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Structures and properties of aromatic poly(1,3,4-oxadiazole)s

✍ Scribed by B. Schulz; G. Knochenhauer; L. Brehmer; S. Janietz


Book ID
118412511
Publisher
Elsevier Science
Year
1995
Tongue
English
Weight
234 KB
Volume
69
Category
Article
ISSN
0379-6779

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πŸ“œ SIMILAR VOLUMES


Polyhydrazides and poly(1,3,4-oxadiazole
✍ Georgeta Caraculacu; Constantin Gaina; Viorica Gaina; Adrian A. Caraculacu; Ilie πŸ“‚ Article πŸ“… 1993 πŸ› Elsevier Science 🌐 English βš– 266 KB

Abstraet--Polyhydrazides with parabanic structures were prepared by polycondensation between a new monomer containing a preformed parabanic ring, viz. 1,3 p(bis-chloroformylphenyl) parabanic acid and dihydrazides. By thermal cyclization with polyphosphoric acid, the polyhydrazides were converted to