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Free radical copolymerization behavior of vinyl acetate with butyl acrylate in the presence of GeCl4 and BCl3

✍ Scribed by Meng, Yuezhong; Xu, Guojin; Song, Hong; Xu, Yan

Publisher
John Wiley and Sons
Year
1998
Tongue
English
Weight
332 KB
Volume
45
Category
Article
ISSN
0959-8103

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✦ Synopsis

No alternating copolymers of vinyl acetate (VAc) and butyl acrylate (BA) were obtained by free radical copolymerization in the presence of GeCl 4 and (compared with the acrylic acidÈvinyl acetate copolymerization BCl 3 system). By ultraviolet spectral analysis, it was concluded that both and BCl 3 can form complexes with butyl acrylate. The complex constants GeCl 4 BAÈBCl 3 were determined by 1H NMR ; (25¡C). The reason for the gel forma-K B \ 33É2 tion in the copolymerization system was discussed. When vinyl BAÈVacÈBCl 3 acetate reacted with cationic polymerization probably occurred. A white BCl 3 , gel product probably resulted from the polymerization of the complex. BAÈBCl

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