Adiabatic photopolymerization of acrylamide

Although the adiabatic polymerization of acrylamide using photoinitiation was first described over 30 years ago, it still offers convenient opportunities for innovation. In the present work, the effect of EDTA (ethylenediaminetetraacetic acid, tetrasodium salt) as a reducing agent with two photosens...

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Bibliographic Details
Published in:Journal of applied polymer science 1985-04, Vol.30 (4), p.1629-1637
Main Authors: Rodriguez, Ferdinand, Chu, Connie H., Chu, W. T. Wayne K., Rondinella, Mary Ann
Format: Article
Language:English
Subjects:
Applied sciences
Exact sciences and technology
Physicochemistry of polymers
Polymerization
Polymers and radiations
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Summary:Although the adiabatic polymerization of acrylamide using photoinitiation was first described over 30 years ago, it still offers convenient opportunities for innovation. In the present work, the effect of EDTA (ethylenediaminetetraacetic acid, tetrasodium salt) as a reducing agent with two photosensitizers is described. With riboflavin‐5'‐phosphate sodium, the rate of polymerization rises with the ⅓ power of the EDTA concentration. With a new photosensitizer, 4‐benzoyl‐N,N,N‐trimethylbenzenemethanaminium chloride, the rate rises with the ½ power of the EDTA concentration. Adiabatic temperature rise is used as the measure of conversion in the early stages of polymerization.
ISSN:0021-8995
1097-4628
DOI:10.1002/app.1985.070300428