The Polymerization Kinetics of Acrylamide in Glycol Solution Induced by He-Ne Laser with Toluidine Blue as the Sensitizing System

Abstract

Abstract: The polymerization kinetics of acrylamide(AM) induced by He-Ne laser with toluidine blue (TB)-triethanolamine(TEOA) as the sensitizing system has been investigated in glycol(EG)-H₂Osolution and in EGsolution, respectively.The photoredox of TB-TEOAis influenced by the higher viscosity and polarity of EG.The photofading rates of TBdecrease with the raising of [EG].The effect of EGviscosity on the polymerization of AMis also significant.The overall apparent kinetic equation of polymerization in EGsolution and the chain transfer constant for EGhave been determined.The overall apparent activation energy of polymerization in EGis much higher than that in H₂Osystem.

Key words: Toluidine blue, Acrylamide, Glycol, He-Ne laser, Photopolymerization

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HE Yi, CHEN Yong-Chao, LIANG Zhao-Xi . The Polymerization Kinetics of Acrylamide in Glycol Solution Induced by He-Ne Laser with Toluidine Blue as the Sensitizing System[J]. Chem. J. Chinese Universities, 1993, 14(3): 436.

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The Polymerization Kinetics of Acrylamide in Glycol Solution Induced by He-Ne Laser with Toluidine Blue as the Sensitizing System

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