Novel Synthesis of Nano-emulsion Butyl Methacrylate/Acrylic Acid via Micro-emulsion Polymerization and Ultrasonic Waves

Authors

  • Ahmed G. Hassabo National Research Center, Textile Research Division

Abstract

Micro-emulsion and emulsion polymerization can have some similarities in starting conditions and polymerization mechanism, but the resulting nano-emulsion is unalike in particle size and molecular weight. The purpose of this research is to prepare nano-emulsion co-polymer particles based on butyl methacrylate/acrylic acid (BMA/AAC) with high monomer/surfactant ratio by using Ultrasonic homogenizer. The nano-emulsion co-polymerizations processes were carried out with different AAC/BMA ratio and different modified process. Sodium dodecyl sulphate (SDS) and potassium peroxy disulphate /glucose were used as emulsifier and redox initiator, respectively. The prepared nano-emulsion was characterized via spectroscopic measurement, FT-IR, particle size analyzing, GPC, transmission electron microscope (TEM), and glass transition temperature (Tg). The prepared nano-emulsion showed that, the particle size and homogeneity of the prepared nano-emulsion are depend on monomers ratio and preparation method. TEM analysis showed that the nano-emulsion had a number-average particle diameter less than 50 nm and with narrow particle size distribution. It was also found that the glass transition temperatures (Tg) of the film formed from the nano-emulsion could be lower than −40C. The study involved the application of the prepared nano-emulsion as binder for pigment printing process onto cotton fabric by using a flat screen technique and the prints were dried and thermal cured. The printed fabrics were evaluated according to standard test methods to determine if the addition of prepared nano-emulsion to print pastes yielded equivalent or improved performance properties. Results showed that the prepared nano-emulsion has excellent fastness to washing, perspiration, and light but slightly lowered to Rubbing and made the fabrics slightly stiffer. A benefit of the prepared nano-emulsion was that it slightly increased the viscosity of many of the print paste formulations and reduced the amount of thickener that was needed.

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Published

2016-05-10

Issue

Vol. 10 No. 1 (2016)

Section

Peer Reviewed Article

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