Polymerization in a magnetic field. XV Some azoinitiators behavior in a high magnetic field

被引:8
作者
Chiriac, AP [1 ]
机构
[1] Petru Poni Inst Macromol Chem, RO-700487 Iasi, Romania
关键词
polymerization kinetic; radical polymerization; magnetic field; styrene; thermogravimetric analysis;
D O I
10.1002/app.22218
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
The effect of a high magnetic field of 7 T on styrene polymerization reactions was taken under study. The intervened magnetokinetic modifications are correlated to the system of radical initiation, respectively: benzoyl peroxide, 2, 2'-azobis(2-methylpropionitrile), 4,4'-azobis(4-cyanopentanoic acid), and 1,1'-azobis (cyclohexan-1carbonitrile). The reaction products are also characterized from the viewpoint of their molecular weights correlated with the reaction conditions, as well as their thermal stability. (c) 2005 Wiley Periodicals, Inc.
引用
收藏
页码:1025 / 1031
页数:7
相关论文
共 17 条
[1]  
*ALDR, 179981 ALDR
[2]   Polymerization under magnetic field - II. Radical polymerization of acrylonitrile, styrene and methyl methacrylate [J].
Bag, DS ;
Maiti, S .
POLYMER, 1998, 39 (03) :525-531
[3]  
Buchachenko A. L, 1984, SPIN POLARIZATION MA
[4]  
BUCHACHENKO AL, 1976, USP KHIM+, V45, P761
[5]   Magnetic field polymerisation [J].
Chiriac, AP ;
Simionescu, CI .
PROGRESS IN POLYMER SCIENCE, 2000, 25 (02) :219-258
[6]   KINETIC PARAMETERS FROM THERMOGRAVIMETRIC DATA [J].
COATS, AW ;
REDFERN, JP .
NATURE, 1964, 201 (491) :68-&
[7]   SYNTHESIS, THERMOCHEMISTRY, AND REACTIONS OF VICINAL BIS(AZOALKANES) - THE CHEMISTRY OF ALPHA-AZO AND BETA-AZO RADICALS [J].
ENGEL, PS ;
WANG, CG ;
CHEN, YQ ;
RUCHARDT, C ;
BECKHAUS, HD .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1993, 115 (01) :65-74
[8]   MECHANISMS OF PHOTOCHEMICAL REACTIONS IN SOLUTION .26. PHOTOSENSITIZED DECOMPOSITION OF AZO COMPOUNDS [J].
FOX, JR ;
HAMMOND, GS .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1964, 86 (19) :4031-&
[9]   EFFECT OF MAGNETIC-FIELD ON BLOCK COPOLYMERIZATION OF STYRENE AND METHYL-METHACRYLATE BY PHOTOCHEMICAL INITIATION IN MICELLAR SOLUTION OF POLY(ETHYLENE GLYCOL) WITH SENSITIZER END GROUP [J].
HUANG, JL ;
HU, YQ ;
SONG, QH .
POLYMER, 1994, 35 (05) :1105-1108
[10]   EFFECT OF POLY(ETHYLENE GLYCOL) WITH SENSITIZER GROUPS AT BOTH ENDS ON THE PHOTOINITIATED POLYMERIZATION OF STYRENE IN THE WATER PHASE IN THE PRESENCE OF A MAGNETIC-FIELD [J].
HUANG, JL ;
SONG, QH .
MACROMOLECULES, 1993, 26 (06) :1359-1362