Novel high-strength biocomposites based on microfibrillated cellulose having nano-order-unit web-like network structure
Novel high-strength biocomposites based on microfibrillated cellulose having nano-order-unit web-like network structure
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DOI：
10.1007/s00339-003-2225-2
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发表时间：
2005-01-01
影响因子：
2.7
通讯作者：
Yano, H
中科院分区：
文献类型：
--
作者：
Nakagaito, AN;Yano, H
以硫酸盐纸浆为原料，制备了一种全新的高强度复合材料。由于纳米级互连原纤维和微原纤维的独特结构在MFC的表面积上大大扩展，因此有可能生产出利用微原纤维极高强度的复合材料。以酚醛树脂为粘结剂的复合材料的杨氏模量(E)和抗弯强度（sigma(b)）分别达到19 GPa和370 MPa，密度为1.45 g/cm(2)，表现出植物纤维基复合材料出色的机械性能。
A completely new kind of high-strength composite was manufactured using microfibrillated cellulose (MFC) derived from kraft pulp. Because of the unique structure of nano-order-scale interconnected fibrils and microfibrils greatly expanded in the surface area that characterizes MFC, it was possible to produce composites that exploit the extremely high strength of microfibrils. The Young's modulus ( E) and bending strength (sigma(b)) of composites using phenolic resin as binder achieved values up to 19 GPa and 370 MPa, respectively, with a density of 1.45 g/cm(2), exhibiting outstanding mechanical properties for a plant-fiber-based composite.