Chemistry of carbon compounds – Miscellaneous organic carbon compounds
Patent
1976-07-02
1977-01-18
Foelak, Morton
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
106 15FP, 260 25D, 260 25F, 260 18PN, 260 308DS, 260 326N, 260 328N, 260 328EP, 260 332EP, 260 334EP, 260830P, 260830S, 260831, 260834, 260836, 427195, 427374R, 428460, 428529, 427531, 427921, 428524, C08J 902
Patent
active
040038637
ABSTRACT:
Intumescent amine-aldehyde copolymer/epoxy resin compositions having improved UV stability are obtained by incorporating about 0.5-75% by weight of a polyol polyacrylate or polyol polymethacrylate into an intumescent composition comprising (A) a low molecular weight, water-insoluble amine-aldehyde copolymer consisting essentially of repeating units which correspond to the formula: wherein Q is the residue of an alkanal containing 1-5 carbon atoms and R is hydrogen, alkyl, haloalkyl, alkoxy, haloalkoxy, halo, nitro, acetamido, or sulfonamido and (B) an epoxy resin. The preferred compositions are those in which the amine-aldehyde copolymer is a sulfanilamide-formaldehyde copolymer, the epoxy resin is a liquid glycidyl ether epoxy resin, and the polyol ester is a liquid ester.
REFERENCES:
patent: 3899546 (1975-08-01), Stoy et al.
patent: 3922251 (1975-11-01), Roth
Roth Shirley H.
Stoy William S.
Cities Service Company
Foelak Morton
Hogan Patricia J.
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