Fire-resistant synthetic resin composition and method

Details Fire-resistant synthetic resin composition and method Fire-resistant synthetic resin composition and method

1977-04-29

1978-08-15

Jacobs, Lewis T.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 172, 528129, 528155, 528156, 528165, C08L 6106

Patent

active

041071271

ABSTRACT:
A resinous product has high resistance to flame spread, low heat release, and exhibits a low smoke-developed rating when exposed to flame or to indirect or radiant heat, and is flexible, tough, free of hydraulic cement, and resistant to cracking and embrittlement upon curing. Such a product is the condensation product of resorcinol with or without included phenol, and a minor amount of paraformaldehyde and aqueous formaldehyde solution. The resorcinol starting material of this invention can also suitably be used in the form of a B-stage or partially cured resin of resorcinol-phenol-formaldehyde which is then condensed with the paraformaldehyde and, if necessary, additional formaldehyde. The product is useful as a cast material or as laminated with fiberglass or can contain fillers or the like. A method of making the product and articles is provided.

REFERENCES:
patent: 2489336 (1949-11-01), Spahr et al.
patent: 3328354 (1967-06-01), Dietrick
patent: 3919151 (1975-11-01), Moult et al.
Modern Plastics Encyclopedia, 1968 (McGraw-Hill) (N.Y.), (Sep. 1967), pp. 590-593.

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