Abstract: The present invention relates to a method for encapsulating an electronic arrangement against permeants, in which a pressure-sensitive adhesive composition based on vinylaromatic block copolymers is provided, and in which the pressure-sensitive adhesive composition is applied onto and/or around the regions of the electronic arrangement which are to be encapsulated.

Abstract: A fluid absorbent tape is divided into sections that can be separated to customize the length of the tape and simplify use. In one embodiment of the invention, the fluid absorbent tape includes an absorbent material enclosed in a fluid permeable cover to form an elongated fluid absorbent tape. Separating structure formed in a transverse direction through the elongated fluid absorbent tape divides the elongated tape into a first section of fluid absorbent tape and a second section of fluid absorbent tape. The first section of fluid absorbent tape is separable from the second section of fluid absorbent tape along the separating structure. In another embodiment of the invention, the fluid absorbent tape includes a fluid absorbent material including a super absorbent polymer. An elongated fluid permeable cover having a length encloses the fluid absorbent material, and is divided into sections along the length.

Abstract: A paper for a label which has an uncoated basic paper substrate on a verso side of which there is applied at least one coat of a liquid polymer, into which is incorporated one of an opacifier and an opacifying filler, intended to give product opacity in a dry state and in a wet state, adding to the opacity of the uncoated basic paper substrate so as to create a coat that is opaque and limits the ingress of water, between a product that is to be labeled and the uncoated basic paper substrate for use of the product in a wet environment or that is to be immersed in water, while at the same time preserving the qualities of the label.

Abstract: A uniformly premixed sealant is extruded into a packaging form and allowed to pressure equilibrate prior to freezing. Upon warming the sealant begins to cure. The storage of the preformed sealant formulation under cold conditions arrests the activity of cure catalysts and accelerators mixed therethrough. The sealant is readily extruded into a preform shape containing a lightweight filler. A release film is provided to avoid contact with the sealant preformed in a shape during application to a substrate.

Abstract: Adhesive articles, particularly useful as reusable closures, comprising a moisture resistant substrate and a removable adhesive covering at least a portion substrate surface, the adhesive having a Moist Loop Test result of at least about 25 N/25 mm at a test plate temperature of 5° C. The closure may also include a permanent adhesive covering another portion of the substrate surface. The adhesive articles provide easy application to packages and exhibit good adhesion performance in the presence of moisture, such as from refrigerated or frozen food packaging.

Abstract: This invention relates to antimicrobial composites, films, labelstocks and labels. The antimicrobial composites comprise (A) a polymer mixture comprising a mixture of at least one styrene polymer and at least one urethane polymer, and (B) an antimicrobial composition which comprises at least one metal chlorite and at least one hydrophilic material capable of reacting with the metal chlorite when exposed to water. The composites which are described herein are useful in preparing films, labelstocks and labels which exhibit the desirable antimicrobial properties by providing a controlled release of chlorine dioxide gas over an extended period of time.

Abstract: A moisture absorbing hygroscopic fiber having high whiteness, characterized in that (1) acrylic fiber comprising acrylonitrile copolymer where a (meth)acrylate compound as a copolymer component is less than 5% by weight is treated with a hydrazine compound whereby introduction of crosslink and increase in nitrogen content to an extent of 1.0 about 10.0% by weight is carried out, (2) treatment with an aqueous solution of alkaline metal salt is carried out whereby carboxyl group of a metal salt type by which CN group is hydrolyzed is produced in an amount of 4.0 about 10.0 meq/g and (3) a reducing treatment by a reduction treatment agent selected from a group consisting of hydrosulfite, thiosulfate, sulfite, nitrite, thiourea dioxide, and ascorbate compound is carried out.

Abstract: An improved primer formulation for composite building materials, such as materials that are generally cementitious, gypsum, or of another inorganic building material, such as those containing cellulose, glass, steel or polymeric fibers. The improved formulation effectively blocks moisture from penetrating the composite building material and is better than alternate or conventional primers. The formulation also improves adhesion and prevents peel failure of a topcoat when applied to the composite building material. The improved formulation acts as a weather-guard and a hydrophobic treatment to all surfaces of the composite building material upon application.

Abstract: There is described a label comprising a self supporting sheet of a biopolymer (preferably cellulose (e.g. regenerated cellulose, cellulose acetate and/or PLA) said sheet being substantially transparent to visible light when uncoated characterized in that the sheet comprises: (a) a first coating on at least one surface thereof to aid printability thereon; (b) a second coating comprising an adhesive dispersible in an aqueous medium; and (c) optionally a third coating to modify water permeability through the sheet. The labels are to be applied to articles such as glass containers. Preferred labels are wet glue cellulose labels for example where the first coating also comprises a copolymer of vinyl chloride and vinyl acetate to aid water permeability and hence rapid drying of the label on an article.

Abstract: A fluid absorbent tape is divided into sections that can be separated to customize the length of the tape and simplify use. In one embodiment of the invention, the fluid absorbent tape includes an absorbent material enclosed in a fluid permeable cover to form an elongated fluid absorbent tape. Separating structure formed in a transverse direction through the elongated fluid absorbent tape divides the elongated tape into a first section of fluid absorbent tape and a second section of fluid absorbent tape. The first section of fluid absorbent tape is separable from the second section of fluid absorbent tape along the separating structure. In another embodiment of the invention, the fluid absorbent tape includes a fluid absorbent material including a super absorbent polymer. An elongated fluid permeable cover having a length encloses the fluid absorbent material, and is divided into sections along the length.

Abstract: The waterproofing and airtight pressure-sensitive adhesive tape is a pressure-sensitive adhesive tape containing a substrate having a pressure-sensitive adhesive layer on one side thereof, wherein the substrate is a rubber-made sheet; a film layer having non-self-adhesive properties and adhesive properties to the pressure-sensitive adhesive layer is formed on the substrate in the side opposite to the pressure-sensitive adhesive layer; and the waterproofing and airtight pressure-sensitive adhesive tape has an elongation at break (distance between two gage marks: 40 mm, drawing rate: 300 mm/min) of from 200 to 1,200% in both the longitudinal direction and the cross direction and a stress under 100% elongation (distance between two gage marks: 40 mm, drawing rate: 50 mm/min) of from 10 to 100 N/cm2 in both the longitudinal direction and the cross direction.

Abstract: A device for forming erasable images on a reusable medium, comprising: an erasing portion; and a writing portion; wherein the erasing portion comprises a separator for separating at least two layers of the reusable medium; and wherein the writing portion comprises automatic machine-driven pressure applicators for applying pressure but no ink to the reusable medium, thereby forming an image on the reusable medium.

Abstract: A laminar structure is disclosed that comprises a tacky mastic at least partially in contact with a ultra-violet (UV) light and moisture barrier. The structure can be employed for protecting a wide range of substrates such as wood, metal, concrete, cement, among other substrates. The structure can be cut or shaped into a virtually unlimited array of configurations. A release layer can be applied onto at least a portion of one or more sides of the structure. The release layer can be removed from the structure prior to applying the structure onto the substrate to be protected. Once applied the structure can protect the substrate from moisture, UV, microbial and animal attack.

Abstract: This place is made of cellulosic material with a top and bottom planar surface and a peripheral edge. Approximately 75% of the bottom surface is covered with adhesive to keep small children from pulling the placemat off the surface it is adhering The top surface is liquid-resistant to keep it from functioning due to tears in the paper. The placemat is uniquely folded to ensure the operational side remains unexposed to the elements and to avoid using release tape for the adhesive. The placemat is also disposable making it convenient to use. The placemat is folded to be an individual package making it convenient to carry and distribute. The placemat is easy to place onto a surface and remove. The placemat is essential to keep young children from eating off of unsanitary surfaces and moving existing placemats with ease.

Abstract: The polypropylene film of the present invention satisfies the relationship: TM≧12.5×HST−900, wherein TM is a tensile modulus (MPa) and HST is a heat seal temperature (° C.), and is well-balanced between the tensile modulus and the heat seal temperature, less tacky, and excellent in processability, transparency and impact resistance. The polypropylene film may be produced from a propylene polymer (A) having: (1) a melting point (Tm) of from 120 to 135° C. as measured by differential scanning calorimeter (DSC); (2) a melting endotherm &Dgr;H (J/g) as measured by the DSC, satisfying the following formula: &Dgr;H≧0.45×Tm+22; (3) a peak top half-width (Th) of 5° C. or lower when measured on an elution curve by temperature rising fractionation; and (4) an intrinsic viscosity [&eegr;] of from 1 to 3 dl/g as measured at 135° C. in tetralin.

Abstract: The invention relates to a linoleum-based floor covering with improved flame-retardant properties, whose useful layer contains at least one flame retardant from the group of expandable graphites. The invention also relates to a method for producing linoleum-based floor-coverings with novel structures for creating coloured patterns and to a cork-based floor covering with improved flame-retardant properties.

Abstract: A self-closing package formed from a unitary two-ply or three-ply laminate sheeting having an inner surface which is entirely coated with cohesive material, which has the property of sticking only to itself, and having a first portion and second portion. An article may be placed on the first portion of the laminate sheeting before folding and forming he laminate sheeting into a self-closing package. To form the package, the second portion of the laminate sheeting is pulled upward around the article and folded over both the article and the first portion of the laminate sheeting so that the inner surface of both the first portion and second portion are opposed to each other. The package is closed and sealed by the cohesive coated inner surfaces of the first and second portions coming into contact with each other and thereby sticking to each other.

Abstract: The present invention provides silicone-based adhesives, preferably pressure sensitive adhesives, adhesive articles, and methods. Preferably, the articles are cover tapes for analytical receptacles, such as microtiter plates, microfluidic devices, and continuous multi-reservoir carriers, or other analytical receptacles or biosensors, for example. Typically, such analytical receptacles are used in bioanalytical applications and are designed for containing solids and fluids, including liquids, gases, powders, and gels, which may include biological samples or organic solvents, for example.

Abstract: An absorbent binder coating including monoethylenically unsaturated polymer units, polyacrylate ester units that include an alkoxysilane functionality, and polyolefin glycol units and/or polyolefin oxide units, can be applied to various substrates. For example, the coating can be self-applied to an article of clothing or to a person's skin to provide absorbency. Alternatively, the coating can provide moisture absorbency, as well as adhesive properties, when incorporated into various articles including medical devices, wound dressings, laminates, absorbent garments, packaging materials, and horticultural products.

Abstract: To improve the water squeezing function of a shoe press belt for papermaking, the wet web side layer of a main body of the belt is composed of a high molecular weight elastic material, and the wet web facing surface of the wet web side layer is made hydrophobic. Water, squeezed from the wet web under compression in a shoe press, and transferred to the surface of the wet web side layer of the belt through a felt, may be shaken off reliably before the belt is again subjected to compression.

Abstract: A waterproofing membrane is provided which includes a waterproof synthetic resin film presenting opposed first and second surfaces, and an inner bitumen adhesive supported on the first surface of the film. The membrane is manufactured by heating the bitumen adhesive and applying it to a web of the waterproof synthetic resin film. As such, the resulting membrane includes an adhesive possessing a coating temperature at which the adhesive can be applied to the film as a viscous liquid, and a film possessing a still higher transition temperature that permits the film to function as a substrate for the bitumen adhesive during manufacture.

Abstract: A sheet-like photocurable resin compound can secure or control a sufficient application time outdoors where the compound is irradiated with natural light and can suppress volatilization of a styrene monomer. This sheet-like photocurable resin compound comprises a photocurable resin compound (i) containing as an essential component at least one unsaturated resin (A) selected from the group consisting of unsaturated polyester resin, vinyl ester resin, vinyl urethane resin, and acrylic resin, a photopolymerization initiator (B) which is not activated by irradiation with light with a wavelength of 420 nm or above, and a thickener (C) containing a thermnoplastic resin powder as an active component; and a see-through light absorbing film (ii) whose transmittance to light with a wavelength of 420 nm or below is 10% or less; said photocurable resin compound being covered with said see-through absorbing film.

Abstract: The present invention is directed to a novel process of making water-sensitive products. In addition, the present invention is directed to water-sensitive products, which maintain their integrity and strength when in use, but dissolve or disperse when place in contact with water, such as in a conventional toilet. Moreover, the present invention is directed to water-dispersible products, including flushable products such as release liners, product packaging, etc., which contain a water-sensitive film strategically coated with a discontinuous hydrophobic material to provide water protection to the film.

Abstract: A laminar structure is disclosed that comprises a tacky mastic at least partially in contact with a ultra-violet (UV) light and moisture barrier. The structure can be employed for protecting a wide range of substrates such as wood, metal, concrete, cement, among other substrates. The structure can be cut or shaped into a virtually unlimited array of configurations. A release layer can be applied onto at least a portion of one or more sides of the structure. The release layer can be removed from the structure prior to applying the structure onto the substrate to be protected. Once applied the structure can protect the substrate from moisture, UV, microbial and animal attack.

Abstract: The present invention discloses an adhesive article. The adhesive article comprises a first layer comprising a transparent film, the first layer having a first major surface and a second major surface. Additionally, the adhesive article comprises a second layer comprising a fluid transport substrate, the second layer having a first major surface and a second major surface, the first major surface of the second layer being in contact with the second major surface of the first layer and a third layer comprising a fluid transportable ink, the third layer being associated with the second major surface of the second layer. The adhesive article then comprises an adhesive layer.

Abstract: Die attach adhesives and methods for their use, along with the devices that are obtained by the use of the methods. Using semiconductor chips as an example, the adhesives and the method for using them provides an interface between a chip (die) and the chip support. The method includes creating a space between the chip and the chip support of a given sized opening.

Abstract: A label system having an unique label stock. The label stock includes a water-reducible ink system for forming a water resistant ink label and a scuff resistant protective, clear coat layer. A label carrier, formed from non-absorbent paper or plastic, receives the water resistant ink label. In the preferred embodiment, a heat-activated adhesive is applied to the surface of the color coat layer for transferring the label from the label carrier to the substrate. The heat-activated adhesive has an activation temperature less than the distortion temperature of the label carrier so as to not distort the image during transfer. A heat-activated, cross-linking agent may be added in at least one of the color coat and the protective, clear coat to improve water-soak resistance. The heat-activated, cross-linking agent has an activation temperature of greater than the activation temperature of the adhesive.

Abstract: Coated articles, methods for making such articles, and waterproofing systems incorporating these. An exemplary coated article comprises a body with surface coating of inorganic particles reactive with hydroxide generated from hydration of concrete or mortar to form hydration products. The articles are designed to be used with cast concrete or masonry. The inorganic particles comprise at least one of (a) aluminum oxide trihydrate; (b) silica dioxide; (c) fly ash; (d) blast furnace slag, (e) silica fume; (f) an alkali or alkaline earth metal salts; or mixture thereof. The particles improve bonding with hydratable cementitious compositions that are cast against the coated surface and allowed to set.

Abstract: This placemat is made of cellulosic material with a top and bottom planar surface and a peripheral edge. Approximately 75% of the bottom surface is covered with adhesive to keep small children from pulling the placemat off the surface it is adhering. The top surface is liquid-resistant to keep it from functioning due to tears in the paper. The placemat is uniquely folded to ensure the operational side remains unexposed to the elements and to avoid using release tape for the adhesive. The placemat is also disposable making it convenient to use. The placemat is folded to be an individual package making it convenient to carry and distribute. The placemat is easy to place onto a surface and remove. The placemat is essential to keep young children from eating off of unsanitary surfaces and moving existing placemats with ease.

Abstract: A double-sided self-adhesive reinforced foam tape comprising a release liner having upper and lower surfaces which are release surfaces, a first layer of pressure sensitive adhesive applied to the upper release surface, a layer of flexible polymeric film, preferably polyester film, applied to the first pressure sensitive adhesive layer, a layer of flexible foam, preferably closed cell PVC flexible foam, thermally bonded to the flexible polymeric film layer, and a second layer of pressure sensitive adhesive applied to the flexible foam layer. A length of material for use as a double-sided tape is provided, along with a method of making the length of material. An alternative embodiment, suitable for die-cutting, including a second release liner applied to the second pressure sensitive adhesive layer is provided. The tape may be used in automobiles and other applications.

Abstract: A moistureproof film composed of a transparent multi-layer film having a layer structure that thin metal or nonmetal oxide layers (C) are respectively arranged directly or through an adhesive layer (B) on both sides of a hygroscopic resin layer (A), and having a water vapor transmission rate of at most 0.05 g/m2·24 hr as measured at a temperature of 60° C. and a relative humidity of 90%, and a quantity of water vapor transmission for 50 hours of at most 0.15 g/m2 as measured at a temperature of 40° C. and a relative humidity of 100%, a production process thereof, an EL device sealed with the moistureproof film, and a fabrication process of the EL device.

Abstract: A laminar structure is disclosed that comprises a tacky mastic at least partially in contact with a ultra-violet (UV) light and moisture barrier. The structure can be employed for protecting a wide range of substrates such as wood, metal, concrete, cement, among other substrates. The structure can be cut or shaped into a virtually unlimited array of configurations. A release layer can be applied onto at least a portion of one or more sides of the structure. The release layer can be removed from the structure prior to applying the structure onto the substrate to be protected.

Abstract: A release coating layer comprising a continuous phase of an organic polymer binder; a discontinuous phase of a fluorinated resin having a molecular weight between 2500 and 10,000,000, wherein the ratio of organic polymer binder to fluorinated resin is between 60:39.9 to 80:18 by weight; and a priming agent composition comprising a perfluoroalkylsubstituted fluororesin-reactive compound having the formula: where R5 is H or F, Q is OH, SiR6R7R8, R6, R7, and R8 being independently selected from the group consisting of Cl, OH, an alkyl group containing 1 to about 4 carbon atoms, an alkoxy group containing 1 to about 4 carbon atoms, an acyloxy group containing 2 to about 4 carbon atoms, and an amino group containing 0 to about 4 carbon atoms; and n is an integer from 1 to about 15; with the proviso that, at least one of R6, R7, and R8 is Cl, OH, or an alkoxy, acyloxy, or amino group.

Abstract: The present invention relates to coated metal substrates such as metal piping having improved environmental stress crack resistance and resistance to hydrolytic and/or cathodic disbondment. The coating composition contains a blend of modified and unmodified polyolefins as well as a tackifier. For cathodic disbondment resistance, the preferred tackifiers are rosin esters or hydrogenated versions thereof. The modified polyolefins are grafted versions of metallocene or non-metallocene produced low density or high density polyethylenes.

Abstract: A low trauma pressure-sensitive adhesive coated substrate comprising a sheet material, tape or laminate structure designed to adhere to skin or like surfaces. The pressure-sensitive adhesive layer of this adhesive coated substrate is a fibrous adhesive layer generally having a basis weight of from 5 to 200 g/m2 applied to a conformable backing or substrate. The fibrous adhesive layer has a textured outer face and persistent porosity between discrete adhesive fibers. Generally, the fibrous adhesive layer has a MVTR (measured by ASTM E 96-80 at 40° C.) of at least 1000 g/m2/day, preferably at least 6000 g/m2/day.

Abstract: A self-adhering, multi-layer composite membrane for sealing a substrate and providing waterproof integrity to the substrate. The composite membrane includes: a surface layer of metal or of a polymeric material to interface the environment; a polyolefin film having a top surface and a bottom surface bonded to the surface layer by an adhesive at its top surface; a waterproof, asphalt-based layer adhered to the polyolefin film; a reinforcing mat having a top surface and a bottom surface, the top surface of which is adhered to the waterproof, asphalt-based layer; a second waterproof, asphalt-based layer adhered to the bottom surface of the reinforcing mat which is adapted to sealingly adhere to the substrate; and a polyolefin release film on the bottom surface of the waterproof asphalt-based adhesive layer to prevent adhesion between the asphalt-based adhesive layer and the surface layer when the composite is wound into a spiral roll.

Abstract: Provided is a method for obtaining human DNA for genetic analysis, by taking the epidermis of testee by means of an adhesive sheet, and by extracting DNA from the epidermis stuck on the adhesive sheet. Provided are also combined sheets for conveniently storing DNA and a kit for taking the epidermis and analyzing DNA. Along with the kits, the method allows DNA to be easily obtained and stably stored for a long period of time. In addition, both the identification and the DNA analysis of a testee can be conducted at the same time by taking epidermal scraps from the testee, along with a figured epidermal print.

Abstract: A polymeric adhesive tape including a first polymeric adhesive layer which is a heat activated film and a second polymeric adhesive layer which is a heat activated film is disclosed. The tape is designed for use in the fabrication of articles wherein the polymeric adhesive tape secures a first member to a support surface. A method for bonding adjacent sheets to a substrate is also disclosed. In accordance with the disclosed method, a substrate is prepared for application of a first sheet and a second sheet, a polymeric adhesive tape is positioned on the substrate at a position along which the seam between the first sheet and the second sheet will be located, the first sheet and the second sheet are laid on the substrate such that the seam between the first sheet and the second sheet lies along the polymeric adhesive tape, and the adhesive tape is heated along the seam to bond the substrate, adhesive tape, first laminate and second laminate.

Abstract: A fiber-reinforced clay panel having low water permeability is made from a mixture of clay and primary clarifier recovered fiber, a waste material produced by pulp mills. The mixture is compressed and dried to form a panel having a rigidity like plywood and a very low coefficient of hydraulic conductivity. The panels are useful for lining and covering landfill and waste disposal sites, water-proofing basements and similar applications.

Abstract: A water resistant, caustically removable coating and method for making the same is disclosed. The coating is utilized to make a paper label which is water resistant but can be repulped in conventional caustic bottle washing solution. The coated paper label is applied to a bottle, the bottle used and then recycled using conventional caustic bottle washing solution to remove and repulp the paper label, permitting recycling of the bottle, and if desired, making paper from the recovered pulp.

Abstract: A polymeric adhesive tape including a first polymeric adhesive layer which is a heat activated film and a second polymeric adhesive layer which is a heat activated film is disclosed. The tape is designed for use in the fabrication of articles wherein the polymeric adhesive tape secures a first member to a support surface. A method for bonding adjacent sheets to a substrate is also disclosed. In accordance with the disclosed method, a substrate is prepared for application of a first sheet and a second sheet, a polymeric adhesive tape is positioned on the substrate at a position along which the seam between the first sheet and the second sheet will be located, the first sheet and the second sheet are laid on the substrate such that the seam between the first sheet and the second sheet lies along the polymeric adhesive tape, and the adhesive tape is heated along the seam to bond the substrate, adhesive tape, first laminate and second laminate.

Abstract: Nonwoven webs are fabricated by forming unitary multicomponent fibers comprising a plurality of individual segments partially exposed at the surface of the fiber; bonding the multicomponent fibers, such as by thermal point bonding, and then hydroentangling the bonded multicomponent fibers with a water pressure from about 400 to 3000 psi wherein the entangling process separates the individual segments of the unitary multicomponent fibers into microfibers and also entangles the fibers to form an integrated nonwoven web. The nonwoven webs include entangled webs of thermoplastic multicomponent fibers and microfibers having partially degraded bond areas comprising from about 5% to about 50% at the surface area of the web.

Abstract: A process for the manufacture of a nonwoven water blocking tape for use in cable manufacture, which process comprises the steps of: (i) forming a coating of an aqueous solution of a water soluble polymer containing anionic groups and a multivalent ionic crosslinking agent on at least one surface of a nonwoven substrate material; and (ii) drying and/or curing the coating in order to form a partially crosslinked water swellable polymer coating on the at least one surface of the nonwoven substrate material. Water blocking tapes are also provided which comprise a nonwoven substrate material having a coating on at least one surface thereof of a water soluble polymer containing anionic groups which is partially crosslinked with a multivalent ionic crosslinking agent.

Abstract: The present invention provides a high strength autogenously bonded nonwoven fabric containing single polymer conjugate fibers which have at least two substantially the same component compositions, wherein the component compositions of the fibers contain one thermoplastic polymer selected from the group consisting of semicrystalline thermoplastic polymers, crystalline thermoplastic polymers and blends thereof. The component compositions are processed with substantially identical processing conditions to form the fibers and have substantially the same melt flow rate as measured in accordance with the ASTM 1238-65T testing procedure.

Abstract: A water resistant, caustically removable coating and method for making the same is disclosed. The coating is utilized to make a paper label which is water resistant but can be repulped in conventional caustic bottle washing solution. The coated paper label is applied to a bottle, the bottle used and then recycled using conventional caustic bottle washing solution to remove and repulp the paper label, permitting recycling of the bottle, and if desired, making paper from the recovered pulp.

Abstract: An aqueous adhesive composition for wet lamination of substrate layers to form a laminated article includes from about 40 weight percent to about 65 weight percent solids dispersed in an aqueous medium, wherein the solids include a polymer having repeating units derived from a vinyl ester monomer and having a glass transition temperature of about −15° C. to about +15° C.; and from about 0.1 parts by weight to about 40 parts by weight of a plasticizer compound per 100 parts by weight of the polymer. A method for making a laminated article includes applying a wet layer of the aqueous laminating adhesive composition of the to a first substrate layer; covering the wet layer of adhesive composition with a second substrate layer; and drying the layer of adhesive composition to form the laminated article. A laminated article includes two substrate layers bonded together by an interposed layer of the dried adhesive composition.

Abstract: Ethylene polymers having a) a Polydispersity Index of about 2 to about 4; b) a melt index, MI, and Relaxation Spectrum Index, RSI, such that (RSI)(MI.sup.0.6) is about 2.5 to about 6.5; c) a Crystallizable Chain Length Distribution Index, L.sub.w /L.sub.n, of about 1.0 to about 9; and d) a density, .rho., and a percent haze when fabricated into films such that the percent haze is less than 370.rho.-330, are provided. These ethylene polymers advantageously combine superior clarity and toughness with low extractables and enhanced processing ease.

Abstract: The present invention relates to polymeric medical articles comprising the antiinfective agents chlorhexidine and triclosan. It is based, at least in part, on the discovery that the synergistic relationship between these compounds permits the use of relatively low levels of both agents, and on the discovery that effective antimicrobial activity may be achieved when these compounds are comprised in either hydrophilic or hydrophobic polymers. It is also based on the discovery that chlorhexidine free base and triclosan, used together, are incorporated into polymeric medical articles more efficiently. Medical articles prepared according to the invention offer the advantage of preventing or inhibiting infection while avoiding undesirably high release of antiinfective agent, for example into the bloodstream of a subject.

Abstract: An adhesive desiccant deposit comprising a hot melt adhesive and a desiccant dispersed within the hot melt adhesive. The hot melt adhesive has sufficient porosity to allow water molecules to pass into the hot melt adhesive and contact the desiccant. The hot melt adhesive may optionally contain an additive to increase the porosity of the hot melt adhesive. One particular application of the deposit involves an adhesive desiccant tape comprising a substrate, a first adhesive layer disposed on the bottom of the substrate, a removable liner disposed on the first adhesive layer on the side of the first adhesive layer away from the substrate, and an adhesive desiccant deposit disposed on the top of the substrate.

Abstract: A reactive hot melt adhesive containing, as the main component, a blocked prepolymer made by reacting a linear prepolymer having isocyanate groups with a blocking agent, said blocked prepolymer having a number average molecular weight of at least 11,000 and a melt viscosity of at least 1,000 poise at a temperature of 110.degree. C.