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Uncoated polystyrene particles bear negative charges, which can be related to the presence of sulfate groups
that originate from the use of the persulfate initiator during emulsion polymerization.
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Because the PS cores bear a negative charge, the first layer was made of PVP.(PVP/PSS) multilayers were prepared
by alternating adsorption of PVP and PSS onto the surface of PS microparticles from 2mg mL-1 polyelectrolyte solutions
in 0.2 M NaCl.
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that originate from the use of the persulfate initiator during emulsion polymerizat ...

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