Sodium carboxymethyl cellulose

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Sodium carboxymethyl cellulose
Posting date : Jun 27, 2011
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38-
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Sodium carboxymethyl cellulose carboxymethyl ether of cellulose sodium salt, an anionic cellulose ether, white or milky white fibrous powder or granules, the density of 0.5-0.7 grams / cubic centimeter, almost odorless, tasteless, with moisture absorption. Easily dispersed in water into a transparent colloidal solution, the insoluble organic solvent such as ethanol. 1% aqueous solution pH of 6.5 to 8.5, when pH> 10 or <5, the slurry viscosity was significantly lower in the best performance at pH = 7. Heat-stable, the rapid increase in viscosity below 20 ℃, 45 ℃ when the change is slow, 80 ℃ heating over a long time variability may make it gel viscosity and performance degradation.

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