Low smoke density fire-retardant resins

Details Low smoke density fire-retardant resins Low smoke density fire-retardant resins

1977-01-31

1981-01-20

Michl, Paul R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C08K 322

Patent

active

042461634

ABSTRACT:
Curable aliphatic polyester resin compositions formed from aliphatic unsaturated polycarboxylic acids and polyols and a crosslinking aliphatic vinyl monomer are disclosed. The degree of unsaturation in the polyesters is carefully controlled so that the resin can be cured to produce strong thermoset products. Resins of this nature can be filled with high levels of aluminum hydrate to give compositions that have high oxygen indices and very low smoke densities as measured by the National Bureau of Standards Smoke Chamber. Also, the resins are capable of room temperature curing.

REFERENCES:
patent: 3264372 (1966-08-01), Deichert
patent: 3847865 (1974-11-01), Duggins
patent: 3926902 (1975-12-01), Bowen
W. J. Connolly & A. M. Thornton, Modern Plastics, 43(2), pp. 154, 156, 202, 1965.

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