Abstract
The aggregation of the interpolymer complexes between poly(methacrylic acid) (PMAA) and poly(vinyl pyrrolidone) (PVP) was investigated using the light scattering technique. The fast complexation of the polymers in aqueous solution is followed by aggregation which is very sensitive to pH. The aggregation behaviour was found to change noticeably when the pH increases from 3.2 to 3.9. The time dependence of the particle size as well as the size distribution at different pH was analysed.
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