Preparation of a new polymer containing photoluminescent pyrazoline unit in the main chain

Journal of Polymer Science, Part A: Polymer Chemistry

Volumn 42, Issue 11, 2004, Pages 2686-2697

  Fang, Qiang ^a   Yamamoto, Takakazu ^a  

^a TOKYO INSTITUTE OF TECHNOLOGY   (Japan)

Author keywords

Dehydrogenating transformation; Luminescence polymer; Polycondensation; Pyrazoline derivatives; Redox polymers

Indexed keywords

DEHYDROGENATION; MATHEMATICAL TRANSFORMATIONS; MONOMERS; ORGANIC SOLVENTS; OXIDATION; POLYCONDENSATION; POLYMERS; REDOX REACTIONS; VISCOSITY;

DEHYDROGENATING TRANSFORMATION; LUMUNESCENCE POLYMER; PYRAZOLINE DERIVATIVES; REDOX POLYMERS;

PHOTOLUMINESCENCE;

EID: 2642580065     PISSN: 0887624X     EISSN: None     Source Type: Journal    
DOI: 10.1002/pola.20136     Document Type: Article

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32. n: C, 81.61%; H, 7.47%; N, 4.33%; Cl, 1.65%. Found: C, 80.48%; H, 7.59%; N, 4.31%; Cl, 1.40%. The HCl salt was dissolved into THF (20 mL) and cooled to 0°C. To the solution thus obtained was added dropwise 5 mL of 30% aqueous ammonia. After stirring for 2 h at 0-5°C, the solvent was evaporated in vacuo at room temperature. The residue was treated according to the same procedure as that of preparation of the HCl-treated PPyne previously mentioned. The HCl-free PPyne was obtained as a deep yellow powder.
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