Method for repulping fibrous materials containing crosslinked po

Details Method for repulping fibrous materials containing crosslinked po Method for repulping fibrous materials containing crosslinked po

1993-02-01

1994-07-19

Hastings, Karen M.

Paper making and fiber liberation

Processes of chemical liberation, recovery or purification...

Waste paper or textile waste

162 72, 435278, D21C 502

Patent

active

053306198

ABSTRACT:
A method for treating fibrous sheet materials such as paper or paperboard containing polyamide resin as a wet strength agent which comprises reacting the fibrous materials with an enzyme to hydrolyze the resin and thereby improve repulping of the fibrous materials.

REFERENCES:
patent: 2834809 (1958-05-01), Schutte et al.
patent: 3966543 (1976-06-01), Cayle et al.
patent: 4009313 (1977-02-01), Crawford et al.
patent: 4330365 (1982-05-01), Tessler
patent: 4450048 (1984-05-01), Schulz
patent: 4461648 (1984-07-01), Foody
patent: 4649113 (1987-03-01), Gould
patent: 4663043 (1987-05-01), Molin et al.
patent: 4842877 (1989-06-01), Tyson
patent: 4980023 (1990-12-01), Salkinoja-Salonen
patent: 5023097 (1991-06-01), Tyson
Condensed Chemical Dictionary, polyamide, p. 828, 1981.
Bell, Huang and Knox, "Synthesis and Testing of Polymers Susceptible to Hydrolysis by Protective Enzyme." U.S. Army Natick Labs, Aug. 1974.
Espy, "The Chemistry of Wet-Strength Broke Repulping," Progress in Paper Recycling, pp. 17-23, Aug. 1992.
Andreoni, Baggi, and Manfrin, "Prospects and Limits of Bio-degradability of Synthetic Polyimides," Ann. Microbiol. Enzimol., 40(1), 61-71, 1990.

Affiliated with

Also associated with

Rating

Method for repulping fibrous materials containing crosslinked po does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method for repulping fibrous materials containing crosslinked po, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for repulping fibrous materials containing crosslinked po will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-517596