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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 1051Functionalization of Starch for Macro-Initiator of...

Functionalization of Starch for Macro-Initiator of Atomic Transfer Radical Polymerization (ATRP)

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Abstract:

Using of petro-polymers such as polymethylmethacrylate, polypropylene and polyethylene in the world has been undergoing a critical problem due to significantly decreasing of petroleoum stock as monomer sources. Therefore reducing of the petro-polymer usage should be performed by using natural resources such as modified starches.This study reported addition of an acyl bromide compound to substitute hydroxyl groups on the starch obtains a macro initiator for graft-copolymerizing polymethylmethacrylate (PMMA) onto the functionalized starch as starch-g-PMMA through atomic transfer radical polymerization (ATRP) method. The starch activation through the substitution of the hydroxyl functional group creates ability of the starch to transfer a radical atom onto a petro-monomer such an alkylmethacrylate which furthermore polymerize into starch-g-PMMA at mild condition. This paper reported study of the starch activation describing about screening catalysts and acyl bromide compounds, optimizing process variables such as amount ratio of a selected acyl bromide compound to starch and temperature. The functionalized starchs were analysed by 13-CNMR, FTIR, titration and their morphology was observed by FE-SEM.

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Periodical:

Advanced Materials Research (Volume 1051)

Pages:

90-94

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1051.90

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Online since:

October 2014

Authors:

Mochamad Chalid*, Aniek S Handayani, Emil Budianto

Keywords:

Acyl Bromide, Alkyl Methacrylate, ATRP, Graft-Copolymerization, Hydroxyl Group, Starch

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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