Process for de-inking printed waste cellulosic fibrous material

Details Process for de-inking printed waste cellulosic fibrous material Process for de-inking printed waste cellulosic fibrous material

1974-05-28

1976-01-13

Bashore, S. Leon

Paper making and fiber liberation

Processes of chemical liberation, recovery or purification...

Waste paper or textile waste

162 4, D21C 502

Patent

active

039322068

ABSTRACT:
Waste printed, cellulosic fibrous material is deinked by using a biodegradable de-inking agent which is non-toxic to aquatic life, said agent comprising an ethoxylated aliphatic mono-ol having about 14-15 carbon atoms in the aliphatic chain and about 8-12 ethyleneoxy units per mole of said mono-ol or an ethoxylated aliphatic di-ol having from 14 to 30 carbon atoms in the aliphatic chain and from 8 to 24 ethyleneoxy units per mole of said di-ol wherein the hydroxy groups in the di-ol are present on adjacent non-terminal carbon atoms in the aliphatic chain.

REFERENCES:
patent: 3056713 (1962-10-01), Gartner
patent: 3069308 (1962-12-01), Lissant
patent: 3354028 (1967-11-01), Illingworth et al.
patent: 3392083 (1968-02-01), Illingworth
patent: 3446696 (1969-05-01), Illingworth
patent: 3808089 (1974-04-01), Von Koeppen et al.

Affiliated with

Also associated with

Rating

Process for de-inking printed waste cellulosic fibrous material does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for de-inking printed waste cellulosic fibrous material, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for de-inking printed waste cellulosic fibrous material will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-744701