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Synthesis of Pd-, Pt-, and Rh-containing polymers derived from polystyrene-polybutadiene block copolymers; micellization of diblock copolymers due to complexation
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1998
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Polystyrene-polybutadiene DiblockSynthetic MacromoleculeBlock Co-polymersEngineeringDiblock CopolymersSelf-assemblyPolymer ScienceZeise SaltComplex Formation PeculiaritiesChemistryPolystyrene-polybutadiene Block CopolymersRh-containing PolymersPolymer SynthesisPolymer ReactionPolymer ChemistryBiomolecular EngineeringPolymers
Novel Pt-containing polymers derived from Zeise salt and polystyrene-polybutadiene diblock (PS-PB) and triblock (SBS) copolymers have been synthesized. The comparison of complex formation peculiarities of Pd-, Rh-, and Pt-containing polymers derived from SBS with 72 wt.-% of PB and PS-PB with 15 wt.-% of PB displayed that a short PB block in PS-PB allows to maintain solubility of organometallic polymers even if intermolecular complexation is probable. Such a solubility was found to be provided by micellization in Pd-, Pt-, and Rh-containing polymers derived from PS-PB. Moreover, crosslinks formed due to complexation were shown to contribute to micellization: iron carbonyl complexes immobilized on PS-PB, where solely intramolecular complexes can be formed, do not provide micellization.