Abstract: The present invention relates to papers and cardboard products suitable for laser marking which are characterized in that as absorbing agents they contain inorganic, platelet-shaped substrates with a particle size of between 1 and 60 &mgr;m. The invention further relates to a method for producing papers and cardboard products suitable for laser marking, as well as their use for packaging materials, bank notes and securities. security paper and graphic products.

Abstract: A curl-resistant, antislip abrasive backing which includes a polymer-reinforced paper having a first surface and a second surface; a synthetic polymeric layer bonded to the first surface; and an amorphous, rubbery polymer film layer bonded to the second surface. Also provided is a curl-resistant, antislip abrasive paper which includes a polymer-reinforced paper having a first surface and a second surface; a synthetic polymeric layer bonded to the first surface; a layer of abrasive particles bonded to the synthetic polymer layer; and an amorphous, rubbery polymer film layer bonded to the second surface. By way of examples, the amorphous, rubbery polymer may be a polyester elastomer or an amorphous, rubbery polypropylene.

Abstract: Disclosed herein is a release paper comprising:

Abstract: A coated transfer sheet comprising a substrate having a first and second surface; optionally at least one barrier layer overlaying said first surface, at least one release layer overlaying said at least one barrier layer or, when the barrier layer is not present, said first surface of the substrate; and an optional image receiving layer comprising an ethylene acrylic acid co-polymer dispersion; wherein the coated transfer sheet exhibits cold peel and hot peel properties when transferred, and may be used in electrostatic printers and copiers or other devices in which toner particles are imagewise applied to a substrate. The addition of elastomeric polymers and polyurethanes help provide enhanced wash stability and chemical stability.

Abstract: Provided is a color electrophotographic image receiving material comprising a substrate and a toner image receiving layer provided on at least one surface of said substrate, wherein the substrate comprises a base paper and a 5 to 30 &mgr;m thick resin layer having a water vapor permeability not higher than 30 g/(m2·24 hr) provided on both surfaces of the base paper, the image receiving layer has a thickness of 3 to 50 &mgr;m, and the flow beginning temperature of the image receiving layer TFR and that of the toner TFT satisfy the following relationship: TFR≦TFT+5° C.

Abstract: A method of producing a packaging laminate for aseptic packages of the type which is produced in that a web of the packaging laminate is, for the purpose of sterilization, led through a bath of hydrogen peroxide prior to the reforming of the web into aseptic packages. The packaging material is produced in that a web of paper which has, on the one side of the web, an applied outer coating of plastic, is, for the purpose of promoting adhesion, subjected to a surface treatment changing polarity, where after the treated outer plastic coating is provided with a decor of water-based printing ink which is applied in the desired pattern on the outside of the outer plastic coating.

Abstract: This invention provides a packaging material for a photographic photosensitive material having a conductive light-shielding thermoplastic resin film layer which comprises a resin composition comprising 3 to 49 wt. % of a thermoplastic elastomer having a crystallinity of 40% or less measured by the X-ray diffraction method, 0.01 to 10 wt. % of lubricant, and 1 to 70 wt. % of carbon black which is acetylene carbon black or furnace carbon black, which is excellent in the dispersion of carbon black to improve light-shielding ability and rare generation of lumps and microgrits, heat sealing properties, small degradation of physical strength, film moldability, etc.

Abstract: A composite material comprises a first wood component of substantially axially aligned wood chips having a first size range and being distributed throughout the composite material in a first discontinuous phase, a second wood component of wood particles having a second size range and being distributed between the wood chips in a second discontinuous phase, the second size range being distinct from the first size range and having substantially smaller values than the first size range, and a thermoplastic polymer component encapsulating the wood chips and the wood particles and forming a continuous phase extending throughout the composite material. The wood chips constitute from about 100 to about 0 weight percent of a total weight of the first and second wood components and the wood particles constitute from about 0 to about 100 weight percent of the total weight of the first and second wood components.

Abstract: A laminated structure for forming architectural products includes an unstable wood core that has a laminate on its inner or room facing side that provides a selected interior design such as wood veneer. This laminate is secured to the core by an adhesive that limits a moisture penetration of approximately 5 gms/sq.mtr/hr. or less. Either polyurethane hotmelt or polyolefin hotmelt are useful as the adhesive. Such interior moisture barrier is combined with an outer surface that also comprises a moisture barrier such as by the above adhesives, or by a liquid coating, cladding, or a resin saturated paper overlay.

Abstract: The present invention relates to polymers whitened with optical brighteners obtained by (a) emulsion polymerization of acrylonitrile with or without a comonomer in the presence or absence of a graftable substrate, and (b) addition of an optical brightener before, during, or after the emulsion polymerization.

Abstract: The present invention is a cellulosic, inorganic-filled plastic composite. The composite includes about 30% to about 70% by weight of the composite of cellulosic material, about 1% to about 20% by weight of the composite of talc, and about 25% to about 40% by weight of the composite of polyethylene. An extruded article and a method of making the cellulosic, inorganic-filled plastic composite are also disclosed.

Abstract: The invention relates to an imaging member comprising a base wherein said base comprises at least one layer of heat shrinkable sheet and at least one strength layer.

Abstract: A thermoplastic polyolefin composition suitable for use as a coating for a photographic support includes an optical brightener and a polar additive. The polar additive substantially compatibilizes the polar optical brightener with the non-polar polyolefin. A method for adding a polar additive to a polyolefin is also disclosed.

Abstract: The invention is directed to a process for the preparation of polymer laminated base paper, said process comprising laminating a base paper web on at least one side thereof with at least one polymer layer by extrusion-coating at a coating speed of 300 m/min or more, wherein the said base paper web is heated prior to laminating.

Abstract: Provided is a color electrophotographic image receiving material comprising a substrate and a toner image receiving layer provided on at least one surface of said substrate, wherein the substrate comprises a base paper and a 5 to 30 &mgr;m thick resin layer having a water vapor permeability not higher than 30 g/(m2·24 hr) provided on both surfaces of the base paper, the image receiving layer has a thickness of 3 to 50 &mgr;m, and the flow beginning temperature of the image receiving layer TFR and that of the toner TFT satisfy the following relationship:

Abstract: The present invention relates to polymers whitened with optical brighteners obtained by

Abstract: The invention relates to an imaging element comprising a paper base, one layer of biaxially oriented polyolefin sheet and at least one image layer wherein said paper base sheet has a basis weight of between 40 and 120 g/m2, and said biaxially oriented polyolefin sheet has a spectral transmission of at least 40% and a reflection density less than 60%.

Abstract: A polybutylene-based hot melt adhesive composition having a variety of end uses, particularly in construction and elastic attachment applications on nonwoven disposable articles. Unlike typical hot melt adhesives, the present composition can withstand exposure to emollients such as mineral oil and other oil-based ointments without experiencing catastrophic bond failure. The composition includes a polybutylene-based polymer or a mixture of a polybutylene-based polymer and a polyalphaolefin polymer, a tackifier resin, a plasticizer, a wax and a stabilizer. The hot melt adhesive composition can be applied using common application techniques such as extruding or spraying.

Abstract: A lithographic layer for a printing blanket and the printing offset blanket incorporating same, wherein the lithographic layer is made from a thermoplastic material with a polar character providing a maximum transfer of printing ink from the blanket to the paper and is easily washable thereby resulting in a minimum ink consumption.

Abstract: A coated abrasive sheet material comprising (a) a backing substrate having at least one major surface, (b) a plurality of abrasive grains, (c) a binder bonding said plurality of abrasive grains to said at least one major surface of the backing substrate, wherein the backing substrate comprises paper having a basis weight of less than about 200 g/m.sup.2 which is essentially free of latex saturants and has on said at least one major surface with the plurality of abrasive grains, one or more extruded layers of a thermoplastic polymer, and a method of making the coated abrasive sheet material.

Abstract: The invention relates to a photographic element comprising a paper base, at least one photosensitive silver halide layer, a biaxially oriented polymer sheet between said paper base and said silver halide layer, wherein said polymer sheet has a thickness of between 13 microns and 65 microns and a Young's modulus of between 700 and 5200 MPa wherein said base paper has a Young's modulus between 1380 MPa and 13800 MPa, a thickness between 75 microns and 200 microns, and an average roughness on the emulsion side of between 0.18 and 0.68 microns and wherein the ratio of thickness between said polymer sheet and said base paper is between 0.1 and 0.5.

Abstract: A granulate of wood or some other cellulose-containing material, pieces or particles of said material being at least partially esterified with 10-50% of a dicarboxylic acid anhydride and then impregnated with 2-25% of a polyol, the granulate being stable in storage and being possible to hot press or hot form later. A method for preparing the granulate by esterification at 80-160.degree. C. and, subsequently, impregnation at 150.degree. C. at most. A method for manufacturing formed articles by hot pressing or hot forming of the granulate, without the presence of a formaldehyde-containing adhesive and preferably without the presence of any other type of adhesive.

Abstract: The invention concerns a plastics-paper composite which substantially consists of a paper layer, a polypropylene layer and a polyester layer, the polyester layer forming one of the two surface layers of the plastics-paper composite. This plastics-paper composite is used to produce weatherproof laminated sheets with surface protection, an acrylate layer being applied to the polyester layer of the plastics-paper composite. This composite is stacked on one or both sides with a plurality of papers impregnated with synthetic resin to form a stack, the acrylate layer lying against the outermost paper layer(s). This stack is then pressed at high pressure and high temperature. For use, the surface protection is removed from the acrylate layer as from the polyester layer.

Abstract: This invention relates to a process of preparing a dye-receiving element for thermal dye transfer comprising:a) applying to a support on the front side thereof a dye image-receiving layer;b) laminating to the back side of the support a polyolefin layer; andc) subjecting the polyolefin layer to a corona discharge treatment and not applying any subsequent layers thereover.

Abstract: A low melt viscosity hot melt pressure sensitive adhesive composition having enhanced tack properties is provided. The composition is based on an S-I-S block copolymer having polystyrene and polyisoprene block segments blended with a petroleum tackier resin which is the Friedel Crafts polymerization product of (i) a cracked petroleum feed containing C.sub.5 olefins and diolefins or a mixture of C.sub.5 and C.sub.6 olefins and dioelefins copolymerized with (ii) from about 5 to 15% by weight of a monovinyl aromatic monomer having 8 or 9 carbon atoms, e.g., styrene. The composition optionally also includes a polystyrene--polyisoprene diblock copolymer and a processing oil. The composition may be readily applied as solvent-free melt to various substrates using coating die technology because of its low melt viscosity at coating temperatures.

Abstract: A packaging film which comprisesa) a sealing ply comprising a mixture ofa.sub.1) 40 to 80% by weight of a C.sub.2 -C.sub.3 random copolymer having a C.sub.2 content of 1-15% by weight ora.sub.2) 40 to 80% by weight of a polymer blend consisting ofa.sub.2.1) 60 to 98% by weight of a crystalline copolymer of propylene with ethylene and/or an .alpha.-olefin of the general formula CH.sub.2 =CHR, where R is a linear or branched alkyl radical having 2-8 carbon atoms, containing 85-99.5% by weight of propylene, anda.sub.2.2) 2 to 40% by weight of a resilient copolymer of ethylene with propylene and/or an .alpha.-olefin of the general formula CH.sub.2 =CHR, containing 20-70% by weight of ethylene, ora.sub.3) 40 to 80% by weight of a highly amorphous polypropylene having a crystalline polypropylene fraction of up to 10% by weight with an enthalpy of fusion of not more than 40 J/g and a melt flow index between 0.

Abstract: This invention provides a polyolefinic multilayer film which has a base layer containing polypropylene and at least one outer layer. The outer layer contains at least 50% by weight of a propylene/butylene resin composition. The propylene/butylene resin composition has a low degree of crystallinity and is modified by a surface treatment, e.g. corona treatment. The surface treatment raises the minimum heat-sealing temperature to the range of 85.degree. to 110.degree. C. and unexpectedly reduces the film's tendency to block. The resulting multilayer film is useful in packaging.

Abstract: A paper-film laminate sealing tape for sealing a corrugated board carton or other article fabricated of recyclable material. The tape is composed of a base ply formed of high-strength, oriented synthetic plastic film whose opposing surfaces are corona-discharge treated to render them wettable and receptive to adhesives, and a paper face ply adhesively laminated to the base ply. The exposed surface of the base plastic-film ply is coated with a water-remoistenable adhesive, so that when this adhesive is moistened in a tape dispenser, the sealing tape can then be adhered to the carton. Since the remoistenable adhesive is coated on the plastic film ply which is water-impermeable, when this adhesive is moistened with water it remains in a moistened state in a condition to be applied to the carton for a relatively long "open-time" period.

Abstract: A latex binder composition comprises occluded composite particles containing at least a vinyl ester homopolymer or a copolymer thereof polymerized from acrylate and/or ethylene monomers, and a polymer polymerized from conjugated diene and/or vinyl substituted aromatic monomers and desirably unsaturated carboxylic acid monomers. The occluded composite particles are produced in the absence of crosslinking agents by first polymerizing the vinyl esters and optional acrylate and/or ethylene monomers, and subsequently in situ polymerizing the conjugated diene and/or vinyl substituted aromatic, etc., monomers in the presence of the vinyl ester latex particles. The occluded composite-particle latex contains phase separated domains which are neither a core-shell nor an inverted core-shell particle and provide properties which are superior to physical blends of the two classes of polymers when utilized as binders in paper coating formulations.

Abstract: The present invention provides a decorative lighting paper in which the printed matter can be easily discerned with clarity whether viewed with transmitted light or reflected light, and a method of manufacturing the said paper thereof. The paper according to the present invention comprises a substrate and a coating layer formed on at least one side of the substrate, the overall opacity of the paper being in the range of 50-75%, the brightness as measured from the one side is 80% or more, and the luster of the paper is 5-23%.

Abstract: The invention relates to a multi-layer product, in particular for producing containers, comprising a layer formed of a fiber-based packing material on one surface of which a gas-tight multi-layer plastic coating is arranged. To prevent the formation of microholes, the gas-tight multi-layer plastic coating is formed of superposed 1-4 g/m.sup.2 barrier plastic layer, 1-4 g/m.sup.2 binder layer, and surface layer of a heat-sealable polyolefin material having sufficient thickness for liquid-tight heat sealing, so that the barrier plastic layer is the closest of said layers to the fiber-based packing material layer.

Abstract: In a hot melt adhesive comprising a thermoplastic block copolymer containing a block copolymer represented by formula (1) shown below (component A), tackifier (component B), diluent (component C) and stabilizer (component D), the content of component (A) is 10 to 40% by weight, the content of component (B) is 30 to 70% by weight, the content of component (C) is 30% by weight or less, and the content of component (D) is 0.1 to 4% by weight, all based on the total amount of said hot melt adhesive.A.sub.1 -B-A.sub.2 (1)wherein A.sub.1 and A.sub.2 are aromatic vinyl copolymer blocks having different molecular weights, and B is a conjugated diene polymer or hydrogenated derivative thereof;Accordingly, the hot melt adhesive described above not only fulfills the basic requirements such as adhesiveness to a polyolefin film, stability, holding ability and low cost, but also exhibits an excellent low temperature adhesiveness and satisfactory handling during spray coating process.

Abstract: A composite construction material comprises consecutive laminae of a kraft linerboard optionally coated with a sealant, a layer of polymer, a plurality of superposed layers of water-resistant paperboard adhered together, a second layer of polymer, and a second layer of kraft linerboard.

Abstract: The present invention in broadest terms includes plastic composites comprising at least two layers comprising: (1) a first layer comprising a polymeric blend comprising at least one fluoropolymer and at least one polymeric material selected from the group consisting of terpolymers; and (2) at least one substrate material.

Abstract: The present invention provides a novel multi-arm block copolymer, a novel pressure-sensitive adhesive made from a multi-arm elastomeric block copolymer, and a novel tape made therefrom. The multi-arm block copolymer has the general structure (A-B).sub.m Y(C-D).sub.n wherein A, B, C and D are polymer segments; Y is a residue of a multifunctional coupling agent; and m and n are the number of arms, where m and n are greater than 0 and the sum of m plus n is at least 3. A comprises a random copolymer of a monoalkenylarene and a conjugated diene; B and C comprise either a homopolymer of a conjugated diene or a polymer of two or more conjugated dienes; D comprises either a homopolymer of a monoalkenylarene or a copolymer of a monoalkenylarene and a conjugated diene wherein the Tg of D is greater than the Tg of A; and the weight percent of monoalkenylarene in the block copolymer is 40% or less.

Abstract: Disclosed is a laminated film or sheet comprising poly-4-methyl-1-pentene laminated on a paper layer. By using poly-4-methyl-1-pentene having a low melting point, formation of cracks and other defects in the resin layer is prevented and the oil and fat impermeability is improved. If an intermediate layer of a specific polymer is formed in addition to the poly-4-methyl-1-pentene layer, the oil and fat impermeability is further improved. A box-shaped vessel (carton) and a release paper for an artificial leather can be prepared from this laminated film or sheet.

Abstract: A power coating composition comprises at least one film-forming polymeric material and has dry-blended therewith two or more dry-blended additives selected from solid, particulate, inorganic, water-insoluble materials which may be ceramic or mineral materials and/or may be oxides, mixed oxides, hydrated oxides, hydroxides, oxide-hydroxides or oxysalts of metals and metalloids, at least 95% by volume of the powder coating composition having a particle size not exceeding 50 microns.

Abstract: An oriented multilayer polyolefin film which comprises a base layer containing polypropylene, and at least one heat-sealable outer layer. In one embodiment, the base layer contains a tertiary aliphatic amine and an amide of a water-insoluble carboxylic acid having 8 to 24 carbon atoms and the heat-sealable outer layer contains SiO.sub.2. The multilayer film is essentially free from silicone oil and is useful, for example, as a packaging film.

Abstract: A method for adhesively bonding opposed paperboard surfaces to each other to form a strengthened bond in a paperboard product and paperboard products formed thereof, comprising the steps of (A) applying a green-strength adhesive to at least a portion of the first paperboard surface; (B) applying a styrene-butadiene latex adhesive or a modified styrene-butadiene latex adhesive as a strengthening adhesive to at least a portion of either the first or the second paperboard surface such that the green-strength adhesive is substantially offset from the strengthening adhesive when the first and second paperboard surfaces are positioned in an opposed relationship; (C) orienting the first and second paperboard surfaces such that they are opposed to each other: and (D) contacting the first and second surfaces together to form the strengthened bond.

Abstract: The present invention is directed to producing a smooth hard coating on a wood substrate. A layer of a foamed polymerized latex emulsion is applied on the surface of a wood substrate, such as an oriented strand board. The layer is dried, crushed and then cured to form the orating. If desired the cured coating may be provided with a post cure heat treatment to improve its hardness. The present invention is also directed to applying and drying the layer of the foamed polymerized latex emulsion on a mat of wood fibers or flakes and then crushing and curing the crushed layer and the mat into a hardboard having a smooth hard coating. The coating of the present invention is useful as a sealer coat on a wood substrate. By adding pigment to polymerized emulsion, the sealer coat can be used to provide a finish coat on the wood substrate.

Abstract: This invention is directed to a waterborne polyolefin composition which is useful as an adhesion promotor and is prepared by emulsifying non-oxidized, non-maleated, non-chlorinated, crystalline polyolefins and non-chlorinated, maleated, amorphous polyolefins in the presence of a surfactant, an amine and water.

Abstract: A facing for wall board such as sheet rock, adapted to reinforce the board as well as to enhance its thermal barrier and acoustic characteristics. The facing is a laminate sheeting formed by a paper ply cold-laminated to a synthetic plastic oriented film ply, the opposing surfaces of the film ply being corona-discharge treated to render them receptive to adhesives. The exposed surface of the film ply is coated with a water moistenable adhesive, so that when this coating is moistened, the facing may then be adhered to the wall board to reinforce the board and to impart sound absorbing and decorative properties thereto. The film ply or the paperply in the facing is metalized to reflect infrared rays and thereby reduce the transfer of thermal energy through the board.

Abstract: A process of pre-finishing wood composite panels and/or structures having flat and contoured surfaces to result in a structure exhibiting the appearance of natural hard wood includes the steps of (1) providing a textured substrate; (2) applying a ground coat to the substrate; (3) applying a buffing glaze to the substrate; (4) selectively removing a portion of the buffing glaze from the substrate; and (5) applying a sealer to retain the remaining buffing glaze in textured ticks of the substrate.

Abstract: Disclosed is a novel polyethylene composition that is a blend of a polyethylene component having defined properties, a specific quantity of a defined tackifying resin and a very specific minute quantity of a unique amide of a fatty acid. The novel composition can be used in a process for extrusion coating at high speeds and relatively low extrusion coating temperatures with good adhesion to the substrate and dramatically improved chill roll release.

Abstract: Paperboard packaging for non-refrigerated liquid products and for dry products contains a buried polyvinyl alcohol copolymer (PVOH) barrier layer which has a low oxygen permeability particularly at low relative humidity, and outer heat-sealable surfaces which provide good resistance to moisture penetration and a means for fabricating the packaging.

Abstract: An improved oxygen barrier layer for coating a substrate, such as a polymeric film. The oxygen barrier is a layer of cross-linked polyvinyl alcohol and glyoxal, which exhibits improved barrier characteristics to the transmission of oxygen. The oxygen barrier is produced by coating a solution of polyvinyl alcohol, glyoxal and tensoactive agent onto at least one side of a substrate adapted for receipt of such solution. The polyvinyl alcohol is thereafter cross-linked in the absence of a catalyst to provide the oxygen barrier.

Abstract: The present invention relates to multilayer wood veneer composite laminates, the outermost layer of which is a natural wood veneer, and the substrate of which is a plurality of layers of cellulose-containing plastic sheets, and a method to make the composite laminate. The composite laminate according to the present has the look, feel, heft, and sound when struck of natural wood. The method has a very short cycle time, which increases the utilization of capital equipment, and includes the steps of laying-up the substrate layers, pre-heating the substrate layers, applying adhesive to the bottom surface of the outer layer or layers, laying-up the outer layer(s) on the pre-heated substrate layers, and cold pressing the layers in a compression die. The laminate is then de-molded. If a metal die is utilized, the laminate will be cool upon de-molding.

Abstract: Disclosed is a laminated film or sheet comprising poly-4-methyl-1-pentene laminated on a paper layer. By using poly-4-methyl-1-pentene having a low melting point, formation of cracks and other defects in the resin layer is prevented and the oil and fat impermeability is improved. If an intermediate layer of a specific polymer is formed in addition to the poly-4-methyl-1-pentene layer, the oil and fat impermeability is further improved. A box-shaped vessel (carton) and a release paper for an artificial leather can be prepared from this laminated film or sheet.

Abstract: A method for adhesively bonding opposed paperboard surfaces to each other to form a strengthened bond in a paperboard product and paperboard products formed thereof, comprising the steps of (A) applying a green-strength adhesive to at least a portion of the first paperboard surface; (B) applying a styrene-butadiene latex adhesive or a modified styrene-butadiene latex adhesive as a strengthening adhesive to at least a portion of either the first or the second paperboard surface such that the green-strength adhesive is substantially offset from the strengthening adhesive when the first and second paperboard surfaces are positioned in an opposed relationship; (C) orienting the first and second paperboard surfaces such that they are opposed to each other; and (D) contacting the first and second surfaces together to form the strengthened bond.

Abstract: An end paper for permanent waving of hair has a gripping strip of hook-type projections applied to the edge of the end paper. The gripping strip allows for the perming of short coarse hair, and the use of larger rollers than otherwise could be used for short hair. The gripping strip is sewn or affixed onto the end paper.