CN114477981A - 一种抗油污陶瓷薄板及其制备方法 - Google Patents
一种抗油污陶瓷薄板及其制备方法 Download PDFInfo
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Abstract
本发明公开了一种抗油污陶瓷薄板,包括以下重量份原料:莫来石20‑30份、堇青石10‑20份、滑石粉5‑10份、纤维增强石墨烯体4‑6份、硅灰石杂化改性a‑氧化铝2‑6份、氮化硅复合纳米粉体1‑3份、碳酸钡烧结助剂1‑5份。本发明抗油污陶瓷薄板采用莫来石、堇青石、滑石粉等原料组成,通过纤维增强石墨烯体、硅灰石杂化改性a‑氧化铝、氮化硅复合纳米粉体的复合配比,制备的产品耐油污、强度性能优异。
Description
技术领域
本发明涉及陶瓷薄板技术领域,具体涉及一种抗油污陶瓷薄板及其制备方法。
背景技术
陶瓷薄板(简称薄瓷板)是一种由高岭土黏土和其它无机非金属材料,经成形、经1200度高温煅烧等生产工艺制成的板状陶瓷制品。陶瓷薄板是由粘土和其他无机非金属材料经成型、高温烧成等工艺制备而成的板状陶瓷制品。陶瓷薄板的原料通常包含粘土、石英、长石等矿物,坯体经过高温烧成后形成以玻璃相、石英和莫来石为主要组成的致密体。
现有的陶瓷薄板大都采用无机料烧结而成,薄板的抗油污性能差,影响使用效率,基于此,本发明提供一种抗油污陶瓷薄板及其制备方法。
发明内容
针对现有技术的缺陷,本发明的目的是提供一种抗油污陶瓷薄板及其制备方法,以解决上述背景技术中提出的问题。
本发明解决技术问题采用如下技术方案:
本发明提供了一种抗油污陶瓷薄板,包括以下重量份原料:
莫来石20-30份、堇青石10-20份、滑石粉5-10份、纤维增强石墨烯体4-6份、硅灰石杂化改性a-氧化铝2-6份、氮化硅复合纳米粉体1-3份、碳酸钡烧结助剂1-5份。
优选地,所述抗油污陶瓷薄板包括以下重量份原料:
莫来石25份、堇青石15份、滑石粉7.5份、纤维增强石墨烯体5份、硅灰石杂化改性a-氧化铝4份、氮化硅复合纳米粉体2份、碳酸钡烧结助剂3份。
优选地,所述纤维增强石墨烯体的制备方法为:
S1:将石墨烯送入到质量分数2-6%的盐酸溶液中浸泡15-25min,浸泡温度为65-75℃,浸泡结束、水洗、干燥;
S2:然后将S1的石墨烯与碳化硅纤维按照重量比3:1混合,加入碳化硅纤维总量10倍的丙酮,进行超声反应混合,超声功率为500-1000W,超声时间为20-30min,超声结束,水洗、得到共混料;
S3:将共混料送入到研磨机中进行研磨,研磨转速为100-1000r/min,研磨时间为20-30min,研磨结束,得到纤维增强石墨烯体。
优选地,所述硅灰石杂化改性a-氧化铝的制备方法为:
S1:将硅灰石、a-氧化铝按照重量比4:1混合,送入到质量分数1-3%的壳聚糖溶液中搅拌反应20-30min,搅拌温度为90℃,搅拌转速为100-500r/min,搅拌结束,得到复合料;
S2:将50-60份的复合料、20-30份聚丙烯酰胺水溶液、2-6份过硫酸铵于搅拌器中进行搅拌反应,搅拌温度为70-80℃,搅拌转速为400-600r/min,搅拌1-2h,搅拌结束,水洗、干燥,得到硅灰石杂化改性a-氧化铝。
优选地,所述氮化硅复合纳米粉体的制备方法为:
将10-15份纳米二氧化硅送入到50-70份乙醇溶剂中,然后加入1-5份聚乙二醇,随后加入盐酸调节pH至4.5,然后加入氮化硅5-10份氮化硅,于超声功率为100-500W,超声时间为15-25min,超声反应结束,送入到煅烧炉中于300-400℃的条件下煅烧10-20min,煅烧结束,得到氮化硅复合纳米粉体。
本发明还提供了一种抗油污陶瓷薄板的制备方法,包括以下步骤:
步骤一,将原料依次搅拌混合至充分,得到待烧结料;
步骤二,将待烧结料进行变温均热处理,处理结束,得到预热料;
步骤三,将预热料进行振荡烧结处理,烧结温度为1000-1100℃,烧结5-10min,振荡频率为3-5Hz,振幅1-5MPa,得到第一烧结料;
步骤四,将第一烧结料采用10-20Mpa的压力进行热压烧结1-2h,烧结温度为1300-1400℃,烧结结束,得到第二烧结料;
步骤五,将第二烧结料冷却至室温,然后浸润到木质素基油污剂中,取出、干燥,得到本发明的抗油污陶瓷薄板。
优选地,所述变温均热处理中以1-5℃/min的速率升至600℃,保温10-20min,随后继续以1-3℃/min的速率升至800℃,保温处理,备用。
优选地,所述木质素基油污剂的制备方法为:
将木质素送入到氢氧化钠溶液中进行反应处理,反应温度为100-150℃,反应10-20min,得到木质素液;将木质素液、过硫酸铵、N,N-亚甲基双丙烯酰铵按照重量比6:1:1混合,然后再加入木质素液总量10-20%的改性膨润土、1-3倍的氟碳乳液,于65-75℃下反应1-2h,反应转速为300-500r/min,反应结束,得到木质素基油污剂。
优选地,所述改性膨润土的改性方法为:采用膨润土进行500-700℃的温度煅烧1-2h,然后于10-40℃下反应20-30min,随后送入到硅烷偶联剂中进行搅拌充分,搅拌结束,水洗、干燥,得到改性膨润土。
优选地,所述搅拌温度为110-120℃,搅拌时间为50-70min。
与现有技术相比,本发明具有如下的有益效果:
1、本发明抗油污陶瓷薄板采用莫来石、堇青石、滑石粉等原料组成,通过纤维增强石墨烯体、硅灰石杂化改性a-氧化铝、氮化硅复合纳米粉体的复合配比,制备的产品耐油污、强度性能优异。
2、纤维增强石墨烯体对石墨烯片状结构进行强化改性,从而促进片状的石墨烯再烧结中致密性更强,而硅灰石杂化改性a-氧化铝利用长短不同的针状结构互配,形成交叉互错,配合氮化硅复合纳米粉体中的高比表面积纳米二氧化硅,从而原料烧结后更为紧密,结构体系稳定性更强,制备的产品耐污、强度更好。
3、通过陶瓷薄板烧结中进行变温均热处理目的将原料温热化,便于再后续振荡烧结、热压烧结中烧结充分,同时通过木质素基油污剂浸润,木质素液通过改性后形成水凝胶体,形成水膜,阻止油基物质进入到薄板层。
4、改性膨润土通过层间距结构,具有阻隔性能,进一步的改进后,能够配合氟碳乳液,进一步起到耐污效果。
具体实施方式
下面结合具体实施例,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
实施例1.
本实施例的一种抗油污陶瓷薄板,包括以下重量份原料:
莫来石20份、堇青石10份、滑石粉5份、纤维增强石墨烯体4份、硅灰石杂化改性a-氧化铝2份、氮化硅复合纳米粉体1份、碳酸钡烧结助剂1份。
本实施例的纤维增强石墨烯体的制备方法为:
S1:将石墨烯送入到质量分数2%的盐酸溶液中浸泡15min,浸泡温度为65℃,浸泡结束、水洗、干燥;
S2:然后将S1的石墨烯与碳化硅纤维按照重量比3:1混合,加入碳化硅纤维总量10倍的丙酮,进行超声反应混合,超声功率为500W,超声时间为20min,超声结束,水洗、得到共混料;
S3:将共混料送入到研磨机中进行研磨,研磨转速为100r/min,研磨时间为20min,研磨结束,得到纤维增强石墨烯体。
本实施例的硅灰石杂化改性a-氧化铝的制备方法为:
S1:将硅灰石、a-氧化铝按照重量比4:1混合,送入到质量分数1%的壳聚糖溶液中搅拌反应20min,搅拌温度为90℃,搅拌转速为100r/min,搅拌结束,得到复合料;
S2:将50份的复合料、20份聚丙烯酰胺水溶液、2份过硫酸铵于搅拌器中进行搅拌反应,搅拌温度为70℃,搅拌转速为400r/min,搅拌1h,搅拌结束,水洗、干燥,得到硅灰石杂化改性a-氧化铝。
本实施例的氮化硅复合纳米粉体的制备方法为:
将10份纳米二氧化硅送入到50份乙醇溶剂中,然后加入1份聚乙二醇,随后加入盐酸调节pH至4.5,然后加入氮化硅5份氮化硅,于超声功率为100W,超声时间为15min,超声反应结束,送入到煅烧炉中于300℃的条件下煅烧10min,煅烧结束,得到氮化硅复合纳米粉体。
本实施例的一种抗油污陶瓷薄板的制备方法,包括以下步骤:
步骤一,将原料依次搅拌混合至充分,得到待烧结料;
步骤二,将待烧结料进行变温均热处理,处理结束,得到预热料;
步骤三,将预热料进行振荡烧结处理,烧结温度为1000℃,烧结5min,振荡频率为3Hz,振幅1MPa,得到第一烧结料;
步骤四,将第一烧结料采用10Mpa的压力进行热压烧结1h,烧结温度为1300℃,烧结结束,得到第二烧结料;
步骤五,将第二烧结料冷却至室温,然后浸润到木质素基油污剂中,取出、干燥,得到本发明的抗油污陶瓷薄板。
本实施例的变温均热处理中以1℃/min的速率升至600℃,保温10min,随后继续以1℃/min的速率升至800℃,保温处理,备用。
本实施例的木质素基油污剂的制备方法为:
将木质素送入到氢氧化钠溶液中进行反应处理,反应温度为100℃,反应10min,得到木质素液;将木质素液、过硫酸铵、N,N-亚甲基双丙烯酰铵按照重量比6:1:1混合,然后再加入木质素液总量10%的改性膨润土、1倍的氟碳乳液,于65℃下反应1h,反应转速为300r/min,反应结束,得到木质素基油污剂。
本实施例的改性膨润土的改性方法为:采用膨润土进行500℃的温度煅烧1h,然后于10℃下反应20min,随后送入到硅烷偶联剂中进行搅拌充分,搅拌结束,水洗、干燥,得到改性膨润土。
本实施例的搅拌温度为110℃,搅拌时间为50min。
实施例2.
本实施例的一种抗油污陶瓷薄板,包括以下重量份原料:
莫来石30份、堇青石20份、滑石粉10份、纤维增强石墨烯体6份、硅灰石杂化改性a-氧化铝6份、氮化硅复合纳米粉体3份、碳酸钡烧结助剂5份。
本实施例的纤维增强石墨烯体的制备方法为:
S1:将石墨烯送入到质量分数6%的盐酸溶液中浸泡25min,浸泡温度为75℃,浸泡结束、水洗、干燥;
S2:然后将S1的石墨烯与碳化硅纤维按照重量比3:1混合,加入碳化硅纤维总量10倍的丙酮,进行超声反应混合,超声功率为1000W,超声时间为30min,超声结束,水洗、得到共混料;
S3:将共混料送入到研磨机中进行研磨,研磨转速为1000r/min,研磨时间为30min,研磨结束,得到纤维增强石墨烯体。
本实施例的硅灰石杂化改性a-氧化铝的制备方法为:
S1:将硅灰石、a-氧化铝按照重量比4:1混合,送入到质量分数3%的壳聚糖溶液中搅拌反应30min,搅拌温度为90℃,搅拌转速为500r/min,搅拌结束,得到复合料;
S2:将60份的复合料、30份聚丙烯酰胺水溶液、6份过硫酸铵于搅拌器中进行搅拌反应,搅拌温度为80℃,搅拌转速为600r/min,搅拌2h,搅拌结束,水洗、干燥,得到硅灰石杂化改性a-氧化铝。
本实施例的氮化硅复合纳米粉体的制备方法为:
将15份纳米二氧化硅送入到70份乙醇溶剂中,然后加入5份聚乙二醇,随后加入盐酸调节pH至4.5,然后加入氮化硅10份氮化硅,于超声功率为500W,超声时间为25min,超声反应结束,送入到煅烧炉中于400℃的条件下煅烧20min,煅烧结束,得到氮化硅复合纳米粉体。
本实施例的一种抗油污陶瓷薄板的制备方法,包括以下步骤:
步骤一,将原料依次搅拌混合至充分,得到待烧结料;
步骤二,将待烧结料进行变温均热处理,处理结束,得到预热料;
步骤三,将预热料进行振荡烧结处理,烧结温度为1100℃,烧结10min,振荡频率为5Hz,振幅5MPa,得到第一烧结料;
步骤四,将第一烧结料采用20Mpa的压力进行热压烧结2h,烧结温度为1400℃,烧结结束,得到第二烧结料;
步骤五,将第二烧结料冷却至室温,然后浸润到木质素基油污剂中,取出、干燥,得到本发明的抗油污陶瓷薄板。
本实施例的变温均热处理中以5℃/min的速率升至600℃,保温20min,随后继续以3℃/min的速率升至800℃,保温处理,备用。
本实施例的木质素基油污剂的制备方法为:
将木质素送入到氢氧化钠溶液中进行反应处理,反应温度为150℃,反应20min,得到木质素液;将木质素液、过硫酸铵、N,N-亚甲基双丙烯酰铵按照重量比6:1:1混合,然后再加入木质素液总量20%的改性膨润土、3倍的氟碳乳液,于75℃下反应1-2h,反应转速为500r/min,反应结束,得到木质素基油污剂。
本实施例的改性膨润土的改性方法为:采用膨润土进行700℃的温度煅烧2h,然后于40℃下反应30min,随后送入到硅烷偶联剂中进行搅拌充分,搅拌结束,水洗、干燥,得到改性膨润土。
本实施例的搅拌温度为120℃,搅拌时间为70min。
实施例3.
本实施例的一种抗油污陶瓷薄板,包括以下重量份原料:
莫来石25份、堇青石15份、滑石粉7.5份、纤维增强石墨烯体5份、硅灰石杂化改性a-氧化铝4份、氮化硅复合纳米粉体2份、碳酸钡烧结助剂3份。
本实施例的纤维增强石墨烯体的制备方法为:
S1:将石墨烯送入到质量分数4%的盐酸溶液中浸泡20min,浸泡温度为70℃,浸泡结束、水洗、干燥;
S2:然后将S1的石墨烯与碳化硅纤维按照重量比3:1混合,加入碳化硅纤维总量10倍的丙酮,进行超声反应混合,超声功率为750W,超声时间为25min,超声结束,水洗、得到共混料;
S3:将共混料送入到研磨机中进行研磨,研磨转速为550r/min,研磨时间为25min,研磨结束,得到纤维增强石墨烯体。
本实施例的硅灰石杂化改性a-氧化铝的制备方法为:
S1:将硅灰石、a-氧化铝按照重量比4:1混合,送入到质量分数2%的壳聚糖溶液中搅拌反应25min,搅拌温度为90℃,搅拌转速为100-500r/min,搅拌结束,得到复合料;
S2:将55份的复合料、25份聚丙烯酰胺水溶液、4份过硫酸铵于搅拌器中进行搅拌反应,搅拌温度为75℃,搅拌转速为500r/min,搅拌1.5h,搅拌结束,水洗、干燥,得到硅灰石杂化改性a-氧化铝。
本实施例的氮化硅复合纳米粉体的制备方法为:
将12.5份纳米二氧化硅送入到60份乙醇溶剂中,然后加入3份聚乙二醇,随后加入盐酸调节pH至4.5,然后加入氮化硅7.5份氮化硅,于超声功率为300W,超声时间为20min,超声反应结束,送入到煅烧炉中于350℃的条件下煅烧15min,煅烧结束,得到氮化硅复合纳米粉体。
本实施例的一种抗油污陶瓷薄板的制备方法,包括以下步骤:
步骤一,将原料依次搅拌混合至充分,得到待烧结料;
步骤二,将待烧结料进行变温均热处理,处理结束,得到预热料;
步骤三,将预热料进行振荡烧结处理,烧结温度为650℃,烧结7.5min,振荡频率为4Hz,振幅3MPa,得到第一烧结料;
步骤四,将第一烧结料采用15Mpa的压力进行热压烧结1.5h,烧结温度为1350℃,烧结结束,得到第二烧结料;
步骤五,将第二烧结料冷却至室温,然后浸润到木质素基油污剂中,取出、干燥,得到本发明的抗油污陶瓷薄板。
本实施例的变温均热处理中以3℃/min的速率升至600℃,保温15min,随后继续以2℃/min的速率升至800℃,保温处理,备用。
本实施例的木质素基油污剂的制备方法为:
将木质素送入到氢氧化钠溶液中进行反应处理,反应温度为120℃,反应15min,得到木质素液;将木质素液、过硫酸铵、N,N-亚甲基双丙烯酰铵按照重量比6:1:1混合,然后再加入木质素液总量15%的改性膨润土、2倍的氟碳乳液,于70℃下反应1.5h,反应转速为400r/min,反应结束,得到木质素基油污剂。
本实施例的改性膨润土的改性方法为:采用膨润土进行600℃的温度煅烧1.5h,然后于25℃下反应25min,随后送入到硅烷偶联剂中进行搅拌充分,搅拌结束,水洗、干燥,得到改性膨润土。
本实施例的搅拌温度为115℃,搅拌时间为60min。
实施例4.
本实施例的一种抗油污陶瓷薄板,包括以下重量份原料:
莫来石22份、堇青石13份、滑石粉6份、纤维增强石墨烯体4.5份、硅灰石杂化改性a-氧化铝3份、氮化硅复合纳米粉体1.5份、碳酸钡烧结助剂2份。
本实施例的纤维增强石墨烯体的制备方法为:
S1:将石墨烯送入到质量分数3%的盐酸溶液中浸泡16min,浸泡温度为67℃,浸泡结束、水洗、干燥;
S2:然后将S1的石墨烯与碳化硅纤维按照重量比3:1混合,加入碳化硅纤维总量10倍的丙酮,进行超声反应混合,超声功率为60W,超声时间为22min,超声结束,水洗、得到共混料;
S3:将共混料送入到研磨机中进行研磨,研磨转速为200r/min,研磨时间为22min,研磨结束,得到纤维增强石墨烯体。
本实施例的硅灰石杂化改性a-氧化铝的制备方法为:
S1:将硅灰石、a-氧化铝按照重量比4:1混合,送入到质量分数1.5%的壳聚糖溶液中搅拌反应23min,搅拌温度为90℃,搅拌转速为200r/min,搅拌结束,得到复合料;
S2:将52份的复合料、23份聚丙烯酰胺水溶液、3份过硫酸铵于搅拌器中进行搅拌反应,搅拌温度为72℃,搅拌转速为450r/min,搅拌1.2h,搅拌结束,水洗、干燥,得到硅灰石杂化改性a-氧化铝。
本实施例的氮化硅复合纳米粉体的制备方法为:
将11份纳米二氧化硅送入到55份乙醇溶剂中,然后加入2份聚乙二醇,随后加入盐酸调节pH至4.5,然后加入氮化硅6份氮化硅,于超声功率为200W,超声时间为16min,超声反应结束,送入到煅烧炉中于320℃的条件下煅烧12min,煅烧结束,得到氮化硅复合纳米粉体。
本实施例的一种抗油污陶瓷薄板的制备方法,包括以下步骤:
步骤一,将原料依次搅拌混合至充分,得到待烧结料;
步骤二,将待烧结料进行变温均热处理,处理结束,得到预热料;
步骤三,将预热料进行振荡烧结处理,烧结温度为1020℃,烧结6min,振荡频率为3.5Hz,振幅2MPa,得到第一烧结料;
步骤四,将第一烧结料采用12Mpa的压力进行热压烧结1.2h,烧结温度为1320℃,烧结结束,得到第二烧结料;
步骤五,将第二烧结料冷却至室温,然后浸润到木质素基油污剂中,取出、干燥,得到本发明的抗油污陶瓷薄板。
本实施例的变温均热处理中以2℃/min的速率升至600℃,保温13min,随后继续以1.2℃/min的速率升至800℃,保温处理,备用。
本实施例的木质素基油污剂的制备方法为:
将木质素送入到氢氧化钠溶液中进行反应处理,反应温度为110℃,反应12min,得到木质素液;将木质素液、过硫酸铵、N,N-亚甲基双丙烯酰铵按照重量比6:1:1混合,然后再加入木质素液总量13%的改性膨润土、1.5倍的氟碳乳液,于68℃下反应1.2h,反应转速为320r/min,反应结束,得到木质素基油污剂。
本实施例的改性膨润土的改性方法为:采用膨润土进行550℃的温度煅烧1.3h,然后于20℃下反应22min,随后送入到硅烷偶联剂中进行搅拌充分,搅拌结束,水洗、干燥,得到改性膨润土。
本实施例的搅拌温度为115℃,搅拌时间为55min。
对比例1.
与实施例3不同是未加入纤维增强石墨烯体。
对比例2.
与实施例3不同是未加入硅灰石杂化改性a-氧化铝。
对比例3.
与实施例3不同是未加入氮化硅复合纳米粉体。
对比例4.
与实施例3不同是未加入纤维增强石墨烯体、硅灰石杂化改性a-氧化铝和氮化硅复合纳米粉体。
对比例5.
与实施例3不同是抗油污陶瓷薄板的制备中未采用木质素基油污剂处理。
将本发明实施例1-4及对比例1-5的陶瓷薄板进行耐油污实验和强度测试。
从实施例1-4及对比例1-5可看出,本发明产品具有优异的耐污性能和强度性能,通过纤维增强石墨烯体、硅灰石杂化改性a-氧化铝和氮化硅复合纳米粉体的组合实用,对产品的性能改进具有显著优势。
对于本领域技术人员而言,显然本发明不限于上述示范性实施例的细节,而且在不背离本发明的精神或基本特征的情况下,能够以其他的具体形式实现本发明。因此,无论从哪一点来看,均应将实施例看作是示范性的,而且是非限制性的,本发明的范围由所附权利要求而不是上述说明限定,因此旨在将落在权利要求的等同要件的含义和范围内的所有变化囊括在本发明内。
此外,应当理解,虽然本说明书按照实施方式加以描述,但并非每个实施方式仅包含一个独立的技术方案,说明书的这种叙述方式仅仅是为清楚起见,本领域技术人员应当将说明书作为一个整体,各实施例中的技术方案也可以经适当组合,形成本领域技术人员可以理解的其他实施方式。
Claims (10)
1.一种抗油污陶瓷薄板,其特征在于,包括以下重量份原料:
莫来石20-30份、堇青石10-20份、滑石粉5-10份、纤维增强石墨烯体4-6份、硅灰石杂化改性a-氧化铝2-6份、氮化硅复合纳米粉体1-3份、碳酸钡烧结助剂1-5份。
2.根据权利要求1所述抗油污陶瓷薄板,其特征在于,所述抗油污陶瓷薄板包括以下重量份原料:
莫来石25份、堇青石15份、滑石粉7.5份、纤维增强石墨烯体5份、硅灰石杂化改性a-氧化铝4份、氮化硅复合纳米粉体2份、碳酸钡烧结助剂3份。
3.根据权利要求2所述抗油污陶瓷薄板,其特征在于,所述纤维增强石墨烯体的制备方法为:
S1:将石墨烯送入到质量分数2-6%的盐酸溶液中浸泡15-25min,浸泡温度为65-75℃,浸泡结束、水洗、干燥;
S2:然后将S1的石墨烯与碳化硅纤维按照重量比3:1混合,加入碳化硅纤维总量10倍的丙酮,进行超声反应混合,超声功率为500-1000W,超声时间为20-30min,超声结束,水洗、得到共混料;
S3:将共混料送入到研磨机中进行研磨,研磨转速为100-1000r/min,研磨时间为20-30min,研磨结束,得到纤维增强石墨烯体。
4.根据权利要求1所述抗油污陶瓷薄板,其特征在于,所述硅灰石杂化改性a-氧化铝的制备方法为:
S1:将硅灰石、a-氧化铝按照重量比4:1混合,送入到质量分数1-3%的壳聚糖溶液中搅拌反应20-30min,搅拌温度为90℃,搅拌转速为100-500r/min,搅拌结束,得到复合料;
S2:将50-60份的复合料、20-30份聚丙烯酰胺水溶液、2-6份过硫酸铵于搅拌器中进行搅拌反应,搅拌温度为70-80℃,搅拌转速为400-600r/min,搅拌1-2h,搅拌结束,水洗、干燥,得到硅灰石杂化改性a-氧化铝。
5.根据权利要1所述抗油污陶瓷薄板,其特征在于,所述氮化硅复合纳米粉体的制备方法为:
将10-15份纳米二氧化硅送入到50-70份乙醇溶剂中,然后加入1-5份聚乙二醇,随后加入盐酸调节pH至4.5,然后加入氮化硅5-10份氮化硅,于超声功率为100-500W,超声时间为15-25min,超声反应结束,送入到煅烧炉中于300-400℃的条件下煅烧10-20min,煅烧结束,得到氮化硅复合纳米粉体。
6.一种如权利要求1-5任一项所述抗油污陶瓷薄板的制备方法,包括以下步骤:
步骤一,将原料依次搅拌混合至充分,得到待烧结料;
步骤二,将待烧结料进行变温均热处理,处理结束,得到预热料;
步骤三,将预热料进行振荡烧结处理,烧结温度为1000-1100℃,烧结5-10min,振荡频率为3-5Hz,振幅1-5MPa,得到第一烧结料;
步骤四,将第一烧结料采用10-20Mpa的压力进行热压烧结1-2h,烧结温度为1300-1400℃,烧结结束,得到第二烧结料;
步骤五,将第二烧结料冷却至室温,然后浸润到木质素基油污剂中,取出、干燥,得到本发明的抗油污陶瓷薄板。
7.根据权利要6所述抗油污陶瓷薄板的制备方法,其特征在于,所述变温均热处理中以1-5℃/min的速率升至600℃,保温10-20min,随后继续以1-3℃/min的速率升至800℃,保温处理,备用。
8.根据权利要6所述抗油污陶瓷薄板的制备方法,其特征在于,所述木质素基油污剂的制备方法为:
将木质素送入到氢氧化钠溶液中进行反应处理,反应温度为100-150℃,反应10-20min,得到木质素液;将木质素液、过硫酸铵、N,N-亚甲基双丙烯酰铵按照重量比6:1:1混合,然后再加入木质素液总量10-20%的改性膨润土、1-3倍的氟碳乳液,于65-75℃下反应1-2h,反应转速为300-500r/min,反应结束,得到木质素基油污剂。
9.根据权利要8所述抗油污陶瓷薄板的制备方法,其特征在于,所述改性膨润土的改性方法为:采用膨润土进行500-700℃的温度煅烧1-2h,然后于10-40℃下反应20-30min,随后送入到硅烷偶联剂中进行搅拌充分,搅拌结束,水洗、干燥,得到改性膨润土。
10.根据权利要9所述抗油污陶瓷薄板的制备方法,其特征在于,所述搅拌温度为110-120℃,搅拌时间为50-70min。
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