Process for making hydrophilic polyurethane foams

Details Process for making hydrophilic polyurethane foams Process for making hydrophilic polyurethane foams

1976-07-15

1977-09-27

Rzucidlo, Eugene C.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 25AG, 264 451, C08G 1814

Patent

active

040510816

ABSTRACT:
A process for making a hydrophilic polyurethane foam suitable for sponges and wiping cloths which comprises reacting an organic polyisocyanate and an organic compound having reactive hydrogen atoms in a mixture containing a blowing agent and an alkyl aryl sulphonic acid.

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patent: 2894919 (1959-07-01), Simon et al.
patent: 2938005 (1960-05-01), Bick et al.
patent: 3002937 (1961-10-01), Parker et al.
patent: 3594334 (1971-07-01), Marlin
patent: 3793268 (1974-02-01), Dietrich et al.
patent: 3799898 (1974-03-01), Lamplugh et al.
patent: 3873476 (1975-03-01), Jabs et al.
patent: 3890254 (1975-06-01), Guthrie

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