Methods for making exploded bark products

Details Methods for making exploded bark products Methods for making exploded bark products

1991-03-11

1992-08-04

Fisher, Richard V.

Paper making and fiber liberation

Processes of chemical liberation, recovery or purification...

With non-fiber material added to product

162 13, 162 21, 162 93, 162163, D21H 1100

Patent

active

051356120

ABSTRACT:
A method for making a shaped product comprising exploded bark. Preferably the shaped product comprises exploded softwood bark having at least 23% cellulose and at least 18% lignin and polyphenols content, based upon the dry weight basis of the bark. One of the methods to make the shaped product comprises exploding softwood bark to obtain exploded softwood bark having at least 23% cellulose and at least 18% lignin and polyphenols content, compressing that exploded bark into a shaped product, while removing in part water, and drying the shaped product to remove the remaining water.

REFERENCES:
patent: 1663503 (1928-03-01), Mason
patent: 3984363 (1976-10-01), D'Alelio
patent: 4879066 (1989-11-01), Crompton

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