Abstract: Provided are a transparent film, an optical material including the same, and a display device including the same.

Abstract: The present invention provides a method for preparing a polymer film, comprising the steps of: forming a precursor film by drying a polymer precursor; and forming a polymer film by curing the precursor film, wherein the curing of the precursor film is carried out on a substrate film.

Abstract: The present invention provides a method for manufacturing a polymer film, the method comprising the steps of: drying a polymer precursor to form a precursor film; and curing the precursor film to form a polymer film, wherein the drying is performed such that the content of a solvent remaining in the precursor film after the drying is 30% or less.

Abstract: The present invention relates to an insulation used in home appliances and building materials. A method of manufacturing an insulation includes fabricating an adhesive solution by inputting a binder to water contained in a water tank, inputting long glass fibers to the adhesive solution, removing moisture by supplying the long glass fibers to a mesh belt, wherein the mesh belt move left and right and front and rear so that the long glass fibers are uniformly spread, fabricating glass fiber paper by drying the long glass fibers, winding the glass fiber paper in a roll form, and preparing the glass fiber paper rolls in multiple layers, stacking two or more sheets of the glass fiber paper supplied from the rolls, and sewing the sheets of stacked glass fiber paper.

Abstract: The present invention provides an outer skin material for a vacuum heat insulator including: a lamination structure of an outermost glass textile layer, a surface protective layer, and an adhesive layer from the outside. In addition, the present invention provides a vacuum heat insulator including: a glass fiber board including 50 wt % to 90 wt % of fumed silica powder and 10 wt % to 50 wt % of glass fiber; and the outer skin material for a vacuum heat insulator, the outer skin material having the glass fiber board inserted therein. Further, the present invention provides a vacuum heat insulator including: a glass fiber board having at least one layer and including 85 wt % to 100 wt % of glass fiber; a getter agent attached to or inserted in the glass fiber board; and the outer skin material described in claim 1, the outer skin material having the glass fiber board inserted therein.

Abstract: Provided is a vacuum insulation panel comprising: a core material; and a shell material for covering the core material, wherein the shell has a layered structure comprising a surface protective layer, a metal barrier layer, and a thermal deposition layer from the outside, and the sealing strength of the vacuum insulation panel is 5-15 kgf. In addition, provided is a method for preparing the vacuum insulation panel, comprising the steps of: preparing the shell material by sequentially layering the thermal deposition layer, the metal barrier layer and the surface protective layer; inserting the core material between the shell material; reducing pressure and sealing the shell material so as to form a vacuum insulation panel; and heat treating the vacuum insulation panel, wherein the sealing strength of the vacuum insulation panel is 5-15 kgf.

Abstract: The present invention relates to a vacuum insulation panel comprising a core material, and a shell material, and more specifically, to a high temperature vacuum insulation panel usable in a high temperature range. The present invention provides a high temperature vacuum insulation panel including: an inorganic core material comprising glass fiber; and a shell material for sealing the inorganic core material in which the shell material comprises a composite film including a thermal deposition layer adhered to the surface of the inorganic core material, a protective layer for absorbing and dispersing external impact, and a barrier layer for blocking the permeation of gas or moisture between the thermal deposition layer and the protective layer.

Abstract: The present invention provides an outer skin material for a vacuum heat insulator including: a lamination structure of an outermost glass textile layer, a surface protective layer, and an adhesive layer from the outside. In addition, the present invention provides a vacuum heat insulator including: a glass fiber board including 50 wt % to 90 wt % of fumed silica powder and 10 wt % to 50 wt % of glass fiber; and the outer skin material for a vacuum heat insulator, the outer skin material having the glass fiber board inserted therein. Further, the present invention provides a vacuum heat insulator including: a glass fiber board having at least one layer and including 85 wt % to 100 wt % of glass fiber; a getter agent attached to or inserted in the glass fiber board; and the outer skin material described in claim 1, the outer skin material having the glass fiber board inserted therein.

Abstract: The vacuum thermal insulation material of the present invention comprises: a core material part which is hermetically sealed under reduced pressure; a getter part which is provided on one side in the middle of the core part; and an outer skin material part which surrounds the core material part and is hermetically sealed. In the getter part, a getter material, comprising a mixture of a hygroscopic material and a gas-adsorbing material, is packed in the form of a nonwoven fabric. In the vacuum thermal insulation material of the present invention, the hygroscopic material is any one of calcium oxide, calcium chloride, zeolite, silica gel, alumina and activated carbon, while the gas-adsorbing material is an oxygen-adsorbing material comprising a Fe based compound; and the hygroscopic material and the gas-adsorbing material are mixed in a ratio of between 20:1 and 200:1.

Abstract: Disclosed herein is a vacuum insulation material, which includes a barrier film and a core, wherein a rigid body thinner than a reference thickness or a getter harder than a reference hardness is formed between the barrier film and the core, or the rigid body thinner than the reference thickness is formed on the getter formed between the barrier film and the core to ensure surface flatness and surface hardness of the vacuum insulation material.

Abstract: Provided is a vacuum insulation panel comprising: a core material; and a shell material for covering the core material, wherein the shell has a layered structure comprising a surface protective layer, a metal barrier layer, and a thermal deposition layer from the outside, and the sealing strength of the vacuum insulation panel is 5-15 kgf. In addition, provided is a method for preparing the vacuum insulation panel, comprising the steps of: preparing the shell material by sequentially layering the thermal deposition layer, the metal barrier layer and the surface protective layer; inserting the core material between the shell material; reducing pressure and sealing the shell material so as to form a vacuum insulation panel; and heat treating the vacuum insulation panel, wherein the sealing strength of the vacuum insulation panel is 5-15 kgf.

Abstract: The present invention relates to an insulation used in home appliances and building materials. A method of manufacturing an insulation includes fabricating an adhesive solution by inputting a binder to water contained in a water tank, inputting long glass fibers to the adhesive solution, removing moisture by supplying the long glass fibers to a mesh belt, wherein the mesh belt move left and right and front and rear so that the long glass fibers are uniformly spread, fabricating glass fiber paper by drying the long glass fibers, winding the glass fiber paper in a roll form, and preparing the glass fiber paper rolls in multiple layers, stacking two or more sheets of the glass fiber paper supplied from the rolls, and sewing the sheets of stacked glass fiber paper.

Abstract: The present invention relates to a core material for a vacuum insulation panel and a method of manufacturing the same. The method includes (a) preparing a solution of an inorganic binder; (b) dipping glass wool into the inorganic binder solution; (c) loading the glass wool on an upper portion of a chamber; (d) creating a vacuum in the chamber to discharge the inorganic binder solution from the glass wool into the chamber; and (e) drying and molding the glass wool into the form of a core material for manufacturing a vacuum insulation panel, thereby enhancing long term-durability of the vacuum insulation panel.

Abstract: Disclosed are a vacuum insulation panel, a method for manufacturing the same and an insulation box having the same. By cutting the core material correspondingly to shape and thickness of the absorbent without cut of the core material and pressing the absorbent securing part to form the groove for placing the absorbent therein, the vacuum insulation panel prevents partial deterioration of heat transmission caused by the cutoff of the core material or deterioration of the smoothness caused by placing the absorbent above the core material or between the core materials. Particularly, it is possible to prevent the phenomenon that the periphery is pressed together, which is shown in a conventional press process, to thereby improve the smoothness by cutting the core material in shape and depth corresponding to the shape and thickness of the absorbent prior to the press of the absorbent securing part.

Abstract: The present invention relates to a groove-type vacuum insulation material and a method of manufacturing the same. The groove-type vacuum insulation material includes core materials each having a block shape, at least one lateral wall of which has an inclined surface; a groove-type insulation board, in which the core materials are arranged on a plane of the board to be separated from each other, with the inclined surfaces thereof facing each other; an outer skin material formed in a film pouch shape and surrounding the entirety of upper and lower sides of the groove-type insulation board, the outer skin material being brought into close contact with the groove-type insulation board by vacuum-sealing, and exhibiting bending characteristics in a space between the core materials. The present invention also relates to a method of manufacturing the same.

Abstract: The present invention relates to a vacuum insulation panel comprising a core material, and a shell material, and more specifically, to a high temperature vacuum insulation panel usable in a high temperature range. The present invention provides a high temperature vacuum insulation panel including: an inorganic core material comprising glass fiber; and a shell material for sealing the inorganic core material in which the shell material comprises a composite film including a thermal deposition layer adhered to the surface of the inorganic core material, a protective layer for absorbing and dispersing external impact, and a barrier layer for blocking the permeation of gas or moisture between the thermal deposition layer and the protective layer.

Abstract: The vacuum thermal insulation material of the present invention comprises: a core material part which is hermetically sealed under reduced pressure; a getter part which is provided on one side in the middle of the core part; and an outer skin material part which surrounds the core material part and is hermetically sealed. In the getter part, a getter material, comprising a mixture of a hygroscopic material and a gas-adsorbing material, is packed in the form of a nonwoven fabric. In the vacuum thermal insulation material of the present invention, the hygroscopic material is any one of calcium oxide, calcium chloride, zeolite, silica gel, alumina and activated carbon, while the gas-adsorbing material is an oxygen-adsorbing material comprising a Fe based compound; and the hygroscopic material and the gas-adsorbing material are mixed in a ratio of between 20:1 and 200:1.

Abstract: A vacuum insulation panel and to a method for manufacturing same. The method comprises: (a) a step of laminating a plurality of glass fiber boards to form a core, wherein the glass fiber boards are produced by a papermaking method using glass fiber dispersed in an inorganic binder; (b) a step of forming an outer cover having a structure in which a surface protection layer, a metal barrier layer, and an adhesive layer are laminated; (c) a step of producing a getter by packing quicklime (CaO) powder in a pouch; (d) a step of attaching the getter onto the core, or inserting the getter into the surface of the core; and (e) a step of forming the outer cover into a bag body, inserting the core from step (d) into the bag body, and sealing the bag body, thereby improving long-term durability of the vacuum insulation panel.

Abstract: Disclosed herein is a vacuum insulation material, which includes a barrier film and a core, wherein a rigid body thinner than a reference thickness or a getter harder than a reference hardness is formed between the barrier film and the core, or the rigid body thinner than the reference thickness is formed on the getter formed between the barrier film and the core to ensure surface flatness and surface hardness of the vacuum insulation material.

Abstract: The present invention relates to a core material for a vacuum insulation panel and a method of manufacturing the same. The method includes (a) preparing a solution of an inorganic binder; (b) dipping glass wool into the inorganic binder solution; (c) loading the glass wool on an upper portion of a chamber; (d) creating a vacuum in the chamber to discharge the inorganic binder solution from the glass wool into the chamber; and (e) drying and molding the glass wool into the form of a core material for manufacturing a vacuum insulation panel, thereby enhancing long term-durability of the vacuum insulation panel.