Abstract: Methods for manufacturing a composite material and composite materials are provided. The method may include preparing a metal foam, preparing a mixture including the metal foam and a curable polymer, curing the curable polymer of the mixture to obtain a composite material, and performing a planarization treatment. The planarization treatment may be performed on the metal foam before preparing the mixture, on the mixture before curing the curable polymer, and/or on the composite material. The composite materials may include a metal foam and a polymer that is on a surface and/or in pores of the metal foam. The composite material may have a surface roughness of 2 ?m or less and/or may have a thermal resistance of 0.5 Kin2/W or less at 20 psi.

Abstract: Methods for manufacturing a composite material and composite materials are provided. The method may include preparing a metal foam, preparing a mixture including the metal foam and a curable polymer, curing the curable polymer of the mixture to obtain a composite material, and performing a planarization treatment. The planarization treatment may be performed on the metal foam before preparing the mixture, on the mixture before curing the curable polymer, and/or on the composite material. The composite materials may include a metal foam and a polymer that is on a surface and/or in pores of the metal foam. The composite material may have a surface roughness of 2 ?m or less and/or may have a thermal resistance of 0.5 Kin2/W or less at 20 psi.

Abstract: The present application provides a composite material and a method for producing the same. The present application can provide a composite material which comprises a metal foam and a polymer component, and has other excellent physical properties such as impact resistance, processability and insulation properties while having excellent thermal conductivity.

Abstract: The present application relates to a composite material, a method for producing the same, and an electromagnetic-wave shielding sheet comprising the same, which can provide a composite material having excellent impact resistance and processability while having excellent heat dissipation performance, a method for producing the composite material, and an electromagnetic-wave shielding sheet.

Abstract: The present application relates to a composite material. According to the present application, a composite material having high magnetic permeability and excellent other physical properties such as flexibility, electrical insulation, mechanical properties and/or resistance to heat or oxidation can be provided in a simple and economical process.

Abstract: The present application can provide a composite material which comprises a metal foam and a polymer component and has other excellent physical properties such as impact resistance, processability and insulation properties while having excellent thermal conductivity.

Abstract: The present application provides a method for manufacturing a metal foam. The present application can provide a method for manufacturing a metal foam, which is capable of forming in a very short time a metal foam comprising uniformly formed pores and having excellent mechanical properties as well as the desired porosity, and a metal foam produced by the above method. In addition, the present application can provide a method capable of forming a metal foam in which the above-mentioned physical properties are ensured, while being in the form of a thin film or sheet, in a short time, and such a metal foam.

Abstract: The present application provides a method for preparing a composite material. The present application provides a method for preparing a composite material comprising a metal foam and a polymer component, wherein the polymer component is formed in an asymmetrical structure on both sides of the metal foam, and a composite material prepared in such a manner.

Abstract: Wireless charging devices and wireless charging systems are provided. The wireless charging devices may include a receiving part coil and an electromagnetic-wave shielding sheet on the receiving part coil. The electromagnetic-wave shielding sheet may have a specific magnetic permeability of 100 or greater from 100 khz to 300 khz and may include a metal foam including a soft magnetic metal component.

Abstract: The present application provides a method for manufacturing a metal alloy foam. The present application can provide a method for manufacturing a metal alloy foam, which is capable of forming a metal alloy foam comprising uniformly formed pores and having excellent mechanical properties as well as the desired porosity, and a metal alloy foam having the above characteristics. In addition, the present application can provide a method capable of forming a metal alloy foam in which the above-mentioned physical properties are ensured, while being in the form of a thin film or sheet, within a fast process time, and such a metal alloy foam.

Abstract: The present application relates to a composite material. The present application can provide a composite material having high magnetic permeability and also having excellent mechanical properties such as flexibility. The composite material may be used in various applications, and for example, may be used as an electromagnetic-wave shielding material and the like.

Abstract: The present application relates to a high refractive-index composition, a high refractive-index film and a method for producing a high refractive-index film. The present application provides a composition that a high refractive-index film can be produced with a simple coating process and low cost, and a high refractive-index film having a uniform thickness and easy thickness control or molding, as well as having high chemical stability and easy control of physical properties such as transparency or heat resistance, can be produced, a high refractive-index film using the same and a method for producing a high refractive-index film.

Abstract: The present application relates to an asymmetry composite material and a method for preparing the same, which provides a composite material comprising a metal porous body (metal foam or the like) and a polymer component, and provides a method for preparing a composite material, wherein the polymer component is formed in an asymmetrical structure on both sides of the metal porous body (metal foam or the like), and a composite material prepared in such a manner.

Abstract: The present application provides a method for manufacturing a metal foam. The present application can provide a method for manufacturing a metal foam, which is capable of forming a metal foam comprising uniformly formed pores and having excellent mechanical properties as well as the desired porosity, and a metal foam having the above characteristics. In addition, the present application can provide a method capable of forming a metal foam in which the above-mentioned physical properties are ensured, while being in the form of a thin film or sheet, within a fast process time, and such a metal foam.

Abstract: A buffer film and an organic light emitting device (OLED) including the same are disclosed herein. In some embodiments, a buffer film comprises a porous metal sheet having average reflectance of 50% or less for light in a wavelength range of 400 to 800 nm. The buffer film can exhibit heat dissipation properties, electromagnetic wave shielding properties and impact resistance (or impact mitigation properties) required for an OLED. The buffer film is capable of securing the characteristics required for an OLED without price increase, process complexity, and thickness increase of the OLED.

Abstract: The present application relates to an asymmetry composite material and a method for preparing the same, which provides a composite material comprising a metal porous body (metal foam or the like) and a polymer component, and provides a method for preparing a composite material, wherein the polymer component is formed in an asymmetrical structure on both sides of the metal porous body (metal foam or the like), and a composite material prepared in such a manner.

Abstract: The present application provides a composite material and a method for preparing the same. The present application can provide a composite material which comprises a metal foam, a polymer component and a thermally conductive filler, and has other excellent physical properties such as impact resistance, processability and insulation properties while having excellent thermal conductivity.

Abstract: The present application provides a method for manufacturing a metal foam. The present application can provide a method for manufacturing a metal foam, which is capable of forming a metal foam comprising uniformly formed pores and having excellent mechanical properties as well as the desired porosity, and a metal foam having the above characteristics. In addition, the present application can provide a method capable of forming a metal foam in which the above-mentioned physical properties are ensured, while being in the form of a thin film or sheet, within a fast process time, and such a metal foam.

Abstract: A method for preparing a metal foam is provided which can freely control characteristics, such as pore size and porosity, of the metal foam, prepare the metal foam in the form of films or sheets which have conventionally been difficult to produce, particularly the form of thin films or sheets as well, and prepare a metal foam having excellent other physical properties such as mechanical strength. It is also possible to efficiently form a structure in which the metal foams as above are integrated with good adhesive force on a metal base material.

Abstract: The present application can provide a composite material which comprises a metal foam, a polymer component and an electrically conductive filler, has other excellent physical properties such as impact resistance, processability and insulation properties while having excellent thermal conductivity, and is also capable of controlling electrical conductivity characteristics.