CN106830884A - 一种抗氧化陶瓷材料及其制备方法 - Google Patents

一种抗氧化陶瓷材料及其制备方法 Download PDF

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CN106830884A
CN106830884A CN201611191133.7A CN201611191133A CN106830884A CN 106830884 A CN106830884 A CN 106830884A CN 201611191133 A CN201611191133 A CN 201611191133A CN 106830884 A CN106830884 A CN 106830884A
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周易
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Abstract

本发明提供一种抗氧化陶瓷材料及其制备方法，属于陶瓷制备技术领域。本发明陶瓷材料的主要原料为：赤泥、黏土、石英砂、蒙脱土、硅灰石、铬铁矿、亚磷酸酯、双十二碳醇、柠檬酸和二丁基甲苯酚。本发明陶瓷材料通过添加抗氧化成分，使制得的陶瓷具有良好的抗氧化性，能够保持陶瓷材料的优良性能，延长其使用寿命，具有广阔的市场前景。

Description

一种抗氧化陶瓷材料及其制备方法
技术领域
本发明涉及陶瓷制备技术领域，具体涉及一种抗氧化陶瓷材料及其制备方法。
背景技术
陶瓷材料是工程材料中刚度最好、硬度最高的材料，其硬度大多在1500HV以上。传统陶瓷主要采用天然的岩石、矿物、粘土等材料做原料，而新型陶瓷则采用人工合成的高纯度无机化合物为原料，在严格控制的条件下经成型、烧结和其他处理而制成具有微细结晶组织的无机材料。新型陶瓷材料在性能上有其独特的优越性。在热和机械性能方面，有耐高温、隔热、高硬度、耐磨耗等；在电性能方面有绝缘性、压电性、半导体性、磁性等；在化学方面有催化、耐腐蚀、吸附等功能；在生物方面，具有一定生物相容性能，可作为生物结构材料等。
发明内容
本发明的发明目的在于：针对上述存在的问题，提供一种抗氧化陶瓷材料及其制备方法，本发明陶瓷材料通过添加抗氧化成分，使制得的陶瓷具有良好的抗氧化性，能够保持陶瓷材料的优良性能，延长其使用寿命，具有广阔的市场前景。
为了实现上述目的，本发明采用的技术方案如下：一种抗氧化陶瓷材料，所述陶瓷材料的原料组成及重量份数为：赤泥80-120份、黏土60-80份、石英砂10-30份、蒙脱土20-40份、硅灰石15-35份、铬铁矿8-24份、亚磷酸酯6-18份、双十二碳醇2-10份、柠檬酸3-15份、二丁基甲苯酚9-21份。
较优的，一种抗氧化陶瓷材料，所述陶瓷材料的原料组成及重量份数为：赤泥90-110份、黏土65-75份、石英砂15-25份、蒙脱土25-35份、硅灰石20-30份、铬铁矿12-20份、亚磷酸酯9-15份、双十二碳醇4-8份、柠檬酸6-12份、二丁基甲苯酚12-18份。
较优的，一种抗氧化陶瓷材料，所述陶瓷材料的原料组成及重量份数为：赤泥100份、黏土70份、石英砂20份、蒙脱土30份、硅灰石25份、铬铁矿16份、亚磷酸酯12份、双十二碳醇6份、柠檬酸9份、二丁基甲苯酚15份。
本发明还提供了上述陶瓷材料的制备方法，包括以下步骤：
（1）将赤泥、黏土、石英砂、蒙脱土、硅灰石和铬铁矿用烘干炉烘干后，放在干燥处自然冷却至室温，然后放入球磨机中球磨成过60-80目标准筛的混合粉末备用，其中，所述烘干炉的温度为100-120℃，烘干时间为8-12h；所述球磨机的转速为60-80r/min，球料比为1:1-1:2；
（2）将亚磷酸酯、双十二碳醇、柠檬酸和二丁基甲苯酚与步骤（1）所得的混合粉末一起放入搅拌机中，加入适量的水，混合均匀后继续搅拌4-6h，使水含量保持在15-20%，即得所需的抗氧化陶瓷材料。
本发明陶瓷材料通过添加抗氧化成分，使制得的陶瓷具有良好的抗氧化性，能够保持陶瓷材料的优良性能，延长其使用寿命，具有广阔的市场前景。
具体实施方式
以下通过具体实施例对本发明作进一步详述。
实施例1一种抗氧化陶瓷材料，其原料组成及重量份数为：赤泥120份、黏土80份、石英砂30份、蒙脱土40份、硅灰石35份、铬铁矿24份、亚磷酸酯18份、双十二碳醇10份、柠檬酸15份、二丁基甲苯酚21份；制备方法是：（1）将赤泥、黏土、石英砂、蒙脱土、硅灰石和铬铁矿用温度为100℃的烘干炉烘8h后，放在干燥处自然冷却至室温，然后按照球料比为1:1，放入转速为60r/min的球磨机中球磨成过60目标准筛的混合粉末备用；（2）将亚磷酸酯、双十二碳醇、柠檬酸和二丁基甲苯酚与步骤（1）所得的混合粉末一起放入搅拌机中，加入适量的水，混合均匀后继续搅拌4h，使水含量保持在15%，即得。
实施例2一种抗氧化陶瓷材料，其原料组成及重量份数为：赤泥100份、黏土70份、石英砂20份、蒙脱土30份、硅灰石25份、铬铁矿16份、亚磷酸酯12份、双十二碳醇6份、柠檬酸9份、二丁基甲苯酚15份；其制备方法是：（1）将赤泥、黏土、石英砂、蒙脱土、硅灰石和铬铁矿用温度为120℃的烘干炉烘12h后，放在干燥处自然冷却至室温，然后按照球料比为1:2，放入转速为80r/min的球磨机中球磨成过80目标准筛的混合粉末备用；
（2）将亚磷酸酯、双十二碳醇、柠檬酸和二丁基甲苯酚与步骤（1）所得的混合粉末一起放入搅拌机中，加入适量的水，混合均匀后继续搅拌6h，使水含量保持在20%，即得所需的抗氧化陶瓷材料。
实施例3 一种抗氧化陶瓷材料，其原料组成及重量份数为：赤泥80份、黏土60份、石英砂10份、蒙脱土20份、硅灰石15份、铬铁矿8份、亚磷酸酯6份、双十二碳醇2份、柠檬酸3份、二丁基甲苯酚9份。

Claims (6)

1.一种抗氧化陶瓷材料，其特征在于：所述陶瓷材料的原料组成及重量份数为：赤泥80-120份、黏土60-80份、石英砂10-30份、蒙脱土20-40份、硅灰石15-35份、铬铁矿8-24份、亚磷酸酯6-18份、双十二碳醇2-10份、柠檬酸3-15份、二丁基甲苯酚9-21份。
2.根据权利要求1所述的一种抗氧化陶瓷材料，其特征在于：所述陶瓷材料的原料组成及重量份数为：赤泥90-110份、黏土65-75份、石英砂15-25份、蒙脱土25-35份、硅灰石20-30份、铬铁矿12-20份、亚磷酸酯9-15份、双十二碳醇4-8份、柠檬酸6-12份、二丁基甲苯酚12-18份。
3.根据权利要求1所述的一种抗氧化陶瓷材料，其特征在于：所述陶瓷材料的原料组成及重量份数为：赤泥100份、黏土70份、石英砂20份、蒙脱土30份、硅灰石25份、铬铁矿16份、亚磷酸酯12份、双十二碳醇6份、柠檬酸9份、二丁基甲苯酚15份。
4.根据权利要求1-3中任一项所述的一种抗氧化陶瓷材料的制备方法，其特征在于：包括以下步骤：
（1）将赤泥、黏土、石英砂、蒙脱土、硅灰石和铬铁矿用烘干炉烘干后，放在干燥处自然冷却至室温，然后放入球磨机中球磨成过60-80目标准筛的混合粉末备用；
（2）将亚磷酸酯、双十二碳醇、柠檬酸和二丁基甲苯酚与步骤（1）所得的混合粉末一起放入搅拌机中，加入适量的水，混合均匀后继续搅拌4-6h，使水含量保持在15-20%，即得所需的抗氧化陶瓷材料。
5.根据权利要求4所述的一种抗氧化陶瓷材料的制备方法，其特征在于：所述步骤（1）中烘干炉的温度为100-120℃，烘干时间为8-12h。
6.根据权利要求4所述的一种抗氧化陶瓷材料的制备方法，其特征在于：所述步骤（1）中球磨机的转速为60-80r/min，球料比为1:1-1:2。
CN201611191133.7A 2016-12-21 2016-12-21 一种抗氧化陶瓷材料及其制备方法 Withdrawn CN106830884A (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108911703A (zh) * 2018-09-03 2018-11-30 贵州欧玛陶瓷有限责任公司 一种利用氧化铝厂的赤泥制备古建陶瓷及其制备方法
MA65756A1 (fr) * 2024-05-14 2025-11-28 Université Internationale de RABAT Les eaux usées prétraitées issus des stations de traitements STEP aux services du génie civile en particulier les briques en terrecuite

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101054300A (zh) * 2007-04-11 2007-10-17 华中科技大学 一种尼龙覆膜陶瓷粉末材料的制备方法
CN102910892A (zh) * 2012-09-28 2013-02-06 新嘉理（江苏）陶瓷有限公司 一种利用天然矿物及提钒尾渣制备的黑色陶板及其制备方法
CN103804917A (zh) * 2012-11-15 2014-05-21 浙江正导光电股份有限公司 一种电缆填充油膏
CN104830420A (zh) * 2015-04-16 2015-08-12 青岛承天伟业机械制造有限公司 一种耐高温的抗氧化润滑油
CN105693254A (zh) * 2016-02-03 2016-06-22 中国航空工业集团公司北京航空材料研究院 一种水溶性陶瓷型芯材料和制备水溶性陶瓷型芯的方法
CN105948708A (zh) * 2016-04-28 2016-09-21 郑州航空工业管理学院 一种陶瓷材料及其制备方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101054300A (zh) * 2007-04-11 2007-10-17 华中科技大学 一种尼龙覆膜陶瓷粉末材料的制备方法
CN102910892A (zh) * 2012-09-28 2013-02-06 新嘉理（江苏）陶瓷有限公司 一种利用天然矿物及提钒尾渣制备的黑色陶板及其制备方法
CN103804917A (zh) * 2012-11-15 2014-05-21 浙江正导光电股份有限公司 一种电缆填充油膏
CN104830420A (zh) * 2015-04-16 2015-08-12 青岛承天伟业机械制造有限公司 一种耐高温的抗氧化润滑油
CN105693254A (zh) * 2016-02-03 2016-06-22 中国航空工业集团公司北京航空材料研究院 一种水溶性陶瓷型芯材料和制备水溶性陶瓷型芯的方法
CN105948708A (zh) * 2016-04-28 2016-09-21 郑州航空工业管理学院 一种陶瓷材料及其制备方法

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* Cited by examiner, † Cited by third party
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CN108911703A (zh) * 2018-09-03 2018-11-30 贵州欧玛陶瓷有限责任公司 一种利用氧化铝厂的赤泥制备古建陶瓷及其制备方法
CN108911703B (zh) * 2018-09-03 2021-06-22 贵州欧玛陶瓷有限责任公司 一种利用氧化铝厂的赤泥制备古建陶瓷及其制备方法
MA65756A1 (fr) * 2024-05-14 2025-11-28 Université Internationale de RABAT Les eaux usées prétraitées issus des stations de traitements STEP aux services du génie civile en particulier les briques en terrecuite

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