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The ionic interaction complexation between metal carboxylated polystyrene ionomers and poly(butyl methacrylate-co-vinyl pyridine) (BVP) in both solution and bulk was studied by viscometry, laser light scattering (LLS) and differential scanning calorimetry (DSC) and compared with that between BVP and carboxylated polystyrene (CPS), in which the interacting groups are in acid form. The results show...
Two kinds of diblock ionomer were prepared by carboxylating and sulfonating the polystyrene (PS) block of a commercial product of poly (styrene-block-ethylene-co-propylene) (SEP). The PS block was partially carboxylated via a mild Friedel-Crafts acetylation and a subsequent haloform oxidation. The carboxylation only slightly changed the molecular weight distribution of the SEP at low carboxylation...
Mono-carboxy terminated polystyrene oligomer (MCPS) and di-carboxy terminated polystyrene oligomer (DCPS) were prepared by anionic polymerization. Viscometry and dynamic light scattering (DLS) studies show that both MCPS and DCPS can interact with poly(4-vinyl pyridine) (PVPy) via hydrogen bonding to form soluble graft-like complexes in CHCl3. The marked differences in the viscosity–composition behaviour,...
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