A Study of HCl Gas Adsorption/Desorption Properties of PNIPAM Brushes | Zendy

Zhao Xin Jun | Zendy; Gao Zhi Fu | Zendy; Jiang Zhong Ying | Zendy

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A Study of HCl Gas Adsorption/Desorption Properties of PNIPAM Brushes

Author(s) -

Zhao Xin Jun,

Gao Zhi Fu,

Jiang Zhong Ying

Publication year - 2015

Publication title -

macromolecular theory and simulations

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.37

H-Index - 56

eISSN - 1521-3919

pISSN - 1022-1344

DOI - 10.1002/mats.201500027

Subject(s) - desorption , adsorption , hydrogen bond , chemical engineering , chemistry , hydrogen , polymer chemistry , molecule , materials science , organic chemistry , engineering

In this paper, we employ a molecular theory to study HCl gas‐adsorption/desorption properties of PNIPAM brushes. Here, PNIPAM–HCl hydrogen bonds and theirs explicit coupling to the PNIPAM conformations are considered. We find that hydrogen bonding becomes a key element in determining HCl gas‐adsorption/desorption behaviors of PNIPAM brushes. Our results indicate that, when at moderate grafting densities, the association of PNIPAM–HCl hydrogen bonds can result in a dependence of PNIPAM brush‐height on HCl concentration, and the morphology of PNIPAM brushes may have a significant effect on the HCl gas‐adsorption/desorption properties.

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