S. Kumari Nisha and S. K. Asha A facile one-pot reactive solution blending approach for main-chain donor–acceptor polymeric materials Journal of Polymer Science Part A: Polymer Chemistry 51
A high-temperature reactive solution blending approach was successfully used to covalently incorporate fluorescent chromophores such as perylenebisimide (PBI) oligo(p-phenylene vinylene) (OPV) into the backbone of an engineering thermoplastic polyester [poly(1,4-cyclohexylenedimethylene-1,4-cyclohexanedicarboxylate)] (PCCD). The chemical incorporation of these chromophores into PCCD was confirmed by carrying out the melt condensation using 1,4-cyclohexanedimethanol and 1,4-dimethylcyclohexane dicarboxylate with varying mole ratios of terminal hydroxyl-functionalized PBI and OPV derivatives. The advantages of this solution blending approach over melt condensation were its ease of synthesis and high incorporation of the desired chromophore (>30 mol % of PBI) with thin film processability.
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