申请人:Hahn Klaus
公开号:US20110196053A1
公开(公告)日:2011-08-11
A polymer foam with density in the range from 5 to 120 kg/m
3
, comprising
a) a polymer component, comprising at least one styrene polymer,
b) from 0.1 to 5 parts by weight (based on 100 parts by weight of component a)) of a flame retardant mixture, comprising
b1) at least one phosphorus compound of the formula (I) having phosphorus content in the range from 5 to 80% by weight, based on the phosphorus compound,
(X
1
)
s
═PR
1
R
2
R
3
(I)
where the definitions of the symbols and indices in the formula (I) are as follows:
R
1
is C
1
-C
16
-alkyl, C
1
-C
10
-hydroxyalkyl, C
1
-C
16
-alkenyl, C
1
-C
16
-alkoxy, C
1
-C
16
-alkenoxy, C
3
-C
10
-cycloalkyl, C
3
-C
10
-cycloalkoxy, C
6
-C
10
-aryl, C
6
-C
10
-aryloxy, C
6
-C
10
-aryl-C
1
-C
16
-alkyl, C
6
-C
10
-aryl-C
1
-C
16
-alkoxy, SR
9
, COR
10
, COOR
11
, CONR
12
R
13
;
R
2
is C
1
-C
16
-alkyl, C
1
-C
10
-hydroxyalkyl, C
1
-C
16
-alkenyl, C
1
-C
16
-alkoxy, C
1
-C
16
-alkenoxy, C
3
-C
10
-cycloalkyl, C
3
-C
10
-cycloalkoxy, C
6
-C
10
-aryl, C
6
-C
10
-aryl-C
1
-C
16
-alkyl, C
6
-C
10
-aryl-C
1
-C
16
-alkoxy, SR
9
, COR
10
, COOR
11
, CONR
12
R
13
;
R
3
is H, SH, SR
4
, OH, OR
5
, or a
—(Y
1
)
n
—[P(═X
2
)
u
R
6
—(Y
2
)
n
]
m
—P(═X
3
)
t
R
7
R
8
group;
or two groups R
1
, R
2
, R
3
form, together with the phosphorus atom bonded thereto, a ring system;
X
1
, X
2
and X
3
are identical or different and, independently of one another, O or S;
Y
1
and Y
2
are identical or different, being O or S;
R
4
, R
5
, R
9
, R
10
, R
11
, R
12
, and R
13
are identical or different, being C
1
-C
12
-alkyl, C
3
-C
8
-cycloalkyl, which may either have no substitution or may have one or more C
1
-C
4
-alkyl groups as substituents, or being C
2
-C
12
-alkenyl, C
2
-C
12
-alkynyl, C
6
-C
10
-aryl, or C
6
-C
10
-aryl-C
1
-C
4
-alkyl;
R
6
, R
7
, and R
8
are identical or different and, independently of one another, C
1
-C
16
-alkyl, C
1
-C
16
-alkenyl, C
1
-C
16
-alkoxy, C
1
-C
16
-alkenoxy, C
3
-C
10
-cycloalkyl, C
3
-C
10
-cycloalkoxy, C
6
-C
10
-aryl, C
6
-C
10
-aryloxy, C
6
-C
10
-aryl-C
1
-C
16
-alkyl, C
6
-C
10
-aryl-C
1
-C
16
-alkoxy, SR
9
, COR
10
, COOR
11
, CONR
12
R
13
;
n is 1 if Y
1
and, respectively, Y
2
is O, and is 1, 2, 3, 4, 5, 6, 7, or 8 if Y
1
and, respectively, Y
2
is S;
m is an integer from 0 to 100;
s, t, and u are, independently of one another, 0 or 1; and
b2) elemental sulfur.