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.
Equilibrium Moisture at 25°C (%) Relative Humidity (%) GF (lot 4996) JF (lot 4753) LF (lot 4965) EF (lot 1223)-lucel HPC is less soluble in hot water than in cold. K In organic solvents, application of heat speeds the solution rate. 4.2.1 In Water Most soluble polymers have a tendency to agglomerate, or lump, when the dry powder is first
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