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Abstract:
采用液相共混-热压法制备碳纳米管/聚丙烯复合材料,测试其冲击性能并观察冲击断面及晶粒形貌.结果表明:液相法可将2.O%以内的碳纳米管均匀地分散在聚丙烯中,均匀分散的碳纳米管能提高复合材料的冲击性能,并随着碳纳米管添加量的增加而增大,当碳纳米管添加量为2.0%时,复合材料的冲击强度达到5.47 kJ/m2,为纯PP的2.5倍;而且,复合材料的断裂特征由脆性断裂转变为韧性断裂,这主要归因于碳纳米管在基体中呈网状分布,且均匀分散,充分发挥了其增韧作用,同时,碳纳米管能细化聚丙烯晶粒,具有细晶强化效应.
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塑料
ISSN: 1001-9456
CN: 11-2205/TQ
Year: 2017
Issue: 6
Volume: 46
Page: 28-30,37
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: -1
Chinese Cited Count:
30 Days PV: 5
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