Zhao W.,Shandong Fuyang Bio technology Co. |
Yu H.,Shandong Fuyang Bio technology Co. |
Li H.-L.,Shandong Fuyang Bio technology Co. |
Li Z.-H.,Shandong Fuyang Bio technology Co. |
And 3 more authors.
Chung-kuo Tsao Chih/China Pulp and Paper | Year: 2010
Preparation of quaternary ammonium cationic starch by wet process was studied. The effects of materials adding sequence were investigated. And the orthogonal experiment was conducted to investigate the effect of process conditions on DS of the product. The optimal conditions of cationic starch preparation were as follows: adding quaternary ammonium before NaOH, starch 100 g, quaternary ammonium 6 g, NaCl 20 g, regulating pH to 11.5, temperature 45~50°C, reaction time 16 h.