Surface-modified polyacrylonitrile beads

Details Surface-modified polyacrylonitrile beads Surface-modified polyacrylonitrile beads

1990-07-11

1992-08-11

Lipman, Bernard

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

5253291, 5253292, 5253293, 525356, 5253591, 5253592, 5253593, 5253594, 5253595, 5253596, G08F 822

Patent

active

051379830

ABSTRACT:
A bead composition is disclosed herein which comprises a core of a polyacrylonitrile homopolymer or copolymer and a surface of pendant N-haloamide groups. Also disclosed is a process for the production of said composition.

REFERENCES:
patent: 2812314 (1957-11-01), Basdekis
patent: 2952651 (1960-09-01), Armen et al.
patent: 3200102 (1965-08-01), Kleiner
patent: 3441545 (1969-04-01), Blatz et al.
patent: 3538065 (1970-11-01), Griffith et al.
patent: 3549548 (1970-12-01), Newman
patent: 3687908 (1972-08-01), Picklesimer
patent: 3864323 (1975-02-01), Stoy
patent: 4755562 (1988-07-01), Alexander et al.

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