Abstract: Articles comprising a substrate, preferably a retroreflective sheeting, having a coating of a pressure-sensitive adhesive composition, and articles wherein the adhesive adheres the substrate to a highly monomericly plasticized PVC component, preferably a PVC coated fabric. The adhesive comprises a crosslinked copolymer of a first monofunctional acrylate ester of a non-tertiary alcohol having as a homopolymer a glass transition temperature of less than -25.degree. C., a nitrogen containing moderately basic monomer copolymerizable therewith selected from the group consisting of N,N-dialkyl substituted amides, an optional copolymerizable acidic monomer, an optional second monofunctional acrylate ester of a non-tertiary alcohol having as a homopolymer a glass transition temperature -25.degree. C. or greater, and a crosslinking agent. A method of bonding a highly monomericly plasticized PVC component to a substrate, preferably a retroreflective sheeting, using the adhesive.

Abstract: A method of manufacturing multi-ply tubular containers for food products is provided including the steps of advancing a continuous body ply formed of paperboard towards a shaping mandrel and advancing a continuous polymeric liner ply adjacent to one surface of the paperboard body ply. The polymeric liner ply includes a moisture barrier layer and an adhesive layer defining one surface of the liner ply, wherein the adhesive layer includes a polymeric adhesive which is activated at a predetermined activation temperature. The body ply is heated to a temperature above the activation temperature of the adhesive, and the body ply and the liner ply are then passed in face-to-face contact through a nip to adhere the liner ply to the body ply. The body ply and liner ply are then wrapped around a shaping mandrel to create the tubular container.

Abstract: The present invention provides a pressure sensitive adhesive comprising the polymerization reaction product of starting materials comprising:(a) 50 to 100 parts by weight of at least one acrylic or methacrylic ester of a non-tertiary alkyl alcohol in which the alkyl group contains 4 to 20 carbon atoms;(b) 0 to 50 parts by weight of at least one reinforcing monomer, copolymerizable with component (a), the sum of (a) and (b) amounting to 100 parts by weight; and(c) 0.1 to 15 parts by weight, per 100 parts by weight of the sum of components (a) and (b), of a substantially soluble chlorinated polyolefin;said starting materials being substantially solvent-free.

Abstract: A layered polyamide film includes a polyamide substrate; and an adhesiveness-improving layer provided on at least one surface of the polyamide substrate. The adhesiveness-improving layer includes a graft copolymer of a polyester and an acrylic polymer. Another layered polyamide film includes a printing ink layer, an adhesive layer, and a sealant layer sequentially laminated on the adhesiveness-improving layer. A method for producing such a layered polyamide film includes the step of applying an aqueous dispersion of the graft copolymer of the polyester and the acrylic polymer to at least one surface of the polyamide substrate to form an adhesiveness-improving layer and, if necessary, laminating a printing ink layer, an adhesive layer, and a sealant layer on adhesiveness-improving layer.

Abstract: Fabric adhesive tape for wrapping cable harnesses, havinga) a permeable fabric base containing a halogen- and antimony-free flameproofing agent andb) a polar self-adhesive composition containing a halogen-and antimony-free flameproofing agent.

Abstract: Acrylate copolymer pressure sensitive adhesives (PSAs) which incorporate relatively small amounts of a plasticizer are disclosed. The resulting PSAs exhibit improved low temperature performance and minimal effect on other properties, when used as adhesives for graphic marking films. The adhesive system has been found to allow the graphic marking film to be applied at temperatures as low as 20.degree. F. (-7.degree. C.) and to improve the ability of the film to be applied to a substrate without trapping air between the marking film and the substrate. The adhesive system of the marking film also demonstrates resistance to tenting around the compound curved surfaces of rivet heads and corrugations typical of truck trailer sides.

Abstract: An electronic assembly containing an active circuit, an insulating layer and a heat sink. The insulating layer comprises an unfilled thermoplastic sheet having adhesive layers on opposite sides of the sheet. The adhesives are filled with thermally conductive material while the film is unfilled. The properties of the insulating layer are such that the thermal impedance is low while dielectric strength is high. These improved films reduce costs, improve thermal and electrical properties. The layers of the invention are particularly useful for single or multiple layer printed circuit boards having surface mount components in conjunction with a sheet like aluminum heat sink.

Abstract: An adhesive tape is provided which comprises a woven cloth, a polymer embedded into the cloth so as to cause the warp and weft fibers of the cloth to bond together at their overlapping points but not to completely encase the fibers, and a pressure sensitive adhesive coated onto at least a portion of the polymer, wherein the adhesive tape is hand tearable in the down-web and in the cross-web direction. A method of manufacturing such a tape is also provided.

Abstract: A pressure-sensitive adhesive sheet 1A is for use by sticking onto a liquid crystal cell, and it has a construction wherein the pressure-sensitive adhesive layer 3 is joined to one side of the base material layer 2 which is constructed with a light-polarizing sheet and a release sheet 4 stuck onto the other side from the base material layer 2 of the pressure-sensitive adhesive layer 3. As a main polymer for constituting the pressure-sensitive adhesive layer 3, an acrylic-based polymer is for example used, of which weight-average molecular weight is 600,000 to 2,000,000. Further, a plasticizer is added to the pressure-sensitive adhesive layer 3. According to the pressure-sensitive adhesive sheet, the stress which is produced by contraction, for example, of the base material layer is relieved and stress concentration can be reduced. In particular, white marking and color unevenness of the liquid crystal cell can be suppressed.

Abstract: The present invention proves a transfer type image protecting film having a base film, an ultraviolet absorbing layer formed on a surface of the base film, and a surface adhesive layer formed on the ultraviolet absorbing layer and containing no ultraviolet absorber. This image protecting film is capable of effectively protecting and image from ultraviolet rays. The present invention also provides a method of producing the same image protecting film.

Abstract: TPE's which comprise A blocks or B blocks or both A blocks and B blocks, which are crystalline and in which at least a part of the crystallinity result from the presence of crystallizable side chains. Such crystalline blocks are referred to as SCC blocks. TPE's containing SCC A blocks are novel and as such form part of the present invention. The invention also includes processes, compositions, shaped articles and assemblies which make use of TPE's containing SCC A blocks.

Abstract: The invention relates to a photographic support material with a backlayer and to a coating composition for producing this backlayer. The layer is distinguished by excellent writing properties with pencils and is free of contaminations by aged developing baths. It is composed of carboxylated acrylate copolymer, organic polyacid, coarse-grained silica, thickener and, preferably, colloidal aluminium-modified silica.

Abstract: The present invention discloses a method of and composition for bonding a tubular first object to an inwardly located second object by using an adhesive coating. The coating includes water, a glue and a polymer. The coating is preferably applied to the inner surface of the first object and is dried so that the object may be stored for years prior to use. When ready for use, the coating is activated by wetting it with water so that the first tubular object can easily slide along the outer surface of the inwardly located second object to a desired position. The present invention further teaches a handgrip bonded to a golf club using the method described above.

Abstract: The invention relates to a film composite comprising a thin flexible backing bearing a first layer of adhesive comprising a blend of from 10-99 wt. % of an acrylic latex and from 1 to 90 wt. % of heat-activatable urethane latex, and a second adhesive layer applied on top of said first adhesive layer comprising a pressure-sensitive adhesive exhibiting an initial adhesion as to allow reliable positioning and initial removability of said film composite on a substrate and an adhesion build-up to permanently bond the film composite to the substrate after a prolonged dwell time. The invention further-more relates to the use of a film composite comprising a thin flexible backing bearing a first adhesive layer comprising a blend of from 10-99 wt. % of an acrylic latex from 1 to 90 wt.

Abstract: Tackified pressure-sensitive adhesives and tapes comprising a copolymer based on an acrylic backbone, with a glycidyl monomer, unsaturated carboxylic acid monomer and preferably a vinyl lactam monomer, and a tackifier, said adhesives being dual curable and exhibiting outstanding peel adhesion and high temperature shear performance.

Abstract: This adhesive for laminating vinyl face stock to solid substrates has good initial peel strength, retains peel strength and is emulsion polymerized and compounded in the absence of sodium or lithium cations.

Abstract: The present invention provides a cover tape comprising a tapelike base material 1, adhesive parts 2 formed on one side of the base material 1 at both edges along the longitudinal direction thereof, and a nonadhesive resin part 3 formed between the adhesive parts 2 and having substantially the same thickness as that of the adhesive parts 2. This cover tape is used to collectively pack chips and other small items while keeping them separate from each other to thereby permit the storage, transportation and automatic takeout thereof, which cover tape can be rendered very long. Further, the present invention provides a coating applicator suitable for use in the production of the above cover tape.

Abstract: A pressure sensitive adhesive that includes:(a) the polymerization product of:(i) 25-98 parts by weight of an acrylic acid ester of a monohydric alcohol whose homopolymer has a T.sub.g less than 0.degree. C.;(ii) 2-75 parts by weight of a non-polar ethylenically unsaturated monomer whose homopolymer has a solubility parameter of no greater than 10.50 and a T.sub.g greater than 15.degree. C.; and(iii) 0-5 parts by weight of a polar ethylenically unsaturated monomer whose homopolymer has a solubility parameter of greater than 10.50 and a T.sub.g greater than 15.degree. C.; and(b) at least one tackifier that is miscible in the polymerization product at room temperature.

Abstract: Described is a colored film formed of a transparent film and at least one colored adhesive layer arranged on one side of the transparent film. The adhesive layer has been colored by a colorant composed of a pigment and a dispersant. The dispersant comprises a (meth)acrylate ester polymer formed, as essential monomer components, of an aromatic vinyl monomer, a primary to tertiary amino-containing (meth)acrylate ester monomer and a (meth)acrylate ester monomer containing an ammonium group quaternized with an aromatic compound.

Abstract: A radiation-cured adhesive film having differential adhesion on opposing surfaces of the adhesive layer is provided. The film comprises a backing layer having coated thereon a radiation-cured adhesive copolymer layer, said copolymer comprised of one or more urethane oligomers A, optionally one or more B monomers, and a macromer C defined by the formula X--(Y).sub.

Abstract: A pressure-sensitive adhesive composition comprising a blend of both an acrylic ester-acrylic acid-macromolecular monomer copolymer adhesive component and an acrylic ester-acrylic acid-hydroxylated ether alkyl acrylate copolymer adhesive component in a ratio range of about 90:10 to 10:90 by weight of these components, methods for making such pressure-sensitive adhesive blends and tape articles having novel pressure sensitive adhesive blend components.

Abstract: A medical adhesive product is provided comprising a substrate, a pressure sensitive adhesive on one face of the substrate and a layer of a polymer composition on the surface of the pressure sensitive adhesive wherein the polymer composition has low or no significant tack at temperatures below that of skin temperature but which is a pressure sensitive adhesive at skin temperature. The product may be moisture vapor permeable and have a moisture vapor transmission rate of at least 500 g m.sup.-2 24 h.sup.-1 at 37.degree. C. and at a relative humidity difference of 100 to 10%.

Abstract: A pellicle structure comprises a frame having a vertical through opening and a pellicle film spread on the upper the upper end of the opening of the frame. The pellicle film has a coating layer comprising a coating agent formed at least on the inner surface thereof, and a bonding portion for bonding the end edge of the frame to the peripheral edge of the pellicle film through an adhesive layer. The coating agent, in the bonding portion, is dissolved or dispersed in the adhesive so that the pellicle substrate is directly contacted by and bonded to the adhesive.

Abstract: A pressure sensitive adhesive tape that employs a water-dispersible polymer is provided. The adhesive can comprise microparticles and a water-dispersible component; or microparticles and a novel water-dispersible polymer that contains a plurality of poly(alkoxyalkyl)acrylate units as a major component. The tape may be used with labels for containers, sterilization indicator tapes and labels, surgical wrappers, mammalian body coverings, and in the preparation of paper web splices. The tape may be repulpable and/or laundearable.

Abstract: Tackified pressure-sensitive adhesives and tapes comprising a copolymer based on an acrylic backbone, with a glycidyl monomer, unsaturated carboxylic acid monomer and preferably a vinyl lactam monomer, and a tackifier, said adhesives being dual curable and exhibiting outstanding peel adhesion and high temperature shear performance.

Abstract: A method of adhesively securing first and second members together by sliding movement of the members along an interface where the members are to be joined by an adhesive layer having opposed normally tacky and normally sliding-movement-resistant sides includes the step of applying a liquid to an exposed side of the adhesive side to reduce its tackiness. After sliding assembly of the members, the liquid is transmitted from the side of the adhesive to the interior of the adhesive to enable tack increase at the exposed adhesive side and adhering of the members together. The adhesive includes a moisture absorbing component to enable liquid accumulation at the exposed side and subsequent transmission to the adhesive interior.

Abstract: A peelable and heat sealable lidstock material comprises a metal or polymer substrate laminated with a film comprising a mixture of a butene-1 and ethylene copolymer, an ethylene homopolymer or copolymer, an inorganic filler and optionally, a propylene homopolymer or copolymer. The filler makes up at least about 18 wt. % of the mixture and is preferably talc having an average particle size of about 1-2 microns and a carboxylic acid surface coating.

Abstract: A pressure sensitive adhesive tape that employs a water-absorptive backing, a microparticle-containing pressure sensitive adhesive and a water-dispersible component is provided. A method of bonding close fitting parts is also disclosed. In the method, a microparticle-containing pressure sensitive adhesive tape (with or without the water-dispersible component in the adhesive) is employed. Articles made using the tape and/or by the method are also disclosed.

Abstract: Use of a paper carrier for the production of a repulpable carton sealing tape which is finished on one side with a repulpable self-adhesive composition and on the other side with a repulpable silicone-free release based on a copolymer of amide/styrene together with a film-forming agent.

Abstract: A pressure-sensitive adhesive having excellent heat resistance, comprising a photopolymerization product of a composition comprising;a) 100 parts by weight of a monomer mixture comprising from 70 to 100% by weight of a (meth)acrylic acid alkyl ester having from 2 to 14 carbon atom on the average in the alkyl moiety and from 30 to 0% by weight of a monoethylenically unsaturated monomer copolymerizable with the (meth)acrylic acid alkyl ester,b) from 0.02 to 5 parts by weight of a polyfunctional (meth)acrylate as a crosslinking agent, andc) from 0.01 to 4 parts by weight of a photopolymerization initiator,wherein a content of the solvent-insoluble components is at least 60% by weight and a remaining amount of the unreacted monomers is less than 5,000 ppm.

Abstract: A method of producing an acrylic emulsion adhesive characterized in that a composition comprising 100 parts by weight of a monomeric mixture of alkyl (meth)acrylate, acrylic acid, methacrylic acid and N-vinylpyrrolidone, 0.5-2 parts by weight of a surfactant mixture of an anionic surfactant and a nonionic surfactant, and 0.03 to 0.5 part by weight of a polymerization initiator is subjected to emulsion polymerization reaction. The acrylic emulsion adhesive of this invention is rich in solids, features good adhesion and cohesion as well as high water resistance. Therefore, by coating one side of a transparent support, this adhesive can be used as an adhesive sheet for surface protection.

Abstract: Pressure sensitive adhesives and heat activatable adhesives that are the reaction product of an acrylic acid ester of a monohydric alcohol whose homopolymer has a T.sub.g less than 0.degree. C.; a non-polar ethylenically unsaturated monomer whose homopolymer has a solubility parameter of no greater than 10.50 and a T.sub.g greater than 15.degree. C.; 0-5 parts by weight of a polar ethylenically unsaturated monomer whose homopolymer has a solubility parameter of greater than 10.50 and a T.sub.g greater than 15.degree. C.; and an electrically conductive agent.

Abstract: A multi-cycle refastenable tape closure system is disclosed. The tape closure system comprises a fastener tape component having double-coated surfaces of pressure sensitive adhesive having the same or substantially similar pressure sensitive adhesive properties and preferably also a release tape component having opposing surfaces of pressure sensitive adhesive and a low adhesion release layer. The fastener tape component and the release tape component are capable of firmly adhering to opposing body coverings or along opposing edges of one body covering and capable of releasably adhering to each other to provide a multi-cycle refastenable contact of opposing body coverings or closure of the body covering opposing seams in an overlapping, low profile manner. A method of using a multi-cycle refastenable tape closure system is also disclosed.

Abstract: We have discovered a low trauma wound dressing including a moisture-vapor permeable backing and a contiguous particulate adhesive layer comprised of tacky, substantially solvent-insoluble, solvent-dispersible, acrylate-based, elastomeric, pressure-sensitive adhesive microspheres.

Abstract: A splicing tape adhesive comprising 97% to 45% by weight of an 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 of a least one carboxylic acid, 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. in the presence of a chain transfer agent, from about 25% by weight of an acrylic polymer having a glass transition of less than -50.degree. C. and about 3% to about 20% by weight plasticizer.

Abstract: A pressure sensitive adhesive tape that employs a water-absorptive backing, a microparticle-containing pressure sensitive adhesive and a water-dispersible component is provided. A method of bonding close fitting parts is also disclosed. In the method, a microparticle-containing pressure sensitive adhesive tape (with or without the water-dispersible component in the adhesive) is employed. Articles made using the tape and/or by the method are also disclosed.

Abstract: A pressure-sensitive adhesive composition showing the adhesive force and the cohesive force with a good stability is disclosed. The composition comprises a copolymer of a (meth)acrylic acid alkyl ester (a) having an alkyl group having from 2 to 14 carbon atoms and a (meth)acrylic acid alkyl ester (b) having a carboxyl group or a hydroxyl group at the terminal end and having an alkyl group having from 3 to 14 total carbon atoms as the ester side chain. In particular, when the carbon atom number of the alkyl group of the monomer (b) is less by one than or not less than the same number as the carbon atom number of the alkyl group of the monomer (a), the effect of the functional group can be most effectively exhibited. A pressure-sensitive adhesive tape or sheet is also disclosed, comprising a support having formed at least one surface thereof the pressure-sensitive adhesive layer comprising the pressure-sensitive adhesive composition.

Abstract: A disposable tape tab for a diaper or a like article is provided with at least a fastening tape tab portion and a release tape tab portion, the fastening tape tab portion having a fastening surface which fastening surface is on a face opposite the adhesive surface face of the release tape tab portion. The fastening tape tab portion and said release tape tab portion are joined by at least one adhesive-to-substrate bond with no adhesive layer to adhesive layer contact. Preferably the fastening surface on the fastening tape tab is a pressure sensitive adhesive, with both the fastening tape tab and the release tape tab having a release layer on the face opposite the face having the adhesive layer.

Abstract: Pressure sensitive adhesives (PSA) having a reduced volatile fraction content are provided by a process which comprises extracting a cured PSA with a fluid in or near its supercritical state. The process provides PSAs and articles containing PSAs which meet the volatility requirements of ASTM E-595. A silicone PSA transfer film having utility in outer space is obtained.

Abstract: A heat-activatable adhesive article is provided. The article, preferably a tape, includes a substantially laterally stable heat recoverable carrier film having at least one surface comprising a recessed surface portion and a raised surface portion therein; and an adhesive layer in the recessed surface portion in an amount such that the adhesive does not extend above the raised surface portion thereby forming an exposed raised surface portion. In use, the carrier film recovers upon exposure to heat thereby allowing the adhesive in the recessed surface portion to contact a substrate. The heat-activatable adhesive article can be positionable, repositionable, or both.