Flame retardant systems

Details Flame retardant systems Flame retardant systems

1975-06-06

1976-12-21

Czaja, Donald E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260 25AJ, 260 458N, 260 459NC, 260 4595C, 260297R, 260561R, C08K 520, C08K 534, C08K 541

Patent

active

039989135

ABSTRACT:
The known compound, 1,2,3,4,9,9-hexachloro-1,4-dihydro-1,4-methanonapthalene-5,8-diol (I) is an excellent flame retardant for ABS resins and polyurethanes, particularly, polyether-based polyurethanes. Compound (I) also forms novel molecular complexes with weak bases such as pyridine, pyridine HCl, pyridine oxide, dimethylsulfoxide and dimethylformamide, and which are excellent flame retardants for ABS resins. Compound (I) also exhibits unusual synergistic flame retardant effects in ABS resins and other polymers when used together with certain additives that are not themselves flame retardants.

REFERENCES:
patent: 2568809 (1951-09-01), Kaiser
patent: 2775591 (1956-12-01), Craig et al.
patent: 3843598 (1974-10-01), Stach et al.
patent: 3850943 (1974-11-01), Bowden et al.
patent: 3954770 (1976-05-01), Mayerhoefer et al.

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