摘要
用双螺杆挤出机直接熔融共混制备了聚碳酸酯(PC)/玻璃纤维(GF)复合材料,其中添加了少量的表面功能化的石墨烯(FGS)。考察了GF添加量对共混体系力学性能的影响,并利用扫描电子显微镜详细分析了复合材料的微观形貌。结果表明,添加少量的FGS后,复合材料的强度、刚性得到提高的同时,其韧性不会急剧下降;与之对比,当体系中没有添加FGS时,虽然强度、刚性等力学性能随着GF的添加明显提高,但是材料的韧性大大降低,限制了GF增强PC的使用范围。
In this paper, polycarbonate （PC）/glasss fiber （GF） composites with a very small amount of functional graphene sheets were prepared directly by melt blending in a twin-screw extruder. The glass fiber dosage on the mechanical behaviors of the blending system, the microstructure of the composite was studied in detail by scanning electron microscope. The result shows that after adding a small amount of FGS, the strength and rigidity of glass fiber reinforced PC are improved, the toughness of the composite do not decrease sharply at the same time. By contrast, when there is no FGS in this system, the strength and rigity of the composite rise sharply with the addition of GF. However, the toughness of this composite decreases a lot, which limits its application scope.
出处
《塑料工业》
CAS
CSCD
北大核心
2015年第11期138-141,146,共5页
China Plastics Industry
关键词
聚碳酸酯
石墨烯
玻璃纤维
韧性
刚性
Polycarbonate
Graphene
Glasss Fiber
Rigidity
Toughness
