Mini-emulsion preparation, kinetics of reaction and physical properties of acrylic terpolymer lattices


Journal: Vol.9, No.4, autumn 2016 - Article 6   Pages :  269 Until 279



Article Code:
PCCC-2016-03-16-324

Authors:
S. Abbasi Geravand: North Tehran Islamic Azad University - Department of Chemical Engineering
N. Naderpour: North Tehran Islamic Azad University - Department of Chemical Engineering
A. A. Yousefi: Iran Polymer and Petrochemical Institute - Department of Plastics


Article's abstract:

In this study, stable lattices of terpolymer butyl acrylate, methyl methacrylate, and styrene were synthesized by a mini-emulsion polymerization technique using tert-butyl hydroperoxide TBHP/Fe2 /ethylenediaminetetraacetic acid/sodium formaldehyde sulfoxylate redox initiators at room temperature, and the kinetics of the reaction were studied. The reaction rate was obtained from periodic sampling. The chemical compositions of the samples were identified by FTIR. The distribution index of some polymers and their distribution were determined by gel permeation chromatography. The size distribution of the polymers in the lattices was obtained by dynamic light scattering. From the results of the DSC test, it was deduced that copolymerization produces a structure of special blocks and that this particular terpolymer has two glass-transition temperatures.


Keywords:
Acrylic resins, Mini-emulsion polymerization, Copolymerization, Redox initiator systems, Glass-transition temperature

References:
[1] Fink J. K., Reactive Polymers Fundamentals and Applications, PDL Handbook Series,Brent Beckley/William Andrew, Inc.2005 [2]Miles , D.C., Briston , J.H., Polymer Technology , Chemical Publishing Co., Inc. , Third Edition,1996. [3]Molaei B. ,Moghbeli M.R., Zamir M., kinetic study of the emulsion polymerization n-Butyl acrylate / 2-Ethylhexyl acrylate /Acrylic acid , 10th Iranian National Congress of Chemical Engineering, 2005 [4] Xu K. , Zhou Sh. , Wu L. , Preparation and properties of thermosetting acrylic coatings using titanium-oxo-cluster as a curing agent, Chinese J. Polym. Sci , 27,351-358,2009 [5] Khan A. K. , Roy B. C. andDoluiS. K. , Effect of thermal and redox initiator on emulsion copolymerization of styrene-butyl acrylate and comparison of paint properties, J. Sci. Ind. Res, 65,744-746, 2006. [6] Abdul-Jaleel T., Younis W. ‘‘Reactivity Ratio of the Copolymerization Styrene/Methyl Methacrylate Using FT-IR Spectroscopy with Comparing to Mathematically Method”, Vol.9(4)2012 [7] Christian U , Effects Of Different Monomer Ratio On Characteristics Of Styrene Butyl acrylate Copolymer Synthesized By Semi Continuous Emulsion copolymerization , Journal Of Information, Knowledge And Research In Mechanical Engineering , Vol.2(2)2013 [8] Barbour , M. , Clarke , J. , Fone, D., Waterborne and Solvent Based Acrylics and Their End User Application ,John Wiley


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Prof. Zahra Ranjbar
Editor-in-Chief:
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ISSN:
2008-2134
ISSN (online):
2383-1790
Publisher:
Institute for Color Science and Technology (ICST)

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