KR20090063394A - Glass interior panel having high strength and brittleness-resistant core - Google Patents

Abstract

A decoration material for a glass interior material is provided to protect glass or transparent plastic from the external impact by using a reinforcement. A decoration material comprises a transparent panel(20); and a high strength brittleness-resistant substrate(50) which comprises at least one material selected from inorganic or organic materials and is adhered to the transparent panel. The inorganic material comprises a calcium silicate-based material a magnesium-based material or a cement-based material, and the organic material comprises plastic or wood-based organic material.

Description

Glass interior panel having high strength and brittleness-resistant core

The present invention provides an inorganic base material having excellent brittleness such as calcium silicate, magnesium and cement, and composite panels such as plastics, plywood, melamine / wood powder, etc., on the back of the glass interior panel having imparted interior properties to glass or transparent plastic panels. The present invention relates to an interior decorative material in which an organic substrate is attached to a high strength substrate (Core).

The glass interior panel of the present invention is easy to cut, and has a shock absorbing and high durability, and by attaching a high-strength base material that is advantageous in terms of economic efficiency, while reducing the thickness of expensive tempered glass or the like, damage to heavy loads or large impacts Can exhibit physical properties that can be prevented.

In addition, when broken by a large impact, when the breakage of the glass and transparent panel material occurs, the scattering of the fragments can be prevented by the influence of the substrate and the adhesive resistant to brittleness, thereby providing safety.

Conventional technology has a method of preventing the breakage by strengthening the physical properties of the tempered glass itself or by increasing the thickness, but there may be a problem in handling due to the increase in manufacturing cost and high load.

As another technology, Korean Patent Publication No. 2004-52631 discloses a light weight interior material for wall construction by attaching a honeycomb structural panel made of metal / nonmetallic material to the back surface of a glass interior decoration material. It can not maintain the strength in accordance with the use of the, can cause a cost increase by the production of honeycomb panel.

Korean Patent Laid-Open Publication No. 2002-73771 discloses a form in which a sheet of PVC material is attached to the rear surface of a glass interior material, but it cannot contribute significantly to the protection of the glass material by impact or load, and has a structure that can withstand the load. In order to increase the thickness of the glass material or to maintain the glass panel in a double or more structure there is a disadvantage.

Korean Patent Laid-Open Publication No. 2006-72782 discloses a glass tile comprising a layer consisting of a glass surface coated with a coloring paint and a lightweight cement, although the inorganic substrate is similar to the present invention in that the stability of the glass tile is improved. There is a difference in that the glass plate (glass-colored layer) is a method of forming a lightweight cement on the glass surface coated with the coloring paint by applying a composite mortar to the decorated glass plate, rather than bonding to the base plate.

Korean Utility Model Registration No. 236836 discloses a glass panel for building interior materials in which an adhesive auxiliary layer consisting of a glass fiber layer and a gypsum layer is bonded to a glass decorative plate consisting of a plate glass, a transparent adhesive agent, and a printing sheet. Although similar to the present invention, gypsum is used to smooth the glass fiber layer, and gypsum has brittle resistance, but is weak in terms of strength, and thus it is limited to use only as a wall material rather than a flooring material.

Japanese Patent Laid-Open No. 2001-140399 discloses a glass plate wall material in which a glass plate and an inorganic heat insulating plate are integrated using an adhesive layer, which is similar to the configuration of the present application composed of a glass-adhesive layer-inorganic substrate, but withstands load and It is a material not limited to a high strength, brittle, inorganic base material with little damage, but a base material limited to heat insulating properties, and there is a difference in that it is a wall material rather than a floor material.

U.S. Patent No. 6413618 discloses a glass floor tile that forms a laminated structure of a glass plate-adhesive layer-decorative layer-ceramic substrate, which is similar in that it is a glass floor material having a laminated structure of a glass plate and a substrate, but the present invention is decorated. While the adhesive layer is formed between the glass plate and the substrate, the difference is that the adhesive layer is formed between the glass plate and the decorative layer. Moreover, the ceramic substrate has a high strength, but is brittle and easily cracked due to impact.

Japanese Patent No. 2658685 discloses a makeup member composed of a transparent or translucent plastic sheet layer, a wood grain printing layer, a transparent adhesive layer, a printing layer made of pearlescent or metallic ink, and a wooden substrate.

Japanese Patent Application Laid-Open No. 2005-290568 discloses a makeup sheet for a floor covering formed on a base sheet made of a polyolefin resin in the order of a patterned layer, a transparent adhesive layer, a transparent polypropylene resin layer, and a transparent surface protective layer composed of an ionizing radiation curable resin. As a floor covering, a cosmetic sheet for flooring material is disclosed, wherein the thickness of the transparent polypropylene resin layer is 150 to 500 µm.

Republic of Korea Patent No. 462708 is a step of preparing a middle layer by mixing a natural wood powder material in a vinyl chloride copolymer resin in a certain ratio to form a continuous sheet and laminated with a glass fiber sheet impregnated in a vinyl chloride copolymer resin; The method of manufacturing a flooring material comprising the step of printing on the intermediate layer prepared in the above step or plywood the printing film, laminating the substrate on the bottom, and forming a surface layer by applying a transparent resin sol on the top Is disclosed.

Japanese Patent No. 3371238 discloses a laminate of a backing layer containing an inorganic filler and a rosin in an olefin resin and a transparent surface layer containing wax in an olefin resin, wherein the olefin resin of the surface layer has a melt index of 1 to 10. Polypropylene and ethylene vinyl acetate copolymer containing 35% by weight or less of vinyl acetate in a weight ratio of 7: 3-4: 6, wherein the upper surface of the back layer or the lower surface of the surface layer is formed. Shaped flooring is disclosed.

The present invention is applied to a transparent panel, such as a plastic panel of glass or transparent material, grafting the interior layer having a shape, and by using a high-strength, brittle reinforcing material excellent in strength and odor resistance on the back, various appearances are given, An object of the present invention is to provide an interior panel having a composite structure having physical properties that can protect a glass material or a transparent plastic from impact.

In order to achieve the above object, the present invention provides a decorative material, characterized in that the high strength odor resistant substrate made of one or more materials selected from inorganic or organic based on the transparent panel.

In the present invention, the base material is excellent in workability and strength, such as a panel made of inorganic materials such as high strength and brittle cement, magnesium, and calcium silicate, or a panel made of organic materials such as plastic, plywood, and melamine / wood powder composite panel. Excellent substrate is used. In particular, the calcium silicate panel has excellent strength, low dimensional deformation, nonflammable properties, and excellent workability.

In the present invention, the transparent panel may be made of glass or tempered glass reinforced by heat treatment, or a transparent plastic panel of synthetic resins such as polycarbonate (PC) and polyethylene terephthalate (PET). In particular, the choice of tempered glass can provide properties that are compatible with applications that can be subjected to high loads and impacts, such as flooring.

In the present invention, one or more transparent panels and substrates may be attached.

In the present invention, an interior layer may be additionally laminated between the transparent panel and the substrate, and the interior layer may be organic or inorganic pigments, such as screen printing, thermal sublimation transfer printing, gravure printing, offset printing and live printing. It can be printed directly on the transparent panel by applying the, it is possible to attach the printing sheet to the printing sheet applied to the plastic sheet of the material such as vinyl chloride resin (PVC). In addition, a natural material such as cork or natural fabric may be applied to the interior layer. The interior layer may be applied to at least one surface of a transparent panel such as glass or a transparent plastic panel, or may be sandwiched between two or more transparent panels to express an appearance.

In the present invention, an impact protection layer in a form that can alleviate the impact may be additionally laminated between the transparent panel and the substrate, and the impact protection layer may use a soft plastic (soft sheet), a foamed plastic (cushion), a metal, or the like. Can be.

In the present invention, the base material may be formed with a male and female fitting structure for convenience of construction.

In the present invention, in order to prevent damage to the transparent panel such as scratches on the upper portion, that is, the top layer, a UV protective type or a thermosetting type surface protection layer may be used, and organic materials such as urethane acrylate, acrylic, and SiO Ceramic inorganic materials such as ₂ , SiC, Al ₂ O ₃ may be used as the coating liquid.

In order to attach each layer, such as a transparent panel, an interior layer, and a high strength base material layer, in this invention, it adhere | attaches mutually using the adhesive layer which consists of an organic type or inorganic type binder, for example, silicone type, vinyl acetate type resin, epoxy type adhesives, etc.

According to a preferred embodiment of the present invention, the tempered glass is used as a transparent panel, and the interior layer is formed by applying flat screen printing with acrylic organic pigment on the back of the tempered glass, and the dimensional stability and the Calcium silicate board, which is advantageous in terms of strength, is used. The high-strength substrate and the transparent interior panel thus formed are laminated with each other using an epoxy-based adhesive to produce a final glass interior decoration material.

Bonding conditions of the high-strength substrate and the transparent interior panel in the present invention is 5 to 50 kg at room temperature to 150 to 250 ° C using organic adhesives such as vinyl acetate, acrylic and epoxy, and inorganic adhesives such as silicone. Bonding by pressing at a pressure of f / ㎠, the processing conditions may be variously changed according to the type and properties of the adhesive.

The present invention can exhibit the characteristics of being able to compensate for the damage caused by the impact by applying a substrate having excellent strength and brittleness to weaknesses such as a brittle glass material, and to replace the glass / transparent material panel with an economically advantageous substrate. have. That is, by constructing a glass material decorative material that exhibits excellent interior characteristics and is very stable against dimensional changes as a surface layer, and constructing a high-strength and brittle material that can exert excellent physical properties such as strength and shock absorption, the base layer has its advantages. And complement vulnerabilities. In addition, the high-strength, brittle substrate layer located at the bottom is excellent in processing such as cutting by the brittle resistance properties can provide a construction ease that can not be implemented in glass as needed, such as male and female fitting construction.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

1 is a cross-sectional view of a flooring according to a first embodiment of the present invention, which is composed of a transparent panel 20, an interior layer 30 and a high strength brittle substrate layer 50 from above, Accordingly, the surface protective layer 10 may be formed on the upper layer of the transparent panel 20.

As a basic structure of FIG. 1, one or more structural layers such as the transparent panel 20, the interior layer 30, and the high strength brittle substrate layer 50 may be added to the structure of FIG. 1.

The transparent panel 20 uses a transparent panel made of a glass material such as ordinary glass or tempered glass in the form of heat-treated normal glass, or is produced from petrochemical products such as polycarbonate (PC), acrylic, and polyethylene terephthalate (PET). It is possible to use plastic transparent panels made of polymer.

The interior layer 30 capable of expressing the appearance is directly printed on the transparent panel 20 using printing techniques such as screen printing, thermal sublimation transfer printing, gravure printing, offset printing and live printing using organic or inorganic pigments. The printing sheet produced by applying various printing techniques to a substrate such as acrylic or vinyl chloride resin sheet may be in a form bonded to the transparent panel 20 by an adhesive. In addition, the interior layer may be a material layer in which the shape of the shape such as cork, fabric and other natural materials are combined.

The high-strength, brittle substrate layer 50 uses a panel made of inorganic materials such as cement, magnesium, and calcium silicate, or a panel manufactured by curing or firing using additives based on materials of each material. Or high-density fiberboard (HDF), medium-density fiberboard (MDF) formed by pressing under a press, T-Die, plastic molding, or plywood and melamine made of wood, Organic material panels such as composite molded panels such as

Adhesion of each of the transparent panel 20 and the interior layer 30, the interior layer 30, and the high-strength, refractory base material layer 50 may be directly attached during printing, or may be organic, such as acrylic, vinyl acetate, epoxy, silicone, or the like. Attach to each other using an inorganic adhesive.

The bonding condition of the transparent panel 20 in which the high strength brittle substrate layer 50 and the interior layer 30 are combined is 10 at a pressure of 5 to 50 kgf / cm 2 at an temperature of 150 to 250 ° C. using an epoxy adhesive. To 60 minutes by pressing, the processing conditions may be changed according to the type and properties of the adhesive.

FIG. 2 is a cross-sectional view of a flooring material according to a second embodiment of the present invention, in which the impact protection layer 40 is added between the interior layer 30 and the high strength brittle substrate layer 50 of FIG. 1. .

The impact protection layer 40 is a structure in which an absorbing layer is grafted by an impact to prevent damage of the transparent panel 20 in which the interior layer 30 is grafted by a large load and impact, and the transparent panel 20 by a large impact. It is used for the purpose of preventing the scattering of debris when cracking is caused by impact.

In general, the impact protection layer 40 may be a soft plastic sheet such as plasticized vinyl chloride sheet or rubber, and may use a shock absorbing layer of cushions generated through physical and chemical foaming. For the purpose of preventing the scattering of debris, not for the purpose of this shock absorption, a panel of metal and non-metallic material may be used as the impact protection layer 40.

3 is a cross-sectional view of a flooring material according to a second embodiment of the present invention, in which the shape is cut into a structure 60 that can be fitted to the lowest strength high-strength resistant base material layer 50 in the structure of FIG. 1 or 2. The structure is shown. The shape of the structure can be various, and the workability can be facilitated by processing the shape into a structure that can be fitted with a male and female, rather than simple adhesion during construction.

EXAMPLE

A calcium silicate panel was used as the high strength brittle substrate layer 50, and tempered glass was used as the transparent panel 20. The interior layer 30 formed a pattern through a screen printing technique using an acrylic organic pigment in the tempered glass. The printed glass interior panel was attached to the glass interior panel by drying the vinyl chloride sheet as an impact protection layer 40 through a drying process, and each layer was bonded to each other using an epoxy adhesive at 10 kgf / cm 2 at a temperature of 160 ° C. The pressure was applied by pressing for 30 minutes.

Comparative Example 1

A glass interior panel having no structure of the high strength brittle substrate layer 50, wherein a vinyl chloride sheet is attached to the lower portion of the glass interior panel.

Comparative Example 2

Honeycomb reinforcement attached to the bottom of the glass interior panel

[Test Example]

Table 1 measured the physical properties of the glass interior materials of Examples and Comparative Examples 1 and 2, the dropping test was measured by the height of the 280g iron ball broken when the impact.

Test Items Example Comparative Example 1 Comparative Example 2 importance 2.2 2.7 1.5 Compressive strength 15 Pa 5 Pa 8Pa Ball test 80 cm 10 cm 40 cm

According to Table 1, it can be seen that the interior panel of the present invention is superior in strength due to impact and load compared to the conventional panel.

1 is a cross-sectional view of the flooring according to the first embodiment of the present invention.

2 is a cross-sectional view of the flooring according to a second embodiment of the present invention.

3 is a cross-sectional view of the flooring according to a third embodiment of the present invention.

<Description of the symbols for the main parts of the drawings>

10: surface protective layer

20: transparent panel

30: Interior floor

40: impact protection layer

50: substrate layer

60: male and female fit structure

Claims (9)

A decorative material, characterized in that the high-strength, odor-resistant base material made of at least one material selected from inorganic or organic based on the transparent panel. The decorative material according to claim 1, wherein the inorganic base material is made of calcium silicate, magnesium or cement inorganic material, and the organic base material is made of plastic or wood-based organic material. The decorative material according to claim 1, wherein the transparent panel is a glass panel made of glass, tempered glass or a high transparent material. The decorative material according to claim 1, wherein at least one transparent panel and a substrate are attached. The decorative material according to claim 1, wherein an interior layer is further laminated between the transparent panel and the substrate, and the interior layer is a layer directly printed on the transparent panel or a sheet to which a shape is added. The decorative material according to claim 1, wherein an impact protection layer is further laminated between the transparent panel and the substrate, and the impact protection layer is at least one selected from soft plastic, foamed plastic, and metal. The decorative material according to claim 1, wherein a male and female fitting structure is formed on the substrate. The decorative material according to claim 1, wherein a surface protection layer is formed on the transparent panel, and the surface protection layer is formed of a UV coating layer or a ceramic coating layer. The decorative material according to claim 1, wherein the transparent panel and the substrate are laminated by an adhesive layer made of an organic or inorganic binder.

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