Abstract: A photographic printing paper support wherein one side of the raw paper is covered by a composition containing titanium oxide dispersed in polyethylene terephthalate resin or a mixture of polyethylene terephthalate and another resin, and the other side is covered by a composition containing calcium carbonate dispersed in polyethylene terephthalate resin or a mixture of polyethylene terephthalate with another resin, which can provide an excellent photographic paper having good water resistance, whightness and gloss is disclosed.

Abstract: A polyester film useful for producing a thin metallic film magnetic recording medium. The film is biaxially oriented polyester film which is composed of (1) a biaxially oriented base film of aromatic polyester prepared by use of an organotitanium compound as the polymerization catalyst, (2) a first continuous thin film which is provided on one surface of the base film and on which a thin metallic film magnetic recording layer is to be formed, (3) a second continuous thin film which is provided on the other surface of said base film to form a surface with a friction coefficient of 0.6 or less.

Abstract: The invention provides novel polyesters, fibers and films, nonwovens from the fibers and disposable products of the polyesters such as diapers. The products are degradable under the conditions typically existing in waste compositing processes, have low ingredient costs and yet provide strength and toughness properties adequate for end uses such as in disposable diapers. The polyesters are based upon polyester ingredients, such as polyethylene terephthalate, copolymerized with an alkali metal or alkaline earth metal 4-sulfophthalic acid derivative, and other ingredients, such as polyethylene ether glycols and/or non-aromatic diacids, such as adipic and glutaric acids.

Abstract: Disclosed is a method of providing a thin copolyester coating on paper wherein the coating has good peel strength which comprises extruding a film of copolyester onto paper to form a coated sheet and passing the paper through a nip formed by a pair of cooperating chill and pressure rolls, wherein the copolyester consists essentially of repeat units from terephthalic acid, ethylene glycol, about 1.5-20 mol % of an aliphatic or cycloaliphatic glycol having 2 to 10 carbon atoms, and 0 to about 1.0 mol % of a polyfunctional branching agent. Also disclosed is the coated paper prepared by this method.

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

Abstract: A laminated wooden board product comprising a plurality of adjacent wooden sheets laid onto each other to form a laminate and an adhesive bonding material positioned between adjacent wooden sheets and adhered to the adjacent sheets under heat and pressure to permanently secure the adjacent sheets together. The adhesive bonding material is a low melt polyester.

Abstract: An image-receptive heat transfer paper which includes: (a) a flexible cellulosic nonwoven web base sheet having top and bottom surfaces; and (b) an image-receptive melt-transfer film layer overlaying the top surface of the base sheet, which image-receptive melt-transfer film layer is composed of a thermoplastic polymer which melts in the range of from about 65 to about 180 degrees Celsius. Alternatively, the image-receptive melt-transfer film layer is replaced with a melt-transfer film layer overlaying the top surface of the nonwoven web and composed of a first thermoplastic polymer which melts in the range of from about 65 to about 180 degrees Celsius, and an image-receptive film layer overlaying the melt-transfer film layer and composed of a second thermoplastic polymer which melts in the range of from about 65 to about 180 degrees Celsius.

Abstract: An unsaturated polyester resin composition comprising:(a) 30 to 99% by weight of an unsaturated polyester resin comprising a crosslinking monomer and an unsaturated alkyd obtained by reacting at least dicyclopentadiene (hereinafter abbreviated as "DCPD"), an unsaturated polycarboxylic acid and a polyhydric alcohol, and(b) 1 to 70% by weight of a hardness adjusting unsaturated polyester resin.Sheets of base material can be impregnated with the resin composition effectively to give a laminate which is satisfactorily punchable at low temperatures and yet has high resistance to thermal softening and outstanding electrical characteristics.

Abstract: Disclosed herein is a printed laminate comprising a printed matter and a polyester film having at least on its outer air side a coating layer composed of a water-soluble or water-dispersible resin and a lubricant, said polyester film being laminated on the printing surface of said printed matter.

Abstract: Decorative laminates which provide a decorative effect similar to that of marble or synthetic marble are achieved by constructing the core from sheets having a very low opacity. These sheets are prepared from bleached Kraft pulp and do not contain titanium dioxide or other opacifying pigments. The core sheets are saturated with resins such as melamine formaldehyde, polyester or epoxy resin. These saturating resins approximately match the refractive index of the bleached Kraft pulp and provide a translucent effect. Core sheets may be assembled with conventional decor sheets and an abrasion-resistant overlay to provide decorative laminates. Due to the translucent nature of the core, the color of the decor sheets is shown throughout the thickness of the laminate. This results in a uniquely decorative edge.

Abstract: An image-receptive heat transfer paper which includes: (a) a flexible cellulosic nonwoven web base sheet having top and bottom surfaces; and (b) an image-receptive melt-transfer film layer overlaying the top surface of the base sheet, which film layer is composed of from about 15 to about 80 percent by weight of a film-forming binder and from about 85 to about 20 percent by weight of a powdered thermoplastic polymer, wherein each of the film-forming binder and the powdered thermoplastic polymer melts in the range of from about 65 to about 180 degrees Celsius and the powdered thermoplastic polymer consists of particles which are from about 2 to about 50 micrometers in diameter.

Abstract: A protective coating for wood comprising a) an undercoat which penetrates the surface of the wood and contains a phenolic antioxidant, and b) a conventional top coat. The top coat preferably contains a light stabiliser.

Abstract: A composite molded article comprising a layer 5 made of a synthetic resin on which is laminated a surface material 1 having a construction such that wood veneers 3 and 4 are laminated on the surfaces of a metal sheet 2. A method for molding a composite molded article comprises the steps of: arranging, in a metal mold 7 for molding, a surface material 1 which has a construction such that wood veneers 3 and 4 are laminated on each surface of a metal sheet 2; and molding a synthetic resin 5 on a backside of the surface material 1 to integrate the surface material 1 with the synthetic resin 5.

Abstract: A compression formed panel of a wood fiber board and a plastic resin means impregnated into the wood fiber board for maintaining the shape of said door core or panel after compression, and a method for making same requiring either a catalyst that causes the plastic resin to set at a temperature in excess of 100.degree. Celsius, or a catalyst that causes the plastic resin to set or polymerize at a temperature lower than 100.degree. Celsius.

Abstract: The invention provides novel blends of starch with polyesters, and shaped articles of such blends, including fibers, foams and films, nonwovens from the fibers and disposable products such as diapers. The products are degradable under the conditions typically existing in waste composting processes, have low ingredient costs and yet provide strength and toughness properties adequate for end uses such as in disposable diapers. The polyesters are based upon polyethylene terephthalate copolymerized with other ingredients, including non-aromatic diacids, such as adipic and glutaric acids, polyethylene ether groups, such as diethylene glycol or higher polyalkylene glycols, and hydroxy acids.

Abstract: This invention pertains to novel copolyesters consisting essentially of units (I), (II), (III), and (IV). ##STR1## and blends of these polymers and articles made from both. Units (I), (II), (III), and (IV) are present in specified proportions as defined in the "Description of the Invention."The instant copolyesters display orientation in the molten state, good fiber ratings and high strength. Advantageously, the polymers of the present invention display a significant improvement in viscosity and moldability of the neat polymer. The polymers have excellent mechanical and surface properties including blister resistance, strength, toughness, and ability to vapor phase solder, and form strong fibers while still maintaining a high heat distortion temperature. They have melting points in the range of from about 250.degree. to about 360.degree. C. and are melt-processible. Advantageously, these compositions filled with about 30 weight percent of glass fibers display heat distortion temperatures of up to 240.degree.

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: This invention pertains to novel copolyesters consisting essentially of units (I), (II), (III), and (IV). ##STR1##and blends of these polymers and articles made from both. Units (I), (II), (III), and (IV) are present in specified proportions as defined in the "Description of the Invention."The instant copolyesters display orientation in the molten state, good fiber ratings and high strength. Advantageously, the polymers of the present invention display a significant improvement in viscosity and moldability of the neat polymer. The polymers have excellent mechanical and surface properties including blister resistance, strength, toughness, and ability to vapor phase solder, and form strong fibers while still maintaining a high heat distortion temperature. They have melting points in the range of from about 250.degree. to about 360.degree. C. and are melt-processible. Advantageously, these compositions filled with about 30 weight percent of glass fibers display heat distortion temperatures of up to 240.degree.

Abstract: A recording transparency and method of preparing the same from water solution are disclosed. The transparency is receptive to a wide variety of inks and other indicia, exhibits rapid ink drying times, excellent dot size and shape retention, and excellent water resistance and stability. The transparency comprises a transparent substrate coated from an aqueous solution of a polymeric sorbent selected from synthetic transparent cellulosic polymers, especially one or a mixture of hydroxyethyl cellulose polymers, and a surfactant composition comprising nonionic detergent, anionic detergent and complexing agent.

Abstract: There is disclosed a support for photosensitive materials which comprises base paper comprising natural kraft pulp, and a resin layer formed on the base paper, said natural kraft pulp being produced by digesting wood chips by the kraft process, and washing the digested product in the presence of an anti-foaming agent or a foam-inhibitor, followed by bleaching by the use of chlorine or an oxidizing agent containing at least one chlorine atom, and said natural kraft pulp having a number of areas tarnished by silver tarnishing reaction of 20 or less. This support exhibits good photographic properties when a silver halide photosensitive layer is provided thereon.

Abstract: Modified cellulose esters are described that are prepared by grafting melamine moieties onto the backbone of cellulose esters. The resulting materials are useful in coating applications for wood, leather, and metal substrates and yield highly solvent-resistant coatings with enhanced properties when heated in the presence of an acid catalyst.

Abstract: Polyester film has a thickness of between 10 to 500 .mu.m and exhibits excellent tear strength retention against thermal history conditions. The film is prepared from a resin composition which includes 100 parts by weight of a polyester consisting essentially of alkylene terephthalate groups as the main recurring units in the polymer chain and between 0.1 to 5 parts by weight of a bisoxazoline compound incorporated thereinto. The film is usefully employed as a sterilizing bag or as a food-packaging material and can be laminated to anther sheet of film or to paper.

Abstract: The invention provides novel polyesters, fibers and films, nonwovens from the fibers and disposable products of the polyesters such as diapers. The products are degradable under the conditions typically existing in waste composting processes, have low ingredient costs and yet provide strength and toughness properties adequate for end uses such as in disposable diapers. The polyesters are based upon polyethylene terephthalate copolymerized with a non-aromatic diacid, such as adipic and glutaric acids, and containing alkali metal or alkaline earth metal sulfo groups, such as a metal 5-sulfoisophthalic acid derivative.

Abstract: The invention provides novel polyesters, fibers and films, nonwovens from the fibers and disposable products of the polyesters such as diapers. The products are degradable under the conditions typically existing in waste composting processes, have low ingredient costs and yet provide strength and toughness properties adequate for end uses such as in disposable diapers. The polyesters are based upon polyethylene terphthalate copolymerized with a cycloaliphatic diacid, preferably hexahydroterephthalic acid, and containing alkali metal or alkaline earth metal sulfo groups, such as a metal 5-sulfoisophthalic acid derivative.

Abstract: Oriented composite polyester films with improved adherence in respect of the various final coatings, comprising on at least one of their faces a primary adherence coating formed by co-extrusion of a common crystallizable polyester and of a copolyester with oxysulfonyl groups comprising, for 100 moles of recurrent units of dicarboxylic acid: a) from 78 to 93 moles of terephthalate units; b) from 2 to 5 moles of units derived from an aromatic diacid with one or a number of oxysulfonyl groups; c) from 5 to 17 moles of units derived from at least one alcanediacarboxylic acid comprising from 4 to 15 carbon atoms. These composite films have applications as a final coating support used in packaging, the graphic arts or metal coatings.

Abstract: A cohesive bandage fabricated according to a method comprising the steps of providing at least one layer of woven fabric and applying a coating containing polybutylacryate ester and alkyphenyl polyethylene glycol ether to at least one fabric face is disclosed. In one embodiment, the coating is applied by an airless method microselectively in statistical distribution where the quantity of coating is controlled by pump pressure. Alternatively, an aqueous dispersion of polybutyl acrylate ester and carboxymethyl cellulose is microselectively and cohesively coated on both sides of the fabric by screen printing to produce a regular dot pattern on both faces of the fabric.

Abstract: Method of treating cellulose fibers wherein the fibers are treated with a composition containing a reagent A-B-X based on cyanuric chloride (A) in which one of the three chlorines has been reacted with an amine or hydroxyl compound (B-X). The reagent reacts under alkaline conditions with cellulose hydroxyl groups. A resin, e.g., polyester or vinyl resin, is then reacted with the thus modified cellulose fibers through the B-X substituent.

Abstract: A transparent substrate material for receiving or containing an image comprised of a supporting substrate and a coating composition comprised of a mixture of (a) non ionic celluloses or blends thereof; (b) ionic celluloses or blends thereof; (c) poly(alkylene oxide); and a noncellulosic component selected from the group consisting of (1) poly(imidazoline)quaternized; (2) poly(N,N-dialkyl-dialkylene piperidinium halide); (3) poly(acrylamido alkyl propane sulfonic acid); (4) poly(ethylene imine) epihalohydrin; (5) poly(acrylamide); (6) acrylamide-acrylic acid copolymer; (7) poly(vinyl pyrrolidone); (8) poly(vinyl alcohol); (9) vinyl pyrrolidone-dialkyl aminomethylmethacrylate copolymer quaternized; (10) vinyl pyrrolidone-vinyl acetate copolymer; and mixtures thereof. The substrate may be coated on one, or both sides depending, for example, on its use.

Abstract: A laminate having high strength and excellent resistance to moisture comprised of a fiberglass reinforced polyester panel adhesively attached with a water reactive adhesive to a tempered hardboard panel.

Abstract: Disclosed are polyester adhesive compositions which exhibit increased melt viscosity and improved adhesion comprised of residues of terephthalic acid, ethylene glycol and diethylene glycol and having reacted therewith or copolymerized therein the residue of a phosphite ester compound and optionally containing a phenolic antioxidant. Also disclosed are articles coated with the polyester compositions and bonded laminate articles based on the compositions.

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: An ink-jet recording sheet that contains as main ingredients 69-95% wood pulp and 4-30 wt % precipitated calcium carbonate and which has a Stockigt sizing degree of 2-25 seconds as measured for a basis weight of 64 g/m.sup.2, or a Stockigt sizing degree ranging from 5.times.(basis weight/64).sup.2 to 25.times.(basis weight/64).sup.2 at a water extracting pH of 4.5-7.5. This sheet allows a clear color to develop and provides an image having circular dots and sharply defined edges. This sheet may also incorporate a cationic synthetic polymer and an alkylketene dimer.

Abstract: A deoxidizer film for use in storage of food products or the like has a film body made of a thermoplastic resin in which a deoxidizer composition is dispersed. The film body is uni-axially or bi-axially drawn and has minute pores. The deoxidizer composition typically contains iron powder and a metal halide. The deoxidizer film can have a laminate structure in which the above-mentioned film body is laminated to a film body made of a thermoplastic resin and containing a filler which is insoluble in water or has a small solubility in water.

Abstract: Resin compositions for laminated sheets and laminated sheets produced therefrom are disclosed, the compositions comprising at least one allyl ester resin composed of a polybasic acid and a polyhydric alcohol, wherein an allyl ester group of said resin is bonded to at least one of terminals thereof.

Abstract: The packaging materials for photosensitive materials having particular coextruded multilayers and a flexible sheet.According to the composition, the packaging material is excellent in curl resistance, in physical strength particularly tear strength or in tearability by hand. These packaging materials have various properties necessary for packaging photosensitive materials, and are excellent in bag-making ability for automatic bag-making machine.

Abstract: The present invention is directed to both a water dispersible hot melt adhesive composition and to repulpable books bound using the water dispersible adhesive of the present invention. The adhesive composition of the present invention comprises:a) from about 40% to 95% by weight of a water dispersible ionically substituted polyester resin having a molecular weight from about 10,000 to about 20,000 daltons;b) from about 60% to about 5% by weight of one or more compatible plasticizers; andc) from about 0.1% to about 1.5% of one or more compatible stabilizers of the anti-oxidant type.Optionally, the adhesive composition may further include one or more compatible tackifiers in a total amount up to 30% of the weight of the adhesive composition.

Abstract: Recording medium for a sublimation type heat-sensitive transfer process, comprising a laminate paper comprising a paper and a white polyester film layer adhered on one surface of the paper, in which the white polyester film layer is provided with a dye receiving layer cured with active radiation.

Abstract: A magnetic recording medium is disclosed, comprising a nonmagnetic support having thereon a magnetic layer comprising mainly ferromagnetic metal particles of a specific surface area and binder resins, wherein at least part of said binder resins is a cellulosic resin having in side chains of the molecules thereof a polar group which is a sulfonic acid group, a metal sulfonate group, a phosphoric acid group, or a metal phosphate group.

Abstract: An improved method for providing a smooth, abrasion resistant surface substantially free of surface irregularities on a solid substrate possessing surface irregularities, the method comprising the steps of: (a) forming an uncured and unbonded laminate overlay of at least two sheets of cellulose impregnated with a thermosettable resin; (b) substantially curing the thermosettable resin to form a laminate overlay that is both precured and bonded; and (c) adhering the precured bonded laminate overlay to a solid substrate possessing surface irregularities so as to substantially bridge the irregularities. The method has particular application to the manufacture of concrete forms.

Abstract: The invention describes the preparation and use of cellulose esters grafted with silicon-containing thiol pendent groups which can serve as crosslinking agents during free radical polymerization of ethylenically unsaturated materials. The grafted cellulose esters provide a crosslinked polymeric network with enhanced solvent resistance and hardness properties when used in conjunction with ethylenically unsaturated materials.

Abstract: A coated sheet material is provided for wrapping, packaging or shipping food articles that are to be heated in a microwave oven. The sheet is formed from a paper or paperboard backing which is thermally and dimensionally stable when exposed to microwave energy. On at least one side is provided a smooth calendered surface or the sheet material is treated by processing as with a filler coating to fill the voids between the paper fibers and to thereby present a smooth surface. A microwave interactive layer is applied to the smoothed surface from a fluid or vapor state. The interactive coating can comprise carbon, a semiconductive metal coating or other microwave interactive material.

Abstract: This invention is directed to an improved forming fabric for papermaking machines having a transverse nonwoven sheet contact layer adhered to a base fabric layer, the fluid flow passageways between adjacent structural members in the nonwoven sheet contact layer being smaller than the fluid flow passageways in the adjacent base fabric layer and in fluid communication with the nonwoven sheet contact surface or the nonwoven surface adjacent to the base fabric or both. The sheet contact layer may be comprised of fibers, filaments, monofilaments, open cell foam or the like.

Abstract: A receiver sheet for dye diffusion thermal transfer printing comprises a white molecularly oriented polyester film, supporting a layer of dye-receptive material on one surface, the other surface of the film being laminated to an undersheet of higher compliance than the film, and the thickness of the film lying within the range 10 to 50 .mu.m. The undersheet increases the effective compliance of the receiver, increasing the area heated during printing thereby to give better pixel transfer.

Abstract: A transparent substrate material for receiving or containing an image comprised of a supporting substrate, an anticurl coating layer or coatings thereunder, and an ink receiving layer thereover.

Abstract: Disclosed is a novel blend of a water-dissipatable polyester material and an acrylic polymer. The acrylic polymer must be compatible with the polyester and can be optionally styrenated. The polyester is exemplified in having an acid component of from about 75 to about 84 mole % isophthalic acid and conversely from about 25 to about 16 mole % 5-soldiosulfoisophthalic acid, and having a glycol component of from about 45 to about 60 mole % diethylene glycol and conversely from about 55 to about 44 mole % 1,4-cyclohexanedimethanol or ethylene glycol or mixtures thereof.The polymer blends are useful for preparing ink compositions having improved block resistance and water resistance.

Abstract: Disclosed are water-dispersible polyesters which impart improved water resistance and block resistance properties to printing inks. Typical polyesters contain about 90 to 97 mole % isophthalic acid, about 3 to about 10 mole % 5-sodiosulfoisophthalic acid, about 70 to about 85 mole % 1,4-cyclohexanedimethanol, and about 15 to about 30 mole % diethylene glycol, based on the total of all acid and hydroxy moiety repeating units being equal to 200 mole %.

Abstract: A transparency comprised of a hydrophillic coating and a plasticizer, which plasticizer can, for example, be from the group consisting of phosphates, substituted phthalic anhydrides, glycerols, glycols, substituted glycerols, pyrrolidinones, alkylene carbonates, sulfolanes, and stearic acid derivatives.

Abstract: A coating sheet material is provided for wrapping, packaging or shipping food articles that are to be heated in a microwave oven. The sheet is formed from a paper or paperboard backing which is thermally and dimensionally stable when exposed to microwave energy. On at least one surface is provided a smooth supercalendared surface or the sheet is treated by processing as with a filler coating to fill the voids between the paper fibers and to thereby present a smooth surface. A microwave interactive layer is applied to the smoothed surface from a fluid or vapor state. The interactive coating can comprise carbon, a semiconductive metal coating or other microwave interactive material.

Abstract: A dual ovenable paperboard based structure which contains a food contact resin layer. The resin layer in direct contact with the ovenable food product exhibits superior food release properties, grease and oil resistance, and resistance to warpage even after extended periods of time following oven heating. The unique laminate is formed via coextrusion coating techniques on conventional coextrusion equipment at conventional temperatures. The resulting product has a high degree of adhesion between the paperboard and the polymethylpentene food contact layer, and is capable of being utilized for forming pressed or locked corner food trays which can be subjected to oven cooking temperatures.

Abstract: Polyester resins are disclosed as the impregnant in the core sheets of heat and pressure consolidated laminates, especially decorative laminates having a core of a color complementing that of the decor sheet, and more especially those decorative laminates of unusual thickness.