Chemistry of carbon compounds – Miscellaneous organic carbon compounds
Patent
1975-11-03
1977-01-04
Czaja, Donald E.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
260 458A, 260 78S, 260 78SC, C08K 534
Patent
active
040011771
ABSTRACT:
Flame-retarding polyamide composition having excellent mechanical and flame retardant properties is disclosed. The composition comprises polyamide, about 3 to 40% by weight of melamine on the basis of the polyamide, and about 0.5 to 20% by weight on the basis of the polyamide and about 2 to 75% by weight on the basis of melamine of a compound represented by a compound selected from the group consisting of the following formulas (I) and (II) ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5 and R.sub.6 are the same or different radicals selected from the group consisting of hydrogen, alkyl, alicyclic and aromatic radicals having from 1 to 10 carbon atoms, and from such radicals having a substituent selected from the group consisting of --OH, --COOR' and --CONH.sub.2, wherein R' is aliphatic alkyl group having from 1 to 5 carbon atoms.
REFERENCES:
patent: 3660344 (1972-05-01), Michael et al.
patent: 3793289 (1974-02-01), Koch et al.
patent: 3931101 (1976-01-01), Dany et al.
patent: 3943100 (1976-03-01), Berenbaum et al.
patent: 3950306 (1976-04-01), Pews et al.
Aoyama Toshikazu
Kato Nobuo
Morikawa Masanobu
Nagai Kazumi
Tsutsumi Tadao
Czaja Donald E.
Toray Industries Inc.
White R. A.
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