Preparation of polymeric aryl sulfonamide
AssigneeSun Chemical Corporation
InventorsTimothy Bowles, Robert Lambie Rooney, Clifford John Coles, Brian Rowatt
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Abstract
A method of preparing a polymeric aryl sulfonamide is described which consists of reacting aryl sulfonyl with a polymeric amine in the presence of an acid acceptor. Also, another method of preparing a polymeric aryl sulfonamide is disclosed and consists of: reacting an aryl sulfonyl with a polymeric diamine in the presence of an acid acceptor to result in a linear oligomeric molecule; and reacting the linear oligomeric molecule with a monoamine or an aryl monosulfonyl in the presence of an acid acceptor. The use of polymeric aryl sulfonamides as pigment dipersants and wetting agents is also disclosed.
Claims25
A method of preparing a polymeric aryl sulfonamide comprising reacting an aryl sulfonyl with a polymeric amine in the presence of an acid acceptor.
A method of preparing a polymeric aryl sulfonamide comprising:
- (a) reacting an aryl sulfonyl with a polymeric diamine in the presence of an acid acceptor to result in a linear oligomeric molecule;
- and
- (b) reacting said linear oligomeric molecule with a monoamine or an aryl monosulfonyl in the presence of an acid acceptor.
Dependencies are inferred from the claim text.