Abstract:
A polyolefin composition comprising: T1) 70-95wt%, a polyolefin component containing: a1) from 30 wt% to 70 wt% of a propylene based polymer; and a2) from 30 wt% to 70 wt% of an ethylene based polymer; T2) 5-30 wt% of an heterophasic propylene ethylene copolymer.
Abstract:
A polyolefin composition comprising: A) 50-90 %wt of of polypropylene homopolymer with an isotactic index (percentage by weight of fraction insoluble in boiling n-heptane) higher than 80, preferably between 90 and 98, or crystalline copolymer of propylene with ethylene and/or an alpha -olefin having 4-10 carbon atoms, containing 85% or more of propylene and having an isotactic index equal to or higher than 80; B) 10-50%wt of Butene-1 (co)polymers having a content of butene-1 units in the form of isotactic pentads (mmmm) from 25 to 70%; intrinsic viscosity [η] measured in tetraline at 135°C from 1 to 3 dL/g; a content of xylene insoluble fraction at 0°C from 3 to 60%. Fibers and spun bond (woven non woven) and geotextile thereof.
Abstract:
Method to identify leakages in plastic pipes and in a network of plastic pipes and multilayer plastic pipes suitable for carrying out the method.
Abstract:
A single- or multilayer threaded pipe, wherein at least one layer is produced from a polyolefin composition comprising (percentages express on the basis of the sum of components (A) and (B)): (A) 65-90 wt% of a heterophasic polypropylene composition comprising (percentages expressed on the basis of the polypropylene composition): (1) 65-95 wt% of a propylene polymer selected from propylene homopolymer and co- and terpolymers of propylene with a comonomer selected from ethylene, a C4-C10 alpha-olefin and a mixture thereof, said polymer containing 0.1-10 wt% of comonomer units, being insoluble in xylene at 25°C in an amount over 85 wt%, having a polydispersity index ranging from 4 to 13 and an intrinsic viscosity ([η]1) value of over 2.2 dl/g; and (2) 5-35 wt% of an olefin polymer of ethylene with propylene or a C4-C10 alpha- olefin having an ethylene content ranging from 15 to 85 wt% and an intrinsic viscosity of the fraction soluble in xylene ([η]2) of at least 1.4 dl/g; wherein the ratio of the intrinsic viscosity value of propylene polymer (1) to that of olefin polymer (2) ([η]1/[η]2) ranges from 0.45 to 1.6; and (B) 10-35 wt% of a at least one filler selected among calcium carbonate, talc, wollastonite or mixtures thereof.
Abstract:
A polyolefin composition comprising: T1) 70-95wt%, of a polyolefin component containing: a1) from 30 wt% to 70 wt% of a propylene based polymer; a2) from 30 wt% to 70 wt% of an ethylene based polymer; T2) 5-30 wt% of a polyolefin component containing: A) 5-35% by weight of a propylene homopolymer or a propylene ethylene copolymer; B) 25-50% by weight of a copolymer of ethylene and a C 3 -C 8 alpha-olefin comprising 0.1- 20% by weight of C 3 -C 8 alpha-olefin units; and C) 30-60% by weight of a copolymer of ethylene and propylene comprising 25-75% by weight of ethylene units.
Abstract:
Poliolefinic fiber comprising from 2wt% to 20 wt% relative to the total weight of the fiber of a polyolefin composition comprising: A) 5-35% by weight of a propylene homopolymer or a propylene ethylene copolymer; B) 25-50% by weight; of a copolymer of ethylene and a C 3 - C 8 alpha-olefin containing from 0.1% to 20% by weight of alpha-olefin units; and C) 30-60% by weight of a copolymer of ethylene and propylene containing from 25% to 75% by weight of ethylene units;
Abstract:
A consumable filament for use in an extrusion-based additive manufacturing system comprising an heterophasic propylene ethylene copolymer having a xylene soluble content ranging from 1 wt% to 50 wt% and a melt flow rate MFR L (Melt Flow Rate according to ISO 1133, condition L, i.e. 230°C and 2.16 kg load) ranging from 0.5 to 100 g/10 min.
Abstract:
A plate for use in an extrusion-based additive manufacturing system comprising as a top layer a sheet or film comprising polyolefin composition A) wherein composition A) comprises: (i) 5-35% by weight; of a propylene homopolymer or a propylene ethylene copolymer (ii) 20-50% by weight; of a copolymer of ethylene and a C 3 -C 8 alpha-olefin; and (iii) 30-60% by weight of a copolymer of ethylene and propylene.
Abstract:
A consumable filament for use in an extrusion-based additive manufacturing system comprising a propylene ethylene copolymer having: - ethylene derived units content ranging from 3.0 wt% to 12.0 wt%; - MFR L (Melt Flow Rate according to ISO 1133, condition L, i.e. 230°C and 2.16 kg load) from 4 to 20 g/10 min; and - xylene solubles measured at 25°C comprised between 3 wt% and 30 wt%.
Abstract:
A polyolefin composition comprising: A) 20-95 wt% of a propylene homo-polymer or a crystalline co-polymer of propylene with ethylene and/or an alpha -olefin having 4-10 carbon atoms, containing 85wt% or more of propylene, having an isotactic index equal to or higher than 80; B) 5-80 wt% of a copolymer of butene-1 with ethylene and/or an alpha -olefin having 3-10 carbon atoms having: - a content of butene-1 derived units of 80wt% wt or more, - molecular weight distribution Mw/Mn of less than 3. - flexural modulus of 60 MPa or less. Fibres and spun bond (woven non woven), disposable sanitary items (e.g. diapers) thereof.