Flameproofing agent for polyamide resins

Details Flameproofing agent for polyamide resins Flameproofing agent for polyamide resins

1974-11-12

1976-09-14

Jacobs, Lewis T.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 459NC, 260 78S, 260 78SC, C08K 520, C08K 534

Patent

active

039806162

ABSTRACT:
Flame resistance is imparted to polyamide resins by the process which comprises melting said polyamide at a temperature between the softening point of the polyamide and 250.degree.C, and adding a flameproofing quantity of a flameproofing agent to said melt, and thereafter solidifying said melt whereby said polyamide is flameproofed to an extent of UL-94, said flame proofing agent being selected from the group consisting of ##EQU1## wherein R is the same or different and represents hydrogen or lower alkyl, formamide and mixtures thereof.

REFERENCES:
patent: 3624252 (1971-11-01), Labarge
patent: 3627737 (1971-12-01), Smith
patent: 3660344 (1972-05-01), Michael et al.
patent: 3793289 (1974-02-01), Koch et al.
patent: 3843650 (1974-10-01), Pews et al.
patent: 3888822 (1975-06-01), Gilleo

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