Mechanical properties of guar gum, polyacrylonitrile and their composites
β Scribed by P. Parashar; S.C. Datt; A. Jain; U.D.N. Bajpai
- Publisher
- Elsevier Science
- Year
- 1992
- Tongue
- English
- Weight
- 342 KB
- Volume
- 11
- Category
- Article
- ISSN
- 0142-9418
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## Abstract Guar gum is a naturally occurring galactomannan, which is extremely hydrophilic in nature. Hydroxypropyl guar gum (HPG) was subjected to acetylation using acetic anhydride and pyridine. The effect of the reduction in the hydrophilic nature of the polymer on its filler properties was stu
## Abstract Semiβdilute solutions of hydroxypropyl guar gum (HPGG), the most widely used derivative of naturally occurring guar galactomannan, were investigated with respect to their viscosity, yield stress and thixotropy. It was found that the shearβdependent viscosity behaviour under various HPGG