Determination of the molar substitution degree of hydroxyethyl guar gum by mixed p-toluenesulfonic-acetic anhydride;

Preparation and characterization of hydroxypropyl guar gum;

The moisture-loss condition of hydroxypropyl guar gum at different conditions is studied,analyze drying process ?mechanism,and different drying time and drying temperature influence on drying,the optimal drying condition was established finally,and an method which is for moisture analysis in manufacture process is offered.

One-step solvent media process to produce hydroxypropyl guar gum(HPG)is developed,endosperm splits are modified and directly pulverized into HPG powder.

Synthesis of hydroxypropyl guar by phase transfer catalysis;

Rheological characteristics of aqueous solutions of carboxylmethylhydroxypropyl guar gum;

Application of cationic hydroxypropylguar gum in the secondary fiber;