Textiles: fiber preparation
Patent
1973-01-10
1977-03-29
Jones, Raymond N.
Textiles: fiber preparation
106210, 195115, C12D 1302
Patent
active
040147436
ABSTRACT:
Method for continuous enzyme liquefaction of starch to produce cooked thinned starch pastes, in which an enzyme-containing suspension of raw starch is continuously added to an agitated body of heated converting starch in a single chamber tank, whereby the incoming starch is gelatinized and mixed with the partially converted material to maintain a blend within the tank, having a viscosity low enough to be readily agitated and pumped. A stream of the blend at an established pumpable viscosity is continuously removed from the conversion tank and treated to inactivate the enzyme. The process effectively eliminates problems resulting from the development of temporary peak viscosities in the usual enzyme liquefaction procedures, the equipment requirements are minimal, and the products as produced without further treatment are effective sizes and adhesives.
REFERENCES:
patent: 3133836 (1964-05-01), Winfrey et al.
patent: 3228781 (1966-01-01), Halpert
patent: 3337414 (1967-08-01), Wilson
patent: 3371018 (1968-02-01), Ewing et al.
patent: 3450549 (1969-06-01), Schwalbe
patent: 3616219 (1971-10-01), Massey
patent: 3755144 (1973-11-01), Ware et al.
Jones Raymond N.
Penick & Ford, Limited
Wiseman Thomas G.
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