Carboxymethyl hydrophobically modified hydroxyethylcellulose...

C - Chemistry – Metallurgy – 08 – B

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6/65, 260/217.2

C08B 11/193 (2006.01) C08B 13/00 (2006.01) C09D 7/00 (2006.01) C09D 7/12 (2006.01)

Patent

CA 1307258

o. /p Reid (A.R.) & Royce Case 1 CARBOXYMETHYL HYDROPHOBICALLY MODIFIED HYDROXYETHYLCELLULOSE (CMHMHEC) AND USE OF CMHMHEC IN PROTECTIVE COATING COMPOSITIONS Abstract of the Disclosure Disclosed are anionic, water-soluble carboxymethyl hydroxyethyl derivatives of cellulose ethers that are useful as thickeners in aqueous compositions such as water-based paints, and that have a hydrophobic alkyl, alphahydroxy- alkyl, or acyl modifying group having 8 to 25 carbon atoms and representing in the polymer structure a proportion by weight of from about 0.10 to about 4.0%, the carboxymethyl degree of substitution being from about 0.05 to less than 1.

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