Rigid materials having high surface area and low density

Details Rigid materials having high surface area and low density Rigid materials having high surface area and low density

1993-04-27

1994-07-12

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

5211091, 521186, 536 20, C08B 3708

Patent

active

053289390

ABSTRACT:
This invention relates to highly porous, crosslinked bodies derived from nitrogen-containing polymers, and a process of producing the porous bodies which comprises dissolving a nitrogen-containing polymer to form a gel, ionically crosslinking the gel, and covalently further crosslinking the ionically crosslinked gel body.

REFERENCES:
patent: 4125708 (1978-11-01), Masri et al.
patent: 4336070 (1989-06-01), Koshugi
patent: 4833237 (1989-05-01), Kawamura et al.
patent: 4879340 (1989-11-01), Moriguchi et al.

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