Process for producing reactive, homogeneous, self-bondable ligno

Details Process for producing reactive, homogeneous, self-bondable ligno Process for producing reactive, homogeneous, self-bondable ligno

1975-01-13

1977-05-10

Griffin, Ronald W.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carbohydrates or derivatives

162 24, 162 26, 162 65, 162 78, 241 28, C08B 100, D21B 104

Patent

active

040229653

ABSTRACT:
A novel process for producing reactive, homogeneous, self-bondable lignocellulose fibers is provided in which individual, separate, lignocellulose fibers are oxidatively modified, employing oxidative reagent system. Pursuant to the teachings of the present invention, the oxidative modification step is conducted in a controlled manner, for example, employing a confrication step, using a liquid-phase reagent system, the subject product fibers, prior to sheet formation, being substantially free of residual oxidative reagent. Sheets are formed from the product fibers on subsequent bonding, employing mild formation conditions, the sheets having improved dry- and wet-strength properties.

REFERENCES:
patent: 2247208 (1941-06-01), Schorger
patent: 2368527 (1945-01-01), Edelstein
patent: 3023140 (1962-02-01), Textor
patent: 3069309 (1962-12-01), Fennell
patent: 3193445 (1965-07-01), Parker et al.
patent: 3492199 (1970-01-01), Kindron et al.
patent: 3719552 (1973-03-01), Farley et al.
patent: 3900334 (1975-08-01), Brink
patent: 3915959 (1975-10-01), Goheen et al.

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