Abstract: Dye-receiving elements for thermal dye transfer are disclosed comprising a cellulose fiber paper support having thereon a dye image-receiving layer. The cellulose fibers of the paper support are fibers of hardwood varieties selected from those a) having a length weighted average fiber length equal to or less than about 0.5 mm as measured after pulping and bleaching or b) pulped by the sulfite process. The paper supports have a specific bending stiffness of less than about 0.4 Nm.sup.7 /kg.sup.3 for paper prepared on a continuous Fourdrinier wire machine as measured in the machine direction.

Abstract: A biodegradable paperboard container having an inner moisture resistant barrier coating for storing moist towels.

Abstract: Disclosed is a receiver sheet which comprises a substrate and a coating which comprises a pigment and a binder comprising polyvinyl alcohol and an additional binder component selected from the group consisting of styrene-butadiene latices, cationic polyamines, cationic polyacrylamides, cationic polyethyleneimines, styrene-vinyl pyrrolidone copolymers, styrene-maleic anhydride copolymers, polyvinyl pyrrolidone, vinyl pyrrolidone-vinyl acetate copolymers, and mixtures thereof. When the receiver sheet is a coated paper, the paper substrate has a Hercules sizing degree of at least about 50 seconds and a basis weight of less than about 90 grams per square meter. When the receiver sheet is a transparency, the substrate is substantially transparent. The receiver sheet is particularly suitable for printing with aqueous based inks, such as those employed in ink jet printing systems.

Abstract: An image-forming material is disclosed, which comprises (a) an insulating support having provided thereon (b) an electroconductive layer and (c) a dielectric layer, in this order, the image-forming material being provided with a second dielectric layer on the surface of (c) away from the support, or between (b) and (c), or between (a) and (b), and the second dielectric layer being peelable from an adjacent layer. An image-forming method employing the image-forming material is also disclosed, which comprises steps of forming an electrostatic latent image in accordance with an electric signal, forming a visible image by use of a toner, bringing the face carrying the visible image into contact with a final support, and transferring the visible image together with the dielectric layer or the dielectric layer and the layer(s) further from the support than the dielectric layer by heating and pressing.

Abstract: In the support member for photographic printing paper of the present invention, a white reflective layer is placed on a base material by coating and drying a coating composition, said coating composition contains a white pigment having titanium oxide as principal component and a binder having a copolymer of vinyl chloride - vinyl acetate and maleic acid anhydride soluble in organic solvent and having polymerization degree of 250 or more, said copolymer containing vinyl chloride, vinyl acetate and maleic acid anhydride by component ratio of 20-90 weight %: 5-50 weight %: 2-10 weight %. Thus, the support member can provide photographic image with high resolving power, has high bonding property with base material and silver halide emulsion layer, is easier to produce, and causes discoloring less frequently due to time or heat.

Abstract: A thermal transfer image-receiving sheet capable of receiving clear, uniform colored images without a formation of curls and wrinkles therein, comprising (A) a substrate sheet comprising (a) a core sheet with a thickness of 10 to 300 .mu.m, and (b) at least one polyolefin resin coating layer formed on at least a front surface of the core sheet and having a porosity of 33% or more and a thickness of 20 .mu.m or more and (B) at least one image-receiving resinous layer formed on at least the front resinous coating layer and having a thickness of 10 .mu.m or less.

Abstract: Dye-receiving elements for thermal dye transfer are disclosed comprising a cellulose fiber paper support having thereon a dye image-receiving layer. The cellulose fibers of the paper support are fibers of hardwood varieties selected from those a) having a length weighted average fiber length equal to or less than about 0.5 mm as measured after pulping and bleaching or b) pulped by the sulfite process. The paper supports have a specific bending stiffness of less than about 0.4 Nm.sup.7 /kg.sup.3 for paper prepared on a continuous Fourdrinier wire machine as measured in the machine direction.

Abstract: A photographic paper coated with a polyolefin resin layer on each surface, one of the free surfaces of one of the polyolefin layers bearing a print retaining antistatic layer, the print retaining antistatic layer consisting essentially of an aluminum modified colloidal silica and an antistatic agent in a binder polymer, the binder polymer consisting essentially of an addition product of from about 30 to 78 mol % of an alkyl methacrylate wherein the alkyl group has from 3 to 8 carbon atoms, from about 2 to about 10 mol % of an alkali metal salt of an ethylenically unsaturated sulfonic acid and from 20 to about 65 mol % of a vinyl benzene, the polymer having a glass transition point of from 30.degree. to 65.degree. C.

Abstract: A random copolymer of an .alpha.-olefin having 4 to 12 carbon atoms with an aromatic vinyl monomer containing 50 to 98% by mol of .alpha.-olefin and having a softening point of 40.degree. to 150.degree. C. is useful as a hot-melt adhesive and is excellent in adhesiveness, workability, environmental aging resistances such as thermal aging resistance. The copolymer is combined with 70 to 10% by weight of a tackifier for the whole so that it can be used as a hot-melt adhesive or a heat sealant.

Abstract: A drying cloth for transportation receptacles is disclosed, which cloth is composed of multilayer sheet material, the two outer sides of which are, in each case, formed by an absorbent layer. An intermediate layer which is impermeable to moisture is arranged between the absorbent layers. The two absorbent layers and the impermeable intermediate layer are permanently interconnected to form a composite material.

Abstract: A laminate suitable for use as wrapping or packaging materials for foods and industrial materials is disclosed, which is produced by laminating a thermoplastic resin composition which comprises (1) 10 to 95 % by weight of an ethylene copolymer composed mainly of units derived from ethylene and units derived from an unsaturated carboxylic acid anhydride and (2) 70 to 5 % by weight of a flexible resin having an MFR (190.degree. C.) of 0.1 to 1,000 g/10 min, to one or more kinds of substrates selected from thermoplastic resins, metals, papers, and fabrics. A process for efficiently producing the laminate is also disclosed.

Abstract: A resin coated sheet type photographic support which is made up of a support, which is coated on both sides with a polyolefin resin. On the image forming side, the resin contains a titanium dioxide pigment and a fluorescent agent of an alkyl-substituted 2,2'-(1,4-naphthalenediyl)-dibenzoxazole represented by the structural formula [I]: ##STR1## wherein R' and R" are independently alkyl groups having 9-20 carbon atoms, m and n are independently 0 or positive integers and m+n=1-4. The photographic support has bright whiteness and does not cause color change or bleeding out.

Abstract: The present invention relates to a biodegradable paperboard-based package for various food products. The package utilizes a novel heat-sealable laminate structure wherein the exterior gloss heat-sealable layer is a degradable polymeric resin material such as a polyvinyl alcohol resin or a starch based low density polyethylene polymer resin. Utilization of the material in a novel fashion accelerates the paperboard substrate's degradative properties and tendencies.

Abstract: A laminated paperboard product and a process for making the product and shoe insoles made therefrom. The product is formed of a first layer with a mixture of a predominance of a polyolefin fibers (preferably polyethylene) that has been treated to make it hydrophilic and long fiber softwood pulp, and a second layer formed of a mixture of the polyolefin fiber (again preferably polyethylene) and a predominance long fiber softwood pulp.When made into shoe insoles, the product has a second ply formed of a third and a fourth layer. The third layer has a composition that is similar to the second layer in that the quantity of polyolefin is greater then the quantity of wood pulp and the fourth layer has a composition that is similar to the first layer in that the quantity of polyolefin is less then the quantity of wood pulp.

Abstract: A support for used in photographic printing paper is provided comprising a base paper covered on both sides with polyolefin coating, said base paper being one which has undergone calender treatment between a metallic roll and a synthetic resin roll and then between a metallic roll and another metallic roll.In a preferred embodiment, the calender treatment is performed at the final finishing process. The calender treatment between the metallic roll and the synthetic resin roll is performed in such a manner that the density of the paper is increased to from 0.70 to 1.00 g/cm.sup.3 and the calender treatment between the metallic rolls is performed in such a manner that the density of the paper is increased to from 1.00 to 1.20 g/cm.sup.3. The material of the synthetic resin roll is selected from the group consisting of urethane resin, ebonite resin, nylon resin, aramide resin and isocyanurate resin. The hardness of the synthetic resin roll is from 60 to 90, preferably 75 to 90 in terms of Shore hardness.

Abstract: An improved photographic support, especially useful for color prints, is comprised of a paper base material having thereon a polyolefin coating containing a white pigment and an optical brightener, such as a mixture comprising inclusion compounds of certain fluorescent bis(benzoxazolyl)-stilbenes.

Abstract: The present invention relates to a novel coextrusion coating for paper or paperboard substrates. The coextrusion includes a nonpolar polymer layer and a thin exterior skin layer made up of a nonpolar polymer and a polar copolymer. The addition of the polar polymer improves long term treatment level retention which improves long term wettability for printing and gluing adhesion during package or carton formation.

Abstract: A panel, especially a construction panel, formed from a substantially inflexible cellulosic substrate having a rough or uneven surface is disclosed. The substrate is coated with a layer of a grafted polyolefin and a layer of kraft paper or veneer. The polyolefin is a homopolymer of ethylene or copolymer of ethylene and at least one C.sub.4 -C.sub.10 hydrocarbon alpha-olefin having a melt index of less than 20 dg/min that has been grafted with at least 9 ppm of an ethylenically unsaturated carboxylic acid or anhydride. One-step and multi-step processes for the manufacture of the panels are disclosed. The panels may be painted or coated by other means, and are useful in the construction industry, especially for interior surfaces of buildings. The panels may be formed from cellulosic substrates that may not otherwise be useful for the end-uses of the panels.

Abstract: A photographic printing paper support is described in which a raw paper material is prepared at a neutral pH range using a copolymer-type cationic polyacrylamide in the presence, when required, of an epoxidized higher fatty acid amide, both sides of the raw paper being coated with a polyolefin resin. Based on this production process, the permeation of developing solution into the support at the time of development processing can be sufficiently prevented. Also, wetting on the wire during the manufacture of the support can be improved. With the use of the epoxidized higher fatty acid amide as a sizing agent, the production cost can be reduced significantly.

Abstract: A thermoplastic film comprising a base layer of a thermoplastic resin which comprises polypropylene and a coating layer of an alkali metal salt of an alkyl sulfate is disclosed. The film is characterized by reduced COF and improved anti-blocking characteristics without the attendant problems associated with decreased clarity, adhesion and wettability common to films treated to improve their COF and anti-blocking characteristics. The disclosure also provides a process for making the film in which the polypropylene-coating thermoplastic resin is extruded into a sheet, said sheet oriented in the longitudinal direction to form a monoxially oriented film, said film coated with the alkali metal salt of an alkyl sulfate and said coated film oriented in the transverse direction.

Abstract: Process for applying multi-layer extrusion coatings to substrate at low temperature is described, employing as one extrusion coating layer a defined polyethylene-containing component, and, as the second extrusion coating layer at least one second extrudable polymeric composition. Also provided are novel extrusion coated articles comprising substrate having coated thereon defined polyethylene-containing component and at least one other extrudable polymeric composition. These articles display good adhesion of extrusion coating material to the substrate without the degradation of the extrudable coatings caused by exposure to excessive levels of heat as is required for successful extrusion coating employing prior art materials.

Abstract: A thermal transfer image-receiving sheet for a thermal transfer type printer comprises a sheet substrate, a front coating layer formed on the front surface of the sheet substrate and comprising a polyolefin resin, a polyolefin resin back coating layer formed on the back surface of the sheet substrate, and optionally, a surface coating layer formed on the front coating layer and comprising a resinous binder and a pigment.

Abstract: A laminate providing an effective barrier to migration of essential oils and flavorings and for retention of vitamin C, essential oils and flavor in a juice and cartons made therefrom, wherein the laminate comprises, from the outer surface to the inner surface contacting the juice: an outer polyethylene layer for heat sealing and graphics, a bleached sulfate paperboard substrate, a nylon barrier layer constituting a barrier for oxygen, a first tie layer of modified polyethylene acting as an adherent, another polyethylene layer acting as a heat seal layer and bonded to the nylon barrier layer by the first tie layer, a second tie layer acting as an adherent, and an inner skin layer, which contacts the contents of the carton, which is bonded to the polyethylene layer by the second tie layer, and which may be ethylene vinyl alcohol copolymer (EVOH), polyethylene terephthalate or nylon.

Abstract: A photographic printing paper support is disclosed comprising a base paper having a polyolefin coated on both sides thereof, wherein the base paper is internally sizing-treated with an epoxidized fatty acid amide composition comprising (1) behenic acid or a higher fatty acid mixture having behenic acid as a main component, at least one of diethylenetriamine and triethylenetetramine and (3) epichlorohydrin.

Abstract: An imaging base paper is disclosed having a center raw-base cellulose paper, a front layer of polyolefin laminated to the front side of the center raw-base cellulose paper and a rear layer of polyolefin laminated to the rear side of the center raw-base cellulose paper having areas of a higher gloss level in first regions of the rear side of the imaging base paper and having areas of a lower gloss level in second regions of the rear side of the imaging base paper surrounding the first regions. The gloss difference between the first regions and the second regions on the coated paper amounts to from about 20 to 80, as measured with a measuring head under an angle of 60 degrees, according to standard ASTM D 523.

Abstract: A support for photographic printing paper comprising a water resistant support comprising a raw paper with a polyethylene resin coated on both sides thereof, and a back layer provided on the support, wherein the back layer comprises:(a) colloidal silica;(b) an aqueous dispersion of a styrene-acrylate copolymer as obtained by polymerizing in the presence of a water-soluble polymer; and(c) at least one member selected from the group consisting of a water-soluble polymer compound containing a carboxylic group or a sulfone group, or its salt, and a hydrophilic organic polymer colloid.

Abstract: Barrier coatings are disclosed to reduce the migration of contaminants from paperboard into food products packaged in containers prepared from the paperboard. The barrier coatings operate to either absorb the contaminants or provide a tortuous path to their migration from the paperboard particularly at the high temperatures reached during the cooking of the food products in microwave ovens.

Abstract: A film comprising alternating layers of polyvinylidene chloride resin and a solvent barrier such as polyvinyl alcohol provides superior barrier properties. Barrier and mechanical properties are enhanced when formulation additives are present at customary levels only in the outermost layers.

Abstract: A culture medium device in the form of a sheet comprises a base sheet member composed of an upper sheet having a hydrophilic property such as filter paper, a lower sheet having a water repellent property covering a lower surface of the upper hydrophilic sheet and a sheet member having a water repellent property preferably in the form of a film having a character suitable for bacteria to be treated. A gel agent or gelatinizer containing bacteria culturing nutrient is dispersed on an upper surface of the upper hydrophilic sheet of the base sheet member and the gel agent or gelatinizer is absorbed in the upper hydrophilic sheet and then solidified. The upper water repellent sheet member is applied so as to cover the upper surface of the upper hydrophilic sheet of the base sheet member.

Abstract: A dye image-receiving sheet for thermal transfer printing systems, comprising a substrtate sheet composed of a support paper sheet, a front coated layer comprising a thermoplastic resin, and optionally, a back coated layer comprising a thermoplastic resin; and a dye image-receiving layer comprising a resinous material capable of being dyed with a sublimating dye, and characterized in that the front coating layer has a Bekk smoothness of 100 seconds or more and the substrate sheet has a rigidity of 700 mgf or less.

Abstract: Thermal transfer image reception paper is disclosed which comprises an image reception paper base material constituted by a core material and two sheets of synthetic paper provided on the both sides of the core material, respectively, a dyeable resin layer provided on at least one surface of the image reception paper base material directly or through an intermediate layer; each sheet of said synthetic paper having a composite structure including at least two layers; one of the at least two layers located on the resin layer side being a paper-like layer having fine pores.

Abstract: A synthetic resin laminated paper is disclosed which comprises a synthetic resin film layer and a paper layer, the improvement wherein an adhesion-release control agent layer is interposed between the film layer and said paper layer. The synthetic resin laminated paper of the present invention can be easily separated into a laminated film and a paper by a mechanical treatment within a shortened period of time with minimum consumption of energy. Moreover, the pulverization of the laminated film is prevented and thus operation efficiency of separation is enhanced.

Abstract: An imagable copy film comprises a film substrate of a thermoplastics polymeric material with a percentage thermal expansion in the film widthwise direction (TD) at 150.degree. C. of 0.01 to 1.0%, and a percentage thermal shrinkage in the film lengthwise direction (MD) at 150.degree. C. of 0.4 to 2.0%. The substrate has a receiving layer on at least one surface thereof, comprising an acrylic and/or methacrylic resin.

Abstract: Photographic base paper comprising a surface ply 1 of photographic grade paper and at least one backing ply 3 of a stronger paper such as a kraft paper provides smoothness and rigidity at least as good as conventional wholly photographic grade paper at reduced raw materials cost. Preferred weight of the surface ply is a range of from 20 to 50 gm.sup.-2.The paper can be made on a two-wire Fourdrinier machine (FIG. 5) or on a single wire machine with a secondary headbox (FIGS. 6 and 7).

Abstract: Lidding of a sealant layer adhered to a substrate is provided wherein the sealant layer is a blend of ethylene/unsaturated ester copolymer with ethylene/unsaturated acid/unsaturated ester terpolymer, and wherein the sealant layer provides a peel strength of 500 to 2200 g/cm.sup.2 to a wide variety of container materials, with the peel strength being substantially insensitive to operating variations in seal temperature, and the sealant layer has a higher cohesive strength than the peel strength of its seal to the container material.

Abstract: Imaging paper having randomly distributed fibers and uniformly dispersed throughout unexpanded synthetic thermoplastic polymeric microspheres, a method of preparation and a method of imparting an image thereto.

Abstract: A heat-sealable paperboard laminate for liquid packaging which does not transmit nor absorb oxygen or flavor and odor ingredients comprises paperboard sandwiched between two layers of heat-sealable low density polyethylene polymer (LDPE) and including a three-component product-contact barrier layer coextruded onto the inner layer of LDPE. The barrier layer comprises ethylene vinyl alcohol copolymer (EVOH)/a tie layer (Plexar 177 or 175)/ low density polyethylene polymer (LDPE).

Abstract: Thermal transfer image reception paper is disclosed which comprises an image recpetion paper base material constituted by a core material and two sheets of synthetic paper provided on the both sides of the core material, respectively; a dyeable resin layer provided on at least one surface of the image reception paper base material directly or through an intermediate layer; and each sheet of said synthetic paper having a single layer structure composed of a paper-like layer having fine pores.

Abstract: The present invention provides a photographic support which comprises a base paper and polyolefin resin layers provided on both sides of the base paper by extrusion coating of molten polyolefin resins, wherein the polyolefin resin layer provided on the side of the base paper opposite to the side to be coated with photographic emulsion layer has multi-layer construction and a method for producing the photographic support. This photographic support is excellent in anticurl properties and adhesion between the base paper and the resin layer.

Abstract: A thermal transfer image receiving material comprising a support having thereon at least one image receiving layer which can accept a dye to form an image, the dye migrating from a thermal transfer dye providing material when heated, wherein the material contains at least one layer on the image receiving layer-side of the support which contains fine solid particles of a fluorine compound and silicone oil.

Abstract: The invention relates to image receiving material for dye diffusion thermal transfer comprising a polyolefin coated base paper the front side of which has been coated with a receiving layer which comprises a combination of an acrylate copolymer containing polar groups and an oxidized polyethylene as a dye receiving resin.

Abstract: Disclosed herein is a monoaxially or biaxially stretched film comprising principally of a linear polyethylene and capable of reduction of thickness to a greater extent than possible with the conventional films of this type.The film according to the present invention, though incomparably small in thickness, has excellent impact strength, stiffness, tensile strength and tear strength and can be favorably utilized as a film for packaging bags used for packaging relatively heavy commodities.

Abstract: A multilayer laminated film useful in chub packaging comprises a core film comprising a biaxially oriented film, and an outer hot blown film bonded to each of the opposing surfaces of the core layer, at least one of the films including a layer of an oxygen barrier polymeric material.

Abstract: A water-resistant photographic paper support comprises a base paper, coated on both sides with polyolefin, internally sized by the application of a hydrophobizing sizing agent, and surface-treated with an aqueous coating mass, which contains an anionic polyacrylamide and an oxidized starch as well as a soluble salt of an alkali metal or an alkali earth metal.

Abstract: A photographic support consisting essentially of base paper and a polyolefin resin with which both sides of the base paper are coated, the base paper having a standard deviation of the weight variation caused by a wire mark formed on the base paper of 1.0 g/m.sup.2 or less and a standard deviation of the weight variation caused by the dispersibility of pulp fiber composing the base paper of 8.0 g/m.sup.2 or less. The photographic support has an excellent smoothness.

Abstract: A laminated film comprising(A) a base layer of a polymer based on 4-methyl-1-pentene;(B) provided on at least one side of the base layer, an interlayer of an .alpha.-olefin copolymer comprising 10-85 mole % of propylene, 3-60 mole % of 1-butene and 10-85 mole % of .alpha.-olefin having 5 or more carbon atoms, a degree of crystallininty of the copolymer as measured by X-ray diffractometry being 20% or less; and(C) provided on the interlayer, a heat-sealable layer of an .alpha.-olefin polymer material predominantly comprising an .alpha.-olefin having 2 to 4 carbon atoms.

Abstract: A photographic paper having a print retaining layer including a granular tooth providing ingredient in a binder polymer having a T.sub.g of 30.degree. to 65.degree. C. which is the addition product of from about 30 to about 98 mol percent of an alkylmethacrylate wherein the alkyl group has from 3 to 8 carbon atoms, from about 2 to about 10 mol percent of an alkali metal salt of a ethylenically unsaturated sulfonic or carboxylic acid, from 0 to about 65 mol percent of a vinyl benzene monomer and from 0 to about 5 mol percent of a crosslinking agent containing two ethylenically unsaturated bonds.

Abstract: A multilayered structural article having improved resistance to delamination and having a reduced coefficient of linear thermal expansion (CLTE) relative to that of the thermoplastic resin(s) employed in its preparation comprises a core layer of a highly filled composite paper having outer layers of thermoplastic resin adhered thereto.

Abstract: Film or sheets and a laminar structure fabricated from blends of an ethylene-carboxylic acid copolymer, a butene-1 homopolymer or copolymer, and an ethylene homopolymer or an ethylene unsaturated ester copolymer.

Abstract: A thermal transfer image receiving material is described, comprising a support of a paper comprising natural pulp as a principal component and having thereon a laminate layer of a thickness from 5 to 35 .mu.m comprising a polyolefin resin as a principal component.