B29C59/005

FOAMING TOOL

A method for producing a molded product formed of foamable plastics particles using a foaming tool for processing the foamable plastics particles, wherein the molded product includes at least one region that forms at least one portion of a cavity. The method for forming the molded product includes introducing pre-foamed plastics particles into the cavity, and processing the pre-foamed plastics particles into the molded product by expanding the pre-foamed plastics particles such that the pre-foamed plastics particles expand in the cavity thereby forming the molded product. At least one part of a surface structure of the at least one region forming a surface of the at least one portion of the cavity is produced by an additive method. The surface structure includes multiple elevations and depressions in the surface of the foaming tool.

SURFACE FEATURE TRANSFER MEDIA AND METHODS OF USE
20180117829 · 2018-05-03 · ·

Forming features in the surface of a bicycle component involves depositing a substance onto a substrate in a geometric pattern to form a transfer medium. Forming features may also involve positioning the transfer medium relative to an unformed bicycle component, and forming a negative of the geometric pattern in the bicycle component through the application of heat and/or pressure to the transfer medium and the unformed bicycle component. The transfer medium may be configured for use in the molding of carbon fiber reinforced plastic (CFRP) bicycle components and may include a substrate formed of a flexible material, and a geometric pattern formed of a hard material, the hard material different than the flexible material.

Imprinting method and curable composition for imprinting

An imprinting method for forming a pattern of a cured product by irradiating a curable composition for imprinting disposed on a substrate with light while the curable composition is in contact with a mold having surface asperities and removing the mold from a cured product of the curable composition. The method includes bringing the mold into contact with the curable composition in a condensable gas atmosphere, wherein the curable composition for imprinting has a viscosity in the range of 1 cP to 40 cP in air at 23 C., and the condensable gas is introduced between the mold and the curable composition such that the curable composition for imprinting has a condensable gas solubility (gas/(curable composition+gas)) (g/g) in the range of 0.1 to 0.4.

Forming a carbon nano-tube dispersion
09950464 · 2018-04-24 · ·

Various embodiments disclose a molding compound comprising a resin, a filler, and a carbon nano-tube dispersion and methods of forming a package using the molding compound is disclosed. The carbon non-tube dispersion has a number of carbon nano-tubes with surfaces that are chemically modified by a functional group to chemically bridge the surfaces of the carbon nano-tubes and the resin, improving adhesion between the carbon nano-tubes and the resin and reducing agglomeration between various ones of the carbon nano-tubes. The carbon nano-tube dispersion achieves a low average agglomeration size in the molding compound thereby providing desirable electro-mechanical properties and laser marking compatibility. A shallow laser mark may be formed in a mold cap with a maximum depth of less than about 10 microns. Other apparatuses and methods are disclosed.

Film and method for producing same

A film including a top ply, where at least the top ply contains 15 to 90 phr of at least one ethylene-based polymer having a Mooney viscosity (ML1+4, 121 C.) of 50 to 80 Mooney units and 10 to 85 phr of at least one polypropylene having an ISO 178 flexural modulus of greater than or equal to 400 MPa, and the film may be a single-ply or multi-ply film. In some aspects the ethylene-based polymer has a crystallinity of less than or equal to 30%. The top ply may further include at least one compatibilizer, which has, in some cases, a melt flow index MFI (230 C., 2.16 kg) of 0.1 to 4.0 g/10 min.

Method of manufacturing light guide plate, lighting device, and display device

A method of manufacturing a light guide plate includes steps of cutting a light guide plate base material with a frame-shaped die into a die-cut plate 50 including side surfaces each having a rectangular shape and performing thermal-imprinting process. In thermal-imprinting process, a processing surface 60a of a plate surface of a heated processing board 60 is pressed against one of the side surfaces 52 of the die-cut plate 50 to thermally imprint a pattern of the processing surface 60a of the processing board 60 on the one of the side surfaces 52 of the die-cut plate 50. The processing surface 60a having a shape that is recessed more at a portion thereof opposite a middle of a long dimension of the one of the side surfaces 52 than a portion thereof opposite ends of the long dimension of the one of the side surfaces 52 is pressed against the side surface 52.

Substrates comprising nano-patterning surfaces and methods of preparing thereof

Substrates comprising a functionalizable layer, a polymer layer comprising a plurality of micro-scale or nano-scale patterns, or combinations thereof, and a backing layer and the preparation thereof by using room-temperature UV nano-embossing processes are disclosed. The substrates can be prepared by a roll-to-roll continuous process. The substrates can be used as flow cells, nanofluidic or microfluidic devices for biological molecules analysis.

Polymeric Film and Method of Making Same
20240375337 · 2024-11-14 ·

A polymeric film has an orthogonal length and width. The polymeric film includes a substrate and a plurality of fins extending away from the substrate and substantially coextensive with the substrate along the length. The fins are arranged across the width. Each fin in at least a majority of the fins includes a first portion extending from the substrate to a tip of the fin opposite the substrate; and a second portion extending from the tip of the fin toward or to the substrate. The second portion is attached to the first portion proximate the tip and separated from the first portion proximate the substrate along at least a portion of the length. The first and second portions have different respective first and second compositions.

Method for nano-depth surface activation of PTFE-based membrane

A method for nano-depth surface activation of a PTFE-based membrane and relates to the technical field of polymer composites is disclosed. The method comprises the following steps: covering a functional surface of a PTFE-based nano functional composite membrane, performing surface activation treatment on a single surface of the membrane to which a bonding adhesive is applied, and migrating and complexing a high-toughness cold bonding adhesive tape on the membrane surface, with an activated structure layer, of the PTFE-based nano functional composite membrane through a mechanical adhesive applying device to form an adhesive-membrane complex. An extremely strong affinity and a high-strength bonding performance are generated between the membrane and the adhesive, and the adhesive-membrane complex is formed. Integration of membrane/adhesive bonding complexing, membrane/membrane bonding complexing and membrane/adhesive layer bonding is realized.

Resin mold for nanoimprinting and production method thereof

A resin mold for nanoimprinting has a substrate, a resin layer formed upon the substrate and having a depressions and protrusions pattern on a surface, an inorganic substance layer formed of uniform thickness on at least the surface having the depressions and protrusions pattern of the resin layer, and a mold release agent layer formed of uniform thickness on at least the surface having the depressions and protrusions pattern of the inorganic substance layer. The resin of the resin layer includes constituent units derived from an epoxy group-containing unsaturated compound at a concentration of 1 to 50 percent relative to total constituent units, and the epoxy value is 7.010.sup.4 to 4.010.sup.2.