The plastic intermediate film includes a sound insulating layer, wherein the sound insulating layer comprises a polyvinyl acetal resin, a plasticizer, and a refractive index regulator, wherein the refractive index regulator is particles with average diameter (D.sub.50) of 100 nm or less and has an absolute refractive index of 2.0 or more, wherein the refractive index regulator is comprised in an amount of more than 0 wt % and 1 wt % or less based on the entire sound insulating layer, and wherein the plasticizer is comprised in an amount of 33 to 41 wt % based on the entire sound insulating layer.

A greenhouse screen strips of film material that are interconnected by a yarn system of transverse threads and longitudinal threads by means of knitting, warp-knitting or weaving process to form a continuous product, wherein at least some of the strips comprise a film material in the form of a single- or multilayer polyester film is disclosed. The film material has a transparency of at least 93.5% and is provided with at least a first anti-reflective coating or layer on a first side of the film material.

Light-permeable multilayer composite film made of plastic as the surface coating of an article, wherein the composite film comprises at least one outer, at least partially light-permeable top layer optionally provided with a lacquer and at least one further layer arranged on the back of the top layer, wherein arranged on the back side of the top layer is an optical layer, preferably an optical layer made of polyethylene terephthalate (PET) which has light-transmitting, light-refracting and light-reflecting properties or a combination thereof, wherein the transmission, refraction and reflection properties are such that illumination of the optical layer, in particular back side illumination of the optical layer, results in preferably uniform light transmission through the top layer.

A laminated window assembly has a first glass pane with a coating formed thereon, a second glass pane, and a polymeric interlayer provided between the first glass pane and the second glass pane. The coating includes a first layer deposited over a major surface of the glass pane, wherein the first layer has a refractive index of 1.6 or more and a thickness of 50 nm or less, a second layer deposited over the first layer, wherein the second layer has a refractive index that is less than the refractive index of the first layer and a thickness of 50 nm or less, a third layer deposited over the second layer, wherein the third layer has a refractive index that is greater than the refractive index of the second layer and a thickness of less than 500 nm, and a fourth layer deposited over the third layer, wherein the fourth layer has a refractive index that is less than the refractive index of the third layer and a thickness of 100 nm or less.

Article comprising a first microstructured layer comprising a first material, and having first and second opposed major surfaces, the first major surface being a microstructured surface, and the microstructured surface having peaks and valleys, wherein the peaks are microstructural features each having a height defined by the distance between the peak of the respective microstructural feature and an adjacent valley; and a second layer comprising an adhesive material, and having a first and second opposed major surfaces, the adhesive material comprising a reaction product of a mixture comprising (meth)acrylate and epoxy in the presence of each other, wherein at least a portion of the second major surface of the second layer is directly attached to at least a portion of the first major microstructured surface of the first layer.

A vehicle pane has a first and a second pane element that are joined to one another surface-to-surface such that the vehicle pane has a first pane face, a second pane face, a third pane face, and a fourth pane face. The second pane face has a first printed region and the third or fourth pane face has a second printed region for forming a viewing region along the vehicle pane. The first and second printed region are each designed with at least a first, second, and third zone. At least one of the first and/or second zones is at least partially printed and the third zones are not printed. The second zones are implemented as a transition region between the first zone and the third zone such that an optical effect of the first printed region is compensated by an optical effect of the second printed region.

The present invention relates to a single-layer or multilayer coated polyester film having a transparency of at least 92%, with the polyester film having a first surface and a second surface, in which a permanent anti-fog coating has been applied to at least one of the surfaces of the polyester film and the anti-fog coating includes at least one water-soluble polymer, an inorganic, hydrophilic material and a crosslinker. The water-soluble polymer is a polyvinyl alcohol or a hydrophilic polyvinyl alcohol copolymer. Furthermore, the present invention relates to production processes for the coated polyester film and to energy saving mats in greenhouses produced therefrom.

In one aspect, a method for manufacturing a roofing membrane may include steps of (a) providing a PET (Polyethylene terephthalate) layer, (b) applying a first adhesive layer to attach the PET layer to a first photochemistry reaction layer, (c) forming a combination layer by combining the layers in (b) with an aluminum layer, (d) attaching one side of a second photochemistry reaction layer to the combination layer in (c) through a second adhesive layer; and (e) applying a polymer layer on the other side of second photochemistry reaction layer. In one embodiment, the method for manufacturing a roofing membrane may further include a step (f) of heating the membrane formed in step (e) for 48 hours at 60° C.

A system and method are provided for forming body structures including energy filters/shutter components, including energy/light directing/scattering layers that are actively electrically switchable. The filters or components are operable between at least a first mode in which the layers, and thus the presentation of the shutter components, appear substantially transparent when viewed from an energy/light incident side, and a second mode in which the layers, and thus the presentation of the energy filters or shutter components, appear opaque to the incident energy impinging on the energy incident side. The differing modes are selectable by electrically energizing, differentially energizing and/or de-energizing electric fields in a vicinity of the energy scattering layers, including electric fields generated between a pair of transparent electrodes sandwiching an energy scattering layer. Refractive indices of transparent particles, and the transparent matrices in which the particles are fixed, are tunable according to the applied electric fields.

A multilayer optical film structure and a method of manufacturing the same are provided. The multilayer optical film structure includes a base layer, a first optical structure and a second optical structure. The base layer has a first surface and a second surface. The first optical structure is disposed on the first surface of the base layer. The second optical structure is disposed on the second surface of the base layer, and includes a first structural layer, a second structural layer and a third structural layer. The first structural layer is located between the base layer and the second structural layer, and the second structural layer is located between the first structural layer and the third structural layer. The difference between the refractive index of the first structural layer and the refractive index of the second structural layer is greater than or equal to 0.1.