Abstract:
PROBLEM TO BE SOLVED: To provide a multilayer optical film.SOLUTION: A multilayer optical film includes alternate layers of first and second optical layers. The first optical layer includes first polyester, the first polyester includes a first dicarboxylate monomer and a first diol monomer, approximately less than 0.25 to 10 mol% of the first dicarboxylate monomer has a pendant ion group, the second optical layer includes second polyester, and the first and second optical layers have refractive indices along at least one axis which are different from each other by at least 0.04. The multilayer optical film may be a polarizing film, a reflection polarizing film, a diffusion mixed reflection polarizing film, a diffusion film, a brightness enhancement film, a rotating film, a mirror film or combinations thereof. The multilayer optical film may be a transaction card for financial transaction, an identification card, a card key or a transaction card such as a ticket card. A method for manufacturing a multilayer film is also disclosed.
Abstract:
A composition that includes a blend of a fluoropolymer and an ultraviolet light-absorbing oligomer. The oligomer has a first divalent unit having a pendent ultraviolet absorbing group and a second divalent unit represented by formula (I): At least one of the following limitations is also met: the ultraviolet light-absorbing oligomer further comprises a third divalent unit comprising a pendent 2,2,6,6-tetramethylpiperidinyl group, or the composition further comprises a second oligomer comprising a third divalent unit comprising a pendent 2,2,6,6-tetramethylpiperidinyl group at least one of the second divalent units. Articles including the composition are disclosed. The composition can be an extruded film. A method of making such an extruded film is also disclosed.
Abstract:
A composition that includes a blend of a pressure sensitive adhesive and an ultraviolet light-absorbing oligomer. The oligomer has a first divalent unit having a pendent ultraviolet absorbing group and a second divalent unit represented by formula in which R1 is hydrogen or methyl, and R2 is alkyl having from 4 to 20 carbon atom. Articles including the composition are disclosed. For example, an assembly including a barrier film and the composition is also disclosed.
Abstract:
A COMPOSITE POLYMER FIBER COMPRISES A POLYMER FILLER MATERIAL AND A PLURALITY OF POLYMER SCATTERING FIBERS DISPOSED WITHIN THE FILLER MATERIAL. AT LEAST ONE OF THE FILLER MATERIAL AND THE SCATTERING FIBERS IS FORMED OF A BIREFRINGENT MATERIAL. THE REFRACTIVE INDICES OF THE FILLER MATERIAL AND THE SCATTERING FIBERS CAN BE SUBSTANTIALLY MATCHED FOR LIGHT INCIDENT IN A FIRST POLARIZATION STATE ON THE COMPOSITE POLYMER FIBER AND UNMATCHED FOR LIGHT INCIDENT IN AN ORTHOGONAL POLARIZATION STATE. THE SCATTERING FIBERS MAY BE ARRANGED TO FORM A PHOTONIC CRYSTAL WITHIN THE COMPOSITE FIBER. THE COMPOSITE FIBERS MAY BE EXTRUDED AND MAY BE FORMED INTO A YARN, A WEAVE OR THE LIKE. IF THE FILLER MATERIAL IS SOLUBLE, IT MAY BE WASHED OUT OF THE YARN OR WEAVE, AND THE SCATTERING FIBERS MAY THEN BE INFILTRATED WITH A RESIN THAT IS SUBSEQUENTLY CURED.
Abstract:
A polarizer is formed with an arrangement of polymer fibers substantially parallel within a polymer matrix. The polymer fibers are formed of at least first and second polymer materials. At least one of the polymer matrix and the first and second polymer materials is birefringent, and provides a birefringent interface with the adjacent material. Light is reflected and/or scattered at the birefringent interfaces with sensitivity to the polarization of the light. In some embodiments, the polymer fibers are formed as composite fibers, having a plurality of scattering polymer fibers disposed within a filler to form the composite fiber. In other embodiments, the polymer fiber is a multilayered polymer fiber. The polymer fibers may be arranged within the polymer matrix as part of a fiber weave.
Abstract:
Methods and devices for thermal processing of multiple samples at the same time are disclosed. The assemblies include carriers and sample processing devices with process arrays that include conduits useful in distributing sample materials to a group of process chambers located in fluid communication with the main conduits. The sample processing devices may include one or more of the following features in various combinations: deformable seals, process chambers connected to the main conduit by feeder conduits exciting the main conduit at offset locations, U-shaped loading chambers, and a combination of melt bonded and adhesively bonded areas. The carriers may be used to apply selective compression to the sample processing devices.
Abstract:
Un polarizador se forma con un arreglo de fibras polimericas sustancialmente paralelos en una matriz polimerica. Las fibras polimericas se forman de al menos un primer y un segundo material polimerico. Al menos uno de los siguientes: la matriz polimerica y el primer y segundo material polimerico es birrefringente, y proporciona una interfase birrefringente con el material adyacente. Se refleja y/o dispersa luz en las interfases birrefringentes con sensibilidad a la polarizacion de la luz. En algunas modalidades, las fibras polimericas se forman como fibras compuestas, que tienen una pluralidad de fibras polimericas dispersantes dispuestas en un relleno para formar la fibra compuesta. En otras modalidades, la fibra polimerica es una fibra polimerica de capas multiples. Las fibras polimericas pueden disponerse dentro de la matriz polimerica como parte de un tejido de fibra.
Abstract:
Methods and devices for thermal processing of multiple samples at the same time are disclosed. The assemblies include carriers and sample processing devices with process arrays that include conduits useful in distributing sample materials to a group of process chambers located in fluid communication with the main conduits. The sample processing devices may include one or more of the following features in various combinations: deformable seals, process chambers connected to the main conduit by feeder conduits exciting the main conduit at offset locations, U-shaped loading chambers, and a combination of melt bonded and adhesively bonded areas. The carriers may be used to apply selective compression to the sample processing devices.
Abstract:
The present disclosure generally relates to multilayer optical films having an asymmetric construction and durable solar mirror films comprising such multilayer optical films, as well as constructions including durable solar mirror films.