首页|植物纤维/蒙脱土/橡胶发泡复合材料微孔结构的研究

植物纤维/蒙脱土/橡胶发泡复合材料微孔结构的研究

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利用天然胶乳、植物纤维、蒙脱土等经过发泡工艺制备橡胶发泡复合材料,并利用扫描电镜对微孔结构进行观察.结果表明:经微波处理后的植物纤雏形成了大量微隙与孔洞,比表面积显著增大.在天然胶乳中纤维与橡胶基体相容性良好,形成了模糊的纤维网骨架支撑结构.蒙脱土作为成核剂使橡胶发泡复合材料泡孔数量增多,孔径变小.同时加入植物纤维和蒙脱土既增加了泡孔数量,使孔径变小,又形成纤维网骨架支撑结构.层状结构蒙脱土均匀吸附于纤维网骨架结构上.使孔表面光滑,增加了纤维与橡胶基体间粘合.
Study on the microstructure of plant fiber/MMT/NR foaming composites
The micro structure of the microwave treated plant fiber and natural rubber(NR) foam composites as well as the morphology and distribution of the foam cell were investigated with SEM. The results show that the plant fiber forms an uniform pore structure after microwave treating. The morphology and the distribution of cell structure of the composite are effected by plant fiber and montmorillnate added. The plant fiber bonds well to the rubber matrix and forma special network structure. Furthermore, the microcellular surface of the foam becomes mote smooth because of the adding of montmorillnate. It also indicates that the optimal cell structure can be achieved by adding these two additives simultaneously. The micro structure of the microwave treated plant fiber and natural rubber(NR) foam composites as well as the morphology and distribution of the foam cell were investigated with SEM. The results show that the plant fiber forms an uniform pore structure after microwave treating. The morphology and the distribution of cell structure of the composite are effected by plant fiber and montmorillnate added. The plant fiber bonds well to the rubber matrix and forma special network structure. Furthermore, the microcellular surface of the foam becomes mote smooth because of the adding of montmorillnate. It also indicates that the optimal cell structure can be achieved by adding these two additives simultaneously.

natural rubberplant fibermontmorillnatefoam composite cell structure

未友国、敖宁建、张渊明

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暨南大学化学系,广东,广州,510632

暨南大学生物医学工程研究所,广东,广州,510632

天然胶乳 植物纤维 蒙脱土 泡孔结构

2008

电子显微学报
中国物理学会

电子显微学报

CSTPCDCSCD北大核心
影响因子:0.431
ISSN:1000-6281
年,卷(期):2008.27(5)
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