Abstract: A process for the preparation of high purity propylene polymers carried out in the presence of a catalyst comprising the product obtained by contacting: (a) a solid catalyst component comprising Mg, Ti and at least a first internal electron donor compound (1ID) selected among the succinates and a second internal electron donor compound (2ID) selected among the 1,3-diethers, wherein the molar ratio of first internal donor over second internal donor 1ID:2ID is comprised between 4:6 and 9:1, with (b) an organo-aluminum compound, and optionally with (c) an external electron donor compound, said process being carried out at a temperature equal or higher than 78° C. and by employing a molar ratio of organo-aluminum compound over solid catalyst component (b):(a) of lower than 5.

Abstract: A process for the preparation of high purity propylene polymers carried out in the presence of a catalyst comprising the product obtained by contacting: (a) a solid catalyst component comprising Mg, Ti and at least a first internal electron donor compound (HD) selected among the succinates and a second internal electron donor compound (2ID) selected among the 1,3-diethers, wherein the molar ratio of first internal donor over second internal donor 1ID:2ID is comprised between 4:6 and 9:1, with (b) an organo-aluminium compound, and optionally with (c) an external electron donor compound, said process being carried out at a temperature equal or higher than 78° C. and by employing a molar ratio of organo-aluminum compound over solid catalyst component (b):(a) of lower than 5.

Abstract: Polypropylene compositions, particularly suited for preparation of stretched/oriented articles, especially for injection stretch blow moulded bottles, comprising: A) one or more propylene homopolymers or propylene copolymers or their mixtures; B) from 500 to about 1500 ppm by weight of talc in form of particles having average particle diameter of equal to or less than 1.5 ?m. Said compositions display higher crystallization temperature with respect to the same polyolefin (A) without addition of (B), while keeping good levels of transparency, particularly when (A) is or comprises a random polymer.

Abstract: A process for obtaining thermoformed articles, comprising the following steps: a) forming a sheet comprising a propylene resin; b) thermoforming the sheet obtained in step a); wherein said propylene resin has the following characteristics: a) distribution of molecular weight Mw/Mn lower than 4; preferably lower than 3; b) 2,1 insertions measured with by 13C-NMR lower than 0.50%; preferably lower than 0.40%; c) eta* and the frequency ? meet the following relation for ? comprised between 0.1 ad 1: eta*>3700?(?0 13) d) melt flow rate (MFR) (ISO 1133) lower than 5; preferably lower than 4; more preferably lower than 3; wherein the polypropylene resin comprises: (i) from 10 to 100% by weight of a propylene homopolymer or a propylene copolymer containing from 0.1% to 10% by mol of derived units of ethylene or an alpha-olefin of formula CH2?CHZ wherein Z is a linear or branched C2-C20 radical; and (ii) from 0 to 90% by weight of a propylene copolymer containing from 0.

Abstract: Polypropylene compositions, particularly suited for preparation of stretched/oriented articles, especially for injection stretch blow moulded bottles, comprising: A) one or more propylene homopolymers or propylene copolymers or their mixtures; B) from 500 to about 1500 ppm by weight of talc in form of particles having average particle diameter of equal to or less than 1.5 ?m. Said compositions display higher crystallization temperature with respect to the same polyolefin (A) without addition of (B), while keeping good levels of transparency, particularly when (A) is or comprises a random polymer.

Abstract: A material having insecticidal and acaricidal properties comprising: A) From 99.95 by weight to 70.0% by weight a propylene based polymer obtainable by using a catalyst system comprising a metallocene compound having the following properties: i) a Melt Flow Rate (MFR) (ISO 1133) comprised between 2 and 100; ii) A distribution of molecular weight Mw/Mn lower than 4; iii) Isotactic pentads (mmmm) comprised between 90% and 99%; B) From 0.05% to 30% by weight of an adduct of formula T1-T2 resulting from the condensation of T1 and T2, wherein T1 comprises at least one pyrethroid substance, which is substantially stable up to a temperature of at least 150° C.; T2 is an ethylenically unsaturated substance chooses from the group consisting of: (a) a surfactants, (b) vinyl phospates and (c) mixtures thereof.

Abstract: A material having insecticidal and acaricidal properties comprising: A) From 99.95 by weight to 70.0% by weight a propylene based polymer having the following properties: iii) a Melt Flow Rate (MFR) (ISO 1133) comprised between 11 and 40; iv) Isotactic pentads (mmmm) higher than 90%; B) From 0.05% to 30% by weight of an adduct of formula T1-T2 resulting from the condensation of T1 and T2, wherein T1 comprises at least one pyrethroid substance, which is substantially stable up to a temperature of at least 150° C.; T2 is an ethylenically unsaturated substance chooses from the group consisting of: (a) a surfactant (b) vinyl phospates and (c) mixtures thereof.

Abstract: A process for producing clear injection stretch blow molded containers comprising: I. molding a propylene polymer composition comprising: (A) a propylene polymer chosen from: (i) a homopolymer or minirandom copolymer of propylene containing up to 1.0 wt % of at least one of ethylene and C4-C10 ?-olefins; (ii) a random copolymer of propylene and at least one olefin chosen from ethylene and C4-C10 ?-olefins; and (iii) mixtures thereof, the propylene polymer having a melt flow rate of from about 1 to about 50; and (B) about 1 to about 1000 ppm, based on the weight of the propylene polymer, of at least one radiant heat absorbent; thereby forming a preform; and II. stretch blow molding the preform; wherein in step II, heat is supplied by infrared radiation, and the containers have a haze value less than 25.0%.

Abstract: Soft filaments and spunbonded non-woven fabrics obtained therefrom, said filaments comprising a blend of a propylene copolymer or a propylene copolymer composition and an heterophasic propylene polymer composition.

Abstract: A process for obtaining thermoformed articles, comprising the following steps: a) forming a sheet comprising a propylene resin; b) thermoforming the sheet obtained in step a); wherein said propylene resin has the following characteristics: a) distribution of molecular weight Mw/Mn lower than 4; preferably lower than 3; b) 2.1 insertions measured with by 13C-NMR lower than 0.50%; preferably lower than 0.40%; c) eta* and the frequency ? meet the following relation for ? comprised between 0.1 and 1: eta*>3700?(?0 13) d) melt flow rate (MFR) (ISO 1133) lower than 5; preferably lower than 4; more preferably lower than 3; wherein the polypropylene resin comprises: (i) from 10 to 100% by weight of a propylene homopolymer or a propylene copolymer containing from 0.1% to 10% by mol of derived units of ethylene or an alpha-olefin of formula CH2?CHZ wherein Z is a linear or branched C2-C20 radical; and (ii) from 0 to 90% by weight of a propylene copolymer containing from 0.

Abstract: A polyolefin composition comprising (parts by weight) (A) 100 parts of a crystalline isotactic propylene polymer resin having a molecular weight distribution ( Mw/ Mn) less than 3, the proportion of inversely inserted propylene units based on 2,1 insertions of a propylene monomer in all propylene insertions, i.e. 2,1 insertions, is as low as 0.5% or less, and a value of the melt flow rate (MFR) from 20 to 60 g/10 min; and (B) 0.1-1 part of a high molecular weight propylene polymer (B) having a value of melt strength from 5 to 40 cN. Fibres prepared from the said composition exhibit a good balance between elasticity and tenacity.

Abstract: Stretch blow molded containers comprising a propylene polymer composition produced with a metallocene catalyst, the propylene polymer composition comprising: A. 25.0 wt % to about 75.0 wt % of a homopolymer or minirandom copolymer of propylene containing up to 1.0 wt % of at least one of ethylene and C4-C10 ?-olefins, having an isotactic index greater that about 80%; and B. 25.0 wt % to about 75.0 wt % of a random copolymer of propylene and at least one olefin chosen from ethylene anti C4-C10 ?-olefins, containing about 0.3 to about 30 wt % of said olefin, and having an isotactic index greater than about 60%; wherein the propylene copolymer composition has a melt flow rate of 1 to 50 and a molecular weight distribution or less than 3.5.

Abstract: A propylene copolymer composition comprising A) from 50% to 80% by weight of a propylene copolymer containing from 0.05 to 0.99% by weight of an alpha olefins having from 2 to 10 carbon atoms other than propylene; and B) from 20% to 50% by weight of one propylene copolymer containing from 7.01 to 20.0 % by weight of an alpha olefins having from 2 to 10 carbon atoms other than propylene; said propylene copolymer composition having the following characteristics: (i) MFR (230° C./2,16 kg) [g/10 min] comprised between 1 and 20; (ii) tensile E modulus comprised between 400 and 800 MPa (ISO 527-2:1993) and films produced therefrom.

Abstract: A fibre for thermal bonding comprising a propylene polymer composition having an MFR value from 4 to 50 g/10 min. The said composition is selected from (i) a crystalline propylene random copolymer or polymer composition containing at least 0.8% by weight of ethylene and optionally one or more C4-C10 ?-olefins and having a melting temperature of 155° C. or higher, a content of fraction soluble in xylene at room temperature lower than 5 wt %, a value of the ratio of the polymer fraction collected at the temperature range from 25° to 95° C. by TREF with xylene to the xylene soluble fraction, higher than 8; and (ii) a crystalline propylene polymer composition having a melting temperature of 153° C. or higher, a content of fraction soluble in xylene at room temperature lower than 10 wt % and containing at least 0.64 wt % of ethylene and/or C4-C10 ?-olefin recurring unit and comprising (I) 20-80 wt % of a crystalline propylene homopolymer and/or crystalline propylene random copolymer containing up to 1.