B29C59/046

Master, transfer copy, and method for manufacturing master
11602878 · 2023-03-14 · ·

There are provided a master and a method for manufacturing the master, the master having, on its outer peripheral surface, a concave-convex structure in which concavities or convexities are continuously arranged with high precision. The master includes: a substrate with a hollow cylindrical shape or cylindrical shape; and a concave-convex structure on an outer peripheral surface of the substrate. The concave-convex structure has concavities or convexities continuously arranged at a predetermined pitch in a circumferential direction of the substrate. The concavities or convexities are arranged with a predetermined phase difference between circumferential rows adjacent in an axial direction of the substrate.

LAMINATE HAVING MICROSTRUCTURED SUBSTRATE AND METHOD FOR PRODUCING THE LAMINATE
20230128937 · 2023-04-27 ·

A laminate, including a substrate having a microstructure on a surface thereof; and a coating layer formed on the substrate and encapsulating the microstructure of the substrate. A glass transition temperature T.sub.1 of the substrate is higher than a glass transition temperature T.sub.2 of the coating layer. A method of producing an ophthalmic lens, including deforming the laminate into a shape of the ophthalmic lens by applying heat and/or pressure at a temperature of lower than T.sub.1.

METHOD FOR FABRICATING IMPRINT MASTER, THE IMPRINT MASTER, IMPRINT AND ARTICLE
20230128723 · 2023-04-27 · ·

A method for fabricating an imprint master 1 comprises a first forming step of forming micro-protrusion-and-recess structures 23 having a first average pitch on one surface of a substrate 10 and a second forming step of forming main recesses 21 or main protrusions 22 having a second average pitch larger than the first average pitch on the one surface of the substrate 10 having the micro-protrusion-and-recess structures 23 formed thereon, in a manner maintaining a shape of at least a portion of the micro-protrusion-and-recess structures 23 in the main recesses 21 or the main protrusions 22 while the main recesses 21 or the main protrusions 22 are being formed.

DECORATIVE PANEL

The invention relates to a decorative panel, comprising at least one substrate comprising an upper surface and a bottom surface and two pairs of opposing side edges, wherein the substrate comprises at least one core layer and at least one decorative layer and the panel comprising at least one coating layer, wherein the coating layer is provided upon the upper surface of the substrate.

Long decorative material with embossing in register with pattern and rolling method and device therefor

A long decorative material with an embossing in register with a pattern, a rolling method and a device therefor are described herein. The method comprises a feeding step of feeding a layered raw material of a long decorative material to be rolled into oppositely rolling rollers; and a rolling step of hot rolling an embossing on the transparent plastic layer. A feeding tension of a printed plastic layer is adjusted according to a longitudinal deviation between the embossing and the pattern in the rolling step. The device comprises a first feeding device, a second feeding device, the oppositely rolling rollers, a detecting device, and a tension controller disposed on the second feeding device. According to the long decorative material with the embossing in register with the pattern manufactured by the method, the embossing hot-rolled on the transparent plastic layer is in register with the pattern on the printed plastic layer. The method, device and the long decorative material with the embossing in register with the pattern processed thereby can implement the embossing on the transparent plastic layer in register with the pattern on the printed plastic layer and have high production efficiency, low cost and less energy consumption.

Long plastic layer with embossing in register with pattern and rolling method and device therefor

A long plastic layer with an embossing in register with a pattern, a rolling method and a device are described herein. The method comprises a feeding step of feeding a plastic layer into oppositely rolling rollers; and a rolling step of hot rolling an embossing on the plastic layer. A feeding tension of the plastic layer is adjusted according to a longitudinal deviation between the embossing and the pattern in the rolling step. The device comprises a first feeding device, an oppositely rolling rollers control device, a detecting device, and a tension controller disposed on the first feeding device. According to the long plastic layer with the embossing in register with the pattern manufactured by the method, the embossing on the plastic layer is in register with the pattern on the plastic layer. The present invention provides the method, the device and the long plastic layer with the embossing in register with the pattern processed using the method, implementing the embossing rolled on the plastic layer in register with the pattern on the plastic layer and having high production efficiency, low cost and less energy consumption.

Substrate

A substrate and a method for producing the same are disclosed herein. In some embodiments, a substrate includes a base layer, a black layer formed on the base layer, and column spacers formed on the black layer, wherein a loss rate of spacers measured by a peel test is 15% or less. The substrate can have excellent adhesiveness of the spacer to the base layer or the black layer and ensuring appropriate darkening properties. The method can effectively produce such a substrate without adverse effects such as occurrence of foreign materials without separate treatment such as heat treatment.

OPTICAL FILMS WITH MICROSTRUCTURED LOW REFRACTIVE INDEX NANOVOIDED LAYERS AND METHODS THEREFOR

A microstructured article includes a nanovoided layer having opposing first and second major surfaces, the first major surface being microstructured to form prisms, lenses, or other features. The nanovoided layer includes a polymeric binder and a plurality of interconnected voids, and optionally a plurality of nanoparticles. A second layer, which may include a viscoelastic layer or a polymeric resin layer, is disposed on the first or second major surface. A related method includes disposing a coating solution onto a substrate. The coating solution includes a polymerizable material, a solvent, and optional nanoparticles. The method includes polymerizing the polymerizable material while the coating solution is in contact with a microreplication tool to form a microstructured layer. The method also includes removing solvent from the microstructured layer to form a nanovoided microstructured article.

SYSTEMS FOR PRINTING VISCOUS MATERIALS USING LASER ASSISTED DEPOSITION
20230202098 · 2023-06-29 ·

In systems for printing a viscous material, the printing and post processing of the viscous material are performed sequentially one after another. In an initial step, a viscous material is printed on a sample mounted on a receiver substrate using a donor module and a laser scanner, and then the donor module is replaced with a post processing system for performing a post processing operation (and vice versa). Multiple post processing operations can be performed, and multiple different materials can be printed on the same layer. The systems can increase the speed, resolution and diversity of materials printed on the same sample, and opens the possibilities for new designs.

METHOD AND APPARATUS FOR PRODUCING A NANOSTRUCTURED OR MICROSTRUCTURED FOIL BY EXTRUSION COATING OR EXTRUSION CASTING

A method for extrusion coating or extrusion casting, a polymer sheet (4, 5) produced thereby, a roller (2) for use in extrusion coating or extrusion casting, and an apparatus comprising said roller (2), in which micro- and/or nanostructures provided on the surface of the roller (2) are transferred to the polymer sheet (4, 5), and which is applicable to the extrusion coating or extrusion casting of all types of thermoplastic polymer.