Process for Producing Polypropylene Film

The invention relates to a process for producing a polypropylene film having a small dynamic coefficient of friction (CoF) and to a film obtained by this process. The invention further relates to the use of a polypropylene composition in a film forming process in order to reduce the required amount of slip agent for achieving a certain CoF and, alternatively, to the use of a polypropylene composition in a film forming process in order to reduce the required storage time for achieving a certain CoF.

Polypropylene blown film

The invention refers to polypropylene blown films which are characterised by excellent optical and mechanical properties. The polypropylene composition used for the films contains nucleating agents.

Collation shrink films

A process for collation shrink wrapping an object that may include a number of individual containers, preferably a number of substantially identical containers. The process may include the steps of (i) obtaining a binding tape that is a film uniaxially oriented in the machine direction (MD) and wrapping the tape around the object, (ii) sealing the ends of the now wrapped binding tape (i.e., to form a loop), (iii) obtaining a collation shrink film that may include a multimodal linear low density polyethylene (LLDPE), the film being a stretched film that is uniaxially oriented in the machine direction (MD) in a draw ratio of at least 1:3, (iv) wrapping the collation shrink film around the object of step (ii), (v) heating the wrapped object of step (iv) such that the tape shrinks in its machine direction and the collation shrink film shrinks in its machine direction.

Polypropylene film with improved balance of mechanical properties

The present invention relates to a blown film made of a composition comprising a) a propylene heterophasic copolymer (A) with a matrix propylene polymer and an ethylene-propylene-rubber characterized in that the film has been monoaxially oriented in the machine direction with a stretch ratio of 1:1.1 to 1:10, to a process for making such a film, to the use of said composition in making such a film, and to an article comprising such a film.

Process of making polyolefin fibers

Polyolefin fibers and polyolefin yarns of high strength and elongation and textile fabrics produced therefrom, which consist of modified propylene polymers, unmodified propylene polymers and adjuvants, are produced by melting the polyolefin mixtures in the extruder, transferring the melt by extrusion pumps to the spinnerets and drawing off the extruded filaments by high-speed galettes and/or winders.

MULTILAYER FILM WITH IMPROVED PROPERTIES

The present invention relates to a multilayer film comprising at least two outer layers (A) and (C) and at least one core layer (B), at least one of the outer layers (A) and/or (C) comprises component a1), whereas the other outer layer comprises component a1) or a2), whereby component a1) is a terpolymer of propylene, ethylene and one C4 to C10 α-olefin; whereby said terpolymer a1) has an ethylene content in the range of 0.1 to 8.0 wt.-% based on the total weight of the terpolymer a1); a C4 to C10 α-olefin content in the range of 0.1 to 16.0 wt.-% based on the total weight of the terpolymer a1); and a melt flow rate MFR2 measured according to ISO 1133 (230° C., 2.16 kg load) in the range of 0.5 to 12.0 g/10 min; component a2) is a polypropylene having a melting temperature of at least 150° C.; and layer (B) comprises a heterophasic propylene copolymer b), said heterophasic propylene copolymer b) comprises a matrix being a random propylene copolymer b1) and an elastomeric propylene copolymer ...

Polypropylene Film with Improved Balance of Mechanical Properties

The present invention relates to a blown film made of a composition comprising a) a propylene heterophasic copolymer (A) with a matrix propylene polymer and an ethylene-propylene-rubber characterized in that the film has been monoaxially oriented in the machine direction with a stretch ratio of 1:1.1 to 1:10, to a process for making such a film, to the use of said composition in making such a film, and to an article comprising such a film.

Polyolefin sheets and polyolefin coatings of substrates

Polyolefin sheets and/or polyolefin coatings of substrates, such as textile fabrics, plastic sheets, paper, cardboard and metal with a high dimensional accuracy and thermal shock stability, consisting of modified polypropylene polymers or mixtures of modified polypropylene polymers and unmodified propylene polymers, the polyolefin sheets and/or polyolefin coating being produced by conventional processing methods. The polyolefin sheets and polyolefin coatings of substrates are suitable for use in the sectors of packaging, pharmacy, textile industry, vehicle equipment and machinery construction, electrical engineering, electronics, domestic appliances, medicine and the building industry.

Collation shrink films

A process for collation shrink wrapping an object that may include a number of individual product containers, preferably substantially identical product containers. The process may include the steps of (i) obtaining a collation shrink film that may include a multimodal linear low density polyethylene (LLDPE), the film being a stretched film that is uniaxially oriented in the machine direction (MD) in a draw ratio of at least 1:3, (ii) wrapping the object in the film, and (iii) heating the object wrapped in the film in order to collation shrink the film around the object.

HETEROPHASIC PROPYLENE POLYMER COMPOSITION WITH IMPROVED PROPERTY PROFILE

The present invention relates to a heterophasic polypropylene composition with an improved property profile, e.g. improved balance of toughness, softness and haze, comprising a heterophasic propylene copolymer and a copolymer of propylene and 1-hexene.

Polyolefin fibers and polyolefin yarns and textile fabrics produced therefrom

Polyolefin fibers and polyolefin yarns of high strength and elongation and textile fabrics produced therefrom. Polyolefin fibers and polyolefin yarns of high strength and elongation and textile fabrics produced therefrom, which consist of modified propylene polymers, unmodified propylene polymers and adjuvants, are produced by melting the polyolefin mixtures in the extruder, transferring the melt by extrusion pumps to the spinnerets and drawing off the extruded filaments by high-speed galettes and/or winders. The polyolefin fibers and polyolefin yarns of high strength and elongation and the textile fabrics produced therefrom are suitable for the production of textiles for the home, multilayered textiles, industrial textiles, nonwoven materials in medicine and hygiene and elastic hygiene articles.

BIAXIALLY ORIENTED POLYPROPYLENE-BASED MULTILAYER FILM

Polypropylene-based multilayer film, which is biaxially oriented, a process for manufacturing the biaxially oriented multilayer film and its use in flexible packaging.

Polyolefin fibers and polyolefin yarns and textile fabrics produced therefrom

Polyolefin fibers and polyolefin yarns of high strength and elongation and textile fabrics produced therefrom, which consist of modified propylene polymers, unmodified propylene polymers and adjuvants, are produced by melting the polyolefin mixtures in the extruder, transferring the melt by extrusion pumps to the spinnerets and drawing off the extruded filaments by high-speed galettes and/or winders. The polyolefin fibers and polyolefin yarns of high strength and elongation and the textile fabrics produced therefrom are suitable for the production of textiles for the home, multilayered textiles, industrial textiles, nonwoven materials in medicine and hygiene and elastic hygiene articles.

Films

A multilayer machine direction oriented film comprising at least an (A) layer and (B) layer, at least one of said (A) layer or (B) layer comprising at least 50 wt % of a multimodal linear low density polyethylene (LLDPE) having a density of 905 to 940 kg/m3 and an MFR2 of 0.01 to 20 g/10 min and comprising a lower molecular weight (LMW) component and a higher molecular weight (HMW) component; wherein said LMW component is an ethylene homopolymer and said HMW component is an ethylene polymer of ethylene with at least two C4-12 alpha olefins; wherein said film is a stretched film which is uniaxially oriented in the machine direction (MD) in a draw ratio of at least 1:3 and has a film thickness of at least 40 microns (after stretching) and wherein said film does not comprise a layer in which more than 50 wt % of said layer comprises a polymer component having a melting point (Tm) of 100° C. or less.

Multilayer film with improved properties

The present invention relates to a multilayer blown film including at least one skin layer (A) including a Ziegler Natta catalyzed heterophasic propylene copolymer (HECO) and one inner layer (B) including a metallocene catalyzed propylene based random copolymer (PRC), and optionally one core layer (C) including either a Ziegler Natta catalyzed heterophasic propylene copolymer (HECO) or a metallocene catalyzed propylene based random copolymer (PRC).

Process for producing polypropylene film

The invention relates to a process for producing a polypropylene film having a small dynamic coefficient of friction (CoF) and to a film obtained by this process. The invention further relates to the use of a polypropylene composition in a film forming process in order to reduce the required amount of slip agent for achieving a certain CoF and, alternatively, to the use of a polypropylene composition in a film forming process in order to reduce the required storage time for achieving a certain CoF.

Polypropylene blown film

The invention refers to polypropylene blown films which are characterised by excellent optical and mechanical properties. The polypropylene composition used for the films contains nucleating agents.

Collation Shrink Films

A process for collation shrink wrapping an object that may include a number of individual product containers, preferably substantially identical product containers. The process may include the steps of (i) obtaining a collation shrink film that may include a multimodal linear low density polyethylene (LLDPE), the film being a stretched film that is uniaxially oriented in the machine direction (MD) in a draw ratio of at least 1:3, (ii) wrapping the object in the film, and (iii) heating the object wrapped in the film in order to collation shrink the film around the object. 1. A process for collation shrink wrapping an object which comprises a plurality of individual product containers , preferably substantially identical product containers , comprising:(i) obtaining a collation shrink film comprising a multimodal linear low density polyethylene (LLDPE), said film being a stretched film which is uniaxially oriented in the machine direction (MD) in a draw ratio of at least 1:3;(ii) wrapping said object in said film; and(iii) heating said object wrapped in the film in order to collation shrink said film around said object.2. A process as claimed in comprising:(i) obtaining a collation shrink film comprising a multimodal linear low density polyethylene (LLDPE), said film being a stretched film which is uniaxially oriented in the machine direction (MD) in a draw ratio of at least 1:3 on a spool;(ii) dispensing film from said spool and cutting the film into an appropriate length to wrap around said object;(iii) wrapping said object in said film; and(iv) heating said object wrapped in the film in order to collation shrink said film around said object.3. A process as claimed in claim 1 , whereas said collation shrink film has a thickness of 15 to 40 microns.4. A process as claimed in claim 1 , wherein the object wrapped in the film is heated to a temperature of 170° C. or less.5. A process as claimed in claim 1 , wherein said multimodal polyethylene is formed from a lower ...

Collation Shrink Films

A process for collation shrink wrapping an object that may include a number of individual containers, preferably a number of substantially identical containers. The process may include the steps of (i) obtaining a binding tape that is a film uniaxially oriented in the machine direction (MD) and wrapping the tape around the object, (ii) sealing the ends of the now wrapped binding tape (i.e., to form a loop), (iii) obtaining a collation shrink film that may include a multimodal linear low density polyethylene (LLDPE), the film being a stretched film that is uniaxially oriented in the machine direction (MD) in a draw ratio of at least 1:3, (iv) wrapping the collation shrink film around the object of step (ii), (v) heating the wrapped object of step (iv) such that the tape shrinks in its machine direction and the collation shrink film shrinks in its machine direction. 1. A process for collation shrink wrapping an object which comprises a plurality of individual containers , preferably a plurality of substantially identical containers , comprising:(i) obtaining a binding tape which is a film uniaxially oriented in the machine direction (MD) and wrapping said tape around said object;(ii) sealing the ends of the now wrapped binding tape (i.e., to form a loop);(iii) obtaining a collation shrink film comprising a multimodal linear low density polyethylene (LLDPE), said film being a stretched film which is uniaxially oriented in the machine direction (MD) in a draw ratio of at least 1:3;(iv) wrapping said collation shrink film around said object of step (ii);(v) heating said wrapped object of step (iv) such that the tape shrinks in its machine direction and the collation shrink film shrinks in its machine direction.2. A process for collation shrink wrapping an object which comprises a plurality of individual containers , preferably a plurality of substantially identical containers , comprising:(i) obtaining a binding tape which is a film uniaxially oriented in the machine ...

FILMS

A monolayer machine direction oriented film comprising a blend of a multimodal linear low density polyethylene (LLDPE) and a plastomer having a density of 900 kg/mor less, said film being a stretched film which is uniaxially oriented in the machine direction (MD) in a draw ratio of at least 1:3; or a multilayer machine direction oriented film comprising at least an (A) layer and (B) layer, said (A) layer being an outer layer and comprising a multimodal linear low density polyethylene (LLDPE) and a plastomer having a density of 900 kg/mor less; said (B) layer comprising a multimodal linear low density polyethylene (LLDPE); wherein said film is a stretched film which is uniaxially oriented in the machine direction (MD) in a draw ratio of at least 1:3. 1. A multilayer machine direction oriented film comprising at least an (A) layer and (B) layer , said (A) layer being an outer layer and comprising a multimodal linear low density polyethylene (LLDPE) and a plastomer having a density of 900 kg/mor less;said (B) layer comprising a multimodal linear low density polyethylene (LLDPE);wherein said film is a stretched film which is uniaxially oriented in the machine direction (MD) in a draw ratio of at least 1:3; or{'sup': '3', 'a monolayer machine direction oriented film comprising a blend of a multimodal linear low density polyethylene (LLDPE) and a plastomer having a density of 900 kg/mor less, said film being a stretched film which is uniaxially oriented in the machine direction (MD) in a draw ratio of at least 1:3.'}2. The film of claim 1 , wherein the plastomer is a propylene ethylene copolymer or an ethylene octene copolymer.3. The film of claim 1 , wherein the density of the plastomer is 870 to 880 kg/m.4. The film of claim 1 , wherein the (A) layer or monolayer film consists essentially of the plastomer and multimodal LLDPE.5. The film of claim 1 , wherein the multilayer film is an ABA film.6. The film of claim 1 , wherein the (B) layer consists essentially of ...

Films

A multilayer machine direction oriented film comprising at least an (A) layer and (B) layer, at least one of said (A) layer or (B) layer comprising at least 50 wt % of a multimodal linear low density polyethylene (LLDPE) having a density of 905 to 940 kg/m 3 and an MFR 2 of 0.01 to 20 g/10 min and comprising a lower molecular weight (LMW) component and a higher molecular weight (HMW) component; wherein said LMW component is an ethylene homopolymer and said HMW component is an ethylene polymer of ethylene with at least two C4-12 alpha olefins; wherein said film is a stretched film which is uniaxially oriented in the machine direction (MD) in a draw ratio of at least 1:3 and has a film thickness of at least 40 microns (after stretching) and wherein said film does not comprise a layer in which more than 50 wt % of said layer comprises a polymer component having a melting point (Tm) of 100° C. or less.

Multilayer structure

Film

Movie

Una película multicapa soplada y asimétrica que comprende al menos dos capas, una capa que contiene polipropileno externo, al menos una capa de núcleo y una capa sellante externa; en la que dicha capa de polipropileno externo se encuentra libre de polietileno y comprende al menos un copolímero aleatorio de polipropileno; y dicha capa sellante comprende al menos un LLDPE que tiene un MFR2 de al menos 2 g/10 min (ISO1133); en la que al menos 18 % del espesor total de la película procede de la capa sellante. A blown and asymmetric multilayer film comprising at least two layers, a layer containing external polypropylene, at least one core layer and an external sealing layer; wherein said outer polypropylene layer is free of polyethylene and comprises at least one random polypropylene copolymer; and said sealant layer comprises at least one LLDPE having an MFR2 of at least 2 g / 10 min (ISO1133); in which at least 18% of the total thickness of the film comes from the sealant layer.

C2c3 random copolymer composition

New C 2 C 3 random copolymer composition, which shows improved sealing behaviour due to low sealing initiation temperature (SIT) and high hot tack force. In addition, the inventive composition shows an excellent sterilization behaviour, i.e. retention of low haze level after sterilization. The present invention is furthermore related to the manufacture of said copolymer composition and to its use.

Multilayer film with improved properties

Polypropylene coating composition

The present invention relates to a polypropylene composition comprising a propylene random copolymer having- a melt flow rate MFR₂ (230°C/2.16kg) measured according to ISO 1133 of 15 to 40 g/10min,- a melting temperature T_m as determined by DSC according to ISO 11357 of 115 to 145 °C, and- a number of 2,1 and 3,1 regio defects of from 0.01 to 1.2 mol% as measured by ¹³C NMR,to an article coated with said composition, to a process for coating an article with said composition and to the use of said composition for coating an article.

Polypropylene coating composition

The present invention relates to use of a polypropylene composition comprising a polypropylene having - a melt flow rate MFR 2 (230°C/2.16kg) measured according to ISO 1133 of 10 to 40 g/10 min, - a melting temperature T m as determined by DSC according to ISO 11357 of 149 to 160 °C, and - a molecular weight distribution MWD of 2.4 to 4.5 as determined by GPC, for extrusion coating of an article, to a process for extrusion coating of an article and to an extrusion coated article.

Recyclable polymer films and compositions

Provided are multilayer polymer films comprising LLDPE, LDPE and a random propylene-ethylene copolymer which films suitable for packaging applications and are mechanically recyclable, and to recycled polymer compositions formed by mechanically recycling such films. The recycled polymer compositions may be combined with a polypropylene random copolymer and used to form further polymer films suitable for packaging applications applications.

Polypropylene-based article having an increased surface tension retention

Process for the production of a polypropylene based article having improved surface tension retention, and polypropylene based article having improved surface tension.

Film made from c2c3c4 terpolymer - c3c4 copolymer blend and c2c3c4 terpolymer - c3c4 copolymer blend

Film made from ethylene-propylene-1-butene terpolymer and propene-butene copolymer blend and ethylene-propylene-1-butene terpolymer and propene-butene copolymer blend.

Biaxially oriented polypropylene-based multilayer film

Polypropylene-based multilayer film, which is biaxially oriented, a process for manufacturing the biaxially oriented multilayer film and its use in flexible packaging.

Biaxially oriented articles comprising multimodal polyethylene polymer

The present invention is concerned with biaxially oriented articles comprising a multimodal polyethylene terpolymer. Such articles may be mono- or multilayer films or laminates. The present invention is further related to their production and the use of such oriented articles in packaging articles.

Heterophasic propylene polymer composition with improved property profile

The present invention relates to a heterophasic polypropylene composition with an improved property profile, e.g. improved balance of toughness, softness and haze, comprising a heterophasic propylene copolymer and a copolymer of propylene and 1-hexene.

Blown polypropylene film

Blown grade showing superior stiffness, transparency and processing behaviour

Extrusion blown film comprising a polypropylene composition. said polypropylene composition comprises a random propylene copolymer. a high melt strength polypropylene. and optionally a α-nucleating agent. wherein (a) the random propylene copolymer comprises units derived from propylene and at least another C 2 to C 20 α-olefin. (b) the high melt strength polypropylene has a branching index g' of less than 1.0. wherein further • the random propylene copolymer (R-PP) and the high melt strength polypropylene (HMS-PP) are chemically different. and • the extrusion melt blown film fulfills the equation Tm - Tc ≤ 30 wherein Tm is the melting temparetaure [°C] making up more than 50% of the total melting enthalpy Hm of the extrusion melt blown film or of the polypropylene composition measured by DSC according to ISO 11357-3; Tc is the crystallization temperature [°C] of the extrusion melt blown film or of the polypropylene composition measured by DSC according to ISO 11357-3.

Blownfilm grade showing superior stiffness, transparency and processing behaviour

Extrusion blown film comprising a polypropylene composition, said polypropylene composition comprises a random propylene copolymer, a high melt strength polypropylene, a polypropylene and optionally a ±-nucleating agent, wherein (a) the random propylene copolymer comprises units derived from propylene and at least another C 2 to C 20 ±-olefin, (b) the high melt strength polypropylene has a branching index g' of less than 1.0, (c) the polypropylene has a MFR 2 (230 °C) of at least 400 g/10min, wherein further €¢ the random propylene copolymer (R-PP), the high melt strength polypropylene (HMS-PP), and the polypropylene (B) are chemically different, and €¢ the extrusion melt blown film fulfills the equation Tm - Tc ‰¤ 30 wherein Tm is the melting temparetaure [°C] making up more than 50% of the total melting enthalpy Hm of the extrusion melt blown film or of the polypropylene composition measured by DSC according to ISO 11357-3; Tc is the crystallization temperature [°C] of the extrusion melt blown film or of the polypropylene composition measured by DSC according to ISO 11357-3.

Blown film

Blown films, especially monolayer blown films, with an improved property profile, the blown films comprising at least 95.0 wt% of a specific heterophasic propylene copolymer (TERHECO).

Film

An asymmetric blown multilayer film comprising at least two layers, an outer polypropylene containing layer and an outer sealing layer; said outer polypropylene layer comprising at least one polypropylene random copolymer; said sealing layer comprising at least one LLDPE having an MFR 2 of at least 2 g/10min; wherein at least 18% of total thickness of the film derives from the sealing layer.

Collation shrink films

A process for collation shrink wrapping a plurality of individual containers

Process for producing polypropylene film

The invention relates to a process for producing a polypropylene film having a small dynamic coefficient of friction (CoF) and to a film obtained by this process. The invention further relates to the use of a polypropylene composition in a film forming process in order to reduce the required amount of slip agent for achieving a certain CoF and, alternatively, to the use of a polypropylene composition in a film forming process in order to reduce the required storage time for achieving a certain CoF.

Films

A multilayer machine direction oriented film comprising at least an (A) layer and (B) layer, at least one of said (A) layer or (B) layer comprising at least 50 wt% of a multimodal linear low density polyethylene (LLDPE) having a density of 905 to 940 kg/m 3 and an MFR 2 of 0.01 to 20 g/10min and comprising a lower molecular weight (LMW) component and a higher molecular weight (HMW) component; wherein said LMW component is an ethylene homopolymer and said HMW component is an ethylene polymer of ethylene with at least two C4-12 alpha olefins; wherein said film is a stretched film which is uniaxially oriented in the machine direction (MD) in a draw ratio of at least 1:3 and has a film thickness of at least 40 microns (after stretching) and wherein said film does not comprise a layer in which more than 50 wt% of said layer comprises a polymer component having a melting point (Tm) of 100°C or less.

Films

Multilayer structure

The present invention is directed to a multilayer structure. More specifically, the present invention is directed to a polypropylene multilayer extrusion laminate structure which provides sufficient thermal resistance and mechanical properties, and which multilayer structure can be recycled. The present invention is further directed to a process for producing the multilayer structure by an extrusion lamination process.

Multilayer structure

The present invention is directed to a multilayer structure. More specifically, the present invention is directed to a polypropylene multilayer extrusion laminate structure which provides sufficient thermal resistance and mechanical properties, and which multilayer structure can be recycled. The present invention is further directed to a process for producing the multilayer structure by an extrusion lamination process.

Multi-layer structure

Estructura de múltiples capas, que comprende i) una primera capa externa A) que comprende, como mínimo, una capa de película A-1) de composición de polipropileno orientada, como mínimo, en la dirección de la máquina; ii) una segunda capa externa B) que comprende, como mínimo, una capa de película B-1) de composición de polipropileno no orientada iii) una capa central C) que comprende, como mínimo, una capa de película C-1) de un polipropileno ramificado, entre la primera capa externa A) y la segunda capa externa B), y en la que todas las capas de película opcionales adicionales de la estructura de múltiples capas son de composición de polipropileno. Multilayer structure, comprising i) a first outer layer A) comprising at least one film layer A-1) of polypropylene composition oriented at least in the machine direction; ii) a second outer layer B) comprising at least one layer of film B-1) of non-oriented polypropylene composition iii) a central layer C) comprising at least one layer of film C-1) of a branched polypropylene, between the first outer layer A) and the second outer layer B), and wherein all further optional film layers of the multilayer structure are of polypropylene composition.

Biaxially oriented articles comprising multimodal polyethylene polymer

The present invention is concerned with biaxially oriented articles comprising a multimodal polyethylene terpolymer. Such articles may be mono- or multilayer films or laminates. The present invention is further related to their production and the use of such oriented articles in packaging articles.

Machine direction oriented film

Multilayer film with improved properties

The present invention relates to a multilayer film comprising at least two outer layers (A) and (C) and at least one core layer (B), at least one of the outer layers (A) and/or (C) comprises component a1), whereas the other outer layer comprises component a1) or a2), whereby component a1) is a terpolymer of propylene, ethylene and one C4 to C10 α-olefin; whereby said terpolymer a1) has an ethylene content in the range of 0.1 to 8.0 wt.-% based on the total weight of the terpolymer a1); a C4 to C10 α-olefin content in the range of 0.1 to 16.0 wt.- % based on the total weight of the terpolymer a1); and a melt flow rate MFR2 measured according to ISO 1133 (230°C, 2.16 kg load) in the range of 0.5 to 12.0 g/10 min; component a2) is a polypropylene having a melting temperature of at least 150°C; and layer (B) comprises a heterophasic propylene copolymer b), said heterophasic propylene copolymer b) comprises a matrix being a random propylene copolymer b1) and an elastomeric propylene copolymer b2) dispersed in said matrix; whereby the heterophasic propylene copolymer b) has a melt flow rate MFR2 measured according to ISO 1133 (230°C, 2.16 kg load) in the range of 0.3 to 20.0 g/10 min; a xylene cold soluble content (XCS) determined according ISO 16152 (25°C) in the range of 16.0 to 50.0 wt.-%; and a comonomer content in the range of 11.5 to 21.0 mol-%. In addition, the present invention relates to the use of the multilayer film according to the present invention for soft packaging applications, preferably pouches for food packaging, for medical applications or for pharmaceutical applications.

Collation shrink films

A process for collation shrink wrapping an object which comprises a plurality of individual product containers, preferably substantially identical product containers, comprising: (i) obtaining a collation shrink film comprising a multimodal linear low density polyethylene (LLDPE), said film being a stretched film which is uniaxially oriented in the machine direction (MD) in a draw ratio of at least 1:3; (ii) wrapping said object in said film; (iii) heating said object wrapped in the film in order to collation shrink said film around said object.

Collation shrink films

A process for collation shrink wrapping an object which comprises a plurality of individual containers, preferably a plurality of substantially identical containers, comprising: (i) obtaining a binding tape which is a film uniaxially oriented in the machine direction (MD) and wrapping said tape around said object; (ii) sealing the ends of the now wrapped binding tape (i.e. to form a loop); (iii) obtaining a collation shrink film comprising a multimodal linear low density polyethylene (LLDPE), said film being a stretched film which is uniaxially oriented in the machine direction (MD) in a draw ratio of at least 1:3; (iv) wrapping said collation shrink film around said object of step (ii); (v) heating said wrapped object of step (iv) such that the tape shrinks in its machine direction and the collation shrink film shrinks in its machine direction.

Propylene polymer compositions with improved mechanical property profile

Transparent, easily rip-off film

Biaxially oriented articles comprising multimodal polyethylene polymer

Multilayer film with improved properties

The present invention relates to a multilayer film comprising at least two outer layers (A) and (C) and at least one core layer (B), at least one of the outer layers (A) and/or (C) comprises component a1), whereas the other outer layer comprises component a1) or a2), whereby component a1) is a terpolymer of propylene, ethylene and one C4 to C10 α-olefin; whereby said terpolymer a1) has an ethylene content in the range of 0.1 to 8.0 wt.-% based on the total weight of the terpolymer a1); a C4 to C10 α-olefin content in the range of 0.1 to 16.0 wt.- % based on the total weight of the terpolymer a1); and a melt flow rate MFR2 measured according to ISO 1133 (230°C, 2.16 kg load) in the range of 0.5 to 12.0 g/10 min; component a2) is a polypropylene having a melting temperature of at least 150°C; and layer (B) comprises a heterophasic propylene copolymer b), said heterophasic propylene copolymer b) comprises a matrix being a random propylene copolymer b1) and an elastomeric propylene copolymer b2) dispersed in said matrix; whereby the heterophasic propylene copolymer b) has a melt flow rate MFR2 measured according to ISO 1133 (230°C, 2.16 kg load) in the range of 0.3 to 20.0 g/10 min; a xylene cold soluble content (XCS) determined according ISO 16152 (25°C) in the range of 16.0 to 50.0 wt.-%; and a comonomer content in the range of 11.5 to 21.0 mol-%. In addition, the present invention relates to the use of the multilayer film according to the present invention for soft packaging applications, preferably pouches for food packaging, for medical applications or for pharmaceutical applications.

Multilayer film with improved properties

The present invention relates to a multilayer blown film comprising at least one skin layer (A) comprising a Ziegler Natta catalyzed heterophasic propylene copolymer (HECO) and one inner layer (B) comprising a metallocene catalyzed propylene based random copolymer (PRC), and optionally one core layer (C) comprising either a Ziegler Natta catalyzed heterophasic propylene copolymer (HECO) or a metallocene catalyzed propylene based random copolymer (PRC).

Multilayer film with improved properties

The present invention relates to a multilayer blown film comprising at least one skin layer (A) comprising a Ziegler Natta catalyzed heterophasic propylene copolymer (HECO) and one inner layer (B) comprising a metallocene catalyzed propylene based random copolymer (PRC), and optionally one core layer (C) comprising either a Ziegler Natta catalyzed heterophasic propylene copolymer (HECO) ora metallocene catalyzed propylene based random copolymer (PRC).

Multilayer structure

The present invention is directed to a multilayer structure. More specifically, the present invention is directed to a polypropylene multilayer extrusion laminate structure which provides sufficient thermal resistance and mechanical properties, and which multilayer structure can be recycled. The present invention is further directed to a process for producing the multilayer structure by an extrusion lamination process.

Multi-layer structure

estrutura de múltiplas camadas. a presente invenção refere-se a uma estrutura de múltiplas camadas. mais especificamente, a presente invenção é dirigida a uma estrutura de laminado de extrusão de múltiplas camadas de polipropileno que fornece resistência térmica e propriedades mecânicas suficientes, e cuja estrutura de múltiplas camadas pode ser reciclada. a presente invenção é também dirigida a um processo para produzir a estrutura de múltiplas camadas por um processo de laminação por extrusão. multi-layer structure. the present invention relates to a multilayer structure. more specifically, the present invention is directed to a polypropylene multi-layer extrusion laminate structure that provides sufficient thermal resistance and mechanical properties, and whose multi-layer structure can be recycled. the present invention is also directed to a process for producing the multilayer structure by an extrusion lamination process.

Coated article

The present invention relates to a coated article comprising at least a substrate layer (SL), a first coating layer (CL1) and a second coating layer (CL2), wherein CL2 comprises a polypropylene composition comprising (A) a polypropylene homopolymer having a melt flow rate MFR2 (230°C/2.16kg) measured according to ISO 1133 in the range from 10 to 40 g/10 min; a melting temperature Tm as determined by DSC according to ISO 11357 in the range from 149 to 162°C; and a molecular weight distribution MWD in the range from 2.4 to 4.5 as determined by GPC; and/or (B) an ethylene propylene random copolymer having a melt flow rate MFR2 (230°C/2.16kg) measured according to ISO 1133 in the range from 4 to 40 g/10min; a melting temperature Tm as determined by DSC according to ISO 11357 in the range from 115 to 145°C; and a number of 2,1 and 3,1 regio defects in the range from 0.01 to 1.2 mol-% as measured by 13C NMR; and wherein SL and CL1 are polypropylene-based layers. Furthermore, the present invention refers to a process for manufacturing the coated article and to its use. Another aspect of the present invention relates to a process for recycling the coated article to obtain a recycled polypropylene and to the use of said recycled polypropylene.

Machine-oriented film

Una película orientada en la dirección de la máquina multicapa que comprende al menos una capa (A) y una capa (B), comprendiendo al menos una de dicha capa (A) o capa (B) al menos un 50 % en peso de un polietileno lineal de baja densidad (LLDPE) multimodal que tiene una densidad de 905 a 935 kg/m3 y un MFR2 de 0,01 a 20 g/10 min que comprende un componente de peso molecular más bajo (LMW) y un componente de peso molecular más alto (HMW); en la que dicho componente de LMW es un homopolímero de etileno y dicho componente de HMW es un polímero de etileno de etileno con al menos dos alfa-olefinas C4-12. en la que dicha película es una película estirada que está orientada uniaxialmente en la dirección de la máquina (DM) en una proporción de estirado de al menos 1:3 y tiene un espesor de película de al menos 40 micrómetros (después del estiramiento) y en la que dicha película no comprende una capa en la que más de un 50 % en peso de dicha capa comprende un componente polimérico que tiene un punto de fusión (Tm) de 100 °C o menos. A film oriented in the direction of the multilayer machine comprising at least one layer (A) and one layer (B), at least one of said layer (A) or layer (B) comprising at least 50% by weight of a multimodal linear low density polyethylene (LLDPE) having a density of 905 to 935 kg / m3 and an MFR2 of 0.01 to 20 g / 10 min comprising a lower molecular weight component (LMW) and a weight component higher molecular (HMW); wherein said LMW component is an ethylene homopolymer and said HMW component is an ethylene ethylene polymer with at least two C4-12 alpha-olefins. wherein said film is a stretched film that is uniaxially oriented in the machine direction (DM) in a stretch ratio of at least 1: 3 and has a film thickness of at least 40 micrometers (after stretching) and wherein said film does not comprise a layer in which more than 50% by weight of said layer comprises a polymer component having a melting point (Tm) of 100 ° C or less.

Films

Película orientada en dirección de máquina de múltiples capas que comprende al menos una capa (A) y una capa (B), siendo dicha capa (A) una capa exterior y comprendiendo un polietileno lineal de baja densidad (LLDPE) multimodal y un plastómero que tiene una densidad de 900 kg/m3 o menos; comprendiendo dicha capa (B) un polietileno lineal de baja densidad (LLDPE) multimodal; en la que dicha película es una película estirada que está orientada uniaxialmente en la dirección de máquina (MD) con una proporción de estiramiento de al menos 1:3; o una película orientada en dirección de máquina monocapa que comprende una mezcla de un polietileno lineal de baja densidad (LLDPE) multimodal y un plastómero que tiene una densidad de 900 kg/m3 o menos, siendo dicha película una película estirada que está orientada uniaxialmente en la dirección de máquina (MD) con una proporción de estiramiento de al menos 1:3. Multi-layer machine oriented film comprising at least one layer (A) and one layer (B), said layer (A) being an outer layer and comprising a multimodal linear low density polyethylene (LLDPE) and a plastomer that it has a density of 900 kg / m3 or less; said layer (B) comprising a multimodal linear low density polyethylene (LLDPE); wherein said film is a stretched film that is uniaxially oriented in the machine direction (MD) with a stretch ratio of at least 1: 3; or a film oriented in a monolayer machine direction comprising a mixture of a multimodal linear low density polyethylene (LLDPE) and a plastomer having a density of 900 kg / m3 or less, said film being a stretched film that is uniaxially oriented in machine direction (MD) with a stretch ratio of at least 1: 3.

Collation shrink films

A process for collation shrink wrapping an object which comprises a plurality of individual product containers, preferably substantially identical product containers. comprising: (i) obtaining a collation shrink film comprising a multimodal linear low density polyethylene (LLDPE), said film being a stretched film which is uniaxially oriented in the machine direct ion (MD) in a draw ratio of at least 1 :3; (ii) wrapping said object in said film; (iii) heating said object wrapped in the film in order to collation shrink said film around said object.

Films

A monolayer machine direction oriented film comprising a blend of a multimodal linear low density polyethylene (LLDPE) and a plastomer having a density of 900 kg/m 3 or less, said film being a stretched film which is uniaxially oriented in the machine direction (MD) in a draw ratio of at least 1:3; or a multilayer machine direction oriented film comprising at least an (A) layer and (B) layer, said (A) layer being an outer layer and comprising a multimodal linear low density polyethylene (LLDPE) and a plastomer having a density of 900 kg/m 3 or less; said (B) layer comprising a multimodal linear low density polyethylene (LLDPE); wherein said film is a stretched film which is uniaxially oriented in the machine direction (MD) in a draw ratio of at least 1:3.

Heterophasic propylene polymer composition with improved property profile

The present invention relates to a heterophasic polypropylene composition with an improved property profile, e.g. improved balance of toughness, softness and haze, comprising a heterophasic propylene copolymer and a copolymer of propylene and 1-hexene.

MULTILAYER FILM WITH IMPROVED PROPERTIES

FILME MULTICAMADA COM PROPRIEDADES APRIMORADAS. A presente invenção se refere a um filme multicamada que compreende pelo menos duas camadas externas (A) e (C) e pelo menos uma camada de núcleo (B), pelo menos uma das camadas externas (A) e/ou (C) compreende o componente a1), enquanto a outra camada externa compreende o componente a1) ou a2), através disso, o componente a1) é um terpolímero de propileno, etileno e uma C4 a C10 a-olefina; através disso, o dito terpolímero a1) tem um teor de etileno na faixa de 0,1 a 8,0 % em peso com base no peso total do terpolímero a1); um teor de C4 a C10 a-olefina na faixa de 0,1 a 16,0 % em peso com base no peso total do terpolímero a1); e uma taxa de fluxo de fusão MFR2 medida de acordo com ISO 1133 (230 °C, carga de 2,16 kg) na faixa de 0,5 a 12,0 g/10 min; o componente a2) é um polipropileno que tem uma temperatura de fusão de pelo menos 150 °C; e a camada (B) compreende um copolímero de propileno heterofásico b), o dito copolímero de propileno heterofásico b) compreende uma matriz que é um copolímero de propileno aleatório b1) e um copolímero de propileno elastomérico b2) dispersado na dita matriz; através disso, o copolímero de propileno heterofásico b) tem uma taxa de fluxo de fusão MFR2 medida de acordo com ISO 1133 (230 °C, carga de 2,16 kg) na faixa de 0,3 a 20,0 g/10 min; um teor de solúvel frio em xileno (XCS) determinado de acordo com ISO 16152 (25 °C) na faixa de 16,0 a 50,0 % em peso; e um teor de comonômero na faixa de 11,5 a 21,0 % em mol. Além disso, a presente invenção se refere ao uso do filme multicamada de acordo com a presente invenção para aplicações de embalagem macia, de preferência, bolsas para embalagem de alimentos, para aplicações médicas ou para aplicações farmacêuticas. MULTILAYER FILM WITH IMPROVED PROPERTIES. The present invention relates to a multilayer film comprising at least two outer layers (A) and (C) and at least one core layer (B), at least one of the outer layers (A) and/or (C) comprises ...

C2c3 random copolymer composition

New C2C3 random copolymer composition, which shows improved sealing behaviour due to low sealing initiation temperature (SIT) and high hot tack force. In addition, the inventive composition shows an excellent sterilization behaviour, i.e. retention of low haze level after sterilization. The present invention is furthermore related to the manufacture of said copolymer composition and to its use.

POLYPROPYLENE-BASED FILM

FILME À BASE DE POLIPROPILENO. A presente invenção se refere a um filme, de preferência um filme não orientado, que compreende uma composição de polipropileno que compreende um copolímero aleatório de unidades de monômero de propileno e unidades de comonômero de etileno, em que o copolímero aleatório tem um teor de unidades de comonômero de etileno de 0,5 a 4,0% em peso, com base na quantidade de peso total de unidades de monômero no copolímero aleatório, a composição de polipropileno tem uma taxa de fluxo de fusão MFR2 de 0,5 a 20,0 g/10 min, determinada de acordo com ISO 1133 a uma temperatura de 230 °C e uma carga de 2,16 kg, e o filme tem um módulo de tração na direção da máquina TM-MD na faixa de 450 a 850 MPa, quando medido de acordo com a ISO 527-3 em um filme fundido monocamada de 50 µm, um processo para produzir esse filme e o uso dessa composição de polipropileno para a produção de um filme com um equilíbrio aprimorado de propriedades de módulo de tração e impacto de protrusão.

Biaxially oriented articles comprising multimodal polyethylene polymer

The present invention is concerned with biaxially oriented articles comprising a multimodal polyethylene terpolymer. Such articles may be mono- or multilayer films or laminates. The present invention is further related to their production and the use of such oriented articles in packaging articles.

Polypropylene blown film

The invention refers to polypropylene blown films which are characterised by excellent optical and mechanical properties. The polypropylene composition used for the films contains nucleating agents.

Folia wytworzona z mieszanki terpolimeru c2c3c4 – kopolimeru c3c4 oraz mieszanka terpolimeru c2c3c4 – kopolimeru c3c4

Poyolefinschaumfolien und polyolefinbeschichtungen von substraten

Polypropylene-based article having an increased surface tension retention

Polypropylene-based article having an increased surface tension retention

Process for the production of a polypropylene based article having improved surface tension retention, and polypropylene based article having improved surface tension

Polymer composition suitable for film manufacturing

The present invention relates to a polymer composition suitable for manufacturing a film comprising the following components: a) 99.0 to 99.9999 wt.-% based on the total weight of the polymer composition of a metallocene-catalysed heterophasic polypropylene comprising: i) 80 to 95 wt.-% of a crystalline matrix being a propylene homo- or copolymer containing 0.0 to 5.0 wt.-% of a comonomer each based on the total weight of the metallocene-catalysed heterophasic polypropylene; and ii) 5 to 20 wt.-% based on the total weight of the metallocene- catalysed heterophasic polypropylene of an amorphous propylene ethylene elastomer optionally comprising C4-C12 alpha-olefin(s) as further comonomers, dispersed in said crystalline matrix i), wherein the crystalline matrix i) has a MFR2 (230°C, 2.16 kg, ISO 1133) in the range of 1.0 to 10.0 g/10 min and a melting point Tm (determined by DSC as described in the specification) in the range of 130 to 160°C; and the amorphous phase ii) has a C2-content of the XCS fraction in the range of 10 to 50 wt.-% based on the total weight of the and an IV of the XCS fraction (DIN ISO 1628/1) in the range of 1.2 to 5.0 dl/g; and i) and ii) add up to 100 wt.-%, and b) 0.0001 to 1.0 wt.-% of a beta-nucleating agent; wherein components a) and b) add up to 100 wt.-%. The present invention further relates to a film made of this composition and its use.

Coated article

The present invention relates to a coated article comprising at least a substrate layer (SL), a first coating layer (CL1) and a second coating layer (CL2), wherein CL2 comprises a polypropylene composition comprising (A) a polypropylene homopolymer having a melt flow rate MFR 2 (230°C/2.16kg) measured according to ISO 1133 in the range from 10 to 40 g/10 min; a melting temperature Tm as determined by DSC according to ISO 11357 in the range from 149 to 162°C; and a molecular weight distribution MWD in the range from 2.4 to 4.5 as determined by GPC; and/or (B) an ethylene propylene random copolymer having a melt flow rate MFR2 (230°C/2.16kg) measured according to ISO 1133 in the range from 4 to 40 g/10min; a melting temperature Tm as determined by DSC according to ISO 11357 in the range from 115 to 145°C; and a number of 2,1 and 3,1 regio defects in the range from 0.01 to 1.2 mol-% as measured by 13 C NMR; and wherein SL and CL1 are polypropylene-based layers. Furthermore, the present invention refers to a process for manufacturing the coated article and to its use. Another aspect of the present invention relates to a process for recycling the coated article to obtain a recycled polypropylene and to the use of said recycled polypropylene.

Biaxially oriented polypropylene-based multilayer film

Polypropylene-based multilayer film, which is biaxially oriented, a process for manufacturing the biaxially oriented multilayer film and its use in flexible packaging.

Propylen-polymerzusammensetzungen mit verbessertem mechanischem eigenschaftsprofil

Prozess zur herstellung von polypropylenfilmen

Composición de copolímero aleatorio C2C3

Nueva composición de copolímero aleatorio C2C3, que muestra un comportamiento de sellado mejorado debido a la baja temperatura de inicio del sellado (SIT) y la alta fuerza de adherencia en caliente. Además, la composición inventiva muestra un excelente comportamiento de esterilización, es decir, retención de un bajo nivel de turbidez después de la esterilización. La presente invención está además relacionada con la fabricación de dicha composición de copolímero y su uso. (Traducción automática con Google Translate, sin valor legal)

Polyproyplene containing c3c4 fraction

Polypropylene composition containing units derived from 1-butene.

Multilayer film with improved properties

The present invention relates to a multilayer blown film comprising at least one skin layer (A) comprising a Ziegler Natta catalyzed heterophasic propylene copolymer (HECO) and one inner layer (B) comprising a metallocene catalyzed propylene based random copolymer (PRC), and optionally one core layer (C) comprising either a Ziegler Natta catalyzed heterophasic propylene copolymer (HECO) or a metallocene catalyzed propylene based random copolymer (PRC).

Polypropylen-blasfolie

Polypropylene coating composition

The present invention relates to use of a polypropylene composition comprising a polypropylene having—a melt flow rate MFR2 (230° C./2.16 kg) measured according to ISO 1133 of 10 to 40 g/10 min, —a melting temperature T m as determined by DSC according to ISO 11357 of 149 to 160° C., and—a molecular weight distribution MWD of 2.4 to 4.5 as determined by GPC, for extrusion coating of an article, to a process for extrusion coating of an article and to an extrusion coated article.

Transparente leicht reissbare folie

Geblasene polypropylenfolie

Blasfolie aus polypropylen

A flexible mixed-plastic polypropylene blend (pp-flex)

Mixed-plastic polypropylene blend being particular suitable for flexible applications.

Polypropylen-filme mit verbesserten optischen eigenschaften

Blown film

Blown film of a polypropylene composition comprising an ethylene-propylene copolymer and polyethylene glycol.

Artigo à base de polipropileno que tem uma retenção de tensão superficial aumentada

ARTIGO À BASE DE POLIPROPILENO QUE TEM UMA RETENÇÃO DE TENSÃO SUPERFICIAL AUMENTADA. Processo para a produção de um artigo à base de polipropileno que tem retenção de tensão superficial aprimorada e artigo à base de polipropileno que tem tensão superficial aprimorada.

Propylene composition

A polypropylene (PP) composition comprising a long-chain branched terpolymer of propylene, ethylene and 1-butene (LCB-TER), wherein the composition has a MFR 2 , determined according to ISO1133, in a range of from 5 to 30 g/10min, a melting temperature Tm in a range of from 100 to 150°C and a crystallization temperature Tc in a range of from 90 to 120°C. A process for producing said PP composition involving a post-reactor treatment. Polymer film comprising said PP composition and a method for producing the same.

Coated article

The present invention relates to a coated article comprising at least a substrate layer (SL), a first coating layer (CL1) and a second coating layer (CL2), wherein CL2 comprises a polypropylene composition comprising (A) a polypropylene homopolymer having a melt flow rate MFR2 (230° C./2.16 kg) measured according to ISO 1133 in the range from 10 to 40 g/10 min; a melting temperature Tm as determined by DSC according to ISO 11357 in the range from 149 to 162° C.; and a molecular weight distribution MWD in the range from 2.4 to 4.5 as determined by GPC; and/or (B) an ethylene propylene random copolymer having a melt flow rate MFR2 (230° C./2.16 kg) measured according to ISO 1133 in the range from 4 to 40 g/10 min; a melting temperature Tm as determined by DSC according to ISO 11357 in the range from 115 to 145° C.; and a number of 2,1 and 3,1 regio defects in the range from 0.01 to 1.2 mol-% as measured by 13C NMR; and wherein SL and CL1 are polypropylene-based layers. Furthermore, the present invention refers to a process for manufacturing the coated article and to its use. Another aspect of the present invention relates to a process for recycling the coated article to obtain a recycled polypropylene and to the use of said recycled polypropylene.

Composição de polipropileno, artigo revestido, processo para revestimento de um artigo e uso

COMPOSIÇÃO DE POLIPROPILENO, ARTIGO REVESTIDO, PROCESSO PARA REVESTIMENTO DE UM ARTIGO E USO. A presente invenção refere-se a uma composição de polipropileno compreendendo um copolímero de propileno aleatório contendo - uma taxa de fluxo de fusão MFR2 (230°C/2,16 kg) medida de acordo com a ISO 1133 de 15 a 40 g/10min, - uma temperatura de fusão Tm conforme determinada por DSC de acordo com a ISO 11357 de 115 a 145°C, e - um número de defeitos de região 2,1 e 3,1 de 0,01 a 1,2% em mol conforme medido por RMN 13C, a um artigo revestido com a referida composição, a um processo para revestir um artigo com a referida composição e ao uso da referida composição para revestir um artigo.

Propylene composition

A polypropylene (PP) composition comprising a long-chain branched terpolymer of propylene, ethylene and 1-butene (LCB-TER), wherein the composition has a MFR2, determined according to ISO1133, in a range of from 5 to 30 g/10min, a melting temperature Tm in a range of from 100 to 150°C and a crystallization temperature Tc in a range of from 90 to 120°C. A process for producing said PP composition involving a post-reactor treatment. Polymer film comprising said PP composition and a method for producing the same.

Biaxially oriented polypropylene-based multilayer film

Polypropylene-based multilayer film, which is biaxially oriented, a process for manufacturing the biaxially oriented multilayer film and its use in flexible packaging.

Biaxially oriented polypropylene-based multilayer film

Polypropylene-based multilayer film, which is biaxially oriented, a process for manufacturing the biaxially oriented multilayer film and its use in flexible packaging.

Biaxially oriented polypropylene-based multilayer film

Polypropylene-based multilayer film, which is biaxially oriented, a process for manufacturing the biaxially oriented multilayer film and its use in flexible packaging.

Biaxially oriented polypropylene-based multilayer film

Polypropylene-based multilayer film, which is biaxially oriented, a process for manufacturing the biaxially oriented multilayer film and its use in flexible packaging.

Recyclable polymer films and compositions

Provided are multilayer polymer films comprising LLDPE, LDPE and a random propylene-ethylene copolymer which films suitable for packaging applications and are mechanically recyclable, and to recycled polymer compositions formed by mechanically recycling such films. The recycled polymer compositions may be combined with a polypropylene random copolymer and used to form further polymer films suitable for packaging applications

Blown film

The invention relates to a blown film comprising a polypropylene composition comprising an ethylene-propylene copolymer and a polyalkylene glycol-block copolymer.