![1,1',1'',1'''-[Disulfanediylbis(carbonothioylnitrilo)]tetraethane structure](https://static.chemtradehub.com/structs/97-/97-77-8-f3e4.webp "1,1',1'',1'''-[Disulfanediylbis(carbonothioylnitrilo)]tetraethane structure")
1,1',1'',1'''-[Disulfanediylbis(carbonothioylnitrilo)]tetraethane
CAS Number:
97-77-8
Molecular Formula:
C10H20N2S4
Using reversibility of the dynamic covalent bond to create porosity in highly ordered polymer thin films under mild conditions and nano-pore functionalization in the gas phase
Literature Information
Publication Date
2013-03-22
DOI
10.1039/C3PY00200D
Impact Factor
5.582
Authors
Jingyi Rao, Anzar Khan
View Original
Abstract
Phase-separating polystyrene (PS) and polyethylene glycol (PEG) polymers are connected through a hydrazone-based reversible covalent bond to afford a PS–CHN–PEG diblock copolymer. This novel dynamic covalent copolymer assembles into a nano-structured cylindrical morphology in thin films. Reversal of the hydrazone linkage and removal of PEG–hydrazide under mild conditions afford a nano-porous membrane featuring a chemically reactive functionality in the nano-pores. Availability of these reactive groups for further thin film functionalization is demonstrated by re-establishing the imine bond with a small molecule amine. This modification strategy does not require any coupling reagent, solvent, or high temperature. Therefore, a gas-phase technique is sufficient for film functionalization purposes.
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Source Journal
Polymer Chemistry
CiteScore:
8.6
Self-citation Rate:
7.3%
Articles per Year:
457
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