Abstract: An active agent-containing laminated material and the method for producing the same, in which an impermeable film is temporarily adhered to at least one side surface of an active agent-containing film and impermeable film can be peeled off and readhered repeatedly. The laminated material is prepared by directly laminating a molten web of active agent-containing polyolefin composition with an impermeable film at and pressing them together, said active agent-containing polyolefin composition comprising: (A) 10 to 100 parts by weigh to carboxyl group-containing ethylene based copolymer of at least 7% by weight in the content of carboxyl group-containing monomer; (B) 90 parts by weight or less of low density polyethylene having a melt index of at least 30 g/10 min.; and (C) at least 0.005 parts by weight of an active agent or agents relative to 100 parts by weight of said polymers (A) plus (B).

Abstract: A plural-layer, composite, high-transmissivity, optical element with a two-layer, organic, anti-reflective coating. The element includes a base layer, an intermediate layer formed of an organic material which is joined to and distributed over a face in the base layer, and a third layer formed of another organic material which is joined to and distributed over the exposed face in the intermediate layer. The intermediate and third layers cooperatively form the anti-reflective coating. All layers are prepared by spin casting. The solvent used in preparing the intermediate layer is chosen to be one which will not dissolve the base layer, and the solvent used in preparing the third layer is chosen to be one which will not dissolve either the intermediate layer or the base layer.

Abstract: A polypropylene foil with a content of fine particles of cellulose acquires substantially improved adhesion properties through surface activation, for example, radiation.

Abstract: A biaxially oriented film structure comprising (I) a comparatively thick base layer of a thermoplastic resin containing: an antistatic combination of (a) a compound of the formula RN(R.sub.1).sub.2 wherein R is a C.sub.6 -C.sub.24 alkyl group; R.sub.1 is H (OCH.sub.2 CH.sub.2).sub.n ; n=1-25; and (b) a monoester of an aliphatic C.sub.2 -C.sub.8 polyhydric alcohol and a C.sub.12 -C.sub.24 fatty acid; and a slip improving proportion of (c) a C.sub.12 -C.sub.24 fatty amide; and (II) a comparatively thin surface layer on at least one surface of (I), said surface layer comprising a thermoplastic resin containing an anti-block and COF reducing proportion of a finely divided inorganic material. This structure can be laminated to another film such as a polymeric film or a paper film such as glassine.

Abstract: A transparency for ink jet printing comprised of a supporting substrate and thereover a coating consisting essentially of a blend of carboxymethyl cellulose, and polyethylene oxides. Also disclosed are papers for use in ink jet printing comprised of a plain paper substrate and a coating thereover consisting essentially of polyethylene oxides.

Abstract: A plastic trim strip comprising an outer surface layer which is made of cellulose acetate butyrate having a thickness of from 0.3 to 0.8 millimeters, an inner surface reinforcing layer which is made of stainless steel or stainless bimetal having a thickness of from 0.1 to 0.5 millimeters and an intermediate layer which is located between the outer surface layer and the inner surface reinforcing layer to connect them and which is made of a thermoplastic material selected from the group consisting of acrylonitrile-butadiene-styrene, acrylonitrile-ethylene-propylenediene rubber-styrene, acrylonitrile-acryl rubber-styrene, acrylonitrile-chlorinated polyethylene-styrene, polycarbonate, polyphenyleneoxide, polyphenylenesulfide, and polyamide.

Abstract: Multi-layer containers are rendered resistant to hot fats under microwave conditions by coating the substrate which is not fat resistant with a cellulose ester layer such as cellulose acetate propionate.

Abstract: Described herein are disposable articles made from a water soluble polymer or a substrate made from such polymer, a surface of said article or substrate coated with a degradable water-insoluble polymer.

Abstract: Composite structures comprising one or more substrates and an adhesive blend adhered thereto. The blend is strongly adhesive to various substrates and especially to various polar substrates. The blend comprises a blend of a graft copolymer of a linear low density polyethylene backbone grafted with at least one grafting monomer which is one or more polymerizable ethylenically unsaturated carboxylic acids or anhydrides thereof, blended with a polyolefin blending resin. The disclosure also includes methods of adhering the blend to one or more substrates.

Abstract: Composite structures comprising one or more substrates and an adhesive blend comprising blends of a non-elastomeric graft copolymer of a non-polar ethylene homopolymer or copolymer backbone grafted with at least one grafting monomer comprising one or more of polymerizable ethylenically unsaturated carboxylic acids or the anhydrides of such acids blended with an elastomer-free blending resin that is a mixture of one or more linear low density polyethylenes and one or more polypropylenes.

Abstract: An improved pre-formed, sheet-like flexible laminate suitable for waterproofing of structural surfaces, the sheet-like material having a laminate structure of (a) a flexible waterproof and waterproofing bituminous membrane and (b) a support sheet material covering at least one major surface of the bituminous membrane; an oil-impermeable polymeric coating being provided between said support sheet material and the adjacent surface of the bituminous membrane to protect the support sheet from adverse effects of oil present in the bituminous membrane.

Abstract: A friction sheet is described consisting of a single layer or a laminated layer comprising an at least uniaxially oriented high density polyethylene film having a density of at least 0.94 g/cm.sup.3.

Abstract: Multilayered sheet material, a method for producing said material and a package comprising said material are provided. The multilayered material and package produced therefrom have apertures sealed with an extrudable hot melt material which conveys moisture barrier properties and is adapted to soften and permit venting of vapor generated in the package prior to distortion of the package. The packages are adapted particularly for use as containers or as components thereof when used in heating or cooking of foods in microwave ovens.

Abstract: A laminate film or sheet of crosslinked polyethylene resin has as an outer layer a resin layer comprising a copolymer of ethylene and an ethylenically unsaturated silane compound which has been crosslinked by the contact thereof with moisture and has a gel content of 5 percent or more, and possesses excellent processing stability during its lamination, almost no odor, and, simultaneously, heat resistance and heat sealability.

Abstract: An osmotic system for delivering a beneficial agent is disclosed. The system comprises a wall surrounding a compartment and has a passageway through the wall for delivering agent from the compartment. The wall is formed of a material permeable to the passage of an external fluid and impermeable to the passage of agent. The compartment contains (1) an agent that is soluble in the fluid and exhibits an osmotic pressure gradient across the wall against the fluid, or (2) the compartment contains an agent having limited solubility in the fluid and exhibits a limited osmotic pressure gradient across the wall against the fluid. The compartment also contains along with (1) or (2) a volume amplifier for increasing the amount of agent delivered from the system. The amplifier comprises a membrane surrounding a gas generating couple with the membrane formed of an expandable material permeable to fluid and impermeable to the couple.

Abstract: This invention relates to a carrier material for photographic purposes which is formed of paper coated with a synthetic resin. The paper contains a water soluble inorganic salt that enhances its drying by microwaves. In a preferred embodiment, the paper contains starch.

Abstract: Laminar structures comprising a color diffusion transfer photographic print bonded to a vinyl sheet using an adhesive mixture of a vinyl acetate-ethylene copolymer and a hydroxylated polymer, and a method for preparation thereof using an adhesive-supporting carrier sheet.

Abstract: A packaging material for photosensitive materials comprising a laminate of two or more high-density polyethylene films incorporating carbon black, the films being uniaxially stretched at a draw ratio in the range of from about 2.2 to 4.2 and the stretching axis of one film forming an angle of from about 45 to 90 degrees with those of the film(s) nearest it.

Abstract: A sheet of a crosslinkable polymer of ethylene having a melt index of at least 1.5 is supported by a sheet of a polymer having a melt index of 0.9 or less. The support sheet provides support for the sheet of the crosslinkable polymer of ethylene during a thermoforming operation.

Abstract: Recording paper for use in, for example, an electrostatic recording system, comprising an electrically conductive base layer, a photoconductive or dielectric recording layer disposed on one surface of the base layer, and a heat-sensitive bonding layer disposed on the other surface of the base layer. The bonding layer is non-tacky at normal temperature, and it develops tackiness when heated after a recording has been made on the recording paper.

Abstract: In a bowling lane having a decorative laminate surface, an internal lubricant in the resin for the laminate surface obviates the need for oil treatment or conditioning of the surface.

Abstract: A multilayered hollow plastic container having improved resistance to permeation by unwanted gases, especially injection blow molded containers having a preformed inner lining which is applied to a core prior to the formation of the composite parison. One layer is a barrier plastic having substantial but incomplete resistance to gas permeation, and another layer contains a getter material capable of binding unwanted gas uniformly dispersed throughout.

Abstract: A method of making multilayered hollow plastic containers having improved resistance to permeation by unwanted gases, especially injection blow molded containers having a preformed inner lining which is applied to a core prior to the formation of the composite parison. One layer is a barrier plastic having substantial but incomplete resistance to gas permeation, and another layer contains a getter material capable of binding unwanted gas uniformly dispersed throughout. The resultant improved container is characterized by having improved resistance to gas permeation.

Abstract: A smash-recoverable printing blanket having a substantially uniform thickness and method of making same are provided wherein the blanket comprises a plurality of layers including at least one layer adapted to swell upon being contacted by a liquid and a plurality of microcapsules disposed within the blanket with the microcapsules containing the liquid; and, the microcapsules are adapted to be ruptured upon smashing the blanket to thereby release the liquid contained therewithin against the one layer causing swelling thereof and restoring of the adjacent layers substantially to their original position prior to the smashing to define the uniform thickness.

Abstract: A materials composite having improved resistance to permeation by unwanted substances, especially gas permeation. The composite includes a first layer of a barrier having partial resistance to permeation and a second layer adhered to the first layer. The composite includes a uniformly dispersed getter material capable of absorbing unwanted substance permeating through the barrier.

Abstract: A composition useful in lamination, the process of applying this composition, and the resulting laminated structure. This composition comprises (1) a microcrystalline-type wax, for example melting from about 140.degree.-200.degree. F (2) a resin, for example petroleum polymer resins, terpene polymer resins, rosin and rosin esters, having a molecular weight of about 800 to 2,000 and (3) atactic polypropylene. The composition comprises about 20-40% of atactic polypropylene; about 10-25% of polymer resin; the balance (30-70%) being microcrystalline wax. This composition is applied and the plys joined together at a temperature above about 225.degree. F to yield a laminated structure having optimum properties, particularly excellent hot peeling strength.

Abstract: Leader strip for motion picture films is described which is composed of a substrate of cellulose acetate or polyester, a gum-removing layer comprising an organic binder selected from the group consisting of cellulose esters, polyurethanes, polyacrylonitrile, copolymers of acrylonitrile and vinylidene chloride, and epoxy resins, a gum-shearing agent of finely divided polymeric particles, said agent being bonded by the organic binder to the substrate, said gum-shearing agent being a member selected from the group consisting of polyesters, polyamides, polyimides and polyolefins, said polymeric particles having a size less than about five mils.

Abstract: Improved high temperature and high humidity resistant release agents for pressure sensitive tapes are provided. Reaction products of (1) a polyanhydride resin and (2) water or an amine or an alcohol are applied as a thin coating to the tape to permit easy unwinding of the tape, even though it may have been stored at elevated temperature or humidity.

Abstract: This invention relates to a tubular mold having excellent resistance to stretch. The mold is a "duplex type" flexible tubular mold comprising an outer film laminate comprising:A first film ply of cellophane having a saran film bonded to its outer and inner surfaces;A second film ply of biaxially oriented polypropylene having saran coatings bonded to its outer and inner surfaces, the film ply being bonded to the coated cellophane by an adhesive; andAn inner film laminate comprising a film ply of biaxially oriented polypropylene having a saran coating on both sides.

Abstract: A temperature-responsive record material for use in a thermographic recording and reproducing apparatus comprising a supporting sheet carrying a single layer containing, as the temperature-sensitive composition, a mixture resulting by a dispersion of a basic chromogenic compound and of an acidic compound in a binder having as assential binding agent a latex or a mixture of a latex with a non-ionic cellulose ether.