Abstract: A biaxially oriented polyester film comprising silica particles (A) having an average secondary particle size of 50-200 nm, an average primary particle size ratio (length/breadth) of 1.25-3.0 and the ratio of average primary particle size/standard deviation of primary particle size (d/&sgr;) of 0.5-5.0 in a proportion of 0.01-1% by weight, and inactive particles (B) having an average particle size of 300-1500 nm in a proportion of 0.01-1% by weight. The polyester film of the present invention can be adapted to a high speed feeding of a film or tape in the production line and stand the use of economical parts in an attempt to achieve decreasing the costs of tapes.

Abstract: Hermetically sealed packages for food, cigarettes and the like are formed from packaging material (37) having a tear tape (33) attached thereto. The tear tape includes a surface formed of a material (7) which flows under the conditions needed to seal portions (8,9) of the packaging material together when closing the package so as to fill any gaps between the tape and the packaging material portions.

Abstract: A polyalkylene naphthalate for a film, which comprises a naphthalenedicarboxylic acid component as a main dicarboxylic acid component and an aliphatic glycol component as a main glycol component, and contains (a) an antimony compound and (b) a quaternary phosphonium sulfonate compound unit having an ester-forming functional group in such amounts that satisfy the following expressions (1) and (2): 0<Sb≦80  (1) 0<S/Sb≦0.4  (2) wherein Sb and S are the molar ratios (mmol %) of the antimony compound and the quaternary phosphonium sulfonate compound unit having an ester-forming functional group to the total of all the dicarboxylic acid components forming the polyalkylene naphthalate, respectively. The film of the present invention has excellent surface flatness and is suitable for use as a base film for a magnetic recording medium. It is also excellent in high-speed winding properties and can be formed into a film stably and produced industrially advantageously.

Abstract: A polyolefin resin composition comprising (a) 100 parts by weight of a polyolefin resin and (b) 0.05 to 1 part by weight of beads of a crosslinked polymer comprising (1) 5 to 99% by weight of a radically polymerizable monomer unit represented by the general formula (A): wherein R1 is hydrogen or a hydrocarbon group having 1 to 5 carbon atoms and R2 is a hydrocarbon group having 5 to 30 carbon atoms, (2) 0 to 94% by weight of a radically polymerizable monomer unit other than the monomer unit of the general formula (A), and (3) 1 to 20% by weight of a crosslinkable monomer unit, said crosslinked polymer beads having a critical surface tension of 40 dyne/cm or less.

Abstract: The present invention is a blend of a monovinylidene aromatic polymer and a rubber modified monovinylidene aromatic polymer, which can be used to produce cost effective, transparent packaging that can be used in food packaging and non-food packaging markets, and can be produced using conventional thermoforming equipment. The blend comprises: a) from 50 to 88 wt. percent based on the total weight of the blend, of a monovinylidene aromatic polymer having a weight average molecular weight (Mw) of from 265,000 to 400,000 and a melt flow of less than 2.5 g/10 min.; and b) from 12 to 50 wt. percent based on the total weight of the blend, of a rubber modified monovinylidene aromatic polymer comprising a monovinylidene aromatic polymer matrix having rubber particles dispersed therein, wherein the rubber particles comprise, based on the total weight of the rubber particles, from 25 to 100 weight percent rubber particles having a capsule morphology and a volume average particle size of from 0.1 to 0.

Abstract: Polyester-containing multilayer biaxially-oriented polypropylene films are provided. According to the invention, a two- or three-layer polyester-containing cap layer is bonded to a monoaxially oriented polypropylene core, followed by orientation of the resulting composite in a direction transverse to the direction of orientation of the core layer. At least one tie layer is interposed between the core and the polyester. Advantageously, the polyester contains silicone fluid as a processing aid.

Abstract: Zinc-containing hydrotalcite particles which satisfy the following requirements (1) to (4): (1) the chemical composition should be represented by the following formula (A): ZnxAl2(OH)4+2xCO3.mH2O  (A) wherein x and m satisfy 3.5≦x≦4.5 and 0≦m≦4, respectively, (2) the average secondary particle size should be 2 &mgr;m or less, preferably 0.3 to 1.5 &mgr;m, (3) the amount of particles having a particle size of 10 &mgr;m or more out of all the particles should be 1 wt % or less, preferably 0.5 wt % or less, and (4) the specific surface area measured by a BET method should be 20 m2/g or less, preferably 4 to 15 m2/g; and a resin composition comprising 0.001 to 5 parts by weight of the zinc-containing hydrotalcite particles based on 100 parts by weight of the polyolefin resin. This resin composition has excellent heat deterioration resistance, rust formation preventing properties, coloration preventing properties, dispersibility and filter permeability.

Abstract: A resin laminated metallic sheet having excellent adhesion during forming, corrosion resistance, and impact resistance is continuously manufactured at high speed with consistent properties is constantly kept at a selected and variable traveling speed of the metallic sheet by controlling the orientation of resin film after lamination, heating the continuously traveling metallic sheet, laminating resin films on both sides of the heated metal sheet using laminating rolls, and thereafter deflecting the traveling direction of the resin laminated metallic sheet using a deflector roll disposed movably in a direction perpendicular to the direction at a right angle from traveling direction of the metallic sheet, and further, differentiating a contacting period of time in which each surface of the resin laminated metallic sheet is contacting each of the laminating rolls, or differentiating an amount of the heat of each surface portion of the resin laminated metallic sheet lost by the cooling effect due to the contact o

Abstract: An image recording sheet and image forming processes employing the image recording sheet are disclosed. The image recording sheet has a high glossiness and forms on its surface an image of a high quality, especially from the viewpoint of a high glossiness and a good graininess. The image recording sheet is composed of a transparent support film, a transparent image-receiving layer provided on one surface of the support film, and a white coated layer provided on the other surface of the support film. The image recording sheet is employable for forming a glossy image on its surface by ink-jet recording, electrophotography, or thermal transfer recording.

Abstract: The invention relates to a biaxially oriented polyester film which, after metallization, has low oxygen permeation and good adhesion to the metallization, and is composed of at least one base layer B and, applied to this base layer, at least one layer A, where this layer A i) has, per mm2 of film surface, a number N of elevations whose respective heights h and diameters d are correlated by the following equations: log N/mm2<Ah−Bh*log h/&mgr;m, 0.05 &mgr;m<h<1.0 &mgr;m  (1) wherein Ah=1.4; Bh=2.5 log N/mm2<Ad−Bd*log d/&mgr;m, 0.2 &mgr;m<d<10.0 &mgr;m  (2) wherein Ad=3.4; Bd=2.4 and ii) has a copolyester coating derived from isophthalic acid and a sulfomonomer.

Abstract: A film includes a first layer including polyvinyl chloride; and a second layer including a material such as anhydride functionalized polyolefin, ethylene/vinyl acetate copolymer having a vinyl acetate content of between 10% and 35%, ethylene/alkyl acrylate copolymer having an alkyl acrylate content of between 10% and 30%, ethylene/alkyl methacrylate copolymer having an alkyl methacrylate content of between 10% and 30%, ethylene/acrylic acid copolymer having an acrylic acid content of between 10% and 30%, ethylene/methacrylic acid copolymer having a methacrylic acid content of between 10% and 30%, and ionomer. A layer of polyolefin, and/or an additional layer including any of the materials of the second layer, or polyvinyl chloride, can be optionally included in a film of the invention.

Abstract: A laminating propylene/1-butene random copolymer composition comprising a propylene/1-butene random copolymer and a low-density polyethylene in a specified proportion. With respect to the propylene/1-butene random copolymer, the content of structural units derived from propylene, content of structural units derived from 1-butene, MFR, Mw/Mn and B-value as a parameter indicating the randomness of copolymer monomer chain distribution fall within specified ranges. With respect to the low-density polyethylene, the MFR and density fall within specified ranges. The invention also provides a composite film comprising a substrate film such as a crystalline polypropylene film and, laminated onto at least one side thereof, a resin layer of the above composition having a thickness of 2 to 200 &mgr;m. The above composition is excellent in laminate moldability and enables producing a composite film having excellent low-temperature sealing properties, blocking resistance and hot tack.

Abstract: An energy absorbing article having a direction in which impact resistance is desired is formed of extruded thermoplastic foam exhibit anisotropic compressive strength. The extrusion direction of the thermoplastic foam is aligned substantially parallel with the direction in which impact resistance is desired to provide an energy absorbing article exhibiting a high ratio of compressive strength to weight.

Abstract: A film includes a first outer layer comprising a polymeric material; a second outer layer including a polymeric material; and a substrate layer disposed between the first and second outer layers. The substrate layer includes a polymer and an antiblocking agent. Additional internal layers can be included, some or all of which can include a polymer and an antiblocking agent.

Abstract: The present invention relates to improved processability of polyolefin films through the addition to the basic isotactic polypropylene (iPP) polymer of a syndiotactic polypropylene (sPP) in an amount within the range of about 2 to 10 weight percent and of a resin or rosin modifier in an amount within the range of 1 to 30 weight percent. Preferably, the composition could contain syndiotactic propylene in an amount within the range of about 2 to 5 weight percent. Preferably, about 3 weight percent of syndiotactic propylene is present in the polyolefin composition. The resin or rosin modifier could, preferably, be present in an amount within the range of 5 to 10 weight percent. Preferably, the composition should contain about 10 weight percent of the modifier. The present invention encompasses both the resulting polyolefin films and the process for producing such films.

Abstract: A multilayer polyester film having at least 7 layers which comprises alternating layers of polyethylene terephthalate and polyethylene naphthalate. Biaxial orientation and subsequent restrained heat setting of these materials results in thin films with tensile moduli in both stretch directions well in excess of the values obtained with monolithic films of either material. In some embodiments, a slippery surface is imparted to the film without the use of conventional slip agents.

Abstract: The film of the present invention is a biaxially oriented laminated polyester film for magnetic recording medium consisting of a polyester layer A containing fine particles and laminated to at least one surface of a polyester layer B, wherein the fine particles in the polyester layer A are composed of 0.001 to 0.03% by weight of crosslinked polymer particles (a) having an average particle diameter (da) of 0.9 to 1.6 &mgr;m, 0.1 to 0.8% by weight of inert particles (b) having an average particle diameter (db) of 0.4 to 0.8 &mgr;m and 0.05 to 1.0% by weight of inert inorganic particles (c) having an average particle diameter (dc) of 0.01 to 0.3 &mgr;m and a Mohs hardness of 7 or above, and the ratio of the thickness TA (&mgr;m) of the polyester layer A to the average particle diameter da (&mgr;m) of the crosslinked polymer particle (TA/da) is in the range of from 0.4 to 2.0.

Abstract: The invention relates to an photographic element comprising a transparent polymer sheet, at least one layer of biaxially oriented polyolefin sheet and at least one image layer wherein said polymer sheet has a stiffness in any direction of between 20 and 100 millinewtons, and said biaxially oriented polyolefin sheet has a spectral transmission of at least 40% and a reflection density less than 60%.

Abstract: Disclosed is a biaxially oriented polyester film that is 7.0 GPa or more in either the Young's modulus in the machine direction (YmMD) or in the transverse direction (YmTD), and in the range of 55° to 85° in the circumferential half-width of the diffraction line from the crystal plane in the direction of the polyester's backbone chain that is determined through crystal orientation analysis by wide angle X-ray diffractometry performed while rotating the polyester film around its normal. The film is high in rigidity in all directions within the film plane, high in tear resistance, high in dimensional stability, and resistant to deformation under load, and have very great industrial advantages as material for high-density magnetic recording media, with wide applicability as material for electrostatic capacitor, heat transfer ribbon, and base paper for thermosensitive stencil printing.

Abstract: The invention relates to an imaging element comprising a transparent polymer sheet, at least one layer of biaxially oriented polyolefin sheet and at least one image layer wherein said polymer sheet has a stiffness of between 20 and 100 millinewtons, and said biaxially oriented polyolefin sheet has a spectral transmission of at least 40% and a reflection density less than 60%.

Abstract: An opaque, oriented polymeric film structure comprises: (a) a core layer containing a thermoplastic polymeric matrix material which has a first surface and a second surface, the core layer having a plurality of voids, substantially all or all of the voids being free from a void-initiating particle and at least some of the voids being interconnected with an adjacent void in the polymeric matrix material, the number of voids not containing a void-initiating particle being sufficient to impart a significant degree of opacity to the film structure; and (b) at least one outer or skin layer containing a thermoplastic polymeric material and an effective amount of a nucleating agent to suppress cavitation in said at least one outer or skin layer. The film structure has a smooth surface and can be tailored to provide a controlled permeability, and is particularly suitable for food packaging.

Abstract: The invention relates to a metallized or ceramically coated, biaxially oriented polyester film with high oxygen barrier and built up from at least one base layer B and, applied to this base layer, at least one outer layer A, where this outer layer A has a defined number of elevations of defined height and diameter, and where at least this outer layer A is metallized or ceramically coated. The invention also relates to the use of the film and to a process for its production.

Abstract: A thermoplastic laminate film containing a thermoplastic substrate film and a layer formed from a resin composition containing a polyester graft copolymer (A) and a resin (B), the layer being formed on at least one side of the thermoplastic substrate film, the polyester graft copolymer (A) being obtained by grafting at least one polymerizable unsaturated monomer, which contains an acid anhydride having a double bond, to a hydrophobic polyester resin, and the resin (B) containing at least one member selected from the group consisting of a polyurethane resin, an acrylic resin and a vinyl resin. The adhesion improving layer of the inventive thermoplastic laminate film shows superior adhesion strength in a broad range of applications.

Abstract: A biaxially oriented polypropylene film to be metallized, including a surface layer made of a polypropylene resin with the endothermic main peak by crystal fusion in a range of 155 to 163° C. and with a heat of crystal fusion of 20 to 90 J/g, being laminated layer at least on one side of the base layer made of isotactic polypropylene; and the wetting tension of the surface layer, being 33 to 55 mN/m. A metallized biaxially oriented polypropylene film, including a thin metallic film, being laminated on the surface layer of said biaxially oriented polypropylene film to be metallized. A laminate obtained by using said metallized biaxially oriented polypropylene film.

Abstract: The present invention relates to a biaxially oriented polyester film for magnetic recording medium having a thickness of thinner than 7 &mgr;m and satisfying the formula 1 ≤ P - ( α ⁢   ⁢ t + α ⁢   ⁢ h ) 10 ≤ 10 wherein &agr;t (×10−6/° C.) is the thermal expansion coefficient of the film in transversal direction, &agr;h (×10−6/%RH) is the humidity expansion coefficient in transversal direction and P (ppm/g) is the transversal shrinkage of the film under the load (grams) applied to the film in machine direction.

Abstract: Laminate compositions with significantly improved retention of elastic and mechanical properties such as stress relaxation, permanent set, elongation modulus and hysteresis and modulus at temperatures slightly above body temperature, under actual use conditions, are formed from polymeric materials containing styrene copolymers and polymeric compounds blended with polyphenylene ether.

Abstract: The present invention relates to a biaxially oriented polyester film containing 0.01 to 3.0% by weight of inorganic particles X and 0.001 to 1.5% by weight of crosslinked polymer particles Y, the particles diameters of said particles X and Y satisfying the following relationships (1) to (3) at the same time: 0.1≦dX50≦1.5  (1) dX50<dY50≦dX10  (2) 1.0≦dY25/dY75≦1.

Abstract: The invention relates to an imaging member comprising at least one image receiving layer and an integral base material comprising at least one polyester layer and an upper surface layer comprising a polyester or polyolefin polymer and a bluing tint wherein said integral base material has a spectral transmission of greater than 90%.

Abstract: Methods of preparing biaxially oriented polyethylene films with improved optics and sealability properties are provided. The methods include stretching in the machine direction a multi-layer base sheet having a core layer with a first and a second side, at least one skin layer and outer surfaces; then coating at least one of the outer surfaces with a resin selected from the group consisting of low density polyethylene, very low density polyethylene, linear low density polyethylene and blends thereof, and finally, stretching the base sheet in a direction transverse to the machine direction.

Abstract: There is disclosed the provision of a plastic film for covering soil for use in cropping or covering a frame for greenhouse effect. At least part of the plastic film has been stretched beyond its yield point prior to application. In alternative forms, the film undergoes a secondary stretch to form a predetermined pattern of weakness in certain localized areas of the film. The film may be photodegradable and biologically degradable to accelerate decomposition of the film when exposed to the elements.

Abstract: Films prepared from metallocene polypropylene containing a low molecular weight hydrocarbon resin are shown to have certain improved properties as compared to such films prepared with such films prepared without said resin. In particular, these films have improved optical properties.

Abstract: A biaxially oriented polyester film which consists of a polyester composition comprising 0.0005 to 0.03% by weight of crosslinked polymer particles having an average particle diameter d.sub.A of 0.8 to 1.6 .mu.m, 0.1 to 0.8% by weight of inert particles having an average particle diameter d.sub.B of 0.4 to 0.8 .mu.m, and 0.05 to 1.0% by weight of inert inorganic particles having an average particle diameter d.sub.C of 0.01 to 0.3 .mu.m and a Moh's hardness of not less than 7, and which satisfies the following equations (1) and (2):1.5.ltoreq.d.sub.A /d.sub.B .ltoreq.3 (1)wherein d.sub.A and d.sub.B are defined as above,SRz/SRa.gtoreq.20 (2)wherein SRz is a three dimensional 10-points average roughness of a film surface and SRa is a three dimensional center plane average roughness of a film surface.

Abstract: A film free from the problem of the generation of abrasion powder on an inner part of a transporting system contacting with the surface of a ribbon in a heat-sensitive transfer printer in the case of using the film as a heat-sensitive transfer ribbon and giving a heat-sensitive transfer ribbon having remarkably improved windability is produced by using a biaxially oriented polyester film having a thickness of from 1.0 to 10.0 .mu.m and composed of a polyester composition containing two or more kinds of inert particles having different average particle diameters and each containing at least one kind of element selected from Al, Si, Ca and Mg, characterized in that the center-line average roughness (SRa) and the 10 points average roughness (SRz) of the film surface are 10 to 80 nm and 700 to 1,500 nm, respectively, the air-escaping rate between films is 20 to 120 mmHg/hr, and the end staggering width is 0 to 500 .mu.m when a film roll slit to 1/2 inch wide is wound at a speed of 250 m/min.

Abstract: A release film comprising a release layer provided on at least one side of a biaxially oriented polyethylene-2,6-naphthalenedicarboxylate film, wherein:(1) the release layer is a layer formed of a resin composition consisting substantially of an acrylic resin, a silicone resin and a melamine crosslinking agent, the amount of the silicone resin being 1 to 100 parts by weight based on 100 parts by weight of the total amount of the acrylic resin and the melamine crosslinking agent, and(2) the release film has a percentage change in dimension in absolute value of 0.3% or less in both a longitudinal direction and a direction perpendicular thereto as measured at 120.degree. C. under a stress of 150 gf/mm.sup.2.The release film is useful as a protective film for formation of a coating from a coating solution containing a variety of solvents or as a carrier film for formation of a sheet or a film, and has very small percentage change in dimension at the time of heat treatment, in particular.

Abstract: Ethylene polymers having a) a Polydispersity Index of about 2 to about 4; b) a melt index, MI, and Relaxation Spectrum Index, RSI, such that (RSI)(MI.sup.0.6) is about 2.5 to about 6.5; c) a Crystallizable Chain Length Distribution Index, L.sub.w /L.sub.n, of about 1.0 to about 9; and d) a density, .rho., and a percent haze when fabricated into films such that the percent haze is less than 370.rho.-330, are provided. These ethylene polymers advantageously combine superior clarity and toughness with low extractables and enhanced processing ease.

Abstract: An oriented multi-layer film comprises:(a) at least one layer comprising an olefin polymer, for example, isotactic polypropylene; and(b) a barrier layer adjacent the at least one layer of (a), comprising a syndiotactic polypropylene which preferably possesses an isotacticity of less than 25%, more preferably less than 15%, in particular less than 6%, and moisture and oxygen permeability reducing amounts of wax.

Abstract: The present invention provides a biaxially oriented polyester film having a linearly tearable property at least in a longitudinal direction, and excellent in the producability at mass production scale, which can be produced from the mixture of polybutylene terephthalate containing 5 to 20% by weight of a polytetramethylene glycol (PTMG) unit having a molecular weight of 600 to 4,000 (modified PBT) and polyethylene terephthalate (PET) in a weight ratio (PET/modified PBT) of 70/30 to 95/5.

Abstract: A thermal transfer image-receiving sheet for a sticker comprises a sticker portion and a release sheet portion, the sticker portion being comprising a substrate, a receptor layer disposed on a front surface side of the substrate and an adhesive layer disposed on a back surface side of the substrate, the release sheet portion being comprising a support sheet and a grip layer disposed on a back surface side of the support sheet, and an adhesive area of a back surface of the sticker portion being covered with the release sheet in a peelable adhesion with a front surface of the release sheet portion facing to the back surface of the sticker portion, wherein said grip layer is a non-oriented synthetic resin layer having a softening point of 110.degree. C. or more. The grip layer is well bitten by spikes of a grip roller of a printer to prevent misregistering. The grip layer is preferably formed by extrusion lamination.

Abstract: A multilayered biaxially-oriented styrene based resin sheet comprises; a styrene based resin layer (A) as at least two outer layers formed by the polymerization of methacrylic acid in a weight proportion of 1-3.5% and styrene, and a styrene based resin layer (B) formed from polystyrene which is sandwiched between the outer layers and for which the loss tangent (tan .delta.) maximum peak value temperature for dynamic viscoelasticity measurement is 6.5-25.degree. C. lower than that for the resin of the resin layer (A). The sheet has excellent properties of transparency and external appearance, can be reused by recovering and moreover does not suffer from raindrop occurrence by secondary forming.

Abstract: A white film to be laminated to a metal surface and a method of producing the same. This white film comprises first and second layers which are laminated with the arrangement of second layer/first layer/second layer. The middle, first layer is composed of 80-40 wt % a first polyester, and 20-60 wt % titanium oxide added therewith. The front and back, second layers are composed of 80-100 wt % a second polyester, and 20-0 wt % titanium oxide. The film is a biaxially stretched film, and the content of titanium oxide in the entire film is 20-50 wt %.

Abstract: The invention is an in-mold label film comprising at least two layers with one layer being a heat seal layer for bonding the film to a polymer substrate wherein the film has a thermal conductivity of less than about 1.250.times.10.sup.-4 k-Cal/sec cm .degree. C. The invention further includes a process for in-mold labeling comprising the steps of forming a label comprising at least two layers with one layer being a heat seal layer for bonding the film to a plastic substrate wherein the film has a thermal conductivity of less than about 1.250.times.10.sup.-4 k-cal/sec cm .degree. C. inserting the label into a mold for producing the plastic substrate with a inside and outside surface thereafter forming a plastic substrate in the mold with sufficient heat wherein the outside surface of the substrate bonds with the heat seal layer of the label.

Abstract: A heat-shrinkable film comprising a core layer comprising an ethylene-vinyl alcohol copolymer, two outer layers of blends comprising ethylene-vinyl acetate and ethylene-.alpha.-olefin copolymers, and two adhesive layers, characterized in that said film has a free shrink of at least 40%, preferably at least 45% and most preferably at least 50%, in both dimensions at 120.degree. C. and a maximum shrink force in the transversal direction, throughout its range of shrink temperatures, not exceeding 0.5. N/cm. The film is suitable to package deformable articles such as trays to give a tight package without causing deformation.

Abstract: A transparent conductive film of a zinc oxide type containing gallium and silicon, which contains silicon in an amount of from 0.01 to 1.5 mol % in terms of SiO.sub.2.

Abstract: A membrane formed by coating an aqueous coating liquid comprising an antistatic agent or anticlouding agent on one or both surfaces of an aliphatic polyester film comprising a specific amount of a lubricant or an antiblocking agent, can remarkably improve adhesion of the membrane (antistatic layer or anticlouding layer) to the aliphatic polyester film, and thus the effect of the membrane (antistatic effect or anticlouding effect) can be continuously exhibited for a long period.

Abstract: A laminated polyester film is disclosed which contains not more than 0.05% by weight of a fluorescent agent. The film comprises a fine cell-containing polyester film that contains 55 to 95% by weight of polyester and 5 to 45% by weight of an immiscible thermoplastic resin, said fine cell-containing polyester film having a density of 0.40 to 1.30 g/cm.sup.3 and at lest one other polyester. The other polyester film is laminated as an outermost layer on at least one of the surfaces of the fine cell-containing polyester film. It has a density of not less than 0.40 g/cm.sup.3 and not less than 0.01% by weight of a fluorescent whitening agent. The concentration of the fluorescent whitening agent in the other polyester film is higher than that in the fine cell-containing polyester film.

Abstract: Films containing oriented dye, methods of manufacturing such films, and polarizers and liquid crystal display devices utilizing the films are disclosed. The film contains at least one dichroic dye which is uniaxially oriented. A film has a thickness of not less than 1 nanometer and not greater than 5 micrometer and contains the dichroic dye of not less than 1 percent by weight and not greater than 100 percent by weight. The film has a peak of absorption at 400 nm through 800 nm and a dichroic ratio of not less than 25 at the peak of absorption. The film may include a micro-pattern having a minimum width in a film plane of not less than 1 micrometer and not greater than 200 micrometer. In such a case, the dichroic dye has a dichroic ratio of not less than 10 at the peak of absorption. A method of manufacturing such a film according to the invention includes the step of forming a dye-containing film on a substrate having a fluororesin alignment layer on the surface thereof.

Abstract: A multilayer film useful for making plastic adhesive labels for glass substrates such as glass bottles. The multilayer films contain a base layer, an adhesive layer, and optionally an intermediate layer to improve interlayer bonding between the base layer and the adhesive layer. The adhesive layer comprises a heat-activated thermoplastic adhesive that is not tacky at room temperature. Films of the present invention are sufficiently non blocking at room temperature so as to not require the use of a separate release liner. The film can be utilized in conventional graphics printing operations and made into labels. Labels made from films of the present invention can be thermally adhered to glass substrates and exhibit sufficient adhesion to glass substrates to withstand washing/rinsing, filling, and pasteurization processes utilized in the bottling industry.

Abstract: The present invention provides a laminated body comprising a uniaxially stretched laminate composed of (I) a first thermoplastic resin layer and (II) an adhesion layer which has a lower melting point than said first thermoplastic resin layer (I) and is provided on at least one surface of said thermoplastic resin layer (I), said adhesion layer (II) being composed of a composition containing (A) 100 to 30% by weight of an .alpha.-olefin (co)polymer having a melt flow rate of 0.01 g to 100 g/10 minutes obtained by (co)polymerizing an .alpha.-olefin in the presence of a catalyst which includes at least one compound of a transition metal of Group IV in the Periodic Table containing a ligand having a cyclopentadienyl skeleton, and (B) up to 70% by weight of an olefin-based polymer; in one embodiment, the present invention relates to a nonwoven or woven fabric and a reinforced laminated body, each derived from the laminated body.

Abstract: Porous polyolefin membrane with a porosity of at least 20%, which is steam sterilizable at elevated temperature, wherein the polyolefin is polyethylene with an intrinsic viscosity of at least 5 dl/g and the membrane shows a shrinkage of at most 4% in every direction in the plane of the membrane when exposed to steam with a temperature of 134.degree. C. for 10 minutes.

Abstract: Films, made of polyethylenes and fillers, and articles made therefrom greater WVTR than previously available films based on conventional Ziegler-Natta based polyethylenes. The polyethylenes are produced in a metallocene-catalyzed production process. The films may be made by a cast film process, and may be made in widely varying filler content, generally polyethylene to filler ratios of 30/70 to 70/30. The metallocene based polyethylenes when combined with filler also permit the extrusion of thinner films leading to lighter weight and softer films. The m-polyethylenes utilized for making such films typically have a Composition Distribution Breadth Index above 50%, a Mw/Mn below 3, and a Mz/Mw below 2.