申请人:Basell Polypropylen GmbH
公开号:US06583253B1
公开(公告)日:2003-06-24
Propene terpolymers consist of from 80 to 99.5 mol % of structural units derived from propene, from 0.1 to 15 mol % of structural units derived from ethene or a C4-C6-1-olefin (I) and from 0.1 to 15 mol % of structural units derived from a further C4-C12-1-olefin (II) which is different from the C4-C6-1-olefin (I), which propene terpolymers have a proportion of regioregular ′1-2′-inserted propene units corresponding to the formula (1)
[
′
⁢
1
-
2
′
]
[
′
⁢
1
-
2
′
]
+
[
′
⁢
2
-
1
′
]
+
[
′
⁢
1
-
3
′
]
(
1
)
of more than 0.99, have a melting point (TM), determined from the DSC peak maximum, of less than 135° C. and a weight average molecular weight (MW) of more than 80,000 g/mol and have a xylene-soluble proportion (XS) in % by weight of the propene terpolymer which obeys the following inequality (2)
XS≦1411.21 exp(−0.0591 TM[° C.])−0.05 (2).
丙烯三元聚合物由80至99.5摩尔%的丙烯结构单元,0.1至15摩尔%的乙烯或C4-C6-1-烯(I)衍生的结构单元,以及0.1至15摩尔%的来自另一种C4-C12-1-烯(II)的结构单元组成,该烯与C4-C6-1-烯(I)不同。这些丙烯三元聚合物具有与式(1)相对应的具有regioregular ′1-2′-插入丙烯单元的比例[′⁢1-2′][′⁢1-2′]+[′⁢2-1′]+[′⁢1-3′](1)大于0.99,熔点(TM)从DSC峰值最大值确定,小于135°C,重量平均分子量(MW)大于80,000 g/mol,并且具有丙烯三元聚合物的重量百分比的二甲苯可溶部分(XS)遵守以下不等式(2)XS≦1411.21 exp(−0.0591 TM[° C.])−0.05 (2)。