Study on Acid Hydrolysis of Cationic Starch

Abstract:

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Cationic starch is a kind of sizing agent which have good prospect of application, but its high viscosity limits its use. In this work low substitution degree cationic starch (DS=0.03) was hydrolyzed with HCL to reduce the viscosity. The acidolysis factors on cationic starch viscosity such as reaction time, reaction temperature and concentration of HCL has been studied. The results revealed that the optimum reaction condition was 1.83% HCL for dry cationic starch, under 55°C for 5 hours, the product viscosity was 11.5mpa.s. By choosing different process parameters can get products of series viscosities.

Info:

Periodical:

Advanced Materials Research (Volumes 287-290)

Edited by:

Jinglong Bu, Pengcheng Wang, Liqun Ai, Xiaoming Sang, Yungang Li

Pages:

2565-2568

DOI:

10.4028/www.scientific.net/AMR.287-290.2565

Citation:

H. Zhang et al., "Study on Acid Hydrolysis of Cationic Starch", Advanced Materials Research, Vols. 287-290, pp. 2565-2568, 2011

Online since:

July 2011

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Price:

$35.00

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