Successive phase transitions of partially and fully polymerized crystals of 2,4-Hexadiyne-1,6-Diol bis (p-toluene sulfonate)
โ Scribed by Hatta, I. ;Nakayama, T. ;Matsuda, T.
- Book ID
- 105374988
- Publisher
- John Wiley and Sons
- Year
- 1980
- Tongue
- English
- Weight
- 445 KB
- Volume
- 62
- Category
- Article
- ISSN
- 0031-8965
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The opt&l spectra of fully and parthl!y polymerized crystals of ~is(p-tolucne sulphonatc) diacctylcnc have been mnsurcd between 4.2 and 330 K. The electronic absorption of the conjugated polymer bxkbone occurs at about 2 CV and is split into two components below 160 K in both fully and partinlly pol
ESR observations of single crystals of bis(p-toluene sulphonate) of 2.4.hexadiyne-1,6dioI during solid state thermal polymerization at 60ยฐC reveal spectra characteristic of pammagnetic triplet species. One ccntre has large values of the fine structure tensor and maximum intensity at maximum polymeri