Lightly cross-linked polyurethane hydrogels based on poly(alkyle

Details Lightly cross-linked polyurethane hydrogels based on poly(alkyle Lightly cross-linked polyurethane hydrogels based on poly(alkyle

1974-06-18

1976-02-17

Cockeram, H. S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 25AD, 260 25AY, 260 775AP, C08G 1866, C08G 1814

Patent

active

039391230

ABSTRACT:
Polyurethane hydrogels of high water swellability comprising lightly crosslinked polymers of isocyanate terminated prepolymers which are the reaction production of (i) poly(alkyleneoxy) polyols with (ii) organic diisocyanates that has been lightly crosslinked with (iii) water or an organic polyamine.

REFERENCES:
patent: 3164565 (1965-01-01), Calamari
patent: 3627714 (1971-12-01), Merkl
patent: 3694301 (1972-09-01), Gruenewald
patent: 3778390 (1973-12-01), Ulrich
patent: 3821136 (1974-06-01), Hudgin
patent: 3822238 (1974-07-01), Blair

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