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Study of properties of poly-(4,4′-hydroxydiphenylene) pyromellitic amido-acid and its esters in solutions

✍ Scribed by V.Ye. Eskin; I.A. Baranovskaya; M.M. Koton; V.V. Kudryavtsev; V.P. Sklizkova

Book ID
118965067
Publisher
Elsevier Science
Year
1976
Weight
474 KB
Volume
18
Category
Article
ISSN
0032-3950

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Dielectric properties of poly(4-methylph
Dielectric properties of poly(4-methylphenylisocyanate) and poly(4-methoxyphenylisocyanate) in solution
✍ L. Lecomte; E. Marchal 📂 Article 📅 1976 🏛 Elsevier Science 🌐 English ⚖ 430 KB

In the range 200 Hz-2 MHz, the dielectric behaviour of two polyarylisocyanates depends on the solvent. In certain solvents, such as toluene, there is only one high frequency absorption for poly(4-methylphenylisocyanate) and it is independent of molecular weight. Its character corresponds to chains h