A use of a filament in 3D printing is disclosed. The filament includes a thermoplastic polymer and detonation nanodiamonds. The filament exhibits increased tensile strength and thermal conductivity and higher glass transition temperature compared to filaments not including detonation nanodiamonds. 3D items produced with the filament exhibits increased tensile strength and thermal conductivity.

To provide a quantum dot-containing resin sheet or film, a method for producing the same, and a wavelength conversion member that can, in particular, solve the problem of aggregation of the quantum dots and the problem with the use of a scattering agent, suppress a decrease in light conversion efficiency, and improve the light conversion efficiency of a resin molded product containing quantum dots. The quantum dot-containing resin sheet or film of the present invention includes a stack of a plurality of resin layers, at least one of the resin layers containing quantum dots, and the plurality of resin layers is integrally molded through co-extrusion.

The present invention relates to an ultrahigh sensitive pressure-sensing film based on spiky hollow carbon spheres and the fabrication method thereof. The fabricated spiky hollow carbon spheres composed polydimethylsiloxane sensing film whose spheres were well dispersed in the matrix. The spiky structure is useful for the spheres to trigger Fowler-Nordheim (F-N) tunneling effect and thus enhancing the sensitivity of the material. The carbon material fabricated by the precursor transformation method contains a proper Nitrogen doping, which has efficiently increased the carrier migration ability. The hollow structure can both regulate the density of fillers and help to improve its temperature independence. Calcine the spheres under an inert atmosphere to transform the spiky hollow organic spheres into a carbon one, in this process the Nitrogen fraction and graphitization can be adjusted. The above carbon spheres then can be assembled with polydimethylsiloxane to achieve the composite film. The material of the present invention exhibits ultrahigh sensitivity, high sensing density, transparent, low hysteresis, temperature noninterference, and its processing method is simple, maturity and environment friendly.

The present invention relates to a structure for preventing the adhesion of microorganisms, which is capable of preventing microorganisms from adhering to and growing on a surface of an object, and a method of manufacturing the same. The structure for preventing the adhesion of microorganisms includes: a nano-structure configured to include a plurality of protruding structures each having a sharp end, and made of a resin composition; and a plurality of nano-metal particles configured to be distributed inside the nano-structure. A method of manufacturing a structure for preventing adhesion of microorganisms includes preparing a liquid resin; mixing the liquid resin with nano-metal particles; depositing the liquid resin on a substrate; pressing the liquid resin with a master template on which a pattern corresponding to a plurality of protruding structures is formed; and setting or curing the liquid resin.

A system includes a curing assembly for low temperature curing and residual stress relief of material substrates. The curing assembly includes a first exposure chamber configured to expose the material substrate to UV radiation, and a second exposure chamber configured to expose the material substrate to Gamma radiation. In some embodiments, a mixing apparatus may mix nano-filler particles into the material substrate prior to exposure to Gamma radiation. The cure assembly may also include a control system for determining exposure dosages and exposure times based at least in part, on the material properties of the material substrate.

Various implementations include a self-heating device. The device includes an electrically insulative layer, an electrically conductive layer, a first electrode, and a second electrode. The electrically insulative layer has a first surface and a second surface spaced apart from the first surface. The electrically conductive layer has a first surface and a second surface spaced apart from the first surface. The second surface of the conductive layer is coupled to the first surface of the insulative layer. The conductive layer includes a polymer. Conductive nanoparticles are embedded in the polymer. The first electrode and a second electrode are coupled to the conductive layer. The first electrode and the second electrode are spaced apart from each other and in electrical communication with each other through the conductive layer. The conductive layer produces heat through Joule heating when electrical current is passed through the conductive layer.

A method for manufacturing an anti-reflective coating on a surface of an optical component includes the steps of placing a moth eye structure material in apertures of a stamp; placing the stamp on the surface of the optical component such that the moth eye material is in contact with the surface of the optical component; and removing the stamp after the moth eye structure material adheres to the surface of the optical component to create an anti-reflective coating on the surface of the optical component.

An absorbent article containing a polyolefin film is provided. The polyolefin film is formed by a thermoplastic composition containing a continuous phase that includes a polyolefin matrix polymer and nanoinclusion additive is provided. The nanoinclusion additive is dispersed within the continuous phase as discrete nano-scale phase domains. When drawn, the nano-scale phase domains are able to interact with the matrix in a unique manner to create a network of nanopores.

Article (9,19) comprising a substrate (10, 20) comprising a polymer and having first (11,21) and second (12, 22) opposed major surfaces. The first major surface (11, 21) has first surface regions (13, 23) with first nanoparticles (14a, 14b, 14c, 14d, 24a, 24b, 24c, 24d) partially embedded into the first major surface (11, 21), and one of •(a) second surface regions (15) free of nanoparticles; or •(b) second surface regions (25) with at least second nanoparticles (28) on the first major surface (11, 21) or partially embedded into the first major surface (11, 21). The first surface regions (13, 23) have a first average surface roughness, R.sub.a1, of at least 20 nm, wherein the second surface regions (15, 25) have a second average surface roughness, R.sub.a2, of less than 100 nm, wherein the first average surface roughness, R.sub.a1, is greater than the second average surface roughness, R.sub.a2, and wherein there is an absolute difference between the first and second average surface roughness of at least 10 nm.

Embodiments of the invention are directed to methods, devices, and compositions for 3D printing of piezoelectric devices. The piezoelectric devices can be used for sensor applications using poly(vinylidene) fluoride (PVDF) and BaTiO.sub.3 (BTO) nanocomposites through in-situ electric poling 3D printing process.