申请人:Hacker Peter
公开号:US20110275747A1
公开(公告)日:2011-11-10
The present invention relates to a stabilizer system for polymers containing halogen, comprising an alkaline earth metal double carbonate of the formula (A)
(M
1
O)
m*
(M
2
O)
n−m*
(CO
2
)
o*
(H
2
O)
p
(A)
where
M
1
and M
2
=various alkaline earth metals;
m=from 0.9 to 1.1;
n=from 1.9 to 2.1 and p=from 0 to 2.1; or n=from 3.9 to 4.1, and p=from 0 to 4.1;
o=from 0 to 1.1
and at least one of the compounds selected from the group consisting of (B) and (C), where
(B) is at least one nitrogen-containing organic compound selected from the group consisting of (B1) and (B2), where (B1) is a tert-alkanolamine and (B2) is an enaminone or a urea, and
(C) is an alkaline earth metal aluminohydroxocarbonate of the formula (C)
(M
1−x
Zn
x
)
y
Al
2
(OH)
4+2y
CO
3*
z
H
2
O (C)
where M=magnesium or/and calcium; x=from 0 to 0.5; y=from 2 to 8, and z=from 0 to 12.
The present invention further relates to compositions and articles comprising said stabilizer systems, and to processes for stabilizing a polymer containing halogen.
本发明涉及一种用于含卤素聚合物的稳定剂系统,包括公式(A)的碱土金属双碳酸盐(M1O)m*(M2O)n-m*(CO2)o*(H2O)p(A),其中M1和M2为各种碱土金属;m为0.9至1.1;n为1.9至2.1且p为0至2.1;或n为3.9至4.1且p为0至4.1;o为0至1.1,并且至少选择来自组(B)和(C)的化合物之一,其中(B)是至少一种氮含有机化合物,选择自组(B1)和(B2),其中(B1)是一种叔丙醇胺,(B2)是一种恩酰酮或脲;(C)是一种公式(C)的碱土金属铝酸氢氧碳酸盐(M1−xZnx)yAl2(OH)4+2yCO3*zH2O(C),其中M为镁或/和钙;x为0至0.5;y为2至8,z为0至12。本发明还涉及包含所述稳定剂系统的组合物和制品,以及用于稳定含卤素聚合物的工艺。