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Dopamine@Nanodiamond as novel reinforcing nanofillers for polyimide with enhanced thermal, mechanical and wear resistance performance
Qin, Songlv; Cui, Mingjun; Qiu, Shihui; Zhao, Haichao; Wang, Liping; Zhang, Afang
2018
发表期刊RSC ADVANCES
卷号8期号:7页码:3694-3704
摘要In this study, to achieve a homogeneous dispersion of nanodiamond (ND) in a polyimide (PI) matrix and a strong interfacial adhesion between ND and the PI matrix, a biomimetic nondestructive dopamine chemistry was employed for surface modification of ND. FTIR and Raman spectroscopy studies revealed that self-polymerization of dopamine could produce thinner polydopamine (PDA) layers on the ND surface via spontaneous oxidation and the intermolecular cross-linking reaction of PDA molecules. The structure and morphology of PDA-ND were studied by FTIR, SEM, and Raman spectroscopy, which verified the p-p interactions between PDA and ND. The facile dispersion of PDA-ND in a polyamic acid prepolymer made it possible to obtain PI/ND composites with no obvious ND aggregation. The effect of PDA-ND nanoparticles on the thermal, mechanical and tribological properties of the resulting PI/PDAND composites were evaluated, and the results showed that the incorporation of PDA-ND could increase the hardness, tensile strength, storage modulus, as well as the wear resistance properties. PI/PDA-ND composites prepared in this study showed that PDA-ND is a promising nanoreinforcing filler for PI composites.
关键词In-situ Polymerization Carbon Nanotubes Graphene Oxide Tribological Properties Nanocomposites Functionalization Films Composite Coatings Purification
学科领域Science & Technology - Other Topics
语种英语
文献类型期刊论文
条目标识符http://ir.nimte.ac.cn/handle/174433/16927
专题2018专题
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GB/T 7714
Qin, Songlv,Cui, Mingjun,Qiu, Shihui,et al. Dopamine@Nanodiamond as novel reinforcing nanofillers for polyimide with enhanced thermal, mechanical and wear resistance performance[J]. RSC ADVANCES,2018,8(7):3694-3704.
APA Qin, Songlv,Cui, Mingjun,Qiu, Shihui,Zhao, Haichao,Wang, Liping,&Zhang, Afang.(2018).Dopamine@Nanodiamond as novel reinforcing nanofillers for polyimide with enhanced thermal, mechanical and wear resistance performance.RSC ADVANCES,8(7),3694-3704.
MLA Qin, Songlv,et al."Dopamine@Nanodiamond as novel reinforcing nanofillers for polyimide with enhanced thermal, mechanical and wear resistance performance".RSC ADVANCES 8.7(2018):3694-3704.
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