Effect of Water-soluble Epoxy Resin on Microstructure and Properties of Porous Alumina Ceramics by Gel-casting
Source abstract
Abstract
以异丁烯和马来酸酐共聚物(PIBM)为分散剂和凝胶剂, 同时添加两种表面活性剂, 通过机械发泡和注凝成型工艺制备高气孔率Al 2 O 3 泡沫陶瓷, 并研究了DE211环氧树脂对Al 2 O 3 泡沫陶瓷结构和性能的影响。结果表明, 该工艺能够制备气孔率达92.4%的Al 2 O 3 泡沫陶瓷。随着DE211环氧树脂的加入, 泡沫陶瓷的气孔率略有降低, 抗压强度由0.5 MPa提高到3 MPa, 平均气孔尺寸由582 μm下降到331 μm, 孔壁塌陷少。这归因于DE211环氧树脂的环氧基能够与PIBM的酸酐发生反应, 加快凝胶固化速度, 从而有利于稳定泡沫结构。
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Advanced ceramic materials synthesis · Anodic Oxide Films and Nanostructures · Aerogels and thermal insulation
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