Sol MWD During Styrene, Vinyl Acetate, Methyl Methacrylate, and Butyl Acrylate Homopolymerization: A Numerical Study Using the NFT Approach

被引：0
|
作者：
Alejandra Yanez-Martinez, Bibiana [1 ]
Luna-Barcenas, Gabriel [2 ]
Vivaldo-Lima, Eduardo [1 ]
机构：
[1] Univ Nacl Autonoma Mexico, Dept Ingn Quim, Fac Quim, Mexico City 04510, DF, Mexico
[2] CINVESTAV, Unidad Queretaro, Queretaro 76230, Mexico
来源：
MACROMOLECULAR THEORY AND SIMULATIONS | 2009年 / 18卷 / 03期
关键词：
crosslinking; modeling; molecular weight distribution; numerical fractionation technique; FREE-RADICAL POLYMERIZATION; MOLECULAR-SIZE DISTRIBUTION; PROPAGATION RATE COEFFICIENTS; PULSED-LASER POLYMERIZATION; EVALUATED RATE COEFFICIENTS; CROSS-LINKING REACTIONS; GEL FORMATION; EMULSION POLYMERIZATION; NETWORK FORMATION; RATE CONSTANTS;
D O I：
10.1002/mats.200800067
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Complete parameter sensitivity analyses using the numerical fractionation technique are presented for the cases of homopolymerization with chain transfer to polymer and termination by combination. Also, using reported values for the kinetic rate constants associated with the linear and non-linear homopolymerizations of styrene, vinyl acetate, methyl methacrylate and butyl acrylate, overall molecular weight distributions and averages of the MWD were calculated using the NFT. Good agreement with the expected behavior, with MMA and STY not gelling while BA and VAc do, was obtained. It is concluded that the NFT produces coherent and reliable performance for known polymerization systems, whether linear or non-linear.
引用
收藏
页码：171 / 194
页数：24
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