NDLI: Facile access to poly(DMAEMA-co-AA) hydrogels via infrared laser-ignited frontal polymerization and their polymerization in the horizontal direction

Content Provider	Royal Society of Chemistry (RSC)
Author	Liu, Yan Chen, Su Wang, Cai-Feng
Copyright Year	2015
Abstract	A series of poly(DMAEMA-co-AA) hydrogels (DMAEMA = dimethylaminoethyl methacrylate, AA = acrylic acid) were quickly produced via infrared laser ignited frontal polymerization (LIFP), and LIFP in the horizontal direction was performed successfully for the first time. The dependence of the front velocity and front temperature of LIFP on the molar ratios of AA/DMAEMA and the concentrations of initiator was investigated, along with the characterization of the swelling capacity and morphology properties of the as-prepared hydrogels. The as-prepared hydrogels are sensitive to pH values ranging from 2 to 12, and their maximum equilibrium swelling ratio can reach 2497% in pH = 7. Moreover, the hydrogels are able to absorb an anionic dye (orange G) and a cationic dye (methylene blue) through electrostatic interaction, offering potential as dye adsorbents for water purification. Additionally, LIFP was employed horizontally to seal dyestuff solutions, expanding the scope of LIFP applications on spilled toxic substances without touching the location of the reaction.
Starting Page	30514
Ending Page	30521
Page Count	8
File Format	HTM / HTML PDF
ISSN	20462069
Volume Number	5
Issue Number	39
Journal	RSC Advances
DOI	10.1039/c5ra01366f
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Front velocity Infrared spectroscopy Swelling capacity LIFP Polymerization Substance dependence Concentration Methylene blue Dye Orange G Laser
Content Type	Text
Resource Type	Article
Subject	Chemistry Chemical Engineering

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