Article Information
Characterization of PMMA Polymer Particles by Light Diffraction Method: Effect of Monomer, Initiator and Dispersion Medium Concentration on Monodispersity

Keywords: PMMA, Polymer, Characterization, Monodisperse, Monomer, Initiator.

Mehran University Research Journal of Engineering & Technology

Volume 30 ,  Issue 2

Suhail  Ahmed  Soomro,Shaheen   Aziz,Abdul  Haq  Tunio


In this research work, the micron size PMMA (Poly Methylmethacrylate) polymer particles were prepared by dispersion polymeraization. In order to acheive optimum conditions, different concentartiion of initiator, monomer and dispersion medium were used. The polymer particle size and size distribution were then investigated by using light diffraction & laser technique. Variation in concentration of initiator showed that mean particle size decreased as the concentration of initiator AIBN (2,2-Azobis Iso Butyro Nitrile) was increased. The particle size distribution became wider with increase in concentration of initiator. Monomer concentration increase shows increase in the particle size and broaden the size distribution. However, when monomer MMA (Methyl methacrylate) concentration was decreased the particle size also decreased whereas the particle size distribution is less wide as compared to concentration increased.