Abstract: Disclosed herein is a coextruded, biaxially stretched and laminated heat-shrinkable tubular film, comprising:a gas-barrier layer of a copolymer of vinylidene chloride having a thickness, which is not more than 30% of the total thickness of the coextruded, biaxially stretched and laminated heat-shrinkable tubular film, of not less than 6 .mu.m, outer layers of a polyolefin, at least one intermediate layer of a polyamide or a thermoplastic polyester, both of which show a crystal melting point of not more than 240.degree. C.

Abstract: Hot-tackifying adhesive tape, the adhesive layer of which is an acrylic polymer which is nontacky or poorly tacky at ordinary room temperature, but at any temperature over a wide range of elevated temperatures, it becomes tacky and adheres upon contact to clean substrates without the application of significant pressure. Good bonds are immediately formed at a tackifying temperature without the necessity of crosslinking or other chemical reactions.

Abstract: A single-sheet gusset bag for photographic photosensitive materials comprising a laminated sheet of which the inner surface layer is a light-shielding polyolefin resin film layer and the outer surface layer is a heat-resistant flexible sheet layer, and having a botom seal portion fixed by a hot-melt adhesive having a softening point by ring and ball method of 75 to 115 C of which the coating amount in the center portion is less than the coating amount of the side portion.In the gusset bag of the invention, the bottom seal portion can be effectively sealed without incidence of fogging and uneven gloss caused by the heat of the hot-melt adhesive. Since the gusset bag is formed of a single sheet, packaging is readily achieved. The cost of the packaging material is also inexpensive.

Abstract: A heat-sensitive transfer medium comprising a support, and a transfer layer comprising at least a non-flowable ink layer and an adhesive layer, said two layers being provided in that order from the support side. The transfer medium can give a print image of a high quality on a rough paper.

Abstract: A heat shrinkable cylindrical laminated film having a polyvinylidene chloride type resin (I) as an oxygen gas barrier core layer, on the both surface side of which 1 or 2 resin layers are arranged respectively and consisting of 3-5 layers with total, characterized in that the cylindrical exterior surface resin layer on said layer (I) comprises a crosslinked polyolefin type resin layer (II) having a gel fraction [x] at the outermost layer of 25-70% by weight, a geld fraction [y] at the surface layer in the side of the layer (I) of 40% by weight or less and a gradient of gel fraction represented by [y/x] of 0.6 or less and the joint of said layers (I) and (II) comprises a laminate of a joint in a state denaturated by electron rays.

Abstract: A membrane type liquid containment system such as a membrane roof, pond liner and the like is disclosed wherein a large membrane is formed by adhering together individual membrane sheets at lap seams or field splices. The field splice includes a primary adhering seal formed by a splicing cement. The splice also includes a thick bead of a sealant applied between the overlapped edges. This seal acts to form a secondary or redundant seal in the field splice whereby any failure in the splicing cement or primary bond does not cause failure. A method of forming this seal is also described which permits application of the lap sealant after the cement has been applied while the cement is developing body or strength.

Abstract: Command-cure compositions especially for use in insulated window assemblies permit the composition to be rendered adhesively bonding at a selected time interval after formation of the assembly to firmly bond opposed surfaces of the assembly; a particular adhesive in strip or tape form comprises an adhesive polymer composition which is transparent to curing radiation especially UV, and curable in the presence of the radiation; the curing is inhibited by oxygen; the composition is solvent free and cures to a mass resistant to water; surfaces of the adhesive exposed to oxygen remain tacky and uncured; the adhesive is especially useful in window structures in which adhesion of the tacky surface excludes the cure-inhibiting oxygen and the tacky surface can be cured by UV radiation passing through the window glass.

Abstract: This invention provides a metal oxide magnetic substance represented by the following general formula:MeO.n[Ma.sub.x Mb.sub.y Co.sub.z Fe.sub.2-(x+m/3y+2/3z) O.sub.3 ][wherein, Me, Ma, Mb, x, y, z, m and n are each as mentioned below.Me: at least one divalent metal selected from the group consisting of Ba, Sr and Pb,Ma: at least one trivalent metal selected from the group consisting of Ga, Al, Cr and Rh,Mb: at least one divalent to tetravalent metal selected from the group consisting of Zn (divalent); Ni, In, Sc, Cr, Sb, Bi, Y and Sm (trivalent), and Mo, Ti, Sn, Ta, V, Mn, Ir, Hf, Pd, Nb, Re, Pt, Os, Zr, Tc, Rh, Ge, Ru, W, Te, Pr and Ce (tetravalent) wherein, the metal represented by Mb is not the same as that represented by Me or Ma)x: 0<x.ltoreq.0.5y: 0<y.ltoreq.0.5z: 0<z.ltoreq.0.5 (wherein, 0<x+y+z.ltoreq.1)m: an ionic valency of Mbn: 5.ltoreq.n.ltoreq.

Abstract: Improved binders or binding seals are proposed which have a substrate of a flexible material. At one end of the substrate is provided an ordinary adhesive layer and at the other end is provided a peelable adhesive layer covered with an ordinary adhesive layer. The peelable adhesive layer allows the user to stick the end of the binder and peel it whenever desired. The binder may be formed with a hole or holes at one end to secure it to a file, and with a peelable adhesive layer at the other end so that a document can be stuck and peeled on and from it.

Abstract: An elastomeric sealing gasket assembly comprising a sealing compound layer between a removable carrier paper and a flexible cover film can be kept permanently elastic and, at the same time, withstand condiderable surface pressure by embedding substantially imcompressible spacer in the sealing layer.

Abstract: The invention describes a multi-ply, self-adhesive and deep-drawable protective sheet, especially for the internal and external outfitting of automotive vehicles, consisting of a carrier sheet containing a thermoplastic synthetic resin based on an ethylene-propylene-diene terpolymer and/or an ethylene-propylene copolymer and a homo- and/or copolymer of propylene, small amounts of fillers and conventional additives; a pressure-sensitive adhesive layer based on an alkyl acrylate and/or methacrylate and/or a copolymerizable, ethylenically unsaturated monomer, such as acylic acid, and a cover layer of a unilaterally siliconized polyolefin film.

Abstract: Method for repairing damaged metal surfaces comprising the steps of:(1) exposing bare metal surface in the vicinity surrounding the damaged area to be repaired,(2) cleaning the bare metal surface,(3) providing a thin, corrosion-resistant patch consisting of a covering member having a face side, back side, and edge side bounded by said face side and said back side, and having a layer of adhesive, preferably a pressure-sensitive adhesive, and coated on said back side, and(4) applying the corrosion-resistant patch to the damaged surface, said patch adhering to the bare metal surface adjoining and surrounding the patch, and(5) applying a sufficient amount of flexible putty to the bare metal surface adjoining and surrounding the patch so that a smooth transition running from the face side of said covering member to the metal surface is obtained.This method does not require the use of two-component body fillers, thus simplifying sheet metal repair for the novice.

Abstract: Disclosed herein is a heat-shrinkable laminate tubular film comprising a gas-barrier layer of a copolymer of vinylidene chloride, outer layers of a polyolefin, at least one intermediate layer of a polyamide or a thermoplastic polyester both of which show a crystal melting point of not more than 240.degree. C. and have a specified thickness, and adhesive layers disposed between any of the above layers.

Abstract: A pressure-sensitive adhesive that has high cohesive strength and adheres permanently to high-solids automotive paint systems preferably comprises a mixture of (1) a crosslinked acrylic copolymer of acrylic acid ester and N-vinyl-2-pyrrolidone, and (2) certain tackifier resins. Useful tackifier resins are poly(isobornylmethacrylate), pentaerythritol ester of rosin, and mixed-aliphatic/aromatic polymeric tackifier resins such as a t-butylated styrene. The tackifier resin preferably has a T.sub.g of at least 30.degree. C., M.sub.n from 300 to 3000, and a solubility parameter from 8 to 9. The novel pressure-sensitive adhesive is particularly useful as a dense surface layer of a composite tape having a foamlike core.

Abstract: A heat-sensitive transfer sheet comprising a base film, a first hot melt layer composed mainly of wax, a coloring layer comprising at least one colorant and at least one a resin as a vehicle, and a second hot melt layer composed mainly of wax, these layers being formed on said base film in this order.

Abstract: A film laminate for flexible containers capable of containing a product to be maintained and accessed under sterile conditions. The laminate having an outside layer of linear low density polyethylene, a core layer of nylon, an inside layer of linear low density polyethylene and two layers of a polyurethane adhesive for bonding the layers.

Abstract: The present invention is a multilayered coextruded film and process of coextruding. The coextruded film comprises at least one thermoplastic fluoropolymer layer and at least one thermoplastic polymeric layer adjacent to the thermoplastic fluoropolymer layer. There is preferably a coextruded adhesive layer between each thermoplastic fluoropolymer layer and each thermoplastic polymeric layer. The coextruded film can be oriented in at least one direction and/or embossed without delamination, fibrillating, or splitting.

Abstract: There is provided a transfer sheet made up of a flexible substrate, a laminated image part composed of metal layer and printed film layer, and an adhesive layer formed on the image part. The printed film layer has an elongation at break greater than approximately 4% and has a thickness greater than approximately 4 .mu.m. The peel strength between the substrate and the metal layer is smaller than approximately 10 g/25 mm width, and the adhesion strength between the metal layer and the printed film layer and between the printed film layer and the adhesive layer is greater than approximately 4 kg/cm.sup.2. Because of these characteristic values, the transfer sheet permits the image part including the metal layer to be released without breakage and permits satisfactory transfer.

Abstract: The present invention provides a metal oxide magnetic substance represented by the general formula I:MeO.multidot.n[Al.sub.X M.sub.Y Fe.sub.2-x-(m/3)Y O.sub.3 ](wherein, Me is at least one member of Ba, Sr and Pb, M is at least one member of Zn, Sc, In, Cr, Ir, Ru, Rh, Ti, Ta, Sn and Ge, 5.ltoreq.n.ltoreq.6, 0<X.ltoreq.0.8, 0<Y.ltoreq.0.6, and m is the ionic valency of M), a magnetic film consisting thereof, and a magneto optical recording medium and a perpendicular magnetic recording medium having the magnetic film.

Abstract: The present invention provides a metal oxide magnetic substance represented by the general formula I:MeO.n[Ga.sub.X M.sub.Y.sup.I Fe.sub.2-X-(m/3)Y O.sub.3 ](wherein, Me is at least one member of Ba, Sr and Pb. M.sup.I is at least one member of Zn, Sc, In, Cr, Ir, Ru, Rh, Ti, Ta, Sn and Ge, 5.ltoreq.n.ltoreq.6, O<X.ltoreq.0.8, O<Y.ltoreq.0.8 and m is the ionic valency of M.sup.I) or represented by the general formula II:MeO.n[M.sub.T.sup.II Fe.sub.2-T O.sub.3 ](wherein, Me is at least one member of Ba, Sr and Pb, M.sup.II is at least one member of Ga and Al, 5.ltoreq.n.ltoreq.6 and O<T.ltoreq.1.0), a magnetic film consisting thereof, and a magneto optical recording medium and parpendicular magnetic recording medium having the magnetic film.

Abstract: A tubular film and method for making the film by extrusion provide a multi-layer film having a central layer of barrier material which overlaps itself by a substantial distance along a weld line. The film includes inner and outer adhesive layers positioned on opposite sides of the central barrier layer, which adhesive layers completely encapsulated the central barrier layer. Finally, the film includes inner and outer surface layers. The inner surface layer is positioned within the inner adhesive layer, and the outer surface layer is positioned outside the outer adhesive layer.

Abstract: A backup material for small bore drilling in hard crystalline materials, such as multilayer circuit boards containing polyimide/glass, polyimide kevlar or modified epoxy BT/glass, includes at least one layer of hard crystalline material. Standard LCOA material with an additional layer selected from the group comprising polyimides, fluorocarbons and high temperature polycarbonates has proven successful.

Abstract: Insulated sheet material useful for making bonded electrical connections, especially to sets of small side-by-side terminal pads. In one typical form, the sheet material is an elongated tape comprising an elongated insulating web; a plurality of narrow spaced parallel elongated electrically conductive stripes on the web; electrically conductive adhesive disposed over the stripes comprising a layer of adhesive material in which are dispersed a monolayer of rather thick electrically conductive particles; and a thin electrically insulating layer disposed over the conductive adhesive and which is nontacky or poorly tacky at room temperature, provides high electrical resistance throughout the layer to the conductive particles, softens to an adhesive and flowable condition upon heating to an elevated temperature, and upon cooling to room temperature assumes a firm and substantially nonflowable condition.

Abstract: A security glass which possesses substantial resistance to penetration by impact by a heavy implement and which exhibits only a small amount of spall formation is a glass flexible bonding material, e.g. polyvinylbutyral, laminate in which the layer of flexible bonding material positioned other than at the forwardmost flexible bonding material layer position possesses increased thickness. The rearmost glass layer is generally relatively thin and is preferably chemically toughened.

Abstract: A heat radiating sheet body comprising a ceramic sheet, a carbon particle layer formed on the ceramic sheet and a pair of electrodes formed on the carbon particle layer, the ceramic sheet being formed in a thickness of 0.05.about.1 mm by paper-making of ceramic fiber, the carbon particle layer being formed by coating by a screen printing utilizing a printing medium comprising a mixture of carbon particle and a dispersing medium.

Abstract: A method for tensioning a thin film on a support ring to achieve an optically flat membrane. The support ring is optically flat with a slight bevel at its outside edge where the membrane is epoxied to the support ring.

Abstract: Sheet material useful for making bonded electrical connections, especially to sets of small side-by-side terminal pads. In one typical form, the sheet material is an elongated tape comprising an elongated insulating backing; a plurality of narrow spaced parallel elongated electrically conductive stripes on the backing; and electrically conductive adhesive disposed over the stripes comprising a layer of adhesive material in which are contained a monolayer of electrically conductive elements which are thinner than the adhesive layer. The surface of the adhesive layer that contacts a substrate is configured so that at least a portion of the area of the surface is recessed below other areas of the surface, whereby when the adhesive layer is heated and pressed against a substrate, adhesive material may be displaced into the recessed areas and allow the electrically conductive elements to be brought into close electrical association with the substrate.

Abstract: Disclosed herein is a heat-resistant laminate film comprising a gas-barrier layer of a copolymer of vinylidene chloride and at least one comonomer copolymerizable with vinylidene chloride, outer layers of polypropylene and two adhesive layers of polyolefin modified by acid and thermoplastic polyurethane, disposed between any of the above layers and bonded with each other, the modified polyolefin adhesive layer being bonded to the outer layer and the thermoplastic polyurethane adhesive layer being bonded to the gas-barrier layer.

Abstract: The invention relates to a roofing-material provided with perforations and comprising a bituminized carrier with a non-sticking lower surface and destined for being applied on a substratum and for being covered by an upper layer, which may contain a carrier which is bituminized with modified bitumen, and which may be applied by means of a torch.According to the invention the carrier of the roofing-material is bituminized with modified bitumen, and the perforations are so large that the upper layer can be directly applied on the roofing-material by means of a torch and can be adhered to the substratum via the perforations.

Abstract: Disclosed herein is a heat-shrinkable composite laminate film comprising an intermediate layer of a copolymer of vinylidene chloride, an outer layer of a polyamide, another outer layer of an olefin resin and two adhesive layers disposed between the intermediate layer and each of the two outer layers, the adhesive layers being at least one resin selected from the group consisting of a modified copolymer of ethylene and a vinyl carboxylate or an acrylic ester by an ethylenically unsaturated carboxylic acid or an acid anhydride thereof and a polymeric material obtained by further modifying the above-mentioned modified copolymer with a metal compound, and a process for preparing the same.

Abstract: An elastomer member with non-tacky surface treating layer is disclosed as well as a method of manufacturing same. An elastic adhesive layer is provided between a base elastomer member and a non-tacky surface treating layer which comprises hydrocarbon polymer, thereby improving the bonding strength of the surface treating layer and the resistance to organic solvent and crack resistance.

Abstract: An article comprising a backing, a silicone pressure sensitive adhesive, and optionally, a silicone release coating is provided for effecting removal of vertically cohesive inks from cellulosic materials. There is also provided the process of making and using the article.

Abstract: A preformed sheet-like barrier useful for insulating and waterproofing a structure formed from a closed cell porous structure having an adhesive bituminous sheet integrally adhered to one major surface of the structure and having a removable coating substantially coextensive and congruent with the free surface of the bituminous sheet.

Abstract: A preformed sheet-like barrier useful for drainage enhancing away from and waterproofing of a structure, said barrier is formed from an open cell porous structure having an adhesive bituminous sheet integrally adhered to one major surface of the structure and having a removable coating substantially coextensive and congruent with the free surface of the bituminous sheet.

Abstract: A pressure-sensitive tape having a closed-cell polymer foam backing strip and a pressure-sensitive adhesive is disclosed. The tape is formed into a roll so that the adhesive of one layer is in direct physical contact with the foam of the next layer, without the use of release paper or release coatings. The tape may be unwound without significantly disrupting either the adhesive layer or the foam layer. The foam is preferably a closed-cell cross-linked polyethylene copolymer and the adhesive is preferably a hypoallergenic acrylic-based adhesive.

Abstract: A laminated sheet is described, which comprises a porous sheet, and a uniaxially molecularly-orientated thermoplastic resin film bonded onto at least one side of the porous sheet through an adhesive layer. This laminated sheet has excellent physical strength and cushioning characteristics. Incorporation of a light-shielding substance into the laminated sheet makes it suitable for use as a wrapping material for light-sensitive materials.

Abstract: A preformed sheet-like barrier useful for insulating and waterproofing a structure formed from a closed cell porous structure having an adhesive bituminous sheet integrally adhered to one major surface of the structure and having a removable coating substantially coextensive and congruent with the free surface of the bituminous sheet.

Abstract: A preformed sheet-like barrier useful for drainage enhancing away from and waterproofing of a structure, said barrier is formed from an open cell porous structure having an adhesive bituminous sheet integrally adhered to one major surface of the structure and having a removable coating substantially coextensive and congruent with the free surface of the bituminous sheet.

Abstract: A bonded reinforced plastic structure which comprises reinforced plastic parts of sheet molding compound or bulk molding compound, coated with a primer coat and bonded together with a thermoplastic block copolymer. The primer coat comprises a moisture-curable polyisocyanate. The block copolymer comprises from 40 to 80 weight percent crystalline polyester or polyamide segments and 20 to 60 weight percent amorphous polyamide or polyether segments and has a crystalline melting point of at least 155.degree. C. The bonded structure is adapted to survive the hot environment of paint curing ovens.

Abstract: A bonded plastic structure which comprises plastic parts of reaction injection molded polyurethane or reaction injection molded nylon coated with a primer coat and bonded together with a thermoplastic block copolymer. The primer coat comprises a moisture-curable polyisocyanate. The block copolymer comprises from 40 to 80 weight percent crystalline polyester or polyamide segments and 20 to 60 weight percent amorphous polyamide or polyether segments and has a crystalline melting point of at least 155.degree. C. The bonded structure is adapted to survive the hot environment of paint curing ovens.

Abstract: A cellular pressure-sensitive adhesive membrane comprising 15 to 85% voids that does not collapse after being briefly compressed, has remarkably good adhesion on contact with rough surfaces and remarkably good flexibility and conformability at sub-freezing temperatures.

Abstract: An adhesive tape comprises a base sheet and an adhesive layer coated on one side of the base sheet, characterized in that said base sheet comprises an intermediate layer made of a crystalline polypropylene containing from 25 to 35% by weight of a petroleum resin and outer layers made of a crystalline polypropylene laminated on both sides of the intermediate layer, said intermediate layer having a thickness within a range of from 60 to 90% of the total thickness of the base sheet and the layers of the base sheet being biaxially oriented so that the orientation in the longitudinal direction is greater than the orientation in the transverse direction.

Abstract: Improved flexible waterproofing membranes of the pre-formed pressure-sensitive or self-adhesive bituminous type particularly useful in roofing are described. The membranes are in the form of factory-manufactured, flexible, sheet-like laminates employing a comparatively thin layer of metal film or foil positioned (a) beneath a support layer of synthetic polymer film and (b) above a layer of waterproofing self-adhesive bituminous composition such as rubberized asphalt. The metal film imparts a number of desired properties to the laminate such as fire-resistance, handling, etc. The upper polymeric support film protects the metal film and provides, inter alia, strength, puncture-resistance, and additional waterproofing properties. In one preferred embodiment, the upper polymeric film layer is a film having good weatherability characteristics.

Abstract: A flocked material is formed of a first layer of a thermoset acrylic copolymer cross-linking water base adhesive having polyester or rayon flock fibers extending from one surface and a second layer of an amorphous thermoplastic polymer adhesive bonded to the other surface. The polymer adhesive is a homogeneous mixture of polyester and polyurethane or of polyamide and polyurethane. When the flocked material is applied to a material with sufficient pressure and heated sufficiently that the layer of polymer adhesive becomes adhesive, the flocked material adheres to the material against which the layer of polymer adhesive is pressed. Thus, the flocked material has particular utility as a letter, numeral, design, or silk screen print product for a sport uniform or wearing apparel, for example, of any material.

Abstract: A flexible film laminate and retortable pouch therefrom comprising a first layer of heat-sealable polyolefin film; a first adhesive layer contacting said polyolefin film, said first adhesive being a maleic acid anhydride adduct of an ethylene-propylene copolymer; a second adhesive layer contacting said first adhesive layer, said second adhesive being a combination of a styrene-butadiene block copolymer and a random terpolymer, said second adhesive also contacting; a second layer of a polyacrylonitrile homopolymer film; said laminate having been subjected to ultra violet radiation through said second layer to an extent resulting in a greater bond strength between layers than in the absence of said radiation.

Abstract: A method is disclosed for fabricating laminations of mica and conductive foils for generation of ions in air. A layer of mica is laminated to sheets of metallic foil using pressure sensitive adhesive as the bonding material. The foil is etched in order to form electrodes in a desired pattern. The mica-foil laminate may include an encapsulating layer or tape of pressure sensitive adhesive around the edges.

Abstract: A laminate to extend the life of photographs and prevent them from gradual deterioration due to environmental conditions comprises a laminate made of a transparent film of ultraviolet-stabilized polyethylene terephthalate or ultraviolet-stabilized acrylonitrile and a transparent silicone or acrylic adhesive bonded to the film, the laminate being adapted to be bonded to the image surface of a photograph by the adhesive. Alternatively, to provide even greater protection against moisture vapor and oxidation, an additional layer of a transparent fluorocarbon polymer may be bonded to the ultraviolet-stabilized polyethylene terephthalate or ultraviolet-stabilized acrylonitrile with a silicone or acrylic adhesive. Alternately, to provide a better aesthetic appearance by means of thermal texturization, an ultraviolet-absorbing polymethylmethacrylate film may be bonded to the ultraviolet-stabilized polyethylene terephthalate or ultraviolet-stabilized acrylonitrile with a silicone or acrylic adhesive.

Abstract: A dome-shaped diaphragm for loudspeakers comprising a substrate fabric of synthetic fiber, a poly-urethane elastomer film for giving airtightness to the substrate fabric, and a viscoelastic resin adhesive adhering the fabric and the film together.

Abstract: Normally tacky and pressure-sensitive adhesive tape, having a composite adhesive stratum made of 2 or more separate layers in which the tape synergistically exhibits properties superior to those of a tape made with either component layer alone. One layer is a polyurethane having some adhesive properties but lacking true pressure-sensitivity. The exposed surface of the stratum is a conventional pressure-sensitive adhesive. Numerical criteria are specified for each layer.

Abstract: A backup material for small bore drilling in hard .[.crystalline.]. materials, such as multilayer circuit boards containing polyimide/glass, polyimide kevlar or modified epoxy BT/glass, includes at least one layer of hard crystalline material. Standard LCOA material with an additional layer selected from the group comprising polyimides, fluorocarbons and high temperature polycarbonates has proven successful.