Patents by Inventor Paola Massari
Paola Massari has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 8378028Abstract: Polyolefin composition, comprising in percent by weight: 1) 75-85% of a copolymer of propylene, said copolymer containing up to 15% by weight, of ethylene and/or C4-C10 ?-olefin(s) and having a fraction soluble in Xilene at room temperature lower than 6% by weight, and 2) 15-25% of a copolymer of ethylene with one or more C4-C10 ?-olefin(s) containing from 10 to 25% by weight of said C4-C10 ?-olefin(s); said composition having the value of MFR, measured at 230° C., 2.16 kg, of less than 2.5 g/10 min, the total content of ethylene of from 14 to 22% by weight, the total content of C4-C10 ?-olefin(s) of less than 4.5% by weight, the ratio of the total content of ethylene to the total content of C4-C10 ?-olefin(s) equal to or higher than 4, the value of the intrinsic viscosity of the total fraction soluble in xylene at room temperature equal to or less than 1.5 dl/g, and the ratio of the amount of component 2) and the amount of C4-C10 ?-olefin(s) in component 2) equal to or higher than 0.80.Type: GrantFiled: February 4, 2009Date of Patent: February 19, 2013Assignee: Basell Poliolefine Italia, S.R.L.Inventors: Paola Massari, Marco Ciarafoni, Gisella Biondini, Paolo Goberti
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Publication number: 20130012642Abstract: Polymer composition suitable for ABS styrenic resin replacement where high dimensional stability and a good esthetical appearance is required, comprising a polymer blend (A), comprising 60-80% by weight, of a crystalline propylene homo or copolymer (A1) (MFR <50 g/10 min); and 20-40% by weight, of copolymer(s) of ethylene (A2). Said polymer blend (A) having values of MFR up to 30 g/10 min; the amounts of (A1) and (A2) being referred to the total weight of the polymer blend (A). The polymer composition further comprises 20-40% by weight, of a talc mineral filler (B); the amount of components (B) being referred to the total weight of the composition. Optionally the polymer composition further comprises 1-15% by weight, of an elastomeric polymer (C) different from (A2), having a hardness (Shore A, ASTM D-2240) value equal to or lower than 80 points; the amount of components (C) being referred to the total weight of the composition.Type: ApplicationFiled: February 18, 2011Publication date: January 10, 2013Applicant: BASELL POLIOLEFINE ITALIA S.R.L.Inventors: Thomas Mecklenburg, Paola Massari, Marco Ciarafoni
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Publication number: 20120245314Abstract: A process for the production of a corona-treated polyolefin film comprising the gas-phase polymerization of one or more ?-olefins in the presence of a polymerization catalyst and an antistatic agent having a molecular weight higher than 500, said antistatic agent being fed at any stage of the polymerization process in an amount from 30 to 500 ppm weight based on the weight of the produced polyolefinType: ApplicationFiled: December 17, 2010Publication date: September 27, 2012Applicant: Basell Poliolefine Italia, S.r.L.Inventors: Tiziana Caputo, Monica Galvan, Antonio Mazzucco, Paola Massari
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Publication number: 20120178882Abstract: A propylene composition comprising (percent by weight): A) 70%-95%, of a propylene homopolymer having a Polydispersity Index (P.I.) value of from 4.6 to 10, a fraction insoluble in xylene at 25° C., higher than 90%, and MFR L (Melt Flow Rate according to ISO 1133, condition L, i.e. 230° C. and 2.16 kg load) from 60 to 120 g/10 min; B) 5%-30%, of a copolymer of propylene containing from 34.5% to 30.0% extremes included of ethylene derived units; the composition having an intrinsic viscosity of the fraction soluble in xylene at 25° C. comprised between 3 and 5 dl/g.Type: ApplicationFiled: August 25, 2010Publication date: July 12, 2012Applicant: BASELL POLIOLEFINE ITALIA S.R.L.Inventors: Paola Massari, Marco Ciarafoni, Gisella Biondini, Tiziana Caputo
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Publication number: 20120178883Abstract: A propylene composition comprising (percent by weight): A) 70%-95%, of a propylene homopolymer having a Polydispersity Index (P.I.) value of from 4.6 to 10, a fraction insoluble in xylene at 25° C., higher than 90%, and MFR L (Melt Flow Rate according to ISO 1133, condition L, i.e. 230° C. and 2.16 kg load) from 100 to 250 g/10 min; B) 5%-30%, of a copolymer of propylene containing from 36% to 44% of ethylene derived units; the composition having an intrinsic viscosity of the fraction soluble in xylene at 25° C. comprised between 3 and 5 dl/g.Type: ApplicationFiled: August 25, 2010Publication date: July 12, 2012Applicant: BASELL POLIOLEFINE ITALIA S.R.L.Inventors: Paola Massari, Marco Ciarafoni, Gisella Biondini, Tiziana Caputo
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Publication number: 20120172533Abstract: A polymer composition comprising (per cent by weight): a) 57%-74%, of a crystalline propylene polymer having an amount of isotactic pentads (mmmm), measured by 13C-MNR on the fraction insoluble in xylene at 25° C., higher than 97.5 molar % and a polydispersity index ranging from 5 to 10; b) 8 to 15%, of an elastomeric copolymer of ethylene and propylene, the copolymer having an amount of recurring units deriving from ethylene ranging from 30 to 50%, and being partially soluble in xylene at ambient temperature; the polymer fraction soluble in xylene at ambient temperature having an intrinsic viscosity value ranging from 2.5 to 3.5 dl/g; and c) 18-28%, of ethylene homopolymer having an intrinsic viscosity value ranging from 1.5 to 4 dl/g; said composition having a value of melt flow rate ranging from 35 to 60 g/10 min, and the amount of hexane extractables lower than 4.0 wt %.Type: ApplicationFiled: July 20, 2010Publication date: July 5, 2012Applicant: BASELL POLIOLEFINE ITALIA S.R.I.Inventors: Marco Ciarafoni, Paola Massari, Gisella Biondini, Roberto Pantaleoni
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Publication number: 20120165472Abstract: A polymer composition comprising (per cent by weight): a) 70-84% of a crystalline propylene polymer having an amount of isotactic pentads (mmmm), measured by 13C-MNR on the fraction insoluble in xylene at 25° C., higher than 97.5 molar %; b) 8-15% of an elastomeric copolymer of ethylene and propylene, the copolymer having an amount of recurring units deriving from ethylene ranging from 25 to 50 wt % and being partially soluble in xylene at ambient temperature; the polymer fraction soluble in xylene at ambient temperature having an intrinsic viscosity value ranging from 2.5 to 3.5 dl/g; and c) 8-15% of ethylene homopolymer having an intrinsic viscosity value ranging from 1.5 to 4 dl/g; said composition having a value of melt flow rate ranging from 55 to 90 g/10 min, and the amount of hexane extractables lower than 3.5 wt %.Type: ApplicationFiled: July 20, 2010Publication date: June 28, 2012Applicant: BASELL POLEFINE ITALIA S.R.L.Inventors: Paola Massari, Marco Ciarafoni, Gisella Biondini, Roberto Pantaleoni
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Publication number: 20120059126Abstract: A propylene composition comprising (percent by weight): A) 60%-90%, of a crystalline propylene copolymer containing from 3.5% to 10% of ethylene derived units; B) 10%-40%, of a copolymer of propylene containing from 18.5% to 23.5%, of ethylene derived units.Type: ApplicationFiled: April 29, 2010Publication date: March 8, 2012Applicant: BASELL POLIOLEFINE ITALIA S.R.L.Inventors: Marco Ciarafoni, Paola Massari, Gisella Biondini, Tiziana Caputo, Monica Galvan
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Publication number: 20120046417Abstract: A propylene composition comprising (percent by weight): A) 60%-90%, of a crystalline propylene copolymer containing from 3.5% to 10% of ethylene derived units and having a melting temperature Tm (measured by DSC on the as-reactor polymer) ranging from 146° to 160° C.; B) 10%-40%, of a copolymer of propylene containing from 15% to 30%, of ethylene derived units.Type: ApplicationFiled: April 29, 2010Publication date: February 23, 2012Applicant: BASELL POLIOLEFINE ITALIA S.R.L.Inventors: Paola Massari, Marco Ciarafoni, Gisella Biondini, Tiziana Caputo
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Publication number: 20120035327Abstract: A masterbatch composition comprising: 70-90% wt of a component (A) being a propylene homopolymer or copolymer of propylene with ethylene or C4-C10 alpha olefins, having a MFRA according to ISO 1133 (230° C./2.16 Kg) ranging from 15 to 70 g/10 min; and 10-30% wt of a component B) being a propylene-ethylene copolymer comprising 25-45% wt of ethylene derived units and having a value of the intrinsic viscosity [?] of the fraction soluble in xylene at room temperature ranging from 5 to 9 dl/g, said masterbatch composition having a total MFR higher than 4 g/10 min, and a value of the flexural modulus measured according to ISO method 178 ranging from 950 to 2000 MPa.Type: ApplicationFiled: March 19, 2010Publication date: February 9, 2012Applicant: BASELL POLIOLEFINE ITALIA S.R.L.Inventors: Marco Ciarafoni, Paola Massari, Gisella Biondini, Roberto Pantaleoni, Sander Willems
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Publication number: 20110190450Abstract: A polyolefin composition comprising, in percentage by weight based on the weight sum of the components (a1), (a2) and (b): a1) 16-78% of a propylene homopolymer or copolymer containing at most 15% of ethylene and/or C4-C10 ?-olefin(s), having an isotactic index over 80%; and a2) 6-44% of a copolymer of ethylene with one or more C4-C10 ?-olefin(s) containing from 10 to 40%, preferably from 15 to 35%, of said C4-C10 ?-olefin(s); b) 3-70% of a butene-1 (co)polymer having: a content of butene-1 derived units of 80% wt or more, flexural modulus (MEF) of 60 MPa or less. The polyolefin composition exhibits good impact resistance, excellent whitening resistance and relatively low stiffness combined with good optical properties suitable for injection and blow molding, thermoforming and film application.Type: ApplicationFiled: September 21, 2009Publication date: August 4, 2011Applicant: BASELL POLIOLEFINE ITALIA S.R.L.Inventors: Roberto De Palo, Paola Massari, Marco Ciarafoni
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Patent number: 7872074Abstract: The present invention provides polyolefin composition comprising a 50-80 wt % of propylene homopolymer or copolymer and a first and a second ethylene/alpha-olefin copolymer, said composition having good stress whitening resistance and gloss, in combination with a good balance of mechanical properties.Type: GrantFiled: November 14, 2006Date of Patent: January 18, 2011Assignee: Basell Poliolefine Italia s.r.l.Inventors: Paola Massari, Jean News, Marco Ciarafoni
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Publication number: 20100308007Abstract: Polyolefin composition, comprising in percent by weight: 1) 75-85% of a copolymer of propylene, said copolymer containing up to 15% by weight, of ethylene and/or C4-C10 ?-olefin(s) and having a fraction soluble in Xilene at room temperature lower than 6% by weight, and 2) 15-25% of a copolymer of ethylene with one or more C4-C10 ?-olefin(s) containing from 10 to 25% by weight of said C4-C10 ?-olefin(s); said composition having the value of MFR, measured at 230° C., 2.16 kg, of less than 2.5 g/10 min, the total content of ethylene of from 14 to 22% by weight, the total content of C4-C10 ?-olefin(s) of less than 4.5% by weight, the ratio of the total content of ethylene to the total content of C4-C10 ?-olefin(s) equal to or higher than 4, the value of the intrinsic viscosity of the total fraction soluble in xylene at room temperature equal to or less than 1.5 dl/g, and the ratio of the amount of component 2) and the amount of C4-C10 ?-olefin(s) in component 2) equal to or higher than 0.80.Type: ApplicationFiled: February 4, 2009Publication date: December 9, 2010Inventors: Paola Massari, Marco Ciarafoni, Gisella Biondini, Paolo Goberti
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Publication number: 20100249330Abstract: Process for the production of propylene polymers having a Melt Flow rate (230° C., 2.16 Kg) higher than 30 g/10? and preferably higher than 50 g/10? and also characterized by having broad molecular weight distribution (MWD) carried out in the presence of a catalyst system comprising (a) a solid catalyst component containing Mg, Ti, halogen and an electron donor compound selected from succinates; (b) an alkylaluminum cocatalyst; and (c) a silicon compound of formula R1Si(OR)3 in which R1 is a branched alkyl and R is, independently, a C1-C10 alkyl.Type: ApplicationFiled: October 2, 2008Publication date: September 30, 2010Applicant: Basell Poliolefine Italia s.r.l.Inventors: Paola Massari, Marco Ciarafoni, Ofelia Fusco, Hirofumi Murakami, Takeshi Nakajima, Shintaro Takemiya
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Patent number: 7795352Abstract: A polypropylene composition comprising (percent by weight) (a) 50-77% of a crystalline propylene polymer having an amount of isotactic pentads (mmmm), measured by 13C-MNR on the fraction insoluble in xylene at 25° C., higher than 97.5 molar % and a polydispersity index ranging from 4 to 10; (b) 13-28% of an elastomeric copolymer of ethylene and propylene, the copolymer having an amount of recurring units deriving from ethylene ranging from 30 to 70% and being partially soluble in xylene at ambient temperature, the polymer fraction soluble in xylene at ambient temperature having an intrinsic viscosity value ranging from 2 to 4 dl/g; and (c) 10-22% of polyethylene having an intrinsic viscosity value ranging from 1 to 3 dl/g, in said composition component (b) plus component (c) being in amounts of at least 25 wt %. The polymer composition exhibits good impact resistant, whitening resistance and relatively low stiffness.Type: GrantFiled: November 28, 2005Date of Patent: September 14, 2010Assignee: Basell Poliolefine Italia s.r.l.Inventors: Paola Massari, Marco Ciarafoni, Jean News
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Patent number: 7772324Abstract: An olefin polymer composition comprising (by weight, unless otherwise specified): A) 60-85% of a crystalline propylene homopolymer or a crystalline copolymer of propylene containing 3% or less of ethylene or C4-C10 ?-olefin(s) or of combinations thereof, said homopolymer or copolymer having a Polydispersity Index (P.I.) value of from 4.5-6 and a content of isotactic pentads (mmmm), measured by 13C NMR on the fraction insoluble in xylene at 25° C., higher than 96%; B) 15-40% of a partially amorphous copolymer of ethylene containing from 35% to 70% of propylene or C4-C10 ?-olefin(s) or of combinations thereof, and optionally minor proportions of a diene. The said olefin polymer composition exhibits a value of elongation at break ranging from 150 to 600% according to ISO method 527.Type: GrantFiled: September 5, 2005Date of Patent: August 10, 2010Assignee: Basell Poliolefine Italia s.r.l.Inventors: Paola Massari, Andreas Newmann, Gianni Collina, Ofelia Fusco
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Publication number: 20100056719Abstract: Polyolefin compositions, comprising (percent by weight): 1) 55-80% of a homopolymer or copolymer of propylene, said copolymer containing up to 15% of ethylene and/or C4-C10 ?-olefin(s). 2) 20-45% of a copolymer of ethylene with one or more C4-C10 ?-olefin(s) containing from 10 to 40% of said C4-C10 ?-olefin(s); said compositions having values of MFR (230° C., 2.16 kg) up to 20 g/10 min, a total content of ethylene of 20% or more, a total content of C4-C10 ?-olefin(s) of 4.5% or more, a ratio of the total content of ethylene to the total content of C4-C10 ?-olefin(s) of 2.3 or more, a total fraction soluble in xylene at room temperature of 18 wt % or higher and flexural modulus, referred to the composition as a reactor grade, of more than 700 MPa.Type: ApplicationFiled: October 10, 2007Publication date: March 4, 2010Applicant: Basell Poliolefine Italy s.r.I.Inventors: Roberta Marzolla, Marco Ciarafoni, Michele Grazzi, Paola Massari, Jean News
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Patent number: 7649052Abstract: A heterophasic polyolefin composition comprising: (A) 50-0% of a crystalline propylene polymer; (B) 5-20% of a first elastomeric copolymer of ethylene with at least a C3-C8 ?-olefin comonomer; and (C) 10-45% of a second elastomeric copolymer of ethylene with at least a C3-C8 ?-olefin comonomer; wherein the ratio between the ethylene content of the fraction insoluble in xylene at room temperature (C2xif) multiplied by the weight percentage of the fraction insoluble in xylene at room temperature (% XIF) and the ethylene content of the fraction soluble in xylene at room temperature (C2xsf) multiplied by the weight percentage of fraction soluble in xylene at room temperature (% SXF) satisfies the following relation (I): C 2 ? xif × % ? XIF C 2 ? xsf × % ? SXF > 0.01 ? x + 0.261 , wherein x is the total amount of ethylene.Type: GrantFiled: May 4, 2005Date of Patent: January 19, 2010Assignee: Basell Poliolefine Italia s.r.l.Inventors: Paola Massari, Jean News, Marco Ciarafoni
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Publication number: 20090283935Abstract: The present invention provides polyolefin composition comprising a 50-80 wt % of propylene omopolymer or copolymer and a first and a second ethylene/alpha-olefin copolymer, said composition having good stress whitening resistance and gloss, in combination with a good balance of mechanical properties.Type: ApplicationFiled: November 14, 2006Publication date: November 19, 2009Inventors: Paola Massari, Jean News, Marco Ciarafoni
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Publication number: 20090253868Abstract: A polypropylene composition comprising 65-77 wt % of a crystalline propylene polymer, 8 to less than 13 wt % of an elastomeric copolymer and 10-23 wt % of polyethylene. The said composition exhibits a flexural modulus value higher than 1300 MPa, stress-whitening resistance values corresponding to a diameter of the whitened area of at most 1.7 cm caused by a ram falling from a 76 cm height and a diameter of the whitened area of at most 1.2 cm caused by a ram falling from a 20 cm height, and a value of Izod impact resistance at 23° C. more than 14 kJ/m2 and the one at ?20° C. at least 5 kJ/m2.Type: ApplicationFiled: May 5, 2006Publication date: October 8, 2009Applicant: Basell Poliolefine Italia s.r.l.Inventors: Paola Massari, Marco Ciarafoni, Jean News