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Preparation, Characterization of P(AA-AM)/Organic Montmorillonite Super Absorbent Resin under Focused Signal-Mode Microwave Irradiation

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Abstract:

A super absorbent resin (SAR) of acrylic acid (AA)/acrylamide (AM) /organic montmorillonite (OMMT) composite was synthesized by aqueous solution polymerization. This process was carried out under precision microwave organic synthesis system and its single-mode focusing microwave irradiation technology was studied. The montmorillonite (MMT) was modified by treating with cetyltrimethylammonium bromide.The characteristics of the obtained SAR, natural and modified montmorillonite were characterized by X-ray diffraction (XRD), fourier transform infrared spectroscopy (FTIR) and scanning electron microscopy (SEM). The results show that the intercalation is successful, the CTAB as a organic modifier introuduced into lattice layers of montmorillonite by cation-exchange reaction.The SAR have higher liquid absorbency rate.

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Periodical:

Advanced Materials Research (Volume 746)

Pages:

142-146

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.746.142

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Online since:

August 2013

Authors:

Shui Li Lai, Ying Hua Gao

Keywords:

Acrylic Acid, Cetyltrimethylammonium Bromide, Focused Signal-Mode Microwave Irradiation, Organic Montmorillonite, Super Absorbent Resin

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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