US 5,223,560 AGranted

Self-extinguishing polymeric compositions

AssigneeMinistero Dell'Universita' e Della Ricerca Scientifica e Tecnologica

InventorsRoberto Cipolli, Enrico Masarati, Gilberto Nucida, Mario Pirozzi, Roberto Oriani

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Abstract

Polymeric compositions endowed with high self-extinguishing characteristics hen exposed to a flame, based on thermoplastic polymers or polymers endowed with elastomeric properties, in particular olefinic polymers or copolymers comprising: (a) from 89 to 45 parts by weight of a thermoplastic polymer, or of a polymer, or of a polymer endowed with elastomeric properties; (b) from 8 to 30 parts by weight of one or more ammonium or amine phosphate(s) and/or phosphonate(s); (c) from 3 to 25 parts by weight of one or more compound(s) derivatives of 2,4,6-triamino-1,3,5-triazine, having the general formula (I): ##STR1##

Claims12

Dependent claims

Polymeric self-extinguishing compositions comprising:

(a) from 89 to 45 parts by weight of a thermoplastic polymer, or of a polymer endowed with elastomeric properties;
(b) from 8 to 30 parts by weight of one or more ammonium or amine phosphate(s) and/or phosphonate(s);
(c) from 3 to 25 parts by weight of one or more compound(s) derivatives of 2,4,6-triamino-1,3,5-triazine, having the formula (I):
##STR109## wherein the radicals from R to R.sub.3, which can be either equal to or different from one another, and can have different meanings in each triazinic ring are:
H;
(C.sub.1 -C.sub.18)-alkyl;
(C.sub.2 -C.sub.8)-alkenyl;
(C.sub.6 -C.sub.16)-cycloalkyl or -alkylcycloalkyl, optionally substituted with a hydroxy or (C.sub.1 -C.sub.4)-hydroxyalkyl function;
##STR110## wherein:
n=an integer within the range of from 2 to 8;
m=an integer within the range of from 2 to 6;
R.sub.5 =H;
(C.sub.1 -C.sub.8)-alkyl;
(C.sub.2 -C.sub.6)-alkenyl;
--C.sub.p H.sub.2p --O--R.sub.7 ;
wherein p is an integer within the range of from 1 to 4 and R.sub.7 is either H or a (C.sub.1 -C.sub.4)-alkyl;
(C.sub.6 -C.sub.12)-cycloalkyl or -alkylcycloalkyl;
the radicals R.sub.6, which can be either equal to, or different from, one another, are:
H;
(C.sub.1 -C.sub.8)-alkyl;
(C.sub.2 -C.sub.6)-alkenyl;
(C.sub.6 -C.sub.12)-cycloalkyl or -alkylcycloalkyl;
(C.sub.1 -C.sub.4)-hydroxyalkyl;
or the moiety:
##STR111## is replaced by a heterocyclic radical linked to the alkyl chain through the nitrogen atom and possibly containing another heteroatom;
or in formula (I) at least one of the moieties ##STR112## is replaced by a heterocyclic radical linked to the triazinic ring through the nitrogen atom and optionally containing another heteroatom;
a is either 0 or 1;
b is 0 or an integer within the range of from 1 to 5;
R.sub.4 is hydrogen or:
R.sub.4 is hydrogen or:
##STR113## and its meaning can vary inside each repeating unit;
when b is zero, Z is a divalent radical comprised in one of the following formulas:
##STR114## where radicals R.sub.8, like or different from one another, are hydrogen or (C.sub.1 -C.sub.4)-alkyl;
##STR115## where r is an integer comprised within the range of from 2 to 14;
R.sub.9 is hydrogen;
(C.sub.1 -C.sub.4)-alkyl;
(C.sub.2 -C.sub.6)-alkenyl;
(C.sub.1 -C.sub.4)-hydroxyalkyl;
##STR116## where s is an integer within the range of from 2 to 5 and t is an integer within the range of from 1 to 3;
##STR117## where:
X is a direct bond C--C;
O;
S;
S--S;
SO;
SO.sub.2 ;
NH;
NHSO.sub.2 ;
NHCO;
N.dbd.N;
CH.sub.2 ;
R.sub.10 is hydrogen;
hydroxyl;
(C.sub.1 -C.sub.4)-alkyl;
(C.sub.1 -C.sub.4)-alkoxyl;
##STR118## where A can be a saturated or unsaturated cycle;
##STR119## where s has the hereinabove defined meaning;
when b is an integer within the range of from 1 to 5, the group:
##STR120## is a polyvalent radical comprised in one of the following formulas:
##STR121## where:
R.sub.11 is either hydrogen or (C.sub.1 -C.sub.4)-alkyl;
c is an integer within the range of from 1 to 5;
the indexes s, which can be either equal to or different from each other, have the hereinabove defined meaning;
##STR122## where:
R.sub.11 has the hereinabove defined meaning;
w is an integer within the range of from 2 to 4;
d is either 1 or 2.

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Dependencies are inferred from the claim text.

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Abstract

Polymeric self-extinguishing compositions comprising:

(a) from 89 to 45 parts by weight of a thermoplastic polymer, or of a polymer endowed with elastomeric properties;
(b) from 8 to 30 parts by weight of one or more ammonium or amine phosphate(s) and/or phosphonate(s);
(c) from 3 to 25 parts by weight of one or more compound(s) derivatives of 2,4,6-triamino-1,3,5-triazine, having the formula (I):
##STR109## wherein the radicals from R to R.sub.3, which can be either equal to or different from one another, and can have different meanings in each triazinic ring are:
H;
(C.sub.1 -C.sub.18)-alkyl;
(C.sub.2 -C.sub.8)-alkenyl;
(C.sub.6 -C.sub.16)-cycloalkyl or -alkylcycloalkyl, optionally substituted with a hydroxy or (C.sub.1 -C.sub.4)-hydroxyalkyl function;
##STR110## wherein:
n=an integer within the range of from 2 to 8;
m=an integer within the range of from 2 to 6;
R.sub.5 =H;
(C.sub.1 -C.sub.8)-alkyl;
(C.sub.2 -C.sub.6)-alkenyl;
--C.sub.p H.sub.2p --O--R.sub.7 ;
wherein p is an integer within the range of from 1 to 4 and R.sub.7 is either H or a (C.sub.1 -C.sub.4)-alkyl;
(C.sub.6 -C.sub.12)-cycloalkyl or -alkylcycloalkyl;
the radicals R.sub.6, which can be either equal to, or different from, one another, are:
H;
(C.sub.1 -C.sub.8)-alkyl;
(C.sub.2 -C.sub.6)-alkenyl;
(C.sub.6 -C.sub.12)-cycloalkyl or -alkylcycloalkyl;
(C.sub.1 -C.sub.4)-hydroxyalkyl;
or the moiety:
##STR111## is replaced by a heterocyclic radical linked to the alkyl chain through the nitrogen atom and possibly containing another heteroatom;
or in formula (I) at least one of the moieties ##STR112## is replaced by a heterocyclic radical linked to the triazinic ring through the nitrogen atom and optionally containing another heteroatom;
a is either 0 or 1;
b is 0 or an integer within the range of from 1 to 5;
R.sub.4 is hydrogen or:
R.sub.4 is hydrogen or:
##STR113## and its meaning can vary inside each repeating unit;
when b is zero, Z is a divalent radical comprised in one of the following formulas:
##STR114## where radicals R.sub.8, like or different from one another, are hydrogen or (C.sub.1 -C.sub.4)-alkyl;
##STR115## where r is an integer comprised within the range of from 2 to 14;
R.sub.9 is hydrogen;
(C.sub.1 -C.sub.4)-alkyl;
(C.sub.2 -C.sub.6)-alkenyl;
(C.sub.1 -C.sub.4)-hydroxyalkyl;
##STR116## where s is an integer within the range of from 2 to 5 and t is an integer within the range of from 1 to 3;
##STR117## where:
X is a direct bond C--C;
O;
S;
S--S;
SO;
SO.sub.2 ;
NH;
NHSO.sub.2 ;
NHCO;
N.dbd.N;
CH.sub.2 ;
R.sub.10 is hydrogen;
hydroxyl;
(C.sub.1 -C.sub.4)-alkyl;
(C.sub.1 -C.sub.4)-alkoxyl;
##STR118## where A can be a saturated or unsaturated cycle;
##STR119## where s has the hereinabove defined meaning;
when b is an integer within the range of from 1 to 5, the group:
##STR120## is a polyvalent radical comprised in one of the following formulas:
##STR121## where:
R.sub.11 is either hydrogen or (C.sub.1 -C.sub.4)-alkyl;
c is an integer within the range of from 1 to 5;
the indexes s, which can be either equal to or different from each other, have the hereinabove defined meaning;
##STR122## where:
R.sub.11 has the hereinabove defined meaning;
w is an integer within the range of from 2 to 4;
d is either 1 or 2.

64 more elements