Beijing National Laboratory for Molecular Sciences, Key Laboratory of Polymer Chemistry and Physics of Ministry of Education, Center for Soft Matter Science and Engineering, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
zshen@pku.edu.cn (Z.H.S.)
fanxh@pku.edu.cn (X.H.F.)
收稿:2020-03-03,
修回:2020-3-17,
录用:2020-3-20,
网络首发:2020-06-19,
纸质出版:2020-08-14
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Xiao, A. Q.; Lyu, X. L.; Pan, H. B.; Tang, Z. H.; Zhang, W.; Shen, Z. H.; Fan, X. H. Homeotropic alignment and selective adsorption of nanoporous polymer film polymerized from hydrogen-bonded liquid crystal. Chinese J. Polym. Sci. 2020, 38, 1185–1191
An-Qi Xiao, Xiao-Lin Lyu, Hong-Bing Pan, et al. Homeotropic Alignment and Selective Adsorption of Nanoporous Polymer Film Polymerized from Hydrogen-bonded Liquid Crystal[J]. Chinese Journal of Polymer Science, 2020, 38(11): 1185-1191.
Xiao, A. Q.; Lyu, X. L.; Pan, H. B.; Tang, Z. H.; Zhang, W.; Shen, Z. H.; Fan, X. H. Homeotropic alignment and selective adsorption of nanoporous polymer film polymerized from hydrogen-bonded liquid crystal. Chinese J. Polym. Sci. 2020, 38, 1185–1191 DOI: 10.1007/s10118-020-2431-9.
An-Qi Xiao, Xiao-Lin Lyu, Hong-Bing Pan, et al. Homeotropic Alignment and Selective Adsorption of Nanoporous Polymer Film Polymerized from Hydrogen-bonded Liquid Crystal[J]. Chinese Journal of Polymer Science, 2020, 38(11): 1185-1191. DOI: 10.1007/s10118-020-2431-9.
Nanoporous polymer film with a hexagonal columnar (Col
h
) structure was fabricated by templated hydrogen-bonding discotic liquid crystals containing methacrylate functional group. The supramolecular hydrogen-bonded complex T3Ph-L is composed of a 1
3
5-tris(1
H
-benzo[
d
]imidazol-2-yl)benzene (T3Ph) core molecule as the hydrogen-bonding acceptor and 3
4
5-tris((11-(methacryloyloxy)undecyl)oxy)benzoic acid (L) peripheral molecules as donors. And the Col
h
structure is always retained after self-assembly
photo-crosslinking
and removal of the template T3Ph. The nanoporous polymer film can retain the Col
h
phase even under the dry condition
which indicates more possibilities for practical applications. After chemical modification of the inner wall of the nanopores
the nanoporous polymer film with pores of about 1 nm selectively adsorbs ionic dyes
and the adsorption process is spontaneous and exothermic in nature. Homeotropic alignment can be obtained when the blend complex was sandwiched between two modified glasses after annealing by slow cooling
which shows that the nanoporous polymer film has potential in applications such as nanofiltration.
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