Janus particles with tunable shapes prepared by asymmetric bottlebrush block copolymers

文献信息

发布日期 2018-12-03

DOI 10.1039/C8PY01467A

影响因子 5.582

作者

Qian Wang, Anqi Xiao, Zhihao Shen, Xing-He Fan

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摘要

Asymmetric bottlebrush block copolymers (BBCPs) containing polydimethylsiloxane and polystyrene side chains with different compositions and molecular weights (MWs) were designed and synthesized. Polymer particles were prepared by the self-organization precipitation method, in which the evaporation of the THF solvent drives the microphase separation of BBCPs. The BBCPs can self-assemble into Janus particles with different interfacial curvatures. The asymmetry and shape persistence of the macromolecular architecture of the BBCPs, resulting from the densely grafted side chains with different lengths, cause the BBCP macromolecules to pack in a different way from that of linear block copolymers (LBCPs), which ultimately affects the morphology of particles. The sizes of the particles are much larger than those of most LBCPs owing to the high MWs and the macromolecular architecture of the BBCPs. This research will significantly expand the materials library and application of Janus particles.

期刊推荐

Polycyclic Aromatic Compounds

Biocatalysis and Biotransformation

Chinese Journal of Chemistry

Atomization and Sprays

Critical Reviews in Solid State and Materials Sciences

Acta Metallurgica Sinica-English Letters

NDT & E International

Medicinal Chemistry Research

Electroanalysis

Journal of the Indian Institute of Science

来源期刊

Polymer Chemistry

CiteScore: 8.6

自引率: 7.3%

年发文量: 457

Polymer Chemistry welcomes submissions in all areas of polymer science that have a strong focus on macromolecular chemistry. Manuscripts may cover a broad range of fields, yet no direct application focus is required.

Janus particles with tunable shapes prepared by asymmetric bottlebrush block copolymers

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来源期刊

Polymer Chemistry

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