CN107352987A - 一种耐污型陶瓷薄板的制备方法 - Google Patents

一种耐污型陶瓷薄板的制备方法 Download PDF

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CN107352987A
CN107352987A CN201710424397.0A CN201710424397A CN107352987A CN 107352987 A CN107352987 A CN 107352987A CN 201710424397 A CN201710424397 A CN 201710424397A CN 107352987 A CN107352987 A CN 107352987A
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恽玉新
王艳芹
孙冬
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Changzhou Xixia Dongfang Tools Co Ltd
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Abstract

本发明公开了一种耐污型陶瓷薄板的制备方法,属于建筑装饰材料制备技术领域。本发明首先将氧化铝、二氧化硅等球磨过筛后与聚乙烯醇溶液、碳酸钠混磨过筛,随后经浇注固化后保温煅烧制得陶瓷薄板基体,再以萤石矿粉末与硅酸钠溶液为原料制备陶瓷包覆分散液,将包覆分散液喷涂于陶瓷薄板基体表面后静置固化处理,再经管式气氛炉保温烧结后冷却,即可得耐污型陶瓷薄板,本发明制备工艺成品率较高,制得的陶瓷薄板具有强度大、韧性好、吸水率高、耐污能力强的特点,有效延长了陶瓷薄板的使用寿命,具有较好的应用前景。

Description

一种耐污型陶瓷薄板的制备方法
技术领域
本发明公开了一种耐污型陶瓷薄板的制备方法,属于建筑装饰材料制备技术领域。
背景技术
在现代建筑装修行业中,随着住宅产业化和人民生活水平的提高,高品质、多功能的绿色建材产品的市场占有率将逐渐扩大,产品发展趋向多元化、个性化、时尚化、环保健康化。为适应当今社会人们的要求,各种新型装修材料应运而生,各种产品从早期华丽装饰效果到今天越来越趋于自然、高雅、具个性元素。
陶瓷制品具有品种繁多、花色丰富、装饰效果好、易保养的特点,且产品花色自然逼真,因此深受消费者青睐。其中,大规格瓷板砖因具有砖体厚度薄、平放变形小、经济、美观、能很好的贴附在抛光线操作平台上的特性,而被广泛应用于墙、柱面上,同时在现在的建筑装饰材料技术领域的应用也越来越广,越来越受到消费者的青睐。
陶瓷薄板是由高岭土黏土和其它无机非金属材料,经成形、1200℃高温煅烧等生产工艺制成板状的陶瓷制品。目前在市场上陶瓷薄板韧性和强度较差,易破碎,导致其成品率低,且现有陶瓷薄板的吸水率高、耐污性能较差,导致其使用受限。因此,如何克服现有技术不足,开发一种成品率高、吸水率低、耐污性能好且机械性能较好的陶瓷薄板材料。
发明内容
本发明主要解决的技术问题:针对传统的陶瓷薄板韧性和强度较差,易破碎,导致其成品率低,且陶瓷薄板的耐污性能较差,导致其使用受限的问题,提供了一种耐污型陶瓷薄板的制备方法。
为了解决上述技术问题,本发明所采用的技术方案是:
(1)取10~15g氧化钙、45~50g氧化铝、121~125g二氧化硅、30~35g氧化铁、2.5~3.0g氧化钛、10~15g氧化钠和8~12g氧化钾混合球磨过200目筛,得过筛后混合粉末;
(2)按重量份数计,称量45~50份过筛后混合粉末,25~30份质量分数5%聚乙烯醇溶液和2~3份碳酸钠搅拌混合,球磨后过250目筛,得球磨过筛浆料,经干燥得陶瓷浆料,将陶瓷浆料浇注至模具中,静置固化得预干坯料,经煅烧、冷却,制备得陶瓷薄板基体;
(3)称取45~50g200目萤石矿粉末与250~300g质量分数10%硅酸钠溶液混合,加热并调节pH为3.5~4.0,随后静置陈化,滴加质量分数15%氨水调节pH至8.0,静置陈化并过滤得滤液,按重量份数计,分别取45~50份滤液、10~15份硫酸钠、5~8份硫酸铝、5~6份聚乙烯醇和10~15份质量分数20%乙酸溶液搅拌混合并超声分散得包覆分散液;
(4)将包覆分散液用喷覆至陶瓷薄板基体表面,静置固化得干燥包覆陶瓷薄板将干燥包覆陶瓷薄板置管式气氛炉中,通氮气排除空气后,烧结后静置冷却至室温,即可制备得一种耐污型陶瓷薄板。
步骤(1)所述的陶瓷浆料浓度为55~65波美度。
步骤(2)所述的煅烧温度为1750~1800℃
步骤(4)所述的包覆分散液喷覆量为95~100g/m2
本发明的有益效果是:
(1)本发明通过将萤石矿粉与硅酸钠溶液为原料,制备含纳米冰晶石的陶瓷包覆液,并将陶瓷包覆液包覆至陶瓷薄板表面,由于纳米冰晶石分散在包覆液中,使纳米冰晶石对陶瓷薄板进行包覆并对其表面进行刻蚀,形成稳定的氟铝酸根离子,降低材料表面能,使其有效防止污渍和灰尘的沉积和负载,具有优异的耐污性能;
(2)本发明采用的陶瓷包覆液中含有大量的氟铝酸根离子,与陶瓷薄板中氧化钠结合,形成稳定的氟铝酸钠转化膜,有效提高材料耐污性能,改善材料基体强度,有效地降低了陶瓷薄板材料的吸水率,同时提高了陶瓷薄板材料抗冲击性能,使其使用寿命得以延长,可广泛应用于建筑装饰材料技术领域。
具体实施方式
首先称取10~15g氧化钙、45~50g氧化铝、121~125g二氧化硅、30~35g氧化铁、2.5~3.0g氧化钛、10~15g氧化钠和8~12g氧化钾混合并置于球磨罐中,在250~300r/min下球磨3~5h后,过200目筛,得过筛后混合粉末,按重量份数计,分别称量45~50份过筛后混合粉末,25~30份质量分数5%聚乙烯醇溶液和2~3份碳酸钠置于烧杯中,搅拌混合得混合浆料,将混合浆料置于球磨罐中,球磨2~3h后过250目筛,得球磨过筛浆料并于35~45℃下干燥至浆料浓度为55~65波美度,得陶瓷浆料,将陶瓷浆料浇注至厚度为6.0mm的模具中,在室温下静置固化20~24h后,得预干坯料并置于250~300℃隧道窑中,按25℃/min升温速率升温至1750~1800℃,保温煅烧1~2h后,静置冷却至室温,制备得陶瓷薄板基体,再称取45~50g200目萤石矿粉末与250~300g质量分数10%硅酸钠溶液置于三口烧瓶中,搅拌混合并置于135~140℃下油浴加热25~30min,待油浴加热完成后,向三口烧瓶中滴加质量分数20%盐酸至三口烧瓶中物料pH为3.5~4.0,控制盐酸滴加速率为1~2mL/min,待滴加完成后,静置陈化3~5h,再对三口烧瓶中滴加质量分数15%氨水,调节三口烧瓶中物料pH至8.0,待pH调节完成后,静置陈化1~2h,过滤得滤液,按重量份数计,分别取45~50份滤液、10~15份硫酸钠、5~8份硫酸铝、5~6份聚乙烯醇和10~15份质量分数20%乙酸溶液置于烧杯中,搅拌混合并静置6~8h,随后在200~300W下超声分散10~15min,制备得包覆分散液,再将包覆分散液用喷枪在5~10MPa压力下喷覆至陶瓷薄板基体表面,控制喷覆量为95~100g/m2,待喷覆完成后,静置固化3~5h后,制备得干燥包覆陶瓷薄板,最后将干燥包覆陶瓷薄板置于120~130℃管式气氛炉中,通氮气排除空气后,按1℃/min速率升温至150~160℃,保温烧结2~3h后,静置冷却至室温,即可制备得一种耐污型陶瓷薄板。
实例1
首先称取10g氧化钙、45g氧化铝、121g二氧化硅、30g氧化铁、2.5g氧化钛、10g氧化钠和8g氧化钾混合并置于球磨罐中,在250r/min下球磨3h后,过200目筛,得过筛后混合粉末,按重量份数计,分别称量45份过筛后混合粉末,25份质量分数5%聚乙烯醇溶液和2份碳酸钠置于烧杯中,搅拌混合得混合浆料,将混合浆料置于球磨罐中,球磨2h后过250目筛,得球磨过筛浆料并于35℃下干燥至浆料浓度为55波美度,得陶瓷浆料,将陶瓷浆料浇注至厚度为6.0mm的模具中,在室温下静置固化20h后,得预干坯料并置于250℃隧道窑中,按25℃/min升温速率升温至1750℃,保温煅烧1h后,静置冷却至室温,制备得陶瓷薄板基体,再称取45g200目萤石矿粉末与250g质量分数10%硅酸钠溶液置于三口烧瓶中,搅拌混合并置于135℃下油浴加热25min,待油浴加热完成后,向三口烧瓶中滴加质量分数20%盐酸至三口烧瓶中物料pH为3.5,控制盐酸滴加速率为1mL/min,待滴加完成后,静置陈化3h,再对三口烧瓶中滴加质量分数15%氨水,调节三口烧瓶中物料pH至8.0,待pH调节完成后,静置陈化1h,过滤得滤液,按重量份数计,分别取45份滤液、10份硫酸钠、5份硫酸铝、5份聚乙烯醇和10份质量分数20%乙酸溶液置于烧杯中,搅拌混合并静置6h,随后在200W下超声分散10min,制备得包覆分散液,再将包覆分散液用喷枪在5MPa压力下喷覆至陶瓷薄板基体表面,控制喷覆量为95g/m2,待喷覆完成后,静置固化3h后,制备得干燥包覆陶瓷薄板,最后将干燥包覆陶瓷薄板置于120℃管式气氛炉中,通氮气排除空气后,按1℃/min速率升温至150℃,保温烧结2h后,静置冷却至室温,即可制备得一种耐污型陶瓷薄板。
实例2
首先称取13g氧化钙、48g氧化铝、122g二氧化硅、33g氧化铁、2.8g氧化钛、13g氧化钠和10g氧化钾混合并置于球磨罐中,在275r/min下球磨4h后,过200目筛,得过筛后混合粉末,按重量份数计,分别称量48份过筛后混合粉末,28份质量分数5%聚乙烯醇溶液和2份碳酸钠置于烧杯中,搅拌混合得混合浆料,将混合浆料置于球磨罐中,球磨2h后过250目筛,得球磨过筛浆料并于40℃下干燥至浆料浓度为60波美度,得陶瓷浆料,将陶瓷浆料浇注至厚度为6.0mm的模具中,在室温下静置固化22h后,得预干坯料并置于275℃隧道窑中,按25℃/min升温速率升温至1775℃,保温煅烧1h后,静置冷却至室温,制备得陶瓷薄板基体,再称取48g200目萤石矿粉末与275g质量分数10%硅酸钠溶液置于三口烧瓶中,搅拌混合并置于138℃下油浴加热28min,待油浴加热完成后,向三口烧瓶中滴加质量分数20%盐酸至三口烧瓶中物料pH为3.8,控制盐酸滴加速率为1mL/min,待滴加完成后,静置陈化4h,再对三口烧瓶中滴加质量分数15%氨水,调节三口烧瓶中物料pH至8.0,待pH调节完成后,静置陈化1h,过滤得滤液,按重量份数计,分别取48份滤液、13份硫酸钠、7份硫酸铝、5份聚乙烯醇和13质量分数20%乙酸溶液置于烧杯中,搅拌混合并静置7h,随后在25W下超声分散13min,制备得包覆分散液,再将包覆分散液用喷枪在8Pa压力下喷覆至陶瓷薄板基体表面,控制喷覆量为98g/m2,待喷覆完成后,静置固化4后,制备得干燥包覆陶瓷薄板,最后将干燥包覆陶瓷薄板置于125℃管式气氛炉中,通氮气排除空气后,按1℃/min速率升温至155℃,保温烧结2h后,静置冷却至室温,即可制备得一种耐污型陶瓷薄板。
实例3
首先称取15g氧化钙、50g氧化铝、125g二氧化硅、35g氧化铁、3.0g氧化钛、15g氧化钠和12g氧化钾混合并置于球磨罐中,在300r/min下球磨5h后,过200目筛,得过筛后混合粉末,按重量份数计,分别称量50份过筛后混合粉末,30份质量分数5%聚乙烯醇溶液和3份碳酸钠置于烧杯中,搅拌混合得混合浆料,将混合浆料置于球磨罐中,球磨3h后过250目筛,得球磨过筛浆料并于45℃下干燥至浆料浓度为65波美度,得陶瓷浆料,将陶瓷浆料浇注至厚度为6.0mm的模具中,在室温下静置固化24h后,得预干坯料并置于300℃隧道窑中,按25℃/min升温速率升温至1800℃,保温煅烧2h后,静置冷却至室温,制备得陶瓷薄板基体,再称取50g200目萤石矿粉末与300g质量分数10%硅酸钠溶液置于三口烧瓶中,搅拌混合并置于140℃下油浴加热30min,待油浴加热完成后,向三口烧瓶中滴加质量分数20%盐酸至三口烧瓶中物料pH为4.0,控制盐酸滴加速率为2mL/min,待滴加完成后,静置陈化5h,再对三口烧瓶中滴加质量分数15%氨水,调节三口烧瓶中物料pH至8.0,待pH调节完成后,静置陈化2h,过滤得滤液,按重量份数计,分别取50份滤液、15份硫酸钠、8份硫酸铝、6份聚乙烯醇和15份质量分数20%乙酸溶液置于烧杯中,搅拌混合并静置8h,随后在300W下超声分散15min,制备得包覆分散液,再将包覆分散液用喷枪在10MPa压力下喷覆至陶瓷薄板基体表面,控制喷覆量为100g/m2,待喷覆完成后,静置固化5h后,制备得干燥包覆陶瓷薄板,最后将干燥包覆陶瓷薄板置于130℃管式气氛炉中,通氮气排除空气后,按1℃/min速率升温至160℃,保温烧结3h后,静置冷却至室温,即可制备得一种耐污型陶瓷薄板。
将实例1~3制得的耐污型陶瓷薄板和广东蒙娜丽莎陶瓷薄板(对比例)进行性能检测,其检测结果如下表1:
表1
陶瓷薄板性能测试参照标准:
1 规格尺寸 GB/T3810.2-2006
2 密度、吸水率测定 GB/T3810.3-2006
3 破坏强度、断裂模数测定 GB/T3810.4-2006
4 耐污染性测定 GB/T3810.14-2006
综上所述,本发明制得的耐污型陶瓷薄板具有较好的韧性及机械性能,同时陶瓷薄板成品率高、耐污性能较好,有效延长了陶瓷薄板的使用寿命,具有广阔的应用前景。

Claims (4)

1.一种耐污型陶瓷薄板的制备方法,其特征在于具体制备步骤为:
(1)取10~15g氧化钙、45~50g氧化铝、121~125g二氧化硅、30~35g氧化铁、2.5~3.0g氧化钛、10~15g氧化钠和8~12g氧化钾混合球磨过200目筛,得过筛后混合粉末;
(2)按重量份数计,称量45~50份过筛后混合粉末,25~30份质量分数5%聚乙烯醇溶液和2~3份碳酸钠搅拌混合,球磨后过250目筛,得球磨过筛浆料,经干燥得陶瓷浆料,将陶瓷浆料浇注至模具中,静置固化得预干坯料,经煅烧、冷却,制备得陶瓷薄板基体;
(3)称取45~50g200目萤石矿粉末与250~300g质量分数10%硅酸钠溶液混合,加热并调节pH为3.5~4.0,随后静置陈化,滴加质量分数15%氨水调节pH至8.0,静置陈化并过滤得滤液,按重量份数计,分别取45~50份滤液、10~15份硫酸钠、5~8份硫酸铝、5~6份聚乙烯醇和10~15份质量分数20%乙酸溶液搅拌混合并超声分散得包覆分散液;
(4)将包覆分散液用喷覆至陶瓷薄板基体表面,静置固化得干燥包覆陶瓷薄板将干燥包覆陶瓷薄板置管式气氛炉中,通氮气排除空气后,烧结后静置冷却至室温,即可制备得一种耐污型陶瓷薄板。
2.根据权利要求1所述的一种耐污型陶瓷薄板的制备方法,其特征在于:步骤(1)所述的陶瓷浆料浓度为55~65波美度。
3.根据权利要求1所述的一种耐污型陶瓷薄板的制备方法,其特征在于:步骤(2)所述的煅烧温度为1750~1800℃。
4.根据权利要求1所述的一种耐污型陶瓷薄板的制备方法,其特征在于:步骤(4)所述的包覆分散液喷覆量为95~100g/m2
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