Salts of triazinic compounds with phosphorus oxyacids, and use of said compounds in self-extinguishing polymeric compositions

Salts of triazinic compounds with phosphorus oxyacids, having the general formula (I):

• ##STR85## wherein:
• R is H or
• --[--C.sub.p H.sub.2p --]--O--R.sub.4
• in which p is an integer comprised within the range of from 2 to 8;
• and
• R.sub.4 is H;
• (C.sub.1 -C.sub.8)-alkyl;
• (C.sub.2 -C.sub.8)-alkenyl;
• --[--C.sub.q H.sub.2q --]--O--R.sub.5,
• in which q is an integer comprised within the range of from 1 to 4;
• and
• R.sub.5 is H or (C.sub.1 -C.sub.4)-alkyl;
• (C.sub.6 -C.sub.12)-cycloalkyl or alkylcycloalkyl;
• R.sub.1 is (C.sub.1 -C.sub.4)-alkyl or R;
• or the moiety:
• ##STR86## is replaced by a heterocyclic radical bonded to the triazinic ring through the nitrogen atom;
• wherein said heterocyclic radical is selected from the group consisting of aziridine, pyrrolidine, piperidine, and piperazine radicals;
• n is an integer comprised within the range of from 2 to 50;
• m is a numeral smaller than, or equal to, n;
• z is a divalent or polyvalent radical falling within the scope of one of following formulae:
• ##STR87## wherein the --R.sub.6 radicals, which may be the same, or different from each other, are hydrogen or (C.sub.1 -C.sub.4)-alkyl;
• ##STR88## wherein t is an integer comprised within the range of from 2 to 14;
• R.sub.7 is hydrogen, (C.sub.1 -C.sub.4)-alkyl, (C.sub.2 -C.sub.6)-alkenyl, (C.sub.1 -C.sub.4)-hydroxyalkyl;
• ##STR89## wherein s is an integer comprised within the range of from 2 to 5 and w is an integer comprised within the range of from 1 to 3;
• ##STR90## wherein:
• X is a direct --C--C--;
• O;
• S;
• S--S;
• SO;
• SO.sub.2 ;
• NH;
• NHSO.sub.2 ;
• NHCO;
• N=N;
• CH.sub.2 bond;
• R.sub.8 is hydrogen;
• hydroxy;
• (C.sub.1 -C.sub.4)-alkyl;
• (C.sub.1 -C.sub.4)-alkoxy;
• ##STR91## wherein "A" can be a saturated or unsaturated cycle;
• ##STR92## wherein s has the above defined meaning;
• ##STR93## wherein;
• R.sub.9 is hydrogen or (C.sub.1 -C.sub.4)-alkyl;
• r is an integer comprised within the range of from 1 to 5;
• the indexes s, which are the same, or may be different from each other, have the above defined meaning;
• ##STR94## wherein:
• R.sub.9 has the above defined meaning;
• v is an integer comprised within the range of from 2 to 4;
• d is either 1 or 2;
• R.sub.2 is H;
• OH;
• --O--(C.sub.1 -C.sub.8)-alkyl;
• --O--(C.sub.6 -C.sub.12)-aryl, possibly substituted with a (C.sub.1 -C.sub.8)-alkyl;
• (C.sub.7 -C.sub.16)-aralkyl;
• (C.sub.1 -C.sub.4)-alkyl possibly substituted with a carboxy group;
• (C.sub.6 -C.sub.12)-aryl;
• R.sub.3 is H;
• OH;
• --O--(C.sub.1 -C.sub.8)-alkyl;
• --O--(C.sub.6 -C.sub.12)-aryl, (C.sub.1 -C.sub.4)-alkyl;
• (C.sub.6 -C.sub.12)-aryl;
• R.sub.3 furthermore is:
• ##STR95## wherein:
• R.sub.10 is hydrogen or (C.sub.1 -C.sub.12)-alkyl;
• Y is OH or R.sub.10 ;
• ##STR96## wherein:
• R.sub.10 has the same meaning as defined hereinabove and R.sub.11 radicals, which are the same, or may be different from each other, are hydrogen or (C.sub.1 -C.sub.4)-alkyl;
• or the moiety:
• ##STR97## is replaced by a heterocyclic radical bonded to the carbon atom through the nitrogen atom wherein said heterocyclic radical is selected from the group consisting of azirdine, pyrrolidine, piperidine, or piperazine radicals;
• ##STR98## wherein:
• R.sub.12 is hydrogen or (C.sub.1 -C.sub.8)-alkyl;
• and
• w has the same meaning as defined hereinabove;
• ##STR99## wherein:
• R.sub.13 is hydrogen or hydroxy;
• ##STR100## wherein:
• u has the same meaning as defined above;
• or
• R.sub.2 and R.sub.3, taken together, may constitute a cyclic structure having the formula:
• ##STR101##