Investigation into ramie whisker reinforced arylated
soy protein composites

doi:10.1007/s11458-009-0206-5

Front. Chem. China

2010, Vol. 5

Issue (1) : 104-108 https://doi.org/10.1007/s11458-009-0206-5

Research articles

Investigation into ramie whisker reinforced arylated soy protein composites

Rakesh KUMAR¹,Lina ZHANG²,

1.Department of Chemistry, Wuhan University, Wuhan 430072, China；CSIR MSM, Port Elizabeth 6000, South Africa; 2.Department of Chemistry, Wuhan University, Wuhan 430072, China;

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Abstract Whiskers were prepared from ramie fibers and were characterized using atomic force microscopy to evaluate their dimensions. SPI/whiskers composites (SW) were prepared by incorporating different weight contents (wt.%) of the whiskers into soy protein isolate (SPI). Thiodiglycol was used as a plasticizer for the preparation of SW composites. The SW composites were arylated with 2,2-diphenyl-2-hydroxyethanoic acid through the process of “dip-coating” and coded as SW-B. In this paper, the characterization of SW and SW-B composites, such as their morphologies, mechani- cal properties, thermal stability, optical transmittance, and water uptake, are discussed. The results indicated substantial improvement in the water resistance, thermal stability, and the modulus of the SW-B composites after arylation due to the formation of hydrophobic diphenylhydroxymethane (DPHM) microparticles on the surface. This work provides a novel method to increase the water resistance of protein based composites.

Keywords soy protein ramie whiskers water uptake arylation composites

Issue Date: 05 March 2010

Cite this article:

Rakesh KUMAR,Lina ZHANG. Investigation into ramie whisker reinforced arylated soy protein composites[J]. Front. Chem. China, 2010, 5(1): 104-108.

URL:

https://academic.hep.com.cn/fcc/EN/10.1007/s11458-009-0206-5
https://academic.hep.com.cn/fcc/EN/Y2010/V5/I1/104

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