中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Efficient and Robust Reactions for Polyethylene Covalently Grafted Carbon Nanotubes

文献类型:期刊论文

作者Zhang, Yongjie1,2; Li, Qian1; Wang, Wenbo2; Guo, Anru3; Li, Jie3; Li, Huayi1
刊名MACROMOLECULAR CHEMISTRY AND PHYSICS
出版日期2017-02-01
卷号218期号:4
关键词Hydrolytic Condensation Nanocomposite Polyethylene Grafted Mwnt Thiol-ene Addition
英文摘要Surface modification of carbon nanotubes (CNTs) with long polymer chains has attracted great attention since it promises high performance nanomaterials. However, due to the chemical inertness of both polyethylene (PE) and CNT, it still remains a challenge to covalently conjugate CNT with PE in a facile manner. In this report, trimethoxysilane terminated PE (TMS-PE) and trimethoxysilane modified multiwall carbon nanotube (TMS-MWNT) is prepared through radical mediated thiol-ene addition reaction between (3-mercaptopropyl) trimethoxysilane and vinyl terminated PE or pristine carbon nanotube, respectively. Subsequently, organotin-catalyzed hydrolytic co-condensation of TMS-PE and TMS-MWNT lead to PE covalently grafted mutliwall CNT (PE-Si-MWNT) with high graft ratio (17.5 wt%). Such reactions are robust and efficient and the reaction conditions are mild. In addition, the authors provide the very first evidence that end-grafted PE chains in PE-Si-MWNT, which are clearly observed in TEM images, can render high compatibility and good interfacial interactions between CNT and low density PE (LDPE) matrix and thus promote homogeneous dispersion of CNT into LDPE matrix as shown by scanning electron microscopy (SEM) characterization of brittle fracture surfaces of LDPE/PE-Si-MWNT nanocomposites.
语种英语
源URL[http://ir.iccas.ac.cn/handle/121111/38235]  
专题化学研究所_工程塑料实验室
作者单位1.Chinese Acad Sci, Beijing Natl Lab Mol Sci, Inst Chem, CAS Key Lab Engn Plast, Beijing 100190, Peoples R China
2.Dalian Polytechn Univ, Sch Text & Mat Engn, Dalian 116034, Peoples R China
3.Aerosp Res Inst Mat & Proc Technol, Beijing 100076, Peoples R China
推荐引用方式
GB/T 7714
Zhang, Yongjie,Li, Qian,Wang, Wenbo,et al. Efficient and Robust Reactions for Polyethylene Covalently Grafted Carbon Nanotubes[J]. MACROMOLECULAR CHEMISTRY AND PHYSICS,2017,218(4).
APA Zhang, Yongjie,Li, Qian,Wang, Wenbo,Guo, Anru,Li, Jie,&Li, Huayi.(2017).Efficient and Robust Reactions for Polyethylene Covalently Grafted Carbon Nanotubes.MACROMOLECULAR CHEMISTRY AND PHYSICS,218(4).
MLA Zhang, Yongjie,et al."Efficient and Robust Reactions for Polyethylene Covalently Grafted Carbon Nanotubes".MACROMOLECULAR CHEMISTRY AND PHYSICS 218.4(2017).

入库方式: OAI收割

来源:化学研究所

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