Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Rod – strand – filament or fiber
Patent
1974-06-18
1976-02-24
Cockeram, H. S.
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Rod, strand, filament or fiber
260 25AY, 260 25AD, 260 775SP, 264184, 428425, B32B 2708, C08G 1814, B32B 2740
Patent
active
039405427
ABSTRACT:
Method for the production of water swellable, lightly crosslinked, hydrogel polymer tapes or fibers comprises extruding an isocyanato terminated prepolymer of a poly(alkyleneoxy) polyol and an organic diisocyanate into a coagulant or crosslinking bath containing water or organic polyamine as the crosslinker.
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patent: 3821136 (1974-06-01), Hudgin et al.
patent: 3822238 (1974-07-01), Blair et al.
Jones, Jr. Allen Paul
Knopf Robert John
Matthews Virgil Edison
Cockeram H. S.
Fazio Francis M.
Union Carbide Corporation
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