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Abstract
The poly(methyl methacrylate/butyl acrylate/acrylic acid) [P(MMA/BA/AA)] and poly (styrene/butyl acrylate/acrylic acid) [P(St/BA/AA)] latexes were synthesized using the emulsifier octylphenol polyoxyethylene(10) ether (OP-10) and ammonium sulfate allyloxy nonylphenoxy poly(ethyleneoxy)(10) ether(DNS-86). The optimum amount of OP-10 and DNS-86 was 1.5% and 2.5% respectively. The P(MMA/BA/AA) and P(St/BA/AA) latex containing 1.5% OP-10 or 2.5% DNS-86 were blended pairwise. The performances of latex blends and parent latexes as a function of emulsifiers content in parent latexes were determined. The results indicated that the stability of latex blends is favorable, and particle size distribution was more uniform and thermal stability was improved after blending.
Notes
a P(MMA/BA/AA) latexes named A, P(St/BA/AA) latexes named B.
b Accounted for the percentage of total monomers.
a Accounted for the percentage of latex blend.
a OP-10A/DNS-86A is latex blend of OP-10A and DNS-86A; OP-10A/DNS-86B is latex blend of OP-10A and DNS-86B; OP-10B/DNS-86B is latex blend of OP-10B and DNS-86B; OP-10B/DNS-86A is latex blend of OP-10B and DNS-86A.