Abstract: A laminated polyester film stretched in at least one direction, comprising:a polyester support, andat least one enhanced adhesion layer laminated on the polyester support, comprising a composition comprising:(1) an aromatic copolyester (A1) having a water-dispersible functional group, a polyvinyl alcohol resin (B1), and a vinylpyrrolidone copolymer resin (C1); or(2) an aromatic copolyester (A1) having a water-dispersible functional group, a polyvinyl alcohol resin (B1), and a polyglycerol polyglycidyl ether (C2); or(3) an aqueous-type polyurethane (A3), a polyvinyl alcohol resin (B3), and inert particles wherein the thickness (L) of the adhesion layer and the average particle diameter (d) of said inert particles satisfies the equation1/3.ltoreq.d/L.ltoreq.3.

Abstract: A multilayer film useful for making plastic adhesive labels for glass substrates such as glass bottles. The multilayer films contain a base layer, an adhesive layer, and optionally an intermediate layer to improve interlayer bonding between the base layer and the adhesive layer. The adhesive layer comprises a heat-activated thermoplastic adhesive that is not tacky at room temperature. Films of the present invention are sufficiently non blocking at room temperature so as to not require the use of a separate release liner. The film can be utilized in conventional graphics printing operations and made into labels. Labels made from films of the present invention can be thermally adhered to glass substrates and exhibit sufficient adhesion to glass substrates to withstand washing/rinsing, filling, and pasteurization processes utilized in the bottling industry.

Abstract: A heat-activated sealing tape for manufacturing or sealing a carton or other article. The tape is composed of a paper layer, a layer formed of oriented plastic film which is adhesively laminated to the paper layer, and a heat-activatable adhesive exposed for use in adhering the paper-plastic film laminate to an object. The heat activatable adhesive is inactive at ambient temperatures. When exposed to low temperature heat sealing conditions, the adhesive is activated and enables the tape to be adhered to the article to be sealed. The sealing tape is designed for ease of handling and reduction in waste, and is adaptable for use in existing automatic and semi-automatic equipment for manufacturing or sealing cartons.

Abstract: A multilayer heat-shrinkable film comprisesa heat-sealable layer (a);an inner layer (b) comprising a polymer selected from the group consisting of ethylene-vinyl acetate copolymers containing from 4 to 28% by weight of vinyl acetate units and with a fractional Melt Index, and ethylene-alkyl acrylate copolymers containing from 9 to 28% by weight of alkyl acrylate units and with a fractional Melt Index;an inner layer (c), face-to-face in contact with layer (b), comprising a polymer selected from the group consisting of ethylene-acrylic acid copolymers, ethylene-methacrylic acid copolymers, ethylene-vinyl acetate copolymers, ethylene-alkyl acrylate copolymers, heterogeneous ethylene-.alpha.-olefin copolymers, and homogeneous ethylene-.alpha.

Abstract: A multi-component adhesive system for adhering polar surfaces to non-polar surfaces comprising: (a) a non-polar adhesive layer for bonding to a non-polar surface; and (b) polar adhesive layer bonded to said non-polar adhesive layer for bonding to a polar surface.

Abstract: A multilayer, thermoplastic stretch wrap film containing at least three polymeric film layers and comprised of a first layer and a second layer. The first and second layers may comprise a polymer of two or more monomers, wherein a first monomer is ethylene, in a major amount by weight, and a second monomer is an alpha olefin of from about 3 to about 12 carbon atoms, in a minor amount by weight. If the first and second layers are outer layers, they have a cling force to each other of at least about 140 grams/inch. The stretch wrap film also has at least one inner polymeric layer, located between the first and second layers. The inner polymeric layer comprises a low polydispersity polymer having a polydispersity of from about 1 to about 4, a melt index (I.sub.2) of from about 0.5 to about 10 g/10 min., and a melt flow ratio (I.sub.20 /I.sub.2) of from about 12 to about 22. The inner layer(s) comprise(s) from about 5 wt. % to about 40 wt.

Abstract: A thermally conductive conformable interface layer for use in mounting electronic devices such as transistors or the like onto the surface of a chassis or heat sink. The thermally conductive interface material forms a highly conductive thermal bridge or transfer medium between the external surfaces of the electronic device and the heat sink. The thermally conductive material comprises a multi-layer laminate, typically a polymeric thermally conductive layer along with a film of adhesive bonded thereto. The polymeric layer is preferably a silicone resin, such as polydimethylsiloxane blended with a thermoplastic adhesive such as linear saturated polyester. The polydimethylsiloxane may be filled with a thermally conductive material such as graphite with an adhesive layer being utilized to attach the polymeric layer onto the device and heat sink.

Abstract: The invention pertains to an ethylene-propylene copolymer which when added to stretch film used in palletizing reduces the noise involved in use. The ethylene-propylene copolymer tackifier has a weight average molecular weight in the range of 7,000 to 18,000 and an ethylene content of 15-28 weight percent and results in polyethylene stretch films having both desirable cling and noise levels.

Abstract: A multi-layer article comprises a fluoropolymer layer comprising interpolymerized units derived from vinylidene fluoride, and a melt-processable, substantially non-fluorinated polymer layer comprising a polyamide, polyimide, polyurethane, or a carboxyl, anhydride, or imide functionalized polyolefin. The non-fluorinated polymer layer further contains an aliphatic di-, or polyamine which provides increased adhesion between the fluoropolymer layer and the non-fluorinated polymer layer.

Abstract: A sheet for providing an ink-receiving layer comprising a peelable substrate provided with an ink-receiving layer and an adhesive layer laminated thereon in this order or a sheet for providing an ink-receiving layer comprising a peelable substrate provided with an adhesive layer laminated thereon, which adhesive layer has ink-receiving property.

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: A composite film for forming a resinous coating film on a surface of a to-be-coated material. The composite film has at least one water-soluble resinous coating film, at least one of which is formed on a surface of the composite film which is brought into contact with the surface of the to-be-coated material closely, and a base sheet to which the water-soluble resinous coating film adheres and transmits light therethrough. The water-soluble resinous coating film formed on the surface of the composite film which is brought into contact with the surface of the to-be-coated material closely is hardened in close contact with the to-be-coated material, with water interposed between the water-soluble resinous coating film and the to-be-coated material and adheres to the to-be-coated material to form a water-insoluble coating film. It is preferable that the application amount of the water is in a range of 1.5 g/m.sup.2 -10 g/m.sup.2.

Abstract: A sheet for protecting paint film comprising a support having formed thereon a rubber adhesive layer comprising an isobutylene polymer having a degree of dispersion of from 1 to 2.3 and a weight average molecular weight of 300,000 to 600,000 (the domain A in the FIGURE) as the base polymer.The paint film protecting sheet has the compatibility of the prevention of the occurrence of a microdeformation and a good peelability. That is, when an article such as automobiles having a paint film applied with the protecting sheet is placed outdoors for a long period of time at high temperature, the paint film is hard to deform and the sheet can be easily peeled even after adhering for a long period of time.

Abstract: For solving a problem of large dependency of peel-off strength upon sealing conditions, a problem of change of various properties with the lapse of time under storing circumstances, a delamination problem, an agglomerate problem and a transparency problem, there is provided a cover tape for packaging electronic components which has a stable peel-off strength and is composed of an outer layer consisting of a biaxially oriented film of any one of polyester, polypropylene and nylon; an intermediate layer consisting of a mixture comprising polyethylene as the main component; and a heat sealant layer consisting of a mixture of a thermoplastic resin and a filler.

Abstract: Unsupported pressure sensitive adhesive (PSA) films of tacky, polymeric microspheres are provided. The opposite major surfaces of the film provide different levels of peel adhesion, allowing for removability without substrate damage. In addition, the PSA films provide high shear strength and good tensile properties.

Abstract: An adhesive resin composition contains at least a partially or wholly graft-modified .alpha.-olefin/aromatic vinyl compound random copolymer having a graft quantity of an unsaturated carboxylic acid or its derivative ranging from 0.01 to 30% by weight. A laminate comprises (I) a polyester resin layer or a polycarbonate layer, (II) an adhesive layer formed from the above-mentioned adhesive resin composition and (III) a saponified olefin/vinyl acetate copolymer layer. The adhesive resin composition is free from lowering of adhesive strength even when contacted with, for example, hot water. The laminate has excellent gas barrier properties and is capable of being subjected to retorting treatment.

Abstract: A printing sheet having a high gloss and an enhanced ink-setting property has an outermost surface coating layer formed on a substrate sheet from an electron beam-cured resin produced from at least one electron beam-curable unsaturated organic compound having a dimer acid structure derived from unsaturated higher fatty acid.

Abstract: A multiple layer structure comprising a skin layer, a barrier layer, a radio frequency susceptible layer having a first polyolefin in an amount within a range of 30-60% by weight, a second polyolefin in an amount within the range of 25-50% by weight, a radio frequency susceptible polymer in an amount within the range of 3-40% by weight, a styrene and hydrocarbon block copolymer in an amount within the range of 5-40% by weight of the sealant layer.

Abstract: A sandblast mask laminate useful in sandblasting operations is disclosed. The laminate comprises a photoresist mask layer, a pressure sensitive adhesive composition comprising a non-elastomeric resin and a tackifier in combination to produce a composition having a T.sub.g of less than about -40.degree. C., a carrier film layer and a release liner.

Abstract: The present invention provides for improved polyolefin cling/slip stretch wrap films having superior load retention, elongation, tear resistance and puncture resistance properties and for the methods of using those stretch wrap films. The stretch wrap films are preferably constructed in a multilayer fashion having an outside cling layer, an outside slip layer, at least one inside puncture resistant layer comprising a metallocene-catalyzed polyethylene resin, and at least one inside transverse direction tear resistant layer.

Abstract: A multilayer film and a pouch containing a flowable material are disclosed. The multilayer film is made from two layers of a sealant film with an interposed layer of a polyethylene. The sealant film is made from a material comprising 10 to 100 parts by weight of a copolymer of ethylene and at least one C.sub.4 -C.sub.10 alpha-olefin manufactured in a polymerization process using a single-site polymerization catalyst and from 0 to 90 parts by weight of at least one polymer selected from the group consisting of a linear copolymer of ethylene and at least one C.sub.4 -C.sub.10 alpha-olephin having a density of from 0.900 to 0.930 g/cm.sup.3 and a melt index of from 0.3 to 2.0 dg/min, a high-pressure polyethylene having a density of from 0.916 to 0.930 g/cm.sup.3 and a melt index of from about 1 to 10 dg/min, and blends thereof. The polyethylene of the interposed layer is a high density polyethylene with a density of at least 0.930 g/cm.sup.3 and a melt index of less than dg/min.

Abstract: Heat sealable polymeric films having an outer, polymeric heat seal layer with a viscosity at its heat sealing temperatures such that it will flow into interstitial spaces between the fibers of a fibrous material and encapsulate the fibers at such temperatures, an intermediate polymeric layer in contact with the heat seal layer, the intermediate polymeric layer being capable of cohesively splitting when the heat sealed film is peeled, and at least one further polymeric layer, the heat seal layer being easier to fracture than the intermediate layer at the temperature at which peeling is to be effected so that heat seal layer ruptures rather than peeling continuing through the intermediate layer once peeling has been effected through the heat sealed zone.

Abstract: A composite article comprising of a non-metallic composite core, a fluoroelastomer adhesive layer which has a curing temperature substantially similar to the composite core, and a metallic structure which overlays the fluoroelastomer adhesive layer, wherein the composite article can be formed by co-curing the core and the fluoroelastomer adhesive layer.

Abstract: The present invention provides a pressure-sensitive adhesive sheet for surface protection which has been laminated the following three layers of:(A) a layer which contains 60-100% by weight of an elastomer, containing 100-50% by weight of a hydrogenated random copolymer consisting of 1-50% by weight of styrene and 99-50% by weight of a diene hydrocarbon and 0-50% by weight of a low-molecular-weight elastomer, and 40-0% by weight of a polyolefin;(B) a layer which contains 3-95% by weight of a hydrogenated random copolymer consisting of 1-50% by weight of styrene and 99-50% by weight of a diene hydrocarbon and 97-5% by weight of a polyolefin; and(C) a layer which has at least one layer of a polyolefin,which has good adhesion to an object to be adhered, which can be easily removed (peeled off) from an object to be adhered after exposure to carbon arc, which has also good adhesion between the respective layers and which neither stains the surface to which the adhesive sheet is adhered nor leaves any adhesion mark

Abstract: The present invention relates to a closure giving a tight mechanical seal and preferably made from metal or plastic, with an insert on its inner side as a sealing element for containers, in particular for bottles and glassware, where the insert is composed of at least one polyolefin which can be prepared using catalysts selected from the class consisting of the metallocenes.

Abstract: The present invention relates to a flame retardant hot melt composition comprising from about 20% to about 60% by weight of the adhesive of at least one copolymer of ethylene, from about 10% to about 50% by weight of the adhesive of a flame retarding hydrated inorganic compound, from about 10% to about 30% by weight of at least one high melting point wax and from about 1% to about 10% by weight of at least one tackifying resin.

Abstract: A pressure sensitive adhesive composition is disclosed which comprises an acrylic copolymer (A), an energy beam polymerizable urethane acrylate oligomer (B) and an energy beam polymerizable compound having one acryloyl group or methacryloyl group in each molecule thereof (C). This composition is preferred to further contain a plasticizer (D), a crosslinking agent (E) and/or a photopolymerization initiator (F) according to necessity. The pressure sensitive adhesive composition has satisfactory pressure sensitive adherence and initial adhesion before the irradiation with energy beam and the adhesive strength thereof is sharply reduced with maintaining the rubber elasticity after the irradiation with energy beam. Further, the pressure sensitive adhesive composition ensures excellent chip alignability in the expanding step subsequent to dicing.

Abstract: A method for protecting a substrate sheet such as a conductive foil suitable for use in the manufacture of printed circuit boards involving applying a lamination mold-release layer to one side of a protective film, and applying a preferably electron beam curable adhesive pressure-sensitive coating to the other side of the film, curing the adhesive coating, and laminating the protective film to the foil or other substrate sheet, which, in turn, may be laminated to other substrates such as dielectric sheets, and in which the laminate product is a protected substrate sheet having a protective film laminated to one side of the sheet (or both), the film having a lamination mold-release layer on one side thereof and an electron beam cured pressure-sensitive adhesive coating on the other side thereof, said other side contacting but being releasably detachable from said substrate sheet, and further wherein the substrate sheet is a foil or similar surface, protection is thus provided during handling and storage as wel

Abstract: The invention relates to a pressure sensitive adhesive prepared from an aqueous emulsion polymer. The polymer is prepared by reacting at least one ethylenically unsaturated monomer and from about 0.1 to about 5 weight percent, based on the total weight of ethylenically unsaturated monomer, of a water-soluble or water-dispersible polymerizable surfactant having a terminal allyl amine moiety. The pressure sensitive adhesives may be used in all types of tapes, labels, decals, packaging, electrical insulation, and surgical bandaging.

Abstract: A hot melt useful for packaging, comprising from about 10% to about 30% by weight of at least one copolymer of ethylene and methyl acrylate (both acrylates and methacrylates); from about 10% to about 20% by weight of at least one copolymer of ethylene and n-butyl acrylate (both acrylates and methacrylates), wherein the total polymer content does not exceed 40% by weight, and the total ethylene n-butyl acrylate copolymer content does not exceed the total ethylene methyl acrylate copolymer content by percent weight in the adhesive; from about 20% to about 60% by weight of at least one tackifying resin selected from the group consisting of rosins and modified rosins and hydrogenated derivatives; aliphatic, cycloaliphatic and aromatic hydrocarbon resins and modified hydrocarbon resins and hydrogenated derivatives; terpenes and modified terpenes and hydrogenated derivatives; and mixtures thereof; from about 5% to about 30% by weight of at least one wax; and up to about 2% by weight of an antioxidant; wherein the r

Abstract: Self-adhesive protective film, in particular for cars, characterized in that a self-adhesive composition is applied to a film as support, the film consisting of a mixture of40 parts by weight to 70 parts by weight of polyethylene,20 parts by weight to 40 parts by weight of polypropylene,8 parts by weight to 15 parts by weight of titanium dioxide,0.3 part by weight to 0.7 part by weight of light stabilizers, andthe self-adhesive composition consisting of polyethylene vinyl acetatehaving a vinyl acetate content of from 40 mol-% to 80 mol-%, especially 70 mol-%, andhaving a loss angle tan .delta. of from 0.6 to 1.0, measured at a temperature of 60.degree. C. and a frequency of 10.sup.-2 Hz, and from 0.4 to 0.7, measured at a temperature of 60.degree. C. in a frequency of 10 Hz.

Abstract: A multilayer, thermoplastic stretch wrap film containing at least three polymeric film layers and comprised of an inner polymeric layer. The inner polymeric layer comprises a blend of a low polydispersity polymer and either a high pressure low density polyethylene resin, a very low density polyethylene resin or a combination thereof. The low polydispersity polymer has a polydispersity of from about 1 to about 4, a melt index (I.sub.2) of from about 0.5 to about 10 g/10 min., and a melt flow ratio (I.sub.20 /I.sub.2) of from about 12 to about 22. The high pressure low density polyethylene resin has a melt index of from about 1 to about 10 g/10 min., and a density of from about 0.9 to about 0.935 g/cm.sup.3. The very low density polyethylene resin has a melt index of from about 0.5 to about 5 g/10 min., and a density of from about 0.880 to about 0.912 g/cm.sup.3. The stretch wrap film may include a first layer and a second layer.

Abstract: A heat-transfer label that is well-suited for use on untreated polyethylene. In one embodiment, the label includes a support portion, the support portion comprising a paper carrier web. The label also includes a wax release layer overcoating the paper carrier web. The label further comprises a transfer portion printed on top of the wax release layer, the transfer portion including a protective lacquer layer, an ink layer and an adhesive layer. The protective lacquer layer is printed onto the wax release layer and comprises a polyester resin, castor oil and a chlorinated polypropylene capable of immobilizing the ink layer relative to the protective lacquer. The ink layer, which comprises an acrylic ink, is printed onto the protective lacquer layer. The adhesive layer is printed over the ink layer and comprises a polyamide resin, ethyl vinyl acetate, erucamide and a chlorinated polyethylene resin.

Abstract: An oriented, heat-sealable, multilayer polyolefin film comprising a base layer containing polypropylene and a heat-sealable outer layer on each side of the base layer. The heat-sealable outer layers contain a propylene copolymer and/or a propylene terpolymer and a mixture of an antiblocking agent having a mean particle diameter of from about 3 to 5 .mu.m and a further antiblocking agent having a mean particle diameter of from about 1 to 2.5 .mu.m.

Abstract: Self-adhesive protective film, especially for cars, characterized in that a self-adhesive composition of polyethylene vinyl acetate with a loss angle tan .delta. of from 0.6 to 1.0, measured at a temperature of 60.degree. C. and a frequency of 10.sup.-2 Hz, and from 0.4 to 0.7, measured at a temperature of 60.degree. C. and a frequency of 10 Hz, is applied to a film backing.

Abstract: An automobile paint film-protective sheet comprising a substrate having formed on one side thereof a rubber-based pressure-sensitive adhesive having a dynamic modulus of from 2.times.10.sup.5 to 7.times.10.sup.6 dyne/cm.sup.2 at 60.degree. C.

Abstract: Disclosed herein are processes for polymerizing ethylene, acyclic olefins, and/or selected cyclic olefins, and optionally selected olefinic esters or carboxylic acids, and other monomers. The polymerizations are catalyzed by selected transition metal compounds, and sometimes other co-catalysts. Since some of the polymerizations exhibit some characteristics of living polymerizations, block copolymers can be readily made. Many of the polymers produced are often novel, particularly in regard to their microstructure, which gives some of them unusual properties. Numerous novel catalysts are disclosed, as well as some novel processes for making them. The polymers made are useful as elastomers, molding resins, in adhesives, etc. Also described herein is the synthesis of linear .alpha.-olefins by the oligomerization of ethylene using as a catalyst system a combination a nickel compound having a selected .alpha.-diimine ligand and a selected Lewis or Bronsted acid, or by contacting selected .alpha.

Abstract: A method of preparing an adhesive composite is provided where a fluoropolymer having nodes and interconnected fibrils with a void volume formed from the node and interconnected fibril structure is at least partially filled with a paste formed from a thermoset or thermoplastic adhesive and a particulate vapor phase formed inorganic filler having uniform surface curvature, sufficient adhesive and filler are present to provide a composite having between about 5 to about 40 volume percent polymeric substrate, 10-95 volume percent adhesive and filler imbibed within the voids of said substrate and 5 to 85 volume percent inorganic filler is contained within the composite. In the composite, the ratio of mean flow pore size to largest particle size is at least above 0.7; or the ratio of mean flow pore size to average particle size is greater than 1.5; or the ratio of minimum pore size to average particle size is at least above 0.8; or the ratio of minimum pore size to largest particle size is at least above 0.4.

Abstract: An adhesive for bonding together a first substrate made of vinylidene fluoride resin and a second substrate comprises an elastic fluorohydrocarbon resin, a polyisocyanate, and an organic solvent. This elastic fluorohydrocarbon resin is obtained by graft copolymerization of a fluorine-containing copolymer with a vinylidene fluoride monomer. This copolymer is prepared by copolymerizing at least one first fluorine-containing monomer with at least one unsaturated monomer that has peroxy bond. The adhesive itself is superior in durability, and bond strength between the first and second substrates is also superior.

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 sealable, transparent, biaxially oriented multilayer polypropylene film comprising a core layer, optionally one or more intermediate layers located on one or both sides of the core layer, and at least one top layer on the one or more intermediate layers or on one or both sides of the core layer, wherein the core layer contains a polypropylene polymer or a polypropylene mixture; the optional intermediate layers consist essentially of a polypropylene polymer or a polypropylene mixture; and wherein at least one top layer is sealable, comprises a polyolefin copolymer or terpolymer, has a thickness of .ltoreq.0.4 .mu.m, and does not contain silicon dioxide or polydimethylsiloxane. The film is suitable as a packaging or wrapping film.

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: In a PSA tape construction, a primer layer comprising a neutralized rosin that includes acid functionalities and, optionally, an elastomer such as a styrene-butadiene rubber, is included between a tape backing and a poly(.alpha.-olefin) adhesive layer. Bonding of the adhesive layer to the backing is greatly improved, especially during and after high temperature baking of the tape construction.

Abstract: A film suitable for packaging medical solutions and other pH sensitive products wherein the product pH is controlled by including an ionomer resin as a core layer, strength layer, or other distinct intermediate layer positioned between a sealant layer and a vinyl carboxylate copolymer containing layer.

Abstract: A pressure sensitive adhesive composition comprising a natural or synthetic rubber and a thermoplastic polyolefin blend comprising ethylene-propylene rubber, hydrogenated polyisoprene and polypropylene.

Abstract: A cleaning tape is edge-stabilized using an adhesive that is solvent resistant. The edge-stabilizing adhesive is a one-step cross-linkable formulation of polyvinyl alcohol, ammonium zirconium carbonate, an acetylinic surfactant and a non-silicone defoaming agent. The formulation is applied to the sides of a woven cotton cleaning tape roll and then is allowed to dry and cure. The resulting cleaning tape can be used in a surface buffing operation in which a solvent is applied to the cleaning tape, without contamination of the surface to be buffed by fibers from the tape or by the edge-stabilizing adhesive.

Abstract: The present invention provides thermoplastic ophthalmic lens blocking compositions that have many advantages over traditional metal alloy materials. Preferred compositions comprise a homopolymer or copolymer of epsilon-caprolactone, have a number average molecular weight between 3,000 and 100,000, and a polydispersity less than 10. The composition may also comprise one or more modifiers, fillers or heat absorbing materials. In one embodiment, the composition is used to fill the cavity between a preformed lens block and a lens. In another embodiment the composition is used to form a lens block. Methods of holding a lens blank are taught. Tapes that provide a receptive surface against which the composition may be adhered are disclosed.

Abstract: An automobile paint film-protective sheet comprising a substrate having formed on one side thereof a rubber-based pressure-sensitive adhesive having a dynamic modulus of from 2.times.10.sup.5 to 7.times.10.sup.6 dyne/cm.sup.2 at 60.degree. C.

Abstract: Disclosed herein is a durable adhesive-based ink-printed polyolefin nonwoven which is suitable for a number of uses the most basic of which is where a printed nonwoven is needed and that nonwoven will possibly be subjected to an amount of abrasion which would prematurely remove the ink from the surface of the nonwoven web. The two main components of the present invention are an adhesive-based ink and a polyolefin-based substrate onto which the adhesive-based ink is applied. The resultant composite must have a crock value of 4 or greater.

Abstract: A nonwoven disposable article is constructed using adhesive compositions containing 1 to 25% of a surfactant, which causes the adhesive composition to exhibit a contact angle of 90.degree. or less and a reduction in surface tension of less than or equal to about 35-40 dynes/cm, giving improved wicking capabilities to the nonwoven.