期刊文献+

连锁聚合反应的动态Monte Carlo模拟及其浓度效应 被引量:2

原文传递
导出
摘要 用动态 Monte Carlo 方法和键长涨落模型相结合分别对自由基聚合、离子聚合动力学过程进行了计算机模拟, 在三维空间中统计了转化率、聚合度、分子量的数量和重量分布, 并将模拟结果和理论预测进行了对比分析, 同时得到不同浓度下均方回转半径与平均链长的标度关系,说明三维空间中标度指数与浓度的相关性. 还初步考察了扩散对反应体系分子量的影响. 说明动态 Monte Carlo 方法用于研究连锁聚合反应动力学过程是有效的, 而且能够同时得到经典的聚合反应 Monte Carlo 模拟方法所难以得到的链构象、分子扩散等空间相关的信息.
出处 《中国科学(B辑)》 CSCD 北大核心 2005年第1期27-32,共6页 Science in China(Series B)
基金 国家自然科学基金(批准号: 29825109 20174006 20221402 20374015 及两个基地项目) 高等学校青年教师教学和科研奖励基金 教育部重大项目 "九七三"项目(批准号:G1999054306-03) "八六三"项目(批准号:2004AA215170) 上海市科技发展基金资助
  • 相关文献

参考文献18

  • 1He Junpo, Zhang Hongdong, Chen Jingming, et al. Monte Carlo simulation of kinetics and chain length distributions in living free-radical polymerization. Macromolecules, 1997, 30: 8010- 8018.
  • 2凌君,沈之荃,陈万里.共聚合多分散体系的Monte Carlo仿真算法及应用[J].中国科学(B辑),2002,32(4):308-315. 被引量:5
  • 3Butte A, Storti G, Morbidelli M. Evaluation of the chain length distribution in free-radical polymerization. 1. Bulk polymerization.Macromol Theory Simul, 2002, 11:22-36.
  • 4Smith G B, Russell G T, Heuts J P A. Termination in dilute-solution free-radical polymerization: A composite model.Macromol Theory Simul, 2003, 12:299-314.
  • 5Zetterlund P B, Yamazoe H, Yamada B. Free radical bulk polymerization of styrene: Simulation of molecular weight distributions to high conversion using experimentally obtained rate coefficients.Macromol Theory Simul, 2003, 12:379-385.
  • 6Binder K, Paul W. Monte Carlo simulations of polymer dynamics:Recent advances. J Polym Sci, Polym Phys Ed, 1997, 35(1):1-31.
  • 7Rouault Y, Milchev A. Monte Carlo study of living polymers with the bond-fluctuation method. Phys Rev E, 1995, 51(6): 5905-5910.
  • 8Jo W H, Lee J W, Lee M S, et al. Effect of interchange reactions on the molecular weight distribution of poly(ethylene terephthalate): A Monte Carlo simulation. J Polym Sci, Polym Phys Ed,1996, 34:725-729.
  • 9Jang S S, Ha W S, Jo W H, et al. Monte Carlo simulation of copolymerization by ester interchange reaction in miscible polyester blends. J Polym Sci, Polym Phys Ed, 1998, 36:1637-1645.
  • 10Lee Y U, Jang S S, Jo W H. Off-lattice Monte Carlo simulation of hyperbranched polymers, 1 Polycondensation of AB2 type monomers. Macromol Theory Simul, 2000, 9:188-195.

二级参考文献5

  • 1Wittmer P, Schmitt B J. Monte-Carlo-simulation for the structure of copolymer molecules of chemical inhomogeneity of second type. Makromol Chem, 1987, 188: 2467~2479
  • 2Brar A S, Jayaram B, Dutta K. Microstructures determination of acrylonitrile/alkyl acrylate copolymers by Monte Carlo simulations and NMR spectroscopy. J Polym Mater, 1993, 10: 269~280
  • 3Ling J, Shen Z, Huang Q. Novel single rare earth aryloxide initiators for ring-opening polymerization of 2,2-dimethyltrimethylene carbonate. Macromolecules, 2001, 34: 7613~7616
  • 4Kelen T, Tüdos F. Analysis of the linear methods for determining copolymerization reactivity ratios. I. A new improved linear graphic method. J Macromol Sci Chem, 1975, A9(1): 1~27
  • 5钱人元,曹锑,陈尚贤,白凤莲.用分子间激基缔合物荧光研究聚苯乙烯良溶剂溶液——从稀区到亚浓区和浓区的转变[J]中国科学(B辑 化学 生物学 农学 医学 地学),1983(12).

共引文献4

同被引文献51

  • 1吕文琦,丁建东.基于格子链的缩聚反应的动态Monte Carlo模拟[J].化学学报,2005,63(13):1231-1235. 被引量:3
  • 2Jain S, Bates F S. On the origins of morphological complexity in block copolymer surfactants[J] . Science, 2003 ,300 (5618) :460-464.
  • 3Imae T, Ikeda S. Sphere-rod transition of micelles of tetradecyltrimethylammonium halides in aqueous sodium halide solutions and flexibility and entanglement of long rodlike micelles[J].J Phys Chern, 1986 ,90(21) :5216-5223.
  • 4Mortensen K, PedersenJ S. Structural study on the micelle formation of poly ( ethylene oxide) - poly ( propy 1 ene oxide) -poly ( ethylene oxide) triblock copolymer in aqueous solution[J]. Macromolecules, 1993 ,26( 4) :805-812.
  • 5Zhang L, Eisenberg A. Multiple morphologies of crew-cut[J] . Science, 1998 ,268 : 1728-173l.
  • 6Riess G. Micellization of block copolymers[J]. Progress in Polymer Science ,2003,28(7) : 1107 -1170.
  • 7Lipowsky R. The conformation of membranesj L] , Nature, 1991 ,349( 6309) :475-48l.
  • 8Discher DE, Eisenberg A. Polymer vesicles[J] . Science, 2002,297 (5583) : 967 -973.
  • 9Kim Y, Dalhaimer P, Christian D A, et a1. Polymeric worm micelles as nano - carriers for drug delivery[J] . Nanotechnology ,2005,16(7) : S484-S49l.
  • 10ZhuJ,Jiang Y, Liang H, et a1. Self-assembly of ABA amphiphilic triblock copolymers into vesicles in dilute solution[J] .J Chern Phys B, 2005 , 109 (18) : 8619 - 8625. ,.

引证文献2

相关作者

内容加载中请稍等...

相关机构

内容加载中请稍等...

相关主题

内容加载中请稍等...

浏览历史

内容加载中请稍等...
;
使用帮助 返回顶部