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Electrochemical polymerization of a new heterocyclic monomer using a sacrificial nickel anode

✍ Scribed by S.H. El-Hamouly; M. Abdel Azzem; U.S. Yousef

Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
313 KB
Volume
29
Category
Article
ISSN
0014-3057

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✦ Synopsis

The electropolymerization of a new heterocyclic monomer, viz. N-antipyryl acrylamide, has been carried out in dimethylformamide using a Ni electrode. Better yields and higher degrees of polymerization are obtained in the presence of tetrabutylammonium perchlorate as a supporting electrolyte. A study has been made of the effects of various parameters such as duration of electrolysis, current strength, concentrations of monomer and electrolyte, type of electrolyte and the temperature of the reaction on the yield of the polymer and the rate of polymerization. An electropolymerization mechanism is suggested and confirmed by i.r. spectra, differential thermal analysis and thermogravimetric analysis.

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Ring-opening polymerization of 2-phenyl-1,3,2-dioxaphosphorinane initiated with new catalyst system using a halobenzene and nickel(II) bromide
✍ S. Kobayashi; J. Kadokawa 📂 Article 📅 1993 🏛 John Wiley and Sons 🌐 English ⚖ 617 KB

## Abstract Ring‐opening polymerization of 2‐phenyl‐1,3,2‐dioxaphosphorinane (a six‐membered cyclic phosphonite, 4) has been initiated with a new catalyst system of a halobenzene and NiBr~2~. The polymerization proceeded in a living nature to produce poly(phosphinate) consisting exclusively of a “n