Intumescent composition

Details Intumescent composition Intumescent composition

1976-07-02

1977-01-18

Foelak, Morton

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

106 15FP, 260 25D, 260 25F, 260 294UA, 260 304N, 260 306R, 260 312N, 260 324, 260 725, 260834, 260851, 260DIG24, 427195, 427374R, 428524, 428460, 428529, 428531, 428921, C08J 902

Patent

active

040038645

ABSTRACT:
Intumescent amine-aldehyde copolymer 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 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. The preferred compositions are those in which the amine-aldehyde copolymer is a sulfanilamide-formaldehyde copolymer and the polyol ester is a liquid ester.

REFERENCES:
patent: 3912845 (1975-10-01), Roth
patent: 3922251 (1975-11-01), Roth

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