Patent classifications
C08F4/6574
PROPYLENE POLYMER COMPOSITION
A polypropylene composition made from or containing: A) From 96 wt % to 80 wt %; of a propylene homopolymer having a fraction insoluble in xylene at 25° C. greater than 90 wt %, based upon the total weight of the propylene homopolymer; and a melt flow rate, MFR, measured according to ISO 1133 at 230° C. with a load of 2.16 kg between 80.0 g/10 min and 300.0 g/10 min; and B) From 4 wt % to 20 wt %; of a propylene ethylene copolymer having an ethylene derived units content ranging from 18 wt % to 38 wt %, based upon the total weight of the propylene ethylene copolymer; wherein the polypropylene composition having: a melt flow rate, MFR, measured according to ISO 1133 at 230° C. with a load of 2.16 kg, between 80.0 g/10 min and 150.0 g/10 min; the sum of the amounts of A) and B) being 100 wt %.
PROPYLENE POLYMER COMPOSITION
A polypropylene composition made from or containing: A) From 96 wt % to 80 wt %; of a propylene homopolymer having a fraction insoluble in xylene at 25° C. greater than 90 wt %, based upon the total weight of the propylene homopolymer; and a melt flow rate, MFR, measured according to ISO 1133 at 230° C. with a load of 2.16 kg between 80.0 g/10 min and 300.0 g/10 min; and B) From 4 wt % to 20 wt %; of a propylene ethylene copolymer having an ethylene derived units content ranging from 18 wt % to 38 wt %, based upon the total weight of the propylene ethylene copolymer; wherein the polypropylene composition having: a melt flow rate, MFR, measured according to ISO 1133 at 230° C. with a load of 2.16 kg, between 80.0 g/10 min and 150.0 g/10 min; the sum of the amounts of A) and B) being 100 wt %.
CATALYST COMPONENTS FOR THE POLYMERIZATION OF OLEFINS
A solid catalyst component for the polymerization of olefins made from or containing Mg, Ti, halogen, and an electron donor compound selected from glutarates, wherein the catalyst has specific porosity features.
CATALYST COMPONENTS FOR THE POLYMERIZATION OF OLEFINS
A solid catalyst component for the polymerization of olefins made from or containing Mg, Ti, halogen, and an electron donor compound selected from glutarates, wherein the catalyst has specific porosity features.
Boron-based electron donors for Ziegler-Natta catalyst systems
A catalytic system for use in olefinic polymerization, includes titanium, magnesium, a halogen, organoaluminium, and a boron-based electron donor.
Boron-based electron donors for Ziegler-Natta catalyst systems
A catalytic system for use in olefinic polymerization, includes titanium, magnesium, a halogen, organoaluminium, and a boron-based electron donor.
Magnesium halide-supported titanium (pro)catalysts
A magnesium halide-supported titanium procatalyst, a catalyst prepared therefrom, an enhanced catalyst consists essentially of a product of a reaction of the magnesium halide-supported titanium procatalyst and a hydrocarbylaluminoxane. Also methods of preparing the (pro)catalysts, a method of polymerizing an olefin, and a polyolefin made by the polymerization method.
Magnesium halide-supported titanium (pro)catalysts
A magnesium halide-supported titanium procatalyst, a catalyst prepared therefrom, an enhanced catalyst consists essentially of a product of a reaction of the magnesium halide-supported titanium procatalyst and a hydrocarbylaluminoxane. Also methods of preparing the (pro)catalysts, a method of polymerizing an olefin, and a polyolefin made by the polymerization method.
Propylene copolymers
A propylene 1-hexene copolymer containing from 5.7 to 7.7% by weight of 1-hexene derived units, based upon the total weight of the propylene 1-hexene copolymer, having: a) a solubility in xylene at 25° C. ranging from 7.0 wt % to 15.0 wt %, based upon the total weight of the propylene 1-hexene copolymer; b) a melting temperature, measured by DSC ranging from 143.0° C. to 148.0° C.; c) a Melt Flow Rate (MFR, measured according to ASTM D 1238, 230° C./2.16 kg) from 3.5 to 8.0 g/10 min.; and d) a content of 1-hexene derived units in the fraction soluble in xylene at 25° C. ranging from 13.5 wt % to 18.5 wt %, based upon the total weight of the soluble fraction.
Propylene copolymers
A propylene 1-hexene copolymer containing from 5.7 to 7.7% by weight of 1-hexene derived units, based upon the total weight of the propylene 1-hexene copolymer, having: a) a solubility in xylene at 25° C. ranging from 7.0 wt % to 15.0 wt %, based upon the total weight of the propylene 1-hexene copolymer; b) a melting temperature, measured by DSC ranging from 143.0° C. to 148.0° C.; c) a Melt Flow Rate (MFR, measured according to ASTM D 1238, 230° C./2.16 kg) from 3.5 to 8.0 g/10 min.; and d) a content of 1-hexene derived units in the fraction soluble in xylene at 25° C. ranging from 13.5 wt % to 18.5 wt %, based upon the total weight of the soluble fraction.