加金属冶炼矿渣,而是在基础釉料中引入特定配比的黑色导电金属粉和锌粉,以保证釉面黑色发色及釉面质量的前提下,获得更佳的防静电和抗菌功能。
作为上述方案的进一步改进,所述黑色导电金属粉的纯度高于99%,粒径分布D90为2.6-75μm。黑色导电金属粉的颗粒越小,越易分散于坯体层和釉层中,从而更易于形成低电阻网络结构体,以提高陶瓷台面板的防静电功能。
优选的,所述黑色导电金属粉的纯度为99.2-99.5%。
作为上述方案的进一步改进,所述锌粉的纯度高于99%,粒径分布D90为2.6-75μm。通过控制锌粉的纯度和粒径分布,更利于与具有同样高纯度和窄粒径分布的黑色导电金属粉形成原电池结构,从而赋予陶瓷台面板更优的防静电性能。
优选的,所述锌粉的纯度为99.1-99.4%。
本发明的第二方面提供了一种黑色抗菌防静电陶瓷台面板的制备方法,所述制备方法用于制备本发明第一方面所述的黑色抗菌防静电陶瓷台面板,包括以下步骤:
(1)取制备坯体层的各原料,经研磨、喷雾造粒、陈腐后压制成型,得坯体;
(2)取制备釉层的各原料,进行研磨,制得釉浆后,将其施于所述坯体表面,经干燥、烧成后,得所述黑色抗菌防静电陶瓷台面板。
优选的,所述釉浆的流速为15-70秒,所述釉浆的细度为325目筛余小于0.5wt%。
优选的,所述釉浆施于所述坯体表面的施釉方式为喷釉、淋釉、印釉中的任意一种。
优选的,所述烧成的气氛为氧化气氛,所述烧成的温度为1150-1200℃,所述烧成的时间为60-180分钟。本发明对于烧成气氛、烧成温度和烧成时间,与常规建筑陶瓷砖的烧成条件基本相同,可在普通窑炉中进行烧成即可,无需进行调整。
本发明的上述技术方案相对于现有技术,至少具有如下技术效果或优点:
(1)本发明以金属冶炼矿渣、黑色导电金属粉和锌粉为主要原料制备陶瓷台面板,充分利用金属冶炼矿渣的黑色着色性和低电阻特性,并利用铁粉、铜粉、钒粉、钨粉或钛粉作为黑色色料及导电材料,同时引入锌粉与黑色导电金属粉形成原电池结构,并使部分黑色导电金属粉继续保持金属颗粒的状态存在于坯体及釉层中,与金属氧化物共同形成低电阻率的网络结构体,共同赋予了陶瓷台面板的低电阻特性,实现优异的防静电功能;加之氧化后的锌粉在潮湿环境中可以缓慢释放锌离子,进入微生物细菌体内阻止微生物细菌的增殖,从而达到抑菌抗菌的功效,进而赋予陶瓷台面板以抗菌功能。
(2)本发明制备的陶瓷台面板可同时兼具黑色、抗菌和防静电功能,实现体积电阻7.5-85.2MΩ;抗菌率可达98.8-99.9%;表面颜色L值为25.3至30.1、a值为-0.1至-0.8、b值为1.3至2.7。
(3)本发明不仅实现了金属冶炼矿渣的资源化再利用,防止了金属冶炼矿渣中有害物质渗出造成的二次污染;同时通过引入黑色导电金属粉和锌粉,赋予了陶瓷台面板同时兼具黑色、抗菌和防静电功能。在降低生产成本的同时,更保护了环境,为多功能陶瓷台面板的制备提供了一条低成本的绿色发展道路。
附图说明
图1为实施例1及对比例5制备的黑色抗菌防静电陶瓷台面板样品的实物图。
具体实施方式
下面结合实施例对本发明进行具体描述,以便于所属技术领域的人员对本发明的理解。有必要在此特别指出的是,实施例只是用于对本发明做进一步说明,不能理解为对本发明保护范围的限制,所属领域技术熟练人员,根据上述发明内容对本发明作出的非本质性的改进和调整,应仍属于本发明的保护范围。同时下述所提及的原料未详细说明的,均为市售产品;未详细提及的工艺步骤或制备方法为均为本领域技术人员所知晓的工艺步骤或制备方法。
实施例1
一种黑色抗菌防静电陶瓷台面板,由坯体层和釉层组成。其中:按重量份计,坯体层的制备原料为:铁矿渣40份、铁粉2份、锌粉0.5份、球土37.5份,石英4份,钾长石16份。按重量份计,釉层的制备原料为:铁粉13份、锌粉2份、钾长石42.5份,高岭土8.5份,石英27份,滑石7份。
铁矿渣的化学组成,按重量百分比计为:27.0% SiO2、13.0% Al2O3、43.0%Fe2O3、6.5%TiO2、5.0% CaO、0.6% MgO、5.0% K2O、0.3% Na2O。
铁粉的纯度为99.3%,粒径分布D90为2.6μm;锌粉的纯度为99.4%,粒径分布D90为75.0μm。
一种黑色抗菌防静电陶瓷台面板的制备方法,包括以下步骤:
(1)取制备坯体层的各原料,进行湿法球磨,得流速为70s,325目筛余为0.3wt%的坯体浆料;然后将坯体浆料进行过筛、喷雾造粒、陈腐后压制成型,得坯体;
(2)取制备釉层的各原料,进行湿法球磨,得流速为15s,325目筛余为0.2wt%的釉浆;然后将釉浆喷淋于步骤(1)制得的坯体表面,干燥、经1150℃烧制180分钟烧成后,磨边,得本实施例的黑色抗菌防静电陶瓷台面板样品。
实施例2
一种黑色抗菌防静电陶瓷台面板,由坯体层和釉层组成。其中:按重量份计,坯体层的制备原料为:钒钛矿渣18份、铜粉5份、锌粉0.8份、球土45份,石英6.2份,钾长石25份。按重量份计,釉层的制备原料为:铜粉7份、锌粉1份、钾长石45份,高岭土8份,石英29.5份,滑石9.5份。
钒钛矿渣的化学组成,按重量百分比计包括:26.2% SiO2、11.9% Al2O3、10.0%Fe2O3、7.1% TiO2、32.0% CaO、7.5% MgO、0.1% K2O、1.0% Na2O。
铜粉的纯度为99.5%,粒径分布D90为75μm;锌粉的纯度为99.1%,粒径分布D90为2.6μm。
一种黑色抗菌防静电陶瓷台面板的制备方法,包括以下步骤:
(1)取制备坯体层的各原料,进行湿法球磨,得流速为45s,325目筛余为0.4wt%的坯体浆料;然后将坯体浆料进行过筛、喷雾造粒、陈腐后压制成型,得坯体;
(2)取制备釉层的各原料,进行湿法球磨,得流速为70s,325目筛余为0.3wt%的釉浆;然后将釉浆淋施于步骤(1)制得的坯体表面,干燥、经1200℃烧制60分钟烧成后,磨边,得本实施例的黑色抗菌防静电陶瓷台面板样品。
实施例3
一种黑色抗菌防静电陶瓷台面板,由坯体层和釉层组成。其中:按重量份计,坯体层的制备原料为:铜矿渣30份、钒粉8份、锌粉1.2份、球土39.5份,石英4.5份,钾长石16.8份。按重量份计,釉层的制备原料为:钒粉7份、钛粉3份、锌粉1.5份、钾长石43份,高岭土7.5份,石英28份,滑石10份。
铜矿渣的化学组成,按重量百分比计包括:31.8% SiO2、5.6% Al2O3、53.5%Fe2O3、1.0%TiO2、1.6% CaO、0.7% MgO、1.4% K2O、1.1% Na2O。
钒粉的纯度为99.2%,粒径分布D90为40μm;钛粉的纯度为99.5%,粒径分布D90为20μm;锌粉的纯度为99.2%,粒径分布D90为30μm。
一种黑色抗菌防静电陶瓷台面板的制备方法,包括以下步骤:
(1)取制备坯体层的各原料,进行湿法球磨,得流速为55s,325目筛余为0.5wt%的坯体浆料;然后将坯体浆料进行过筛、喷雾造粒、陈腐后压制成型,得坯体;
(2)取制备釉层的各原料,进行湿法球磨,得流速为40s,325目筛余为0.4wt%的釉浆;然后将釉浆喷淋于步骤(1)制得的坯体表面,干燥、经1190℃烧制120分钟烧成后,磨边,得本实施例的黑色抗菌防静电陶瓷台面板样品。
实施例4
一种黑色抗菌防静电陶瓷台面板,由坯体层和釉层组成。其中:按重量份计,坯体层的制备原料为:铁矿渣1份、铁粉3份、钨粉7份、锌粉1.5份、球土60份,石英7份,钾长石20.5份。按重量份计,釉层的制备原料为:铁粉3份、钨粉8份、锌粉2份、钾长石40份,高岭土9份,石英30份,滑石8份。
铁矿渣的化学组成,按重量百分比计为:27.0% SiO2、13.0% Al2O3、43.0%Fe2O3、6.5%TiO2、5.0% CaO、0.6% MgO、5.0% K2O、0.3% Na2O。
铁粉的纯度为99.5%,粒径分布D90为15μm;钨粉的纯度为99.5%,粒径分布D90为30μm;锌粉的纯度为99.2%,粒径分布D90为60.5μm。
一种黑色抗菌防静电陶瓷台面板的制备方法,包括以下步骤:
(1)取制备坯体层的各原料,进行湿法球磨,得流速为60s,325目筛余为0.5wt%的坯体浆料;然后将坯体浆料进行过筛、喷雾造粒、陈腐后压制成型,得坯体;
(2)取制备釉层的各原料,进行湿法球磨,得流速为65s,325目筛余为0.4wt%的釉浆;然后将釉浆喷淋于步骤(1)制得的坯体表面,干燥、经1185℃烧制180分钟烧成后,磨边,得本实施例的黑色抗菌防静电陶瓷台面板样品。
对比例1
一种黑色抗菌防静电陶瓷台面板,由坯体层和釉层组成。其中:按重量份计,坯体层的制备原料为:铁矿渣40份、铁粉2份、球土37.5份,石英4份,钾长石16份。按重量份计,釉层的制备原料为:铁粉13份、钾长石42.5份,高岭土8.5份,石英27份,滑石7份。
对比例1与实施例1的区别在于,对比例1的坯体层和釉层中均不含锌粉,其他原料的化学组成和组分、纯度和粒径分布,以及黑色抗菌防静电陶瓷台面板的制备方法均与实施例1相同。
对比例2
一种黑色抗菌防静电陶瓷台面板,由坯体层和釉层组成。其中:按重量份计,坯体层的制备原料为:铁矿渣40份、锌粉0.5份、球土37.5份,石英4份,钾长石16份。按重量份计,釉层的制备原料为:锌粉2份、钾长石42.5份,高岭土8.5份,石英27份,滑石7份。
对比例2与实施例1的区别在于,对比例2的坯体层和釉层中均不含铁粉,其他原料的化学组成和组分、纯度和粒径分布,以及黑色抗菌防静电陶瓷台面板的制备方法均与实施例1相同。
对比例3
一种黑色抗菌防静电陶瓷台面板,由坯体层和釉层组成。其中:按重量份计,坯体层的制备原料为:铁矿渣40份、球土37.5份,石英4份,钾长石16份。按重量份计,釉层的制备原料为:钾长石42.5份,高岭土8.5份,石英27份,滑石7份。
对比例3与实施例1的区别在于,对比例3的坯体层和釉层中均不含铁粉和锌粉,其他原料的化学组成和组分、纯度和粒径分布,以及黑色抗菌防静电陶瓷台面板的制备方法均与实施例1相同。
对比例4
一种陶瓷台面板,由坯体层和釉层组成。其中:按重量份计,坯体层的制备原料为:钢渣40份、铁粉2份、锌粉0.5份、球土37.5份,石英4份,钾长石16份。按重量份计,釉层的制备原料为:铁粉13份、锌粉2份、钾长石42.5份,高岭土8.5份,石英27份,滑石7份。
钢渣的化学组成,按重量百分比计包括:10.5% SiO2、5.7% Al2O3、27.5% Fe2O3、1.2%TiO2、42.0% CaO、4.9% MgO、0.5% K2O、0.5% Na2O。
对比例4与实施例1的区别在于,对比例4的坯体层中用钢渣替代铁矿渣,其他原料的化学组成和组分、纯度和粒径分布,以及陶瓷台面板的制备方法均与实施例1相同。
对比例5
一种陶瓷台面板,由坯体层和釉层组成。其中:釉层的制备原料为:钾长石42.5份,高岭土8.5份,石英27份,滑石7份、钴黑色料15份。
对比例5与实施例1的区别在于,对比例5的釉层用相同份数钴黑色料代替铁粉及锌粉,其他原料的化学组成和组分、纯度和粒径分布,以及陶瓷台面板的制备方法均与实施例1相同。
实施例1和对比例5制得的陶瓷台面板的实物图如图1所示,由图1可以看出,对比例5与实施1具有相近的黑色着色效果,说明本发明采用低成本金属粉所制备的陶瓷台面板,其黑色效果可与昂贵的钴黑色料相媲美。
性能测试
按照GB/T 26539-2011《防静电陶瓷砖》标准、GB/T 3810-2016《陶瓷砖试验方法》、JC/T 897-2014《抗菌陶瓷制品抗菌性能》标准及色差仪分别对实施例1-4和对比例1-4所得陶瓷台面板的样品进行体积电阻、抗菌率、密度、吸水率、抗折强度及颜色的性能测试,其测试结果如表1所示。
表1:实施例1-4及对比例1-5的性能测试对比表
根据建材行业执行标准《防静电陶瓷砖》GB 26539-2011,体积电阻小于1000MΩ的陶瓷砖为防静电陶瓷砖,且体积电阻越小,防静电效果越佳。
根据实施例1-4的检测结果和有关数据分析可知,实施例1-4制得的陶瓷台面板样品的体积电阻为7.5-85.2MΩ,远远小于国家对于防静电陶瓷砖的标准规定体积电阻,具有优异的防静电功能。同时,实施例1-4制得的陶瓷台面板样品对于常见的大肠杆菌和金黄色葡萄球菌的抗菌率可达98.8-99.9%,具有良好的抗菌效果;且其颜色均呈现为黑色;此外,各样品的基本性能,如体积密度、吸水率和抗折强度均较佳。
对比例1-3相对于实施例1,由于坯体层和釉层中均不含铁粉和/或锌粉,其体积电阻均明显高于实施例1,证明铁粉和锌粉对于产品的体积电阻具有协同增效作用。同时,未添加锌粉的对比例1和对比例3的抗菌率明显低于实施例1,证明锌粉具有良好的抗菌效果。
对比例4采用其他金属冶炼矿渣钢渣替代实施例1的铁矿渣,结果表明对比例4的体积电阻明显大于实施例1,证明钢渣的防静电效果不及铁矿渣。究其原因,可能是由于钢渣中的铁含量(约20wt%)相对铁矿渣更低。
对比例5的釉层原料为普通陶瓷釉料,并采用钴黑色料代替铁粉及锌粉,结果表明,对比例5并不具有防静电和抗菌功能。
对于本发明所属技术领域的普通技术人员来说,在不脱离本发明构思的前提下还可以做出若干简单推演或替换,而不必经过创造性的劳动。因此,本领域技术人员根据本发明的揭示,对本发明做出的简单改进都应该在本发明的保护范围之内。上述实施例为本发明的优选实施例,凡与本发明类似的工艺及所作的等效变化,均应属于本发明的保护范畴。
Claims (10)
1.一种黑色抗菌防静电陶瓷台面板,其特征在于,包括坯体层和釉层,所述坯体层的制备原料包括金属冶炼矿渣、黑色导电金属粉和锌粉,所述釉层的制备原料包括黑色导电金属粉和锌粉;所述黑色导电金属粉包括铁粉、铜粉、钒粉、钨粉、钛粉中的至少一种。
2.根据权利要求1所述的黑色抗菌防静电陶瓷台面板,其特征在于,所述金属冶炼矿渣选自铁矿渣、钒钛矿渣、铜矿渣中的至少一种。
3.根据权利要求1所述的黑色抗菌防静电陶瓷台面板,其特征在于,所述坯体层的制备原料,按重量份计包括:金属冶炼矿渣1-40份、黑色导电金属粉2-10份和锌粉0.5-1.5份。
4.根据权利要求3所述的黑色抗菌防静电陶瓷台面板,其特征在于,所述坯体层的制备原料还包括基础坯料,所述基础坯料按重量份计包括:球土37.5-60份,石英4-7份,钾长石16-25份。
5.根据权利要求1所述的黑色抗菌防静电陶瓷台面板,其特征在于,所述釉层的制备原料,按重量份计包括:黑色导电金属粉7-13份和锌粉1-2份。
6.根据权利要求5所述的黑色抗菌防静电陶瓷台面板,其特征在于,所述釉层的制备原料还包括基础釉料,所述基础釉料按重量份计包括:钾长石40-45份,高岭土6-9份,石英25-30份,滑石7-11份。
7.根据权利要求1所述的黑色抗菌防静电陶瓷台面板,其特征在于,所述黑色导电金属粉的纯度高于99%,粒径分布D90为2.6-75μm;所述锌粉的纯度高于99%,粒径分布D90为2.6-75μm。
8.一种黑色抗菌防静电陶瓷台面板的制备方法,其特征在于,所述制备方法用于制备权利要求1至7任意一项所述的黑色抗菌防静电陶瓷台面板,包括以下步骤:
(1)取制备坯体层的各原料,经研磨、喷雾造粒、陈腐后压制成型,得坯体;
(2)取制备釉层的各原料,进行研磨,制得釉浆后,将其施于所述坯体表面,经干燥、烧成后,得所述黑色抗菌防静电陶瓷台面板。
9.根据权利要求8所述的黑色抗菌防静电陶瓷台面板的制备方法,其特征在于,步骤(2)中,所述釉浆的流速为15-70秒,所述釉浆的细度为325目筛余小于0.5wt%。
10.根据权利要求8所述的黑色抗菌防静电陶瓷台面板的制备方法,其特征在于,步骤(2)中,所述烧成的气氛为氧化气氛,所述烧成的温度为1150-1200℃,所述烧成的时间为60-180分钟。
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