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Hydrogen-Bonded Polymers with Bent-Shaped Side Chains and Poly(4-vinylpridine) Backbone: Phase Behavior and Thin Film Morphologies

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College of Chemistry, Chemical Engineering and Material Science, Soochow University, Suzhou 215123, P. R. China
College of Chemistry, Xiangtan University, Xiangtan 411105, P. R. China
§ Shanghai Institute of Applied Physics, Chinese Academy of Science, Shanghai 201800, P. R. China
*X.-F.C.: E-mail, [email protected]
*G.C.: E-mail, [email protected]
*H.-L.Z.: E-mail, [email protected]
Cite this: Macromolecules 2014, 47, 12, 3917–3925
Publication Date (Web):June 13, 2014
https://doi.org/10.1021/ma500794y
Copyright © 2014 American Chemical Society
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Abstract

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We investigate the self-assembly behavior of a series of supramolecular hydrogen bonded polymer complexes P4VP(nCBP)x in which bent-shaped molecules (nCBP, n = 10,12,14) are attached to a poly(4-vinylpridine) (P4VP) backbone via hydrogen bond interaction in both bulk and thin films. The formation of lamellar and hexagonal columnar (ΦH) phases are dependent on the blending ratio of nCBP per vinylpridine unit (x), aliphatic tail length (n), and temperature. When increasing the grafting density x, the phase structure of polymer complexes transform from lamellar to ΦH phase. A nonreversible lamellar to ΦH phase transition appears in the heating process for P4VP(10CBP)x with x ≥ 0.4, P4VP(12CBP)x with x ≥ 0.3, and P4VP(14CBP)x with x ≥ 0.2. The lamellar and ΦH phase are oriented parallel to the substrate in the thin film as verified by both GISAXS and AFM.

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Characterization of small molecules nCBP (n = 10, 12, 14), including 1HNMR, EA, and DSC, SAXS of P4VP(12CBP)x and P4VP(14CBP)x, DSC of P4VP(10CBP)x, 2D SAXS of P4VP(12CBP)0.3. This material is available free of charge via the Internet at http://pubs.acs.org.

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This article is cited by 11 publications.

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  2. Yalan Zhu, Meiqing Zheng, Yuanyang Tu, Xiao-Fang Chen. Supramolecular Fluorescent Polymers Containing α-Cyanostilbene-Based Stereoisomers: Z/E-Isomerization Induced Multiple Reversible Switching. Macromolecules 2018, 51 (9) , 3487-3496. https://doi.org/10.1021/acs.macromol.8b00347
  3. Yongchen Cai, Meiqing Zheng, Yalan Zhu, Xiao-Fang Chen, and Christopher Y. Li . Tunable Supramolecular Hexagonal Columnar Structures of Hydrogen-Bonded Copolymers Containing Two Different Sized Dendritic Side Chains. ACS Macro Letters 2017, 6 (4) , 479-484. https://doi.org/10.1021/acsmacrolett.7b00145
  4. Tzu-Yu Lai, Chih-Yang Cheng, Wan-Yin Cheng, Kwang-Ming Lee, and Shih-Huang Tung . Phase Behavior and Structure of Supramolecules Formed by Poly(4-vinylpyridine) and Fanlike Benzoic Acid Derivative with Long Hydrophobic Tails. Macromolecules 2015, 48 (3) , 717-724. https://doi.org/10.1021/ma5022192
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  10. Ting Qu, Yongbin Zhao, Zongbo Li, Pingping Wang, Shubo Cao, Yawei Xu, Yayuan Li, Aihua Chen. Micropore extrusion-induced alignment transition from perpendicular to parallel of cylindrical domains in block copolymers. Nanoscale 2016, 8 (6) , 3268-3273. https://doi.org/10.1039/C5NR09140C
  11. Jingkui Wang, Shenhao Ma, Xiaofang Chen, Hong Chen. Hydrogen-bonded liquid crystalline polymers containing poly(4-vinylpridine) and dendron-like side chains: Fromlamellar to columnar phase. Materials Today Communications 2015, 4 , 77-85. https://doi.org/10.1016/j.mtcomm.2015.06.002

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