CN108046776A - 一种高冲击耐磨型纳米复合陶瓷材料的制备方法 - Google Patents
一种高冲击耐磨型纳米复合陶瓷材料的制备方法 Download PDFInfo
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Abstract
本发明公开了一种高冲击耐磨型纳米复合陶瓷材料的制备方法,膨润土、改性铝矾土/ZSM‑11纳米材料、MgAl2O4、氮化硼、聚苯醚改性酚醛树脂、羟基磷灰石、甲基三乙酰氧基硅烷、十二胺基磺酸钠为主要原料,通过将纳米分子筛ZSM‑11和铝矾土混合进行复配硅烷化处理再进行聚苯醚酚醛树脂有机改性制备出性能优异的抗冲击耐磨纳米陶瓷材料,本发明通过将纳米分子筛ZSM‑11和铝矾土混合进行复配硅烷化处理再进行聚苯醚酚醛树脂有机改性制备出陶瓷材料具有优异的抗冲击性及耐磨性能。
Description
技术领域
本发明本发明涉及一种高冲击耐磨型纳米复合陶瓷材料的制备方法,属于陶瓷制备领域。
背景技术
如今出现在市面上的用于客厅地砖一般具有表面光滑的特点,但是硬物在其上擦拭容易刮花,耐磨度不足,使用一段时间后发明划痕明星,容易藏污纳垢,瓷砖的表面也不复光亮如初。此外,随着人们生活水平不断提高,对于瓷砖的需求日益增加,而用于生产陶瓷的矿土资源也随之不断减少,但陶瓷生产对于废弃料的回收利用率较低,因此,需要提供一种既可解决瓷砖不耐磨,且环保、简单易行的方法。
发明内容
本发明的目的在于提供一种高冲击耐磨型纳米复合陶瓷材料及其制备方法,通过该方法制备的材料具有优异的耐磨效果。
一种高冲击耐磨型纳米复合陶瓷材料的制备方法,该方法包括以下步骤:
步骤1、将35份改性铝矾土/ZSM-11纳米材料、10份MgAl2O4、8份膨润土、14份氮化硼分散于200份无水乙醇,置于球磨机形成混合浆料,在烘箱中100℃的温度下烘干至恒重,得到干燥混合料;
步骤2、将上一步得到的恒重化合物干燥料先过100目标准筛使颗粒分散均匀,加入25份聚苯醚改性酚醛树脂、10份羟基磷灰石、5份甲基三乙酰氧基硅烷和4份十二胺基磺酸钠混合均匀,将混合料置于直径30mm模具中于100Mpa压力下压制成生坯,将生坯在研钵中压碎磨碎;
步骤3、将磨碎后的生坯置于高温炉中以4℃/min的速度升温至650℃,保温2h,然后以4℃/min的速度将高温炉的温度升至1250℃保温4h,然后以4℃/min的速度降温至800℃,降至800℃后设置为自然降温,最后将烧结好的陶瓷进行研磨抛光,得到表面平整光滑的陶瓷成品。
所述的改性铝矾土/ZSM-11纳米材料制备方法如下:
步骤1、取10份干燥后的铝矾土和15份ZSM-22沸石分子筛混合,然后加入45份丙三醇融合剂搅拌均匀,于300℃下油浴2h,室温下静置1h以上,在550℃煅烧5h,然后过滤、洗涤并干燥,得到铝矾土/SSZ-13纳米复合物;
步骤2、将14份γ-氨丙基三乙氧基硅烷和γ-缩水甘油醚氧丙基三甲氧基硅烷按3:4的比例投入甲醇溶液中,在60℃下搅拌反应2h,得到复配硅烷改性液;
步骤3、将上述的得到的复配硅烷改性液8份加入到15份铝矾土/SSZ-13纳米复合物中,在室温下搅拌24h,经过滤,甲醇和去离子水洗涤3次,在50℃真空干燥24h,制得改性铝矾土/ZSM-22纳米材料。
所述的聚苯醚改性酚醛树脂制备方法如下:
步骤1、先将聚苯醚粉料进行预辐照处理,辐照条件为:以电子加速器作为辐照源,在常温、常压、空气氛围下利用β射线进行照射处理,预辐照剂量范围为20-30kGy,得预辐照聚苯醚料;
步骤2、称取20份预辐照后的聚苯醚料与4份马来酸酐、2份硅烷偶联剂(KH-550)、5份纳米二氧化钛、2份过氧化苯甲酰、0.5份抗氧剂(BHA)一起投入搅拌机中高速搅拌混合均匀,随后一起投入双螺杆挤出机中挤出造粒,得接枝聚苯醚料;
步骤3、取步骤2制备的接枝聚苯醚23份、65份酚醛树脂及醋酸纤维素5份的一起投入适量氯仿中,升温至130℃,混合搅拌2h,随后降温至110℃,投入25份固化剂DDS,继续搅拌混合30min后将胶料保温并经真空脱泡处理,脱泡后的胶料倒入模具中,在180℃条件下使其完全固化即得。
有益效果:本发明制备的高冲击耐磨型纳米复合陶瓷材料,将纳米分子筛ZSM-11和铝矾土混合进行复配硅烷化处理再进行聚苯醚酚醛树脂有机改性,采用MgAl2O4与纳米分子筛材料构成骨架粒子,保证其在径向和轴向上都具有高的致密性和稳定性,利用沸石纳米材料的介孔结构,可以搭接改性树脂在上,对于膨润土和羟基磷灰石等材料的分散起到了良好的促进作用,,保持与体系内聚苯醚与介孔材料有良好的相容性,使得材料有良好的抗冲击性,同时降低陶瓷材料摩擦损失率,进一步提高材料的耐磨性。
具体实施方式
实施例1
一种高冲击耐磨型纳米复合陶瓷材料的制备方法,该方法包括以下步骤:
步骤1、将35份改性铝矾土/ZSM-11纳米材料、10份MgAl2O4、8份膨润土、14份氮化硼分散于200份无水乙醇,置于球磨机形成混合浆料,在烘箱中100℃的温度下烘干至恒重,得到干燥混合料;
步骤2、将上一步得到的恒重化合物干燥料先过100目标准筛使颗粒分散均匀,加入25份聚苯醚改性酚醛树脂、10份羟基磷灰石、5份甲基三乙酰氧基硅烷和4份十二胺基磺酸钠混合均匀,将混合料置于直径30mm模具中于100Mpa压力下压制成生坯,将生坯在研钵中压碎磨碎;
步骤3、将磨碎后的生坯置于高温炉中以4℃/min的速度升温至650℃,保温2h,然后以4℃/min的速度将高温炉的温度升至1250℃保温4h,然后以4℃/min的速度降温至800℃,降至800℃后设置为自然降温,最后将烧结好的陶瓷进行研磨抛光,得到表面平整光滑的陶瓷成品。
所述的改性铝矾土/ZSM-11纳米材料制备方法如下:
步骤1、取10份干燥后的铝矾土和15份ZSM-22沸石分子筛混合,然后加入45份丙三醇融合剂搅拌均匀,于300℃下油浴2h,室温下静置1h以上,在550℃煅烧5h,然后过滤、洗涤并干燥,得到铝矾土/SSZ-13纳米复合物;
步骤2、将14份γ-氨丙基三乙氧基硅烷和γ-缩水甘油醚氧丙基三甲氧基硅烷按3:4的比例投入甲醇溶液中,在60℃下搅拌反应2h,得到复配硅烷改性液;
步骤3、将上述的得到的复配硅烷改性液8份加入到15份铝矾土/SSZ-13纳米复合物中,在室温下搅拌24h,经过滤,甲醇和去离子水洗涤3次,在50℃真空干燥24h,制得改性铝矾土/ZSM-22纳米材料。
所述的聚苯醚改性酚醛树脂制备方法如下:
步骤1、先将聚苯醚粉料进行预辐照处理,辐照条件为:以电子加速器作为辐照源,在常温、常压、空气氛围下利用β射线进行照射处理,预辐照剂量范围为20-30kGy,得预辐照聚苯醚料;
步骤2、称取20份预辐照后的聚苯醚料与4份马来酸酐、2份硅烷偶联剂(KH-550)、5份纳米二氧化钛、2份过氧化苯甲酰、0.5份抗氧剂(BHA)一起投入搅拌机中高速搅拌混合均匀,随后一起投入双螺杆挤出机中挤出造粒,得接枝聚苯醚料;
步骤3、取步骤2制备的接枝聚苯醚23份、65份酚醛树脂及醋酸纤维素5份的一起投入适量氯仿中,升温至130℃,混合搅拌2h,随后降温至110℃,投入25份固化剂DDS,继续搅拌混合30min后将胶料保温并经真空脱泡处理,脱泡后的胶料倒入模具中,在180℃条件下使其完全固化即得。
实施例2
步骤1、将25份改性铝矾土/ZSM-11纳米材料、15份MgAl2O4、8份膨润土、14份氮化硼分散于200份无水乙醇,置于球磨机形成混合浆料,在烘箱中100℃的温度下烘干至恒重,得到干燥混合料;
步骤2、将上一步得到的恒重化合物干燥料先过100目标准筛使颗粒分散均匀,加入25份聚苯醚改性酚醛树脂、10份羟基磷灰石、5份甲基三乙酰氧基硅烷和4份十二胺基磺酸钠混合均匀,将混合料置于直径30mm模具中于100Mpa压力下压制成生坯,将生坯在研钵中压碎磨碎;
步骤3、将磨碎后的生坯置于高温炉中以4℃/min的速度升温至650℃,保温2h,然后以4℃/min的速度将高温炉的温度升至1250℃保温4h,然后以4℃/min的速度降温至800℃,降至800℃后设置为自然降温,最后将烧结好的陶瓷进行研磨抛光,得到表面平整光滑的陶瓷成品。
其余制备和实施例1相同。
实施例3
步骤1、将15份改性铝矾土/ZSM-11纳米材料、25份MgAl2O4、8份膨润土、14份氮化硼分散于200份无水乙醇,置于球磨机形成混合浆料,在烘箱中100℃的温度下烘干至恒重,得到干燥混合料;
步骤2、将上一步得到的恒重化合物干燥料先过100目标准筛使颗粒分散均匀,加入25份聚苯醚改性酚醛树脂、10份羟基磷灰石、5份甲基三乙酰氧基硅烷和4份十二胺基磺酸钠混合均匀,将混合料置于直径30mm模具中于100Mpa压力下压制成生坯,将生坯在研钵中压碎磨碎;
步骤3、将磨碎后的生坯置于高温炉中以4℃/min的速度升温至650℃,保温2h,然后以4℃/min的速度将高温炉的温度升至1250℃保温4h,然后以4℃/min的速度降温至800℃,降至800℃后设置为自然降温,最后将烧结好的陶瓷进行研磨抛光,得到表面平整光滑的陶瓷成品。
其余制备和实施例1相同。
实施例4
步骤1、将25份改性铝矾土/ZSM-11纳米材料、5份MgAl2O4、8份膨润土、14份氮化硼分散于200份无水乙醇,置于球磨机形成混合浆料,在烘箱中100℃的温度下烘干至恒重,得到干燥混合料;
步骤2、将上一步得到的恒重化合物干燥料先过100目标准筛使颗粒分散均匀,加入25份聚苯醚改性酚醛树脂、10份羟基磷灰石、5份甲基三乙酰氧基硅烷和4份十二胺基磺酸钠混合均匀,将混合料置于直径30mm模具中于100Mpa压力下压制成生坯,将生坯在研钵中压碎磨碎;
步骤3、将磨碎后的生坯置于高温炉中以4℃/min的速度升温至650℃,保温2h,然后以4℃/min的速度将高温炉的温度升至1250℃保温4h,然后以4℃/min的速度降温至800℃,降至800℃后设置为自然降温,最后将烧结好的陶瓷进行研磨抛光,得到表面平整光滑的陶瓷成品。
其余制备和实施例1相同。
实施例5
步骤1、将35份改性铝矾土/ZSM-11纳米材料、10份MgAl2O4、20份膨润土、7份氮化硼分散于200份无水乙醇,置于球磨机形成混合浆料,在烘箱中100℃的温度下烘干至恒重,得到干燥混合料;
步骤2、将上一步得到的恒重化合物干燥料先过100目标准筛使颗粒分散均匀,加入25份聚苯醚改性酚醛树脂、10份羟基磷灰石、5份甲基三乙酰氧基硅烷和4份十二胺基磺酸钠混合均匀,将混合料置于直径30mm模具中于100Mpa压力下压制成生坯,将生坯在研钵中压碎磨碎;
步骤3、将磨碎后的生坯置于高温炉中以4℃/min的速度升温至650℃,保温2h,然后以4℃/min的速度将高温炉的温度升至1250℃保温4h,然后以4℃/min的速度降温至800℃,降至800℃后设置为自然降温,最后将烧结好的陶瓷进行研磨抛光,得到表面平整光滑的陶瓷成品。
其余制备和实施例1相同。
实施例6
步骤1、将25份改性铝矾土/ZSM-11纳米材料、10份MgAl2O4、10份膨润土、10份氮化硼分散于200份无水乙醇,置于球磨机形成混合浆料,在烘箱中100℃的温度下烘干至恒重,得到干燥混合料;
步骤2、将上一步得到的恒重化合物干燥料先过100目标准筛使颗粒分散均匀,加入15份聚苯醚改性酚醛树脂、4份羟基磷灰石、5份甲基三乙酰氧基硅烷和4份十二胺基磺酸钠混合均匀,将混合料置于直径30mm模具中于100Mpa压力下压制成生坯,将生坯在研钵中压碎磨碎;
步骤3、将磨碎后的生坯置于高温炉中以4℃/min的速度升温至650℃,保温2h,然后以4℃/min的速度将高温炉的温度升至1250℃保温4h,然后以4℃/min的速度降温至800℃,降至800℃后设置为自然降温,最后将烧结好的陶瓷进行研磨抛光,得到表面平整光滑的陶瓷成品。
其余制备和实施例1相同。
实施例7
步骤1、将50份改性铝矾土/ZSM-11纳米材料、25份MgAl2O4、8份膨润土、14份氮化硼分散于200份无水乙醇,置于球磨机形成混合浆料,在烘箱中100℃的温度下烘干至恒重,得到干燥混合料;
步骤2、将上一步得到的恒重化合物干燥料先过100目标准筛使颗粒分散均匀,加入35份聚苯醚改性酚醛树脂、2份羟基磷灰石、1份甲基三乙酰氧基硅烷和4份十二胺基磺酸钠混合均匀,将混合料置于直径30mm模具中于100Mpa压力下压制成生坯,将生坯在研钵中压碎磨碎;
步骤3、将磨碎后的生坯置于高温炉中以4℃/min的速度升温至650℃,保温2h,然后以4℃/min的速度将高温炉的温度升至1250℃保温4h,然后以4℃/min的速度降温至800℃,降至800℃后设置为自然降温,最后将烧结好的陶瓷进行研磨抛光,得到表面平整光滑的陶瓷成品。
其余制备和实施例1相同。
实施例8
步骤1、将35份改性铝矾土/ZSM-11纳米材料、20份MgAl2O4、8份膨润土、14份氮化硼分散于200份无水乙醇,置于球磨机形成混合浆料,在烘箱中100℃的温度下烘干至恒重,得到干燥混合料;
步骤2、将上一步得到的恒重化合物干燥料先过100目标准筛使颗粒分散均匀,加入5份聚苯醚改性酚醛树脂、14份羟基磷灰石、3份甲基三乙酰氧基硅烷和4份十二胺基磺酸钠混合均匀,将混合料置于直径30mm模具中于100Mpa压力下压制成生坯,将生坯在研钵中压碎磨碎;
步骤3、将磨碎后的生坯置于高温炉中以4℃/min的速度升温至650℃,保温2h,然后以4℃/min的速度将高温炉的温度升至1250℃保温4h,然后以4℃/min的速度降温至800℃,降至800℃后设置为自然降温,最后将烧结好的陶瓷进行研磨抛光,得到表面平整光滑的陶瓷成品。
其余制备和实施例1相同。
实施例9
步骤1、将35份改性铝矾土/ZSM-11纳米材料、10份MgAl2O4、8份膨润土、14份氮化硼分散于200份无水乙醇,置于球磨机形成混合浆料,在烘箱中100℃的温度下烘干至恒重,得到干燥混合料;
步骤2、将上一步得到的恒重化合物干燥料先过100目标准筛使颗粒分散均匀,加入20份聚苯醚改性酚醛树脂、7份羟基磷灰石、3份甲基三乙酰氧基硅烷和1份十二胺基磺酸钠混合均匀,将混合料置于直径30mm模具中于100Mpa压力下压制成生坯,将生坯在研钵中压碎磨碎;
步骤3、将磨碎后的生坯置于高温炉中以4℃/min的速度升温至650℃,保温2h,然后以4℃/min的速度将高温炉的温度升至1250℃保温4h,然后以4℃/min的速度降温至800℃,降至800℃后设置为自然降温,最后将烧结好的陶瓷进行研磨抛光,得到表面平整光滑的陶瓷成品。
其余制备和实施例1相同。
实施例10
步骤1、将5份改性铝矾土/ZSM-11纳米材料、8份MgAl2O4、2份膨润土、6份氮化硼分散于200份无水乙醇,置于球磨机形成混合浆料,在烘箱中100℃的温度下烘干至恒重,得到干燥混合料;
步骤2、将上一步得到的恒重化合物干燥料先过100目标准筛使颗粒分散均匀,加入25份聚苯醚改性酚醛树脂、10份羟基磷灰石、5份甲基三乙酰氧基硅烷和4份十二胺基磺酸钠混合均匀,将混合料置于直径30mm模具中于100Mpa压力下压制成生坯,将生坯在研钵中压碎磨碎;
步骤3、将磨碎后的生坯置于高温炉中以4℃/min的速度升温至650℃,保温2h,然后以4℃/min的速度将高温炉的温度升至1250℃保温4h,然后以4℃/min的速度降温至800℃,降至800℃后设置为自然降温,最后将烧结好的陶瓷进行研磨抛光,得到表面平整光滑的陶瓷成品。
其余制备和实施例1相同。
实施例11
步骤1、将35份改性铝矾土/ZSM-11纳米材料、6份改性石墨烯、10份MgAl2O4、8份膨润土、14份氮化硼分散于200份无水乙醇,置于球磨机形成混合浆料,在烘箱中100℃的温度下烘干至恒重,得到干燥混合料;
步骤2、将上一步得到的恒重化合物干燥料先过100目标准筛使颗粒分散均匀,加入25份聚苯醚改性酚醛树脂、10份羟基磷灰石、5份甲基三乙酰氧基硅烷和4份十二胺基磺酸钠混合均匀,将混合料置于直径30mm模具中于100Mpa压力下压制成生坯,将生坯在研钵中压碎磨碎;
步骤3、将磨碎后的生坯置于高温炉中以4℃/min的速度升温至650℃,保温2h,然后以4℃/min的速度将高温炉的温度升至1250℃保温4h,然后以4℃/min的速度降温至800℃,降至800℃后设置为自然降温,最后将烧结好的陶瓷进行研磨抛光,得到表面平整光滑的陶瓷成品。
所述的改性石墨烯制备方法如下:
将石墨烯置于丙酮溶液中浸泡12h,过滤,去离子水洗涤3次,120℃鼓风干燥机中干燥4h,用60%硝酸回流氧化石墨烯7h,过滤,去离子水洗涤PH=6,于120℃鼓风干燥机中干燥至恒重;将硝酸氧化的石墨烯置于聚乙烯吡咯烷酮、十二烷基硫酸钠及相当于其总重量份的12倍的去离子水配置的溶液中,超声50min,60℃干燥,得到表面改性的石墨烯。
对照例1
与实施例1不同点在于:改性铝矾土/ZSM-11纳米材料制备的步骤1中,取25份干燥后的铝矾土和5份ZSM-22沸石分子筛混合,其余步骤与实施例1完全相同。
对照例2
与实施例1不同点在于:改性铝矾土/ZSM-11纳米材料制备的步骤1中,取5份干燥后的铝矾土和30份ZSM-22沸石分子筛混合,其余步骤与实施例1完全相同。
对照例3
与实施例1不同点在于:改性铝矾土/ZSM-11纳米材料制备的步骤2中,将14份γ-氨丙基三乙氧基硅烷和γ-缩水甘油醚氧丙基三甲氧基硅烷按1:4的比例投入甲醇溶液中,其余步骤与实施例1完全相同。
对照例4
与实施例1不同点在于:改性铝矾土/ZSM-11纳米材料制备的步骤2中,将14份γ-氨丙基三乙氧基硅烷和γ-缩水甘油醚氧丙基三甲氧基硅烷按4:1的比例投入甲醇溶液中,其余步骤与实施例1完全相同。
对照例5
与实施例1不同点在于:改性铝矾土/ZSM-11纳米材料制备的步骤3中,将上述的得到的复配硅烷改性液3份加入到15份铝矾土/SSZ-13纳米复合物中,其余步骤与实施例1完全相同。
对照例6
与实施例1不同点在于:改性铝矾土/ZSM-11纳米材料制备的步骤3中,将上述的得到的复配硅烷改性液:20份加入到4份铝矾土/SSZ-13纳米复合物中,其余步骤与实施例1完全相同。
对照例7
与实施例1不同点在于:聚苯醚改性酚醛树脂的步骤2中,30份预辐照后的聚苯醚料与8份马来酸酐、12份硅烷偶联剂(KH-550)、15份纳米二氧化钛、2份过氧化苯甲酰、0.5份抗氧剂(BHA)一起投入搅拌机中高速搅拌混合均匀,其余步骤与实施例1完全相同。
对照例8
与实施例1不同点在于::聚苯醚改性酚醛树脂的步骤2中,10份预辐照后的聚苯醚料与10份马来酸酐、8份硅烷偶联剂(KH-550)、4份纳米二氧化钛、2份过氧化苯甲酰、0.5份抗氧剂(BHA)一起投入搅拌机中高速搅拌混合均匀,其余步骤与实施例1完全相同。
对照例9
与实施例1不同点在于:聚苯醚改性酚醛树脂制备的步骤3中,取步骤2制备的接枝聚苯醚13份、45份酚醛树脂及醋酸纤维素3份的一起投入适量氯仿中,其余步骤与实施例1完全相同。
对照例10
与实施例1不同点在于:聚苯醚改性酚醛树脂制备的步骤3中,取步骤2制备的接枝聚苯醚33份、25份酚醛树脂及醋酸纤维素10份一起投入适量氯仿中,其余步骤与实施例1完全相同。
选取制备得到的抗冲击耐磨型纳米陶瓷材料分别进行性能检测,依据无釉面陶瓷砖国家标准GB/T3810.6—2006进行耐摩擦深度试验,通过磨擦损失率表示陶瓷砖耐磨擦性能;
测试结果
实验结果表明本发明提供的抗冲击耐磨纳米陶瓷纳米复合材料具有良好的耐磨效果,材料在标准测试条件下,机械强度一定,摩擦损失率越低,说明耐磨效果越好,反之,效果越差;实施例1到实施例10,分别改变耐磨陶瓷纳米复合材料中各个原料组成的配比,对材料的耐磨性能均有不同程度的影响,在改性铝矾土/ZSM-11纳米材料和MgAl2O4质量配比为7:2,其他配料用量固定时,耐磨效果最好;值得注意的是实施例11加入改性石墨烯,耐磨效果明显提高,说明改性石墨烯对陶瓷填料结构的耐磨性能有更好的优化作用;对照例1至对照例4变改性铝矾土/ZSM-11纳米材料制备的铝矾土和沸石分子筛配比,摩擦损失率明显提高,说明铝矾土用量对分子筛材料的改性产生重要影响;对照例5到对照例6改变复配硅烷改性液的投入比例,效果也不好,说明硅烷改性液的用量对铝矾土/ZSM-11复合材料改性有重要作用;对照例7到例10改变了聚苯醚酚醛树脂聚合改性原料的配比,耐磨效果明显降低,说明聚苯醚料、马来酸酐和接枝聚苯醚用量对陶瓷填料结构的复合改性影响很大;因此使用本发明制备的抗冲击纳米陶瓷复合材料具有良好的耐磨效果。
Claims (3)
1.一种高冲击耐磨型纳米复合陶瓷材料的制备方法,其特征在于该方法包括以下步骤:
步骤1、将35份改性铝矾土/ZSM-11纳米材料、10份MgAl2O4、8份膨润土、14份氮化硼分散于200份无水乙醇,置于球磨机形成混合浆料,在烘箱中100℃的温度下烘干至恒重,得到干燥混合料;
步骤2、将上一步得到的恒重化合物干燥料先过100目标准筛使颗粒分散均匀,加入25份聚苯醚改性酚醛树脂、10份羟基磷灰石、5份甲基三乙酰氧基硅烷和4份十二胺基磺酸钠混合均匀,将混合料置于直径30mm模具中于100Mpa压力下压制成生坯,将生坯在研钵中压碎磨碎;
步骤3、将磨碎后的生坯置于高温炉中以4℃/min的速度升温至650℃,保温2h,然后以4℃/min的速度将高温炉的温度升至1250℃左右,保温4h,然后以4℃/min的速度降温至800℃,降至800℃后设置为自然降温,最后将烧结好的陶瓷进行研磨抛光,得到表面平整光滑的陶瓷成品。
2.根据权利要求1所述一种高冲击耐磨型纳米复合陶瓷材料的制备方法,其特征在于所述,
所述的改性铝矾土/ZSM-11纳米材料制备方法如下:
步骤1、取10份干燥后的铝矾土和15份ZSM-22沸石分子筛混合,然后加入45份丙三醇融合剂搅拌均匀,于300℃下油浴2h,室温下静置1h以上,在550℃煅烧5h,然后过滤、洗涤并干燥,得到铝矾土/SSZ-13纳米复合物;
步骤2、将14份γ-氨丙基三乙氧基硅烷和γ-缩水甘油醚氧丙基三甲氧基硅烷按3:4的比例投入甲醇溶液中,在60℃下搅拌反应2h,得到复配硅烷改性液;
步骤3、将上述的得到的复配硅烷改性液8份加入到15份铝矾土/SSZ-13纳米复合物中,在室温下搅拌24h,经过滤,甲醇和去离子水洗涤3次,在50℃真空干燥24h,制得改性铝矾土/ZSM-22纳米材料。
3.所述的聚苯醚改性酚醛树脂制备方法如下:
步骤1、先将聚苯醚粉料进行预辐照处理,辐照条件为:以电子加速器作为辐照源,在常温、常压、空气氛围下利用β射线进行照射处理,预辐照剂量范围为20-30kGy,得预辐照聚苯醚料;
步骤2、称取20份预辐照后的聚苯醚料与4份马来酸酐、2份硅烷偶联剂(KH-550)、5份纳米二氧化钛、2份过氧化苯甲酰、0.5份抗氧剂(BHA)一起投入搅拌机中高速搅拌混合均匀,随后一起投入双螺杆挤出机中挤出造粒,得接枝聚苯醚料;
步骤3、取步骤2制备的接枝聚苯醚23份、65份酚醛树脂及醋酸纤维素5份的一起投入适量氯仿中,升温至130℃,混合搅拌2h,随后降温至110℃,投入25份固化剂DDS,继续搅拌混合30min后将胶料保温并经真空脱泡处理,脱泡后的胶料倒入模具中,在180℃条件下使其完全固化即得。
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