Study on the Reaction of Acetylated Konjac Glucomannan and EVA during Processing

Abstract:

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The transesterification in acetylated konjac glucomannan/ethylene vinyl acetate (AKGM/EVA) melting blend system with the presence of dibutyltin oxide (DBTO) catalyst was investigated by means of a torque rheometer during compounding. The characteristics of the products were evaluated by DSC and FT-IR. The glass transition temperature at about 179.4 °C was found in the DSC curve of AKGM-EVA, the equilibrium torque of AKGM/EVA with 0.25 wt% DBTO was lower than that without DBTO. The results showed that the transesterification took place in the AKGM/EVA blend system.

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Periodical:

Edited by:

Hyungsun Kim, Jian Feng Yang, Chuleol Hee Han, Somchai Thongtem and Soo Wohn Lee

Pages:

61-64

DOI:

10.4028/www.scientific.net/MSF.695.61

Citation:

X. H. Li et al., "Study on the Reaction of Acetylated Konjac Glucomannan and EVA during Processing", Materials Science Forum, Vol. 695, pp. 61-64, 2011

Online since:

July 2011

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$35.00

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