The present invention relates to a resin film comprising two or more resin layers, in which the two or more resin layers comprise a light diffusion layer comprising a light diffusion particle and a thermoplastic resin, and the light diffusion layer is placed at a non-central position in a thickness direction of the resin film. According to the present invention, there can be provided a resin film which allows an image to be excellent in degree of clarity when used in a screen for image display.

There is provided an interlayer film for laminated glass with which the sound insulating properties in a high frequency area of 2000 Hz or more can be effectively enhanced. The interlayer film for laminated glass according to the present invention has a two or more-layer structure and is provided with a first layer containing a thermoplastic resin and a second layer containing a thermoplastic resin, the second layer is arranged on a first surface side of the first layer, and the interlayer film is provided with Constitution A: the glass transition temperature of the second layer being 32 C. or more, the glass transition temperature of the first layer being lower than the glass transition temperature of the second layer, and the thickness of the interlayer film being more than 787 m and 950 m or less or Constitution B: the glass transition temperature of the second layer being 25 C. or more, the glass transition temperature of the first layer being lower than the glass transition temperature of the second layer, and the thickness of the interlayer film being more than 950 m.

There is provided an interlayer film for laminated glass with which the sound insulating properties in a high frequency area of 2000 Hz or more can be effectively enhanced. The interlayer film for laminated glass according to the present invention has a three or more-layer structure and is provided with a first layer containing a thermoplastic resin, a second layer containing a thermoplastic resin, and a third layer containing a thermoplastic resin, the second layer is arranged on a first surface side of the first layer, the third layer is arranged on a second surface side opposite to the first surface of the first layer, the glass transition temperature of the first layer is lower than the glass transition temperature of the second layer, the glass transition temperature of the first layer is lower than the glass transition temperature of the third layer, the ratio of the thickness of the first layer to the total thickness of the second layer and the third layer is 0.25 or more, and the thickness of the interlayer film is more than 600 m.

The present disclosure relates to insulation. Teachings thereof may be embodied in a solid insulation material, especially in tape form, the use thereof in a vacuum impregnation process and to an insulation system produced therewith, and also an electrical machine comprising the insulation system, especially for the medium- and high-voltage sector, namely for medium- and high-voltage machines, especially rotating electrical machines in the medium- and high-voltage sector, and to semifinished products for electrical switchgear. For example a solid insulation material with an anhydride-free impregnating agent may include: a carrier; a barrier material; a curing catalyst; and a tape adhesive. The curing catalyst and the tape adhesive are inert toward one another but react under the conditions of a vacuum impregnation process if combined with an anhydride-free impregnating agent having gelation times of 1 h to 15 h at impregnation temperature. The tape adhesive is free of oxirane groups and includes at least two free hydroxyl groups.

There is provided an interlayer film for laminated glass with which the flexural rigidity of laminated glass can be enhanced and the sound insulating properties of laminated glass can be enhanced. The interlayer film for laminated glass according to the present invention includes first, second, and third layers containing a polyvinyl acetal resin and a plasticizer, the content of the hydroxyl group of the polyvinyl acetal resin in the first layer is lower than the content of the hydroxyl group of the polyvinyl acetal resin in each of the second and third layers, when absolute values of a difference between the content of the hydroxyl group of the polyvinyl acetal resin in the second and third layers and the content of the hydroxyl group of the polyvinyl acetal resin in the first layer are defined as XA and XB, respectively, each of the absolute values XA and XB is 9% by mole or more and 11% by mole or less, and when a content of the plasticizer in the interlayer film relative to 100 parts by weight of the polyvinyl acetal resin in the interlayer film is defined as Y, XA, XB, and Y satisfy the equations of Y1.68XA+56 and Y1.68XB+56.

A thermoformable sheet includes an exterior film, a printed pigment layer, an adhesive layer, an inner layer, and an interior sealing layer. The exterior film includes between 50% and 100% polyolefin-based polymers, by weight. The inner layer includes between 60% and 100% of polypropylene polymer, by weight. The inner layer further includes a thickness between 100 microns and 350 microns. The printed pigment layer and the adhesive layer are located between the exterior film and the inner layer.

Resin layers and interlayers exhibiting enhanced adhesion to inorganic surfaces, such as glass, are provided. In some cases, the layers and interlayers may comprise at least one adhesion stabilizing agent for improving adhesion to various surfaces, even in the presence of moisture. Such layers and interlayers may be useful, for example, in multiple layer panels, such as, for example, safety glass used in automotive and architectural applications.

The present invention relates to drying processes for composite films comprising a polyvinyl acetal on a carrier as well as to composite films and polyvinyl acetal films obtained in such processes.

A method for producing a touch input sensor includes stacking an intermediate resin layer (33) containing a photosensitive resin and an ultraviolet absorber and a transparent conductive film (32) on both surfaces of a transparent substrate (10) in that order, performing a pattern exposure with ultraviolet rays (L) applied to both surface sides, and performing developing to form a transparent electrode formed of the transparent conductive film (32) on both surfaces of the transparent substrate (10).

Resin compositions, layers, and interlayers comprising a poly(vinyl acetal) resin that includes residues of an aldehyde other than n-butyraldehyde are provided. Such compositions, layers, and interlayers can exhibit enhanced or optimized properties as compared to those formulated with comparable poly(vinyl n-butyral) resins.