Abstract: A multilayer film structure including a base layer containing a film-forming thermoplastic polymer and a heat-seal layer containing a metallocene-catalyzed propylene copolymer, wherein the copolymer contains from 80 to 99.5 wt % of propylene and from 0.5 to 20 wt % of an &agr;-olefin, based on the entire weight of the copolymer. Multilayer film structures according to the present invention exhibit excellent hot tack characteristics. In addition, film structures according to the invention allow for higher production rates of packages on both vertical and horizontal form-and-fill sealing equipment because the film need not be heated to as great a temperature to make a strong seal.

Abstract: The present invention relates to articles comprising elements at least partially coated with polymeric material wherein the structure of the polymeric material contains elastic amorphous areas of nano-scale-size reinforced with self arranged crystalline domains of nano-crystals. An article, comprising an element and a polymeric coating material covering at least portion of the surface of said element characterized in that said coating material comprises a polyolefinic homopolymer having an isotacticity of less than 60% of mmmm pentad concentration, is claimed.

Abstract: Multilayer heat-shrinkable films in which the skin layers A consist of a polyolefin selected from: A1) a composition containing 25-45% b.w. of a random copolymer of propylene with ethylene and 55-75% b.w. of a random terpolymer of propylene, ethylene and one or more C4-C10 alpha-olefins; and A2) random copolymer(s) of propylene and one or more C4-C10 alpha-olefins. Core layer B comprises a heterophasic composition comprising: a) 20-60% b.w. of a propylene homopolymer with an isotacticity index higher than 80 or of a propylene crystalline copolymer with ethylene and/or C4-C10 alpha-olefins containing at least 85% b.w. of propylene units and having an isotacticity index of at least 80 or of mixtures thereof and b) 40-80% b.w. of an ethylene copolymer with propylene and/or 1-butene and possibly a diene, containing 20-60% b.w. of ethylene units and completely soluble in xylene at 25° C.

Abstract: A polymer with a hemocompatible film or coating is manufactured by a one-step method comprising polymerizing monomer droplets comprising at least one crosslinking agent to form a polymer and simultaneously coating the resulting polymer using at least one dispersing agent to thereby form a hemocompatible coated polymer.

Abstract: A laminate structure having at least one layer of an ionomer resin (a) and at least one layer of an acid polymer or a blend of an acid polymer and a thermoplastic polyolefin (b) that can be thermoformed to form a shaped article and additional polyolefin substrate can be provided. The laminate can be pigmented to eliminate the need to paint the surface of the plastic substrate. The laminate is useful in the production of automotive parts and sports equipment.

Abstract: A polymer system with a hemocompatible film or coating is provided, the system comprises an organic phase and an aqueous phase, the organic phase comprises polymerizable monomers and at least one initiator and the aqueous phase comprises at least one dispersing agent, at least one free radical inhibitor and at least one buffering agent, the organic phase is immiscible in the aqueous phase, and the dispersing agent forms a hemocompatible surface on the polymer.

Abstract: The present invention provides a wrap film or shrink film formed from a resin composition containing [I] a propylene polymer in an amount of 1 to 99 mass %, and [II] an olefin-based polymer in an amount of 99 to 1 mass %, wherein [I] the propylene polymer satisfies the following requirements of: (1) a meso pentad fraction (mmmm) is 0.2 to 0.6, and (2) a racemic pentad fraction (rrrr) and (1−mmmm) satisfy the following relation: [rrrr/(1−mmmm)]≦0.1. The wrap film or shrink film exhibits excellent characteristics, and does not generate a toxic gas derived from chlorine, such as hydrogen chloride gas or dioxin, when being incinerated.

Abstract: The present invention is relating to a transparent sheet or film which is good in productivity, high in transparency, excellent in antistatic property and reflection preventing property, high in hardness, and excellent in scratch resistance and solvent resistance. A transparent sheet or film of the present invention is a sheet or film having on one surface of a transparent support, a first electroconductive transparent layer comprising a cured layer of a resin containing fine particles of electroconductive zinc antimonate anhydride, and a second electroconductive transparent layer formed on the first layer, of which a refractive index is lower than that of the first layer.

Abstract: Multilayer metallized polyolefin film structures having improved barrier properties and reduced water vapor transmission and oxygen transmission properties are provided. The film structures include a polyolefin substrate having a first and second side, a metal layer adjacent to the first side of the substrate and substantially coextensive therewith and a coating layer adjacent to the metal layer and substantially coextensive therewith. The coating layer includes a coating selected from the group consisting of polyvinylidene chloride, polyvinyl alcohol and acrylic coating.

Abstract: A laminate of aramid nonwoven sheet and polyester resin having an overall thickness of 5 to 25 mils (0.13 to 6.4 mm) and having an elongation at break of at least 40% in both the cross and machine direction and an average tear load in excess of 1.5 pounds-force (6.7 newtons) in both the cross and machine directions.

Abstract: A heat-shrinkable polyolefin-base film comprising a polypropylene-base resin, a petroleum resin in total and a cyclic polyolefin having a glass transition temperature not lower than 90° C. and lower than 140° C., and a multilayer heat-shrinkable film comprising a base layer which comprises a polypropylene-base resin, a petroleum resin in total and a cyclic polyolefin, and at least one outer layer which comprises a styrene resin and a polyolefin resin.

Abstract: A method for improving the fire resistant qualities of polyethylene and high density polyethylene including the steps of (a) applying to a solid polyethylene substrate, a liquid composition including effective amounts of a monomer, prepolymer, a graft initiator, a catalyst and a polymerization promoter, under conditions effective to promote grafting of the monomer or prepolymer to the solid polyethylene substrate to form a coating on the substrate, (b) applying fiberglass on top of the coated substrate, (c) applying additional liquid composition of the type described in step (a) on top of the layer of fiberglass applied in step (b), and (d) curing the applied composition. The invention also relates to a polyethylene substrate manufactured according to the method.

Abstract: Multilayer polymer structures comprising a layer (A) based on at least one halohydrocarbon polymer linked to a layer (C) based on at least one olefin polymer via a layer (B) containing from 100% to 10% by weight of at least one grafted olefin polymer and from 0 to 90% by weight of at least one halohydrocarbon polymer, the grafted olefin polymer being obtained by grafting a polymerizable monomer, a functional oligomer or a functional telomer onto a preactivated olefin polymer; process for obtaining them and use thereof.

Abstract: A metallized, multilayer film suitable for packaging applications is provided which comprises a first skin layer comprising a thermoplastic selected from the group consisting of high density polyethylene, ethylene vinyl alcohol copolymer, medium density polyethylene, linear low density polyethylene, ethylene-propylene-butylene terpolymer, propylene-butylene copolymer, and amorphous polyamide, a metallized layer adjacent to the first skin layer, and a core layer comprising high crystallinity polypropylene homopolymer with an intermolecular stereoregularity greater than 93%. Additionally, low density polyethylene, EMA, EVA, or EAA may be extrusion laminated to the metallized side of the metallized, multilayer film at a web tension sufficient to prevent metal crazing of the vacuum deposited aluminum layer. A method for making the film is also provided.

Abstract: A film comprising at least three layers, whereby the inner layer contains polyolefins and/or olefin co-polymers and, on both sides of the inner layer at least one further layer is provided containing a mixture of styrol-butadiene-styrol block co-polymers with styrol homo-polymers, a method for production thereof and the use thereof as a packaging film, in particular a twist-wrapping film.

Abstract: A sealable film is used for the production of tear-open packages. The film, as a monofilm, in total, or as a multi-layer laminate film, produced by means of coextrusion, has at least in one layer a polymer mixture of a cycloolefin copolymer (COC) and polyolefin or an ethylene copolymer, whereby the COC portion in the polymer mixture is 10 to 80 wt.-%, the remainder polyolefin or ethylene copolymer. Packages produced from such films demonstrate balanced tear start and tear propagation properties in the crosswise and lengthwise direction of the film.

Abstract: Multilayer structure based on thermoplastic polymers which is substantially devoid of vinyl chloride polymers and of plasticizers of low molecular mass and which comprises at least 3 layers: a first layer (A) comprising at least 60% by weight of at least one polyolefin of controllable crystallinity defined as comprising at least 90% of ethylene, of propylene or of butene and as having a softening temperature of less than 121° C., the thickness of the first layer being at least 20% of the total thickness of the structure and the first layer having a modulus of elasticity of less than 350 MPa; a second layer (B), positioned between the first layer (A) and the third layer (C), comprising at least 40% by weight of at least one polyolefin of controllable crystallinity, the second layer having an overall softening temperature of less than 121° C.

Abstract: To provide an image-receiving sheet for electrophotography that suppresses blocking, allows toner images to fix satisfactorily, has excellent glossiness and reduced brittleness and can form high-quality images and to provide a process for image formation using the image-receiving sheet for electrophotography, an image-receiving sheet for electrophotography includes a substrate containing a base and a resin layer arranged on at least one side of the base; and at least one toner-image-receiving layer arranged on the resin layer of the substrate. The resin layer arranged between the toner-image-receiving layer and the base includes a polyethylene resin having a mass-average density of 0.935 g/cm3 or less and/or a melt flow rate MFR of 11 g/10 min. or less. In addition, an image-receiving sheet for electrophotography including a support and at least one toner-image-receiving layer over the support, the toner-image-receiving layer including a polyolefin resin.

Abstract: A high refractive index layer of a cured first coating composition comprising (A) metal oxide fine particles selected from among titanium oxide, aluminum oxide, zirconium oxide, cerium oxide, iron oxide, tin oxide, and compound oxides thereof and (B) a compound having an acrylic, methacrylic, vinyl or styryl group, and a low refractive index layer of a cured second coating composition comprising (D) voided silica-base inorganic oxide fine particles and (C) a compound having at least two epoxy and/or oxetane groups are successively stacked on a substrate to form an antireflection film.

Abstract: A generally transparent flexible packaging structure having an anti-transfer layer which, in a closed and sealed package, is at or close to an interior surface of the package. A contained food product in the package has a tendency to deposit a food product component on the interior surface of the packaging material and to thereby have a visually obscuring affect on transparency of the packaging structure. Anti-transfer material in the anti-transfer layer migrates to the interior surface of the package and interacts with the visually-obscuring component of the contained food product, thereby to attenuate or eliminate the visually obscuring effect of such component. Preferred primary polymer in the anti-transfer layer is EVA. Preferred anti-transfer materials include fatty acid esters and other amines and derivatives. The invention includes certain aspects of multiple layer packaging structures, closed and sealed packages, and methods of packaging food product.

Abstract: An oriented multilayer film containing a core layer and a first skin layer, wherein the first skin layer includes a metallocene-catalyzed propylene homopolymer or copolymer, and the first skin layer is metallized. The film may also contain additional layers, such as a second skin layer for heat-sealing, and one or more tie layers. The film may be laminated to other films or non-films. The film exhibits excellent water vapor transmission rates (WVTR) and oxygen transmission rates (OTR).

Abstract: A large width single-ply heat-weldable roof membrane. The roof membrane includes at least two sheets of a thermoplastic polyolefin and one fold strip of a thermoplastic elastomer. The sheets have side edges. The fold strip is bonded to the sheets to join the sheets and form the large width single-ply roof membrane. The thermoplastic elastomer consists of a highly cross-linked rubbery polymer and a thermoplastic polymer.

Abstract: A packaging film includes a heat sealable layer coated with one or more antifogging agents disposed in a binder, an antiblocking agent, and no more than about 800 ppm slip agent. The heat sealable layer includes a polymer that includes mer units derived from ethylene while the binder includes a polymer that includes mer units derived from an ester of (meth)acrylic acid and/or vinyl acetate monomers. The antiblocking agent can be in any layer of the film where it provides the desired effect. Such a film, as well as packages made therefrom, can be used to package a variety of products, having particular utility with respect to moist products.

Abstract: The invention relates to heat shrinkage films having polyvinylidene chloride methyl acrylate blend as a barrier layer. Specifically, this invention relates to film structures having a first barrier layer comprising polyvinylidene chloride methyl acrylate blend wherein said barrier layer has two opposing surfaces; a second layer adhered to one of the surfaces of the first barrier layer comprising ethylene vinyl acetate copolymer blend; a third layer adhered to the other surface of the first barrier layer comprising an ethylene vinyl acetate copolymer blend; a fourth layer adhered to one of said second or said third layer comprising an ethylene acetate copolymer blend wherein the melt indexes of said blends of said second, third and fourth layers are the same; a fifth layer adhered to the other of said second or third layer comprising a blend of linear low density polyethylene and low density polyethylene. Said film structures have usefulness as shrink bags.

Abstract: The laminate of the invention comprises a sliding member of a resin composition and a Substrate layer of a thermoplastic olefin elastomer (A), and is obtained by co-extruding: the resin composition which is obtained by melt kneading a thermoplastic olefin elastomer (A), an ultra-high-molecular weight polyolefin (except a powder thereof having a particle diameter of 1 to 100 &mgr;m) having an intrinsic viscosity, as measured in a decalin solvent at 135° C., of 1 to 40 dl/g, an inorganic or organic filler powder, and optionally, a polyolefin resin, an organopolysiloxane, a fatty acid amide and a fluororubber in a twin-screw extruder, and the thermoplastic olefin elastomer (A). The laminate has excellent sliding properties with window glass and excellent abrasion resistance. Moreover, the laminate can be produced by a simple process because it requires no adhesive, and the laminate has great bonding strength between the substrate layer and the sliding member layer.

Abstract: A sealable film comprising a core layer comprising an olefin polymer wherein the core layer comprises the interior of the film; a separable layer exterior to the core layer, wherein the separable layer comprises a material or blend selected from the group consisting of impact copolymers; thermoplastic polyolefins; blends of impact copolymers and LLDPE's; blends of two or more incompatible polymers; and mixtures thereof; an optic improving layer exterior to the core layer and the separable layer, wherein the optic improving layer comprises a polymer having at least one of modulus, hardness, and/or beam strength being higher than the material of the separable layer; and a sealing layer exterior to the core layer, the separable layer, and the optic improving layer, wherein the sealing layer comprises a polymer.

Abstract: A film and method for fastening cargo during transportation wherein the film has a percentage strain change 100 hours after applying a load of 3.5 MPa at a temperature of 23° C. of not more than 2.0%, and a percentage strain change 100 hours after applying a load of 0.5 MPa at a temperature of 55° C. of not more than 2.5%. Moreover, it is preferable for the elastic modulus at a temperature of 23° C. to be not more than 60 MPa, and the elastic modulus at a temperature of 55° C. to be not more than 20 MPa. Such a film can be formed from substantially random interpolymer(s) each comprising 1 to 99 mol % of polymer units derived from an aromatic vinyl or vinylidene monomer and/or a hindered aliphatic or cycloaliphatic vinyl or vinylidene monomer, and 1 to 99 mol % of polymer units derived from at least one &agr;-olefin having 2 to 20 carbon atoms.

Abstract: Films containing a sealant layer composition comprising:

Abstract: Disclosed is a matte biaxially oriented polypropylene film having improved matte characteristic and processability. The film comprises one or more surface layers made of a composition comprising 100 parts by weight of a resin blend of 40-60 wt % of polyethylene (I) and 60-40 wt % of polypropylene (II), 0.005-0.04 parts by weight of a peroxide (III) and 0.1-0.5 parts by weight of a fluoroelastomer or a metal stearate (IV). The matte biaxially oriented film has low gloss (45°, <10%) and high haze (>70%), and solves problems related to increase of silver (or bright) spots and roughness of a matte pattern, and a shortened die cleaning cycle due to die build-up.

Abstract: A multilayer film has a core layer, such as a biaxially oriented polypropylene layer, and an adhesion promoting layer formed from a graft copolymer of syndiotactic polypropylene and a monomer, such as maleic anhydride, which has hydrophilic functionality. The adhesion promoting layer may be metallized to provide a barrier to oxygen and water vapor. The adhesion promoting layer may also render the surface of the film more receptive to printing inks, laminating adhesives, primeness overcoats and the like.

Abstract: The present invention relates to a matte surface film comprising: (a) a base layer comprising a polyolefin; and (b) a matte surface layer comprising a blend of a non-hydrocarbon polymer with at least one incompatible polyolefin, wherein said non-hydrocarbon polymer includes monomeric units with polar functional groups. The film may be used for packaging and label applications.

Abstract: One object of the present invention is to provide a polyethylene-base resin laminate having excellent properties in the transparency, blocking resistance, flexibility and the like, exhibiting heat resistance high enough to withstand a sterilization at 121° C.

Abstract: A multilayer packaging film, package and process for aseptic packaging applications. The multilayer packaging film includes (a) an inner sealant layer comprising a olefin polymer having a Vicat Softening Point greater than 90° C.; (b) an oxygen barrier layer; and (c) an outer layer comprising a polymeric layer selected from olefin polymers and polyester homopolymers or copolymers having a silicone or other hydrogen peroxide resistant exterior coating, said outer layer having a Vicat Softening Point greater than 90° C.; wherein said multilayer packaging film is irradiated at a dosage in an amount sufficient to kill microorganisms entrapped between layers of said film.

Abstract: A multilayer composite contains a gel coat layer, a laminate layer, and a barrier layer disposed between the gel coat and the laminate layer. The laminate contains from 40-80% by weight paste and from 20-60% by weight reinforcing fibers. The barrier coat also comprises a cured polyester resin, and contains reinforcing fibers shorter than those in the laminate layer. The barrier layer has sufficient flexibility to avoid cracking during demolding and handling. Preferably, the barrier layer exhibits an elongation at break of more than 1%, and more preferably about 2% or more. The resin of the barrier layer can contain up to about 25% by weight of the resin of an isophthalic acid based polyester resin. The composites can be made using an open tool molding process.

Abstract: A curing low dielectric loss tangent film using a low dielectric loss tangent composition containing a polyfunctional styrene compound having excellent dielectric characteristics, and a wiring film using the same as an insulating layer are provided.

Abstract: Paper and/or mat-faced gypsum board is prepared by applying a relatively thin coating of aqueous gypsum slurry containing a polyvinyl alcohol binder to one or two facer sheets. The polyvinyl alcohol binder provides adequate adhesion between the set gypsum core and the adjacent facer sheet(s) without the need for starch or other conventional binders. In one embodiment, polyvinyl alcohol is concentrated in one or more regions of the core adjacent to the facer sheet(s). In another embodiment, polyvinyl alcohol is applied to an aqueous gypsum slurry used to form the bulk core, such that the polyvinyl alcohol is present throughout the core.

Abstract: One aspect of the invention relates to a new dual-layered construction that provides advantageous oxygen barrier properties. Another aspect of the invention is a multilayer film that has advantageous oxygen and/or moisture barrier properties. The film may be fully-organic. The film may also be primarily water-based. At least some embodiments of the film can be produced using wide-web, roll-to-roll processing. Specific example applications for uses of the film include dried food, pharmaceuticals, liquids, lidstock, cheese, meat, health & beauty, and coffee packaging, among many others. Another aspect of the invention is a water-based, fast curing coating composition that provides a high barrier against oxygen and moisture permeation. In one embodiment, the coating comprises special PVDC copolymer compositions with good oxygen barrier (OTR<1 cc/m2 day) and high moisture barrier (MVTR<0.5 g/m2 day). As one example, the coating may be used to produce a flexible, high clarity, barrier film for packaging.

Abstract: A process for the production of mono- and multi-layer polymer shrink-films, wherein the composition does not include polymer cross-linking enhancers. A photoinitiator is added to a polymeric composition of which at least one layer is made, and the material is illuminated, after extrusion but before orientation, with ultraviolet radiation, to induce cross-linking within the layer or layers of the film. The amount of the photoinitiator, and the intensity and duration of the illumination are determined to provide a degree of cross-linking sufficient to create a desired change in the physical properties of the film.

Abstract: The interlayer insulating film of this invention is composed of a polymer in which a first monomer having a substituted acetylenyl group and polymerizable in the three-dimensional direction and a second monomer having a substituted cyclopentanonyl group and polymerizable in the two-dimensional direction are three-dimensionally polymerized.

Abstract: A light-permeable, IR-reflecting body which contains a stiff, amorphous base material comprised of light-permeable plastic and IR-reflecting particles which are oriented parallel to the surface, said light-permeable IR-reflecting body having a transmissivity (T) in the visible range of 45-75%, an overall energy permeability (g) of 30-60%, and a T/g ratio of >1.15, and the IR-reflecting particles oriented parallel to the surface are disposed in a coating layer comprised of a transparent water-insoluble binder, which layer is 5-40 micron thick and adheres to the base material, wherewith red-reflecting particles with a layer of titanium dioxide 60-120 nm thick on a platelet-shaped carrier pigment are present in the aforesaid coating layer in the amount of 20-40 wt. % of said coating layer.

Abstract: The invention relates to the use of a biaxially oriented polyolefin film as a label film. The inventive film consists of a base layer and at least one cover layer. Said cover layer contains as the main component a copolymer or terpolymer consisting of one alkene and unsaturated carboxylic acids or the esters thereof and low amounts of an additive. The cover layer is characterized by excellent and divers adhesion to various polymer materials from which containers are formed. It is no longer necessary to apply adhesives, primers, coatings etc. in a separate step after production of the film.

Abstract: A high density polyethylene (HDPE) film is provided having high-biaxial orieniation. The film includes HDPE having a density of at least about 0.940, and a melt index of from about 0.5 to about 10. The film is stretched in the machine (longitudinal) direction to a degree of from about 5:1 to about 8:1, preferably from about 6:1 to about 7:1. The film is also stretched in the transverse (lateral) direction to a degree of from about 6:1 to about 15:1, preferably from about 9:1 to about 13:1. Preferably, the film has an orientation imbalance, with a higher degree of transverse orientation than machine orientation. Skin layers such as heat seal layers can be provided. Preferably, the film contains one or more layers of a casting promoter material employed to promote casting of a high gauge HDPE sheet subsequently high biaxially oriented to provide the film. The film can also be cavitated, or otherwise modified (e.g., corona-treated, coated, metallized, etc.) to provide films suitable for special applications.

Abstract: Disclosed is a stretched resin film comprising a layer (A) stretched in at least one axial direction and comprising 0 to 98 wt % of a polyolefinic resin, 2 wt % or more and less than 100 wt % of an amorphous resin and more than 0 wt % and 70 wt % or less of an inorganic finepowder and/or an organic filler. The stretched resin film of the present invention is resistant to becoming waved when offset-printed with widely-used, quick-drying offset printing inks, and thus has excellent printing properties.

Abstract: A multi-layered polymeric film comprising a core layer comprising a polyolefin, and a first skin layer comprising a low melting point polyolefin and a matte producing agent, and a method for producing same.

Abstract: The invention relates to an elastic, substantially non-stretched film produced from olefinic materials that is completely free of PVC and that is yet adapted to the requirements of a film, such as a film for medical purposes, for example for heat sterilization. The inventive film has elastic properties up to a certain point that depend on the film's thickness, that means no permanent deformation can be observed. When the tensile stress is further increased, the film is deformed, that is it shows a plastic behavior until it finally tears or breaks. The transition is fluid since, unlike conventional films, the inventive film has no negative increase in the yield point. The increase in the yield point is ≧0. The invention further relates to the use of the inventive films, for example in the field of medical engineering, and to bags for medical purposes that comprise at least one film according to the invention.

Abstract: An engraving sheet includes a support layer fabricated of biaxially oriented high-density polypropylene, and an engraving layer formed on the support layer and having an opacity of 40%. The engraving sheet is engraved from the engraving layer down to the support layer. The support layer is lower in opacity than the engraving layer with a difference of 20% or more between the opacity of the support layer and the opacity of the engraving layer. The engraving sheet allows a desired pattern, a photograph of the face of an individual, or the like to be engraved thereon, and presents a finger touch similar to that of paper, and is hard to be torn even after it is bound by a sewing machine or a stapler.

Abstract: A lap sealable film for forming bags on conventional vertical form/fill/seal equipment containing a seal layer and a barrier layer. The seal layer and barrier layer form opposing surfaces of the film. The seal layer contains single site catalyzed polyethylene and is capable of sealing to the barrier layer. The barrier layer comprises a heat resistant and moisture barrier material, such as high density polyethylene or polypropylene.

Abstract: A security substrate for a document of value comprises a laminate including a generally transparent core layer and generally transparent outer layers on opposite sides of the core layer. At least one interference filter is embedded within the laminate. The interference filter includes a highly reflective opaque layer on a surface of the core layer and an optically variable thin film multilayer overlying at least a portion of the opaque layer. The interference filter is covered by one of the outer layers.

Abstract: The coloring problem of a conventional molded article is overcome while retaining the advantages of high strength and high flame retardancy of the molded article when a metal hydroxide is used in combination with red phosphorus and carbon powder in the method of imparting a synthetic resin with flame retardancy. The molded article can be colored in any color and exhibits decreased lowering of electric insulation resistance when submerged. The molded article comprises a base material colored from dark red to black containing 100 wt parts synthetic resin, 5-200 wt parts metal hydroxide, 1-30 wt parts red phosphorus and 0.1-30 wt parts carbon powder; and a skin layer laminated thereon masking a colored surface of the base wherein the skin layer contains 100 wt parts, 0-100 wt parts pigment, and 0-200 wt parts metal hydroxide, provided that the total amount of pigment and metal hydroxide in the skin layer is at least 0.001 wt parts.

Abstract: The present invention provides for improved polyolefin cling/slip stretch wrap films having superior load retention, elongation, tear resistance and puncture resistance properties and for the methods of using those stretch wrap films. The stretch wrap films are preferably constructed in a multilayer fashion having an outside cling layer, an outside slip layer, at least one inside puncture resistant layer comprising a metallocene-catalyzed polyethylene resin, and at least one inside transverse direction tear resistant layer.