Ethylene copolymers with improved melting and glass transition temperature
AssigneeBorealis AG
InventorsNoureddine Ajellal, Mohammad Al-Haj Ali, Henry Sleijster, Edwin M.F.J. Verdurmen, Johan Defoer, Jari-Jussi Ruskeeniemi
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Abstract
The present inventions concerns a copolymer of ethylene and an C3 to C8 alpha-olefin, wherein the copolymer has a density of 870 to 890 kg/m3 measured according to ISO 1183, a MFR2 of 0.5 to 8.0 g/10 min measured according to ISO 1133, wherein the alpha-olefin is present in the copolymer in an amount of 20 to 35 wt.-%, wherein the copolymer has a first melting temperature Tm1 measured according to ISO 11357-3, characterized in that the first melt point Tm1 is between 90 and 115° C.
Claims14
Copolymer of ethylene and an C3 to C8 alpha-olefin, wherein the copolymer has a density of 870 to 890 kg/m3 measured according to ISO 1183, a MFR2 of 0.5 to 8.0 g/10 min measured according to ISO 1133, wherein the alpha-olefin is present in the copolymer in an amount of 20 to 35 wt. %, wherein the copolymer has a first melting temperature Tm1 measured according to ISO 11357-3, characterized in that the first melt temperature Tm1 is between 9° and 110° C.;
- and in that the copolymer has a second melting temperature Tm2 measured according to ISO 11357-3, wherein the second melting temperature Tm2 is between 35 and 55° C.
Dependencies are inferred from the claim text.