Regenerated cellulose based materials with improved resistance t

Details Regenerated cellulose based materials with improved resistance t Regenerated cellulose based materials with improved resistance t

1995-09-25

1998-12-22

Chin, Peter

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

524 35, 524 36, 527100, 527312, C08L 100

Patent

active

058520660

ABSTRACT:
A first object of the present invention is constituted by regenerated cellulose based materials, in particular those selected from cellular cellulose materials, fibers, filaments, sheets, textiles and non-woven materials. They contain an effective quantity of at least one chemical agent which improves the resistance of the material to bleach; the chemical agent containing in its structure at least one nitrogen atom .alpha. to a carbon atom and being fixed by at least one covalent bond to the cellulose lattice and/or being trapped in said lattice. Further objects are constituted by the use of chemical agents to improve the resistance to bleach of regenerated cellulose based materials, in particular sponges, and a process for the preparation of these materials.

REFERENCES:
patent: 3606993 (1971-09-01), Arthur et al.
patent: 3639096 (1972-02-01), Wright, III
patent: 5002984 (1991-03-01), Rainer
patent: 5160503 (1992-11-01), Smith

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