C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/1306, 6/63
C08L 3/02 (2006.01) C08L 61/00 (2006.01) C09J 3/06 (1980.01)
Patent
CA 1141070
ABSTRACT Starch glue is produced by gelatinizing an aqueous starch slurry at temperatures from about 95 to 160°C and applying high shearing forces. Before the viscosity exceeds 15000cP a water-soluble oxidant producing nascent oxygen is added, and gelatinization takes place in a reaction system which in respect of the residence time spectrum exhibits close to ideal pipe reactor characteristics. The contact time between the oxidant and the at least partially gelatinized starch at a temperature of at least 95°C is 1 to 5 minutes. The resulting starch paste is mixed with raw starch. The process permits the viscosity of the glue and/or the ratio of carrier starch to raw starch to be selectively varied while providing a glue with functional properties at least equivalent to those obtained with prior processes.
362711
Feeser Hermann
Hochbahn Peter
Schmidt Helmut
Voigt Joachin
Cpc International Inc.
Ridout & Maybee Llp
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