Abstract: A hot melt adhesive composition that includes a non functionalized amorphous poly alpha olefin polymer, a second polymer selected from the group including polypropylene homopolymers, polypropylene copolymers and combinations there of, a functionalized wax and a second wax.

Abstract: In the past, it was difficult to fix an adherend sufficiently during polishing processing and to peel off the adherend conveniently. Provided is a non-reactive temporary fixing composition for plane polishing having a shear strength of not less than 0.05 MPa and a peeling strength of less than 100 N.

Abstract: This invention pertains to polyethylene extrusion compositions. In particular, the invention pertains to ethylene polymer extrusion compositions having high drawdown and substantially reduced neck-in. The compositions comprise from 40 to 90% by weight of the composition of a first polyethylene composition, said first polyethylene composition comprising a linear low density polyethylene having a density in the range of from 0.90 to 0.96 g/cm3, and a melt index (I2) of from 5 to 15 g/10 min; and from 1 to 10% by weight of the composition of a second polyethylene composition, said second polyethylene composition comprising a high pressure low density polyethylene having a density in the range of from 0.915 to 0.930 g/cm3, and a melt index of from 0.1 to 3 g/10 min; and from 10 to 50% by weight of the composition of a third polyethylene composition, said third polyethylene composition comprising a high pressure low density polyethylene having a density in the range of from 0.915 to 0.

Abstract: Pneumatic rubber tire intended for heavy duty service having a cap/base configured tread with a silica-containing specialized cis 1,4-polybutadiene rubber-rich tread cap rubber layer.

Abstract: The present invention concerns a glass fiber reinforced polypropylene composition as well as articles formed from this composition, wherein the composition, comprises a) More than 15-wt % glass fibers, and b) a specific heterophasic polypropylene composition with an at least bimodal disperse phase.

Abstract: The present disclosure describes a polypropylene resin composition useful for the preparation of buried structures such as corrugated, non-pressure pipe.

Abstract: Filled polyolefin compositions comprising: A) from 20% to 80% by weight of a polypropylene component; B) from 20% to 80% by weight of a filler; wherein the percentages of A) and B) are referred to the sum of A) and B), and A) is selected from the following compositions: a) a polypropylene composition containing from 20% to 80% by weight of a polypropylene fraction AI) having a Melt Flow Rate value of 500 g/10 min. or more, and from 20% to 80% by weight of a polypropylene fraction AII) having a Melt Flow Rate value of from 0.1 to 30 g/10 min., the said percentages of AI) and AII) being referred to the sum of AI) and AII); or b) a polypropylene composition containing from 15% to 72% by weight of a polypropylene fraction AI) having a Melt Flow Rate value of 500 g/10 min. or more, from 15% to 70% by weight of a polypropylene fraction AII) having a Melt Flow Rate value of from 0.1 to 30 g/10 min. and from 0.

Abstract: A feedstock concentrate material, including a first phase including fibers having a length greater than 5 mm; and a polymeric phase including a first polyolefin having a first melt flow rate; and a second polyolefin having a second melt flow rate. Kits, methods of using and resulting articles including the concentrate are also disclosed.

Abstract: Polypropylene composition comprising a propylene homopolymer (A) and a random propylene-butene copolymer (B) or a random propylene-ethylene copolymer (B?) wherein the polypropylene composition is ?-nucleated.

Abstract: Provided is a resin composition for coating, including: 35-65 wt % of a high-molecular weight polypropylene resin (A) having a weight average molecular weight of 100,000-300,000 and an isotactic chain molar fraction, L, of 0.30-0.70; 30-60 wt % of a low-molecular weight polypropylene resin (B) having a weight average molecular weight of 10,000-50,000 and an isotactic chain molar fraction, L, of 0.30-0.70; and 0.1-5.0 wt % of a highly crystalline, low-molecular weight polypropylene resin (C) having a weight average molecular weight of 5,000-50,000 and an isotactic chain molar fraction, L, of 0.70-0.75. The polypropylene resin composition for coating is amenable to spray coating while avoiding a need for a complicated process such as discharge treatment, flame treatment or acid treatment of a polypropylene substrate, in the absence of chlorine, and is effective for forming a coating film having excellent scratch resistance and adhesive property and showing no tagging property.

Abstract: Filled, thermoplastic polyolefin (TPO) compositions having a total energy absorption during impact at ?30° C. of at least 20 ft-lb-f as measured by an Instrumented Dart Impact Test (ASTM D3763) at 6.7 m/s and a peak tangent flexural modulus of>2100 MPa (305,000 psi as measured by ASTM D-790, the composition comprising based on the total weight of the TPO composition; A) 36-56 wt % of a crystalline polypropylene having a MFR of at least 1 and a melting point of at least 160° C. as measured by DSC; and B) 64-44 wt % of an elastomer/filler composition comprising (1) an EAO elastomer having a (1) Tg of less than ?50° C. as measured by DSC, (b) tan delta between >2 and 3 as measured at 0.1 rad/s and 190° C. with an Advanced Rheometrie Expansion Systems rheometer. and (c) HDT greater than or equal to the peak melting temperature of the elastomer as measured by DSC, and (2) a platy filler, e.g.

Abstract: This invention provides a pellet derived from recycled waste products in particular from a mixture of two or more of cellulose fibers, recyclable plastic, glass and ceramics and other recyclable products such as tetra paks. The pellets can be used to make a variety of extruded or injection molded products including household trim and moldings, decking, shutters, etc.

Abstract: An environmentally-friendly ceramic-plastic composite and the preparation method thereof. The composite comprises: thermoplastics, bamboo or wood flour, plasticizer, inner and outer lubricant, crosslinking modifier, filling agent, flame retardant, pigment and ash raw material.

Abstract: The present invention also discloses a heterogeneous blend composition comprising; a) from 1% to 99% by weight of the blend of a first polymer component comprising a copolymer of 5% to 35% by weight of the first polymer component consisting predominantly of alpha olefin derived units and 65% to 95% by weight of the first polymer component of propylene derived units having a crystallinity of 0.1% to about 25% from isotactic polypropylene sequences, a melting point of from 45° C. to 105° C., and wherein the Melt Flow Rate (MFR@230° C.) of the first polymer component is between 300 g/10 min to 5000 g/10 min b) from 1% to 99% by weight of the blend of a second polymer component comprising isotactic polypropylene and random copolymers of isotactic propylene, wherein the percentage of the copolymerized alpha-olefin in the copolymer is between 0.0% and 9% by weight of the second polymer component and wherein the second polymer component has a melting point greater than about 110° C.

Abstract: Disclosed is a propylene resin composition from which a molded article maintaining mechanical properties of conventional molded articles and being superior in scratch can be produced, the composition including from 60% by mass to 99% by mass of a propylene resin (A), from 1% by mass to 40% by mass of a filler (B1) having a pH of from 9 to 14, and from 0.01 parts by mass to 5 parts by mass, relative to 100 parts by mass of the (A) and the (B1) in total, of a modified olefin resin (C1) obtained by reacting an olefin resin, an acidic compound having at least one unsaturated bond and at least one kind of polar group and having a pH of higher than 0 and up to 4, and an organic peroxide.

Abstract: The present invention relates to a plate made of a thermoplastic material including two planar outer sheets and one thermoformed central sheet having bosses on at least one surface, which is bonded to both planar sheets, the plate incorporating a dyeing agent in a sufficient quantity so as to render the plate opaque. The plate is characterized in that the dyeing agent is incorporated into 80 to 100% of both planar outer sheets, wherein both outer sheets are opaque, and at most, incorporated into 20% of the thermoformed central sheet, wherein the center sheet is translucent. The plate of the invention can be used as a printing substrate.

Abstract: Fiber reinforced composition comprising a heterophasic propylene copolymer, a propylene homopolymer and/or a propylene copolymer, and fibers, wherein the propylene copolymer comprises not more than 2.0 wt.-% C2 to C10 ?-olefins other than propylene, the propylene homopolymer and the propylene copolymer have a melt flow rate MFR2 (230° C.) of at least 500 g/10 min, and the composition has a melt flow rate MFR2 (230° C.) of at least 10 g/10 min.

Abstract: Methods of improving polyethylene stretch film that include providing interpolymer resin particles, forming a polyethylene blend composition by blending from about 0.1 to about 10 percent by weight based on the weight of the blend composition of interpolymer resin particles into one or more polyethylene resins; and forming a film from the polyethylene blend composition. The interpolymer resin particles contain a styrenic polymer intercalated within a first polyolefin, where the first polyolefin is present at from about 20% to about 80% by weight based on the weight of the particles, and the styrenic polymer is present at from about 20% to about 80% by weight based on the weight of the particles.

Abstract: A film containing a polymer composition that includes from 0.1 to 60% by weight of interpolymer resin particles containing a styrenic polymer intercalated within a first polyolefin and from 40 to 99.9% by weight of at least one second polyolefin. The first polyolefin is present at from 20% to 80% by weight based on the weight of the particles, has a VICAT softening temperature greater than 60° C. and a melt index of from 0.3 to 15 g/10 minutes (Condition I, 190° C., 2.16 kg). The styrenic polymer is present at from 20% to 80% by weight based on the weight of the particles. The interpolymer resin particles have a gel content ranging from 0 to 5% by weight based on the weight of said interpolymer resin particles, a VICAT softening temperature ranging from 85° C. to 115° C., and a melt index value ranging from 0.1 to 6.0 (Condition I).

Abstract: A novel polyethylene formed by Ziegler catalyst is devised, for use in blow moulding.

Abstract: Disclosed is a pellicle having a mask adhesive layer having appropriate softness, having a small adhesive residue after being peeled off from a mask, and having good handling characteristics; and a pellicle for preventing position deviation of patterns, in particular in double patterning. The pellicle of the present invention includes a pellicle frame, a pellicle membrane disposed on one end surface of the pellicle frame, and a mask adhesive layer disposed on other end surface of the pellicle frame; wherein the mask adhesive layer includes 35 to 170 weight parts of a hardness adjuster (B) containing a polypropylene (b1) and a propylene based elastomer (b2) per 100 weight parts of a styrene resin (A); and in an electron microscopic photograph of the mask adhesive layer, a phase-separated structure of a continuous phase of the styrene resin (A) and a discontinuous phase of the hardness adjuster (B) is observed.

Abstract: The present invention provides an adhesive comprising a polyolefin (a), a hydroxyl group-containing polyolefin (b) and a crosslinking agent (c) having a functional group capable of reacting with the hydroxyl group.

Abstract: A process of extruding a blend of an irradiated first propylene polymer and a non-irradiated second propylene polymer, where the first propylene polymer comprises a non-phenolic stabilizer. The irradiation of the first propylene polymer extrudate is conducted in a reduced oxygen environment, and the irradiated first propylene polymer and the non-irradiated second propylene polymer are blended at a temperature below their respective melting points. The blend has a viscosity retention of 20 to 35%.

Abstract: The present invention relates to a process comprising extruding a blend of an first propylene polymer comprising a non-phenolic stabilizer and a non-irradiated second propylene polymer, wherein the irradiation of the first propylene polymer was conducted in a reduced oxygen environment, and the irradiated first propylene polymer and the non-irradiated second propylene polymer were blended at a temperature below the melting point of the first and second propylene polymers.

Abstract: A process of extruding a blend of an irradiated extrudate of a first propylene polymer and a non-irradiated second propylene polymer, where the first propylene polymer comprises a non-phenolic stabilizer. The irradiation of the first propylene polymer extrudate is conducted in a reduced oxygen environment, and the irradiated extrudate of the first propylene polymer and the non-irradiated second propylene polymer are blended at a temperature below their respective melting points. The blend has an ARPSW of ?3.0 micron.

Abstract: A film comprising a polymer blend of: (a) 0.15 to 0.8 wt % of an LDPE having an MI of 0.1 to 0.6 dg/min; and (b) 99.2 to 99.85 wt % of an LLDPE produced with a single-site catalyst comprising a metallocene and having a haze (HZlldpe), dart impact (DIlldpe), MD-Tear (MDTlldpe), and a slice long chain branching index of at least 0.90 for any portion of the composition having a molecular weight of 100,000 or above, wherein the film has a haze (HZblend), a dart impact (DIblend), and an MD-Tear (MDTblend), and HZblend=a*HZlldpe, where a is 0.20 to 0.70; DIblend=b*DIlldpe, where b is 0.9 to 1.3; and MDTblend=c*MDTlldpe, where c is 0.8 to 1.

Abstract: A macromolecule including a polymer and a polyhedral radical chemically bonded to a terminus of the polymer provides numerous processing and performance advantages. Further functionalization of this macromolecule also is described as being advantageous in certain circumstances. Methods of providing, functionalizing, and utilizing the macromolecule also are provided.

Abstract: [Problem] To provide a thermoplastic resin composition which is excellent in transparency and adhesion properties and hardly causes staining of an adherend after it is separated, a multilayer laminate using the composition, an article, and a method for protecting a surface of an article. [Means for solving problem] A thermoplastic resin composition (X) comprising the following components (A) to (C): (A) isotactic polypropylene containing not less than 90% by mol of propylene units, in an amount of 1 to 65% by weight, (B) a propylene copolymer which is a copolymer of propylene and at least one ?-olefin of 2 to 20 carbon atoms (excluding propylene) and whose melting point, as measured by DSC, is lower than 65° C.

Abstract: A sealant composition for use in two-pane or multi-pane insulating glass or solar modules, the sealant composition including: a) an olefinic polymer having a number average molecular weight from about 100 D to about 700,000 D, preferably from about 100 D to about 300,000 D; b) a modified olefinic polymer; c) a fine-particle inert filler; d) at least one of a desiccant and a water scavenger, and e) an aging resistor. The sealant composition has a tensile strength greater than 20 PSI, preferably greater than 50 PSI, a lap shear strength greater than 20 PSI, preferable greater than 40 PSI, and the tensile and lap shear strengths balanced such that the sealant fails cohesively before failing adhesively.

Abstract: A compatibilizer blend having at least one compatibilizer and at least one desiccant to address the presence of certain interfering components, such as water, in a polymeric matrix.

Abstract: An elastomeric, non-aqueous coating composition that includes biobased materials in a solvent system for application to the exterior surface of a structure. The coating composition includes at least one tackifier, a block copolymer, at least one biobased material, and an organic solvent system. The coating composition has a VOC content of less than 250 g/L.

Abstract: Heterophasic polypropylene composition comprising (A) 45 to 70 wt % of a propylene homo- or copolymer matrix with an MFR2 in accordance with ISO 1133 (230° C., 2.16 kg load) of ?80 g/10 min and (B) 25 to 40 wt % of an elastomeric propylene-ethylene copolymer, having an intrinsic viscosity IV (ISO 1628, with decalin as solvent) of ? 3.3 dl/g and an ethylene content of 20 to 50 wt %, (C) 0-15 wt % of an elastomeric ethylene/alpha-olefin random copolymer (D) 3-25 parts per weight of inorganic filler, the heterophasic polypropylene compositions having a total MFR2 (230° C./2.16 kg) in accordance with ISO 1133 of ?5 g/10 min, a Charpy notched impact strength according to ISO 179/1eA at +23° C. of ?15.0 kJ/m2, preferably ?25.0 kJ/m2, a minimum value for the Charpy notched impact strength according to ISO 179/1eA at ?200 C of ?7.0 kJ/m2, preferably ?10.0 kJ/m2 and a tensile modulus according to ISO 527-3 of ?1200 MPa; their preparation and use for producing injection moulded articles being free of flow marks.

Abstract: Filled polyolefin compositions comprising: A) from 15% to 55% by weight of a polypropylene component; B) from 20% to 80% by weight of a filler; C) from 4% to 25% of an elastomeric polymer or polymer composition; wherein the percentages of A), B) and C) are referred to the sum of A) B) and C), and A) is selected from the following compositions: a) a polypropylene composition containing from 20% to 80% by weight of a polypropylene fraction AI) having a Melt Flow Rate L (MFRI) value of 500 g/10 min. or more, and from 20% to 80% by weight of a polypropylene fraction AII) having a Melt Flow Rate L (MFRII) value of from 0.1 to 30 g/10 min., the said percentages of AI) and AII) being referred to the sum of AI) and AII); or b) a polypropylene composition containing from 15% to 72% by weight of a polypropylene fraction AI) having a Melt Flow Rate L (MFRI) value of 500 g/10 min. or more, from 15% to 70% by weight of a polypropylene fraction AII) having a Melt Flow Rate L (MFRII) value of from 0.1 to 30 g/10 min.

Abstract: Slit film tapes comprising (i) 1 to 50 wt % of a propylene elastomer based upon the total weight of the blend comprising 70 wt % to 95 wt % propylene and about 5 wt % to about 30 wt % alpha-olefin comonomer based upon total weight of the propylene elastomer. The propylene elastomer has a melt flow rate of 1 to 35 dg/min, a peak melting point of less than 115° C., and an mm triad tacticity of at least 70%; (ii) about 50 to about 99 wt % of a polypropylene based upon total weight of the blend comprising about 90 to about 100 mol % propylene wherein the polypropylene has a melt flow rate of 2 to 35 dg/min and a peak melting point of at least 130° C.; and (iii) 0.1 to 50 wt % of filler based upon the total weight of the blend.

Abstract: A polymer composite composition includes a polyolefin, a thermoplastic polyolefin elastomer, and a filler. The filler is in an amount ranging from 40 to 90 wt % based on the weight of the polymer composite composition. The weight ratio of the thermoplastic polyolefin elastomer to the polyolefin ranges from 19:1 to 1:19.

Abstract: The invention relates to the use of butyl ionomers or partially halogenated butyl ionomers in reducing a population of and/or preventing accumulation of organisms. The organisms may be bacteria, algae, fungi, mollusca or arthropoda. The invention also relates to coatings for shaped articles comprising the butyl ionomers.

Abstract: A low viscosity, high tensile strength polymer having a bi-modal molecular weight distribution is produced using a combination of high molecular weight polymer and low molecular weight polymer. The polymer chains have a high content of meso dyads that results in a greater amount of crystalline regions when the polymer is solidified. The low molecular weight chains provide high flow characteristics when the polymer is molten. The process for producing the high content of meso dyads includes the use of an external donor catalyst during the reaction.

Abstract: Disclosed is a thermoplastic composition suitable for forming sheet materials with improved tensile properties. The thermoplastic composition includes from about 1 to about 98 weight percent of a fiber-forming or film-forming polymer, from about 1 to about 98 weight percent of a low melt flow rate polymer having a melt flow rate less than 20 grams per 10 minutes, and from about 0.1 to about 10 weight percent of nanoparticles. The nanoparticles may be cylindrical nanoparticles having an average aspect ratio greater than about 1 and less than about 500.

Abstract: The present invention relates to a class of impact copolymer polypropylene (ICP) compositions exhibiting the advantageous combination of excellent tiger (flow) marking performance in large/long molded parts, very low gels count and exceptional mold flowability (high MFR) despite the high viscosity ratio (e.g., >4) between rubber and propylene based matrix phases. The inventive compositions exhibit significantly reduced the levels of volatiles, and excellent stiffness-impact balance used as standalone materials or in filled compounds. The significantly reduced number of large gels leads to excellent surface appearance and paintability of the molded parts. The composition of the present invention is made with a bulk/gas reactor process (i.e., non-slurry/non-solvent process) that has the advantage of process simplicity, process efficiency and simplicity of compositional structure relative to the complexity in structure and process of making of compositions in the prior art.

Abstract: The invention relates to the use in a photovoltaic module of a film of a composition as a backsheet or as an encapsulant, this composition comprising, with respect to the total weight of the composition: from 1 to 99% of a polyethylene having an ethylene whose level by weight is greater than or equal to 80% chosen from the homopolymers of ethylene and the copolymers of ethylene and another alpha-olefin; from 99 to 1% of a polyolefin B, other than A, carrying a reactive functional group X chosen from the anhydride carboxylic acids and epoxides. The invention also relates to, the composition additionally comprises a polyolefin C, other than B, which carries a functional group Y capable of reacting with the functional group X. The invention further relates to a photovoltaic module comprising the film which is used of the composition and also a process for the manufacture of this module.

Abstract: The invention relates to a low application temperature hot melt adhesive. More specifically, the low application temperature hot melt adhesive comprises olefin copolymers with an average Melt Index greater than 5 but less than about 35 g/10 minutes at 190° C. The adhesive is particularly useful in the construction of nonwoven articles.

Abstract: The present invention relates to a prepreg composite and to a process for manufacturing the prepreg composite. The manufacturing process involves surface treatment and impregnation of a high tenacity fibrous material with a surface treatment agent and a polymer matrix resin material. The fiber may be in the form of a woven, unidirectional or non-woven fabric. The fiber may optionally be coated with a surfactant and/or an adhesion promoter. Prior to treatment, the surface treatment materials may be contained in a dispersion of nano-particles in which each material has a film forming process temperature at a value below the degradation temperature of the fiber. The layers may be applied individually or simultaneously onto the fibers. The coated material is heat dried without compression to form a prepreg composite.

Abstract: This invention relates to a propylene polymer comprising a component having a crystallinity of 10% or less and a component having a crystallinity of 20% or more, said propylene polymer having: a) a melting point of X° C. or more where X=?0.0038(Tp)2+0.36(Tp)+150, where Tp is the temperature of polymerization in ° C.; b) an Mw of 10,000 g/mol or more; c) a heat of fusion of from 1-70 J/g; d) Stereodefects per 10,000 monomer units of Y or less where Y=2.35(Tp)?100 (where Tp is the temperature of polymerization in ° C.) for the portion of the blend that is insoluble in hexane at 23° C.; e) a dot T-Peel on Kraft paper of 1 N or more; and f) a branching factor of 0.98 or less, where the branching factor is the ratio of g? measured at Mz to g? measured at Mw, and process to produce such polymers.

Abstract: The present invention provides a thermoplastic resin composition for cleaning, containing: (A) 100 parts by mass of polypropylene resin, (B) 0 to 50 parts by mass of a thermoplastic resin which is not compatible with the polypropylene resin of the component (A), (C) 0.5 to 50 parts by mass of a thermoplastic resin for making the polypropylene resin of the component (A) compatible with the thermoplastic resin of the component (B), and (D) 0.5 to 15 parts by mass of a surfactant.

Abstract: A polymeric composition that is suitable for use as a film or a coating. The polymeric composition comprises: (a) a first component comprising copolymer derived from ethylene and one or more C3 to C20 ?-olefin comonomers. The first component has a density of about 0.911 to about 0.918 g/cm3, a compositional distribution breadth index (CDBI) of about 60% to about 85%, a melt index (MI) of about 16.0 to about 30.0 g/10 min, a molecular weight distribution (MWD) of about 1.5 to about 4.0, and a melt index ratio (MIR) of less than about 25; and (b) a second component comprising a low density polyethylene (LDPE). The second component has a g? of about 0.8 to about 0.15 and a MI that is lower than the MI of the first component.

Abstract: Multi-phase blended pressure sensitive adhesives are described. The adhesives include a first phase containing at least one non-halogenated polyisobutylene material and a second phase comprising a thermoplastic elastomer. Exemplary thermoplastic elastomers include polyolefins, styrenic block copolymers, acrylic polymers and silicone polymers. Crosslinked adhesives, including those crosslinked with actinic radiation are also described.

Abstract: Polymer composition comprising a) 10-99.99% by weight of at least one polyolefin, b) 0-50% by weight of a thermoplastic that is not a polyolefin, c) 0.005-1% by weight of per se known polymer additives, as well as an additional component chosen among d) at least one polybranched organic/inorganic hybrid polymer which has an inorganic core carrying organic branches, the core and branches forming a particulate structure, or/and e) a fat-soluble metal compound prepared by reacting a metal salt and an acidic, organic compound in a process in which a suitable oxidation agent ensures that all the metal in the end product is present in its highest stable oxidation state at standard conditions (25° C. and maximum 98% humidity).

Abstract: Composition having a melt flow rate MFR2 (230° C.) in the range of 10 to 50 g/10 min. said composition comprises two heterophasic polypropylenes comprising a propylene homopolymer matrix and an elastomeric copolymer, a plastomer and a mineral filler, wherein said two heterophasic polypropylenes have different melt flow rates, the first heterophasic polypropylene has a melt flow rate MFR2 (230° C.) in the range of 3.0 to 30.0 g/10 min and the second heterophasic polypropylene has a xylene cold soluble (XCS) content in the range of 7.0 to 20.0 wt.-%.

Abstract: The invention relates to a moulded article made from a polypropylene composition comprising 48-94.9 mass % of a polypropylene; 5-30 mass % of glass fibers having average length of 1-50 mm; 0.1-2 mass % of oleamide and/or erucamide; and 0-20 mass % of other additives; the article showing a color change of dL<2 in the PSA/Renault scratch tests and a color change of dL<1.5 in the Erichsen scratch test. This article shows an excellent combination of properties, especially a good balance between stiffness and impact resistance, which have excellent surface appearance, and high resistance to surface scratching and abrasion.

Abstract: A monoaxially oriented films and methods of making films including a heat sealable layer including propylene homo-polymer or copolymer and 3-15 wt % of at least one elastomer. The oriented films have a refractive index that satisfies the condition 5?delta n=|n (MD)?n (TD)|×1000?25, in which n (MD) is a refractive index of the film in a machine direction, and n (TD) is a refractive index of the film in a transverse direction.