CN109437924B - 一种抗菌陶瓷制品及其制备方法 - Google Patents

一种抗菌陶瓷制品及其制备方法 Download PDF

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CN109437924B
CN109437924B CN201811595979.6A CN201811595979A CN109437924B CN 109437924 B CN109437924 B CN 109437924B CN 201811595979 A CN201811595979 A CN 201811595979A CN 109437924 B CN109437924 B CN 109437924B
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李玲玲
吴斌
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Abstract

本发明公开了一种抗菌陶瓷制品及其制备方法,该抗菌陶瓷制品包括如下重量份的原料组分:煤矸石25~35份、海泥15~20份、贝壳粉10~15份、硼泥3~10份、陶瓷黏土10~20份、钾长石10~15份。通过以上方式,本发明抗菌陶瓷制品生产成本低廉,抗菌性能优异,且抗菌持久。

Description

一种抗菌陶瓷制品及其制备方法
技术领域
本发明涉及陶瓷技术领域,具体涉及一种抗菌陶瓷制品及其制备方法。
背景技术
陶瓷因其质地坚硬、细密、耐高温等特点,广泛应用于食器、装饰等领域,目前陶瓷的使用充斥着我们生活的方方面面。随着社会文明的进步,和环境的改变,人们已不满足于传统陶瓷的美观、耐用等一般功能,更希望具有杀菌、消毒、除臭等功能,尤其是日用陶瓷制品。
现有的抗菌陶瓷制品以银系抗菌陶瓷和钛系抗菌陶瓷最为常见。其中,银系抗菌陶瓷的杀菌效果好,但是需要银离子量大,生产成本高;并且在高温烧制时银离子会挥发,造成抗菌效果不佳;另外,现代科学研究发现,银离子与金离子可杀死细菌,也可以杀死人体细胞,该发现让人们担心长期使用银系抗菌产品是否对身体不利。而钛系抗菌陶瓷在高温烧制时抗菌效果差,并且需要光催化才能杀菌;抗菌膜与陶瓷容易脱落。
发明内容
为了解决上述技术问题,本发明提供一种抗菌陶瓷制品及其制备方法,该抗菌陶瓷制品生产成本低廉,抗菌性能优异,且抗菌持久。
本发明所采用的技术方案是:一种抗菌陶瓷制品,包括如下重量份的原料组分:煤矸石25~35份、海泥15~20份、硼泥10~15份、陶瓷黏土10~20份、贝壳粉3~10份、钾长石10~15份。
优选地,所述抗菌陶瓷制品包括如下重量份的原料组分:煤矸石18~32份、海泥17~19份、硼泥12~14份、陶瓷黏土14~17份、贝壳粉5~7份、钾长石12~14份。
优选地,所述抗菌陶瓷制品包括如下重量份的原料组分:煤矸石30份、海泥18、硼泥13份、陶瓷黏土15份、贝壳粉6份、钾长石12份。
优选地,所述煤矸石经过除杂处理,具体可采用选磁除杂处理。
优选地,所述抗菌陶瓷制品还包括陶瓷色料1~5份。
优选地,所述陶瓷色料选自钒黄色料、桔黄色料、钒锆蓝色料中的至少一种。
本发明还提供了一种上述抗菌陶瓷制品的制备方法,包括以下步骤:
S1、按如上重量份取各原料组分,混合粉碎后过筛,制得粉料;
S2、向所述粉料中加入蒸馏水,常温下超声分散,而后倒入球磨机中进行球磨,再过筛,制得浆料;
S3、将所述浆料进行喷雾造粒,干压成型制成坯体;或将所述浆料压滤练泥,挤压成型制成坯体;
S4、将所述坯体进行干燥处理,再将干燥后的坯体进行烧成处理。
优选地,步骤S1中,各原料组分混合粉碎后过100~200目筛。
优选地,步骤S2中,蒸馏水的加入量为粉料总重量的2~4倍;球磨过程转速为200~250r/min,球磨时间为4~8h;球磨后过300~400目筛网。加入蒸馏水后,进行超声分散,以使物料均匀分散,保证陶瓷制品的品质。
优选地,步骤S4中,所述烧成处理具体包括:以10~25℃/min的速率升温至700~800℃,烧结2~4h,然后以5~10℃/min的速率升温至1000~1100℃,烧结5~7h。通过控制温度分级升温烧结,可避免坯体升温过快,导致坯体开裂的现象。
本发明的有益技术效果是:本发明提供一种抗菌陶瓷制品及其制备方法,该抗菌陶瓷制品采用特定配比的煤矸石、海泥、硼泥、陶瓷黏土、贝壳粉和钾长石为原料。其中,煤矸石是在煤形成过程中与煤伴生、共生的岩石,是煤炭生产和加工过程中产生的固体废弃物,采用煤矸石为原料,可提高煤矸石资源化利用率,降低其对环境的污染,同时降低生产成本;另外,通过煤矸石可搭建形成多孔骨架,提高陶瓷制品的机械强度。海泥是一种深海中的矿物泥,内含多种人体所需生物成分和丰富的矿物质,其特有的孔状结构具有超凡的吸附能力,还具有杀菌功效。贝壳粉为多孔纤维状双螺旋体结构,可吸附分解甲醛、苯、氨气等有害气体;对大肠杆菌、沙门氏菌、黄色葡萄糖菌等细菌具有显著的抗菌和杀菌作用。贝壳粉和海泥的添加还可提升可塑性,减少陶瓷制品制作过程坯体的变形和裂变。硼泥作为一种工业废料,以硼泥为原料,一方面可实现废物利用,解决硼泥污染问题;另一方面,硼泥中含有大量硼元素,可作为抗菌因子,赋予陶瓷制品抗菌功能。另外,经试验研究发现,海泥、贝壳粉、硼泥三者搭配在抗菌杀菌功效上可起到协同增效作用,抗菌效果好,再搭配以上其他原料,由于海泥、贝壳粉特有的结构,与煤矸石搭配结合,可形成稳固的多孔骨架,大大提高陶瓷制品的机械强度,且抗菌因子可均匀稳固分布于陶瓷孔隙中,延长抗菌因子的释放,使陶瓷制品具有明显的长久抗菌、杀菌作用。另外,贝壳粉、海泥中均含有对人体有益成分,是健康的天然材料;并且两者均具有很好的吸附性,可除去室内空气中的有害气体及异味,如制成茶壶、茶杯等陶瓷日用品,还能起到净化水质的作用,符合现代人对健康养生的追求。
具体实施方式
下面结合具体实施例,进一步阐述本发明。应理解,这些实施例仅用于说明本发明而不用于限制本发明的范围。此外应理解,在阅读了本发明讲授的内容之后,本领域技术人员可以对本发明作各种改动或修改,这些等价形式同样落于本申请所附权利要求书所限定的范围。
实施例1
一种抗菌陶瓷制品,包括如下重量份的原料组分:煤矸石25份、海泥15份、贝壳粉10份、硼泥3份、陶瓷黏土10份、钾长石10份。
该抗菌陶瓷制品的制备方法,包括以下步骤:
S1、按如上重量份取各原料组分,混合粉碎后过100目筛,制得粉料;
S2、向粉料中加入料粉总重量2倍的蒸馏水,常温下超声分散,而后倒入球磨机中进行球磨,球磨速度为200r/min,时间为4h;再过300目筛,制得浆料;
S3、将浆料进行喷雾造粒,干压成型制成坯体;
S4、将坯体进行干燥处理,再将干燥后的坯体进行烧成处理;烧成过程具体先以25℃/min的速率升温至800℃,烧结2h,然后以10℃/min的速率升温至1100℃,烧结5h,制得抗菌陶瓷制品。
实施例2
一种抗菌陶瓷制品,包括如下重量份的原料组分:煤矸石18份、海泥19份、贝壳粉12份、硼泥5份、陶瓷黏土14份、钾长石12份、钒黄色料1份。
该抗菌陶瓷制品的制备方法,包括以下步骤:
S1、按如上重量份取各原料组分,混合粉碎后过170目筛,制得粉料;
S2、向粉料中加入料粉总重量3倍的蒸馏水,常温下超声分散,而后倒入球磨机中进行球磨,球磨速度为200r/min,时间为5h;再过325目筛,制得浆料;
S3、将浆料压滤练泥,挤压成型制成坯体;
S4、将坯体进行干燥处理,再将干燥后的坯体进行烧成处理;烧成过程具体先以10℃/min的速率升温至700℃,烧结4h,然后以5℃/min的速率升温至1000℃,烧结7h。
实施例3
一种抗菌陶瓷制品,包括如下重量份的原料组分:除杂后的煤矸石30份、海泥18份、贝壳粉13份、硼泥6份、陶瓷黏土15份、钾长石12份。
该抗菌陶瓷制品的制备方法,包括以下步骤:
S1、按如上重量份取各原料组分,混合粉碎后过150目筛,制得粉料;
S2、向粉料中加入料粉总重量3倍的蒸馏水,常温下超声分散,而后倒入球磨机中进行球磨,球磨速度为220r/min,时间为6h;再过325目筛,制得浆料;
S3、将浆料压滤练泥,挤压成型制成坯体;
S4、将坯体进行干燥处理,再将干燥后的坯体进行烧成处理;烧成过程具体先以15℃/min的速率升温至750℃,烧结3h,然后以8℃/min的速率升温至1050℃,烧结6h。
实施例4
一种抗菌陶瓷制品,包括如下重量份的原料组分:煤矸石32份、海泥17份、贝壳粉14份、硼泥7份、陶瓷黏土17份、钾长石14份、钒锆蓝色料3份。
该抗菌陶瓷制品的制备方法,包括以下步骤:
S1、按如上重量份取各原料组分,混合粉碎后过125目筛,制得粉料;
S2、向粉料中加入料粉总重量2倍的蒸馏水,常温下超声分散,而后倒入球磨机中进行球磨,球磨速度为250r/min,时间为7h;再过400目筛,制得浆料;
S3、将浆料进行喷雾造粒,干压成型制成坯体;
S4、将坯体进行干燥处理,再将干燥后的坯体进行烧成处理;烧成过程具体先以15℃/min的速率升温至750℃,烧结4h,然后以6℃/min的速率升温至1100℃,烧结6h。
实施例5
一种抗菌陶瓷制品,包括如下重量份的原料组分:除杂后的煤矸石35份、海泥22份、贝壳粉15份、硼泥10份、陶瓷黏土18份、钾长石15份、桔黄色料5份。
该抗菌陶瓷制品的制备方法,包括以下步骤:
S1、按如上重量份取各原料组分,混合粉碎后过180目筛,制得粉料;
S2、向粉料中加入料粉总重量4倍的蒸馏水,常温下超声分散,而后倒入球磨机中进行球磨,球磨速度为240r/min,时间为8h;再过400目筛,制得浆料;
S3、将浆料进行喷雾造粒,干压成型制成坯体;
S4、将坯体进行干燥处理,再将干燥后的坯体进行烧成处理;烧成过程具体先以20℃/min的速率升温至800℃,烧结3h,然后以10℃/min的速率升温至1050℃,烧结7h。
对比例1
本对比例与实施例1的不同在于:原料组分中不含硼泥,其它原料组分和制备方法与实施例1相同。
对比例2
本对比例与实施例1的不同在于:原料组分中不含海泥,其它原料组分和制备方法与实施例1相同。
对比例3
本对比例与实施例1的不同在于:原料组分中不含贝壳粉,其它原料组分和制备方法与实施例1相同。
对比例4
本对比例与实施例1的不同在于:原料组分中不含海泥和贝壳粉,其它原料组分和制备方法与实施例1相同。
对比例5
市面上购买销售量较好的银系抗菌陶瓷制品。
对以上实施例1-5和对比例1-5所制得抗菌陶瓷制品进行抗菌实验,具体如下:
采用大肠杆菌、沙门氏菌和黄色葡萄糖菌分别配成含菌量为10×106cfu/mL的细菌悬浮液后,将上述抗菌陶瓷制品用无菌水冲洗干净后,将上述配制好的细菌悬浮液滴加到清洗后的抗菌陶瓷制品上,保证菌液均匀的分散在陶瓷表面,并用培养皿盖住,防止蒸发,在静置15h后,用稀释平板涂布法计算活菌数;并检测抗菌陶瓷制品经30次光照后在杀菌率。所得结果如下表1所示:
表1抗菌率实验结果
Figure BDA0001920404850000071
由上表1可知,相比于市面上的银系抗菌陶瓷制品,以上实施例所制得的抗菌陶瓷制品抗菌效果更为优异,且抗菌性能持久,经光照30次后,实施例1-5中陶瓷的抗菌率基本不变,而对比例中陶瓷的抗菌率明显降低;另外,对比实施例1和对比例1-4可知,海泥、硼泥和贝壳粉搭配应用于陶瓷制备,可起到协同增效作用,显著提升陶瓷的抗菌性能。
尽管结合优选实施方案具体展示和介绍了本发明,但所属领域的技术人员应该明白,在不脱离所述权利要求书所限定的本发明的精神和范围内,在形式上和细节上可以对本发明做出各种变化,均为本发明的保护范围。

Claims (9)

1.一种抗菌陶瓷制品,其特征在于,包括如下重量份的原料组分:煤矸石18~32份、海泥17~19份、贝壳粉12~14份、硼泥5~7份、陶瓷黏土14~17份、钾长石12~14份。
2.根据权利要求1所述的抗菌陶瓷制品,其特征在于,包括如下重量份的原料组分:煤矸石30份、海泥18份、贝壳粉13份、硼泥6份、陶瓷黏土15份、钾长石12份。
3.根据权利要求1-2任一项所述的抗菌陶瓷制品,其特征在于,所述煤矸石经过除杂处理。
4.根据权利要求1-2任一项所述的抗菌陶瓷制品,其特征在于,还包括陶瓷色料1~5份。
5.根据权利要求4所述的抗菌陶瓷制品,其特征在于,所述陶瓷色料选自钒黄色料、桔黄色料、钒锆蓝色料中的至少一种。
6.权利要求1-5任一项所述的抗菌陶瓷制品的制备方法,其特征在于,包括以下步骤:
S1、按如上重量份取各原料组分,混合粉碎后过筛,制得粉料;
S2、向所述粉料中加入蒸馏水,常温下超声分散,而后倒入球磨机中进行球磨,再过筛,制得浆料;
S3、将所述浆料进行喷雾造粒,干压成型制成坯体;或将所述浆料压滤练泥,挤压成型制成坯体;
S4、将所述坯体进行干燥处理,再将干燥后的坯体进行烧成处理。
7.根据权利要求6所述的抗菌陶瓷制品的制备方法,其特征在于,步骤S1中,各原料组分混合粉碎后过100~200目筛。
8.根据权利要求6所述的抗菌陶瓷制品的制备方法,其特征在于,步骤S2中,蒸馏水的加入量为粉料总重量的2~4倍;球磨过程转速为200~250r/min,球磨时间为4~8h;球磨后过300~400目筛网。
9.根据权利要求6所述的抗菌陶瓷制品的制备方法,其特征在于,步骤S4中,所述烧成处理具体包括:以10~25℃/min的速率升温至700~800℃,烧结2~4h,然后以5~10℃/min的速率升温至1000~1100℃,烧结5~7h。
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