In one aspect, build materials for use with a three-dimensional (3D) printing system are described herein. In some embodiments, a build material described herein comprises an acrylate component, a photoinitiator component, a non-curable absorber component, and water. The photoinitiator component of the build material is operable to initiate curing of the acrylate component and/or other curable materials that may optionally be present when the photoinitiator is exposed to incident curing radiation having a Gaussian distribution of wavelengths and a peak wavelength . The build material has a penetration depth (D.sub.p) and a critical energy (E.sub.c) at the wavelength . In some embodiments, the D.sub.p is greater than 200 m and less than 300 m, and the E.sub.c is 3-12 mJ/cm.sup.2. In other embodiments, the D.sub.p is greater than 10 m and less than 50 m, and the E.sub.c is 5-40 mJ/cm.sup.2.

The present disclosure relates to a monomer composition including methyl methacrylate, an -olefin, and at least one compound selected from the group consisting of methyl propionate, methyl pyruvate, and methyl 2-methylbutyrate.

Functional and/or functional precursor products, formulations for making the products, methods of making the products (e.g. functional coatings, concentrated gradients, and/or composites), and uses thereof are provided. In an aspect, a method for making a product is provided, the method comprising: a) combining at least one first component and at least one polymerizable component to form a composition; and b) polymerizing the at least one polymerizable component to form at least one polymer, wherein at least two phases are formed from the at least one first component and the at least one polymer. The at least one first component comprises at least one functional component, at least one functional precursor component, or combinations thereof, and the product is a functional product, a functional precursor product, or a combination of a functional and functional precursor product.

Provided are: a composition for forming an underlayer film for imprinting, which contains a high-molecular-weight compound having a polymerizable group, a chelating agent, and a solvent, and a method for producing the same; a kit including the composition for forming an underlayer film; a pattern producing method using the composition for forming an underlayer film; and a method for manufacturing a semiconductor element, which includes the pattern producing method as a step.

Provided are devices and methods that combine material anisotropy with nonlinear structural design to produce structures that precisely and sequentially actuate in response to multiple stimuli, such as water or non-polar solvents. These devices and methods can include bistable anisotropic elements that convert to monostable element upon exposure to a particular stimulus, and anisotropic distortions can be harnessed to change the geometric properties of the element to cross phase boundaries and trigger shape changes at precise times. One can incorporate complex logic into these devices and methods.

A polymerization initiator molecule, excitable by two photons and capable of generating polymerization-initiating free radicals, includes two branches grafted onto a central phenyl nucleus. Each branch includes an oligomer of oligophenyleneethynylenyl type or oligo-2,5-dihalogenphenyleneethynylenyl type. A photopolymerizable composition, activatable by two-photon absorption, includes a radically polymerizable resin and a photochemically effective amount of a radical photoinitiator system. The photoinitiator system includes at least one initiator molecule as described above. Moreover, a method and an associated device for two-photon three-dimensional printing are disclosed. The method includes transforming a volume of a photopolymerizable composition including at least one initiator molecule. The transformation includes irradiating the volume of composition with an irradiation light source emitting an irradiation signal having a wavelength L.sub.irr of between 1 and 1.5 times, and preferably between 1.1 and 1.25 times, a cut-off wavelength L.sub.CutOff of the initiator molecule. Embodiments may apply to submicron-resolution two-photon 3D printing.

Provided herein are curable compositions useful for, among other things, making three-dimensional parts by additive manufacturing. The compositions when cured exhibit a surprising balance of improved tensile strength and percent elongation.

A method for producing a polymethyl methacrylate plate includes the steps of providing a mould that includes at least one gasket which is enclosed between two substantially parallel mould parts, introducing liquid including methyl methacrylate prepolymer and/or methyl methacrylate monomer in the mould and enabling polymerization of the liquid methyl methacrylate. A gasket is used in a mould for producing a polymethyl methacrylate plate.

Cover lens (1), for a motor vehicle light, wherein the cover lens (1) has an inner surface (2), an outer surface (3) opposite the inner surface (2), a transparent body (4), an opaque body (5) and a coating (6), wherein the coating (6) has PU polyurethane, wherein the transparent body (4), the opaque body (5) and the coating (6) are produced in one continuous piece, preferably in an injection moulding process, in such a way that the outer surface (3) is only formed on the coating (6) and on the opaque body (5), wherein the coating (6), as seen from the outer surface (3) in the direction of the inner surface (2), completely covers the transparent body (4) and only partially covers the opaque body (5). Injection moulding process and injection mould (100) for producing a cover lens (1).

A composite resin composition for automobile interior products and an automobile interior product manufactured using the same are disclosed. More particularly, raw materials included in the composite resin composition for automobile interior products are optimized so that heat resistance and hydrolysis resistance stability are improved. Accordingly, the balance between physical properties such as mechanical properties and fluidity is satisfied and excellent product reliability and appearance can be provided.