Journal ArticleDOI
An intrinsic viscosity‐molecular weight relation for polyacrylonitrile
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TLDR
Weight-average molecular weights and intrinsic viscosities in dimethyl formamide at 25° have been measured for four unfractionated low-conversion acrylonitrile polymers covering the molecular weight range 30 to 250 thousand as mentioned in this paper.Abstract:
Weight-average molecular weights and intrinsic viscosities in dimethyl formamide at 25° have been measured for four unfractionated low-conversion acrylonitrile polymers covering the molecular weight range 30 to 250 thousand. The results follow the equation:read more
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Graft polymerization of acrylonitrile onto paper and characterization of the grafted product
TL;DR: In this article, the chemical graft copolymerization reaction of acrylonitrile (AN) onto paper sheet was performed and the effect of initiator concentration, monomer concentration, and temperature on the reaction rate was studied.
Journal ArticleDOI
γ-Radiation-Initiated Polymerization of Acrylonitrile in Aqueous Solution and in Emulsion
Thomas O'Neill,V. T. Stannett +1 more
TL;DR: In this article, the effect of added emulsifier, sodium lauryl sulfate (SLS), on reaction rates, Rp, and on polymer molecular weight, Mn, has been investigated.
Journal ArticleDOI
Oxygen promoted radical polymerization of acrylonitrile in aqueous nitric acid. A kinetic study
TL;DR: In this article, the rate of polymerization of acrylonitrile (AN) initiated by oxygen-ascorbic acid (AA)-ferric ion system was studied in dil. HNO3 at 40°.
Journal ArticleDOI
Anionic Polymerization of Acrylonitrile Using a Flow Microreactor System
Xiaolin Shi,Jingyang Jiang +1 more
TL;DR: In this article, a simple flow microreactor system has been applied in the anionic polymerization of acrylonitrile initiated by lithium diisopropylamide, and a better control over the obtained PAN has achieved (1.49-1.93) compared with that in conventional lab-scale reactors (MWD = 2.00-2.46).
Journal ArticleDOI
Anionic Polymerization of Z,Z-2,4Hexadienedinitrile
TL;DR: Z,Z-2,4-Hexadienedinitrile, synthesized by the oxidative cleavage of o-phenylenediamine, was found to undergo anionic polymerization with n-BuLi in DMF at room temperature or below as discussed by the authors.