Abstract: A multi-layer film contains at least a first layer, a second layer inside thereof, and a third layer inside the second layer. The first layer contains a polypropylene resin (PP). The second layer contains a polyethylene resin (PE) having 70 to 90 wt% of a lower crystalline component (LCC) and 10 to 30 wt% of a higher crystalline component (HCC). The PE has a melt flow rate of 0.1 to 20 g/10 min and in a temperature rising elution fraction elution curve, an elution peak temperature of the LCC is from 45 to 85° C; the ratio of (peak height of LCC)/(height of the minimum valley between LCC peak and HCC peak) is 9 or more; an area ratio of the elution peak temperature or less of LCC is 35% or more. The third layer contains a) PP or b) a high-pressure low density PE having an extrapolation melting completion temperature of melting of 110° C or more; or c) a copolymer of ethylene/C3-18 &agr;-olefin having a density of 0.920 g/cm3 or more.

Abstract: Described is a thermoplastic resin film having on a surface thereof a hydroxy-modified imine polymer containing repeating units represented by the following general formula (I) in an amount of 5 mol % or more based on the total of repeating units.

Abstract: Improved, removable PSA compositions and constructions contain an emulsion acrylic PSA copolymer of a plurality of acrylic monomers and at least one multifunctional crosslinking monomer, compounded with a wax and a plasticizer. Peel forces required to remove the constructions from a variety of substrates are notably smaller than those required to remove comparable compositions containing no crosslinking monomer.

Abstract: A heat-sensitive recording material including at least a heat-sensitive recording layer, a light transmittance adjusting layer and a heat resistant protective layer on a support, wherein oxygen permeability of the light transmittance adjusting layer is 0.8 or less, and the light transmittance adjusting layer includes a polyvinyl alcohol having a saponification rate of 90 mol % or more.

Abstract: A single ply reinforced roofing membrane having advantageous tensile and seam strength comprising a reinforcement scrim sandwiched between polyolefin cap and base layers, characterized in that at least one of said layers includes a functional polyolefin as additive therein.

Abstract: Stretch wrap films are used to hold goods to pallets during storage and shipping. A stretch wrap film with blends of polyethylenes that optimize physical properties enable the film to have sufficient cling while creating a tolerable noise level upon unwrapping. The stretch wrap film also has good clarity, high load containment, high puncture resistance, high stretch and good tear resistance.

Abstract: A thermoformable, puncture-resistant multi-layered film with surface slip, prepared by coextrusion and built up from polyolefin-based, polyamide-based and adhesion promoting polymer layers and its use for packaging sharp-edged goods, in particular foodstuffs.

Abstract: The invention relates to a white film with a thickness in the range of 1 to 500 &mgr;m that contains a crystallizable thermoplast as the main component. The inventive film is further characterized in that it contains at least one UV stabilizer as the light stabilizer and at least one white pigment. The invention further relates to a method for producing said film and the use thereof.

Abstract: Thin films exhibiting second-order nonlinear optical (NLO) properties, as well as materials and methods for producing such films, are provided. The films are formed by depositing, on a substrate, alternate layers of a polyelectrolyte and a low molecular weight chromophore. The chromophore contains an electrophilic group that reacts with a previously deposited polyelectrolyte, and ionizable groups which present absorption sites for the next polyelectrolyte layer. The films find application in, for example, electro-optic modulators and frequency doubling devices.

Abstract: A new high strength poly one-side ream wrapper made by utilizing copolymer and/or terpolymer resins.

Abstract: The invention provides a flexible plastic formulation capable of being extruded, blow-molded, ethylene oxide and radiation sterilized. The plastic formulation of the invention comprises: a) from about 60 to about 94 percent by weight of a copolymer consisting essentially of ethylene and vinyl acetate units; b) from about 5 to about 25 percent by weight of a block copolymer, the block copolymer consisting essentially of a central block copolymer molecule including generally equal proportions of ethylene and butylene units, and terminal blocks of polystyrene; and c) from about 1 to about 15 percent by weight of an ultra-low density polyethylene material. The plastic formulations of the invention are useful in the manufacture of blood bags, tubing and the like.

Abstract: Conformable multilayer films having alternating layers of a stiff polymeric material and a flexible polymeric material are described.

Abstract: Film-forming means are coextruded to form all plastic multilayer liners and facestocks for pressure-sensitive labels, tapes, decals, signs, bumper stickers, and other products formed from sheet and roll stock. Fill means in a charge for the liner coextrusion affects stiffness and dimensional stability of the liner and/or affects the roughness of a liner face or faces. The film materials of the layers of the constructions are selected according to tile cost/benefit characteristics of candidate materials considering the functional or operational requirements of the layer in question.

Abstract: An article, such a bag, pouch, casing, or sheet formed from joined film pieces, comprises a non-crosslaminated film. The article has a parallel plate burst strength of at least 190 inches of water, with the film having a thickness of from 1 to 2.9 mils. The film comprises one or more of a wide variety of polymers, with linear low density polyethylene being a preferred polymer. The film is heat sealed to itself or another film (preferably a similar or identical film). The burst strength is surprising in view of the thin gauge of the film, and the fact that the film is not cross-laminated.

Abstract: A resin composition to be used as a material for a various part of an automotive vehicle. The resin composition comprises a copolymer (A) formed by copolymerization of a first unsaturated monomer (a) and a second mononer (b). The first unsaturated monomer has a functional group which is bondable by hydrogen bond to a hydroxyl group. The second monomer is copolymerizable with the first unsaturated monomer. A metal oxide (B) is dispersed in the copolymer and having hydroxyl groups and hydrophobic groups at surface of the metal oxide.

Abstract: Disclosed is a label having a base layer (A) of a uniaxially stretched film containing 55 to 95 wt % of a thermoplastic resin and an inorganic or organic fine powder having an average grain size of 0.2 to 2 &mgr;m in an amount more than 5 wt % and not more than 45 wt %; a surface layer (B) of a uniaxially stretched film provided on one surface of the base layer (A), containing 35 to 85 wt % of a thermoplastic resin and 15 to 65 wt % of an inorganic fine powder having an average grain size of 0.2 to 2 &mgr;m; and an adhesive layer (C) of a uniaxially stretched film provided on the opposite surface of the base layer (A), containing 90 to 99 wt % of a thermoplastic resin having a melting point of 80 to 140° C., and 1 to 10 wt % of an inorganic or organic fine powder having an average grain size of 0.7 to 3 &mgr;m.

Abstract: The invention is to offer a glass-break preventing film like filter to be directly attached to a visual side of a plasma display plate, so that no problem occurs of double images caused owing to an air layer, contributing to easy attachment, light weighing, thin size and low cost, and a plasma display apparatus attached with the same. A glass-break preventing film like filter is composed by laminating a reflection preventing film on one side of a glass-break-preventing layer comprising a composite material of a transparent organic high polymer substance and an organized layer like clay, and making the other side an adhesive face, and a plasma display apparatus is composed by directly attaching on a visual side thereof with the glass-break preventing film like filter via the adhesive face of the glass-break preventing layer.

Abstract: The present invention relates to breathable film compositions and processes for producing such compositions. The breathable films comprise a polyolefin continuous phase and a polystyrene dispersed phase. Said films are useful in many applications including diapers and other personal hygiene devices.

Abstract: A diffusion membrane is a microporous sheet comprising a blend of an aliphatic polyolefin and a thermoplastic olefin (TPO) elastomer. The blend comprises less than 10 percent by weight of the elastomer. The preferred polyolefins are selected from a group consisting of polyethylene, polypropylene, copolymers thereof, and blends thereof. The preferred TPO elastomers are selected from the group consisting of ethylene-propylene rubbers (EPR), ethylene-propylene-diene terpolymer rubbers (EPDM), and combinations thereof.

Abstract: A multiple layer adhesive and barrier film that combines good adhesion to substrates such as a foam material with a barrier to liquid permeation provides the substrate with a liquid barrier and adequate wear characteristics, particularly when the substrate is a foam material used as a carpet pad.

Abstract: A composite high density plastic sheet, comprising a thermoplastic elastomer filled in substantial amount with an inorganic material, and intimately blended with a high strength low density polyethylene whereby to provide in one product the benefits of sound attenuation as well as inhibiting water and dust entry. The sheet can be cold-formed to include a pocket portion for use in applications such as receiving vehicle apparatus. Provision of a separate layer of the low density polyethylene assists in the sheets being stacked and adhesive permits the sheet to be removably attached to a surface of the apparatus.

Abstract: A propylene-based copolymer obtained by copolymerizing propylene with ethylene and/or an &agr;-olefins having 4 or more carbon atoms in the presence of a polymerization catalyst in a first step to produce a copolymer having a content of the &agr;-olefins of 1 mol % or more and less than 15 mol % and an ethylene content of 5 mol % or less in amount of 1 to 30% by weight as a copolymer component (A), and subsequently copolymerizing propylene with ethylene and/or an &agr;-olefins having 4 or more carbon atoms in a second step or later steps to produce a copolymer having a content of the &agr;-olefins of 15 to 30 mol % and an ethylene content of 5 mol % or less in amount of 70 to 99% by weight as a copolymer component (B).

Abstract: An acrylic derived adhesive that is used for attachment of a polarizing plate having a difference of no more than 5% between an initial gel ratio and a gel ratio after the adhesive is heated at 80° C. for 500 hours is efficiently used as adhesive for polarizing plate excellent in long-term preservation quality and for optical member.

Abstract: A dyed polyester film comprising a B/A/B′ type laminate structure wherein B and B′ are clear polyester layers not containing a dye additive or a sublimate forming material and having a thickness LB and LB, and a glass transition TgB and TgB′; A is a dyed polyester layer containing a dye additive and having a thickness LA and a glass transition temperature TgA; wherein the polyester in B, B′ and A is poly(ethylene terephthalate), poly(ethylene naphthalate), polyesters containing sulfonate groups, copolymers of poly(ethylene terephthalate), poly(ethylene naphthalate), or copolymers of poly(ethylene terephthalate) and poly(cyclohexane dimethylene terephthalate). A method of producing the dyed polyester film is also disclosed.

Abstract: The invention is directed to a method for making composite articles, including optical lenses, which includes the steps of obtaining a substrate; placing a semi-solid-like polymerizable composition in contact with at least one of the front or back surface of the substrate; compressing or heating the resulting semi-solid/substrate sandwich between two mold halves, where the mold contacting the semi-solid polymerizable material has a desired surface geometry; and exposing the semi-solid/substrate sandwich to a source of polymerizing energy. The resulting composite article has the desirable characteristics of the substrate but is also easily fabricated as a result of the semi-solid molding process. Also included within the present invention is a composite article comprising a substrate portion and at least one layer of a cured resin bonded to the substrate portion, the cured resin comprising an interpenetrating crosslinked polymer network of reactive plasticizer within a dead polymer.

Abstract: A multi-layer co-extruded film is particularly intended for use as a labeling, a laminating or a packaging film. The film includes two outer layers (1) consisting of a polyolefin, a polyolefin mixture or an olefin copolymer, and a core consisting of a mixture of styrene homopolymers and styrene-butadiene-styrene block copolymers at least in the areas bordering on the outer layers. The mixture contains more than 50% by weight up to a maximum of 90% by weight styrene homopolymer, the balance being styrene-butadiene-styrene block copolymer.

Abstract: A multilayer film has a hermetically heat-sealable, pressure-reclosable, outer heat seal layer which contains a blend of a substantially spherical homogeneous polyolefin (i.e., SSH polyolefin) with a different thermoplastic polymer. The SSH polyolefin is present in an amount of from about 20 to 80 weight percent, and the different thermoplastic polymer is present in the layer in an amount of from about 80 to 20 weight percent, based on total layer weight. The SSH polyolefin has at least 60 side chain branches per 1000 carbon atoms, and has a melt index of from about 1 to 10. The invention also includes a process for making the multilayer film. Also disclosed is a roll of film comprising a disposable outer layer which is directly and peelably adhered to a first surface of second layer comprising the SSH polyolefin, a packaging article comprising an inside layer comprising the SSH polyolefin.

Abstract: The invention relates to a single- or multilayer, transparent, amorphous film which comprises at least one crystallizable thermoplastic as main constituent, in particular a polyester, and also comprises at least one hydrolysis stabilizer. The hydrolysis stabilizer is preferably a phenolic compound, an oxazoline, and/or a monomeric or polymeric carbodiimide, where appropriate combined with an organic phosphite. It is preferably added in the form of a masterbatch. On exposure to moisture and heat it shows practically no embrittlement and retains its tensile stress at break. The film may have been rendered UV-resistant, or flame-retardant, or one side or on both sides have been coated, or be sealable, and/or have been corona- or flame-treated. It is generally produced by extrusion or coextrusion, the hydrolysis stabilizer being added in the form of a predried or precrystallized masterbatch. The film can be shaped particularly effectively by thermoforming.

Abstract: Use of a homogeneous blend of a metallocene-catalysed medium density polyethylene (mMDPE) with low density polyethylene (LDPE), to produce blown films, this composition essentially consisting of from 0.5 to 99.5 % by weight of mMDPE and from 99.5 to 0.5 % by weight of LDPE, based on the total weight of the blend. The blend is optionally coextruded between layers of LDPE.

Abstract: The laminated film of the present invention comprises:

Abstract: Foamable polypropylene composition comprising a polypropylene resin having an D1238L melt flow rate of from about 0.5 to about 30 g/10 min, and a method for extruding rigid, foamed polypropylene sheet with improved surface appearance having a density in the range 0.4 to about 0.

Abstract: An irradiated multilayer film has a first layer and a second layer. The first layer is an outer heat seal layer containing a blend of a highly branched homogeneous polymer and a semicrystalline polymer. The highly branched homogeneous polymer has at least 40 branches per 1000 methylene groups, an Mw/Mn less than 3.0, and a density of less than 0.89 g/cc. The highly branched homogeneous polymer is present in an amount of from about 5 to 50 weight percent, based on layer weight. The semicrystalline polyolefin has a density of at least 0.90 g/cc. The semicrystalline polyolefin is present in an amount of from about 50 to 95 weight percent, based on total layer weight. The second layer contains a thermoplastic polymer in a crosslinked polymer network. A process for making a packaging article includes coextruding the first and second layers, irradiating the resulting multilayer film, and thereafter heat sealing the first layer to itself or another component of the packaging article.

Abstract: A release foil comprising a plastic carrier and a silicone coating forming a layer with low adhesion versus an adhesive layer of a substrate laminated to it. According to the invention, the plastic carrier comprises a barrier layer for absorbing substances migrating out of the adhesive layer. The barrier layer consists of an ethylene-vinyl-acetate copolymer, ethylene-(meth)acrylic acid copolymer, or styrene block copolymer, or mixtures of said components.

Abstract: A packaging article has a hermetic heat seal of a multilayer film to itself or another component of the article. The seal layer contains a blend of a highly branched homogeneous polymer having at least 40 branches per 1000 methylene groups, the highly branched homogeneous polymer having an Mw/Mn less than 3.0, a density of less than 0.89 g/cc, the highly branched homogeneous polymer being present in an amount of from about 5 to 50 weight percent, based on layer weight. The semicrystalline polyolefin has a density of at least 0.90 g/cc, and is present in an amount of from about 50 to 95 weight percent, based on total layer weight. The heat seal has a seal strength at 75° C. of at least 100 grams per centimeter. A process for making the article is also disclosed.

Abstract: The present invention relates to a method of making improved polyolefinic elastic articles from cured, irradiated or crosslinked amorphous ethylene interpolymers. In particular, the invention relates to a method of making a shaped article (e.g. film or fiber) characterized by improved elevated temperature elasticity as well as washability and dryability. The inventive elastic article comprises a substantially cured, irradiated, or crosslinked (or curable, irradiated or crosslinkable) homogeneously branched ethylene interpolymer characterized as having a density less than 0.90 g/cm3 and containing at least one nitrogen-containing stabilizer. The improved elastic article of the present invention is particularly suitable for use in applications where good elasticity must be maintained at elevated temperatures and after laundering such as, for example, elastic waist bands of undergarments and other clothing.

Abstract: A radiation curable coating contains an agent that imparts greater strippability to the cured coating. The agent can be included in the coating or in one or more subsequently applied maintenance coats.

Abstract: The present invention relates to bioriented polyethylene films having high water vapor transmission rates (WVTR) and methods for preparing the same. The film comprises a base layer and skin layers. The base layer comprises highly cavitated polyethylene, such as medium density polyethylene (MDPE) or high density polyethylene (HDPE). The cavitating agent in the base layer may be calcium carbonate. At least one skin layer comprises (i) a copolymer of ethylene and at least one other monomer and (ii) a hydrocarbon resin, such as a cyclopentadiene resin. This copolymer (i) may be an ethylene-propylene copolymer or an ethylene-propylene-butene-1 terpolymer. The film may have unidirectional tear properties in the machine direction. This film is particularly useful for packaging food products, such as pieces of candy.

Abstract: A magnetic recording medium includes a highly permeable magnetic layer proximal to a recording layer. During recording, the permeable magnetic layer modifies the recording field from a recording head to produce consistently shaped recording transitions with a significant perpendicular component. The transitions are consistently shaped even though the distance between the recording head and the surface of the medium may change. Transitions so formed result in a reduction of noise from the medium surface roughness. The permeable magnetic layer further reduces noise caused by stray dipole fields.

Abstract: A multi-layer thermoplastic packaging, the outer layer containing at least one filler having particles of different particle size and of a diameter ≧50 &mgr;m, to give a natural stone external appearance and a process for the preparation thereof which includes coextrusion and blowing of the inner and outer layers, to provide the packaging which can be in the form of a flask, bottle, pot or other desired shape.

Abstract: The present invention provides coextruded or laminated multilayer films having at least one layer of a halopolymer such as poly(chlorotrifluoro ethylene) (PCTFE), at least one layer of a naphthalene containing polymer such as poly(ethylene naphthalate) (PEN), and an intermediate adhesive layer. The invention further provides methods of producing oriented, multilayer films which comprise either coextruding or laminating at least one layer of a halopolymer to a surface of at least one layer of a naphthalene containing polymer by an intermediate adhesive layer. The multilayer film may be uniaxially or biaxially stretched, and an optional thermoplastic polymer layer may be attached to another surface of either the halopolymer layer, the naphthalene containing polymer layer, or both, by another intermediate adhesive layer.

Abstract: A film laminate for printing comprises a polyolefin film in which at least one side is surface-modified and an anchor layer formed on the surface-modified side of the polyolefin film and containing an oxazoline group-modified resin. The film laminate is prepared by subjecting at least one side of a longitudinally oriented polyolefin film to a corona discharge treatment, forming an ethylene-acrylic acid type copolymer layer on the corona discharge-treated side of the film, laterally orienting the film, and then forming an anchor layer comprising a binder resin, and an oxazoline group-modified resin, on the modified surface of the surface-modified polyolefin film subjected to the corona discharge treatment. The film laminate for printing is excellent in its transparency and it is also excellent in the adhesion to a coated layer.

Abstract: This invention relates to a propylene series resin sheet that has a large tan &dgr; and high frequency welding characteristics, excellent transparency, low-temperature impact resistance, and surface durability. The propylene series resin sheet is characterized by a mixture of a polypropylene series composition with a weight percentage of 50-99% and an ethylene series copolymer with a weight percentage of 1-50%.

Abstract: A breathable multilayer film having a breathable core layer and at least one skin layer is disclosed. The core layer prepared by from a mixture containing a thermoplastic polymer and a particulate filler and the skin layer or layers are prepared from a mixture of at least two incompatible polymers and a polymer which compatiblizes the incompatible polymers. The addition of the compatiblizer in the skin layer improves the film forming consistency. In addition, the core layer contains voids around the particulate filler and the skin layer or layer has cracks or voids, which provides breathability to the multilayer film. Stretching of the film after the layers are coextruded together forms the voids and/or cracks.

Abstract: A multi-layer co-extruded label film has layers that are connected with one another. It has a printable first layer (11+12) that has a thickness of 60-80 &mgr;m and consists of 60-80 wt.-% LDPE and 40-20 wt.-% HDPE, a second layer (2) that has a thickness of 10-20 &mgr;m and consists of 100 wt.-% LDPE, an adhesive layer (3) that is arranged on the HDPE-free side of the second layer (2), as well as a carrier material made of paper or polymer film.

Abstract: A multilayer film suitable for cook-in end use includes an outer layer that includes a homo- or co-polymer of propylene and, directly adhered to the outer layer, a layer that includes at least one of: (a) an ethylene/alkyl acrylate copolymer having a high melting point, (b) propylene/&agr;-olefin copolymer having a lower propylene mer content than the outer layer and having a high Vicat softening point, and (c) an ethylene/vinyl acetate copolymer with at least 15% vinyl acetate mer content. The film exhibits good seal strength and good adhesion between the two layers, even in areas where the film is sealed, even after the film is oriented, even when the film is subjected to the elevated temperatures involved in cook-in procedures, and even where the film is subjected to, e.g., grease from fatty foods. The film also can include one or more other layers including, for example, bulk layers, O2-barrier layers, and/or abuse layers.

Abstract: A polyolefin multilayer film containing a polyolefinic core layer and a first polyolefin skin layer of a blend, wherein the first polyolefin skin layer does not contain a thermoplastic or natural rubber and provides a cold seal receptive surface for a cold seal adhesive is disclosed. The blend includes an ethylene propylene random copolymer at 50-90 wt. % of the skin layer and metallocene catalyzed plastomer at 10-50% wt. % of the skin layer, a metallocene catalyzed isotactic polypropylene polymer or a butene propylene copolymer that contains from 5 wt % to 22 wt % of butene.

Abstract: Disclosed is a laminate comprising at least:

Abstract: A bias transfer member or bias charging member for a xerographic device includes a support substrate, and a multi-layer conductive surface coating over the support substrate. The multi-layer coating includes a base layer of metal-containing particles in a polymer binder, an intermediate layer of conductive particles in a polymer binder, and a top layer of conductive particles in a polymer binder, wherein the amount of the conductive particles in the top layer is greater than the amount of the conductive particles in the intermediate layer. The multi-layer coating exhibits ideal electrical and abrasion resistance performance for use in bias charging or transfer members.

Abstract: The olefin thermoplastic elastomer of the invention has an islands-sea structure, in which the average particle diameter of the islands phases is not more than 2 &mgr;m, and has a gel fraction ranging from 0.5 to 15% by weight and a quantity of heat of melt at a temperature of 125° C. or below, as measured in a different scanning calorimeter (DSC), of 40% or more of the total quantity of heat of melt. The olefin thermoplastic elastomer can be obtained by melt blending in the presence of a crosslinking agent of a specific amount a blend that contains specific amounts of: a high density polyethylene having a density of 0.940 g/cm3 or more, or a crystalline ethylene polymer having a crystallinity determined by a DSC method of 10% or more and a density of less than 0.940 g/cm3, an ethylene/&agr;-olefin(/non-conjugated polyene) copolymer rubber comprising ethylene, an &agr;-olefin of 3 to 20 carbon atoms and optionally a non-conjugated polyene, and a polypropylene.

Abstract: An electrochromic element composed of an ionically conductive substance layer containing a specified electrochromic substance sandwiched between two electrically conductive substrates at least one of which is transparent.