A method for producing a support for a motor vehicle, in particular a dashboard support, comprises the following steps: producing a core from a foam material and at least partially surrounding the core with a unidirectional layer to form a reinforced core. A resulting support for a motor vehicle has a core made of a foam material, wherein the core is at least partially provided with a unidirectional layer.

A method of three-dimensional printing an object having a varying degree of transmissivity to light along an axis of the object, the method comprising the steps of (a) providing a liquefied polymer resin having a plurality of particles therein, the particles being distributed in the liquefied polymer resin based on the density of the particles; and (b) polymerizing the liquefied polymer resin under conditions to form the object layer-by-layer. There is also provided a formulation for three-dimensional printing and a three-dimensional printed object.

A thermoplastic resin composition including 100 parts by weight of a base resin including 0.5 to 45% by weight of a graft copolymer (A-1) including acrylate rubber having an average particle diameter of 50 to 150 nm, an aromatic vinyl compound, and a vinyl cyanide compound, 20 to 80% by weight of a graft copolymer (A-2) including acrylate rubber having an average particle diameter of 151 to 600 nm, an aromatic vinyl compound, and a vinyl cyanide compound, and 10 to 45% by weight of an -methylstyrene-based copolymer (B) having a weight average molecular weight of 60,000 to 180,000 g/mol; and 0.5 to 10 parts by weight of an ultra-high molecular weight copolymer (C) having a weight average molecular weight of 1,000,000 to 12,000,000 g/mol. A method of preparing the thermoplastic resin composition and a molded article including the thermoplastic resin composition are also disclosed.

A composite material of particles disposed in a matrix material is provided in which the particles have an asymmetric geometric shape with a longest dimension and a shortest dimension different from the longest dimension. Adjacent volume portions of the composite material are arranged in a mosaic pattern to abut along an interface or surface forming a common boundary between the adjacent volume portions. The particles within the adjacent volume portions are arranged with differing orientations with respect to the interface. The orientations of the particles in the adjacent volume portions are selected so that a crack propagating on a crack propagation path through one or the other of the adjacent volume portions stops at or deflects to propagate along the interface. Methods of making composite materials are also provided.

Aspects of the disclosure relate to a method of forming an article including: combining first and second chemical components that are reactive with each other to form a coreactive composition; depositing the coreactive composition to form a conductive portion of an article; wherein, 48 hours after depositing, the conductive portion comprises: a tensile modulus of at least 5 MPa; and an electrical conductivity of at least 2 S/m; wherein the coreactive composition comprising: a solvent content less than 5 wt %; and a conductive filler content effective for the conductive portion to reach the electrical conductivity of at least 2 S/m.

Examples of an imaging system for use with a head mounted display (HMD) are disclosed. The imaging system can include a forward-facing imaging camera and a surface of a display of the HMD can include an off-axis diffractive optical element (DOE) or hot mirror configured to reflect light to the imaging camera. The DOE or hot mirror can be segmented, for example, with different segments having different angles or different optical power. The imaging system can be used for eye tracking, biometric identification, multiscopic reconstruction of the three-dimensional shape of the eye, etc. Methods for manufacturing angularly segmented optical elements are also provided. The methods can include injection molding.

PMMA-based rigid foams can be used as the core material of sandwich components in rotor blades of wind power plants and in boatbuilding.

A 3D printed GRIN device, the formulation and the method for making the GRIN device are disclosed. The GRIN (graded-index) device comprises i) a first phase comprising at least one polymer; ii) a second phase comprising at least one first component; and, optionally, iii) an interface between the first phase and the second phase, wherein the interface has a concentration gradient of the at least one first component, whereby the concentration of the at least one first component decreases with distance away from the second phase towards the first phase, wherein the at least one first component comprises at least one functional component, at least one functional precursor component, or combinations thereof, and wherein the GRIN device is a functional GRIN device, a functional precursor GRIN device, or a combination of a functional and functional precursor GRIN device.

Disclosed is an ASA resin composition, a molded article including the ASA resin composition, and a method of manufacturing the molded article. Also disclosed is an ASA resin composition including 20 to 47% by weight of an acrylate-aromatic vinyl compound-vinyl cyanide compound graft copolymer containing acrylate rubber having an average particle diameter of 50 to 150 nm as a core; 23 to 55% by weight of an alkyl methacrylate-aromatic vinyl compound-vinyl cyanide compound copolymer; and 25 to 45% by weight of a poly(alkyl methacrylate) resin, a molded article including the ASA resin composition, and a method of manufacturing the molded article. Also disclosed is an ASA resin composition having excellent colorability and transparency even at a processing thickness of a predetermined value while having excellent mechanical properties and processability, a molded article including the ASA resin composition, and a method of manufacturing the molded article are provided.

The disclosure generally describes methods, systems and products relating to the development and manufacture of scleral contact lenses. A number of dimensions for the scleral lens is generated based on control points and attendant curvature parameters. Any change to one or more of the curve parameters imparts an improved anterior and posterior surface of the scleral lens and associated thickness, while undesired modifications to control points and other curve parameters remain static inasmuch as the sagittal depth component is an input parameter of the present disclosure.