Abstract: Disclosed herein are multilayer films including at least one layer that comprises and/or is formed from a composition comprising a propylene polymer and a hydrocarbon resin. The films generally further include at least one layer that comprises and/or is made from a composition comprising a propylene-based elastomer and/or a propylene polymer. The multilayer films disclosed herein generally have a low sealing initiation temperature.

Abstract: This invention relates to thermoformable blends of propylene polymer and a tackifying resin and thermoformed articles produced from said blends. The thermoformed articles typically have an advantageous combination of good optical properties, stiffness, and barrier properties. This invention further relates to a method of improving the processability of a propylene based polymer by blending the polymer with a tackifying resin.

Abstract: Disclosed herein is a process to produce a laminate comprises coating at least an outer surface of a dynamically vulcanized alloy film with an adhesive composition to produce the laminate, wherein the adhesive layer has a thickness of less than or equal to about 5 microns, wherein the dynamically vulcanized alloy film comprises a thermoplastic elastomer composition containing a thermoplastic resin as a continuous phase, and a rubber composition dispersed therein, as a dispersed phase. A laminate and a pneumatic tire comprising the laminate are also disclosed.

Abstract: A process for preparing a blend of thermoplastic polymer and resin modifier within a single-screw extruder, wherein the resin modifier is a hydrocarbon resin.

Abstract: Disclosed herein is a process to produce a laminate comprises coating at least an outer surface of a dynamically vulcanized alloy film with an adhesive composition to produce the laminate, wherein the adhesive layer has a thickness of less than or equal to about 5 microns, wherein the dynamically vulcanized alloy film comprises a thermoplastic elastomer composition containing a thermoplastic resin as a continuous phase, and a rubber composition dispersed therein, as a dispersed phase. A laminate and a pneumatic tire comprising the laminate are also disclosed.

Abstract: Described is a multi-layered film comprising a core layer comprising polypropylene; a metalizable skin layer such as a treated HDPE or PETG; and a first tie layer comprising a functionalized polypropylene such as an acid-grafted isotactic polypropylene between the core layer and metalizable skin layer; wherein the metalizable skin layer comprises a polymer having a surface energy (ASTM D2578) of at least 30 dynes/cm, a Young's Modulus (ASTM D790) of at least 1500 MPa, and a melting point (ASTM D3418) of at least 130° C.; and wherein the film as measured on the metalizable skin side has a Haze of less than 1000 Haze Units, and a Gloss of greater than 300 Gloss Units.

Abstract: A process for preparing a blend of thermoplastic polymer and resin modifier within a single-screw extruder, wherein the resin modifier is a hydrocarbon resin.

Abstract: This disclosure is directed to a method of preparing a continuous elastomeric length for a pneumatic innerliner comprising providing a continuous elastomeric length comprising a plasticizer and an elastomer; heating the continuous elastomeric length for a residence time at a temperature no higher than 15° C. above the flash point of the plasticizer; and cooling the length to form a heat-treated continuous elastomeric length having a level of plasticizer less than the level of plasticizer in the continuous elastomeric length. In certain embodiments, the heat-treated continuous elastomeric length or laminate comprising the heat-treated continuous length can be first cut to form a pneumatic innerliner unit, and splicing the pneumatic innerliner unit to itself to form a pneumatic innerliner. The heat-treated continuous elastomeric length or laminate comprising the heat-treated continuous length can be cut into the form of a sleeve to form a pneumatic innerliner sleeve, and the sleeve incorporated into a tire.

Abstract: A heat-shrinkable film. The film comprising at least one layer having at least one propylene-based polymer comprising 60 wt % to 98 wt % propylene derived units and 2 wt % to 40 wt % one or more other alpha olefins, the propylene-based polymer having: a triad tacticity of 70% or more, a heat of fusion of less than 80 J/g, a weight average molecular weight (Mw) as measured by GPC of from 70,000 to 250,000. The layer also comprises at least one thermoplastic resin and at least one hydrocarbon resin.

Abstract: Thermoplastic films particularly suited for use in bags including at least a core layer comprising an ethylene copolymer, wherein the films are subjected to post-quench biaxial orientation are provided. Optionally, the films may have a first skin layer and/or a second skin layer located on each side of the core layer. Embodiments may have the desirable combination of improved puncture toughness and ultimate tensile strength, low manufacturing cost and desirable optical and tactile properties.

Abstract: A heat-shrinkable film. The film comprising at least one layer having at least one propylene-based polymer comprising 60 wt % to 98 wt % propylene derived units and 2 wt % to 40 wt % one or more other alpha olefins, the propylene-based polymer having: a triad tacticity of 70% or more, a heat of fusion of less than 80 J/g, a weight average molecular weight (Mw) as measured by GPC of from 70,000 to 250,000. The layer also comprises at least one thermoplastic resin and at least one hydrocarbon resin.

Abstract: Provided are multi-layered white opaque films composed of at least two skin layers, at least one tie layer, and at least one core layer. The at least two skin layers are each composed of one or more polyolefins. The at least one tie layer is composed of one or more hydrocarbon resins. The at least one core layer is composed of a blend of one or more polyolefins and one or more cavitating agents. The multi-layered white opaque films described herein exhibit improvements in light transmission, stiffness, and water vapor transmission rate. Moreover, these films were found to exhibit improved cavitation as tested by optical gauge and light transmission.

Abstract: Thermoplastic films particularly suited for use in bags including at least a core layer comprising an ethylene copolymer, wherein the films are subjected to post-quench biaxial orientation are provided. Optionally, the films may have a first skin layer and/or a second skin layer located on each side of the core layer. Embodiments may have the desirable combination of improved puncture toughness and ultimate tensile strength, low manufacturing cost and desirable optical and tactile properties.

Abstract: The present invention is directed to a biaxially oriented multi-layer film which comprises: (a) a core layer comprising a syndiotactic propylene homopolymer; and (b) at least one additional layer adjacent to the core layer comprising a polymer which is an ethylene or a propylene homopolymer, ethylene copolymer or terpolymer containing comonomers of propylene and/or butene-1. Optionally, there can be a skin layer applied to the exposed surface of the outer layer. The skin layer and/or the at least one additional layer is a polyolefin selected from the group consisting of isotactic polypropylene, polyethylene, ethylene-propylene random copolymer, ethylene-propylene block copolymer or ethylene-propylene-butene-1 terpolymer.

Abstract: A multilayer white opaque plastic film, heat-sealable on one or two sides, suitable for packaging uses. The multilayer film includes a cavitated core layer of polypropylene, a top intermediate tie-layer of polypropylene with interspersed titanium dioxide, a bottom intermediate tie-layer of polypropylene, a top and a bottom skin layer. The top skin layer is formed from a polylefin terpolymer or polypropylene. The top skin layer may include silicon dioxide and an antiblock agent, and optionally may be corona treated. The bottom skin layer is formed from a polylefin terpolymer, and may also include silicon dioxide and one or more antiblock or slip agents.

Abstract: The present invention is directed to a biaxially oriented multi-layer film which comprises: (a) a core layer comprising a syndiotactic propylene homopolymer; and (b) at least one additional layer adjacent to the core layer comprising a polymer which is an ethylene or a propylene homopolymer, ethylene copolymer or terpolymer containing comonomers of propylene and/or butene-1. Optionally, there can be a skin layer applied to the exposed surface of the outer layer. The skin layer and/or the at least one additional layer is a polyolefin selected from the group consisting of isotactic polypropylene, polyethylene, ethylene-propylene random copolymer, ethylene-propylene block copolymer or ethylene-propylene -butene-1 terpolymer.

Abstract: An oriented multilayer film comprises: (a) a base layer containing a thermoplastic polymer; (b) at least one tie layer; and (c) at least one outer layer containing a metallocene catalyzed polyethylene chosen for its performance as an adhesion layer and having improved processability. The multilayer films are useful for various end uses including printing, metallization, adhesive lamination, and cold sealing.

Abstract: An oriented multilayer film comprises:

Abstract: The present invention is directed to a biaxially oriented multi-layer film which comprises: (a) a core layer comprising a syndiotactic propylene homopolymer; and (b) at least one additional layer adjacent to the core layer comprising a polymer which is an ethylene or a propylene homopolymer, ethylene copolymer or terpolymer containing comonomers of propylene and/or butene-1. Optionally, there can be a skin layer applied to the exposed surface of the outer layer. The skin layer and/or the at least one additional layer is a polyolefin selected from the group consisting of isotactic polypropylene, polyethylene, ethylene-propylene random copolymer, ethylene-propylene block copolymer or ethylene-propylene-butene-1 terpolymer.

Abstract: A multi layer film having enhanced barrier properties with respect to oxygen and water vapor transmission as well as an excellent surface for film laminating, printing and coating processes is provided. The multi layer film includes a polyolefin core layer having a wax therein, a first surface layer including a polyolefin copolymer or terpolymer layer, and a second surface layer including a polar layer having ester functionality. Multi layer films according to the present invention are particularly useful as packaging films for food products, and are particularly well suited for subsequent laminating, printing or coating operations.