Catalyst – solid sorbent – or support therefor: product or process – Solid sorbent – Organic
Patent
1995-08-29
1998-03-24
Peselev, Elli
Catalyst, solid sorbent, or support therefor: product or process
Solid sorbent
Organic
536 551, 536 56, 536 58, 536124, B01J 2000, C07H 100, C08B 300
Patent
active
057312591
ABSTRACT:
A synthesis is described for the preparation of cationic polymer materials with a semisynthetic matrix, having superabsorption characteristics towards water and saline solutions. More particularly, cellulose cationic derivatives are described, having superabsorption characteristics, which are obtained starting from cellulose substrates which are reacted with an excess of quaternary ammonium compound in an alkaline medium.
REFERENCES:
patent: 3823133 (1974-07-01), Hurst et al.
Carlucci Giovanni
Palumbo Gianfranco
Peselev Elli
Societa Consortile Ricerche Angelini S.p.A.
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