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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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聚三唑/碳纳米管复合材料的制备与性能研究*
Keywords: 复合材料,聚三唑,碳纳米管,叠氮化,热学性能
Abstract:
？将叠氮基与碳纳米管(cnt)反应,制备叠氮化碳纳米管(acnt),用ftir、xps等手段证明碳纳米管实现了叠氮化;借助超声波的作用使acnt均匀分散于单体中,然后用原位聚合方法制备了聚三唑/碳纳米管(pta/acnt)复合材料。用透射电镜观察acnt在基体树脂中的分散状况和复合材料的微观结构,研究了acnt的添加分数对pta/acnt复合材料玻璃化温度(tg)、热稳定性(td5)和导热系数(λ)的影响。结果表明:与pta纯树脂相比,当acnt添加分数为1.0%(质量分数,下同)时,复合材料的tg提高了33℃,在氮气中td5提高了15℃,在空气中td5提高了8℃;当acnt添加分数为5.0%时,复合材料30℃的λ提高了45%,150℃的λ提高了30%。
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