Kinetic studies of cationic photopolymerizations of cycloaliphatic epoxide, triethyleneglycol methyl vinyl ether, and cyclohexene oxide.: An article from: Polymer Engineering and Science
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PublisherThomson Gale
ISBN / ASINB000DZVDA8
ISBN-13978B000DZVDA2
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This digital document is an article from Polymer Engineering and Science, published by Thomson Gale on November 1, 2005. The length of the article is 7027 words. The page length shown above is based on a typical 300-word page. The article is delivered in HTML format and is available in your Amazon.com Digital Locker immediately after purchase. You can view it with any web browser.
From the author: The cationic photopolymerizations of monofunctional monomers and cycloaliphatic diepoxide monomer were examined in detail. Phenomenological kinetic models were developed for photopolymerizations of the monofunctional and difunctional monomers. For monofunctional monomers, the nonlinear models gave an excellent fit to the experimental data. Although a second-order autocatalytic model was shown to be invalid above 10% conversion for the polymerization of a difunctional monomer (3,4-epoxycyclohexylmethyl-3',4'-epoxycyclohexane carboxylate, ECH), an autocatalytic model using diffusion-controlled reaction with a Williams-Landel-Ferry (WLF) equation fits the experimental data well over the entire conversion range. A mechanistic model based on the free volume theory was also developed for cationic polymerization of the cycloaliphatic di-epoxide monomer by using the method of moments. The model gives a good fit for the conversion and [bar.M.sub.w] development, but the calculated [bar.M.sub.n] results are lower than the experimental values. POLYM. ENG. SCI., 45:1546-1555, 2005. [c] 2005 Society of Plastics Engineers
Citation Details
Title: Kinetic studies of cationic photopolymerizations of cycloaliphatic epoxide, triethyleneglycol methyl vinyl ether, and cyclohexene oxide.
Author: Young-Min Kim
Publication:Polymer Engineering and Science (Magazine/Journal)
Date: November 1, 2005
Publisher: Thomson Gale
Volume: 45 Issue: 11 Page: 1546(10)
Distributed by Thomson Gale
From the author: The cationic photopolymerizations of monofunctional monomers and cycloaliphatic diepoxide monomer were examined in detail. Phenomenological kinetic models were developed for photopolymerizations of the monofunctional and difunctional monomers. For monofunctional monomers, the nonlinear models gave an excellent fit to the experimental data. Although a second-order autocatalytic model was shown to be invalid above 10% conversion for the polymerization of a difunctional monomer (3,4-epoxycyclohexylmethyl-3',4'-epoxycyclohexane carboxylate, ECH), an autocatalytic model using diffusion-controlled reaction with a Williams-Landel-Ferry (WLF) equation fits the experimental data well over the entire conversion range. A mechanistic model based on the free volume theory was also developed for cationic polymerization of the cycloaliphatic di-epoxide monomer by using the method of moments. The model gives a good fit for the conversion and [bar.M.sub.w] development, but the calculated [bar.M.sub.n] results are lower than the experimental values. POLYM. ENG. SCI., 45:1546-1555, 2005. [c] 2005 Society of Plastics Engineers
Citation Details
Title: Kinetic studies of cationic photopolymerizations of cycloaliphatic epoxide, triethyleneglycol methyl vinyl ether, and cyclohexene oxide.
Author: Young-Min Kim
Publication:Polymer Engineering and Science (Magazine/Journal)
Date: November 1, 2005
Publisher: Thomson Gale
Volume: 45 Issue: 11 Page: 1546(10)
Distributed by Thomson Gale
