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Citation: LI Yan, HOU Wan-Guo. Viscosity of Cationic Starch/Mg-Al-HTlc Suspension[J]. Chinese Journal of Applied Chemistry, ;2008, 25(8): 974-976. shu

Viscosity of Cationic Starch/Mg-Al-HTlc Suspension

LI Yan ^a,b ,
HOU Wan-Guo ^b,,

1.
a Department of Chemistry, Changzhi College, Changzhi;
2.
b MOE Key Laboratory for Colloid and Interface Chemistry, Shandong University, Ji'nan 250100

Corresponding author: HOU Wan-Guo,
Received Date: 18 August 2007
Available Online: 30 November 2007
Fund Project: 国家自然科学基金(20273041和20573065) (20273041和20573065)教育部高等学校博士学科点专项科研基金(20040422047)资助项目 (20040422047)

The influence of pH value on the viscosity of cationic starch(CS) solution, the mass ratio(R) of Mg-Al-hydrotalcite-like compound(Mg-Al-HTlc) to CS and the pH value on the viscosity of CS/HTlc suspension were studied. The results showed that the viscosity of CS solution had a maximum when the solution pH was in a range of 3~4. The viscosity of CS/Mg-Al-HTlc suspension increased at first and then decreased with the increase of the R value at pH 8.68~8.80. The pH at which the viscosity of CS/Mg-Al-HTlc suspension had a maximum increased with the R increasing. At a low pH, the CS/Mg-Al-HTlc suspension with a low R value had the highest viscosity, and at a high pH value, the CS/Mg-Al-HTlc suspension with a high R value had the highest viscosity.
- cationic starch,
- Mg-Al-hydrotalcite-like compound,
- rheology,
- viscosity
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