Chemistry of carbon compounds – Miscellaneous organic carbon compounds
Patent
1975-01-23
1976-10-19
Jacobs, Lewis T.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
260 775AR, C08G 1800
Patent
active
039870138
ABSTRACT:
Methylol phosphines, methylol phosphines in combination with amine or amido compounds or water soluble adducts of these methylol phosphines and amides or amines when mixed and reacted with mono, di or polyisocyanates wherein the isocyanate groups are attached to carbon atoms are particularly valuable for the preparation of thermosetting flame resistant polymers. The polymers which are produced are crosslinked phosphorus and nitrogen containing polymers in which the reoccurring structure units each contain a phosphorus atom, that is a component of a radical of the group tris(methylene)-phosphine (--CH.sub.2).sub.3 P and is linkd to at least one isocyanate radical by connecting urethane structure.
The polymer forming solutions are also valuable for the preparation of flame-, glow-, wrinkle- and shrink-resistant textiles by impregnating fabrics with these solutions and causing reaction and polymer formation by application of heat.
Beninate John V.
Daigle Donald J.
Donaldson Darrell J.
Drake George L.
Reeves Wilson A.
Cangemi Salvador J.
Jacobs Lewis T.
McConnell David G.
Silverstein M. Howard
The United States of America as represented by the Secretary of
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