Low Molecular Weight Polypyrmidine for Release and Size Controlled Process of Single-Walled Carbon Nanotubes

被引：4

作者：

Maimaiti, Yuemaierjiang ^{[1
]}

Dongmulati, Naziermu ^{[1
]}

Baikeri, Salamaiti ^{[1
]}

Maimaiti, Abulajiang ^{[1
]}

Maitisidike, Rukeya ^{[2
]}

Maimaitiyiming, Xieraili ^{[1
]}

机构：

[1] Xinjiang Univ, Coll Chem & Chem Engn, Minist Educ & Xinjiang Uyghur Autonomous Reg, Key Lab Oil & Gas Fine Chem, Xinjiang 830046, Peoples R China

[2] Univ Freiburg, Freiburger Mat Forschungszentrum, D-79104 Freiburg, Germany

来源：

FIBERS AND POLYMERS | 2018年 / 19卷 / 05期

基金：

中国国家自然科学基金;

关键词：

Release; Size control; Carbon nanotubes; Polypyrimidine; Nanocomposites; FUNCTIONALIZATION; GROWTH; CELLS;

D O I：

10.1007/s12221-018-7474-3

中图分类号：

TB3 [工程材料学]; TS1 [纺织工业、染整工业];

学科分类号：

0805 ; 080502 ; 0821 ;

摘要：

A process for controlling the size of Single-walled carbon nanotubes (SWCNTs) sorting was achieved by combining various centrifugation speeds with polypyrimidine's properties of dispersion and release SWCNTs upon acid treatment. At first, the SWCNTs wrapped by polypyrimidine were sperated into different size by centrifugating at various speeds. Then, these size-selected hybrids were treated with H2SO4 (98 %) to release free SWCNTs from hybrids, meanwhile the copolymer was collected for reuse. The purity of the released size-controlled SWCNTs was found to be higher than the commercial SWCNTs. The simple synthetic procedure of the copolymer, the low cost of H2SO4 and low centrifugation speed allow the process of size-controlled SWCNTs sorting to more practical applications and industrial scaling up.

引用

页码：927 / 933

页数：7

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