Abstract: An optical article comprising a flexible plastic substrate having an index of refraction ranging from 1.55 to 1.71 and having first and second surfaces and an anti-reflection coating carried by the first surface. The anti-reflection coating consists of a high index material and a low index material in which the high index material has an index of refraction of 2.0 and greater to provide the index of refraction difference between the substrate and the high index material of 0.29 to 0.75. The low index material is formed of a material having an index of refraction of 1.38 or less to provide an index of refraction difference between the high index material to the low index material ranging from approximately 0.59 to 0.92.

Abstract: Sausage casings of starch which can be processed like a thermoplastic and to processes for the production and use thereof. The sausage casing comprises a thermoplastic starch which is comprised of natural starch which has been converted into an amorphous state.

Abstract: A multiple ply tissue paper structure is disclosed. The multiple ply tissue paper has plies having different texture values. In one embodiment, the multiple ply tissue paper has two plies having different calipers and macrodensities. In another embodiment, the multiple ply tissue paper has three plies, including a relatively untextured ply disposed between two relatively highly textured plies.

Abstract: A method for adhering tubular casing material containing at least 25 weight percent water, during the process of its manufacture, which comprises applying a plurality of beads of a cyanoacrylate adhesive having a viscosity of from 250 to 1000 cps, to a surface of the casing or of a separate film material, and squeezing the casing surface and the film material together to form a bond. The invention also includes bonds and splices made in accordance with the method of the invention.

Abstract: A heat-resistant anti-static pressure-sensitive adhesive tape comprising a substrate having coated thereon an acrylic microparticulate adhesive having an average diameter of at least about 1 micrometer, wherein the microparticles have a surface bearing thereon a conductive material formed from a polymer electrolyte base polymer, and at least one ionic salt selected from the group consisting of salts of alkali metals and salts of alkaline earth metals, and at least one thermal stabilizer selected from the group consisting of hindered amines, salts of substituted toluimidazoles, and mixtures thereof, said substituted toluimidazoles having the formula: ##STR1## wherein R.sub.1 is selected from the group consisting of hydrogen, a methyl group, an ethyl group and a propyl group, R.sub.

Abstract: Pavement marking material comprising a top layer, an optional base sheet, and a layer of adhesive, wherein the adhesive comprises a rubber and a high loading of tackifier. Such adhesives have been found to exhibit exceptional impact shear resistance.

Abstract: A tubular cover or metal support members has been provided in which the tubular cover member is made of multiple layers of material such as wood veneer and in which all of the layers are severed to form a slit to extend longitudinally of the tube and in which a hinge point is formed diametrically opposite to the slit by severing all except the outer layer of material. In one embodiment, the hinge is reinforced with a sheet of inorganic material. Applying the tube to the support member entails opening the cover to place it on the support member and fastening the opposite edges of the slit to each other to make a permanent enclosure for the support member.

Abstract: An improved method is described for the fusing, joining or seaming of cellulosic materials. The method utilizes a solution of selected organometallic compounds or metal oxides to rapidly crosslink opposing, overlapping cellulosic surfaces to provide secure seams. Enhanced seam strength is achieved by a subsequent moisture treatment. The tubular cellulosic casings are well-suited for the manufacture of sausages and sausage-like products. The seams according to this invention have exceptionally high shear strength and wet strength.

Abstract: A pressure-sensitive adhesive comprises an elastomer having a partially oriented and partially crystallized elastomer component. Articles comprising the pressure-sensitive adhesive on a backing or substrate are also disclosed, as are methods of preparing the adhesive and the articles.

Abstract: A pressure-sensitive adhesive composition comprises an adhesive selected from the group consisting of rubber resin adhesives and acrylic adhesives containing from about 10 to about 60% by weight of the adhesive of a non-halogen intumescent flame retardant.

Abstract: A semiconductor wafer processing tape comprises a permanent backing and a layer of a non-pressure sensitive adhesive comprising a thermoplastic elastomer block copolymer on the permanent backing. Optionally, the adhesive may include an adhesion modifier such as a tackifying resin, a liquid rubber or a photocrosslinking agent. The tapes are useful for both wafer grinding and wafer dicing applications. A method of processing semiconductor wafers is disclosed.

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

Abstract: A high shear adhesive tape having an adhesive layer containing a rubber mix and at least one tackifier agent, the rubber mix including an effective amount of a crosslinked halogenated butyl rubber, the remaining rubber in the mix being non-crosslinked, the non-crosslinked rubber preferably being butyl rubber, the adhesive layer further being characterized as being free of any crosslinking agent for the remaining rubber in the mix; and pipewrap systems employing this tape.

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

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

Abstract: A composite material having high hardness comprises a carbon nitrogen compound, such as CN.sub.x where x is greater than 0.1 and up to 1.33, deposited on a metal or metal compound selected to promote deposition of substantially crystalline CN.sub.x. The carbon nitrogen compound is deposited on a crystal plane of the metal or metal compound sufficiently lattice-matched with a crystal plane of the carbon nitrogen compound that the carbon nitrogen compound is substantially crystalline. A plurality of layers of the compounds can be formed in alternating sequence to provide a multi-layered, superlattice coating having a coating hardness in the range of 45-55 GPa, which corresponds to the hardness of a BN coating and approaches that of a diamond coating.

Abstract: A method for coating cloth especially fiberglass sheets with a resin and resulting structure is provided. The coating is performed in two steps. In the first step, essentially all of the strands of the fiberglass are coated with the resin solvent mixture while maintaining the interstices or openings essentially free of the solvent mixture. This first coating is then partially cured to the extent that it will not redissolve in a second coating of the same resin solution. The coated fiberglass with partially cured resin thereon is then given a second coating of the same resin mixture which coats the first coating and fills in the interstices between the fibers. This second coating is then partially cured, which advances the cure of the first coating and results in an impregnated fiberglass cloth structure for use as sticker sheets.

Abstract: A non-magnetic material such as cardboard or plastic is used as the packaging material for the product to be protected from counterfeiting. The packaging material is configured as a box whose parts are bonded together by use of a hot-melt adhesive. The adhesive contains magnetic particles such as barium ferrite, and small molten globules of adhesive are applied to appropriate surfaces of the box during box fabrication. The box parts are folded to form the finished box, and under the application of pressure the globules of adhesive spread out and solidify, bonding the box surfaces together. It will be noted that presence of the magnetic particles in the adhesive does not modify the box fabrication procedure in any way, and that the box material may be processed and the box's surfaces printed in the usual manner.

Abstract: A gluable fixing element for holding structural or functional components to essentially flat surfaces of carrier parts. It consists of a bonding portion for producing an adhesive bond with the surface of the carrier part and at least one further holding portion for producing a positive or non-positive connection with the component. The bonding portion has a bonding surface which is provided with a curable and/or crosslinkable, reactive hot-melt adhesive that when dry is wear-resistant and non-adhesive at temperatures up to 80.degree. C. but that can be reactivated within a very short time when heated by thermal or other energy to a temperature sufficient to melt the adhesive to produce a durable adhesive bond between the element and the carrier parts.

Abstract: Article exhibiting at least one surface of glass, metal or hydrophobic polymer coated with blood-compatible surface layer, in which the biocompatible surface layer consists of an adsorbed hydrophobized water-soluble polymer. Process for providing said articles by adsorption of hydrophobized water-soluble polymer. Use of such a substrate material coated with said surface layer for manufacture of medical articles having a blood-compatible surface.

Abstract: Materials containing fine natural organic material particles are disclosed. As the fine particles, superfine silk fibroin particles are produced by a process comprising a first step of comminuting silk fibroin into coarse particles with dry mechanical comminuting means, a second step of comminuting the coarse silk fibroin particles into fine particles with dry mechanical comminuting means, and a third step of comminuting the fine silk fibroin particles into superfine particles with an average particle diameter of 10 .mu.m or below with dry mechanical comminuting means, the silk fibroin particles being beta-treated during or after at least one of the first to third comminuting steps. Specific examples of the material are films, sheets, paints, fiber treating materials, etc.

Abstract: A preservation article for the preservation of an archival article which involves an alkaline buffer and an adsorbent. A method of preserving an archival article which involves providing a preservation article in proximity to an archival article, wherein the preservation article includes an alkaline buffer and an adsorbent. The preservation article may be coated on or incorporated into a container, a packaging material, a support for an archival article or the archival article itself.

Abstract: A multilayer circuit board having three or more conductive layers, with at least two conductive layers electrically and mechanically connected by an interconnecting adhesive layer, is disclosed. The interconnecting adhesive layer comprises a conductive adhesive material having a plurality of deformable, heat fusible metallic particles dispersed substantially throughout a non-conductive adhesive. The fabricated multilayer circuit boards have interconnections which are reliable, heat resistant, and capable of withstanding thermal cycling and typical circuit board finishing and assembly processes.

Abstract: An anisotropic, electrically conductive adhesive film includes an insulating adhesive, electrically conductive particles dispersed in the electrically insulating adhesive, and transparent, spherical glass particles dispersed in the insulating adhesive.

Abstract: The present invention relates to a disposable electrode for providing electrical contact with a patient's scalp or skin during routine EEG or EKG tests, as well as EEG during full sleeping period in order to record electrical brain or skin waves, which comprises an electrically conductive composition having a volume resistivity in the range of between 1000 to 1500 ohms, acting also as an adhesive to the skin or the scalp by its remoistable property. The composition comprises: (1) a partially hydrolysed polyvinyl alcohol; (2) a highly hygroscopic salt selected from an metal salt, or organic chloride salt; (3) a highly electrolytic salt, and (4) a metal powder selected from aluminium, bronze and silver. The performance of the electrode was found to be the same as those known on the market.

Abstract: A patternable bonding material for joining the surfaces of two or more substrates permits localization of conductive or insulating hard-cored particles within an adhesive matrix to form patterned structures on or between the surfaces. Electrical, thermal, or mechanical energy may be transferred through, or isolated by the material. The material may be used in an uncured state to allow easy separation of the joined surfaces, or a more permanent bond may be formed. The adhesive may be cured by thermocuring, evaporation or ablation of organic components, pressure, or by the application of ultraviolet radiation.

Abstract: Electrically conductive sheet material preforms useful in bonding of electronic components as well as in the formation of electronic circuits are disclosed. The preforms, which comprise a multiplicity of electrically conductive adhesive members, each being separated from each other by means of a non-electrically conductive adhesive, are particularly useful in the assembly of multi-chip modules and other electronic devices.

Abstract: An assembly for creating laminated cards for printing by a laser printer has a backing sheet. The backing sheet has a first side with a release coating, and a second side with a printable surface. The assembly also has a card which has been cut from the backing sheet. A lamination sheet adhesively adheres to the first side of the backing sheet and to the cut card. A lamination strip which has been cut from the lamination sheet has a first portion which adheres to and covers one surface of the card. The lamination strip also has an integral second portion which adheres to the backing sheet adjacent to the cut card. The lamination strip maintains the cut card in the same position relative to the backing sheet that the card had prior to being cut. The assembly has a substantially constant thickness and substantially flat upper and lower surfaces so that the assembly can pass through a complex paper path without jamming. A method for creating laminated cards from such an assembly has several steps.

Abstract: Retroreflective glass or plastic beads have fluorescent properties when irradiated with ultraviolet light and are emplaced in signs in patterns indicative of alphanumeric characters, or embedded in a hot melt comprising road stripes or embedded in the road asphalt or aggregate during construction of the road, to provide effectively bright and clear indications of signs or the extent and direction of the road. The glass beads comprise spherodized soda lime, borosilicate, phosphosilicate or aluminosilicate glasses with low levels of rare-earth dopants mixed therein, such as compounds containing one of the rare earths, or lanthanides. The plastic beads may have fluorescent materials mixed therein, typically organic pigments or dyes based on coumarin and rhodamine or the like.

Abstract: Compositions, methods, and systems for manufacturing articles, particularly containers and packaging materials, having a particle packed, highly inorganically filled, cellular matrix are disclosed. Suitable inorganically filled mixtures are prepared by mixing together a starch-based binder, a solvent, inorganic aggregates, and optimal admixtures, e.g., fibers, mold-releasing agents, rheology-modifying agents, plasticizers, coating materials, and dispersants, in the correct proportions to form an article which has the desired performance criteria. The inorganically filled mixtures have a predetermined viscosity and are heated between molds at an elevated temperature and pressure to produce form-stable articles having a desired shape and a selectively controlled cellular, structure matrix. The molded articles may be placed in a high humidity chamber to obtain the necessary flexibility for their intended use.

Abstract: A wrapping material comprising a sheet of material such as paper, cellophane, foil, or man-made organic polymer film and a cling material such as polyethylene secured to a portion of the sheet of material. The cling material connects to the sheet of material and/or itself as the wrapping material is wrapped about an item thereby securing the sheet of material about the item.A method of wrapping an item such as a floral arrangement, Easter basket or a gift container by wrapping the item with the wrapping material.

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

Abstract: The invention relates to a polymer compound for the production of sealing elements for vessel or container closures, which sealing elements when closed have a barrier effect preventing the penetration of gaseous or vaporous substances such as oxygen or aromatic compounds, in particular benzenes, phenyl ethers and suchlike into the vessel and/or show an excess pressure valve effect at interior vessel pressures of between approx. 3 and 10 bar and may be produced by mechanical forming of the unshaped thermally plastified polymer compound and its subsequent hardening directly on or in the vessel closure ("in shell" moulding), comprising a mixture of butyl and/or acrylate rubber and a polymer of an .alpha.-oleflnic unsaturated monomer as well as, if appropriate, one or several further polymer components and common additives such as glide enhancers, pigment, talcum and stabilizers. The invention further relates to a sealing element of this kind and a corresponding vessel or container closure.

Abstract: An antistatic adhesive article which comprises an adhesive layer and utilizes vanadium oxide to impart antistatic properties to the article. The article is preferably an adhesive tape or sheet. The adhesive may be pressure sensitive or non-pressure sensitive. The vanadium oxide may be incorporated into or onto the tape from an aqueous dispersion.

Abstract: A layered material containing a buffer and optionally containing an adsorbent. The material may also include a vapor barrier. The material is used for the preservation of archival documents and objects.A container configured to permit the long term storage of documents without slippage of the documents or resulting deformation may also be made from the material.

Abstract: A heat-resistant anti-static pressure-sensitive adhesive tape comprising a substrate having coated thereon an acrylic microparticulate adhesive having an average diameter of at least about 1 micrometer, wherein the microparticles have a surface bearing thereon a conductive material formed from a polymer electrolyte base polymer, and at least one ionic salt selected from the group consisting of salts of alkali metals and salts of alkaline earth metals, said adhesive being adhered to said substrate by means of a primer, said primer comprising at least one phenolic resin and at least one rubbery compound, said adhesive tape being capable of surviving immersion in molten solder for at least about 5 seconds.

Abstract: A pressure-sensitive adhesive closure system for a disposable diaper, or the like, in which a pressure-sensitive adhesive fastening tab releasably attaches to a non-blocking thin diaper backsheet which has been treated to raise the surface energy and pattern printed, preferably in a polar solvent, in a discrete area with a release material. The release material prevents the backsheet from blocking in roll form and allows the pressure-sensitive adhesive fastening tab to be removed from the backsheet without destruction of the backsheet.

Abstract: Strip of an adhesive film for a bond which can be redetached without residue, based on thermoplastic rubber and tackifying resins, the adhesive film possessing high elasticity and low plasticity and the adhesion being less than the cohesion, the adhesion disappearing when the film is extended, the ratio of pulling force to tearing load being at least 1:1.5, and an adhesive bond produced therewith being able to be separated by pulling on the adhesive film in the direction of the bonding plane, one end of the strip being provided on both sides with a covering which is adhesive on the side facing the adhesive film and which serves at the same time as a grip tab for pulling.

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

Abstract: Disclosed are heat-sealable edible films comprising at least a film layer containing a water-soluble polysaccharide as the principal component, or comprising at least (a) a film layer as described above and (b) a subfilm layer containing an alkali metal salt of casein, soybean protein or a combination of soybean protein and gelatin, as the principal component. Preferably, the water-soluble polysaccharide is composed chiefly of carrageenan and the film layer additionally contains a polyhydric alcohol. These edible films are useful in sealing or packaging powdery foods, granular foods, dry solid foods, oily foods and the like.

Abstract: A paint film-protective sheet comprising a supporting substrate having formed thereon a rubber-based pressure-sensitive adhesive layer containing a fatty acid glycerol ester and an antifungal agent.

Abstract: A method and composition for joining flip chips back-side-up with respect to substrates by applying an adhesive between the active side of the flip chip and the substrate. The adhesive is a conductive silicone pressure sensitive adhesive containing (i) a silicone resin, (ii) a siloxane gum, (iii) a conductive particulate material, and optionally, (iv) a peroxide catalyst. Suitable conductive particulate materials are silver-clad glass fibers; spherical gold particles; spherical hollow glass microspheres coated with silver, gold, nickel, or copper; or spherical particles of metal alloys of Sn/Cu, Pb/Sn, or Au/Sn. The adhesive can be applied as a ball or bump itself, in conjunction with a solder ball or bump, or in the form of tape sandwiched between the flip chip and substrate.

Abstract: A paint film-protective sheet comprising a supporting substrate having formed thereon a rubber-based pressure-sensitive layer comprising a rubber-based polymer having a low polarity and which does not contain unsaturated bonds or contains a small amount of unsaturated bonds, and a high-polar additive. The paint film-protective sheet can adhere even to a paint film which is liable to cause a poor adhesion by bleeding, etc., without need of applying a cleaning treatment, can maintain the good adhered state over a long period of time, and can be easily peeled cleanly even after adhering for a long period of time.

Abstract: A fastener tab for disposable diapers has improved tactile softness provided by surface morphologies of preselected projection and/or relief dimensions.

Abstract: The transfer of dichroic inks into stretched and oriented substrates to form stereoscopic polarizing images and the like can be improved by the use of coatings which enhance imbibition of the ink into the substrate. The coatings serve to hold the ink in situ for a sufficient period of time to permit absorption of the dye and transfer of rich colors while minimizing the problems of smearing and/or runoff of unabsorbed ink. The present invention is particularly use will in the adaptation of ink jet printing techniques to the formation of stereoscopic polarizing images.

Abstract: An adhesive for electroless plating is formed by dispersing particular heat-resistant granules easily soluble in an oxidizing agent into a particular heat-resistant resin sparingly soluble in the oxidizing agent through a curing treatment. A printed circuit board is manufactured by using such an adhesive.

Abstract: A multi-layer article that includes a layer of a water-soluble polymer that provides a water-removable, non-tacky film over an adhesive layer and/or acts as an adhesive for securing the multi-layer article to a substrate, such as concrete, when wetted. The article forms a water barrier capable of being secured to an area of potential water flow including a layer of flexible, water-impermeable sheet material having a continuous or discontinuous coating of a water-soluble polymer thereon. When the water-soluble polymer is wetted to at least partially solubilize the water-soluble coating, the polymer readily adheres the article to a substrate at the area of potential water flow.

Abstract: An elongated structural element includes an external tubular casing (11) with the hollow interior space filled with a polymer binder (12) containing a plurality of elongated parallel continuous strands of fiber reinforcement material (13) extending lengthwise of the element. A method for preparing such an element is provided by filling a preformed tubular casing (11) with a polymer binder (12) in liquid form in which is dispersed the fiber reinforcement material (13) and allowing the polymer binder to solidify. The element may be initially shaped prior to solidification or reheated into another shape such as a helical coil or spring. An internal casing (29) can also be used where the fiber reinforcement strands (13) are between the external and internal casings (11) and (29).

Abstract: A wooden tube made up of tubular layers of wood veneer and the method of making it in which the various tubular layers are made from flat sheets of wood veneer having the grain in one layer extending longitudinally and the grain in an adjacent layer extending circumferentially of the tube so that the grain in adjacent layers extend transversely of each other with all joints extending in the direction of the wood grain being edge to edge butt joints and all joints extending transversely to the wood grain being interlocking finger joints and with adjoining tubular layers being bonded to each other to form a unitary tube.

Abstract: The invention relates to a method for making and administering a blinded oral dosage form and the blinded oral dosage form therefor, used for disguising the identity of tableted medications. The method includes making a blinded oral dosage form by placing a tableted medication within a capsule have a diameter greater than its height. The blinded oral dosage form is the combination of the above-described capsule and the tableted medication.