END-GROUPS IN POLYMERS MADE USING DIMETHYL 2,2'-AZOBISISOBUTYRATE AS A SOURCE OF RADICALS

被引:6
作者
BEVINGTON, JC [1 ]
LYONS, RA [1 ]
SENOGLES, E [1 ]
机构
[1] JAMES COOK UNIV N QUEENSLAND,DEPT CHEM & BIOCHEM,TOWNSVILLE,QLD 4811,AUSTRALIA
关键词
D O I
10.1016/0014-3057(92)90190-D
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
Azobisisobutyronitrile, enriched in its methyl groups with carbon-13, has been converted to dimethyl 2,2'-azobisisobutyrate. The isotopically enriched azoester has been used to initiate polymerizations of various monomers. The resulting polymers have been examined by C-13-NMR. The signals arising from the enriched methyl groups in the incorporated initiator fragments have been identified; they are strongly dependent on the nature of the attached monomeric unit. It is shown that the isotopically enriched azoester is likely to be useful for comparisons of the reactivities of monomers towards the 1-methyl-1-(methoxycarbonyl)ethyl radical which may serve as a model for the poly(methyl methacrylate) radical.
引用
收藏
页码:283 / 286
页数:4
相关论文
共 15 条
[1]   COMPARISONS OF THE REACTIVITIES OF METHACRYLONITRILE AND ACRYLONITRILE AND OF THE CORRESPONDING POLYMER RADICALS [J].
BARSON, CA ;
BEVINGTON, JC ;
HUCKERBY, TN .
POLYMER BULLETIN, 1986, 16 (2-3) :209-214
[2]   AN APPRAISAL OF NMR METHODS FOR STUDY OF END-GROUPS DERIVED FROM INITIATORS IN RADICAL POLYMERIZATIONS [J].
BEVINGTON, JC ;
EBDON, JR ;
HUCKERBY, TN .
EUROPEAN POLYMER JOURNAL, 1985, 21 (08) :685-694
[3]  
BEVINGTON JC, 1984, POLYM COMMUN, V25, P260
[4]   REACTIVITIES OF MONOMERS TOWARDS THE 1-PHENYLETHYL RADICAL - MONOMERS WITH LOW CEILING TEMPERATURES [J].
BEVINGTON, JC ;
CYWAR, DA ;
HUCKERBY, TN ;
SENOGLES, E ;
TIRRELL, DA .
EUROPEAN POLYMER JOURNAL, 1990, 26 (08) :871-875
[5]   REACTIVITIES OF MONOMERS TOWARDS THE 1-PHENYLETHYL RADICAL [J].
BEVINGTON, JC ;
CYWAR, DA ;
HUCKERBY, TN ;
SENOGLES, E ;
TIRRELL, DA .
EUROPEAN POLYMER JOURNAL, 1990, 26 (01) :41-46
[6]   END-GROUPS IN POLYMERS AND COPOLYMERS OF ETHYL ACRYLATE PREPARED USING AZOISOBUTYRONITRILE AS INITIATOR [J].
BEVINGTON, JC ;
HUCKERBY, TN ;
HUTTON, NWE .
EUROPEAN POLYMER JOURNAL, 1984, 20 (06) :525-528
[7]  
BEVINGTON JC, 1982, EUR POLYM J, V19, P963
[8]  
BICKEL AF, 1950, RECL TRAV CHIM PAY B, V69, P312
[9]   MODEL COPOLYMERIZATION REACTIONS - INITIATION OF THE COPOLYMERIZATION OF METHYL-METHACRYLATE AND ACRYLONITRILE BY 1,1-'-AZOBIS(1-PHENYL[1-C-13]ETHANE) [J].
CYWAR, DA ;
TIRRELL, DA .
EUROPEAN POLYMER JOURNAL, 1989, 25 (7-8) :657-664
[10]   DETERMINATION OF THE RELATIVE RATES OF ADDITION OF STYRENE AND ACRYLONITRILE TO THE 1-(1,3-DIPHENYLPROPYL) AND 1-(3-CYANO-1-PHENYLPROPYL) RADICALS - EVIDENCE FOR A PENULTIMATE EFFECT IN RADICAL COPOLYMERIZATION [J].
CYWAR, DA ;
TIRRELL, DA .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1989, 111 (19) :7544-7553