CN111792947A - 一种具有荧光装饰效果的发泡陶瓷及其制备方法 - Google Patents
一种具有荧光装饰效果的发泡陶瓷及其制备方法 Download PDFInfo
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Abstract
本发明公开了一种具有荧光装饰效果的发泡陶瓷,其包括发泡陶瓷层和自下而上依次设置在所述发泡层上的荧光层和透明釉层,所述发泡陶瓷层由发泡陶瓷基材层和设置在所述发泡陶瓷基材层表面的陶瓷连接层组成,所述透明釉层由低温透明熔块组成,所述荧光层由低温透明熔块和荧光粉的混合物组成,所述发泡陶瓷层经高温烧制成型,所述荧光层和透明釉层由低温二次烧制成型。本发明通过发泡陶瓷各层结构的调整和特殊设置,利用陶瓷连接层、荧光层和透明釉层的复合结构,实现了将荧光粉与发泡陶瓷基材层紧密结合的目的,从而赋予了该发泡陶瓷发色良好且高效持久的荧光装饰效果。本发明的制备方法工艺简单、可控性强、稳定性高,有利于大规模工业化生产。
Description
技术领域
本发明涉及发泡陶瓷领域,特别涉及一种具有荧光装饰效果的发泡陶瓷及其制备方法。
背景技术
发泡陶瓷具有质轻、防火、隔热、隔声等优点,其易加工、成本低、施工简单等特点广泛应用于建筑节能、工业保温及防水工程,发泡陶瓷作为节能降耗型绿色材料逐渐受到重视。
随着装配式建筑在国内逐渐兴起,其所用材料大多为硅钙板等板材,而很少采用陶瓷材料,建陶行业可能会受到较大冲击,而轻质材料发泡陶瓷可以作为墙体材料很好应用于装配式建筑。但是目前有一个比较难解决的问题是发泡陶瓷装饰效果单一,与传统建筑陶瓷丰富的装饰效果相比有非常大的差距,目前发泡陶瓷直接作为装饰材料主要有涂料涂覆装饰、瓷砖贴合装饰及发泡陶瓷直接切割形成一定图案,但是装饰效果并不理想。
发明内容
本发明的目的在于针对上述现有技术的不足,提供一种具有荧光装饰效果的发泡陶瓷及其制备方法。
本发明所采取的技术方案是:一种具有荧光装饰效果的发泡陶瓷,其包括发泡陶瓷层和自下而上依次设置在所述发泡层上的荧光层和透明釉层,所述发泡陶瓷层由发泡陶瓷基材层和设置在所述发泡陶瓷基材层表面的陶瓷连接层组成,所述透明釉层由低温透明熔块组成,所述荧光层由低温透明熔块和荧光粉的混合物组成,所述发泡陶瓷层经高温烧制成型,所述荧光层和透明釉层由低温二次烧制成型。
具体地,本发明通过在发泡陶瓷层中增设陶瓷连接层以大大增强所述荧光层与发泡陶瓷基材层的结合力,同时在荧光层上增设透明釉层以实现对荧光粉的有效包覆和发色保护,使得该发泡陶瓷具有高效持久的荧光装饰效果。进一步地,本发明通过低温二次烧制成型将荧光层和透明釉层覆盖于所述发泡陶瓷层上,不仅避免了将其与发泡陶瓷层一次烧成导致的荧光粉高温失效的弊端,同时提高了荧光层和透明层与发泡陶瓷层之间的结合力。另外,本发明中荧光层和透明釉层中均以低温透明熔块作为主要成分,大大提高了荧光层和透明釉层之间的结合力。
作为上述方案的进一步改进,所述陶瓷连接层中的陶瓷连接粉料按化学成分重量百分比计包括55~58%的SiO2、16~19%的Al2O3、10~12%的CaO、5~8%的MgO、2~3%的K2O、3~5%的Na2O、1~2%的LiO2。具体地,陶瓷连接层烧制后呈白色,可有效反射透过透明熔块层光,达到增强荧光粉层的余辉强度作用。
作为上述方案的进一步改进,所述低温透明熔块按化学成分重量百分比计包括42~45%的SiO2、9~13%的Al2O3、6~9%的CaO、0~1%的MgO、1~3%的K2O、1~3%的Na2O及1~2%的LiO2及25~30%的B2O3。
作为上述方案的进一步改进,所述发泡陶瓷基材层的发泡陶瓷粉料按原料组分重量份计包括50~70份的抛光砖废渣、5~10份的粘土、5~15份的钠长石、5~10份的滑石、5~15份的石英砂、0.2~1份的发泡剂。具体地,制备出的发泡陶瓷内部气孔均匀可控,抗压强度在4MPa以上。
作为上述方案的进一步改进,所述发泡剂为1000~1500目的碳化硅。具体地,使用1000~1500目碳化硅使得发泡陶瓷内部气孔在合适的烧成温度下均匀、可控。
作为上述方案的进一步改进,所述荧光层中的低温透明熔块和荧光粉的按原料重量份计的混合比例为(3~5):3。具体地,在此范围配比荧光装饰层初始余辉强度≥3000mcd/m2,且在30min后依然保持600mcd/m2以上的余辉强度。
作为上述方案的进一步改进,所述高温烧制成型的烧成温度为1100~1150℃。具体地,通过调整烧成温度可控制发泡陶瓷层的体积密度在400~650Kg/m3之间。
作为上述方案的进一步改进,所述低温二次烧制成型的烧成温度为700~800℃。具体地,在此烧成温度范围荧光粉可与低温透明熔块融合在一起,低温透明熔块与中间连接层良好结合在一起。
作为上述方案的进一步改进,所述荧光粉为碱土铝酸盐类荧光粉。具体地,所述碱土铝酸盐类荧光粉包括黄绿色的荧光粉SrAl2O4:Eu,Dy、蓝绿色的荧光粉Sr4Al14O25:Eu,Dy、蓝紫色的荧光粉CaAl2O4:Eu,Nb中的至少一种,其具有余辉强度高、余辉时间长的特点。
本发明的发泡陶瓷,其各层结构的厚度根据实际商品需求而有所不同,如可将所述的发泡陶瓷基材层设置为30mm、60mm、80mm、100mm、120mm的厚度规格,所述陶瓷连接层和透明釉层的厚度均为2~4mm,所述荧光层的厚度为3~5mm。
本发明所采取的另一个技术方案是:一种如上所述的具有荧光装饰效果的发泡陶瓷的制备方法,其包括如下工艺步骤:
1)先将发泡陶瓷基材层的各原料混合球磨,经喷雾干燥后铺设于耐火磨具中,再将陶瓷连接层的各原料混合并布施在发泡陶瓷粉料上,后经高温烧制成型,得发泡陶瓷层;
2)在发泡陶瓷层表面上,先布施荧光层的原料,再布施透明釉层的原料,后经低温二次烧制成型,得成品。
具体地,本发明的制备工艺采用二次烧成,先高温一次烧制形成发泡陶瓷层,再低温二次烧制形成荧光层和透明釉层,通过烧成机制的调控,克服了各层结构结合力差的难题,同时有效保留了荧光粉余晖强度高、余晖时间长的特性,大大提高了荧光层的发光装饰效果。进一步地,本发明优选的烧成机制包括,步骤1)所述高温烧制成型的烧成制度为:从室温升温至400℃采用5~10℃/min的升温速率,从400℃升温至900℃采用3~5℃/min的升温速率,从900℃升温至最高烧成温度采用2~5℃/min升温速率,并保温40~80min;步骤2)所述低温二次烧制成型的烧成制度为:从室温升温至400℃采用3~5℃/min的升温速率,400℃升温至最高烧成温度采用2~4℃/min的升温速率,并保温30~50min。
本发明的有益效果是:
本发明通过发泡陶瓷各层结构的调整和特殊设置,利用陶瓷连接层、荧光层和透明釉层的复合结构,实现了将荧光粉与发泡陶瓷基材层紧密结合的目的,从而赋予了该发泡陶瓷发色良好且高效持久的荧光装饰效果。
本发明所制备得到的具有荧光装饰效果的发泡陶瓷,其经余晖亮度测试,初始余辉亮度≥3000mcd/m2,10min后余辉亮度≥1200mcd/m2,30min后余辉亮度≥600mcd/m2,同时本发明的制备方法工艺简单、可控性强、稳定性高,有利于大规模工业化生产。
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
一种具有荧光装饰效果的发泡陶瓷,其包括发泡陶瓷层和自下而上依次设置在所述发泡陶瓷层上的荧光层和透明釉层,所述发泡陶瓷层由发泡陶瓷基材层和设置在所述发泡陶瓷基材层表面的陶瓷连接层组成,所述透明釉层由低温透明熔块组成,所述荧光层由低温透明熔块和碱土铝酸盐类荧光粉按原料重量份计混合比例为3:3混合而成的混合物。
其中,所述陶瓷连接层中的陶瓷连接粉料按化学成分重量百分比计包括55%的SiO2、19%的Al2O3、10%的CaO、8%的MgO、2%的K2O、5%的Na2O、1%的LiO2;所述低温透明熔块按化学成分重量百分比计包括42%的SiO2、13%的Al2O3、9%的CaO、1%的MgO、2%的K2O、2%的Na2O及1%的LiO2及30%的B2O3;所述发泡陶瓷基材层的发泡陶瓷粉料按原料组分重量份计包括70份的抛光砖废渣、5份的粘土、13份的钠长石、5份的滑石、6份的石英砂、1份的1000目的碳化硅。
制备方法:
1)先将发泡陶瓷基材层的各原料混合球磨,经喷雾干燥后铺设于耐火磨具中,控制发泡陶瓷基材层的厚度为60mm,再将陶瓷连接层的各原料混合并布施在发泡陶瓷粉料上,控制陶瓷连接层的厚度为4mm,后经高温烧制成型,控制烧成制度:从室温升温至400℃采用5℃/min的升温速率,从400℃升温至900℃采用5℃/min的升温速率,从900℃升温至最高烧成温度1100℃采用5℃/min升温速率,并保温40min,得发泡陶瓷层;
2)在发泡陶瓷层表面上,先布施5mm的荧光层的原料,再布施2mm的透明釉层的原料,后经低温二次烧制成型,控制烧成制度为:从室温升温至400℃采用5℃/min的升温速率,400℃升温至最高烧成温度700℃采用4℃/min的升温速率,并保温30min,得实施例1成品。
实施例2
一种具有荧光装饰效果的发泡陶瓷,其包括发泡陶瓷层和自下而上依次设置在所述发泡陶瓷层上的荧光层和透明釉层,所述发泡陶瓷层由发泡陶瓷基材层和设置在所述发泡陶瓷基材层表面的陶瓷连接层组成,所述透明釉层由低温透明熔块组成,所述荧光层由低温透明熔块和碱土铝酸盐类荧光粉按原料重量份计混合比例为5:3混合而成的混合物。
其中,所述陶瓷连接层中的陶瓷连接粉料按化学成分重量百分比计包括58%的SiO2、16%的Al2O3、12%的CaO、5%的MgO、3%的K2O、4%的Na2O、2%的LiO2;所述低温透明熔块按化学成分重量百分比计包括42%的SiO2、13%的Al2O3、98%的CaO、1%的MgO、2%的K2O、2%的Na2O及1%的LiO2及30%的B2O3;所述发泡陶瓷基材层的发泡陶瓷粉料按原料组分重量份计包括59.8份的抛光砖废渣、10份的粘土、5份的钠长石、10份的滑石、15份的石英砂、0.2份的1000~1500目的碳化硅。
制备方法:
1)先将发泡陶瓷基材层的各原料混合球磨,经喷雾干燥后铺设于耐火磨具中,控制发泡陶瓷基材层的厚度为100mm,再将陶瓷连接层的各原料混合并布施在发泡陶瓷粉料上,控制陶瓷连接层的厚度为2mm,后经高温烧制成型,控制烧成制度:从室温升温至400℃采用10℃/min的升温速率,从400℃升温至900℃采用3℃/min的升温速率,从900℃升温至最高烧成温度1150℃采用2℃/min升温速率,并保温80min,得发泡陶瓷层;
2)在发泡陶瓷层表面上,先布施3mm的荧光层的原料,再布施4mm的透明釉层的原料,后经低温二次烧制成型,控制烧成制度为:从室温升温至400℃采用3℃/min的升温速率,400℃升温至最高烧成温度800℃采用2℃/min的升温速率,并保温50min,得实施例2成品。
实施例3
一种具有荧光装饰效果的发泡陶瓷,其包括发泡陶瓷层和自下而上依次设置在所述发泡陶瓷层上的荧光层和透明釉层,所述发泡陶瓷层由发泡陶瓷基材层和设置在所述发泡陶瓷基材层表面的陶瓷连接层组成,所述透明釉层由低温透明熔块组成,所述荧光层由低温透明熔块和碱土铝酸盐类荧光粉按原料重量份计混合比例为4:3混合而成的混合物。
其中,所述陶瓷连接层中的陶瓷连接粉料按化学成分重量百分比计包括57%的SiO2、18%的Al2O3、11%的CaO、8%的MgO、2%的K2O、3%的Na2O、1%的LiO2;所述低温透明熔块按化学成分重量百分比计包括44%的SiO2、12%的Al2O3、8%的CaO、1%的MgO、2%的K2O、2%的Na2O及1%的LiO2及30%的B2O3;所述发泡陶瓷基材层的发泡陶瓷粉料按原料组分重量份计包括60份的抛光砖废渣、8份的粘土、10份的钠长石、8份的滑石、13.5份的石英砂、0.5份的1200目的碳化硅。
制备方法:
1)先将发泡陶瓷基材层的各原料混合球磨,经喷雾干燥后铺设于耐火磨具中,控制发泡陶瓷基材层的厚度为30mm,再将陶瓷连接层的各原料混合并布施在发泡陶瓷粉料上,控制陶瓷连接层的厚度为3mm,后经高温烧制成型,控制烧成制度:从室温升温至400℃采用8℃/min的升温速率,从400℃升温至900℃采用4℃/min的升温速率,从900℃升温至最高烧成温度1125℃采用3℃/min升温速率,并保温50min,得发泡陶瓷层;
2)在发泡陶瓷层表面上,先布施4mm的荧光层的原料,再布施3mm的透明釉层的原料,后经低温二次烧制成型,控制烧成制度为:从室温升温至400℃采用4℃/min的升温速率,400℃升温至最高烧成温度750℃采用3℃/min的升温速率,并保温40min,得实施例3成品。
实施例4
一种具有荧光装饰效果的发泡陶瓷,其包括发泡陶瓷层和自下而上依次设置在所述发泡陶瓷层上的荧光层和透明釉层,所述发泡陶瓷层由发泡陶瓷基材层和设置在所述发泡陶瓷基材层表面的陶瓷连接层组成,所述透明釉层由低温透明熔块组成,所述荧光层由低温透明熔块和碱土铝酸盐类荧光粉按原料重量份计混合比例为5:3混合而成的混合物。
其中,所述陶瓷连接层中的陶瓷连接粉料按化学成分重量百分比计包括56%的SiO2、17%的Al2O3、11%的CaO、6%的MgO、3%的K2O、5%的Na2O、2%的LiO2;所述低温透明熔块按化学成分重量百分比计包括44%的SiO2、12%的Al2O3、8%的CaO、1%的MgO、2%的K2O、2%的Na2O及1%的LiO2及30%的B2O3;所述发泡陶瓷基材层的发泡陶瓷粉料按原料组分重量份计包括65份的抛光砖废渣、8份的粘土、8份的钠长石、8份的滑石、10份的石英砂、1份的1500目的碳化硅。
制备方法:
1)先将发泡陶瓷基材层的各原料混合球磨,经喷雾干燥后铺设于耐火磨具中,控制发泡陶瓷基材层的厚度为80mm,再将陶瓷连接层的各原料混合并布施在发泡陶瓷粉料上,控制陶瓷连接层的厚度为4mm,后经高温烧制成型,控制烧成制度:从室温升温至400℃采用5℃/min的升温速率,从400℃升温至900℃采用5℃/min的升温速率,从900℃升温至最高烧成温度1100℃采用5℃/min升温速率,并保温40min,得发泡陶瓷层;
2)在发泡陶瓷层表面上,先布施5mm的荧光层的原料,再布施2mm的透明釉层的原料,后经低温二次烧制成型,控制烧成制度为:从室温升温至400℃采用5℃/min的升温速率,400℃升温至最高烧成温度700℃采用4℃/min的升温速率,并保温30min,得实施例4成品。
实施例5
一种具有荧光装饰效果的发泡陶瓷,其包括发泡陶瓷层和自下而上依次设置在所述发泡陶瓷层上的荧光层和透明釉层,所述发泡陶瓷层由发泡陶瓷基材层和设置在所述发泡陶瓷基材层表面的陶瓷连接层组成,所述透明釉层由低温透明熔块组成,所述荧光层由低温透明熔块和碱土铝酸盐类荧光粉按原料重量份计混合比例为4.5:3混合而成的混合物。
其中,所述陶瓷连接层中的陶瓷连接粉料按化学成分重量百分比计包括55%的SiO2、16%的Al2O3、12%的CaO、7%的MgO、3%的K2O、5%的Na2O、2%的LiO2;所述低温透明熔块按化学成分重量百分比计包括45%的SiO2、11%的Al2O3、9%的CaO、1%的MgO、3%的K2O、2%的Na2O及1%的LiO2及28%的B2O3;所述发泡陶瓷基材层的发泡陶瓷粉料按原料组分重量份计包括55份的抛光砖废渣、6.5份的粘土、15份的钠长石、8份的滑石、15份的石英砂、0.5份的1200目的碳化硅。
制备方法:
1)先将发泡陶瓷基材层的各原料混合球磨,经喷雾干燥后铺设于耐火磨具中,控制发泡陶瓷基材层的厚度为120mm,再将陶瓷连接层的各原料混合并布施在发泡陶瓷粉料上,控制陶瓷连接层的厚度为2mm,后经高温烧制成型,控制烧成制度:从室温升温至400℃采用5℃/min的升温速率,从400℃升温至900℃采用5℃/min的升温速率,从900℃升温至最高烧成温度1150℃采用5℃/min升温速率,并保温65min,得发泡陶瓷层;
2)在发泡陶瓷层表面上,先布施5mm的荧光层的原料,再布施2mm的透明釉层的原料,后经低温二次烧制成型,控制烧成制度为:从室温升温至400℃采用5℃/min的升温速率,400℃升温至最高烧成温度750℃采用3℃/min的升温速率,并保温45min,得实施例6成品。
实施例6
一种具有荧光装饰效果的发泡陶瓷,其包括发泡陶瓷层和自下而上依次设置在所述发泡陶瓷层上的荧光层和透明釉层,所述发泡陶瓷层由发泡陶瓷基材层和设置在所述发泡陶瓷基材层表面的陶瓷连接层组成,所述透明釉层由低温透明熔块组成,所述荧光层由低温透明熔块和碱土铝酸盐类荧光粉按原料重量份计混合比例为3:3混合而成的混合物。
其中,所述陶瓷连接层中的陶瓷连接粉料按化学成分重量百分比计包括58%的SiO2、18%的Al2O3、10%的CaO、8%的MgO、2%的K2O、3%的Na2O、1%的LiO2;所述低温透明熔块按化学成分重量百分比计包括45%的SiO2、11%的Al2O3、9%的CaO、1%的MgO、3%的K2O、2%的Na2O及1%的LiO2及28%的B2O3;所述发泡陶瓷基材层的发泡陶瓷粉料按原料组分重量份计包括60份的抛光砖废渣、10份的粘土、13份的钠长石、10份的滑石、6份的石英砂、1份的1500目的碳化硅。
制备方法:
1)先将发泡陶瓷基材层的各原料混合球磨,经喷雾干燥后铺设于耐火磨具中,控制发泡陶瓷基材层的厚度为60mm,再将陶瓷连接层的各原料混合并布施在发泡陶瓷粉料上,控制陶瓷连接层的厚度为3mm,后经高温烧制成型,控制烧成制度:从室温升温至400℃采用8℃/min的升温速率,从400℃升温至900℃采用4℃/min的升温速率,从900℃升温至最高烧成温度1130℃采用4℃/min升温速率,并保温60min,得发泡陶瓷层;
2)在发泡陶瓷层表面上,先布施4mm的荧光层的原料,再布施4mm的透明釉层的原料,后经低温二次烧制成型,控制烧成制度为:从室温升温至400℃采用5℃/min的升温速率,400℃升温至最高烧成温度700℃采用3℃/min的升温速率,并保温35min,得实施例7成品。
对比例1
一种发泡陶瓷,其包括发泡陶瓷基材层和自下而上依次设置在所述发泡陶瓷基材层上的荧光层和透明釉层,所述透明釉层由低温透明熔块组成,所述荧光层由低温透明熔块和碱土铝酸盐类荧光粉按原料重量份计混合比例为3:3混合而成的混合物。
其中,所述低温透明熔块按化学成分重量百分比计包括所述低温透明熔块按化学成分重量百分比计包括45%的SiO2、11%的Al2O3、9%的CaO、1%的MgO、3%的K2O、2%的Na2O及1%的LiO2及28%的B2O3;所述发泡陶瓷基材层的发泡陶瓷粉料按原料组分重量份计包括60份的抛光砖废渣、10份的粘土、13份的钠长石、10份的滑石、6份的石英砂、1份的1500目的碳化硅。
制备方法:
1)先将发泡陶瓷基材层的各原料混合球磨,经喷雾干燥后铺设于耐火磨具中,控制发泡陶瓷基材层的厚度为60mm,后经高温烧制成型,控制烧成制度:从室温升温至400℃采用8℃/min的升温速率,从400℃升温至900℃采用4℃/min的升温速率,从900℃升温至最高烧成温度1130℃采用4℃/min升温速率,并保温60min,得发泡陶瓷基材层;
2)在发泡陶瓷基材层表面上,先布施4mm的荧光层的原料,再布施4mm的透明釉层的原料,后经低温二次烧制成型,控制烧成制度为:从室温升温至400℃采用5℃/min的升温速率,400℃升温至最高烧成温度700℃采用3℃/min的升温速率,并保温35min,得对比例1成品。
本对比例中烧制的成品在荧光层局部区域出现开裂且结合差的问题,并且荧光发光效果明显较差。
对比例2
一种发泡陶瓷,其包括发泡陶瓷层和设置在所述发泡陶瓷层上的荧光层,所述发泡陶瓷层由发泡陶瓷基材层和设置在所述发泡陶瓷基材层表面的陶瓷连接层组成,所述荧光层由低温透明熔块和碱土铝酸盐类荧光粉按原料重量份计混合比例为3:3混合而成的混合物。
其中,所述陶瓷连接层中的陶瓷连接粉料按化学成分重量百分比计包括58%的SiO2、18%的Al2O3、10%的CaO、8%的MgO、2%的K2O、3%的Na2O、1%的LiO2;所述低温透明熔块按化学成分重量百分比计包括45%的SiO2、11%的Al2O3、9%的CaO、1%的MgO、3%的K2O、2%的Na2O及1%的LiO2及28%的B2O3;所述发泡陶瓷基材层的发泡陶瓷粉料按原料组分重量份计包括60份的抛光砖废渣、10份的粘土、13份的钠长石、10份的滑石、6份的石英砂、1份的1500目的碳化硅。
制备方法:
1)先将发泡陶瓷基材层的各原料混合球磨,经喷雾干燥后铺设于耐火磨具中,控制发泡陶瓷基材层的厚度为60mm,再将陶瓷连接层的各原料混合并布施在发泡陶瓷粉料上,控制陶瓷连接层的厚度为3mm,后经高温烧制成型,控制烧成制度:从室温升温至400℃采用8℃/min的升温速率,从400℃升温至900℃采用4℃/min的升温速率,从900℃升温至最高烧成温度1130℃采用4℃/min升温速率,并保温60min,得发泡陶瓷层;
2)在发泡陶瓷层表面上,布施5mm的荧光层的原料,后经低温二次烧制成型,控制烧成制度为:从室温升温至400℃采用5℃/min的升温速率,400℃升温至最高烧成温度700℃采用3℃/min的升温速率,并保温35min,得对比例2成品。
本对比例中烧制的成品荧光层表面粗糙不平,且很容易吸污不容易清洗。
实施例7:性能测试
取实施例1~6成品和对比例1~2成品分别进行相关性能测试,其中余辉亮度测试GB/T24981.2中的测试方法进行测试,测试结果如下表1所示。
表1相关性能测试结果
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)
1.一种具有荧光装饰效果的发泡陶瓷,其特征在于:包括发泡陶瓷层和自下而上依次设置在所述发泡层上的荧光层和透明釉层,所述发泡陶瓷层由发泡陶瓷基材层和设置在所述发泡陶瓷基材层表面的陶瓷连接层组成,所述透明釉层由低温透明熔块组成,所述荧光层由低温透明熔块和荧光粉的混合物组成,所述发泡陶瓷层经高温烧制成型,所述荧光层和透明釉层由低温二次烧制成型。
2.根据权利要求1所述的一种具有荧光装饰效果的发泡陶瓷,其特征在于:所述陶瓷连接层中的陶瓷连接粉料按化学成分重量百分比计包括55~58%的SiO2、16~19%的Al2O3、10~12%的CaO、5~8%的MgO、2~3%的K2O、3~5%的Na2O、1~2%的LiO2。
3.根据权利要求1所述的一种具有荧光装饰效果的发泡陶瓷,其特征在于:所述低温透明熔块按化学成分重量百分比计包括42~45%的SiO2、9~13%的Al2O3、6~9%的CaO、0~1%的MgO、1~3%的K2O、1~3%的Na2O及1~2%的LiO2及25~30%的B2O3。
4.根据权利要求1所述的一种具有荧光装饰效果的发泡陶瓷,其特征在于:所述发泡陶瓷基材层的发泡陶瓷粉料按原料组分重量份计包括50~70份的抛光砖废渣、5~10份的粘土、5~15份的钠长石、5~10份的滑石、5~15份的石英砂、0.2~1份的发泡剂。
5.根据权利要求4所述的一种具有荧光装饰效果的发泡陶瓷,其特征在于:所述发泡剂为1000~1500目的碳化硅。
6.根据权利要求1所述的一种具有荧光装饰效果的发泡陶瓷,其特征在于:所述荧光层中的低温透明熔块和荧光粉的按原料重量份计的混合比例为(3~5):3。
7.根据权利要求1所述的一种具有荧光装饰效果的发泡陶瓷,其特征在于:所述高温烧制成型的烧成温度为1100~1150℃。
8.根据权利要求1所述的一种具有荧光装饰效果的发泡陶瓷,其特征在于:所述低温二次烧制成型的烧成温度为700~800℃。
9.根据权利要求1所述的一种具有荧光装饰效果的发泡陶瓷,其特征在于:所述荧光粉为碱土铝酸盐类荧光粉。
10.一种如权利要求1~9任一项所述的具有荧光装饰效果的发泡陶瓷的制备方法,其特征在于包括如下工艺步骤:
1)先将发泡陶瓷基材层的各原料混合球磨,经喷雾干燥后铺设于耐火磨具中,再将陶瓷连接层的各原料混合并布施在发泡陶瓷粉料上,后经高温烧制成型,得发泡陶瓷层;
2)在发泡陶瓷层表面上,先布施荧光层的原料,再布施透明釉层的原料,后经低温二次烧制成型,得成品。
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CN110950682A (zh) * | 2019-11-27 | 2020-04-03 | 佛山欧神诺陶瓷有限公司 | 一种高余辉强度的发光陶瓷及其制备方法 |
CN110981413A (zh) * | 2019-12-23 | 2020-04-10 | 佛山欧神诺陶瓷有限公司 | 高性能发泡陶瓷及其制备方法与应用 |
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CN113545575A (zh) * | 2021-08-13 | 2021-10-26 | 广东顺德周大福珠宝制造有限公司 | 首饰及其表面处理方法 |
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