Properties of the "in situ" synthesized O-MMT-acrylic terpolymers for paint application

Solution polymerization of methylmethacrylate (MMA), n-Butylacrylate, n-BA(50 and 47 wt%), and 3 wt% acrylic acid (AA), were carried out in toluene in the presence of 2 wt% organo modified montmorillonite (O-MMT) to high conversion using dibenzoyl peroxide (0.5 and 0.6 wt%) as initiator. the effect of O-MMT, initiator concentration and substituting 3 wt% n-BA by MMA on the paint properties were studied. Viscosity of the resins containing nano particles increased compare with the sample with-out O-MMT. XRD analysis of the typical resin sample showed 10.8 Aº increase in d-spacing. Abrasion resistance of the prepared paints containing nano particles increased more than 200%. Nano particles had no effect on adhesion of the paints. A good resistance against water and benzene of the samples were obtained.

کلیدواژه ها:

d-spacing ، XRD ، nano particle: O-MMT :MMA :n-BA :AA