KR101898844B1 - Manufacturing device for deco-sheet, manufacturing method for deco-sheet, deco-sheet - Google Patents

Abstract

The present invention relates to a deco sheet manufacturing apparatus, a deco sheet manufacturing method, and a deco sheet manufactured by the method. More particularly, the present invention relates to a deco sheet manufacturing apparatus which manufactures and attaches a deco sheet having a printed layer on a surface of furniture made of wood, wherein the ink used in the printed layer acts as an adhesive so that no additional primer or adhesive is used to attach the deco sheet with patterns and letters printed on the printed layer on the surface of the furniture, a deco sheet manufacturing method, and a deco sheet manufactured by the method. According to the present invention, the printing ink used for forming the printed layer serves as an adhesive without using any adhesive or primer in a process of heat-bonding upper and lower layers in the process of manufacturing the deco sheet, thereby reducing the process or the manufacturing cost.

Description

TECHNICAL FIELD [0001] The present invention relates to a decorative sheet manufacturing apparatus, a decorative sheet manufacturing method, and a decorative sheet produced by the method. BACKGROUND OF THE INVENTION 1. Field of the Invention [0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a decorative sheet manufacturing apparatus, a decorative sheet producing method and a decorative sheet produced by the method, and more particularly, A decorative sheet manufacturing apparatus, a decorative sheet manufacturing method, and a decorative sheet manufacturing method, which make it possible to attach a decorative sheet expressed on a printed layer to a surface of a furniture without using a separate primer or an adhesive so that the ink used in the decorative sheet acts as an adhesive To a decorative sheet produced by the method.

In general, a synthetic resin sheet made of a material such as PP (polypropylene), PVC, or PET is attached to the surface of a flooring, a furniture, or an interior product to protect the wood and improve the appearance.

Of these, synthetic resin sheets using PVC are excellent in water resistance and oil resistance, and are widely used because they are not easily broken. However, not only are environmental hormones harmful to the human body detected in PVC, but also in the process of producing PVC products, There is a problem that dioxins are generated in the course of incineration of PVC, which has a detrimental effect on the human body.

In recent years, as interest in environmentally friendly materials has increased, PP or PET has been widely used instead of PVC. Particularly, PP material can be recycled without generating toxic gas during incineration, It is widely applied to flooring, furniture or interior products due to its advantage of not polluting.

As described above, a decorative sheet which is attached to the surface of a wood and protects it and displays a pattern or a letter is widely used. However, a technique for a synthetic resin sheet having a print layer for displaying patterns or characters has been developed.

FIG. 1 is a flow chart of a method of manufacturing a synthetic resin sheet according to an embodiment of the prior art, and FIG. 2 is a sectional view showing the structure of a sheet produced by the manufacturing method of FIG.

Referring to FIGS. 1 and 2, a conventional method for producing a synthetic resin sheet is a method for preparing a colored synthetic resin sheet and a semitransparent fabric, which serve as the basis of a sheet, and scratching the surface of the colored nonwoven fabric for printing by high voltage electric shock, The process proceeds to step S110.

At this time, the colored fabric for printing is made of any one of PP, PET, and paper.

Next, a primer providing an adhesive function is applied to the entire surface of the corona-treated printing colored fabric. (S120) At this time, the primer is composed of a main component of polyurethane, silica, special PVC and an HDT curing agent of isocyanate series. Can be used.

As described above, when primer coating is completed, the primer is coated on the top of the primer (S130). In this case, the primer may be a polyurethane-based two-component ink and an isocyanate-based TDI or MDI curing agent. Based ink of a vinyl acrylic type.

Next, a pattern is printed on the upper part of the bed (S140). In the pattern printing, a vinyl acrylic type or polyurethane type one-component type ink is preferably used.

As described above, when the pattern printing is completed, the primer is applied on the printed pattern (S150). At this time, the primer may be a polyurethane, silica, special PVC based main component and an isocyanate based HDT curing agent. A vinyl acrylic based ink auxiliary type resin can be used.

Finally, the primer is applied to the rear surface of the colored fabric for printing (S160). Preferably, the primer is made of polyurethane, silica, special PVC, and an isocyanate-based HDT curing agent.

2, the synthetic resin sheet is provided with a first primer layer 1 located at the lower end, a colored single-color printing layer 2 located at the upper surface of the first primer layer 1, A second primer layer 3 positioned on the upper surface of the colored monolayer 2, a ply layer 4 positioned on the upper surface of the second primer layer 3, A third primer layer 6 located on the upper surface of the print layer 5 and a fourth primer layer 7 located on the upper surface of the third primer layer 6, 7, a fifth primer layer 9 located on the upper surface of the translucent artificial layer 8, a coating layer 10 located on the upper surface of the fifth primer layer 3, ).

However, the synthetic resin sheet produced by such a process is adhered to the surface of furniture made of natural wood, MDF, LDF, or the like. In this adhesion process, an adhesive is used to prevent the synthetic resin sheet from falling off. However, it takes time to apply and cure the adhesive, and the cost increases because the process is increased.

KR 10-1522520 B1 KR 10-2011-0081667 A

In order to solve the above-described problems, the present invention forms a printing layer on the upper surface of a base formed with a printing layer made of a pattern or letter, and the printing ink used in the printing layer in the upper part and the lapping step acts as an adhesive, A decorative sheet manufacturing apparatus, a decorative sheet manufacturing method, and a decorative sheet manufactured by the method.

The present invention relates to a decorative sheet manufacturing apparatus, a decorative sheet manufacturing method, and a decorative sheet manufacturing method by which a heated decorative upper sheet and a lower sheet are adhered while heated in a lapping roller in an upper lapping process of upper and lower parts, respectively, And to provide a decorated decor sheet.

According to the present invention, there is provided an apparatus for manufacturing a decorative sheet for attaching to a surface of a furniture made of wood to protect and decorate the surface of the furniture, The upper feed roller 102 continuously feeding the upper feed roller 102; A lower feeding roller 108 for continuously feeding the lower leg 220; A primer roller 104 for applying a primer to the bottom surface of the first polypropylene layer 211 included in the upper body 210 to form a primer layer 212; A printing roller 110 for forming a printing layer 224 with printing ink on the upper surface of the upper primer layer 222 formed on the upper surface of the second polypropylene layer 221 included in the base 220; A first heating roller 106 for heating a top 210 passing through the primer roller 104; A second heating roller 112 for heating the foundation 220 passing through the printing roller 110; And a joining roller 114 for joining together the heated upper leg 210 and the lower leg 220 to produce a deco sheet 200.

The topsheet 210 includes a first polypropylene layer 211 and the base 220 includes a second polypropylene layer 221.

The first heating roller 106 heats the upper body 210 to a temperature of 105 ° C and the second heating roller 112 heats the base body 220 to a temperature of 115 ° C.

The first polypropylene layer 211 and the second polypropylene layer 221 are formed to have a thickness of 80 탆.

The printing ink used to form the printing layer 224 comprises 10 to 39 parts by weight of polystyrene as a synthetic resin derivative of an organic acid adduct; 60 to 90 parts by weight of cyclone hexane as an organic solvent; 0.02 to 0.2 part by weight of maleic anhydride; And 0.5 to 1.5 parts by weight of propylene glycol monomethyl ether.

According to another embodiment of the present invention, there is provided a method of manufacturing a decor sheet using the above-described manufacturing apparatus, comprising: a first step of supplying upper and lower parts 210 and 220, respectively; A second step of forming a primer layer 212 on the lower surface of the upper body 210 and forming a printing layer 224 on the upper surface of the lower body 220; A third step of heating the upper body 210 and the lower body 220 to 105 占 폚 and 115 占 폚 respectively while passing through the first heating roller 106 and the second heating roller 112; A fourth step of putting the upper body 210 and the laminate into a lapping roller 114 and laminating the same into a single sheet while being heated to a temperature of 145 ° C; And a fifth step of putting the lapped sheet into the embossing roller 116 to carry out a surface treatment process, and winding the lapped sheet on the take-up roller 118 to ship the finished product.

According to another embodiment of the present invention, there is provided a decorative sheet produced by the above-described method for manufacturing a decorative sheet.

According to the present invention, printing ink used for forming a printing layer acts as an adhesive without using a separate adhesive or primer in a process of thermally bonding the upper and lower parts in the process of manufacturing a decorative sheet, It is effective.

1 is a flow chart of a method of manufacturing a synthetic resin sheet according to an embodiment of the prior art;
2 is a cross-sectional view showing a structure of a sheet produced by the manufacturing method of FIG.
3 is a sectional view showing a configuration of an apparatus for manufacturing a decorate sheet according to an embodiment of the present invention.
Fig. 4 is a sectional view showing the structure of the upper and lower limbs. Fig.
5 is a sectional view showing a state in which a decor sheet is attached to the surface of furniture.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS " A deco sheet manufacturing apparatus, a deco sheet manufacturing method, and a deco sheet manufactured by the method "according to an embodiment of the present invention will be described below with reference to the drawings.

Fig. 3 is a cross-sectional view showing a configuration of an apparatus for manufacturing a decor sheet according to an embodiment of the present invention, Fig. 4 is a sectional view showing the structure of the upper and lower legs, and Fig. 5 is a sectional view showing a state in which the decor sheet is attached to furniture surfaces.

The present invention discloses a process and an apparatus for manufacturing a decorative sheet used for protecting and decorating a material by attaching it to the surface of a product made of wood such as furniture, a door, and an interior structure. Hereinafter, a "deco sheet manufacturing apparatus" (hereinafter referred to as a "manufacturing apparatus") according to an embodiment of the present invention will be described first, and a method for manufacturing a decor sheet using the deco sheet will be described.

The manufacturing apparatus 100 of the present invention can be applied to a deco sheet 210 in which a top 210 and a bottom 220 are joined together through a thermal lining process while supplying an upper plate 210 and a lower plate 220 constituting the decor sheet 200 200). The rollers described in the present invention perform an operation such as applying a pressure while applying a film, paper, sheet or the like continuously, printing a pattern or letter on the surface, applying an adhesive or a primer, or the like.

The upper and lower limbs 210 and 220 are continuously fed from the upper feed roller 102 and the lower feed roller 108, respectively.

The upper and lower parts 210 and 220 commonly have a film layer made of polypropylene (PP), and further printing ink, primer, adhesive or the like is applied to the upper or lower surface of the polypropylene layer.

Polypropylene is a thermoplastic resin obtained by polymerizing propylene. It is produced together with ethylene when naphtha is decomposed in a petrochemical plant. It is easily synthesized by making a chitin catalyst (typically a complex salt of titanium trichloride and diethyl aluminum chloride) in a nucleic acid, and passing propylene at about 70 ° C and 5 atm. Has an isotactic structure, and thus the methyl groups are aligned in the same direction in the same direction. The melting point is 165 ° C, and continuous use at 110 ° C is possible under load (load). The density is 0.9 to 0.91, and the degree of crystallinity is large, but after molding, it drops to 70% or less. Its electrical properties are excellent because it consists of only carbon and hydrogen, and it is comparable to polyethylene.

Polypropylene is one of the four generic resins together with polyethylene, PVC, and polystyrene, and the weight of the thermoplastic resin is 24%. It is also advantageous in terms of cost and environment. Applications include packaging films, stretching tapes, textiles, clothing, carpets, pipes, daily necessities, toys, industrial parts, and containers.

The base 220 is a bottom film adhered to the surface of the furniture 300 so that the surface of the furniture 300 can be protected while the printing layer 224 can be formed on the surface. Further, an adhesive is applied to the bottom surface so as to firmly adhere to the surface of the furniture 300.

The upper limb 210 is attached to the surface of the lower limb 220 and protects the lower limbs 220 and the pattern or characters. The topsheet 210 protects the bottoms 220 and the pattern or characters formed on the bottoms 220 are preferably exposed to the outside, so that it is preferable that the tops 210 are made of transparent or translucent material.

The upper and lower legs 210 and 220 use a polypropylene resin as a base and are defined as a first polypropylene layer 211 and a second polypropylene layer 221, respectively. The first polypropylene layer 211 and the second polypropylene layer 221 have a thickness of approximately 50 to 100 mu m, and it is most preferable to form the film so as to have a thickness of 80 mu m.

The upper feed roller 102 feeds a film made of the first polypropylene layer 211. The primer roller 104 forms a primer layer 212 by applying a primer to the bottom surface of the first polypropylene layer 211 fed from the upper feed roller 102. The primer supplied to the upper limb 210 is preferably one-component.

The upper sheet 210 on which the primer layer 212 is formed on the bottom surface of the first polypropylene layer 211 is heated by the first heating roller 106. [ The first heating roller 106 heats the upper limb 210 to a temperature of about 100 to 110 ° C, preferably to 105 ° C.

The lower feed roller 108 continuously feeds the primer coated with the primer on the upper and lower surfaces of the second polypropylene layer 221. The foundation 220 supplied from the lower supply roller 108 has a structure in which an upper primer layer 222 and a lower primer layer 223 are formed on the upper and lower surfaces of the second polypropylene layer 221, respectively.

The base 220 having the upper primer layer 222 and the lower primer layer 223 formed on the upper and lower surfaces of the middle second polypropylene layer 221 is inserted into the printing roller 110 to form the printing layer 224, . Preferably, the print layer 224 is formed on the upper surface of the upper primer layer 222, and various types of contents such as patterns, letters, and repeated patterns can be realized. The printing roller 110 applies a printing ink to the upper surface of the upper primer layer 222 to express a pattern or letter. The printing roller 110 may have printing ink in various forms, ≪ / RTI > So that the printing ink can simultaneously serve as an adhesive to bond the upper and lower legs 210 and 220 together.

The foundation 220 on which the printing layer 224 is formed is put into the second heating roller 112 and heated for the preliminary treatment. The second heating roller 112 heats the foundation 220 at a temperature of about 110 to 120 ° C, and preferably it is heated to 115 ° C to prevent lifting of the sheet.

The topsheet 210 on which the primer layer 212 has been formed on the bottom and the base 220 on which the printing layer 224 has been formed on the top side are put into the laminating roller 114 and put together into one sheet. The lapping roller 114 combines the topsheet 210 and the bottoms 220 into one sheet while heating them, and is heated to a temperature of approximately 140 to 150 ° C. Preferably 145 DEG C, thereby preventing the film from being damaged and securing the adhesive firmly.

When an infrared heater (IR heater) is used, the heating is sufficiently performed even at a temperature of about 120 ° C. It is preferable that the speed of the upper and lower legs 210 and 220 inserted into the lapping roller 114 is about 20 m / min.

The upper and lower legs 210 and 220 are joined together by the lapping roller 114 to complete the decor sheet 200 and the embossing roller 200 is inserted into the embossing roller 116 to embody three-dimensional irregularities and embossing effects in addition to patterns and characters. The embossing roller 116 is also heated while being heated to a temperature of about 80 to 100 DEG C, preferably to 90 DEG C.

The deco sheet 200 completed to the three-dimensional effect by the embossing roller 116 is wound on the take-up roller 118 and released as a finished product.

5, the decor sheet 200 having the upper and lower legs 210 and 220 is completed and attached to the surface of the furniture 300 through the adhesive layer 400 And furniture with engraved letters or letters is completed.

The printing ink used to form the printing layer 224 of the present invention is also used as an adhesive for bonding the upper and lower legs 210 and 220 in addition to the function of displaying patterns and characters. For this purpose, the printing ink is prepared by mixing a synthetic resin, an organic solvent, a derivative of an organic acid adduct, and other additives.

The printing ink used for forming the printing layer 224 includes 10 to 39 parts by weight of synthetic resin based on the entire printing ink. The synthetic resin used in the present invention is a derivative of an organic acid adduct (for example, a styrene polymer, etc.), and is typically a polystyrene.

And 60 to 90 parts by weight of an organic solvent based on the entire printing ink. Cyclone hexane is mainly used as an organic solvent.

And 0.02 to 0.2 part by weight of maleic anhydride based on the whole printing ink.

Maleic anhydride is obtained as an by-product of the production of phthalic anhydride by gas phase oxidation of naphthalene by subjecting benzene to air oxidation using a catalyst such as vanadium oxide or molybdenum oxide.

The maleic acid can also be dehydrated by heating. Acetylmaleic anhydride may be obtained by pyrolysis, and chlorosuccinic acid or bromosuccinic acid may be obtained by dehydrohalogenation.

And 0.03 to 0.3 part by weight of an additive for improving adhesion and stabilizing the print layer 224. [ The additive is an optional component and can be excluded.

And 0.5 to 1.5 parts by weight of propylene glycol monomethyl ether based on the entirety of the printing ink.

By using a printing ink composed of such a composition, a pattern or a letter is formed on the printing layer 224 of the base 220, so that it can act as an adhesive in the lapping process of the upper 210.

The composition characteristics of such printing inks may vary in detail. Further, in order to express colors such as blue, red, and yellow, additional dye may be added.

In order to produce a black ink, 5 to 10 parts by weight of carbon black containing carbon as a main ingredient is added. Preferably, the carbon black has a CAS registration number of 1333-86-4.

The CAS (Chemical Abstract Service) is a number that records all the compounds, polymers, and the like known so far. It is a service run by the American Chemical Society and allows you to find all chemicals without duplication.

In the case of the blue ink, 5 to 10 parts by weight of a pigment blue dye (CAS registration number 8050-09-7) is added. In the case of the yellow ink, 5 to 10 parts by weight of Pigment Yellow dye (CAS registration number 5567-15-7) is added. In the case of a red ink, 5 to 10 parts by weight of Pigment Red dye (CAS Registration No. 61951-98-2) is added.

In manufacturing the decor sheet 200 using the printing ink, the upper and lower parts 210 and 220 are supplied first.

A primer layer 212 is formed on the lower surface of the upper body 210 and a printed layer 224 is formed on the upper surface of the base 220.

Then, the upper body 210 and the lower body 220 are heated to 105 ° C and 115 ° C, respectively, while passing through the first heating roller 106 and the second heating roller 112.

The heated upper limb 210 and the lower limb 220 are put into the lapping roller 114 and heated to a temperature of 145 ° C to form a single sheet.

Finally, it is put into an embossing roller 116 and subjected to a surface treatment process, and when it is finished, it is wound around a take-up roller 118 and shipped as an end product.

While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, As will be understood by those skilled in the art. Therefore, it should be understood that the above-described embodiments are to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than the foregoing description, It is intended that all changes and modifications derived from the equivalent concept be included within the scope of the present invention.

100: Manufacturing apparatus 102: Upper supply roller
104: primer roller 106: first heating roller
108: Lower feed roller 110: Print roller
112: second heating roller 114: lapping roller
116: embossing roller 118: take-up roller
200: Deco sheet 210: upper limb
211: first polypropylene layer 212: primer layer
220: lower 221: second polypropylene layer
222: upper primer layer 223: lower primer layer
224: Printed layer 300: Furniture
400: adhesive layer

Claims (7)

A decorative sheet manufacturing apparatus for attaching to a surface of a furniture (300) made of a wood material to protect and decorate the surface of the furniture (300)
An upper feed roller 102 for continuously feeding upper limb 210;
A lower feeding roller 108 for continuously feeding the lower leg 220;
A primer roller 104 for applying a primer to the bottom surface of the first polypropylene layer 211 included in the upper body 210 to form a primer layer 212;
A printing roller 110 for forming a printing layer 224 with printing ink on the upper surface of the upper primer layer 222 formed on the upper surface of the second polypropylene layer 221 included in the base 220;
A first heating roller 106 for heating a top 210 passing through the primer roller 104;
A second heating roller 112 for heating the foundation 220 passing through the printing roller 110;
And a joining roller (114) for joining the heated upper leg (210) and the lower leg (220) to produce a deco sheet (200)
The printing ink used for forming the printing layer 224 is based on the entire printing ink
10 to 39 parts by weight of a polystyrene which is a derivative of an organic acid adduct as a synthetic resin;
60 to 90 parts by weight of cyclone hexane as an organic solvent;
0.02 to 0.2 part by weight of maleic anhydride;
And 0.5 to 1.5 parts by weight of propylene glycol monomethyl ether. The method according to claim 1,
Characterized in that the upper body (210) comprises a first polypropylene layer (211) and the lower body (220) comprises a second polypropylene layer (221). The method according to claim 1,
Wherein the first heating roller 106 heats the upper body 210 to a temperature of 105 ° C and the second heating roller 112 heats the lower body 220 to a temperature of 115 ° C. Deco sheet manufacturing equipment. 3. The method of claim 2,
Wherein the first polypropylene layer (211) and the second polypropylene layer (221) are made to have a thickness of 80 mu m. delete A method of manufacturing a decorative sheet using the manufacturing apparatus according to any one of claims 1 to 4,
A first step of supplying upper and lower limbs 210 and 220, respectively;
A second step of forming a primer layer 212 on the lower surface of the upper body 210 and forming a printing layer 224 on the upper surface of the lower body 220;
A third step of heating the upper body 210 and the lower body 220 to 105 占 폚 and 115 占 폚 respectively while passing through the first heating roller 106 and the second heating roller 112;
A fourth step of putting the upper and lower legs 210 and 220 into a lapping roller 114 and laminating the same into a single sheet while being heated to a temperature of 145 ° C;
And a fifth step of putting the lapped sheet into the embossing roller 116 to undergo a surface treatment process and, when the laminating is completed, winding the laminated sheet on the take-up roller 118 and shipping it to the finished product. A decor sheet produced by the method of claim 6.

Images