用硅烷和钛酸酯偶联剂对 Ba Ti O3粉进行了表面处理 ,使用溶剂法制备了 PVDF/Ba Ti O3复合薄膜。通过疏水亲油实验定性地分析了硅烷和钛酸酯偶联剂对 Ba Ti O3粉的偶联作用可以改善 PVDF/Ba-Ti O3的界面结合 ,通过测定 PVDF/Ba Ti O3的...用硅烷和钛酸酯偶联剂对 Ba Ti O3粉进行了表面处理 ,使用溶剂法制备了 PVDF/Ba Ti O3复合薄膜。通过疏水亲油实验定性地分析了硅烷和钛酸酯偶联剂对 Ba Ti O3粉的偶联作用可以改善 PVDF/Ba-Ti O3的界面结合 ,通过测定 PVDF/Ba Ti O3的介电常数和介电损耗角正切值表征了复合材料的介电性能 ,PVDF/Ba Ti O3扫描电子显微镜 (SEM)的微观形态分析发现 ,经过偶联剂表面处理 ,Ba Ti O3粉在PVDF中的分散情况改善 。展开更多
研究了在 Ba Ti O3水浆料中通过加入丙烯酰胺有机单体原位聚合形成聚丙烯酰胺的过程制备厚膜。生坯的柔韧性通过加入丙三醇作为增塑剂加以改善。实验结果表明 ,由于所制备浆料的均匀性好 ,这种由原位聚合形成的厚膜显微结构均匀 ,电性...研究了在 Ba Ti O3水浆料中通过加入丙烯酰胺有机单体原位聚合形成聚丙烯酰胺的过程制备厚膜。生坯的柔韧性通过加入丙三醇作为增塑剂加以改善。实验结果表明 ,由于所制备浆料的均匀性好 ,这种由原位聚合形成的厚膜显微结构均匀 ,电性能优良。展开更多
The barium titanate nanowires of complex oxide were fabricated in porous anodic aluminum oxide(AAO)using sol-gel process.The morphology,structure and phase composition of AAO and BaTiO3 nanowires were characterized by...The barium titanate nanowires of complex oxide were fabricated in porous anodic aluminum oxide(AAO)using sol-gel process.The morphology,structure and phase composition of AAO and BaTiO3 nanowires were characterized by Scanning electron microscope(SEM),Transmission electron microscope(TEM),X-ray diffraction(XRD),and other means.Through the analysis of degradation for Rhodamine B,its photocatalytic properties could be researched,and compared with barium titanate powder,the results show that the barium titanate nanowires have good photocatalytic activity.展开更多
文摘用硅烷和钛酸酯偶联剂对 Ba Ti O3粉进行了表面处理 ,使用溶剂法制备了 PVDF/Ba Ti O3复合薄膜。通过疏水亲油实验定性地分析了硅烷和钛酸酯偶联剂对 Ba Ti O3粉的偶联作用可以改善 PVDF/Ba-Ti O3的界面结合 ,通过测定 PVDF/Ba Ti O3的介电常数和介电损耗角正切值表征了复合材料的介电性能 ,PVDF/Ba Ti O3扫描电子显微镜 (SEM)的微观形态分析发现 ,经过偶联剂表面处理 ,Ba Ti O3粉在PVDF中的分散情况改善 。
文摘The barium titanate nanowires of complex oxide were fabricated in porous anodic aluminum oxide(AAO)using sol-gel process.The morphology,structure and phase composition of AAO and BaTiO3 nanowires were characterized by Scanning electron microscope(SEM),Transmission electron microscope(TEM),X-ray diffraction(XRD),and other means.Through the analysis of degradation for Rhodamine B,its photocatalytic properties could be researched,and compared with barium titanate powder,the results show that the barium titanate nanowires have good photocatalytic activity.
