KR20110055113A - Embossing sheet structure of interior - Google Patents

Embossing sheet structure of interior Download PDF

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Publication number
KR20110055113A
KR20110055113A KR1020090112000A KR20090112000A KR20110055113A KR 20110055113 A KR20110055113 A KR 20110055113A KR 1020090112000 A KR1020090112000 A KR 1020090112000A KR 20090112000 A KR20090112000 A KR 20090112000A KR 20110055113 A KR20110055113 A KR 20110055113A
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KR
South Korea
Prior art keywords
layer
pet
polyethylene terephthalate
release paper
interior
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KR1020090112000A
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Korean (ko)
Inventor
김상석
Original Assignee
주식회사케이앤비
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Priority to KR1020090112000A priority Critical patent/KR20110055113A/en
Publication of KR20110055113A publication Critical patent/KR20110055113A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/30—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/26—Polymeric coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties

Abstract

The present invention is to use in a variety of products such as doors used in real life, such as doors, art walls, doors, etc. of the doors, doors, sinks, exterior molding of the chassis, exterior of home appliances, etc. It eliminates the monotony of existing high gloss coating and reduces productivity and work process, reducing not only the cost of producers, but also odor problems during coating and membrane work and lapping of plywood with unevenness that could not be expressed by existing artificial leather products. The present invention relates to an interior embossed sheet structure equipped with a fitting sheet to maximize interior effects by displaying various materials such as ABS DOOR, chassis exterior, molding, and interior film.

Concrete solution means of the interior embossed sheet structure provided with the present invention,

Polyethylene adhesively bonded to the polyethylene terephthalate (PET) base layer (100) and the polyethylene terephthalate (PET) base layer (100) sheeted with a hard polyethylene terephthalate (PET) in the extrusion form 100 ~ 300㎛ Polyurethane (PU) binder layer 200, the release paper 300 is provided with a myriad of emboss 301 on one side, and the polyurethane resin coating layer 400 coated with 0.02 ~ 0.04mm on one side of the release paper (300) ) And the release paper 300 coated with the polyurethane resin coating layer 400 and the polyurethane binder layer 200 are bonded and aged for 72 hours, and then the release paper 300 is peeled off.

The aged polyurethane resin coating layer 400 is provided with a transparent adhesive layer 500, and the polyethylene terephthalate (PET) or polyethylene terephthalate glycol (PETG) layer 600 is extruded and compressed thereon and the UV coating layer 700 thereon Formed by)) as its constitutional feature.

The present invention as described above, the eco-friendly interior sheet can be used for wallpaper, various pattern film, various wood pattern film to be attached to the surface of the furniture, the surface coating material of plywood, etc., in particular, the environmental pollutants emitted to the surface by the PET layer is blocked twice It is not only environmentally friendly but also easy to mold.

Furthermore, the transparent protective layer of the present invention having the above-described configuration has a favorable feature for forming the embossing as compared to the transparent protective layer of the conventional PET material, and also has excellent suitability for V-cutting and bending, a decorative sheet to replace PVC It can be used as a purpose.

Polyethylene terephthalate (PET) base layer, polyurethane (PU) binder layer, release paper, polyurethane resin coating layer, polyethylene terephthalate (PET) or polyethylene terephthalate glycol (PETG) layer

Description

Embossing sheet structure of interior with fitted sheet

The present invention is to use in a variety of products such as doors used in real life, such as doors, art walls, doors, etc. of the doors, doors, sinks, exterior molding of the chassis, exterior of home appliances, etc. It eliminates the monotony of existing high gloss coating and reduces productivity and work process, reducing not only the cost of producers, but also odor problems during coating and membrane work and lapping of plywood with unevenness that could not be expressed by existing artificial leather products. The present invention relates to an interior embossed sheet structure equipped with a fitting sheet for maximizing the interior effect by displaying various materials such as ABS door, chassis exterior, molding and interior film.

In general, PVC is low cost, heat resistant, and can take various forms in ductility and rigidity. As a raw material for flooring, medical equipment, automobile seat cover, wire insulator, interior sheet, signboard, or indoor and outdoor decorative sheet, It is used a lot.

As such, the vinyl chloride resin used in various applications has a remarkably low crystallinity, so that it is decomposed by light or heat, colored yellow or brown, or deteriorated in mechanical properties. Therefore, a stabilizer should always be formulated when manufacturing a sheet from vinyl chloride resin.

In addition, since the vinyl chloride resin is relatively rigid and brittle, when used in various sheets and films, phthalic acid plasticizers and adipic acid plasticizers may be added to impart ductility or elasticity.

Thus, a vinyl chloride sheet prepared by mixing a plasticizer and a stabilizer with vinyl chloride resin generally has a tensile strength of 4,000 to 8,000 g / in, an elongation of 100 to 1000%, a tear strength of 100 to 400 g / in, and It has a surface tension of 30 to 44 dyne / cm 2 , so it is not only excellent in cutting, elongation, printability and adhesiveness but also excellent in chemical resistance, scratch resistance, dimensional stability, etc. It is used as interior and exterior decoration sheet.

However, the vinyl chloride sheet used for such many uses releases a large amount of dioxins upon incineration. These dioxins were defined as Class 1 carcinogens that could be inherited by the World Health Organization in 1992, classified as environmental hormones by the World Wildlife Fund, and are usually produced as chemical contaminants in industrial processes containing chlorine or bromine. Occurs when burning compounds containing chlorine. In addition, since dioxin is chemically stable, it does not decompose when accumulated in the human body or is easily combined with other substances, so it does not disappear naturally, and it does not dissolve well in water. Accumulated in human or animal adipose tissue, even small amounts of ingestion are colorless carcinogens that accumulate in the human body and have fatal consequences. They are 10,000 times more toxic than cyanide and 1,000 times more toxic than saccharin.

As described above, due to the human hazards of vinyl chloride products, restrictions are imposed on vinyl chloride products in each country, and the situation for vinyl chloride products is getting narrower. In particular, Japan has mandated the use of building materials that meet the formaldehyde (HCHO) emission standards since July 2003. The same standards are applied to sales and imports. In Korea, the Ministry of Environment has confirmed and promulgated some amendments to the Enforcement Rules of the Indoor Air Quality Management Act, including multi-use facilities, with the main content of setting indoor air quality recommendation standards for new apartments. In line with the ever-increasing demand for environmentally friendly products and regulations, the company has continuously developed products to replace vinyl chloride sheets, which occupy most of the building materials.

Recently, a sheet of TPO (Thermoplastic Olefin), TPE (Thermoplastic Elastomer), or TPV (Thermoplastic Vulcanization) has been used as a substitute for vinyl chloride sheet.

As one example, Korean Patent No. 0429660 discloses mixing a predetermined amount of a cyclic olefin copolymer with a polyethylene resin to provide physical properties of a vinyl chloride sheet, elongation of 100 to 1000%, tensile strength of 4,000 to 8,000 g / in, and 100 to 400 g /. By implementing in-tear strength and surface tension of 30 to 44 dyne / cm 2 , durability, chemical resistance, scratch resistance, processability, flexibility and economicality as vinyl chloride sheet can be secured and further solve the harmful problem of vinyl chloride sheet. The present invention discloses a polyolefin sheet which is free of environmental hormones and is harmless to humans.

In addition, Korean Utility Model No. 0360252 discloses durability, chemical resistance, scratch resistance, processability, and the like of polyvinyl chloride sheet by laminating a polyolefin resin or laminating it with an adhesive or T-DIE sandwiching EVA with a T-DIE sandwich. In addition to securing economic feasibility, a carbon film is formed during a fire to prevent the drop phenomenon caused by the heat of the polyolefin sheet, and to solve the toxic problem of vinyl chloride sheet, an eco-friendly flameproof interior sheet is disclosed that is harmless to humans and the environment. .

However, the above-mentioned sheet is expensive and inferior in flexibility to the vinyl chloride sheet and generates static electricity even when using an antistatic agent, and has problems such as stain resistance, scratch resistance, and adhesiveness during surface coating.

On the other hand, polyester is a generic term for a polymer having an ester bond (-COO-) in its molecule, and is classified into a thermoplastic saturated polyester (SP) and an unsaturated polyester (UP) which is a thermoplastic resin. Polyethylene terephthalate (PET).

PET resin can be prepared using DMT (dimethyl terephthalate) or TPA (terephthalic acid) and EG (Ethylene glycole) as raw materials.

Figure 112009071071896-PAT00001

These PET resins are widely used in photographic films, copying films, food packaging films, sheets and the like, and are produced a lot for injection molding, but T-die is used as a method for producing sheets.

The PET film produced is one of the toughest films in the plastic film, and can be used as a thin film. The strength, transparency, impact resistance is large, the tensile strength is very excellent, and it can be used in a wide temperature range.

However, PET film has a disadvantage in that elongation is very poor compared to polyvinyl chloride resin and thus cannot be used for vacuum molding (membrane molding).

Researches are being made to improve these disadvantages, and a representative product thereof is glycol-modified polyethylene terephthalate glycol (PETG), which is a comonomer of CHDM to be suitable for transparent and thick sheets or containers which are difficult to manufacture with conventional PET resins. It is an amorphous resin copolymerized by adding (1,4-cyclohexanedimethanol).

Amorphous PETG resin can produce transparent products of any thickness that can be molded without whitening due to crystallization. Besides, it has bright color, excellent gloss, excellent printability, impact resistance, chemical resistance, and molding process under a wide range of conditions. It is an environmentally friendly resin that does not contain environmental hormones and does not generate harmful substances when disposed of incinerators.

These characteristics make PETG resin one of the most important polyester resins in the field of sheets, films, packaging materials and molded products.

Commercialization of PETG resin was first succeeded in the world by Eastman Chemical of the United States in the late 1970s and is the second commercial production in the world by SK Chemicals.

Thus, Korean Patent Invention No. 728662 proposes an eco-friendly interior sheet in which a printing layer and a transparent layer are formed of PETG resin by applying PETG resin having the above characteristics to a decoration sheet. However, in the case of a film made of only PETG resin, the manufacturing cost is higher than that of polyvinyl chloride products, so the application to the furniture and molding fields is almost inadequate.

In addition, the decoration sheet manufactured by using an olefinic thermoplastic elastomer (TPO, Thermoplasticolefine) resin blended with polyethylene (PE) and polypropylene (PP) as a base layer and CPP as a transparent layer has a price competitiveness compared to polyvinyl chloride products. However, there is a problem that cannot be vacuum forming due to lack of elongation and crack generation,

In the case of the decorative sheet which is adhesively printed and bonded using the CPP non-colored layer and transparent CPP, elongation is not superior to that of the PETG base layer, and cracks are generated in the printed layer during vacuum molding, and a primer treatment is required at the bottom of the base layer. There must be a problem indicating compatibility with universal adhesives.

The present invention for solving the above problems,

Doors used in real life, for example, doors such as farms, doors, sinks, points of art walls, exterior molding of chassis, exterior of home appliances, etc. Not only reduce the cost of producers by avoiding the monotony of high gloss coating, but also reduce the producer's cost. It is an object of the present invention to maximize the interior effect by expressing a variety of interior film, such as, chassis exterior, molding.

Specific solution means for achieving the above object,

"Polyurethane (PU) adhesively bonded to a polyethylene terephthalate (PET) base layer sheeted with a hard polyethylene terephthalate (PET) in the extrusion form 100 ~ 300㎛, and the polyethylene terephthalate (PET) base layer Adhesive bonding of a binder layer, a release paper provided with a myriad of embosses on one side, a polyurethane resin coating layer coated with 0.02 to 0.04 mm on one side of the release paper, a release paper coated with the polyurethane resin coating layer, and the polyurethane binder layer. After aging for 72 hours, the release paper was peeled off,

The aged polyurethane resin coating layer is provided with a transparent adhesive layer, and a polyethylene terephthalate (PET) or polyethylene terephthalate glycol (PETG) layer is extruded and pressed thereon and a UV coating layer formed thereon " By doing so, the above object can be achieved.

Eco-friendly interior sheet of the present invention through the above-described configuration can be used for wallpaper, various pattern film, various wood pattern film attached to the surface of the furniture, surface coating material of plywood, etc. Blocked in the middle, not only eco-friendly but also easy to mold.

Furthermore, the transparent protective layer of the present invention having the above-described configuration has a favorable feature for forming the embossing as compared to the transparent protective layer of the conventional PET material, and also has excellent suitability for V-cutting and bending, a decorative sheet to replace PVC It can be used as a purpose.

In the above, the present invention has been illustrated and described with reference to specific preferred embodiments, but the present invention is not limited to the above-described embodiments, and the present invention may be applied to those skilled in the art without departing from the spirit of the present invention. Of course, various changes and modifications are possible.

Hereinafter, the specific configuration and operation of the interior embossed sheet structure provided with the PTI sheet of the present invention will be described with reference to the drawings.

1 to 4 is a sequential cross-sectional view showing a manufacturing process in the interior embossed sheet structure of the present invention, Figures 5a to 7d is the test results of the present invention at the SSG Korea Co., Ltd. inspection organization for the interior embossed sheet structure of the present invention Report on.

The present invention adheres to the polyethylene terephthalate (PET) base layer 100 and the polyethylene terephthalate (PET) base layer 100 sheeted with hard polyethylene terephthalate (PET) 100 ~ 300㎛ by extrusion type Combined polyurethane (Polyurethane; PU) binder layer 200, a release paper 300 having a myriad of emboss 301 on one side, and a polyurethane resin coating layer coated with 0.02 ~ 0.04mm on one side of the release paper 300 400, the polyurethane resin coating layer 400 is coated with the release paper 300 and the polyurethane binder layer 200 is adhesively bonded and aged for 72 hours and then the release paper 300 is configured to peel off.

More preferably, as illustrated in FIG. 4, the aged polyurethane resin coating layer 400 includes a transparent adhesive layer 500 and a polyethylene terephthalate (PET) or polyethylene terephthalate glycol (PETG) layer 600 thereon. ) By extruding and forming a UV coating layer 700 thereon.

The present invention is to produce a preferred total thickness of 0.15 ~ 0.6mm and is produced by the calender method,

Briefly explain the manufacturing process,

 Extruded polyethylene terephthalate (PET) to form a polyethylene terephthalate (PET) base layer 100 sheeted to 100 ~ 300㎛ by extrusion, and then polyurethane (Polyurethane) on the polyethylene terephthalate (PET) base layer After the adhesive bonding of the PU binder layer 200, the polyurethane resin coating layer 400 is coated with 0.02 to 0.04 mm on one side of the release paper 300 having a myriad of emboss 301 on one side, and the polyurethane resin coating layer The release paper 300 coated with the 400 and the polyurethane binder layer 200 are adhesively bonded and aged for 72 hours, and then the release paper 300 is peeled off.

The present invention prepared as described above is shown in Figures 1 to 4,

As shown in FIG. 4, the polyurethane resin coating layer 400 is aged, and the transparent adhesive layer 500 is provided thereon, and the polyethylene terephthalate (PET) or polyethylene terephthalate glycol (PETG) layer 600 is extruded thereon. If the UV coating layer 700 is formed thereon, the emboss of various patterns having excellent diffuse reflection effect can be expressed on the surface of the PETG layer, and the surface layer for protecting the surface of the sheet is represented by the embossed pattern so that the surface solidification effect is not added. Improving the scratch resistance through the realization and UV treatment agent and forming a heat-resistant embossing can prevent the three-dimensional effect is lowered by the stretching and extinction by heat in the post-process. In particular, the use of a transparent PETG layer excellent in moldability can be added to the membrane molding can be used in various forms depending on the application without limitation.

1 to 4 is a sequential cross-sectional view showing a manufacturing process in the interior embossed sheet structure of the present invention,

5a to 7d is a report on the test results of the present invention from the Korea SSG Co., Ltd. inspection organization for the interior embossed sheet structure of the present invention.

   <Code Description of Main Parts of Drawing>

  100: polyethylene terephthalate (PET) base layer

  200: polyurethane (PU) binder layer

  300: release paper 301: emboss

  400: polyurethane resin coating layer

  500: transparent adhesive layer

  600: polyethylene terephthalate (PET) or polyethylene terephthalate glycol (PETG) layer

  700: UV coating layer

Claims (2)

Polyurethane adhesively bonded to the polyethylene terephthalate (PET) base layer 100 and the polyethylene terephthalate (PET) base layer 100 sheeted with a hard polyethylene terephthalate (PET) in the extrusion form 100 ~ 300㎛ (Polyurethane; PU) binder layer 200, the release paper 300 is provided with a myriad of emboss 301 on one side, and the polyurethane resin coating layer 400 coated with 0.02 ~ 0.04mm on one side of the release paper 300 And, the adhesive is bonded to the release paper 300 coated with the polyurethane resin coating layer 400 and the polyurethane binder layer 200 and aged 72 hours after peeling the release paper 300, characterized in that Interior embossed seat structure with seat. The method of claim 1, The aged polyurethane resin coating layer 400 is provided with a transparent adhesive layer 500, and the polyethylene terephthalate (PET) or polyethylene terephthalate glycol (PETG) layer 600 is extruded and compressed thereon and the UV coating layer 700 thereon Embossed seat structure for interior with a Piti sheet, characterized in that formed by forming a).
KR1020090112000A 2009-11-19 2009-11-19 Embossing sheet structure of interior KR20110055113A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101331228B1 (en) * 2011-12-02 2013-11-19 장순동 Manufacturing method of soft glitter sheet
KR102271496B1 (en) * 2020-03-18 2021-07-01 길동상사 주식회사 A eco-friendly decoration film

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101331228B1 (en) * 2011-12-02 2013-11-19 장순동 Manufacturing method of soft glitter sheet
KR102271496B1 (en) * 2020-03-18 2021-07-01 길동상사 주식회사 A eco-friendly decoration film

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