Abstract: A heat-sensitive adhesive sheet for bonding a pair of information-recorded faces, belonging to the same sheet or two different sheets of recording material, together by application of heat thereto, which comprises three or more layers, including a support and a synthetic resin layer coated on either side of the support, having a peeling resistance ranging from 10 to 150 g/50 mm between the support and each synthetic resin layer in the T-peel test performed at a peeling speed of 300 mm/min. in the atmosphere of 20.degree. C.

Abstract: A styrene-acrylic ester copolymer latex is used for prevention of premature coloration in CFB pressure-sensitive copying paper which is neutral- or alkaline-sized with an alkyl ketene dimer and which utilizes an acid clay or other inorganic color developer composition. The copolymer may be carried by the base paper, e.g. as a result of size press or size bath application, or may be present in the microcapsule coating.

Abstract: A method for producing a decorative sheet having an adhesive layer on its back surface, which comprises coating the back surface of a decorative sheet comprising a printed pattern paper with a resin liquid which is liquid at room temperature according to a direct method, and then drying the coating of said resin to form an adhesive layer.

Abstract: A smear resistant thermally reactive material for use in a one-coat system, the thermally reactive material being applied to a receiver stock and consisting essentially of: about 55-75% wax; a binder of about 0.5-11% ethylene vinyl acetate; a pigment of about 6-26% color pigment; a dye of about 0.5-14% color forming dye; and a reactant of about 5-15% epoxy resin. The smear resistant thermally reactive material has a cohesive strength that inhibits smearing of data that is thermally transferred from an ink ribbon to the receiver stock. A crosslinking polymer for use in a two-coat system is also disclosed. The crosslinking polymer has a first coating consisting of a catalyst of 100% organosilane and a second coating consisting essentially of: about 55-75% wax; a binder of about 0.5-11% ethylene vinyl acetate; a pigment of about 6-26% color pigment; a dye of about 0.5-14% color forming dye; and a reactant of about 5-15% organosiloxane.

Abstract: The present invention is directed to a novel polymodal asymmetric elastomeric block copolymer and a pressure sensitive adhesive and tape made therefrom. The novel block copolymer comprises from about 4 to about 40 percent by weight of a polymerized monovinyl aromatic compound and from about 96 to about 60 percent by weight of a conjugated diene. The block copolymer has the general formula Q.sub.n Y where Q represents an individual arm of the block copolymer and has the formula S-B; n represents the number of arms and is at least 3; and Y is the residue of a multifunctional coupling agent. Furthermore, S is a nonelastomeric polymer segment endblock of a polymerized monovinyl aromatic homopolymer, there being at least two different molecular weight endblocks in the block copolymer. The number average molecular weight of the higher molecular weight endblock (Mn).sub.H is in the range of from about 5,000 to about 50,000, and the number average molecular weight of the lower molecular weight endblock (Mn).sub.

Abstract: Provided is an electrographic printing paper suitable for the printing of a quality image, which printing paper is pastable and is therefore useful in pastable displays, including outdoor billboards. The electrographic printing paper is comprised of a dielectric coating on a conductive base paper which exhibits wet strength and wet expansion properties suitable for pasted displays. The conductive base paper contains a wet strength agent and a sizing or coating of a conductivizing composition comprised of a binder and a substantially water insoluble conductivizing agent.

Abstract: A biodegradable resin composition including a saponified ethylene-vinyl acetate copolymer and a starch-based macromolecular substance. The saponified ethylene-vinyl acetate copolymer is one having an ethylene content of 20 to 60 mole %, a vinyl acetate saponification degree of not less than 90 mole %, a melt flow index of 1 to 100 g/10 min as measured under a load of 2160 g at 210.degree. C., and a melt viscosity ratio .eta..sub.60 /.eta..sub.5 of 0.5 to 4 where .eta..sub.60 means the melt viscosity after 60 minutes of standing at 250.degree. C. and the .eta..sub.5 means the melt viscosity after 5 minutes of standing at 250.degree. C. and a starch-based macromolecular substance. A layer of the above composition can be used to fabricate a laminate with a substrate material of a different kind, such as a photodegradable polymer.

Abstract: A carbon paper includes a film of carbon based hot melt ink coated on one side of a flat sheet of paper. The carbon based hot melt ink includes carbon black and a stearate.

Abstract: A transparent pressure sensitive adhesive label sheet comprises a label film comprising a polyethylene resin of a density of 0.925 to 0.950 g/cm.sup.3 as the main component thereof, having an average of the tensile strength to the MD direction and the tensile strength to the TD direction of 250 kg/cm.sup.2 or more, a 1% secant modulus to the MD direction of 2500 to 5000 kg/cm.sup.2, a haze of 3 to 15% and a gloss of 80% or more and provided with the property suitable for printing by a surface treatment and a release paper laminated with the label film through a layer of a pressure sensitive adhesive material. An opaque pressure sensitive adhesive label sheet is about the same as the above except that it comprises a label film having a total light transmission of 40% or less in place of the haze and the gloss described above.

Abstract: A lithographic printing plate precursor of direct image type, adequately prevented from occurrence of background stains and having excellent printing durability is provided, comprising a base and an image receptive layer provided on the base, in which the image receptive layer contains one or more types of non-aqueous solvent-dispersed resin grains obtained by subjecting to dispersion polymerization reaction in a non-aqueous solvent, a monofunctional monomer (A) being soluble in the non-aqueous solvent but insoluble after polymerization and containing at least one functional group capable of producing at least one polar group through decomposition and a monofunctional polymer [M] comprising a polymer principal chain containing at least recurring units each containing a silicon atom and/or fluorine atom-containing substituent, to only one end of which a polymerizable double bond group represented by General Formula (I), as described herein, is bonded.

Abstract: A pad assembly comprising a multiplicity of flexible sheets each having (1) a similarly sized body portion that has pressure sensitive adhesive on its rear surface and is sized and adapted so that its front surface can be written on, and (2) a smaller tab projecting beyond an edge of the body portion that can be positioned to project from the edge of a sheet to which the sheet is adhered.

Abstract: A dye receiving paper forms an image thereon which is represented by a dye contained in an ink which is transferred from an ink ribbon when melted or sublimed with heat. The dye receiving paper includes a dye receiving layer disposed on a sheet base and composed of a resin and a compound added thereto. The compound has an acid anhydride group.

Abstract: A latex binder which has very low or nil amounts of aldehyde such as formaldehyde is made utilizing a compound having the formula: ##STR1## wherein R.sup.1 is generally an alkyl having from 1 to 6 carbon atoms, with methyl being preferred; wherein R.sup.2 and R.sup.3, independently, is preferably hydrogen, or allyl, or an alkyl having from 1 to 12 carbon atoms, or an alkyl-substituted aromatic having from 7 to 15 carbon atoms, wherein R.sup.4 is an alkylene having from 1 to 4 carbon atoms, with ethylene being preferred; and wherein R.sup.5 is hydrogen or an alkyl having from 1 to 4 carbon atoms, with methyl being preferred. The latex binder is generally an emulsion or latex copolymer made from at least one or more conjugated dienes having a total of from 4 to 10 carbon atoms with butadiene being preferred and one or more vinyl-substituted aromatics having from 8 to 14 carbon atoms, with styrene being preferred. The amount of the above formulation compound is generally from at least 0.

Abstract: This invention relates to an improved process of surface sizing of paper and paperboard. The process consists of:a) Preparing an aqueous surface sizing compound by combining and mixing an aqueous solution of at least one water soluble or dispersible polymer or interpolymer, a solution or dispersion of auxiliary materials, and an aqueous solution of a metal salt, selected from the group of metals consisting of zirconium, hafnium or titanium, to the polymer solution;b) Adjusting the pH of the aqueous sizing compound from about 5 to about 10.

Abstract: Polymers containing a high percentage of vinyl alcohol units, especially when treated to remove impurities, when blended with copolymers of alkyl (meth)acrylates, N-vinyllactams or N-vinylamides, and unsaturated acids, preferably further with a small amount of plasticizer, may be applied as hot melt adhesives to paper, wood, and other cellulosic articles.

Abstract: Disclosed is a photographic printing paper support comprising a waterproof substrate constituted of raw paper and polyolefin resin coats covering the both surfaces thereof, which further has on the back side of the substrate a backing layer containing at least (a) colloidal silica, (b) an aqueous dispersion of a styrene-acrylate copolymer prepared by the polymerization in the presence of a water-soluble high-molecular compound, (c) at least one substance selected from a group consisting of carboxyl or sulfo group-containing water-soluble high-molecular compounds, the metal salts thereof and hydrophilic organic high-molecular colloidal substances and (d) an aqueous dispersion of a polyolefin resin having a melting point below 100.degree.C.

Abstract: Blends of low styrene content polystyrene-polyisoprene-polystyrene block copolymer and high styrene content polystyrene-polyisoprene-polystyrene block copolymer can be used with tackifier resins, plasticizer oil and antioxidants to formulate pressure sensitive adhesives of improved cohesive strength vis-a-vis adhesives formed from the low styrene content polystyrene-polyisoprene-polystyrene block copolymer while maintaining good balance between tack, bonding characteristics and heat resistance.

Abstract: A sheet or web material comprising a hydrophobic resin support or paper support coated with at least one hydrophobic resin layer which is coated with an outermost antistatic layer which contains as an essential antistatic component a polythiophene with conjugated polymer backbone in the presence of a polymeric polyanion compound, wherein the layer also contains a dispersion of a hydrophobic polymer which polymer has a glass transition temperature (Tg) of at least 40.degree. C. and the layer is a coherent layer.

Abstract: A message board has a surface layer made of a protectively mounted paper or plastic sheet which has a smooth plane adapted to be erasably written thereon with a whiteboard marker. An intermediate mounting layer is overlapped with and connected to the surface layer, and is made of a hard polyvinyl chloride or polyethylene. A base layer is overlapped with and connected to the intermediate mounting layer, and is made of a soft polyvinyl chloride to be attached directly to and removed from a glazy surface repeatedly.

Abstract: A laminated web has a carrier sheet and a sign material sheet superimposed on it and a first layer of permanently tacky adhesive attaching the sign material sheet to the carrier. A second permanently tacky adhesive layer is provided on the side of the sign material sheet facing away from the base layer and is coated or is provided with a film which deadens the exposed tacky surface such that the web may be cut in an automated sign generated machine and the web weeded thereby leaving free standing characters on which the second permanently tacky adhesive can then be exposed for application onto a substrate surface.

Abstract: Provided are compositions comprising a saponified product of an ethylene-vinyl acetate copolymer having an ethylene content of 20 to 80 mol % and a saponification degree of vinyl acetate component of at least 95 mol %, said composition containing 20 to 200 ppm as converted to alkali metal of an alkali metal acetate, 30 to 250 ppm of acetic acid, and 5 to 500 ppm as converted to phosphate ion of phosphoric acid or an alkali metal hydrogenphosphate, and having a content ratio of acetic acid/alkali metal acetate of 0.1 to 1 and the flow characteristic that the extrusion rate does not substantially increase for at least 10 hours in the relationship between the heating time and the extrusion rate with a capillary rheometer (Koka Flow Tester) at at least one temperature 10.degree. to 80.degree. C. above the melting point.

Abstract: A photographic support material includes a base paper and at least one polyolefin layer arranged on the base paper and containing titanium dioxide, and a methyl substituted chinacridone red pigment in the polyolefin which is a chinolino (2,3-b) acridine-7,14-dione-5,12-dihydro-3,10-dimethyl.

Abstract: A composite material comprising a base liner with a release layer on at least one surface thereof, and a releasable face layer releasably adhered to the base liner through the release layer by a pressure sensitive adhesive, wherein the base liner has a skin layer on its surface proximate to the release layer which is more difficult to cut than the remainder of the base liner material, such that when the composite is subjected to die cutting or perforating to allow portions of the face layer to be selectively removed, the cutter will not penetrate into or through the base liner to any substantial extent.

Abstract: This invention provides polypropylene-based resin-coated paper using paper as substrate and having excellent smoothness, especially the one which, when used for printing or heat transfer recording, keeps free from formation of white dots and occurrence of density unevenness in images, and thus is suited for printing use or heat transfer recording use. At least one side of the paper substrate is coated with a resin. The paper used as substrate is characterized by the fact that the unevenness in film thickness in machine direction (unevenness index) as measured by a film thickness meter is less than a specified value.

Abstract: A photographic support comprising a paper substrate and the resin layers formed on both sides thereof, each of the resin layers being made of a resin composition comprising a polyethylene resin, wherein the difference in thickness between the resin layer on the side on which a photographic layer is to be provided and the resin layer on the opposite side is 3 .mu.m or greater, and the polyethylene resin in the resin layer on the side opposite from the photographic layer is a compounded resin prepared by melting and mixing a specified number of parts by weight of a specific low-density or medium-density polyethylene resin and a specified number of parts by weight of a specific high-density polyethylene resin. This resin-coated paper type photographic support has good adhesion between the base paper and the resin layer on the side opposite from the photographic layer, excellent in qualities such as anticurl properties, cutting properties and capable of high-speed production.

Abstract: A water-dispersible, inherently tacky pressure-sensitive adhesive comprising a tacky emulsion polymer formed of from about 80% to 90% by weight of monomers comprising a major portion of at least alkyl acrylate containing from 4 to about 8 carbon atoms in the alkyl group and from about 20% to 10% by weight hydroxyethyl methacrylate, said emulsion polymer formed in the presence of anionic and nonionic surfactants to provide a polymer having a glass transition temperature of -15.degree. to -50.degree. C. A sufficient amount of chain transfer agent is employed to provide an emulsion polymer which when coated on a repulpable paper substrate enables recovery of paper fibers substantially free of adhesive under conditions of TAPPI Useful 204, and is resistant to loss of adhesive properties on exposure to high humidity.

Abstract: Raman-active compounds such as polydiacetylenes are provided in the form of particles whose maximum dimension is 40 .mu.m. They can be formulated into inks, for the purpose of printing on security documents which are thus readily capable of authentication.

Abstract: An oxidatively stabilized adhesion promoter composition for hot-melt adhesives is disclosed. The oxidatively stabilized adhesion promoter composition comprises a poly(vinylmethylether), said poly(vinylmethylether) having a number average molecular weight of from about 5,000 to about 1000,000, and an oxidative stabilizer antioxidant consisting of polymerized 1,2-dihydro-2,2,4-trimethylquinoline having a number average molecular weight of from about 350 to about 750. The said polymerized 1,2-dihydro-2,2,4-trimethylquinoline can be used with a secondary antioxidant comprising an organic compound of sulfur and trivalent phosphorus. The trivalent phosphorus compound can be a phosphite selected from the group consisting of tris-(2,4-di-tert-butylphenyl) phosphite, tris(mono-nonylphenyl) phosphite, bis(2,4-di-tert-butylphenyl) pentaerythritol diphosphite, distearyl pentaerythritol phosphite, and mixtures thereof. The oxidative stabilizer antioxidant is present in the poly(vinylmethylether) in an amount from about 0.

Abstract: A matte printing paper, excepting bank note and security document paper, especially for offset or intaglio printing, is coated with a composition containing calcium carbonate as a coating pigment, a binding agent for absorption of printing ink and 10 to 65% by weight, based on its total solids content, of ungelatinized starch granules, except rice starch granules.

Abstract: A paper web for producing traymats or coasters, comprising, a highly hygroscopic support paper having two sides, and a sliding-reducing structure applied on at least one side of the support paper. The sliding reducing structure includes a coating applied on at least one side of the support paper, the coating forming a discrete structure on the support paper, being raised above the support paper, and increasing static friction. The coating is composed of an aqueous synthetic plastic dispersion based exclusively on a self-crosslinking acrylate.

Abstract: An oxygen barrier laminate structure for producing an aseptic, oxygen barrier packaging or container comprising a substrate having an inner surface and an outer surface, a first low density polyethylene layer coated on the outer surface of the substrate, a multi-layer oxygen barrier coextrusion coated interior to the substrate and a second, thick, low density polyethylene layer coated on the multi-layer coextrusion. An optional extra low density polyethylene layer may be added on the inside surface of the substrate. A photic barrier layer may also be employed.

Abstract: Disclosed is a recording sheet which comprises (a) a substrate; (b) a coating on the substrate which comprises a binder and a material having a melting point of less than about 65.degree. C. and a boiling point of greater than 150.degree. C. and selected from the group consisting of alkyl phenones, alkyl ketones, halogenated alkanes, alkyl amines, alkyl anilines, alkyl diamines, alkyl alcohols, alkyl diols, halogenated alkyl alcohols, alkane alkyl esters, saturated fatty acids, unsaturated fatty acids, alkyl aldehydes, alkyl anhydrides, alkanes, and mixtures thereof; (c) an optional traction agent; and (d) an optional antistatic agent.

Abstract: A coating for paper comprising water, pigments, binder and poly(ethylene oxide). The binder comprising about 1 to 30 percent by weight of the dry weight of the pigments and the poly(ethylene oxide) comprising about 0.001 to 10 percent by weight of the dry weight of the pigments. The coating has a very low Brookfield viscosity. The poly(ethylene oxide) coating provides superior gloss and smoothness relative to conventional paper coatings and may be applied to the paper in higher coat weights. A process for using the poly(ethylene oxide) coating to make improved paper is also disclosed.

Abstract: Video printing paper used for a video printer is disclosed. A receiving layer comprising a polymeric material is formed on a surface of the video printing paper. Polyvinyl aromatic carboxylic acid ester or copolymer of it is used for the receiving layer. In the receiving layer, resin compatible with the polyvinyl aromatic carboxylic acid ester or its copolymer may also be used by 50 percent by weight or less. It is also possible to add a compound enhancing the dyeing property to the receiving layer. The compound for enhancing the dyeing property are exemplified by ester compounds and urethane compounds. This enables formation of an image superior in light resistance and weather resistance.

Abstract: Resin coated photographic base paper having improved stiffness is made by co-extruding a face side resin coating having a first layer of pigmented LDPE and over it a thin layer of a stiff polymer, especially polycarbonate. An intermediate layer of a strongly adhesive polymer may be included to enhance bonding between the first and second layers. The base paper may also have a co-extruded wire side resin coating with a stiff polymer second layer.

Abstract: The present invention relates to an extruded fluoropolymer-acrylic composite and a method of producing same. The extruded product of the present invention comprises a layer of at least one first polymeric substance comprising a mixture of: (1) from about 1 to about 70 percent by weight of at least one acrylic material, (2) at least one fluoropolymer, and (3) at least one inorganic pigment in sufficient amount to render the first polymeric substance reflective to infrared light and opaque to both ultraviolet light and light and light having a wavelength of about 350 to about 2500 nanometers; in contact with a layer of at least one second polymeric substance being of a chemical character so as to be amenable to adhesion to the at least one first polymeric substance in the extrusion product. The preferred embodiment of the invention method is conducted under vacuum.

Abstract: A heat-sensitive adhesive sheet for bonding a pair of information-recorded faces, belonging to the same sheet or two different sheets of recording material, together by application of heat thereto, which comprises three or more layers, including a support and a synthetic resin layer coated on either side of the support, having a peeling resistance ranging from 10 to 150 g/50 mm between the support and each synthetic resin layer in the T-peel test performed at a peeling speed of 300 mm/min. in the atmosphere of 20.degree. C.

Abstract: A gun target including a substantially planar first sheet having a back surface and an exposed front surface which carries a graphic pattern having a first color, at which the weapon is aimed. A substantially planar second sheet is connected to the back surface of the first sheet so as to lie substantially parallel to the first sheet. The second sheet has a front surface that has a second, contrasting color relative to the first color. When a round fired from the weapon into the graphic pattern penetrates both sheets, the resulting hole exposes the second color at the front surface of the first sheet.

Abstract: A thermoplastic film structure comprising a base layer of a thermoplastic resin which comprises polypropylene and a coating layer of a polyvinylidene fluoride is disclosed. The film is characterized by reduced coefficient of friction, improved anti-blocking characteristics, and enhanced oxygen and water vapor barrier properties. The disclosure also provides a process for making the film in which the polypropylene-containing thermoplastic resin is extruded into a sheet, said sheet oriented in the longitudinal direction to form a monoaxially oriented film, said film coated with the polyvinylidene fluoride and said coated film oriented in the transverse direction.

Abstract: Disclosed are cellulosic sheet material, e.g., liner board, coated with an aqueous emulsion of polystyrene or styrene-alkyl acrylate copolymers, which when dried impart, inter alia, skid or slip resistant properties to the sheet material. The polymer has a glass transition temperature of, for example, 70.degree. C. to 100.degree. C. and an average particle size of from 70 to 150 nanometers.

Abstract: The present invention provides a thermal mimeograph paper having a point-bonded structure and including a porous backing material and a thermoplastic resin film layer laminated on one side thereof through an adhesive, wherein the porous backing material and the thermoplastic resin film are bonded together by dotwise point bonding. This point-bonded structure enables the perforability of the mimeograph paper to be improved.

Abstract: Adhesively edge-padded stack of carbonless copy paper better separates upon fanning into collated sets when a thin layer of hot-melt adhesive is used for the edge-padding. As in the prior art, the outer surfaces of each set should have a release coating such as a fluorocarbon. The layer of hot-melt adhesive includes, by weight:20-50% thermoplastic copolymer,15-50% tackifying resin, and20-60% wax having a melting point of at least 60.degree. C.As soon as the adhesive has cooled below its softening point, the stack can be fanned, thus breaking it into sets. Fanning can usually be performed within 45 seconds, because there is no need to wait for the adhesive to dry as has been necessary with the aqueous adhesives that have been used in the prior art. Preferably at least 20% by weight of the adhesive is a paraffin wax that is C.sub.35 -C.sub.70 substantially straight-chain hydrocarbon.

Abstract: A pressure-sensitive adhesive that can adhere aggressively to both polar and nonpolar substrates and has good internal strength at high temperatures is provided by heat or radiation curing a blend of an ethylenically-unsaturated .alpha.-olefin polymer, a crosslinker having at least 2 hydrosilyl groups, and a hydrosilation catalyst. A preferred hydrosilane crosslinker has the formula ##STR1## wherein R is an alkyl group having 1-6 carbon atoms, and n' is a number in the range of 2 to 35.

Abstract: A packaging material useful for the controlled atmosphere packaging in bulk of fresh produce, comprising a liner material and a supporting cardboard substrate, wherein the liner material comprises an open cell foamed adhesive portion and a substantially solid thermoplastic film portion in face-to-face relationship.

Abstract: A wrapper paper for pressure sensitive products bearing on one of its flat surfaces a layer of polyethylene and on the opposite of its flat surfaces a layer of a primer selected from the polyalkyleneimine class, at least portions of the opposite flat coated surfaces facing one another in overlapping relationship when the paper is wrapped about a product, the overlying areas of the wrapper paper being sealed to one another by heat means and the application of very low pressure to the overlapping portions.

Abstract: A decorative static dissipative high pressure laminate having a plurality of consolidated thermosetting resin impregnated layers including a core and a decor surface layer to provide a surface resistance no greater than 2.times.10.sup.9. The core comprises at least one thermosetting resin impregnated paper core sheet and at least one special thermosetting resin impregnated core sheet of predominately paper fibers and a small quantity of stainless steel fibers irregularly distributed among the paper fibers.

Abstract: A paper-plastic laminate sheeting capable of being converted by conventional equipment into envelopes, grocery bags and other dilatable container products that initially are in a flat state and are normally made of paper. The sheeting is composed of a paper facing sheet cold-laminated by means of a water-based adhesive to a reinforcing film of synthetic plastic material, such as polypropylene. The film is oriented to impart exceptional tear and burst strength characteristics to the resultant waterproof product. The product, whose exterior surface is formed by the paper facing sheet, is readily printable. For some applications, a second paper facing sheet is cold-laminated to the other side of the film to produce a three-ply laminate sheeting whose exposed surfaces are readily printable and can accept conventional adhesives.

Abstract: Acrylic copolymer compositions which contain a tackifying hydrocarbon resin and a polyfunctional crosslinking monomer and the use of such composition in pressure-sensitive adhesives are described. The tackifying hydrocarbon resin is dissolved, as is the polyfunctional monomer, in a solution of alkyl(meth)acrylate and (meth) acrylic acid monomers and is present during the polymerization of the monomers to form a tackified acrylic copolymer.

Abstract: A laminated material having a latent inherent delamination potential which contains at least one layer comprising a thermoplastic, wherein the thermoplastic carries, at least on one side, a release layer of water-soluble or water-dispersible organic material. The material can be delaminated by a process of chopping the material and treating the material with water or steam. The laminated material is useful as, for example, a packaging material. The material can easily be delaminated into its individual layers, thus facilitating recycling of the materials.

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.