Abstract: A continuous method of manufacturing adhesives is provided. The method includes obtaining an actinic radiation-polymerizable adhesive precursor composition disposed on a major surface of an actinic radiation-transparent substrate and irradiating a first portion of the actinic radiation-polymerizable adhesive precursor composition through the actinic radiation-transparent substrate for a first irradiation dosage. The method further includes moving the actinic radiation-transparent substrate and irradiating a second portion of the actinic radiation-polymerizable adhesive precursor composition through the actinic radiation-transparent substrate for a second irradiation dosage. Optionally, the method also includes irradiating a third portion of the actinic radiation-polymerizable adhesive precursor composition through the actinic radiation-transparent substrate prior to moving the substrate.

Abstract: The invention relates to a process for the curing of latently reactive, heat-curable compositions which do not harden at room temperature. The composition includes a polymer obtainable via reaction of certain compounds having two aldehyde groups with polyacrylate compounds having two or more acrylate groups, and also a compound which bears at least two thiol groups.

Abstract: Provided are: a transparent electroconductive film with good transparency, wherein the transparent electroconductive film has antiblocking properties that can withstand roll-to-roll manufacturing, and white haze on the transparent electroconductive film side is reduced. Also provided is a touch sensor in which the transparent electroconductive film is used. This transparent electroconductive film includes a transparent substrate 1 and a transparent electroconductive film 13 formed on one side of the transparent substrate, wherein the arithmetic mean surface roughness Ra in a 452×595 ?m field of view on the surface of the transparent electroconductive film 13 is greater than 0 nm and no more than 10 nm, and the arithmetic mean surface roughness Ra in a 452×595 ?m field of view on the surface of the transparent substrate 1 on which the transparent electroconductive film 13 is not formed is greater than 5 nm and less than 100 nm.

Abstract: A method of fabricating a reflective photomask is provided. The method includes sequentially forming a multi-layered reflective layer, an absorption layer and an anti-reflective coating (ARC) layer on a substrate. ARC patterns are formed to expose a portion of the absorption layer by directly irradiating an ion beam onto a portion of the ARC layer to etch the portion of the ARC layer. The exposed portion of the absorption layer is etched using the ARC patterns as etch masks to form absorption patterns exposing a portion of the multi-layered reflective layer.

Abstract: The present invention relates to hydrogen surface-treated graphene, a formation method thereof, and an electronic device including the same. The graphene according to one exemplary embodiment of the present invention can be useful in preparing hydrogen surface-treated graphene having a band gap using simple methods through indirect hydrogen plasma treatment. Also, the graphene according to one exemplary embodiment of the present invention can be useful in forming two regions having different band gaps through the indirect hydrogen plasma treatment, and thus can be useful in reducing the processing time and the processing cost since the graphene is directly applicable to electronic devices such as transistors, and touch panels.

Abstract: Certain example embodiments of this invention relate to the use of graphene as a transparent conductive coating (TCC). A substrate having a surface to be coated is provided. A self-assembled monolayer (SAM) template is disposed on the surface to be coated. A precursor comprising a precursor molecule is provided, with the precursor molecule being a polycyclic aromatic hydrocarbon (PAH) and discotic molecule. The precursor is dissolved to form a solution. The solution is applied to the substrate having the SAM template disposed thereon. The precursor molecule is photochemically attached to the SAM template. The substrate is heated to at least 450 degrees C. to form a graphene-inclusive film. Advantageously, the graphene-inclusive film may be provided directly on the substrate, e.g., without the need for a liftoff process.

Abstract: A method for producing a polarizing film comprising the step of dipping a polyvinyl alcohol film in/on which iodine is adsorbed and oriented in an aqueous solution containing boric acid wherein contact between the aqueous solution and oxygen is suppressed. The produced polarizing film has a high contrast.

Abstract: A method for making a carbon nanotube composite structure is provided. First, a matrix having a surface and a carbon nanotube structure are provided. The carbon nanotube structure is placed on the surface of the matrix. The carbon nanotube structure includes a plurality of carbon nanotubes. The carbon nanotube structure and the matrix are exposed to electromagnetic waves.

Abstract: Cyclodextrin compositions including one or more radiation polymerizable monomers and a cyclodextrin inclusion complex, the cyclodextrin inclusion complex including a cyclodextrin compound and an olefinic inhibitor of an ethylene generation in produce, are coated onto packaging materials and cured. Treated containers and treated package inserts having the cured cyclodextrin compositions are useful in packaging of respiring plant materials.

Abstract: A method of forming transflective LCD panel includes forming a compensation material having reactive liquid crystal monomers, thermal initiators and a solvent on a first substrate. Then, a first heating process is performed on the compensation material to remove parts of the solvent and then a photo-polymerizing process is performed, and parts of the compensation material disposed in a reflective region are turned into birefringent zones. Moreover, a second heating process is performed, in which the first substrate is kept in a predetermined temperature for a predetermined time, and thereafter nitrogen gas flows in to the chamber to form a non-oxygen condition. Accordingly, parts of the compensation material disposed in a transmission region are turned into isotropic zones. The predetermined temperature of the second heating process is higher than the clearing point of the reactive liquid crystal monomers.

Abstract: Process for obtaining a hard coated article having anti-fouling properties, including, for example, an optical article such as an ophthalmic lens, comprising a substrate coated with a hard coating providing abrasion resistance and hardness and adhesion to the anti-fouling coating, and the article obtained from such process.

Abstract: A process comprising applying coating materials to substrates, and curing the coating materials thermally and with actinic radiation, alone or together with optional coating films already present on the substrate. The actinic radiation cure is conducted under an oxygen-depleted atmosphere. The coating materials comprise (meth)acrylate copolymers having an OH number from 100 to 220 mg KOH/g, Tg of ?35 to +60° C., number-average MW of from 1,000 to 10,000 daltons and a mass-average MW of from 2,000 to 40,000 daltons and contain in copolymerized form an amount of hydroxyl-containing monomers (a) that corresponds to the OH number, of which (a1) from 20 to 90% by weight are based on (a), 4-hydroxybutyl(meth)acrylate and/or 2-alkylpropane-1,3-diol mono(meth)acrylate, and (a2) from 10 to 80% by weight are based on (a), other hydroxyl-containing olefinically unsaturated monomers. The process further comprises from 0.2 to 8% by weight of photoinitiators.

Abstract: The present invention provides a plastic article containing a first polymer and an interpenetrating network or blend of a second polymer infused in a surface layer of the first polymer, wherein the second polymer is the product of photopolymerizing, in a de-oxygenated environment, a reactive monomer in the presence of one or more radical photoinitiators. The present invention also provides a process for the infusion of a surface layer polymer interpenetrating network (“IPN”) or interpenetrating blend (“IPB”) into plastic articles. By inclusion of a second polymer within the pre-existing first polymer, surface modification of the physical and chemical properties of the host polymer may be enhanced.

Abstract: Methods of controlling gloss of an image are disclosed. The methods may include forming an image over a substrate by applying an ink composition and optionally an overcoat composition at least partially over the substrate. The ink composition or overcoat composition may include at least one gellant, at least one curable monomer, optionally at least one curable wax and optionally at least one photoinitiator. The ink composition or overcoat composition may be curable upon exposure to radiation. The methods may further include providing a micro-roughness to one or more portions of the ink composition or overcoat composition by non-uniformly curing the ink composition or overcoat composition, and flood curing the ink composition or overcoat composition to complete a cure. The methods may thereby provide a controlled gloss level to the image.

Abstract: A method of controlling gloss of an image includes forming an image over a substrate by applying a colored or colorless composition, included a colored ink and/or a colorless overcoat composition, over one or more portions of the substrate, wherein the colored or colorless composition includes at least one gellant, at least one curable monomer, at least one curable wax and optionally at least one photoinitiator, wherein the colored or colorless composition is curable upon exposure to radiation, and curing the colored or colorless composition following application by applying radiation to the colored or colorless composition and, during the curing, controlling an amount of oxygen present in an atmosphere around the image.

Abstract: A method for coating a work piece with resin including applying a controlled volume of liquid resin to the work piece with an applicator and allowing consecutive streams of resin to meld together to form a self leveling surface. The resin can be actively or passively cured. The work piece can be planar or cylindrical.

Abstract: Certain example embodiments of this invention relate to the use of graphene as a transparent conductive coating (TCC). A substrate having a surface to be coated is provided. A self-assembled monolayer (SAM) template is disposed on the surface to be coated. A precursor comprising a precursor molecule is provided, with the precursor molecule being a polycyclic aromatic hydrocarbon (PAH) and discotic molecule. The precursor is dissolved to form a solution. The solution is applied to the substrate having the SAM template disposed thereon. The precursor molecule is photochemically attached to the SAM template. The substrate is heated to at least 450 degrees C. to form a graphene-inclusive film. Advantageously, the graphene-inclusive film may be provided directly on the substrate, e.g., without the need for a liftoff process.

Abstract: The invention relates to a method for the radiation curing of surfaces of workpieces, wherein the workpieces are held in a multiplicity of hermetically sealable and at least partly radiation-transparent holding fixtures and are fed consecutively in a cycle to an irradiation device (26), wherein the holding fixtures with the workpieces contained therein are purged with inert gas, and before irradiation or in an irradiation station inert gas is fed into a holding fixture and the holding fixture is purged with the inert gas and the gas displaced by purging is fed to a holding fixture at a previous stage of the operating cycle, for purging of the same, and an apparatus for implementation of the method.

Abstract: The invention relates to new processes for the preparation of antireflective coatings and coated substrates, as well as articles produced by these processes. These coatings can include one or more layers made of materials which form nano-structured and/or nano-porous surfaces. The process can include applying a cross-linkable hard coat to a substrate, partially curing or cross-linking the hard coat, and then applying a second coat carried by a solvent or mixture of solvents capable of swelling the partially cured hard coat. The second coat is then cross-linked and grafted to the hard coat to produce a durable coated substrate with antireflective properties.

Abstract: A method for forming an insulation film on a semiconductor substrate by plasma reaction includes: vaporizing a silicon-containing hydrocarbon having a Si—O bond compound to provide a source gas; introducing the source gas and a carrier gas without an oxidizing gas into a reaction space for plasma CVD processing; and forming an insulation film constituted by Si, C, O, and H on a substrate by plasma reaction using a combination of low-frequency RF power and high-frequency RF power in the reaction space. The plasma reaction is activated while controlling the flow of the reaction gas to lengthen a residence time, Rt, of the reaction gas in the reaction space.

Abstract: The present invention provides a method of planarizing a substrate with a template spaced-apart from the substrate having a liquid disposed therebetween, the method including: contacting the liquid with the template forming a first shape therein; and impinging radiation upon the liquid causing a reduction in volume of the liquid, with the first shape compensating for the reduction in volume such that upon impinging the actinic radiation upon the liquid, the liquid forms a contoured layer having a substantially planar shape.

Abstract: A process is described for producing molding compounds and coatings on substrates by curing radiation-curable compositions under inert gas by exposure to light wherein said inert gas comprises a gas heavier than air, and lateral escape of the inert gas in the course of radiation curing is prevented by means of appropriate apparatus or other measures.

Abstract: The present invention provides a highly reliable technology for manufacturing a substrate with protrusions. After filling an UV-curable transfer material into the grooves of an intaglio plate for transfer, the UV-curable transfer material is cured by irradiating UV rays under the conditions where it is exposed to an atmosphere that contains at least one of oxygen and ozone while a curing-inhibited portion is formed in an area of the UV-curable transfer material exposed to this atmosphere, and the UV-curable transfer material is transferred to the substrate to form the protrusions, while the curing-inhibited portion is made to adhere to the substrate.

Abstract: An active-radiation-curing liquid crystalline composition is applied to an alignment layer 2 formed on a base 1, and the liquid crystal alignment is regulated by the application of heat or the like, thereby forming a liquid crystal layer 3 having cholesteric regularity (FIG. 1(a)). Next, active radiation 4 with a predetermined radiant intensity is applied to the liquid crystal layer 3 through a photomask 10 (FIG. 1(b)), and this liquid crystal layer 3 is then brought into contact with a solvent 5 (FIG. 1(c)). As a result, the area 3b in the liquid crystal layer 3 not irradiated with the active radiation 4 is removed, while the area 3a in the liquid crystal layer 3 irradiated with the active radiation 4 remains; a semi-cured cholesteric layer 3? having therein a predetermined pattern is thus formed (FIG. 1(d)).

Abstract: A method for depositing a low dielectric constant film is provided. The low dielectric constant film includes alternating sublayers, which include at least one carbon-doped silicon oxide sublayer. The sublayers are deposited by a plasma process than includes pulses of RF power. The alternating sublayers are deposited from two or more compounds that include at least one organosilicon compound. The two or more compounds and processing conditions are selected such that adjacent sublayers have different and improved mechanical properties.

Abstract: A process for the preparation of water repellent acrylic fiber materials which includes (a) a first step in which the material is subjected to plasma treatment in the presence of a reactive gas or a mixture thereof with a noble gas; and (b) a second step in which the material obtained in step (a) is subjected to waterproofing by means of (i) traditional resin finish or (ii) with plasma generated in the presence of fluorinated compounds. The materials made of acrylic fiber obtained by the process have a waterproofing degree higher than 25 cm of water column and have a rigid appearance or good draping and softness depending on whether they have been water-proofed with treatment (i) or (ii). These materials may used in the preparation of covers or sun shields.

Abstract: A flexible and self-adhesive repositionable dry erasable markerboard is disclosed, together with a method for making such repositionable dry erasable markerboard. The repositionable dry erasable markerboard is made of a second layer, comprising a paper layer, with a first layer, comprising a dry erasable layer applied to the upper surface of the second layer, and a third layer, comprising a pressure sensitive adhesive layer, applied to the lower surface of the second layer. The dry erasable first layer may be either a coating cured under the presence of a nitrogen blanket or a film. The pressure sensitive adhesive of the third layer may be applied to the entire surface of the second layer or selectively zone-coated. The pressure sensitive adhesive of the third layer may be covered with a fourth layer, comprising a removable liner. The paper second layer may be coated and/or printed. The repositionable dry erasable markerboard is flexible and may be rolled into a tube.

Abstract: A method of coating a substrate comprises the steps of applying a coating composition to selected areas of the substrate. The coating composition comprises a mixture including at least a reactive part. The reactive part comprises between 30% and 100% multi-functional material, and is photoinitiator free. The coated substrate is exposed, in a curing zone, to ultra-violet light from at least one lamp which has a power output of at least 140 watts per linear centimeter. The ultra-violet light initiates curing of the coating. A substantially inert atmosphere is maintained in the curing zone where the substrate is exposed to the ultra-violet light.

Abstract: A process for producing scratch-resistant coatings, encompassing the following steps: applying at least one UV-curable coating composition to at least one surface of an article to be coated, said coating composition comprising at least one polymer and/or oligomer P1 containing on average at least one ethylenically unsaturated double bond per molecule, and curing the coating composition by exposure to UV radiation, which comprises conducting the curing of the coating composition under an oxygen-containing protective gas which has an oxygen partial pressure in the range from 0.2 to 18 kPa.

Abstract: A method of coating a substrate comprises immersing a surface portion of a substrate in a first phase comprising carbon dioxide and a coating component comprising a polymeric precursor; then withdrawing the substrate from the first phase into a distinct second phase so that the coating component is deposited on the surface portion; and then subjecting the substrate to conditions sufficient to polymerize the polymeric precursor and form a polymerized coating.

Abstract: A siloxan polymer insulation film has a dielectric constant of 3.3 or lower and has —SiR2O— repeating structural units. The siloxan polymer has dielectric constant, high thermal stability and high humidity-resistance on a semiconductor substrate. The siloxan polymer is formed by directly vaporizing a silicon-containing hydrocarbon compound expressed by the general formula Si&agr;O&bgr;CxHy (&agr;, &bgr;, x, and y are integers) and then introducing the vaporized compound to the reaction chamber of the plasma CVD apparatus. The residence time of the source gas is lengthened by reducing the total flow of the reaction gas, in such a way as to form a siloxan polymer film having a micropore porous structure with low dielectric constant.

Abstract: To fabricate masks for deep ultra-violet lithography and for extreme ultra-violet lithography, a layer of material opaque to deep ultra-violet radiation and an extreme ultra-violet radiation absorbent layer are each deposited successively with a layer of silicon and a layer of metal on a respective transparent substrate. A focused electron beam is displaced on the superposed layers of metal and silicon to form a structure of etch-resistant metal/silicon compound. The deep ultra-violet mask is then formed by etching the three layers to leave on the substrate, the metal/silicon compound structure with the extreme ultra-violet absorbent layer beneath it.

Abstract: A process of accelerating electrons with a voltage applied thereto in a vacuum, guiding the accelerated electrons into a normal-pressure atmosphere, and irradiating the electron beam (EB) onto an object. The electron beam irradiation process uses a vacuum tube-type electron beam irradiation apparatus, and with the acceleration voltage for generating an electron beam set at a value smaller than 100 kV, the electron beam is irradiated onto the object.

Abstract: A method for modifying the surface of a material adapted for contact with tissue of a human or non-human animal to impart biofunctional, bioactive or biomimetic properties to the surface comprising: (a) exposing the surface to a solution comprising (1) an ethylenically unsaturated monomer or mixture thereof capable, via the ethylenic unsaturation, of gamma irradiation or electron beam induced polymerization, and (2) at least one biofunctional agent; and (b) irradiating the surface with gamma or electron beam irradiation in the presence of the solution to thereby form on the surface a graft polymerized coating, the coating having physically entrapped therein or chemically bonded thereto molecules of the at least one biofunctional agent which imparts biofunctional or biomimetic properties to the surface; wherein the gamma or electron beam irradiation induced polymerization is conducted under one of the following conditions: A. (i) monomer concentration in the solution in the range of from about 0.

Abstract: The present invention is the formation of solid polymer layers under vacuum. More specifically, the present invention is the use of “standard” polymer layer-making equipment that is generally used in an atmospheric environment in a vacuum, and degassing the liquid material prior to injection into the vacuum. Additional layers of polymer or non-polymer may be vacuum deposited onto solid polymer layers. Formation of polymer layers under a vacuum improves material and surface characteristics, and subsequent quality of bonding to additional layers. Further advantages include use of less to no photoinitiator for curing, faster curing, fewer impurities in the polymer electrolyte, as well as improvement in material properties including no trapped gas resulting in greater density, and reduced material wetting angle that facilitates spreading of the material and provides a smoother finished surface.

Abstract: A process for coating a moving length of sheet metal is disclosed that includes the steps of 1) cleaning the moving length of sheet metal to remove surface contaminants that may interfere with the coating adhering to the sheet metal; 2) applying an electron beam curable coating to the moving length of sheet metal; and, 3) exposing the coating on the moving length of sheet metal to an electron beam to cure the coating, the cleaning, coating and curing resulting in no emission of pollutants that need to be removed before the emission is released into the atmosphere.

Abstract: A process of accelerating electrons with a voltage applied thereto in a vacuum, guiding the accelerated electrons into a normal-pressure atmosphere, and irradiating the electron beam (EB) onto an object. The electron beam irradiation process uses a vacuum tube-type electron beam irradiation apparatus, and with the acceleration voltage for generating an electron beam set at a value smaller than 100 kV, the electron beam is irradiated onto the object.

Abstract: Optical diffusing structures can be fabricated from photopolymerizable material by directing light through a transparent or translucent substrate and then through the photopolymerizable material for a period of time sufficient to photopolymerize only a portion of the material. The resultant structure can be utilized as a diffuser, a viewing screen, and in other applications, and can be combined with other light-directing structures such as arrays of tapered optical waveguides.

Abstract: A method for modifying an ocular implant polymer surface by the gamma-irradiation induced polymerization thereon of N-vinylpyrrolidone, 2-hydroxyethylmethacrylate or a mixture thereof while maintaining the following conditions:(a) monomer concentration in the range of from about 0.1% to about 50%, by weight;(b) total gamma dose in the range of from about 0.001 to less than about 0.50 Mrad; and(c) gamma dose rate in the range of from above about 2,500 to about 10.sup.8 rads/minute.

Abstract: A formulation for a resilient gasket coating which is curable by ultraviolet radiation without emitting fumes into the surrounding environment. Different portions of the coating are cured by successive exposure to two different wavelengths of ultraviolet radiation during a continuous in-line process. The first wavelength cures an inner portion of the coating and bonds the coating to the substrate. The second wavelength cures a coating surface. The formulation permits ultraviolet curing of thicker pigmented coatings than have been previously known.

Abstract: A gel-free silica acrylate curable coating composition made from one or more of soluble salts, soaps, amines, nonionic and anion surfactants, acids or mixtures thereof, and a method for producing these compositions.

Abstract: A process is disclosed for the formation of a high flux composite membrane having a thin discriminating film affixed to a porous support layer through a glue layer. The process comprises the formation of the discriminating film by irradiating an aqueous polymer solution in the substantial absence of drying and under conditions which are sufficient to form a polymer film on the surface of the polymer solution at the interphase of the solution and a blanketing fluid. The film is then affixed to the support through the glue layer which may be the same polymer solution from which the discriminating film is formed.

Abstract: An ultraviolet curable blend composition comprising (exclusive of any solvent present): (a) about 35% to about 65% by weight of a first acrylated aliphatic urethane having a molecular weight of between about 500 and 2000 and formed by the reaction of (i) a first multifunctional acrylate with a molecular weight of between about 190 and 500 and containing at least three polymerizable unsaturated groups per molecule, with (ii) an aliphatic urethane based on a polymer of allyl carbomonocycle diisocyanate with alkanepolyol polyacrylates; (b) about 5% to about 25% by weight of a second acrylated aliphatic urethane having a molecular weight of about 1200 to about 2600 and formed by the reaction of a second multifunctional acrylate with a molecular weight of about 110 to about 500 with an aliphatic urethane based on a polyether and having a molecular weight of about 800 to about 2200; (c) about 10% to about 55% by weight of a third multifunctional acrylate having a molecular weight of between about 170 and about 1000

Abstract: A thin-film forming method comprising an uncured-layer forming step in which a mixed composition containing an organic polymerizing agent curable composition and a silicone polymerizing curable composition is prepared to form an uncured layer consisting of this mixed composition on a resin substrate; a solvent removing step in which the solvent in the uncured layer is removed; a first polymerization curing step in which the organic polymerizing curable composition in the uncured layer is polymerized; and a second polymerization curing step in which the silicone polymerizing curable composition in the uncured layer is polymerized. The thin-film forming method can comprise formation of the uncured layer on a resin substrate through the intermediation of a primer layer or formation of an uncured underlayer and uncured top layer followed by separate underlayer polymerization and top layer polymerization curing steps.

Abstract: The invention refers to a process to render antiscratch and antiabrasion shaped articles based on thermoplastic acrylic polymers consisting in coating the article by a composition comprising(A) 55-95% by weight of at least a (meth)acrylic monomer and/or oligomer having at least two double bonds;(B) 5-25% by weight of monomers and/or oligomers of divinylethers and/or epoxides(C) 0-20% by weight of monomers and/or oligomers containing polar groups of monofunctional (meth)acrylaytes and/or monovinylethers, when (A) or (B) do not contain polar groups, and comprising a mixed system of photoinitiators of radical and cationic type, then in submitting the coated article to U.V. irradiation, at temperatures of 30.degree.-70.degree. C. to polymerize and crosslink the coating in situ.

Abstract: A protective layer or film is deposited onto a face surface of a plastic substrate, e.g., a PMMA shaped article, by (a) placing such plastic substrate on a weakly or unpolarized electrode comprising a plasma-generating circuit, (b) plasma-pretreating the plastic substrate in an oxygen plasma, under primary vacuum, by a pulse of electrical power density of such minimum magnitude as to oxygen-activate a face surface thereof, and (c) plasma-polymerizing at least one organosilicon monomer onto the face surface of said plastic substrate, also under vacuum and from an oxygen/organosilicon monomer plasma, whereby depositing a thin protective layer or film thereon.

Abstract: A process for polymerizing a free-radically polymerizable composition comprising the steps:(a) coating a coatable free-radically polymerizable mixture onto at least one major surface of a web;(b) deoxygenating a liquid inerting medium;(c) immersing the coated web into the deoxygenated liquid inerting medium; and(d) irradiating the immersed coated web with actinic radiation sufficient to effect polymerization of the free-radically polymerizable mixture, while maintaining the liquid inerting medium in an essentially oxygen-free state.

Abstract: The present invention discloses an improved method of producing a low-cost, nitrogen-based inert atmosphere suitable for radiation curing of resins, coatings, etc. from non-cryogenically generated nitrogen. According to the disclosed method, residual oxygen present in non-cryogenically generated nitrogen is converted to either moisture or a mixture of moisture and carbon dioxide by reaction with a reducing gas in a catalytic reactor prior to using the nitrogen-based atmosphere for radiation curing of moisture insensitive materials such as resins and coatings.

Abstract: A method for providing an abrasion-resistant, radiation-cured coating on a surface of a polymeric substrate is disclosed, as well as the article produced from the method. The uncured coating material is applied to the substrate, followed by the expulsion of air from the coating. The coating is then cured by directing the radiant energy through the substrate from the surface opposite the surface having the coating thereon to contact the radiation-curable coating.

Abstract: Plasma polymerization of a fully alkylated disiloxane is greatly enhanced by the addition of oxygen to the plasma feed gases. Deposition rate of polysiloxane polymerizate upon substrates is increased, and the deposits are nontacky. Composite permselective membranes made by deposition of plasma-polymerized polysiloxanes in the presence of oxygen are useful for applications such as gas separations. Composite hollow fiber membranes of polysiloxane polymerizate on porous polypropylene exhibit oxygen/nitrogen permselectivities greater than 2.3 combined with increased oxygen permeability.