Patents - stay tuned to the technology

Inventors list

Assignees list

Classification tree browser

Top 100 Inventors

Top 100 Assignees


Marco Ciarafoni, Ferrara IT

Marco Ciarafoni, Ferrara IT

Patent application numberDescriptionPublished
20090253868Polyolefinic compositions having good whitening resistance - 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/m2.10-08-2009
20090283935Impact Resistant Polyolefin Compositions - 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.11-19-2009
20100056719POLYOLEFIN COMPOSITIONS - Polyolefin compositions, comprising (percent by weight): 03-04-2010
20100249330PROCESS FOR THE PREPARATION OF HIGH FLUIDITY PROPYLENE POLYMERS - 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;09-30-2010
20100308007POLYOEFIN COMPOSITIONS - Polyolefin composition, comprising in percent by weight: 12-09-2010
20120035327Polyolefin Masterbatch and Composition Suitable for Injection Molding - A masterbatch composition comprising:02-09-2012
20120046417Propylene Polymer Compositions - A propylene composition comprising (percent by weight): 02-23-2012
20120059126Propylene Polymer Compositions - A propylene composition comprising (percent by weight):03-08-2012
20120083576Process for the Preparation of Impact Resistant Propylene Polymer Compositions - A process for the preparation of propylene polymer compositions carried out in the presence of a catalyst system comprising (a) a solid catalyst component having average particle size ranging from 15 to 80 μm comprising a magnesium halide, a titanium compound having at least a Ti-halogen bond and at least two electron donor compounds one of which being present in an amount from 50 to 90% by mol with respect to the total amount of donors and selected from succinates and the other being selected from 1,3 diethers, (b) an aluminum alkyl and optionally (c) an external electron donor compound, and comprising the following steps: 04-05-2012
20120136121Polyolefin Compositions - Polyolefin compositions particularly suitable for cast film, exhibiting heat sealability, retortability, low haze and stiffness, comprising: 05-31-2012
20120165472POLYOLEFINIC COMPOSITIONS - A polymer composition comprising (per cent by weight): 06-28-2012
20120172533POLYOLEFINIC COMPOSITIONS - A polymer composition comprising (per cent by weight):07-05-2012
20120178881Propylene polymer compositions - A propylene polymer composition comprising (percent by weight): 07-12-2012
20120178882PROPYLENE POLYMER COMPOSITIONS - A propylene composition comprising (percent by weight): 07-12-2012
20120178883Propylene Polymer Compositions - A propylene composition comprising (percent by weight): 07-12-2012
20130012642Heterophasic Polyolefin Composition - 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.01-10-2013
20130072634Propylene Polymer Compositions - A propylene polymer composition comprising (percent by weight):03-21-2013
20130116385Propylene polymer compositions - A propylene polymer composition comprising: 05-09-2013
20130123432PROPYLENE POLYMER COMPOSITIONS - A propylene polymer composition comprising (percent by weight): A) 68%-80%, of a propylene homopolymer having a Polydispersity Index (P.I.) value of from 4.7 to 10 and MFR L (Melt Flow Rate according to ISO 1133, condition L, i.e. 230° C. and 2.16 kg load) from 10 to 30 g/10 min; B) 20%-32%, of a copolymer of propylene containing from 40.1% to 42.5% 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 6 dl/g and a MFR L from 4 to 12 g/10 min Said Propylene polymer composition being particularly suitable for injection moulded articles having high rigidity and high impact properties at room and at low temperatures.05-16-2013
20130211011AUTOMOTIVE INTERIOR ELEMENT - Automotive interior element comprising a polypropylene composition comprising (percent by weight): A) from 60% to 90% of a propylene homopolymer having: i) a polydispersity Index (P.I.) value of from 3.5 to 10.0; ii) a fraction insoluble in xylene at 25° C., higher than 90%; and iii) a MFR L (Melt Flow Rate according to ISO 1133, condition L, i.e. 230° C. and 2.16 kg load) from 50 to 200 g/10 min; B) from 10% to 40%; of a copolymer of propylene with from 30% to 60% of ethylene derived units; the composition having an intrinsic viscosity of the fraction soluble in xylene at 25° C. comprised between 2.5 and 4.0 dl/g; a MFR L (Melt Flow Rate according to ISO 1133, condition L, i.e. 230° C. and 2.16 kg load) from 15 to 100 g/10 min and all the three values of carbon emission measured according to VDA 227 (C-emission) are lower than 30.0 μgC/g; wherein the values of carbon emission are measured in the ex reactor propylene composition.08-15-2013
20130302629RANDOM COPOLYMERS OF PROPYLENE - Random copolymers of propylene with ethylene, and optionally other olefins, comprising from 3.5% to 6.5% by weight of ethylene and having a melt flow rate (MFR) according to ISO 1133 (230° C., 2.16 Kg) of less than 10 g/10 min and a melting temperature (Tm), determined by DSC, satisfying the relation: 45° C.≦Tm+C≦150° C. wherein C is the quantity (by weight) of ethylene in the copolymer. The random copolymers of the invention are specifically suited for cast film and/or sheet applications.11-14-2013
20130316213POLYOLEFIN COMPOSITION - A polyolefin composition comprising: 11-28-2013
20130344267POLYOLEFIN-BASED CONTAINERS - A container comprising a polyolefin composition comprising: 12-26-2013
20140155554POLYPROPYLENE COMPOSITION - A polyolefin composition comprising (percent by weight): 06-05-2014
20140171592Case for valve-regulated lead-acid batteries - A case for valve-regulated lead-acid battery comprising an olefin polymer composition comprising: 06-19-2014
20140316069PROCESS FOR THE PREPARATION OF HETEROPHASIC PROPYLENE POLYMER COMPOSITIONS - A process for the preparation of propylene polymer compositions comprising from 50 to 90% by weight of a propylene (co)polymer fraction insoluble in xylene at 25° C., and from 10 to 50% by weight of an ethylene copolymer fraction soluble in xylene at 25° C., said process comprising: 10-23-2014
20150045514PROPYLENE POLYMER COMPOSITIONS - Propylene polymer compositions comprising:02-12-2015
20150051351PROPYLENE POLYMER COMPOSITIONS - Propylene polymer compositions comprising: 02-19-2015

Patent applications by Marco Ciarafoni, Ferrara IT

Website © 2015 Advameg, Inc.