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Journal of Bioactive and Compatible Polymers
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Synthesis and Characterization of Polystyrene Core/Polyacrolein Shell Latexes

Teresa Basinska

Center of Molecular and Macromolecular Studies Polish Academy of Sciences Sienkiewicza 112, 90-363 Lodz, Poland

Stanislaw Slomkowski

Center of Molecular and Macromolecular Studies Polish Academy of Sciences Sienkiewicza 112, 90-363 Lodz, Poland

Michel Delamar

Institut de Topologie et de Dynamique des Systemes Universite Paris V-CNRS 1 rue Guy de la Brosse 75005 Paris, France

The poly(styrene/acrolein) latexes were synthesized in an emul sifier-free emulsion-precipitation polymerization. Monodisperse particles from 0.30 µm to 0.52 µm, depending on the acrolein monomer feed, were obtained. More acrolein in the monomer feed yielded latex particles with smaller di ameters. Analyses indicate that the particles have a core-shell morphology. The core is rich in the hydrophobic (polystyrene) component whereas the shell is composed mainly of hydrophilic polyacrolein. Significant changes in polyacro lein in the latexes (from 0.03 to 0.28) has less influence on the composition of the shell (from 0.5 to 0.84, respectively). The surface of the latex particles is smooth and can be penetrated by 2,4-dinitrophenyl hydrazine to the depth from 1.5 to 3.5 Å. These poly(styrene/acrolein) latexes are capable of binding ca. 3 mg of human globulins or ca. 1 mg of human serum albumin on 1 m2 of the latex surface.

Journal of Bioactive and Compatible Polymers, Vol. 8, No. 3, 205-219 (1993)
DOI: 10.1177/088391159300800301
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