Modified materials based on polyacrylonitrile and process for th

Details Modified materials based on polyacrylonitrile and process for th Modified materials based on polyacrylonitrile and process for th

1995-05-23

1997-02-04

Lilling, Herbert J.

Chemistry: molecular biology and microbiology

Micro-organism, tissue cell culture or enzyme using process...

Preparing nitrogen-containing organic compound

435227, 435232, 435840, C12P 1302, C12N 988

Patent

active

055996981

ABSTRACT:
The invention relates to modified materials based on polyacrylonitrile having amidic groups on their surface. The modification gives the material greater hydrophilic characteristics improving its comfort properties. In addition, it permits the polyacrylonitrile to be dyed also with acidic dyes thus making it possible for it to be used for the preparation of yarns mixed with natural fibres, such as wool for example. The process for their production involves treatment of the material with enzymes of the nitrile hydratasis class obtained from Brevibacterium imperiale.

REFERENCES:
patent: 4390631 (1983-06-01), Watanabe et al.
patent: 4851342 (1989-07-01), Watanabe et al.
patent: 4908313 (1990-03-01), Satoh et al.
patent: 5302528 (1994-04-01), Battistel et al.

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