Abstract
AbstractThis article is a report of the investigation of the influence of monomer composition within optimum limits on the light‐transmitting properties of MBS terpolymers obtained by the mass‐suspension method. The high and nearly constant light‐transmitting properties of the MS copolymer matrix have no effect on the light‐transmitting properties of MBS with a MMA content up to about 20 mol % higher than that at the azeotropic point. The refractive index of the MS copolymers decreases uniformly as the mole ratio of MMA increases and becomes equal to the index of the SBR. Particle concentration in sizes up to 0.6μm increases as the MMA content increases to a given point at which the concentration remains constant as MMA continues to increase. The light‐transmitting properties of MBS with a MMA content of 57 mol % are improved significantly. This fact is explained by a decrease in variation on the refractive index between the two phases to 0.0014 and by the increasing percentage of particles with sizes smaller than 0.6 μm up to 70%.
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