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8331154 
Journal Article 
POLYESTERS BEARING PENDANT ANTHRYL AND PYRENYL GROUPS FROM THIOESTERS OF DICARBOXYLIC ACIDS 
Sato, K; Hayashi, N; Tazuke, S 
1977 
1 
Journal of Polymer Science, Polymer Letters Edition
ISSN: 0360-6384 
JOHN WILEY & SONS INC 
NEW YORK 
15 
11 
671-674 
WOS:A1977EA15100005 
For the study on the relation between inter- and/or intramolecular interactions and polymer structure both in solution and solid state, the basic requirement is to obtain a series of samples which satisfy the following conditions: (i) availability of systematically modified polymer structures; (ii) versatility of introducing various functional groups; (iii) good solubility in common solvents; (iv) film-forming property for the solid-state study; and (v) high purity of samples permitting precise spectroscopic measurements. In the reported investigation the authors have studied the molecular interactions and functionalities of polymers with special reference to the polymer structures by measuring charge-transfer complex formation, excimer and exciplex formation, fluorescence quenching, and photoreactions of polymers. Various polyesters and, in some cases, polyurethanes were prepared from 2-substituted-1,3-propanediol(I). Experimental data obtained with polycondensation of I with thiophenol esters of dicarboxylic acid without catalysts are tabulated and fluorescence spectra of pyrene polymers, reflecting polymer structure, are included. 13 refs.