Bulk and solution copolymerization of methyl methacrylate and vinyl acetate

التفاصيل البيبلوغرافية
العنوان: Bulk and solution copolymerization of methyl methacrylate and vinyl acetate
المؤلفون: H. Hua, Marc A. Dubé, M. J. Scorah
المصدر: Journal of Applied Polymer Science. 82:1238-1255
بيانات النشر: Wiley, 2001.
سنة النشر: 2001
مصطلحات موضوعية: Polymers and Plastics, Chemistry, Chain transfer, General Chemistry, Surfaces, Coatings and Films, Reaction rate, chemistry.chemical_compound, Monomer, Polymer chemistry, Materials Chemistry, Vinyl acetate, Copolymer, Molar mass distribution, Physical chemistry, Reactivity (chemistry), Methyl methacrylate
الوصف: A series of batch, bulk and solution (in toluene) copolymerizations of methyl methacrylate and vinyl acetate was performed under various reaction conditions to high monomer conversions. In addition, low conversion bulk experiments were performed to estimate monomer reactivity ratios using the error in variables model method, based on terminal model (Mayo–Lewis) kinetics. A combination of the low and high conversion data with data from a previous study yielded reactivity ratio (r) estimates of 27.465 and 0.0102 for rMMA and rVAc, respectively, using the integrated copolymer composition (Meyer–Lowry) equation. In the high conversion experiments the effects of various factors on the reaction rate, cumulative copolymer composition, number- and weight-average molecular weights, and molecular weight distribution were studied. The factors included the monomer feed composition, initiator concentration, temperature, solvent concentration, and the addition of n-dodecyl mercaptan chain transfer agent. These factors were examined in light of the wide difference in the monomer reactivity ratios. © 2001 John Wiley & Sons, Inc. J Appl Polym Sci 82: 1238–1255, 2001
تدمد: 0021-8995
URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::46a3c7975cdbf938acd98ac1b4b040a7
https://doi.org/10.1002/app.1958
حقوق: CLOSED
رقم الأكسشن: edsair.doi...........46a3c7975cdbf938acd98ac1b4b040a7
قاعدة البيانات: OpenAIRE