Abstract: This invention relates to an article useful as a substrate for security printing comprising a pre-cut facestock capable of being printed, a pressure sensitive adhesive having a first and second surface, and a release liner, wherein the first surface of the pressure sensitive adhesive is bonded to the facestock and the second surface is releasably bonded to the release liner, and wherein the bond strength of the releasable bond between the pressure sensitive adhesive and the release liner is greater than the temporary bonds formed with an ink and the printable surface of the facestock. The articles and methods of the present invention involve articles useful as facestocks for security printing. In one embodiment, the invention relates to the preparation and printing of stamps. An advantage of the present articles and methods is the use of articles with a pressure sensitive adhesive and a release layer, which do not lift off during printing.

Abstract: This invention relates to an economical coating composition for porous substrates that provides extremely glossy surfaces, is capable of supporting holographic images, provides good oxygen barrier properties as well as good oil, grease, solvent and water resistance. Said coatings on paper substrates are printable, biodegradable, recyclable, and repulpable. They are also suitable for use in conjunction with food products. This invention also relates to a process for applying said coatings onto porous substrates as well as a process for the economical production of inexpensive holographic images on substrates such as paper and cardboard containers.

Abstract: This invention relates to an adhesive composition, comprising: (A) at least one phenolic resole resin; and (B) the product made by reacting (B-1) at least one difunctional epoxy resin, with (B-2) at least one compound represented by the formula ##STR1## wherein in Formulae (I) and (II): G, T and Q are each independently functional groups selected from the group consisting of COOH, OH, SH, NH.sub.2, NHR.sup.1, (NHC(.dbd.NH)).sub.m NH.sub.2, R.sup.2 COOH, NR.sup.1.sub.2, C(O)NHR.sup.1, R.sup.2 NR.sup.1.sub.2, R.sup.2 OH, R.sup.2 SH, R.sup.2 NH.sub.2 and R.sup.2 NHR.sup.1, wherein R.sup.1 is a hydrocarbon group, R.sup.2 is an alkylene or alkylidene group and m is a number in the range of 1 to about 4; T can also be R.sup.1, OR.sup.1 or SO.sub.2 C.sub.6 H.sub.4 --NH.sub.2 ; and Q can also be H. The invention also relates to copper foils having the foregoing adhesive composition adhered to at least one side thereof to enhance the adhesion between said foils and dielectric substrates.

Abstract: An adhesive backed article, method for its manufacture and a kit including such an article are provided. The article of the invention is provided as an antislip product comprised of a backing and an oil resistant adhesive applied to a major surface of the backing. In one aspect of the invention, an article is provided comprising: a backing having a first and second major surfaces, the first major surface being textured to provide a slip resistant surface; and a pressure sensitive adhesive disposed on the second major surface of the backing, the adhesive formulated to be resistant to peel in use when exposed to oily environments, the adhesive comprising the polymerized reaction product of (a) acrylic acid; (b) at least one N-vinyl containing monomer; (c) at least one acrylate selected from the group consisting of isooctyl acrylate, 2-ethylhexyl acrylate, and combinations thereof; (d) optionally, less than about 20 weight % fluoroalkyl siloxane; and (e) optionally, a cross linking agent.

Abstract: The present invention relates to a laminated article and a method for making the article. An imageable film is printed on a first side with an image created in a computer. The image can be black and white or color. The imageable film can be transparent or white. The image containing film is then overlaid with a transparent laminate layer to protect the image from weather, abrasion and wear. A colored substrate may be applied on a second side of the imageable film to create a colored sign. The colored substrate may also be used to introduce special effects to the appearance of the finished laminated article.

Abstract: A stack of cut sheet linerless labels is provided. Each label substrate (e.g., paper) having first and second faces, with pressure sensitive adhesive (e.g., repositional adhesive) substantially completely covering the first face, and a release coat (e.g., silicone) substantially completely covering the second face. Adhesive and release coat are selected so that the adhesive force between them is 0.001-1.2 ounces per inch pursuant to a standard test. The labels are disposed in the stack with the pressure sensitive adhesive of each label engaging the release coat of the label below it. A tie coat may be provided between the adhesive and the substrate to enhance adherence between them, and a thermosensitive layer may be provided on the substrate second face beneath the release coat. An adhesive uncoated strip may be provided adjacent an edge of each label to facilitate removal from a stack.

Abstract: An article comprising a substrate, and a textured, matte-finish, low adhesion backsize coating on one surface of the substrate, wherein the coating comprises polyvinyl carbamate having nitrogen-bonded hydrocarbon side chains which provide terminal alkyl groups more than five carbons in length.

Abstract: A lamination-type image receiving sheet having excellent storage stability is provided. The image receiving sheet comprises: an image receiving substrate; and a pressure-sensitive adhesive layer and a release resin film provided in that order on the image receiving substrate on its side opposite to the image receiving surface. The image receiving substrate is in the form of a resin film. The surface roughness (Ra) of the release resin film on its side opposite to the pressure-sensitive adhesive layer is in the range of 0.2 to 0.8 .mu.m.

Abstract: An intermediate for a card holder, the card holder produced from the intermediate, and a method of making the card holder, are provided which are particularly useful for easily and efficiently making and attaching a card holder to a library book, or other object that a card holder is desirably associated with. The card holder is formed from an intermediate having a first (e.g. paper) ply, a second release liner ply, and pressure sensitive adhesive or cohesive holding the plies together. Various die cuts and lines of weakness (such as perf lines) are provided in the plies so as to facilitate easy assembly of the card holder from an integral sheet by removing various die cut strips or sections in sequence to readily fold the intermediate after imaging (for example with a laser printer) and then apply the card holder formed with the pressure sensitive adhesive or cohesive already associated with the intermediate, to a library book or the like.

Abstract: A recyclable article and a sheet-like member included in the article are disclosed. In a copier, for example, a front door has a door body and a decal fitted on the door body by an adhesive. The door body and decal are formed of thermoplastic resins soluble in each other, so that the adhesive does not remain on the door body when the decal is peeled off the door body. When the front door is melted for recycling, a molding having desirable characteristic is achievable. When the decal is peeled off the door body in order to reuse the front door, the adhesive can be easily removed from the door body.

Abstract: A composition for use as an electrical stress controlling layer (12) for use with cable joints and terminations has a non-linear V-I characteristic. The composition comprises a polymeric matrix filled with doped zinc oxide varistor powder. The particulate filler is sieved at 125 micrometers, calcined at 1100.degree. C., and lightly ground to maintain the spherical shape of the particles. More than 50% by weight of the particles have a maximum dimension between 5 and 100 micrometers.

Abstract: The present invention relates to a self-supporting polymer film with a silicone-containing coating layer on the front surface that is capable of releasing free silicone oil and a slip control coating on the back surface, where the slip control coating has an exposed surface adapted to contact the free silicone oil. The slip control coating comprises a binder, preferably a water-soluble copolyester comprising about 50 to about 98 mol percent isophthalic acid, about 2 to about 20 mol percent of at least one sulfomonomer containing a sulfonate group attached to a dicarboxylic nucleus, and about 100 mol percent of at least one copolymerizable glycol having from about 2 to about 11 carbon atoms; and also includes a coupler, preferably a silane. A method for controlling the slip of silicone coated film by coating the back side of the film with this slip control coating is also disclosed.

Abstract: A tape laminate comprising a support layer having first and second parts, and an anchor portion of one of its opposite major surfaces on each of the parts. The first and second parts of the support layer are disposed with the anchor portions on opposite sides of the support layer and in generally parallel relationship. The anchor portions can be bonded to the opposed surfaces of rigid objects so that the tape laminate supports one object from the other against a static force generally parallel to the anchor portions. One of those bonds is made by an attachment strip having a portion of its outer major surface defined by pressure sensitive adhesive and its inner major surface bonded to one of the anchor portions, and a manually engageable tab portion at one end. The attachment strip is stretchable by pulling its tab portion to release adhesive engagement of its outer major surface from an object to which it is adhered.

Abstract: The present invention relates to an adhesion promoting layer which exhibits high temperature stability and high peel strengths when used in a multi-layer structure for a printed circuit board. More specifically, the present invention relates to a multi-layer structure, containing a prepreg layer wherein the prepreg layer is made from an epoxy resin and a non-amine curing agent; and an adhesion promoting layer comprising a nitrogen containing silane compound. The present invention also relates to a multi-layer structure containing a metal foil layer; an epoxy prepreg layer wherein the epoxy prepreg layer is made from an epoxy resin and a non-amine curing agent comprising at least one of an acid, an anhydride, an alkoxide, a phenoxide, a polymeric thiol and a phenol; and an adhesion promoting layer comprising a nitrogen containing silane compound, wherein the adhesion promoting layer is between the metal foil layer and the epoxy prepreg layer.

Abstract: An adhesive-applied tape prepared by coating a support film with a solution obtained by dissolving in an organic solvent a mixture of an epoxy resin and an amorphous polyimidosiloxane produced from an aromatic tetracarboxylic dianhydride or its derivative and a diamine comprising an aromatic diamine which comprises an aromatic diamine having a functional group which can react with an epoxy group and a diaminopolysiloxane, and then drying it at a temperature at which the epoxy resin is not cured to provide a tack-free adhesive layer with no surface tackiness. The tape is both flexible and heat resistant, and does not require high-temperature, high-pressure contact bonding conditions upon contact bonding.

Abstract: An optically variable article comprising of a substrate and at least one non-overlapping pair of optically variable structures on the surface of the substrate, the optically variable structures having the same color at one angle of incidence and different colors at all other angles of incidence. The optically variable structures are formed from optically variable pigments, optically variable opaque foils, or optically variable multilayer thin film interference stacks.

Abstract: A release liner for business form and label constructions comprises a substrate of carbonizing bond paper having a weight of between about 35-80 grams per square meter. A radiation (e.g. U.V.) curable silicone polymer blend is coated on the first face of the substrate with a coating weight of between about 0.8-2.3 grams per square meter. The silicone polymer blend comprises a large part base silicone polymer and optionally up to 40% of tight release additive, about 1 to 5% photoinitiator, and possibly substantially inert ingredients. A paper face of the form or label having a weight of between about 65-99 grams per square meter has a hot melt permanent or removable pressure sensitive adhesive on one of its faces, either applied directly or transferred to it if coated on the silicone, the adhesive in contact with the release liner. The form or label is substantially curl free after running through a laser printer.

Abstract: A release liner for use with face stocks for pressure sensitive labels, tapes, decals and other products formed from sheet and roll stock. A filled polymer is laminated to one side of a paper web. An extrudate is laminated to the other side of the paper substrate to form a release liner. The filled polymer has paper-like properties and replaces paper tissue back liners.

Abstract: A decorative film, such as a film of pigmented paint or a colored thermoplastic layer covered by a film of clear coat, has the outer (clear coat) surface protected by a removably fixed thermoformable first protective film layer. A flexible plastic film forming a second protective layer is removably fixed to the first layer. The underlying decorative film may be laminated to a thin wall or thick wall thermoplastic formable sheet. The second protective layer is removed just prior to forming of the laminated decorative sheet, carrying with the protective film any surface damage marks or irregularities. Subsequent compression forming, as into a body panel or trim part, thus will not cause marking of the decorative film from transfer of damage marks since the underlying first protective layer remains undamaged. The first protective layer may remain in place during assembly of the formed body panel or trim part into a vehicle, and thereafter until delivery of the vehicle by a dealer to a customer.

Abstract: Extruded heat-set polymeric films are die-cut into labels, dispensed past peel-back edges, and applied to deformable or rigid substrates after being treated differently in their lengthwise and cross-directions so as to have different stiffnesses in the respective directions and achieve a tradeoff between dispensability and conformability superior to that of prior art labels of heat-set polymeric material.

Abstract: A covering protective device for use in a manually operated mouse for computers has a flexible material sheet with an adhesive strip on the bottom surface thereof to allow the sheet to be removably, adhesively fixed onto an upper surface of the body portion of the mouse, whereby the flexible sheet is retained on the mouse with a free distal portion of the sheet extending over depressible keys of the mouse, the sheet also containing indicia bearing information, advertising or other legends.

Abstract: A display assembly uses a particular point of purchase label construction associated with a point of purchase display construction associated with a displayed item for purchase that does not take up valuable area that is covered by price stickers, or the like, and in a manner that allows a retail establishment to save up to several hours a week in prominently displaying point of purchase messages. The label construction includes a label face stock having first and second faces, an opaque release liner stock also having first and second faces, the first face of the release liner ply having an adhesive release coating (such as silicon), and the second face of the release liner having first, point of purchase, indicia imaged thereon (such as "As Advertised"), and a pressure sensitive adhesive (preferably repositional) between the adhesive release coating the label face stock to releasably hold the plies together.

Abstract: Powder coating, process for the exterior coating of metal pipes, and use of the powder coating for the single-layer exterior coating of metal pipes. The powder coating comprises epoxy resins, phenolic crosslinking agents, catalysts, fillers and additives. The fillers used are crystalline silicic acids modified with glycidyl groups. The invention also relates to a process for the exterior coating of metal pipes and to use of the coatings for a single layer exterior coating of metal pipes.

Abstract: A pressure-sensitive adhesive composition with a pressure-sensitive adhesive property and heat resistance comprises a polyester having a polylactone structure as the main chain. A pressure-sensitive adhesive sheet with a releasing property of a peelable liner and containing no silicone can be obtained by using the pressure-sensitive adhesive composition in combination with a polyolefin film without being subjected to a silicone treatment as a peelable liner. When the pressure-sensitive adhesive sheet comprises a base material having formed thereon the layer of the pressure-sensitive adhesive composition and the back side of the base material has a surface composed of a polyolefin, neither a peelable liner nor a silicone treatment is required. The pressure-sensitive adhesive sheet is suitably used for computer instruments etc., because it contains no silicone.

Abstract: A carpet mat assembly with shock absorbing properties includes a mat made of closed cell foam sections. The mat sections are sized to be readily portable, preferably 4 ft by 6 ft in size. The mat thickness is selected to conform to ASTM F1292-96. Preferably, the mat thickness is 11/8" thick. The mat section is coated with a pressure sensitive adhesive covering on one side of the mat. The pressure sensitive adhesive is covered with a removable liner. The liner is removed to expose the pressure sensitive adhesive. Carpet is applied to the coated surface of the mat and the pressure sensitive adhesive bonds the carpet to the mat. The outer perimeters of each mat may be lined with 3M Velcro.RTM. for attaching multiple sections of the carpet mat assembly securely together. On the outer perimeter of mat sections not joined to other mat sections, an edge molding preferably made from the same closed cell foam, may be attached to the mat with a contact adhesive, or by other means.

Abstract: A cleaning sheet suitable for use in cleaning a recording apparatus including a region having an adhesive property provided on at least a part of one surface of a base sheet, and the other surface of the base sheet has a surface roughness ranging from 15 um to 60 um in terms of a ten point mean roughness Rz at a reference length of 8 mm in accordance with JIS B 0601. The surface roughness A um and the adhesive strength of B gf/25 mm satisfy the following relationship:0.05.ltoreq.A/B.

Abstract: A self-lubricating coating composition that is a curable admixture of two specific epoxy resin compositions; a di-epoxide reactive diluent; polytetrafluoroethylene; molybdenum disulfide, and mica. This composition, when cured, may be incorporated onto the undamaged surfaces or into damaged or worn areas of a substrate (e.g., aircraft fuel and oil pump housings).

Abstract: Adhesive film strip composite comprisinga) an adhesive film strip (2) which can be released by pulling in the direction of the bond plane (B), and whichb) on one of its adhesive sides is bonded to one side of a touch-and-close fastening (4,7), whilec) the other side of the touch-and-close fastening (4,7) is free and can be fastened.

Abstract: The present invention is directed to a variably imaged document, such as a permit or license which is a multiple layered form or label construction that can be attached to a window or any translucent surface. The multiple layered form or label assembly is constructed of two separate material combinations laminated together. A variably imaged receptive pressure sensitive stock is used in one combination and a pressure sensitive plastic film stock is used in the other and the two combinations are laminated together to form the multiple layered construction using adhesives and patterns of release coatings. The assembly is die cut in a fashion that allows the removal of the center laminated portion that carries the variable information for the license or permit and is die cut in a manner that provides the adhering of the document to the inside of the window via the pressure sensitive adhesive on the exposed perimeter of the transparent plastic film.

Abstract: A self-adhering walkway pad (20) comprises an elastomeric pad having upper and lower surfaces (21, 22) and a 100 percent solids tape (25) pre-applied to the lower surface of the pad, prior to use in the field. A method for applying walkway pads to roofing membranes comprises affixing a 100 percent solids tape to one flat surface of a walkway pad, prior to use in the field, the opposite side of the tape carrying a protective layer of release paper; stripping the release paper from the tape immediately prior to use; subsequently placing the exposed surface of the tape directly onto the upper surface of the roofing membrane and, applying force directly to the walkway pad to enhance the bond between the pad and the membrane, created by the tape.

Abstract: A game table fabric to be applied to the game table bed of a game table is provided, wherein the game table fabric comprises a woolen fabric having a nonpermanent releasable adhesive applied to a back side of the woolen fabric so that the game table fabric may be directly applied to the game table bed and the game table fabric of the present invention is readily repositionable during installation and removable after an extended period of use. The nonpermanent releasable adhesive is formed of a low tack polymeric material which is suitable for releasably adhering the game table fabric to the game table bed. By applying the game table fabric of the present invention directly to the game table bed, the use of additional glues or adhesives to adhere the game table fabric to the game table bed is essentially eliminated.

Abstract: The present invention relates to a removable double-sided adhesive tab comprising a tab body of substantially flat thin configuration. Each side of the tab is divided into a coated portion coated by an adhesive composition and an uncoated portion. The tab is adapted to be removably fixed to a supporting surface by means of one side and the other side is provided to be stuck to a display object. The uncoated portion has at least one grip element; this grip element is provided to facilitate easy gripping and peeling off the tab from the supporting surface, and a liftabilty effect is achieved no matter which side of the tab is placed against the supporting surface. The grip element comprises a crimp forming a localized surface deformity which causes the uncoated portion of the tab body to be slightly out of plane surface in the vicinity of the crimp. The thickness of the tab body is between 0.002 and 0.02 inches, and it can be made of either semi-rigid or rigid plastic material.

Abstract: Printable sheets such as business forms and adhesive play mats having removable labels integrated therein are produced by applying pressure-sensitive adhesive directly to the base sheet of the printable sheet without a paper backing and encapsulating the adhesive with a solid silicone layer. The base sheet is die cut or perforated in regions where the adhesive is applied to define removable labels.

Abstract: A water-borne epoxy resin coating composition comprised of: (a) particles of an epoxy resin having a neutral or positive surface charge dispersed in (b) water, an amount of (c) surfactant sufficient to disperse the epoxy resin in the water, the surfactant being a nonionic surfactant, amphoteric surfactant or mixture thereof and (d) a latent curing agent, may be applied to a metal substrate absent a primer coating and, subsequently, heated to form a cured coating on the substrate. The latent curing agent is (i) at least partially dissolved in the water, (ii) essentially insoluble with the epoxy resin and (iii) present in a sufficient amount to cure the epoxy resin. An example of a suitable latent curing agent is dicyandiamide. The cured coating displays excellent adherence, wear resistance and resistance to solvents such as acetone, a 1N HCl solution and a 1N KOH solution.

Abstract: A multilayered volume hologram structure of the invention comprises a substrate 2 for a certificate or the like, and an adhesive layer 5, a volume hologram layer 5 and a surface protective film 7 laminated on the substrate in the described order. When a multilayer structure consisting of the volume hologram layer 5 and surface protective layer 5 is forcibly released from the substrate for the purpose of making a photograph replacement or falsifying a personal information area, the volume hologram image can break down certainly, thereby ensuring prevention of falsification. A multilayered volume hologram structure-making label is useful for making a multilayered volume hologram structure.

Abstract: A prelaminated composite tape in a stable roll from which a composite adhesive closure tape tab (20) for disposable articles can be cut, which comprises a support sheet (21) and a mechanical fastener (30), wherein the support sheet (21) has a fastening surface (22) with a bonding layer (24) and a back side surface (23) that is provided with means for increasing the static friction, whereby a first axial extending section (25) of the support sheet (21) has a patch (26) comprising a mechanical fastener (30) disposed on the bonding layer (24), and a second axial extending section (31) of the support sheet has an exposed bonding layer which is attached to the edge portion (14) of the disposable article (10) in the production process.

Abstract: A self-adhesive label comprising a multilaminar label portion, a self-adhesive laminar material extending over and adhered by its self-adhesive surface to the multilaminar label portion and a self-adhesive support piece upon which the multilaminar label portion is disposed and to which the self-adhesive laminar material is adhered by its self-adhesive surface, the multilaminar label portion including a first folded part which is attached to the label and a second folded part which is removably attached to the first folded part.

Abstract: A thermally-conductive interface for conductively cooling a heat-generating electronic component having an associated thermal dissipation member such as a heat sink. The interface is formed as a self-supporting layer of a thermally-conductive material which is form-stable at normal room temperature in a first phase and substantially conformable in a second phase to the interface surfaces of the electronic component and thermal dissipation member. The material has a transition temperature from the first phase to the second phase which is within the operating temperature range of the electronic component.

Abstract: An epoxy resin composition comprising (a) an epoxy resin, (b) a curing agent, (c) a cure accelerator and (d) silica powder. The silica powder (d) is composed of (d1) a first silica powder having a particle diameter ranging from 5 to 75 .mu.m, (d2) a second silica powder having a particle diameter ranging from 0.2 to 0.9 .mu.m, and (d3) a third silica powder having a particle diameter ranging from 0.01 to 0.08 .mu.m.

Abstract: Electrographic recording elements suitable use as wallcoverings as disclosed. The element contains, in order: (a) a backside conductive layer; (b) a base; (c) a frontside conductive layer; and (d) a dielectric layer. The element has a wet shrinkage of less than about 2% in the machine direction and less than about 2%, preferably less than about 1%, in the cross-machine direction. In one embodiment the frontside conductive layer is a radiation cured conductive layer. In another embodiment the backside conductive layer is adhesive. In another embodiment the element additionally comprises a filled layer between the base and the frontside conductive layer.

Abstract: The present invention relates to a water-based high-solids moisture-resistant latex pressure sensitive adhesive which has a low coating viscosity and which has high shear, high compliance, and controlled adhesion buildup.

Abstract: A primer coating composition for use in polyolefin-backed pressure sensitive tape comprising a maleic anhydride modified chlorinated polyolefin covalently bonded to a maleic anhydride modified A-B-A block copolymer, where A is a thermoplastic polystyrene and B is a rubber midblock, by means of a crosslinking agent capable of reacting with the maleic anhydride functional groups in said polyolefin and said block copolymer a polyolefin-backed pressure sensitive tape employing the primer coating composition; and a method for manufacturing a polyolefin-backed pressure sensitive tape employing the primer coating composition are described.

Abstract: The present invention features a method of applying images and text to surfaces that ordinarily cannot fit within an inkjet printing machine, such as license plate blanks. The method of the invention uses a specially designed transfer sheet to receive inkjet ink images and text. The carrier layer of the transfer sheet containing the inkjet image and text is removed or otherwise peeled from the transfer sheet backing and then adhered to the license plate blank. A computer is used to construct the inkjet image and text that are printed onto the carrier surface of the transfer sheet. A final resin/pigment layer is coated upon the upper surface of the carrier layer in order to receive the inkjet ink that has been fashioned into image and text by means of the computer.

Abstract: A composite film and vacuum skin package for packaging a product such as a fresh red meat is disclosed. The composite film is thermoformed and sealed under vacuum to a support member to completely enclose a product which is positioned on the support member. The composite film is a permeable film weakly bonded to an impermeable film, permitting the impermeable film to be peeled from the package while leaving the permeable film intact so that the fresh red meat product can bloom from a purplish color to a desirable red color upon exposure to oxygen. The permeable and impermeable films are fully peelable without the need for a migratable wax to enhance peelability.

Abstract: A flexible decorative sheet for use in surfacing an automobile body panel includes a first polyester carrier sheet having a high gloss surface, a clear coat of a weatherable optically-clear polymer containing fluorocarbon resin and an acrylic resin coated on the surface of the first carrier sheet, a tie coat on the clear coat, and a color coat containing a chlorinated polymer with dispersed pigments cast on the tie coat and dried. A pressure-sensitive adhesive layer is formed on a second polyester carrier sheet and then laminated to the exposed face of the color coat to form a pressure-sensitive, adhesive-backed composite paint coat between the outer carrier sheets which form protective removable backing sheets for the resulting laminate. The decorative sheet is applied to a substrate panel by pressure-sensitive adhesive bonding techniques, with the clear coat serving as a glossy, weatherable protective outer layer for the underlying color coat.

Abstract: There are disclosed a pressure-sensitive adhesive sheet which comprises a substrate sheet, a pressure-sensitive adhesive layer formed on one side of the substrate sheet and a release layer comprising a cured product from an ionizing radiation-curing type releasable resin formed on the other side of the substrate sheet; and a laminate which comprises a plurality of these pressure-sensitive adhesive sheets that are superimposed on one another so that the pressure-sensitive adhesive layer and the release layer directly face each other and the whole surfaces of the pressure-sensitive adhesive layers are covered with the release layers. The above pressure-sensitive adhesive sheets and the laminate formed therefrom can be produced with good workability with a simplified apparatus without the generation of curls, and thus are well suited for use as display labels etc.

Abstract: The present invention relates to highly elastic polyurethane contact adhesives, a process to coat substrates with these contact adhesives, and the coated substrates produced by this process. This invention requires a) a polyisocyanate with a functionality of less than about 4 and b) a polyol blend comprising 1) about 90 to 100% polyethers with molecular weights from about 1,800 to 12,000 and average functionality from about 1.5 to about 4, and 2) up to about 10% of chain extenders with molecular weights from about 60 to 400 and average functionality from about 1.5 to about 3. The functionalities and amounts of components a) and b) are such that the molecular weight between crosslinks is from about 7,000 to about 16,000 and the equivalent ratio of isocyanate groups to isocyanate-reactive groups is from about 80:100 to about 120:100 and the urethane group content is from about 1 to about 8%. It is preferred that at least one of components a) and b) have a functionality of greater than about 2.2.

Abstract: A prelaminate has a plurality of layers intended for collective insertion in a mutually fixed spatial relation into the pinch between optionally heated, co-acting pressure rollers. The prelaminate includes a carrier layer, a first glue layer arranged thereon and adhered thereto, a cover foil, for instance of transparent material, such as PET, PVC or the like, and a second glue layer arranged thereon and adhered thereto. The two glue layers are directed toward each other. The layer have straight leading edges which are positioned above each other and are held in this registered position by a registering device. A rejecting device is used to prevent mutual adhesion between the two glue layers.

Abstract: An improvement for a file binder of the type having a back portion (4) made of a porous or nearly porous material, for instance cardboard, wherein the back portion has an inner side on which an amount of glue (6) which melts under the influence of head is provided, includes a layer of substantially non-porous material (5) disposed between the back portion and the glue.

Abstract: This invention relates to a label continuum comprising a long label substrate, an adhesive layer formed on the back thereof, a heat-sensitive developing layer formed on the surface of the label substrate and a release layer formed on the surface of the label substrate opposite to the adhesive layer when the label substrate is rolled up.