Starch fibrids useful in enhancing the physical properties of pa

Details Starch fibrids useful in enhancing the physical properties of pa Starch fibrids useful in enhancing the physical properties of pa

1980-06-23

1982-07-20

Chin, Peter

Paper making and fiber liberation

Processes and products

Plural fiber containing

162190, 264 13, 264 14, D21H 512

Patent

active

043404421

ABSTRACT:
Starch fibrids useful in enhancing the physical properties of non-woven webs, e.g., paper, are produced by a process which comprises providing an aqueous, alkaline solution of a water-insoluble starch in a finely divided form, e.g., in the form of an aerosol, and introducing the finely divided starch solution into an agitated, aqueous precipitating medium comprising a precipitating salt to thereby produce starch fibrids characterized by having both film and fiber morphology. The starch fibrids are recovered from the salt-containing liquid and may be incorporated into paper to improve the physical properties thereof.

REFERENCES:
patent: 2902336 (1959-09-01), Hiemstra et al.
patent: 2999788 (1961-09-01), Morgan
patent: 3441473 (1969-04-01), Brundige et al.
patent: 4139699 (1979-02-01), Hernandez et al.
patent: 4205025 (1980-05-01), Hart et al.

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