Intumescent fire retardant compositions containing pentaerythrit

Details Intumescent fire retardant compositions containing pentaerythrit Intumescent fire retardant compositions containing pentaerythrit

1976-01-19

1978-07-11

Hoke, V. P.

Compositions: coating or plastic

Coating or plastic compositions

Contains fireproofing or biocidal agent

260 458R, C08K 553

Patent

active

040999750

ABSTRACT:
Intumescent coating compositions comprising a coating vehicle and a non-flaming intumescent agent of the formula ##STR1## wherein both X's are identical and selected from the group comprising oxygen and sulfur and wherein each Y is independently selected from the group consisting of alkoxy, halogenated alkoxy, cycloalkoxy, halogenated cycloalkoxy, olefinicoxy, halogenated olefinicoxy and --NR.sub.2 groups, wherein each R is independently selected from the group consisting of hydrogen, alkyl, halogenated alkyl, olefinic, and halogenated olefinic groups, said alkoxy, cycloalkoxy, olefinicoxy, alkyl and olefinic groups containing from 1 to about 12 carbon atoms and said halogenated groups containing from 1 to about 6 halogen substituents per group. A method for protecting a substrate from heat and fire comprising applying to the substrate an intumescing amount of the above described intumescent agents.

REFERENCES:
patent: 3090799 (1963-12-01), Wahl et al.
patent: 3584085 (1971-06-01), Hartmann
patent: 3645971 (1972-02-01), Hindersinn
patent: 3810838 (1974-05-01), Haugen
patent: 3866405 (1975-02-01), Knopka
patent: 3997505 (1976-12-01), Albright

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