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本发明属于纳米材料技术领域,具体涉及一种纳米碳纤维和碳纳米管改性碳纤维/双马来酰亚胺树脂多维混杂复合材料的制备方法。本发明将碳纳米管、纳米碳纤维和碳纤维经过表面羧基化、酰氯化后,再在其上引入二元胺或多元胺,将接有此胺基的碳纳米管与双马来酰亚胺树脂进行Michael加成反应,以得到含有碳纳米管的双马来酰亚胺树
The present invention belongs to the technical field of nanomaterials, in particular to a method for preparing a multi-dimensional hybrid composite material of carbon nanofibers and carbon nanotubes modified carbon fiber / bismaleimide resin. In the invention, the carbon nanotubes, the carbon nanofibers and the carbon fibers are carboxylated on the surface, and after the acid chloride is chlorinated, the diamine or the polyamine is introduced onto the carbon nanotubes, the carbon nanotubes connected with the amino groups and the bismaleimide resin Michael addition reaction was performed to obtain a bismaleimide tree containing carbon nanotubes