Transcription of Klucel hydroxypropylcellulose - Ashland
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1 Klucel hydroxypropylcellulosePhysical and chemical properties 2 3 Table of Contents1. Introduction ..4 2. Chemistry ..43. Grades and Viscosity Types..64. Physical Properties..6 Moisture Absorption ..7 Dispersion and Dissolution..7 In water ..7 In Organic Liquids..8 Properties of Solutions..9 Aqueous Solutions..9 Effect of Concentration and Viscosity Type..9 Rheology.. 10 Effect of Temperature on Viscosity ..10 Cloud Point (Precipitation Temperature) ..10 Cloud Point Versus Molecular Weight.. 10 Effect of pH on Cloud Point.. 11 Polymer Hydration ..11 Effect of pH on Hydration.
minutes before addition to the main volume of cold water. This presoak results in a faster dissolving of particles in the second step. In the second step, the hot slurry is diluted with cold water (room temperature or lower). Agitation is continued until all particles are dissolved and solution is completely free of gels. High-shear
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