Abstract: A composite film includes a) a self-supporting layer of a polymer film (such as a polyester), b) an optional primer layer on the polymer film layer, wherein the primer layer includes a PVdX (X being halo), acrylic or vinyl resin; and c) a layer of heat seal composition on the primer layer, wherein the heat seal composition includes a polyolefin plastomer (POP) resin and a tackifier that constitutes at least 20 wt % of the heat seal composition. The composite film may be formed by applying a coating composition including the heat seal composition in a solvent to a primer layer on the polymer film or directly on the polymer film in absence of the optional primer layer, and then evaporating the solvent. The composite film may be heat-sealed to a surface of a container or a self-supporting film.

Abstract: Photovoltaic cells which comprise a back plane comprising a polyester film and an adhesive coating derived from an ethylene vinyl acetate copolymer and an oxazoline crosslinking agent and methods for forming the same are described.

Abstract: A composite film includes a) a self-supporting layer of a polymer film (such as a polyester), b) an optional primer layer on the polymer film layer, wherein the primer layer includes a PVdX (X being halo), acrylic or vinyl resin; and c) a layer of heat seal composition on the primer layer, wherein the heat seal composition includes a polyolefin plastomer (POP) resin and a tackifier that constitutes at least 20 wt % of the heat seal composition. The composite film may be formed by applying a coating composition including the heat seal composition in a solvent to a primer layer on the polymer film or directly on the polymer film in absence of the optional primer layer, and then evaporating the solvent. The composite film may be heat-sealed to a surface of a container or a self-supporting film.

Abstract: A composite film includes a) a self-supporting layer of a polymer film (such as a polyester), b) an optional primer layer on the polymer film layer, wherein the primer layer includes a PVdX (X being halo), acrylic or vinyl resin; and c) a layer of heat seal composition on the primer layer, wherein the heat seal composition includes a polyolefin plastomer (POP) resin and a tackifier that constitutes at least 20 wt % of the heat seal composition. The composite film may be formed by applying a coating composition including the heat seal composition in a solvent to a primer layer on the polymer film or directly on the polymer film in absence of the optional primer layer, and then evaporating the solvent. The composite film may be heat-sealed to a surface of a container or a self-supporting film.

Abstract: An antistatic polyester film includes a self-supporting polyester substrate film bearing on at least one surface thereof an antistatic layer including a) one or more antistatic polymers comprising repeat units according to formula (I) wherein R1 and R2 are each independently H or CH3, R3 is an alkylene group having a carbon number in a range from 2 to 10, R4 and R5 are each independently a saturated hydrocarbon group having a carbon number in a range from 1 to 5, R6 is an alkylene group having a carbon number in a range from 2 to 5, n is an integer in a range from 0 to 40, m is an integer in a range from 1 to 40, and Y? is a halogen ion, nitrate ion, sulfate ion, alkylsulfate ion, sulfonate ion, alkylsulfonate ion or dihydrogen phosphate ion; b) one or more nonpolymeric cationic antistatic agents; and c) one or more crosslinkers.

Abstract: Photovoltaic cells which comprise a back plane comprising a polyester film and an adhesive coating derived from an ethylene vinyl acetate copolymer and an oxazoline crosslinking agent and methods for forming the same are described.

Abstract: An antistatic polyester film includes a self-supporting polyester substrate film bearing on at least one surface thereof an antistatic layer including a) one or more antistatic polymers comprising repeat units according to formula (I) wherein R1 and R2 are each independently H or CH3, R3 is an alkylene group having a carbon number in a range from 2 to 10, R4 and R5 are each independently a saturated hydrocarbon group having a carbon number in a range from 1 to 5, R6 is an alkylene group having a carbon number in a range from 2 to 5, n is an integer in a range from 0 to 40, m is an integer in a range from 1 to 40, and Y? is a halogen ion, nitrate ion, sulfate ion, alkylsulfate ion, sulfonate ion, alkylsulfonate ion or dihydrogen phosphate ion; b) one or more nonpolymeric cationic antistatic agents; and c) one or more crosslinkers.

Abstract: A composite film includes a nylon base film and a coextensive layer of adhesive composition that includes one or more polymers, wherein the one or more polymers taken together include in polymerized form: a) ethylene; b) one or more ester-containing monomers, constituting in a range from 5 to 50 wt % of the one or more polymers; and c) one or more carboxylic acid-containing monomers and optionally salt(s) thereof, constituting in a range from 0.5 to 20 wt % of the one or more polymers. A package may be prepared, including a lid made from the composite film heat sealed to a tray. A bag for packaging raw or processed meat may be made from the composite film. A food item may be contained in the package or bag.

Abstract: A method of manufacture of a coated polymeric film which comprises performing in sequence the steps of: (i) forming a substrate layer comprising poly(ethylene naphthalate) having a thickness in a range from 50 ?m to 250 ?m; (ii) stretching the substrate layer in at least one direction; (iii) heat-setting the substrate layer under dimensional restraint at a tension in the range of about 19 to about 75 kg/m of film width, at a temperature above the glass transition temperature of the poly(ethylene naphthalate) but below the melting temperature thereof; (iv) heat-stabilizing the substrate layer under a tension of less than 5 kg/m of film width, and at a temperature above the glass transition temperature of the poly(ethylene naphthalate) but below the melting temperature thereof; and (v) disposing a coating layer on a surface of the substrate layer by a process comprising applying a planarizing coating composition thereto such that a surface of said coating layer exhibits an Ra value of less than 0.

Abstract: A composite film comprising a heat-stabilised, heat-set, oriented poly(ethylene naphthalate) substrate, and a coating layer having a surface; wherein said substrate exhibits one or more of: (i) a shrinkage at 30 mins at 230° C. of less than 1%; and/or (ii) a residual dimensional change ?Lr measured at 25° C. before and after heating the substrate from 8° C. to 200° C. and then cooling to 8° C., of less than 0.75% of the original dimension; and/or (iii) a coefficient of linear thermal expansion (CLTE) within the temperature range from ?40° C. to +100° C. of less than 40×10?6/° C.; and wherein the surface of said coating layer exhibits an Ra value of less than 0.6 nm, and/or an Rq value of less than 0.8 nm, the thickness of the substrate is between 50 and 250 ?m and wherein the number of surface peaks in the range 300 to 600 nm per 5 cm2 area (N(300-600)) of the film is less than 50.

Abstract: This invention pertains to a donor element for use with a receiver element in an imagable assemblage for light-induced transfer of material from the donor element to the receiver element. Specifically, this invention relates to such a donor element comprising a copolymer based on styrene and maleic anhydride.

Abstract: A method of manufacture of an anti-microbial polymeric film comprising coextruding a polymeric substrate layer comprising a first layer of a first polymeric material and a second layer of a second polymeric material wherein the crystalline melting temperature (TM2) of said second polymeric material is lower than the crystalline melting temperature (TM1) of the first polymeric material; stretching the coextruded substrate in a first direction; optionally stretching the substrate layer in a second, orthogonal direction; disposing on the surface of the polymeric second layer a composition comprising a particulate antimicrobial compound and a liquid vehicle, and preferably also a surfactant; and heat-setting the stretched film at a temperature above the crystalline melting temperature (TM2) of the second polymeric material but below the crystalline melting temperature (TM1) of the first polymeric material; wherein the composition is applied to the polymeric second layer after the coextrusion step but before the h

Abstract: The use of a coating composition comprising: (a) from about 5 to about 50 weight percent solids, the solids comprising from about 10 to about 70 weight percent silica and from about 90 to about 30 weight percent of a partially polymerized organic silanol of the general formula RSi(OH)3, wherein R is selected from methyl and up to about 40% of a group selected from the group consisting of vinyl, phenyl, gamma-glycidoxypropyl, and gamma-methacryloxypropyl, and (b) from about 95 to about 50 weight percent solvent, the solvent comprising from about to about 90 weight percent water and from about 90 to about 10 weight percent lower aliphatic alcohol, wherein the coating composition has a pH of from about 3.0 to about 8.0, for the purpose of improving the surface smoothness of a polymeric substrate, particularly a heat-stabilised, heat-set, oriented polyester substrate, and use of said coated substrate in the manufacture of an electronic or opto-electronic device containing a conjugated conductive polymer.

Abstract: The use of a coating composition comprising: (a) from about 5 to about 50 weight percent solids, the solids comprising from about 10 to about 70 weight percent silica and from about 90 to about 30 weight percent of a partially polymerized organic silanol of the general formula RSi(OH)3, wherein R is selected from methyl and up to about 40% of a group selected from the group consisting of vinyl, phenyl, gamma-glycidoxypropyl, and gamma-methacryloxypropyl, and (b) from about 95 to about 50 weight percent solvent, the solvent comprising from about 10 to about 90 weight percent water and from about 90 to about 10 weight percent lower aliphatic alcohol, wherein the coating composition has a pH of from about 3.0 to about 8.0, for the purpose of improving the surface smoothness of a polymeric substrate, particularly a heat-stabilised, heat-set, oriented polyester substrate, and use of said coated substrate in the manufacture of an electronic or opto-electronic device containing a conjugated conductive polymer.

Abstract: The use of a coating composition comprising: (a) from about 5 to about 50 weight percent solids, the solids comprising from about 10 to about 70 weight percent silica and from about 90 to about 30 weight percent of a partially polymerized organic silanol of the general formula RSi(OH)3, wherein R is selected from methyl and up to about 40% of a group selected from the group consisting of vinyl, phenyl, gamma-glycidoxypropyl, and gamma-methacryloxypropyl, and (b) from about 95 to about 50 weight percent solvent, the solvent comprising from about 10 to about 90 weight percent water and from about 90 to about 10 weight percent lower aliphatic alcohol, wherein the coating composition has a pH of from about 3.0 to about 8.0, for the purpose of improving the surface smoothness of a polymeric substrate, particularly a heat-stabilised, heat-set, oriented polyester substrate, and use of said coated substrate in the manufacture of an electronic or optoelectronic device containing a conjugated conductive polymer.

Abstract: A coated film having a polymeric film substrate with a subbing layer containing an organic acid and a polymer which has a repeating unit(s) containing a pendant nitrogen atom(s). The ratio of organic acid to polymer in the subbing layer is in the range from 1:0.1 to 20 by weight. The coated film exhibits excellent adhesion to photographic emulsion layers, even when applied prior to completion of any film stretching operation.

Abstract: A coated film having a polymeric film substrate with a subbing layer containing an organic acid and a polymer which has a repeating unit(s) containing a pendant nitrogen atom(s). The ratio of organic acid to polymer in the subbing layer is in the range from 1:0.1 to 20 by weight. The coated film exhibits excellent adhesion to photographic emulsion layers, even when applied prior to completion of any film stretching operation.

Abstract: A coated film having a polymeric film substrate with a subbing layer containing an organic acid and a polymer which has a repeating unit(s) containing a pendant nitrogen atom(s). The ratio of organic acid to polymer in the subbing layer is in the range from 1:0.1 to 20 by weight. The coated film exhibits excellent adhesion to photographic emulsion layers, even when applied prior to completion of any film stretching operation.