C - Chemistry – Metallurgy – 08 – B
Patent
C - Chemistry, Metallurgy
08
B
260/220
C08B 31/00 (2006.01) C08B 33/00 (2006.01) C08B 35/00 (2006.01) D01F 9/00 (2006.01)
Patent
CA 1314284
ABSTRACT Raw starch is slurried in an aqueous solution containing up to and above saturation levels of an ammonium sulfate, ammonium monobasic or dibasic phosphate, sodium sulfate or mixtures thereof. The slurry is then cooked at temperatures above about 150°C. The resulting starch cook is then extruded using conventional methods into a coagulating salt bath thereby producing a starch fiber. When the starch is cooked in the presence of a salt prior to spinning in the coagulation bath, dilution of the salt in the coagulation bath is minimized, thus reducing the evaporation load and consequently lowering the initial capital cost of the evaporation as well as the operating costs over those required by the methods of the prior art.
579139
Eden James
Trksak Ralph M.
Ablestik Laboratories
Borden Ladner Gervais Llp
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