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2013 (Vol. 5, Issue: 08)
Article Information:

Preparation and Properties of Cornstarch Adhesives

Li Yang, Junjun Liu, Chengchao Du and Yinghuai Qiang
Corresponding Author:  Li Yang 

Key words:  Apparent viscosity, rheological eigenvalue, starch adhesives, , , ,
Vol. 5 , (08): 1068-1072
Submitted Accepted Published
April 16, 2013 May 14, 2013 August 05, 2013
Abstract:

The main goal of this study was to use cornstarch in the production of environmentally sound adhesives. ‘Three-formaldehyde glue’ pollutes the environment and harms to human health strongly, which widely used for wood-based panels preparation. Environment-friendly cornstarch adhesives were prepared using method of oxidation-gelatinization, insteading of the three formaldehyde glue. The effects of the quality ratio of starch and water, temperature and shear rate on the apparent viscosity of the adhesive were studied. The rheological eigenvalue of apparent viscosity was studied through nonlinear regression. The results showed that the apparent viscosity of cornstarch adhesives increased and then decreased with the increasing of temperature and the maximum value was obtained at 10oC; the apparent viscosity decreased slowly with the increasing of rotor speed; the phenomenon of shear thinning appeared wither cornstarch adhesives which was pseudo-plastic fluids. Cornstarch adhesives with characteristics of non-toxic, no smell and pollution could be applied in interior and upscale packaging.
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  Cite this Reference:
Li Yang, Junjun Liu, Chengchao Du and Yinghuai Qiang, 2013. Preparation and Properties of Cornstarch Adhesives.  Advance Journal of Food Science and Technology, 5(08): 1068-1072.
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ISSN (Online):  2042-4876
ISSN (Print):   2042-4868
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