C - Chemistry – Metallurgy – 08 – B
Patent
C - Chemistry, Metallurgy
08
B
204/91.13
C08B 15/00 (2006.01) C08B 11/20 (2006.01)
Patent
CA 1216815
ABSTRACT OF THE DISCLOSURE The molecular weight of irradiated carboxymethyl cellu- lose can be stabilized by heat treatment of irradiated carboxy- methyl cellulose at a temperature from about 50°C to about 150°C, preferably from about 70°C to about 90°C. Equal amounts of stabilized CMC will produce solutions having essentially the same viscosities regardless of the length of time between irradiation and solution preparation.
422370
Aqualon Company
Fetherstonhaugh & Co.
Hercules Incorporated
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