Transcription of Klucel hydroxypropylcellulose - Ashland
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Klucel hydroxypropylcellulose - Ashland
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.
In the first step, prepare a high-solids slurry by adding dry Klucel HPC powder to 6 times (or more) its weight of well agitated hot water at a temperature of 50° to 60°C. Temperature should not exceed the 60°C maximum indicated. The hot slurry must be maintained above 50°C during this presoak to ensure that there is no premature dissolving of
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