期刊
MACROMOLECULAR CHEMISTRY AND PHYSICS
卷 205, 期 5, 页码 645-655出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/macp.200300099
关键词
copolymerization; 2-(dimethylamino)ethyl methacrylate; 1-(isopropenylphenyl)-1,1-dimethyl methyl isocyanate; macromonomers; reactivity ratio
The telomerization of 2-(dimethylamino)ethyl methacrylate (DMAEMA) with 2-mercaptoethanol in aceti onitrile shows that the telogen can react with the monomer by nucleophilic addition. It is to say that the tertiary amino group leads to nucleophilic addition rather than telomerization. The oligomers thus obtained were functionalized with 1-(isopropenylphenyl)-1,1-dimethylmethyl isocyanate (TMI) in anhydrous toluene to afford macromonomers. These macromonomers were copolymerized with styrene and the r(1), r(2) ratio was determined according to Jaacks and Macret's methods. It was thereby demonstrated that the r(1) value for this type of monomer is close to zero.
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