Paper making and fiber liberation – Processes and products – Non-fiber additive
Patent
1984-10-22
1986-11-18
Chin, Peter
Paper making and fiber liberation
Processes and products
Non-fiber additive
1621641, 1621681, 162175, 162179, D21H 312
Patent
active
046234284
ABSTRACT:
Sizing agents, which are novel compounds and contain at least one anionic or acidic sulfonylcarbonylimide group which may be in salt form and at least two hydrophobic substituents of which at least two are linked to each other through a bridge member of the formula --CO--NH--A.sub.1 --(SO.sub.2 --NH--CO).sub.t, where A.sub.1 is a divalent or trivalent aliphatic, cycloaliphatic or aromatic radical of up to 10 carbon atoms, and t is 1 or 2, are particularly suitable, together with commercially available retention aids, for use in a process for sizing paper or cardboard.
REFERENCES:
patent: 3050437 (1962-08-01), Arlt
patent: 3084092 (1963-04-01), Arlt, Jr.
patent: 3330848 (1967-07-01), Ulrich
patent: 3345251 (1967-10-01), Gaertner
patent: 3454606 (1969-07-01), Brotherton et al.
patent: 3491064 (1970-01-01), Enders et al.
patent: 3576712 (1971-04-01), Hine, Jr. et al.
patent: 3700623 (1972-10-01), Kelm et al.
patent: 4729794 (1981-07-01), Dumas
Bernheim Michael
Meindl Hubert
Rohringer Peter
Wegmuller Hans
Werthemann Dieter
Chin Peter
Ciba-Geigy Corporation
Mansfield Kevin T.
McC. Roberts Edward
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