螺旋碳纤维是一种新型仿生碳材料,因为有类似脱氧核糖核酸(DNA)的三维双螺旋结构,所以具有一些特殊的性能。热塑性聚氨酯兼具塑料和橡胶的优点,是绿色环保、性能优异的高分子材料。以热塑性聚氨酯作为基体材料,新型碳材料螺旋碳纤维作为共混填充物,采用溶液共混法制备聚氨酯基螺旋碳纤维复合材料。通过金相显微镜和拉力试验机对制备的复合材料进行结构表征及拉伸强度、断裂伸长率测试,结果表明复合材料的柔韧性得到较大提高。
Spiral carbon fiber is a new kind of biomimetic carbon material,which has some special properties because of its 3D double helix structure similar to deoxyribonucleic acid(DNA).Thermoplastic polyurethane(TPU) itself has the advantages of plastic and rubber,and is also a green environmental protection and excellent polymer materials.TPU as a matrix material,TPU-based spiral carbon fiber composites were prepared by adding a new type of carbon material carbon microcoils,which could obtain higher and better properties.TPU/ carbon microcoils composites were prepared by solution blending method,and tested the mechanical properties of the composites.
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