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Biobased Microspheres Consisting of Poly(trans-anethole-co-maleic anhydride) Prepared by Precipitation Polymerization and Adsorption Performance
journal contribution
posted on 2016-02-03, 00:00 authored by Yunbin Yuan, Xueyong Yong, Huanyu Zhang, Jianping DengThis paper reports the first biobased
microspheres derived from
phenylpropenic resources. To explore the potentials of biomass derived trans-anethole (ANE) and to develop new biobased polymeric
materials, ANE was used for preparing an unprecedented kind of polymeric
microspheres constructed by poly(trans-ANE-co-maleic anhydride) [poly(ANE-co-MAH)] through free radical precipitation
polymerization in methyl ethyl ketone/n-heptane mixed
solvent with 2,2′-azobis(isobutyronitrile) as the initiator.
Microspheres (about 1 μm in size) with spherical morphology
and narrow size distribution were obtained under appropriate conditions.
Following the same preparative strategy, cross-linked microspheres
were further prepared with divinylbenzene as a cross-linking agent
and then subjected to hydrolyzation of the surface anhydride groups
into carboxyl groups, aiming at developing microsphere adsorbents.
The hydrolyzed microspheres exhibited considerable adsorption ability
toward trivalent chromic ion [Cr(III)] and an organic dye (methyl
red), with maximum adsorption quantity of 10.8 and 17.6 mg/g, respectively.
The established preparative strategy can be potentially extended to
other renewable phenylpropenes and MAH derivatives, and also can be
taken as a versatile platform for fabricating biobased polymeric microspheres.
Apart from being potentially used as adsorbents toward diverse adsorbates
(metal ions, organic compounds, etc.), the microspheres also can be
further explored as biomaterials, emulsifiers, among others.
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Biobased Microspheresprecipitation polymerizationadsorption abilitymetal ionsMAH derivativesPrecipitation Polymerization1 μ msize distributionphenylpropenic resourcesadsorption quantitysurface anhydride groupsANEAdsorption PerformanceThis paper reportsbiobased microspheresmicrosphere adsorbentscarboxyl groups
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