Flame-proofed polyamide moulding materials

A self-extinguishing, optionally reinforced thermoplastic polyamide molding composition containing alkyl as a flame-proofing agent from 0.1 to 20% by weight of a compound selected from the group consisting of ##STR12## wherein R.sup.1 and R.sup.2 are each hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.4 -C.sub.6 cycloalkyl or phenyl substituted by CH.sub.3,

• R.sup.3 is a C.sub.1 -C.sub.6 aliphatic, C.sub.4 -C.sub.10 cycloaliphatic or a CH.sub.3 -substituted C.sub.6 -C.sub.12 aromatic radical and
• a is an integer from 2 to 5;
• ##STR13## wherein R.sup.5 individually is hydrogen;
• a C.sub.1 -C.sub.10 aliphatic radical;
• a C.sub.4 -C.sub.10 cycloaliphatic radical;
• a C.sub.7 -C.sub.10 araliphatic radical;
• a C.sub.6 -C.sub.10 aromatic radical;
• or one of said radicals substituted by halogen, hydroxy or C.sub.1 -C.sub.4 alkoxy;
• R.sup.6 individually is a C.sub.1 -C.sub.10 aliphatic radical;
• a C.sub.4 -C.sub.10 cycloaliphatic radical;
• a C.sub.7 -C.sub.10 araliphatic radical;
• a C.sub.6 -C.sub.10 aromatic radical;
• or one of said radicals substituted by halogen, cyano, hydroxy, amino, C.sub.1 -C.sub.4 alkylamino, C.sub.1 -C.sub.4 dialkylamino, C.sub.1 -C.sub.4 alkoxy, ##STR14## hydroxycarbonyl or C.sub.2 -C.sub.4 alkoxycarbonyl;
• R.sup.5 and R.sup.6 taken together with the nitrogen atom to which each are joined form a cyclic C.sub.2 -C.sub.8 heterocyclic radical;
• R.sup.7 is hydrogen;
• a C.sub.1 -C.sub.6 aliphatic radical;
• a C.sub.4 -C.sub.10 cycloaliphatic radical;
• a C.sub.7 -C.sub.10 araliphatic radical;
• a C.sub.6 -C.sub.10 aromatic radical or one of said radicals substituted by halogen or hydroxy and x is 0 to 2;
• ##STR15## wherein R.sup.3 ' is hydrogen, a C.sub.1 -C.sub.20 aliphatic radical, a C.sub.4 -C.sub.17 cycloaliphatic radical, a C.sub.7 -C.sub.17 araliphatic radical, or a C.sub.6 -C.sub.15 aromatic radical;
• R.sup.5 and R.sup.6 are as defined above in (B);
• a' is a integer of from 1 to 5;
• b is an integer of from 1 to 2a' and
• c is an integer of from 2a'-b and ##STR16## wherein R.sup.9 is hydrogen;
• a C.sub.2 -C.sub.10 alkylcarbonyl radical;
• a C.sub.1 -C.sub.10 aliphatic radical;
• C.sub.4 -C.sub.10 cycloaliphatic radical;
• a C.sub.7 -C.sub.10 araliphatic radical;
• a C.sub.6 -C.sub.10 aromatic radical or one of said radicals substituted by halogen or hydroxy;
• R.sup.10 is a hydrogen;
• a C.sub.1 -C.sub.10 aliphatic radical;
• a C.sub.4 -C.sub.10 cycloaliphatic radical;
• a C.sub.7 -C.sub.10 araliphatic radical;
• a C.sub.6 -C.sub.10 aromatic radical;
• or one of said radicals substituted by halogen;
• hydroxy or C.sub.1 -C.sub.4 alkoxy;
• or a radical of the formula ##STR17## wherein R.sup.9 is as aforesaid;
• R.sup.11 is a C.sub.1 -C.sub.10 aliphatic radical;
• a C.sub.4 -C.sub.10 cycloaliphatic radical;
• a C.sub.7 -C.sub.10 araliphatic radical;
• a C.sub.6 -C.sub.10 aromatic radical;
• one of said radicals substituted by halogen, cyano, hydroxy, amino, C.sub.1 -C.sub.10 alkylamino, C.sub.1 -C.sub.10 dialkylamino, C.sub.1 -C.sub.10 alkoxy ##STR18## hydroxycarbonyl or C.sub.2 -C.sub.10 alkoxycarbonyl;
• a carbonyl group;
• a group of the formula ##STR19## wherein R.sup.4 is a bond;
• hydrogen;
• an amino group;
• a C.sub.1 -C.sub.20 aliphatic radical;
• a C.sub.4 -C.sub.17 cycloaliphatic radical;
• a C.sub.7 -C.sub.17 araliphatic radical;
• a C.sub.6 -C.sub.15 aromatic radical or one of said radicals substituted by halogen.