CN107986750A - 一种生物陶瓷材料及制备方法 - Google Patents
一种生物陶瓷材料及制备方法 Download PDFInfo
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Abstract
本发明属于生物材料技术领域,提供了一种生物陶瓷材料及制备方法,所述生物陶瓷材料包括如下组分:凹凸棒黏土粉、麦饭石粉、负离子粉、磷酸三钙、氟基磷灰石、生物玻璃、纳米氧化钨、羟基磷灰石粉、氧化硅、水。其中,磷酸三钙使该生物陶瓷材料具有良好的生物相容性、生物活性以及生物降解性,氟基磷灰石使该生物陶瓷釉具有优良的生物相容性和生物活性,有益健康。此外,还加入凹凸棒黏土粉、麦饭石粉、负离子粉、生物玻璃、纳米氧化钨、羟基磷灰石粉、氧化硅,以此提高生物陶瓷材料的硬度、弯曲模量、压缩强度和弯曲强度等性能。
Description
技术领域
本发明属于生物材料技术领域,具体地,涉及一种生物陶瓷材料及制备方法。
背景技术
生物陶瓷指与生物体或生物化学有关的新型陶瓷。生物陶瓷可分为与生物体相关的植入陶瓷和与生物化学相关的生物工艺学陶瓷。植入陶瓷植入生物体内,用以恢复增强生物体机能。由于植入陶瓷直接与生物体接触,故要求其与生物体的亲和性好,不产生有毒的侵蚀、分解产物;不使生物细胞发生变异、坏死,以及引起炎症和生长肉芽等;在体内长期使用功能好,对生物体无致癌作用,本身不发生变质;易于灭菌。常用的植入陶瓷有氧化铝陶瓷和单晶氧化铝、磷酸钙系陶瓷、微晶玻璃、氧化锆烧结体等,它们在临床上用作人造牙、人造骨、人造心脏瓣膜、人造血管和其他医用人造气管穿皮接头等。
目前常见的生物陶瓷材料的相容性性能较差,导致与生物体的亲和性差,产生有毒的侵蚀、分解产物,以致引起炎症和生长肉芽等,降低生物体机能。因此,需要研发一种相容性较好的生物陶瓷材料。
发明内容
针对现有技术中的缺陷,本发明的目的是提供一种生物陶瓷材料及制备方法。
根据本发明的一个方面提供一种生物陶瓷材料,所述生物陶瓷材料包括如下重量份数的组分:凹凸棒黏土粉5-13份、麦饭石粉6-11份、负离子粉2-9份、磷酸三钙4-11份、氟基磷灰石2-6份、生物玻璃2-10份、纳米氧化钨3-7份、羟基磷灰石粉5-19份、氧化硅1-4份、水2-6份。
优选地,所述生物陶瓷材料包括如下重量份数的组分:凹凸棒黏土粉5-12份、麦饭石粉7-11份、负离子粉2-7份、磷酸三钙6-11份、氟基磷灰石3-6份、生物玻璃4-10份、纳米氧化钨4-7份、羟基磷灰石粉7-19份、氧化硅2-4份、水3-6份。
优选地,所述生物陶瓷材料包括如下重量份数的组分:凹凸棒黏土粉7份、麦饭石粉8份、负离子粉5份、磷酸三钙8份、氟基磷灰石4份、生物玻璃8份、纳米氧化钨6份、羟基磷灰石粉11份、氧化硅3份、水4份。
优选地,所述磷酸三钙经过如下工序处理:
(1)将磷酸三钙和陶瓷坯料混合,以湿法球磨的方式混磨均匀得到浆料;
(2)将步骤(1)所得浆料过筛、烘干,研磨成粉末,再过筛、干压成型、保压,制得陶瓷生坯;
(3)将所述陶瓷生坯于窑炉内烧制,即可。
优选地,所述步骤(1)中磷酸三钙的掺入量占磷酸三钙和陶瓷坯料总质量的6-12%。
优选地,所述氟基磷灰石经过如下处理:向氟基磷灰石中加入粘土质,混合搅拌,其中,氟基磷灰石和粘土质的质量比为8-11:1。
本发明的另一个方面提供一种生物陶瓷材料的制备方法,所述制备方法包括如下步骤:
所述制备方法具体包括如下步骤:
(1)按重量称量凹凸棒黏土粉、麦饭石粉、负离子粉、磷酸三钙、氟基磷灰石、生物玻璃、纳米氧化钨、羟基磷灰石粉、氧化硅、水,混合搅拌,得混合物;
(2)将步骤(1)混合物装入模具中压实,采用冷等静压在油介质中压制成型,压强为150-200MPa,保持荷载 6-10h后取出陶瓷坯体,然后对陶瓷坯体进行高温烧结,以石墨作为辅助材料进行填埋烧结,烧结温度为1150-1200℃,升温速率为9℃/min,保温5-10h,样品随炉冷却,再用去离子水超声清洗后烘干,得陶瓷初成品;
(3)将陶瓷初成品浸泡在去离子水中,静置过夜;
(4)取出浸泡后的陶瓷初成品,并用上述浸泡过试样的去离子水浸润纱布,再
用该纱布包裹陶瓷初成品,然后经高温高压水蒸气处理,冷却至室后取出,烘干,即可。
优选地,所述高温高压水蒸汽处理的温度为130-150℃,压强为0.15-0.4MPa,处理时间为30-180min。
与现有技术相比,本发明具有如下的有益效果:
1、本发明提供的一种生物陶瓷材料,针对现有生物陶瓷材料相容性差的不足,本发明对生物陶瓷材料配方进行调整,配方中主要加入磷酸三钙、氟基磷灰石,其中,磷酸三钙使该生物陶瓷材料具有良好的生物相容性、生物活性以及生物降解性,氟基磷灰石使该生物陶瓷釉具有优良的生物相容性和生物活性,有益健康。此外,还加入凹凸棒黏土粉、麦饭石粉、负离子粉、生物玻璃、纳米氧化钨、羟基磷灰石粉、氧化硅,以此提高生物陶瓷材料的硬度、弯曲模量、压缩强度和弯曲强度等性能。
2、本发明提供的一种生物陶瓷材料,该生物陶瓷材料配发配方中加入生物玻璃,它能与组织直接结合,起到修复组织、恢复其功能的作用,进而提高生物陶瓷材料的相容性。
3、本发明提供的一种生物陶瓷材料,该生物陶瓷材料配发配方中加入负离子粉,负离子粉消除人体疲劳、促进人体健康的作用。此外,负离子粉还具有抑菌、除菌作用,使得制备的生物陶瓷材料具有抑菌、除菌、消炎的作用,进而提高了材料的相容性。
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。
实施例1
本实施例提供的一种生物陶瓷材料,所述生物陶瓷材料包括如下重量份数的组分:凹凸棒黏土粉13份、麦饭石粉6份、负离子粉9份、磷酸三钙4份、氟基磷灰石6份、生物玻璃2份、纳米氧化钨7份、羟基磷灰石粉5份、氧化硅4份、水2份。
作为优选方案,所述磷酸三钙经过如下工序处理:
(1)将磷酸三钙和陶瓷坯料混合,以湿法球磨的方式混磨均匀得到浆料;
(2)将步骤(1)所得浆料过筛、烘干,研磨成粉末,再过筛、干压成型、保压,制得陶瓷生坯;
(3)将所述陶瓷生坯于窑炉内烧制,即可。
作为优选方案,所述步骤(1)中磷酸三钙的掺入量占磷酸三钙和陶瓷坯料总质量的12%。
作为优选方案,所述氟基磷灰石经过如下处理:向氟基磷灰石中加入粘土质,混合搅拌,其中,氟基磷灰石和粘土质的质量比为11:1。
本发明的另一个方面提供一种生物陶瓷材料的制备方法,所述制备方法包括如下步骤:
所述制备方法具体包括如下步骤:
(1)按重量称量凹凸棒黏土粉、麦饭石粉、负离子粉、磷酸三钙、氟基磷灰石、生物玻璃、纳米氧化钨、羟基磷灰石粉、氧化硅、水,混合搅拌,得混合物;
(2)将步骤(1)混合物装入模具中压实,采用冷等静压在油介质中压制成型,压强为200MPa,保持荷载 6h后取出陶瓷坯体,然后对陶瓷坯体进行高温烧结,以石墨作为辅助材料进行填埋烧结,烧结温度为1200℃,升温速率为9℃/min,保温5h,样品随炉冷却,再用去离子水超声清洗后烘干,得陶瓷初成品;
(3)将陶瓷初成品浸泡在去离子水中,静置过夜;
(4)取出浸泡后的陶瓷初成品,并用上述浸泡过试样的去离子水浸润纱布,再
用该纱布包裹陶瓷初成品,然后经高温高压水蒸气处理,冷却至室后取出,烘干,即可。
作为优选方案,所述高温高压水蒸汽处理的温度为150℃,压强为0.15MPa,处理时间为180min。
实施例2
本实施例提供的一种生物陶瓷材料,所述生物陶瓷材料包括如下重量份数的组分:凹凸棒黏土粉5份、麦饭石粉11份、负离子粉2份、磷酸三钙11份、氟基磷灰石3份、生物玻璃10份、纳米氧化钨4份、羟基磷灰石粉19份、氧化硅2份、水6份。
作为优选方案,所述磷酸三钙经过如下工序处理:
(1)将磷酸三钙和陶瓷坯料混合,以湿法球磨的方式混磨均匀得到浆料;
(2)将步骤(1)所得浆料过筛、烘干,研磨成粉末,再过筛、干压成型、保压,制得陶瓷生坯;
(3)将所述陶瓷生坯于窑炉内烧制,即可。
作为优选方案,所述步骤(1)中磷酸三钙的掺入量占磷酸三钙和陶瓷坯料总质量的6%。
作为优选方案,所述氟基磷灰石经过如下处理:向氟基磷灰石中加入粘土质,混合搅拌,其中,氟基磷灰石和粘土质的质量比为8:1。
本发明的另一个方面提供一种生物陶瓷材料的制备方法,所述制备方法包括如下步骤:
所述制备方法具体包括如下步骤:
(1)按重量称量凹凸棒黏土粉、麦饭石粉、负离子粉、磷酸三钙、氟基磷灰石、生物玻璃、纳米氧化钨、羟基磷灰石粉、氧化硅、水,混合搅拌,得混合物;
(2)将步骤(1)混合物装入模具中压实,采用冷等静压在油介质中压制成型,压强为150MPa,保持荷载 10h后取出陶瓷坯体,然后对陶瓷坯体进行高温烧结,以石墨作为辅助材料进行填埋烧结,烧结温度为1150℃,升温速率为9℃/min,保温10h,样品随炉冷却,再用去离子水超声清洗后烘干,得陶瓷初成品;
(3)将陶瓷初成品浸泡在去离子水中,静置过夜;
(4)取出浸泡后的陶瓷初成品,并用上述浸泡过试样的去离子水浸润纱布,再
用该纱布包裹陶瓷初成品,然后经高温高压水蒸气处理,冷却至室后取出,烘干,即可。
作为优选方案,所述高温高压水蒸汽处理的温度为130℃,压强为0.4MPa,处理时间为30min。
实施例3
本实施例提供的一种生物陶瓷材料,所述生物陶瓷材料包括如下重量份数的组分:凹凸棒黏土粉7份、麦饭石粉8份、负离子粉5份、磷酸三钙8份、氟基磷灰石4份、生物玻璃8份、纳米氧化钨6份、羟基磷灰石粉11份、氧化硅3份、水4份。
作为优选方案,所述磷酸三钙经过如下工序处理:
(1)将磷酸三钙和陶瓷坯料混合,以湿法球磨的方式混磨均匀得到浆料;
(2)将步骤(1)所得浆料过筛、烘干,研磨成粉末,再过筛、干压成型、保压,制得陶瓷生坯;
(3)将所述陶瓷生坯于窑炉内烧制,即可。
作为优选方案,所述步骤(1)中磷酸三钙的掺入量占磷酸三钙和陶瓷坯料总质量的8%。
作为优选方案,所述氟基磷灰石经过如下处理:向氟基磷灰石中加入粘土质,混合搅拌,其中,氟基磷灰石和粘土质的质量比为9:1。
本发明的另一个方面提供一种生物陶瓷材料的制备方法,所述制备方法包括如下步骤:
所述制备方法具体包括如下步骤:
(1)按重量称量凹凸棒黏土粉、麦饭石粉、负离子粉、磷酸三钙、氟基磷灰石、生物玻璃、纳米氧化钨、羟基磷灰石粉、氧化硅、水,混合搅拌,得混合物;
(2)将步骤(1)混合物装入模具中压实,采用冷等静压在油介质中压制成型,压强为170MPa,保持荷载 8h后取出陶瓷坯体,然后对陶瓷坯体进行高温烧结,以石墨作为辅助材料进行填埋烧结,烧结温度为1180℃,升温速率为9℃/min,保温7h,样品随炉冷却,再用去离子水超声清洗后烘干,得陶瓷初成品;
(3)将陶瓷初成品浸泡在去离子水中,静置过夜;
(4)取出浸泡后的陶瓷初成品,并用上述浸泡过试样的去离子水浸润纱布,再
用该纱布包裹陶瓷初成品,然后经高温高压水蒸气处理,冷却至室后取出,烘干,即可。
作为优选方案,所述高温高压水蒸汽处理的温度为140℃,压强为0.3MPa,处理时间为70min。
以上对本发明的具体实施例进行了描述。需要理解的是,本发明并不局限于上述特定实施方式,本领域技术人员可以在权利要求的范围内做出各种变形或修改,这并不影响本发明的实质内容。
Claims (8)
1.一种生物陶瓷材料,其特征在于:所述生物陶瓷材料包括如下重量份数的组分:凹凸棒黏土粉5-13份、麦饭石粉6-11份、负离子粉2-9份、磷酸三钙4-11份、氟基磷灰石2-6份、生物玻璃2-10份、纳米氧化钨3-7份、羟基磷灰石粉5-19份、氧化硅1-4份、水2-6份。
2.根据权利要求1所述的生物陶瓷材料,其特征在于:所述生物陶瓷材料包括如下重量份数的组分:凹凸棒黏土粉5-12份、麦饭石粉7-11份、负离子粉2-7份、磷酸三钙6-11份、氟基磷灰石3-6份、生物玻璃4-10份、纳米氧化钨4-7份、羟基磷灰石粉7-19份、氧化硅2-4份、水3-6份。
3.根据权利要求1所述的生物陶瓷材料,其特征在于:所述生物陶瓷材料包括如下重量份数的组分:凹凸棒黏土粉7份、麦饭石粉8份、负离子粉5份、磷酸三钙8份、氟基磷灰石4份、生物玻璃8份、纳米氧化钨6份、羟基磷灰石粉11份、氧化硅3份、水4份。
4.根据权利要求1所述的生物陶瓷材料,其特征在于:所述磷酸三钙经过如下工序处理:
(1)将磷酸三钙和陶瓷坯料混合,以湿法球磨的方式混磨均匀得到浆料;
(2)将步骤(1)所得浆料过筛、烘干,研磨成粉末,再过筛、干压成型、保压,制得陶瓷生坯;
(3)将所述陶瓷生坯于窑炉内烧制,即可。
5.根据权利要求4所述的生物陶瓷材料,其特征在于:所述步骤(1)中磷酸三钙的掺入量占磷酸三钙和陶瓷坯料总质量的6-12%。
6.根据权利要求1所述的生物陶瓷材料,其特征在于:所述氟基磷灰石经过如下处理:向氟基磷灰石中加入粘土质,混合搅拌,其中,氟基磷灰石和粘土质的质量比为8-11:1。
7.根据权利要求1-6任一项所述的生物陶瓷材料的制备方法,其特征在于:所述制备方法具体包括如下步骤:
(1)按重量称量凹凸棒黏土粉、麦饭石粉、负离子粉、磷酸三钙、氟基磷灰石、生物玻璃、纳米氧化钨、羟基磷灰石粉、氧化硅、水,混合搅拌,得混合物;
(2)将步骤(1)混合物装入模具中压实,采用冷等静压在油介质中压制成型,压强为150-200MPa,保持荷载 6-10h后取出陶瓷坯体,然后对陶瓷坯体进行高温烧结,以石墨作为辅助材料进行填埋烧结,烧结温度为1150-1200℃,升温速率为9℃/min,保温5-10h,样品随炉冷却,再用去离子水超声清洗后烘干,得陶瓷初成品;
(3)将陶瓷初成品浸泡在去离子水中,静置过夜;
(4)取出浸泡后的陶瓷初成品,并用上述浸泡过试样的去离子水浸润纱布,再
用该纱布包裹陶瓷初成品,然后经高温高压水蒸气处理,冷却至室后取出,烘干,即可。
8.根据权利要求7所述的生物陶瓷材料,其特征在于:所述高温高压水蒸汽处理的温度为130-150℃,压强为0.15-0.4MPa,处理时间为30-180min。
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