Starch ether derivatives, a method for the preparation thereof a

Details Starch ether derivatives, a method for the preparation thereof a Starch ether derivatives, a method for the preparation thereof a

1977-09-06

1978-10-10

Bashore, S. Leon

Paper making and fiber liberation

Processes and products

Non-fiber additive

536 49, 536 50, 536108, 536111, D21H 328

Patent

active

041194870

ABSTRACT:
Novel starch ether derivatives are prepared by reacting starch with 3-chloro-2-sulfopropionic acid. The resulting 2-sulfo-2-carboxyethyl starch ether derivatives find use in many applications, but are particularly useful as pigment retention aids in papermaking processes.

REFERENCES:
patent: 2895987 (1959-07-01), Hendry
patent: 2989520 (1961-06-01), Rutenberg et al.
patent: 3467647 (1969-09-01), Benninga

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