Process for making hydrophilic elastomeric polyurethane resin wi

Details Process for making hydrophilic elastomeric polyurethane resin wi Process for making hydrophilic elastomeric polyurethane resin wi

1977-06-06

1979-02-13

Anderson, Philip

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

Synthetic resins

Cellular products or processes of preparing a cellular...

15209R, 15244C, 264 51, 264160, 264321, 521160, 521901, 521905, B29D 2704

Patent

active

041396863

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: 3816233 (1974-06-01), Powers
patent: 3903232 (1975-09-01), Wood et al.
patent: 3912665 (1975-10-01), Spitzer et al.

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