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PHOTOPHYSICAL PHENOMENA IN THE AROMATIC VINYL POLYMERS
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annealed at 407 annealing aromatic vinyl polymers binary interaction parameter binodal composition blends cast C.W. Frank cast at 295 cast at elevated casting temperature CHAPTER Chem chromophore components concentration of P2VN contribution elevated temperatures energy of mixing enthalpy of mixing entropy of mixing equilibrium excimer complex excimer fluorescence excimer forming sites excited exciton Figure films cast Flory-Huggins theory fluorescence ratio fraction of P2VN free energy glass transition temperature guest concentration guest P2VN GUEST POLYMERS Hence host films host matrix host polymers intermolecular intrinsic viscosity lattice M.L. Huggins Macromolecules methacrylate miscible mixture molecular weight monomer monomer bands monomer repeat unit naphthalene P.J. Flory P2VN P2VN-lean P2VN-rich phase P2VN/PMMA P2VN/PnBMA blends phase separation Phys PMMA PMMA host PnBMA host polymer blend polymer chain polymerization represents sample solubility parameter solvent casting spectrofluorometer spinodal temperature dependence tion toluene two-phase model vaporization vinyl polymers volume fraction water water water wt 5 wt