Abstract: An improved two-piece container seal suitable for sealing a container having a removable closure and for lining the closure comprises a flexible sealant sheet and a flexible liner sheet bonded thereto. The sealant sheet and liner sheet are of the same size and shape. The sealant sheet has a sealing surface and a first thermoplastic surface, and the liner sheet has an outer surface and a second thermoplastic surface. The first and second thermoplastic surfaces are in opposed, congruent contact with each other, and the first thermoplastic surface is ultrasonically welded to the second thermoplastic surface by an array of spaced, frangible ultrasonic welds, forming an adhesive-free interface therebetween. A method of manufacturing a two-piece container seal and a sealed container comprising a two-piece container seal are also described.

Abstract: Disclosed is a heat-peelable pressure-sensitive adhesive sheet that can prevent the deformation of a pressure-sensitive adhesive layer caused by pressurization, further reduce chipping in grinding and cutting processes, be easily peeled off from a processed article after processing, and can be easily applied to an adhered at ordinary temperature. The heat-peelable pressure-sensitive adhesive sheet includes a substrate, and a heat-expandable pressure-sensitive adhesive layer arranged on or above at least one side of the substrate, the heat-expandable pressure-sensitive adhesive layer containing a foaming agent and having a shear modulus (23° C.) in an unfoamed state of 7×106 Pa or more. The adhesive sheet further includes a pressure-sensitive adhesive layer being arranged on or above heat-expandable pressure-sensitive adhesive layer, wherein the pressure-sensitive adhesive layer has a shear modulus (23° C.) of less than 7×106 Pa and a thickness of 0.01 to 10 ?m.

Abstract: The present invention relates to hot-coextrudable hot-melt pressure-sensitive adhesives particularly suitable for the production of multilayer films intended for what are called “repositionable” packages that are opened and reclosed easily. The films used in these packages comprise at least three layers, namely an outer layer intended to be complexed thereafter, a sealing and separable layer, defining all or part of the internal surface of the package, and between them a hot-melt adhesive layer that joins them together. In this type of package, the adhesive plays an essential role insofar as, once the package has been opened by the end user, the quality of the reclosure and of the reopening will depend on the performance of the adhesive, which is of course a pressure-sensitive adhesive, that is to say an adhesive that adheres simply by manual pressure.

Abstract: The present invention makes available a paper product with a silicone oil-repellent, activatable adhesive coating that can be printed with a laser printer, with the adhesive coating serving to seal a single sheet to itself or neighboring sheets of paper products to one another, and with the silicone-oil repellency being obtained by means of a material selected from the group of fluoroalkyl sodium sulfate(s), fluoroalkyl polyoxyethylene polymer(s), polyvinyl alcohol(s) and mixtures thereof.

Abstract: The present invention provides a display strip easy for automating the process of bonding product-enclosed bags and capable of bonding the product-enclosed bags once removed again.

Abstract: There is disclosed a plurality of embodiments of composite webs of labels wherein there are labels on a pressure sensitive pressure-coated carrier web and wherein adhesive deadener coats the adhesive underlying the labels to enable the labels to be releasably adhered to the carrier web while leaving the carrier outside the peripheries of the labels non-tacky.

Abstract: A methodology for adhesively attaching a barrier sheet to a motor vehicle inside door panel. A plurality of adhesive beds are disposed on the attachment face of a barrier sheet, whereby pressure applied to the barrier sheet causes the adhesive beads to wet-out with respect to the door inside panel and mergingly wet-out with respect to each other so as to thereby form an adhesive band. Visual inspection of the continuity of the merged wet-out through the barrier sheet provides installer feedback regarding installation integrity.

Abstract: Insulation blankets having preapplied thereon a reactivatable hot melt adhesive.

Abstract: The invention relates to a pressure-sensitive adhesive tape, particularly for producing LCD displays, comprising two surfaces while also being provided with at least one support having two supporting surfaces and a pressure-sensitive layer on each of the two supporting surfaces. The invention is characterized in that at least one of the two surfaces of the pressure-sensitive adhesive tape has silvery reflective properties.

Abstract: Multi-layer films that are suitable for packaging and having improved sealing properties are disclosed. Some embodiments may also provide a lower minimum sealing temperature. A soft polymer is blended in a core layer and a tie layer comprising the soft polymer and, optionally, another polymer. A sealable layer is provided on the side of the tie layer opposite the core layer. The multi-layer films may be transparent, contain a cavitating agent, or are pigmented to form an opaque film. Also, the multi-layer film may be metallized or coated with a barrier coating.

Abstract: Disclosed is a multilayer film for a strain-free laminate that is used for flexible TFT substrates or the like. Also disclosed are a laminate obtained by arranging such a multilayer film on a substrate made of an inorganic material, and a method for producing such a laminate. Specifically disclosed is a multilayer film wherein an adhesive resin layer that can be adhered to inorganic materials is arranged on a base film made of a resin. This multilayer film has a first average thermal expansion coefficient at temperatures from 60° C. to 80° C. measured during a first raise of the temperature of the multilayer film from 30° C. to 130° C. by heating the multilayer film, which first average thermal expansion coefficient is larger by 30 to 400 ppm/° C. than a second average thermal expansion coefficient measured at temperatures from 60 to 80° C. during a second raise of the temperature from 30° C. to 130° C. after cooling the multilayer film from 130° C. to 30° C. subsequent to the first raise.

Abstract: Flame retardant adhesives and adhesive tape articles include a halogen-free flame retardant composition comprising a phosphinate or phosphinate salt. The halogen-free flame retardant compositions can also include additional materials, such as alumina trihydrate and magnesium hydroxide, that are substantially free of halogenated compounds or materials.

Abstract: One embodiment of the invention includes a method of joining two substrates with multilayer thermo-reversible dry adhesives and separating the two bonded substrates by completely thermally reversing the adhesion via heating.

Abstract: The invention relates to a biaxially oriented polyester film having a base layer (B) which comprises at least 80% by weight of a polyester comprised of from 55 to 90 mol % of units deriving from at least two aromatic dicarboxylic acids and of from 5 to 45 mol % of units deriving from at least one aliphatic dicarboxylic acid, where the total of the dicarboxylic-acid-derived molar percentages is 100. The film features ultimate tensile strength of ?100 N/mm2 and modulus of elasticity of ?3000 N/mm2.

Abstract: The present invention relates to a laminating film comprising: a flexible film that is transparent at least in part; a flexible chip fastened to a face of the film; and a thickness-compensating layer, covering the film at least in part around the chip.

Abstract: A unilaterally bondable, transparent, substantially two-dimensional element (2D element) is presented which has a support and an adhesive, and which is used as a shatterproofing device for brittle 2D bodies. The surface of the support is protected from damage by means of a temporary covering means. The temporary covering means is designed such that it is residue-lessly detachably joined to the support and hence ensures optimal transparency of the 2D element following detachment of the temporary covering means.

Abstract: A multi-layer film having a tacky or non-skid surface includes at least one non-tacky first layer composed of at least one polyolefin polymer. At least one second tacky layer is also provided and is composed of metallocene-catalyzed polyolefin polymers, ethylene copolymer resins, styrene-ethylene/butylene-styrene block copolymers and mixtures thereof.

Abstract: A reusable, air-permeable packaging film formed of a layer of resilient and nontoxic material is disclosed. The packaging film includes a plurality of micro-gaps distributed within a pre-selected area on the packaging film, wherein each of the micro-gaps traverses thickness of the packaging film, and wherein, in a static state, i.e., no pressure/stress exerted on the packaging film, each of the micro-gaps comprises a split upper seam portion with edge ridges demonstrated on a top surface of the packaging film and a close lower seam portion communicating with the split upper seam portion. During microwaving, the pressure can be regulated at a relatively lower vapor transferring rate through the pre-selected area.

Abstract: A thermally activated pressure sensitive adhesive is provided and a substrate includes the thermally activated pressure sensitive adhesive applied to one side of thereof. A method and system for include forming a pressure sensitive adhesive coated substrate using a thermally activated pressure sensitive adhesive coated substrate.

Abstract: According to the present invention, a display strip with which the process of attaching product-enclosed bags can easily be automated and from which the product-enclosed bags can easily be detached without having their appearance degraded and a display strip and product assembly can be provided. The display strip according to the present invention is utilized to hold and align a plurality of product-enclosed bags vertically for the display. It comprises at least a substrate layer and a sealant layer with the sealant layer containing an ethylene-vinyl acetate copolymer and an adhesive promoting tackifier.

Abstract: A retaining element for use with elastic sheet material is disclosed. In one form, the sheet material can be provided as a bag (100) having first and second side walls (102,104). The retaining element can be in the form of an elastic strip attached to one of the side walls. The retaining strip (120) can comprise a heat-unstable activatable material such that it can be applied to the bag in a deadened condition wherein the strip is set and subsequently heated to transition to an activated condition wherein the retaining element is elasticized to provide an elasticized article which can have a shirred appearance. The retaining element can have various configurations and can be activated by various methods.

Abstract: One embodiment includes a multilayer thermo-reversible dry adhesive system comprising of at least one layer of soft dry adhesive and one layer of shape memory polymer.

Abstract: A sealant, method for making the sealant, and method for applying the sealant includes a preformed at least partially hardened first quantity of sealant and a preformed at least partially unhardened second quantity of sealant. The first quantity of sealant is formed into a concave shell with an internal cavity. The second quantity of sealant is positioned within the internal cavity of the shell. The second quantity of sealant is maintained at a temperature sufficiently below the hardening temperature of the second sealant, such that said second sealant is at least partially retarded from hardening. The first and second quantities of sealant are packaged together for delivery to a substrate, such as a fastener.

Abstract: A marine flexible laminate system at a minimum includes a primer layer and an adhesive layer. The system optionally includes at least one functional top coating layer which may be applied either underwater or before submersing. Other layers include a backing layer and a heat curing layer. The marine laminate is directly applied to one or more surfaces submerged under-water by contacting the submerged surface with the adhesive layer of the flexible marine laminate.

Abstract: The present invention describes a multilayer film suitable for use in packaging applications comprising at least a polymeric first layer having a first surface and an opposing second surface wherein the polymeric first layer comprises a heat-sealable, water-insoluble polyester; a polymeric second layer having a first surface and an opposing second surface and comprising a pressure-sensitive adhesive, wherein the second surface of the polymeric second layer is in contact with the first surface of the polymeric first layer and forms a peelable/resealable bond therebetween; and a third layer in contact with the first surface of the polymeric second layer.

Abstract: A peelable sealable co-extruded film, comprising: i. a skin layer capable of heat sealing against a rim of a container, to itself, or to another film and adapted to be peeled there from and comprising a hot melt adhesive resin; and ii. a core layer underlying said skin layer and comprising crystalline homopolymer polyethylene terephthalate; and a method for the preparation thereof.

Abstract: The bonding material is formed of a cured sheet composed of an addition curable silicone adhesive agent, and the addition curable silicone adhesive agent contains an organopolysiloxane containing two or more vinyl groups per molecule; an organopolysiloxane resin containing a unit (hereinafter, “M”) represented by R3SiO1/2 (R is a monovalent hydrocarbon group having 1 to 6 carbon atoms and containing no aliphatic unsaturated bond) and a unit (hereinafter, “Q”) represented by Si4/2 in a molar ratio (M/Q ratio) equal to or more than 0.6 to equal to or less than 0.6 to 1.6; an organohydrogenpolysiloxane containing a silicon atom-bonding hydrogen atom; a platinum catalyst; and a heat conductive filler whose content falls within the range equal to or more than 20 vol % to equal to or less than to 50 vol %.

Abstract: Provided is a heat-sensitive adhesive agent that mainly comprises a thermoplastic resin and a heat-meltable substance capable of melting upon heating, and further comprises swellable mica.

Abstract: Heat-activable adhesive sheet of an adhesive comprising a blend of at least three synthetic nitrile rubber compositions S1, S2 and S3, each of which comprises at least one synthetic nitrile rubber, and at least one reactive resin which is capable of crosslinking with itself, with other reactive resins and/or with the nitrile rubbers of synthetic rubber compositions S1, S2 and S3, in which a) the blend of the heat-activable sheet being microphase-separated, characterized by at least three different glass transition temperatures in a DSC, b) at least one of said glass transition temperatures being greater than 10° C. and at least one of said glass transition temperature lower than ?20° C., c) the nitrile rubber or rubbers S1 having an acrylonitrile fraction of greater than/equal to 35%, d) the nitrile rubber or rubbers S2 having an acrylonitrile fraction of greater than 25% and less than 35%, e) the nitrile rubber S3 having an acrylonitrile fraction of less than/equal to 25%.

Abstract: A heat-sealable polymeric film includes a substrate layer of polymeric material having on a surface thereof a heat-sealable coating layer. The layer includes a copolyester and is less than 8 ?m in thickness. The copolyester consists essentially of repeat units of one or more aromatic dicarboxylic acids, one or more aliphatic dicarboxylic acids, and a stoichiometric amount of a glycol component consisting of one or more glycols selected from the group consisting of aliphatic glycols and cycloaliphatic glycols.

Abstract: In a compound material, in particular for fashion, clothes and furniture, one first flexible thermoplastic material support is covered by a covering layer formed by a plurality of portions, set close to one another, deriving from recycled materials. A first layer of glue is applied between the first flexible support and the covering layer to ensure mutual adherence between the first flexible support and the covering layer.

Abstract: A thermoadhesive tape particularly but not exclusively intended for the manufacture of stitch-free items, like for example garments and clothing accessories, comprises weft and warp and at least one filament of thermoadhesive fibre woven with the weft and warp.

Abstract: The present invention relates to articles for cleaning hard surfaces and in particular to remove large particles and hairs from large surfaces. The articles comprise an adhesive having specific Theological properties that provide increased efficacy in capturing and trapping large particles and hairs.

Abstract: An adhesive sheet composed of a thermoplastic and optionally one or more resins, wherein a) the adhesive system has a softening temperature of greater than 65° C. and less than 125° C., b) a melt flow index (ISO 1133) of greater than 3 and less than 100 cm3/10 minutes, c) a storage modulus G? at 23° C., as measured by test method A, of greater than 107 Pas, d) a loss modulus G? at 23° C., as measured by test method A, of greater than 106 Pas, e) and a crossover, as measured by test method A, of less than 125° C.

Abstract: There is disclosed a reinforcement material for forming reinforced members. The reinforcement material includes a strengthening material which is preferably a fabric disposed at least partially between portions of matrix material.

Abstract: The present invention relates to sealant films comprising a first sealant layer which readily and easily delaminates or peels from a second adjacent film layer. The first sealant layer and the second adjacent layer of the sealant film of the present invention comprise propylene or ethylene moieties wherein the propylene or ethylene moieties may be homopolymers or copolymers. The film structures of the present invention can be used independently, or laminated to a second film structure wherein the second film structure may comprise a single layer or multiple layers. The sealant films of the present invention can be heat sealed to a packaging component, such as a tray either as a single film structure or as a laminate comprising a second film structure. The sealant film structures of the present invention are particularly useful as retortable lidstock.

Abstract: An impact-resistant shutter does not fracture upon impact from debris. The shutter includes a decorative panel and a support panel. The decorative panel has an outer surface and an inner surface and includes a first chemical composition. The support panel has a first surface and a second surface and includes a fiber composition. The fiber composition is incompatible with the first chemical composition. A second chemical composition is integrated into the support panel at the first surface. The second chemical composition is compatible with the first chemical composition. Due to this second chemical composition present at the first surface, the fiber composition in the support panel can be bonded to the inner surface of the decorative panel. The fiber composition provides impact resistance to the decorative panel to prevent fracturing of the decorative panel upon impact from debris.

Abstract: The present invention relates to a heat-sealable film which consists essentially of a cycloolefin copolymer (COC), the glass transition temperature (Tg) of the COC being within the range from 30 to 55° C. The film or sheet has excellent low temperature heat-sealing properties and processing characteristics. The film may be free standing or laminated to other thermoplastic polymer film or films at low temperatures. Alternatively, a COC polymer with Tg in the range 30 to 55° C. may be coextruded with other thermoplastic polymer or polymer films in a coextrusion process to form a heat sealable film. The film of the invention is suitable for packing foods or other consumable items.

Abstract: A seal and method of manufacture is provided for sealing containers such as bottles, jars and the like. The seal (closure) can be formed with a lower sheetlike structure having a foam layer thereon. The lower structure can include foil and have a polymer layer, such as a PET layer thereunder A sealant layer can be provided under the bottom surface of the PET layer to bond the seal to a container opening. The polymer foam is advantageously polyethylene foam. Seals in accordance with preferred embodiments of the invention also include a top portion, which can be only partially bonded (directly or indirectly) to the bottom portion, so as to leave a tab portion extended therefrom. The top portion is advantageously bonded from periphery to periphery of the bottom portion and at or slightly offset from the diameter (middle) of the bottom portion. The top portion is advantageously formed with polymer material, such as an ethylene vinyl acetate (EVA) layer, having a layer of PET bonded on the top thereof.

Abstract: A reusable, air-permeable packaging film formed of a layer of resilient and nontoxic material is disclosed. The packaging film includes a plurality of micro-gaps distributed within a pre-selected area on the packaging film, wherein each of the micro-gaps traverses thickness of the packaging film, and wherein, in a static state, i.e., no pressure/stress exerted on the packaging film, each of the micro-gaps comprises a split upper seam portion with edge ridges demonstrated on a top surface of the packaging film and a close lower seam portion communicating with the split upper seam portion. During microwaving, the pressure can be regulated at a relatively lower vapor transferring rate through the pre-selected area.

Abstract: A sealable multi-layer opaque film. In particular, a sealable multi-layer opaque film that is moisture permeable and water resistant. The sealable multi-layer opaque film is an oriented multilayer film with a core layer comprising an orientation-enhancing polymer, a polypropylene homopolymer and a beta crystal nucleator of polypropylene and at least one sealable skin layer.

Abstract: A packaging laminate comprising a paperboard substrate for providing a base layer, a tear-resistant polymer layer applied to said substrate, and a heat seal polymer layer applied to said tear-resistant polymer. This laminate structure is particularly useful for blister pack packaging.

Abstract: This invention relates to a coextruded, transparent, biaxially oriented polyester film comprising a base layer (B) and a heatsealable top layer (A) which is peelable from at least the APET side of an APET/CPET tray, the heatsealable and peelable top layer (A) consisting of a) 50–95% by weight of polyester and b) 5–40% by weight of a polyester-incompatible polymer (=anti-PET polymer) based on the mass of the top layer (A), wherein c) the polyester is composed of 20–95 mol % of units derived from at least one aromatic dicarboxylic acid and 5–80 mol % of units derived from at least one aliphatic dicarboxylic acid, and d) the layer thickness dA is from 1.3 to 3.0 ?m. The invention further relates to a process for producing the film and to its use.

Abstract: An impact-resistant shutter does not fracture upon impact from debris. The shutter includes a decorative panel and a support panel. The decorative panel has an outer surface and an inner surface and includes a first chemical composition. The support panel has a first surface and a second surface and includes a fiber composition. The fiber composition is incompatible with the first chemical composition. A second chemical composition is integrated into the support panel at the first surface. The second chemical composition is compatible with the first chemical composition. Due to this second chemical composition present at the first surface, the fiber composition in the support panel can be bonded to the inner surface of the decorative panel. The fiber composition provides impact resistance to the decorative panel to prevent fracturing of the decorative panel upon impact from debris.

Abstract: A heat-shrinkable resin film which has heat shrinkage in the maximum shrinkage direction of 20% or higher when a 10 cm×10 cm square sample cut out thereof is immersed in hot water at 85° C. for 10 seconds, pulled out, subsequently immersed in water at 25° C. for 10 seconds, and then pulled out, characterized in that a content of nitrogen atoms in a surface of the film is 0.1% to 3.0% and the surface of the film has wet tension of 36 mN/m or higher; and a film roll obtained by winding up the heat-shrinkable resin film characterized in that when the rolled film is sampled at a first sampling part located up to 2 m apart from the end of the rolled film and at other sampling parts located after the first sampling part at intervals of about 100 m and an average content of nitrogen atoms of each sample is calculated, then the content of nitrogen atoms of each sample is within the ±0.8% range based on the above average content of nitrogen atoms.

Abstract: The present invention relates to a heat-setting label sheet that is a polymeric transfer sheet that can be marked and transferred by the consumer. Also encompassed by the present invention is a method of transferring the heat-setting label sheets. The heat-setting label sheets of the present invention comprise a support; an optional pressure sensitive adhesive layer; an Adhesion Layer comprising a thermoplastic polymer which melts in the range of 50–250° C., a wax which melts in the range of 50–250° C., or combinations thereof; an optional opaque layer comprising a styrene-butadiene latex, thermoplastic polymer, elastomer, and optional pigment; and a second optional opaque layer comprising vinyl acetate-ethylene copolymer, thermoplastic elastomer, elastomer and optional pigment. The heat-setting label sheet of the present invention can be imaged by an electrostatic printer or copier, ink jet printer, offset or screen printing, craft-type marking, and the like.

Abstract: Biaxially oriented, co-extruded polyester films comprising a base layer consisting of at least 90 wt. % thermoplastic polyester, preferably polyethylene terephthalate (PET), at least one sealable outer layer and a second non-sealable outer layer and, optionally, other intermediate layers, in addition to at least one flame-retardant agent, preferably organic phosphorous compounds. The inventive films are characterized by low inflammability, high UV stability, no embrittlement when subjected to thermal stress and a surface which is devoid of troublesome opacity. They are suitable for a multiplicity of uses both indoors and outside. The outer layers contain anti-blocking agents such as silicic acid having an average particle diameter of preferably less than 50 nm and/or 2 ?m. Preferably, the sealable outer layer consists of a copolyester which is made of ethylene terephthalate and ethylene isophthalate units.

Abstract: The present invention relates to a display strip to hold commodity-containing bags. It can facilitate to make a process of attaching the bags thereto automate. It enables commodity-containing bags to be removed therefrom without having their appearance degraded. The display strip according to the present invention is utilized to hold and align a plurality of commodity-containing bags vertically for the display. It comprises at least a substrate layer and a sealant layer with the sealant layer containing an ethylene-vinyl acetate copolymer and an adhesive promoting tackifier.

Abstract: This invention relates to a coextruded, transparent, biaxially oriented polyester film comprising a base layer (B) and a heatsealable top layer (A) which is peelable with respect to at least CPET. The heatsealable and peelable top layer (A) consists of a) 70–97% by weight of polyester and b) 3–20% by weight of a polyester-incompatible polymer (=anti-PET polymer) based on the mass of the top layer (A), wherein c) the polyester is composed of 20–95 mol % of units derived from at least one aromatic dicarboxylic acid and 5–80 mol % of units derived from at least one aliphatic dicarboxylic acid, the sum of the dicarboxylic acid-derived molar percentages being 100, and d) the layer thickness of the top layer (A) dA is from 1.7 to 6.0 ?m. The invention further relates to a process for producing the film and to its use.

Abstract: A UV-transparent pressure sensitive adhesive comprising (a) a copolymer of (a1) from 75 to 99.8% by weight of acrylic esters and/or methacrylic esters of the formula CH2?CH(R1)(COOR2), where R1 is H or CH3 and R2 is an alkyl chain having 1 to 20 carbon atoms; (a2) from 0 to 10% by weight of acrylic acid and/or methacrylic acid of the formula CH2?CH(R1)(COOH), where R1 is H or CH3; (a3) from 0.2 to 5% by weight of olefinically unsaturated monomers which contain at least one UV-crosslinking functional group per monomer; and (a4) from 0 to 20% by weight of olefinically unsaturated monomers which contain at least one functional group per monomer; the copolymer having a weight average molecular weight of less than 300,000 g/mol and (b) from 2 to 20% by weight, based on the weight of copolymer, of a silicate filler, the silicate filler having a maximum particle diameter of 50 nm; and having a residual solvent fraction of less than 1%, based on the pressure sensitive adhesive.