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Graft copolymerization of different mixtures of acrylic monomers on amylopectin. Swelling behavior

✍ Scribed by I. Castellano; B. Pascual; B. Vazquez; I. Goñi; M. Gurruchaga

Publisher
John Wiley and Sons
Year
1994
Tongue
English
Weight
477 KB
Volume
54
Category
Article
ISSN
0021-8995

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✦ Synopsis

Hydroxylic and nonhydroxylic acrylates-methyl acrylate (MA), ethyl acrylate (EA) , butyl acrylate (BA) , hydroxypropyl methacrylate ( HPMA) , ethylenglycol dimethacrylate (EGDMA) , and mixtures of HPMA-MA, HPMA-EA, HPMA-BA in a 50/50 feed composition-were grafted onto amylopectin with different amounts of crosslinking agent, EGDMA. Percent of total conversion, percent crude grafting, and influence of pH in water content were studied. In this sense it was only at pH 10 when a real variation in the water content could be seen. It was also proved that the highest values were obtained when one of the comonomers was EGDMA with a 34 mol % of the initial feed composition. 0

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