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:

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.

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

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Prof. Zahra Ranjbar
Dr. Farahnaz Nourmohammadian
Assistant Editor:
Dr. Mozhgan Hosseinnezhad
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Institute for Color Science and Technology (ICST)

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