Methods for producing an at least partially cured layer

Methods for producing an at least partially cured layer by applying a layer including a (meth)acrylate-functional siloxane to a surface of a substrate, and irradiating the layer in a substantially inert atmosphere with a short wavelength polychromatic ultraviolet light source having a peak intensity at a wavelength of from about 160 nanometers to about 240 nanometers to at least partially cure the layer. Optionally, the layer is at a curing temperature greater than 25° C. In some embodiments, the layer has a thickness of about 0.1 micrometers to about 1 micrometer. In certain embodiments, the layer is substantially free of a photoinitiator and/or an organic solvent. In some particular embodiments, irradiating the layer with a short wavelength polychromatic ultraviolet light source takes place in an inert atmosphere including no greater than 50 ppm oxygen. The substantially cured layer may be a release layer or a low adhesion backsize (LAB).

Two Shaft Transmission Having Chain Driven Reverse

A transmission for a vehicle has an output shaft, a main shaft and a countershaft. The main shaft is arranged to receive rotary power and the countershaft is arranged in parallel to the main shaft. A plurality of meshed gear pairs are formed main gears and counter gears on the two shafts. A plurality of clutch devices are arranged to select a gear pair that will transmit torque to the output shaft. A reverse drive is created by a main reverse gear on the main shaft, a counter reverse gear on the counter shaft and a chain wrapping the main reverse gear and the counter reverse gear. A reverse clutch device is arranged to selectively fix one of the main and counter reverse gears to its respective main or counter shaft for rotation. 1. A transmission for a vehicle , comprising:an output shaft;a main shaft arranged to receive rotary power and a countershaft arranged in parallel to said main shaft, said main shaft carrying a plurality of main gears, said countershaft carrying a plurality of counter gears, and a plurality of gear pairs formed by each of said main gears and one of said counter gears, said gear pairs in constant mesh, and a plurality of clutch devices arranged to select a gear pair from said plurality of gear pairs that will transmit torque to said output shaft; anda main reverse gear on the main shaft, a counter reverse gear on the counter shaft and a chain wrapping the main reverse gear and the counter reverse gear, the chain causing the main and counter reverse gears to rotate in a common direction, a reverse clutch device arranged to selectively fix one of the main and counter reverse gears to its respective main or counter shaft for rotation therewith.2. The transmission according to claim 1 , wherein at least one clutch device comprises a clutch plate fixed on said main shaft claim 1 , and at least one clutch friction disk arranged between said clutch plate and one gear of said select gear pair claim 1 , said friction disk engageable to said clutch ...

METHODS FOR PRODUCING AN AT LEAST PARTIALLY CURED LAYER

Methods for producing an at least partially cured layer by applying a layer including a (meth)acrylate-functional siloxane to a surface of a substrate, and irradiating the layer in a substantially inert atmosphere with a short wavelength polychromatic ultraviolet light source having a peak intensity at a wavelength of from about 160 nanometers to about 240 nanometers to at least partially cure the layer. Optionally, the layer is at a curing temperature greater than 25° C. In some embodiments, the layer has a thickness of about 0.1 micrometers to about 1 micrometer. In certain embodiments, the layer is substantially free of a photoinitiator and/or an organic solvent. In some particular embodiments, irradiating the layer with a short wavelength polychromatic ultraviolet light source takes place in an inert atmosphere including no greater than 50 ppm oxygen. The substantially cured layer may be a release layer or a low adhesion backsize (LAB). 1. A method for producing an at least partially cured layer , comprising:applying a layer comprising a (meth)acrylate-functional siloxane to a major surface of a substrate; andirradiating said layer, in a substantially inert atmosphere comprising no greater than 500 ppm oxygen, with a short wavelength polychromatic ultraviolet light source having at least one peak intensity at a wavelength of from about 160 nanometers to about 240 nanometers to at least partially cure the layer, optionally wherein the layer is at a curing temperature greater than 25° C.2. The method of claim 1 , wherein said at least one peak intensity is at a wavelength between about 170 nanometers to about 220 nanometers.3. The method of claim 2 , wherein said peak intensity is at a wavelength of about 185 nanometers.4. The method of claim 1 , wherein said short wavelength polychromatic ultraviolet light source comprises at least one low pressure mercury vapor lamp claim 1 , at least one low pressure mercury amalgam lamp claim 1 , at least one pulsed Xenon lamp ...

HYDROPHILIC GEL MATERIALS AND METHODS OF MAKING

The present disclosure describes articles, such as medical articles, containing a substrate having disposed thereon a hydrophilic gel material (e.g., a shaped hydrophilic gel material or a coating of a hydrophilic gel material) and methods for making such articles. Methods are provided for making hydrophilic gel materials from a precursor composition that contains a polar solvent and a polymerizable material that is miscible with the polar solvent. 1. A method of making an article comprising a substrate and a hydrophilic gel material adhered thereto , the method comprising: (a) at least 10 weight percent polar solvent based on a total weight of the precursor composition; and', '(b) polymerizable material capable of free-radical polymerization and having an average number of ethylenically unsaturated groups per molecule equal to at least 1.2, wherein the polymerizable material is miscible with the polar solvent;, 'providing a precursor composition comprisingproviding a mold having at least two separate wells;adding the precursor composition to the mold, the precursor composition being positioned in at least a portion of at least two separate wells;providing a substrate and positioning the substrate to at least partially contact the precursor composition; andexposing the precursor composition within the wells to radiation to at least partially polymerize the polymerizable material and to form a first swollen shaped hydrophilic gel material adhered to the substrate.2. The method of claim 1 , wherein the polar solvent comprises water; and the precursor composition comprises no greater than 90 weight percent polymerizable material based on the total weight of the precursor composition claim 1 , wherein the polymerizable material comprises a poly(alkylene oxide (meth)acrylate) having at least 2 (meth)acryloyl groups and having at least 5 alkylene oxide units.3. A method of making an article comprising a substrate and a hydrophilic gel material adhered thereto claim 1 , ...

Methods for producing an at least partially cured layer

Methods for producing an at least partially cured layer by applying a layer including a (meth)acrylate-functional siloxane to a surface of a substrate, and irradiating the layer in a substantially inert atmosphere with a short wavelength polychromatic ultraviolet light source having a peak intensity at a wavelength of from about 160 nanometers to about 240 nanometers to at least partially cure the layer. Optionally, the layer is at a curing temperature greater than 25° C. In some embodiments, the layer has a thickness of about 0.1 micrometers to about 1 micrometer. In certain embodiments, the layer is substantially free of a photoinitiator and/or an organic solvent. In some particular embodiments, irradiating the layer with a short wavelength polychromatic ultraviolet light source takes place in an inert atmosphere including no greater than 50 ppm oxygen. The substantially cured layer may be a release layer or a low adhesion backsize (LAB).

Polymeric fibers and methods of making

Polymeric fibers and methods of making the polymeric fibers are described. The polymeric fibers are crosslinked hydrogels or dried hydrogels that are prepared from a precursor composition that contains polymerizable material having an average number of ethylenically unsaturated groups per monomer molecule greater than 1.0. The polymeric fibers can contain an optional active agent.

Polymeric beads and methods of making polymeric beads

Polymeric beads and methods of making the polymeric beads are described. The polymeric beads are crosslinked hydrogels or dried hydrogels. The polymeric beads are formed from droplets of a precursor composition that are exposed to radiation. The droplets are totally surrounded by a gas phase. The precursor composition contains a polar solvent and a polymerizable material miscible in the polar solvent. The polymerizable material has an average number of ethylenically unsaturated groups per monomer molecule equal to at least 1.2.

Polymeric beads and methods of making polymeric beads

Polymeric beads and methods of making the polymeric beads are described. The polymeric beads are crosslinked hydrogels or dried hydrogels. The polymeric beads are formed from droplets of a precursor composition that are exposed to radiation. The droplets are totally surrounded by a gas phase. The precursor composition contains a polar solvent and a polymerizable material miscible in the polar solvent. The polymerizable material has an average number of ethylenically unsaturated groups per monomer molecule equal to at least 1.2.

Polymeric beads and methods of making polymeric beads

Polymeric beads and methods of making polymeric beads

Polymeric beads and methods of making the polymeric beads are described. The polymeric beads are crosslinked hydrogels or dried hydrogels. The polymeric beads are formed from droplets of a precursor composition that are exposed to radiation. The droplets are totally surrounded by a gas phase. The precursor composition contains a polar solvent and a polymerizable material miscible in the polar solvent. The polymerizable material has an average number of ethylenically unsaturated groups per monomer molecule equal to at least 1.2.

Method for preparing a cleaning solution, packaging of hydrogel cleaning concentrate and method for preparing a hydrogel microsphere

Hydrophilic gel materials and methods of making

The present disclosure describes articles, such as medical articles, containing a substrate having disposed thereon a hydrophilic gel material (e.g., a shaped hydrophilic gel material or a coating of a hydrophilic gel material) and methods for making such articles. Methods are provided for making hydrophilic gel materials from a precursor composition that contains a polar solvent and a polymerizable material that is miscible with the polar solvent.

Method of making a cleaning solution from hydrogel cleaning concentrate and packaged cleaning concentrate.

Se describen los métodos para la elaboración de una solución de limpieza (por ejemplo, diluida) a partir de un concentrado de limpieza de hidrogel, envases del concentrado de limpieza de hidrogel, y métodos de elaboración de un concentrado de limpieza de hidrogel.

Tuning arrangement for electron tubes

Methane drainage in subterranean boreholes

High power klystron tube apparatus

Process for drilling horizontal holes using liner inserted through drill string

Non-logic printed wiring board test system

Cathode electrical socket

Corona treatment of polymers

Corona treatment of polymers

A process for corona treating a polymer is described. The process involves exposing at least one surface of an article comprising a polymeric material selected from the group consisting of fluoropolymers, polycarbonates, and polyimides to a corona discharge in an atmosphere containing nitrogen and about 0.01 to about 10 percent of an additional gas selected from the group consisting of hydrogen, ammonia and mixtures thereof.

Non-logic printed wiring board test system

An inductively-tuned cavity resonator

An inductively-tuned cavity resonator

Kathodenanschluß für eine Hochleistungs-Hochfrequenzrohre mit zylindrischen koaxialen Kontaktstücken