Heterophasic polyolefin composition
AssigneeBorealis AG
InventorsJingbo Wang, Markus Gahleitner, Klaus Bernreitner, Pauli Leskinen
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Abstract
A heterophasic polyolefin composition comprising 55 to 95 wt.-% based on the total weight of the heterophasic polyolefin composition of a propylene butene random copolymer (A) having an MFR2 (230° C.) of 0.3 to 100.0 g/10 min and a butene content of 1.5 to 8.0 wt.-%, wherein the propylene butene random copolymer is obtained by a process using a single site catalyst (I) and 5 to 45 wt.-% based on the total weight of the heterophasic polyolefin composition of a copolymer of ethylene (B) having a density in the range of 910 to 935 kg/m3 and an MFR2 (190° C.) of 0.5 to 10 g/10 min, wherein the copolymer of ethylene (B) is obtained by a process using a single site catalyst (II).
Claims20
A heterophasic polyolefin composition comprising:
- 55 to 95 wt.-% based on the total weight of the heterophasic polyolefin composition of a propylene butene random copolymer (A) having an MFR2 measured at 230° C. of 0.3 to 100.0 g/10 min and a butene content of 1.5 to 8.0 wt.-%, wherein the propylene butene random copolymer is obtained by a process using a single site catalyst (I);
- and
- 5 to 45 wt.-% based on the total weight of the heterophasic polyolefin composition of a copolymer of ethylene (B) having a density in the range of 910 to 935 kg/m3 and an MFR2 measured at 190° C. of 0.5 to 10 g/10 min, wherein the copolymer of ethylene (B) is obtained by a process using a single site catalyst (11);
- wherein the heterophasic polyolefin composition has a xylene soluble content (XCS) of less than 5.0 wt.-%.
Dependencies are inferred from the claim text.