Cyclopolymerization of diallylcyanamide

Uno, Keikichi; Tsuruoka, Kazuyuki; Iwakura, Yoshio

doi:10.1002/pol.1968.150060109

Cited by 12 publications

(3 citation statements)

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“…perimental results as Taking into account the general sequence of reactions, initiation, propagation through cyclopo- [6][7][8][9][10][11][12] termination of a growing radical through a degradative chain transfer reaction 16,18 with PDP, and final termination of a growing cy-…”

Section: Effect Of Acid Strength and Ionic Strength On R Pmentioning

confidence: 99%

“…a symmetrical nonconjugated divinyl monomer, has received recent attention because of the involvement of a novel propagation step known It is well known that thiocarboxylic acids exert an activating influence on peroxydisulfate in the as cyclopolymerization. [6][7][8][9][10][11][12] This prompted us to undertake the detailed kinetic and comparative initiation of vinyl polymerization reactions. [1][2][3] In recent years thiocarboxylic acids have been used study of polymerization of N,N-methylenebis-(acrylamide) initiated by PDP-TLA, PDP-TMA, as redox components with PDP as oxidant for the polymerization of monovinyl monomers.…”

Section: Introductionmentioning

confidence: 99%

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Polymerization of N,N′‐methylenebis(acrylamide) using potassium peroxydiphosphate–thiocarboxylic acid redox systems: A comparison

Rathinamuthu¹,

Victoria²,

Vaidyanathan

et al. 1998

J. Polym. Sci. A Polym. Chem.

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ABSTRACT:The kinetics of aqueous polymerization of the symmetrical nonconjugated divinyl monomer N,N-methylenebis(acrylamide) (MBA), was studied at 35ЊC and at constant ionic strength under nitrogen atmosphere involving potassium peroxydiphosphate (PDP) as oxidant with three different activators thiolactic acid (TLA), thiomalic acid (TMA), and thioglycollic acid (TGA). The rate of polymerization, R P , and rate of disappearance of peroxydiphosphate, 0R PDP have been followed while polymerization was initiated separately by the PDP-TLA/PDP-TMA/PDP-TGA redox systems. R P for the above three systems showed first-order dependences on both [ [activators] were observed with respect to 0R PDP in the above three systems. A reaction mechanism which involves complex formation between PDP and thiocarboxylic acid, propagation through intramolecularintermolecular reactions, degradative chain transfer reaction of the growing radical with PDP, and linear termination by the interaction of the chain radical with primary radical was proposed. The kinetic parameters for the three polymerization systems were calculated and compared.

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Section: Effect Of Acid Strength and Ionic Strength On R Pmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Polymerization of N,N′‐methylenebis(acrylamide) using potassium peroxydiphosphate–thiocarboxylic acid redox systems: A comparison

Rathinamuthu¹,

Victoria²,

Vaidyanathan

et al. 1998

J. Polym. Sci. A Polym. Chem.

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show abstract

“…15 In our recent study, we have demonstrated that polymerization of DAM in concentrated aqueous solutions by radical initiation gives a water-soluble homopolymer. 16 Not only quaternary diallyl ammonium monomers but also some other divinyl monomers such as diallyl sulfonamide 17 and dially cyanamide 18 can give cyclopolymers with similar structures.…”

Section: Introductionmentioning

confidence: 99%