KR100930345B1 - Apparatus for manufacturing blanket sheet of sheet-type - Google Patents

Abstract

PURPOSE: An apparatus for manufacturing a blanket sheet of sheet-type is provided to reduce product loss in comparison to a conventional roll type blanket sheet by performing a silicon coating and hardening at the same time. CONSTITUTION: In a device, a PET fabric(210) of a sheet type is arranged on a coating table(110). A slot die(120) is installed on the coating table and coat a silicon coating surface(220) on the PET fabric of the sheet type. A first silicon curing machine(140) harden the silicon coated on the PET fabric of the sheet type. A coating process by the slot die and hardening process by the first silicon curing machine are performed at the same time. The slot die and the first silicon curing machine together move on the coating table in the horizontal direction. The first silicon curing machine is an ultraviolet curing system hardening the coated silicon with an ultraviolet ray(UV) lamp.

Description

Blanket sheet manufacturing apparatus of a sheet type {Apparatus for manufacturing blanket sheet of sheet-type}

The present invention relates to an apparatus for producing a blanket sheet, and more particularly, to an apparatus for manufacturing a blanket sheet by forming a silicon coating surface on a sheet-type PET fabric.

Generally, as a method of forming the upper or lower electrode of a plasma display panel (PDP), there are a photosensitive electrode paste printing method, a printing method using an electrode green sheet, an offset printing method, and the like. PDP refers to an imaging device equipped with an element that displays characters or graphics by using light emitted from a plasma generated during gas discharge.

In the electrode paste printing method, a black matrix layer is formed by printing a photosensitive black matrix paste on a transparent electrode layer on a PDP upper plate or a lower plate, drying the entire upper plate or the lower plate on which the black matrix layer is formed, and then masking the black matrix. Exposure is carried out using. Subsequently, an electrode paste is printed on the black matrix layer subjected to the exposure, and the electrode paste is formed and dried in the same manner as the black matrix layer forming method. Next, a pattern exposure is performed using an electrode mask, and after the exposure is completed, a pattern is formed through a developer, and a firing method forms a PDP upper plate bus electrode or a PDP lower plate address electrode through firing.

In the electrode green sheet method, an electrode green sheet formed of a photosensitive organic material and an electrode powder is laminated and placed on an upper or lower plate of a PDP, and then exposed and developed with a pattern mask to form a pattern, followed by firing a bus electrode. Or a method of forming an address electrode.

The electrode paste printing method and the electrode green sheet method require a printing machine and a mask for printing for the printing and drying process, and also require a drying process, resulting in large time and space consumption, and at least half of the electrode material formed in printing during development. There was a disadvantage in that the material cost loss was very large.

As a method of forming a bus electrode of the upper PDP or an address electrode of the lower PDP to compensate for these disadvantages, an offset printing method has recently been developed.

1A is a diagram illustrating a general offset printing process, and FIG. 1B is a sectional view of a blanket sheet.

Referring to FIG. 1A, in a general offset printing method, the paste 40 is first printed on the blanket sheet 10 serving as an intermediary without directly printing the paste 40 on the substrate 30, and then the blanket sheet ( The paste 40 transferred to 10) is printed on the substrate 30 again. Such an offset printing method has the advantage of easy mass production and simple manufacturing process.

The blanket roll 20 used in such an offset printing method is formed in a cylindrical shape and rotatably provided, and the blanket sheet 10 is wound along the circumferential direction on the outer circumferential surface thereof.

Referring to FIG. 1B, the blanket sheet 10 is a laminated sheet used in a process of forming an offset printing method when forming an electrode on a PDP substrate, and includes a PET (Poly Ethylene Terephthalate) fabric 11 and a primer. 12) and the silicon coated surface 13. In the case of offset printing, the surface actually used is the silicon coated surface 13.

The silicon coated surface 13, which is the outer circumferential surface of the blanket sheet 10, is first printed by applying paste 40 along the thickness direction. Thereafter, the paste 40 printed on the silicon coating surface 13 is printed on the glass substrate 30 side again.

Specifically, in the offset printing method according to the prior art, the paste 40 is first applied to the silicon coating surface 13 of the blanket sheet 10, and the blanket sheet 10 is brought into contact with the glass substrate 30. After the paste 40 is first printed on the silicon coated surface 13 of the blanket sheet 10 while the blanket roll 20 is rotated, the paste 40 is transferred to the glass substrate 30. As a result, a bus electrode or an address electrode may be formed on the glass substrate 30.

At this time, if the surface hardness of the blanket sheet 10 is too hard, the deformation at the time of transfer becomes small, and the fall of ink transfer property occurs. On the contrary, when too soft, the printing accuracy will fall because the deformation | transformation at the time of transfer becomes large, and about 20-70 is preferable for JIS A hardness.

2 is a configuration diagram of a blanket sheet manufacturing apparatus of a roll type according to the prior art.

Referring to FIG. 2, the roll type blanket sheet manufacturing apparatus 50 according to the related art includes a first unwinder 51, a primer coating part 52, a primer curing chamber 53, A first rewinder 54, a second unwinder 55, a silicon coating 56, a silicon curing chamber 57, and a second rewinder 58, from the first unwinder 51. The first rewinder 54 uses the process line indicated by reference A, and the second unwinder 55 to the second rewinder 58 uses the process line indicated by the reference B. FIG. In addition, the primer coating unit 52 may be a gravure printing coating unit, and the silicon coating unit 56 may be a comma coating unit coating unit.

In gravure printing, ink is retained in a cell formed in a pattern shape by etching or the like on the metal cylinder surface, and transferred to the substrate. Gravure printing is characterized by low resin content and high speed production of 300m / min by low viscosity ink using solvent or water as a medium. Also, print quality can be continuously produced by changing cell depth. It is known as a printing method which can obtain printed matter with a high density. In addition, since the range of ink resin selection is relatively wide in accordance with the adhesion request to the base film, printing on various films is possible. The thickness of the ink film in gravure printing is about 3-10 micrometers normally.

In addition, the comma coating method is suitable for coating a coating liquid with a viscosity of 500 to 500,000 cps at a speed of 0.1 to 100 m / min. A clean surface can be obtained. It is a coating method that is applied to various fields.

In the blanket sheet manufacturing apparatus 50 according to the prior art, the process line shown by reference numeral A is a first step, which is a process of coating a primer by a gravure coating method. In addition, the process line shown by reference numeral B is a second step, a process of coating the silicon coating surface by a comma coating method.

According to the prior art, the primer 12 plays a role of mediating the PET fabric 11 and the silicon coated surface 13, but it must be kept in a semi-solid state in its function, but A process line and B process according to the prior art When the process is separated by a two-stage process of the line, it takes a lot of time by performing two coatings with different process lines, and the primer 12 and the silicon coating surface 13 are not completely bonded in the first rewind process. There is a problem that the primer 12 is grounded on the back of the PET fabric 11. On the other hand, when the primer 12 is manufactured to be completely solid, there is a problem in that the traction force between the PET fabric 11 and the silicon coating surface 13 in the subsequent process falls.

On the other hand, in general, when the silicon coating on the PET fabric, using a method of coating the silicone on the primer coated PET fabric, or a method of coating the silicon secondly after the primer (primer) is first coated do. However, these methods are somewhat delayed, there is a problem that the transfer to the back of the silicon coating surface is affected the coating of the silicon. In addition, since the blanket sheet 110 manufactured according to the related art is manufactured in a roll method from the unwinder 120 to the rewinder 170, product loss due to the manufacture of a roll type blanket sheet is increased, There is a problem that the production time to the finished product is delayed.

The technical problem to be solved by the present invention for solving the above-described problems, by performing the coating and curing of the silicon coating surface on the sheet-type PET fabric disposed on the coating table at the same time, the conventional roll type To provide a sheet-type blanket sheet manufacturing apparatus that can reduce product loss compared to the blanket sheet of.

In addition, another technical problem to be solved by the present invention for solving the above-mentioned problems is, by simultaneously performing the coating and curing of the silicone coating surface on the sheet-type PET fabric disposed on the coating table, An object of the present invention is to provide a sheet type blanket sheet manufacturing apparatus capable of reducing time and work space.

As a means for achieving the above-described technical problem, the sheet-type blanket sheet manufacturing apparatus according to the present invention, to manufacture a blanket sheet by coating and curing a silicone coated surface on a PET (Poly Ethylene Terephthalate) fabric An apparatus, comprising: a coating table on which a sheet-type PET fabric is placed; A slot die mounted on the coating table and coating a silicon coating surface on the sheet-type PET fabric; And a first silicon curing machine disposed to be adjacent to the slot die and curing the silicon coated on the sheet-type PET fabric, wherein the coating process by the slot die and the curing process by the silicon curing machine are simultaneously performed. It is characterized by.

Here, the slot die and the first silicon curing machine is characterized in that the coating and curing the silicone coating surface coated on the PET fabric while moving in the horizontal direction together on the coating table, respectively.

Here, the first silicon curing machine may be an ultraviolet curing machine for curing the coated silicon by an ultraviolet (UV) lamp, the first silicon curing machine may be a heat curing machine for curing the coated silicon by hot air.

Here, after the silicon curing is first performed by the first silicon curing machine, and further comprises a second silicon curing machine for secondary curing the first hardened silicon coating surface, the second silicon curing machine is coated It may be a heat curing machine for curing the silicon by hot air.

Here, the coating table is characterized in that the flat operation of the surface of the coating table is performed in advance for the flat coating of the silicon coating surface.

Here, the PET fabric is characterized in that the sheet-type PET fabric processed primarily to fit the size of the blanket sheet product.

On the other hand, as another means for achieving the above-described technical problem, the sheet-type blanket sheet manufacturing apparatus according to the present invention, the apparatus for producing a blanket sheet by coating and curing a silicone coated surface on a PET (Poly Ethylene Terephthalate) fabric A coating table in which a sheet-type PET fabric is disposed; A slot die mounted on the coating table and coating a silicon coating surface on the sheet-type PET fabric; And an ultraviolet curing machine disposed to be adjacent to the slot die and curing the silicon coated on the sheet-type PET fabric, wherein the coating process by the slot die and the curing process by the ultraviolet curing machine are simultaneously performed. It features.

Here, the slot die and the ultraviolet curing machine is characterized in that the coating and curing the silicone coated surface coated on the PET fabric while moving in the horizontal direction together on the coating table, respectively.

Here, after the silicone curing is primarily performed by the ultraviolet curing machine, the first curing the silicone coating surface may further include a heat curing machine for curing the secondary.

According to the present invention, by simultaneously coating and curing the silicon coated surface on the sheet-type PET fabric disposed on the coating table, it is possible to reduce product loss compared to the conventional roll-type blanket sheet. .

According to the present invention, by simultaneously performing the coating and curing of the silicon coated surface on the sheet-type PET fabric disposed on the coating table, it is possible to reduce the coating time and work space.

DETAILED DESCRIPTION Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. In the drawings, parts irrelevant to the description are omitted for simplicity of explanation, and like reference numerals designate like parts throughout the specification.

First, the electrode formation method of the conventional PDP top plate is a method of scraping and removing the non-electrode part after coating the silver (Ag) as a whole, but using the offset method using the current blanket sheet (blanket sheet) In this case, the bus electrode or the address electrode width is printed accurately, so that a clearer picture quality can be realized. The offset method using such a blanket sheet can be applied to mass production of PDP.

As an embodiment of the present invention, there is provided a blanket sheet silicon coating and curing apparatus that can shorten the coating time of the silicon coated surface by a table coating method, and improve the quality of the silicon coated surface by using a UV curing method.

3 is a configuration diagram of a sheet type blanket sheet manufacturing apparatus according to an embodiment of the present invention.

Referring to FIG. 3, the sheet type blanket sheet manufacturing apparatus 100 according to the embodiment of the present invention may include a coating table 110, a slot die 120, a silicon coating liquid 130, and an ultraviolet ray ( UV) hardener 140. In this case, the blanket sheet 200 may be made of a PET fabric 210 and a silicon coating surface 220, the primer (not shown) may be coated on the PET fabric 210 first. In addition, the PET fabric 210 may be a sheet-type PET fabric processed primarily to fit the size of the blanket sheet 200 product.

In the coating table 110, a sheet-type PET fabric 210 is disposed, and a blanket sheet 200 is manufactured by coating and curing a silicon coating surface on a sheet-type PET fabric. Done. The coating table 110 is pre-worked with the flat surface 111 of the coating table for the flat coating of the silicon coating surface.

The slot die 120 is mounted on the coating table 110 to coat a silicon coating surface on the sheet-type PET fabric 210. Since the coating by the slot die 120 is apparent to those skilled in the art, a detailed description of the coating method is omitted.

The ultraviolet (UV) curing machine 140 is disposed to be adjacent to the slot die 120, and cures the silicon coated on the sheet-type PET fabric 210. Here, a heat curing machine may be used instead of the ultraviolet curing machine 140.

At this time, the coating process by the slot die 120 and the curing process by the ultraviolet curing machine 140 is performed at the same time. In addition, the slot die 120 and the ultraviolet curing machine 140 may be coated and cured, respectively, the silicon coating surface coated on the PET fabric 210 while moving in the horizontal direction together on the coating table 110.

Specifically, the ultraviolet (UV) curing machine 140 irradiates the ultraviolet rays generated by the UV lamp 141 to UV resins such as paints, inks, and adhesives having a UV function to cause a photopolymerization reaction to instantly cure the UV resins. Device. UV curing is characterized by instant curing and low temperature curing. In addition, UV curing can improve product productivity by instant curing within a few seconds, maximize the space utilization by the small amount of equipment, it is possible to realize low cost and high efficiency due to increased productivity.

In other words, UV curing is not present in the existing line, while moving the UV curing machine 140, the silicon coating surface coated by the slot die 120 can be quickly cured to suit the curing conditions, the conventional hot air curing chamber Compared with setting the temperature required for curing by adjusting the air supply amount at, by adjusting the UV irradiation amount to set the optimum conditions, it is possible to prevent the defect of the silicon coating surface, which is a problem that occurs.

In addition, since the sheet-type blanket sheet manufacturing apparatus 100 according to the embodiment of the present invention is subjected to a single coating and curing process at the same time, it is possible to quickly and simply coat and process without delay for a long time, accordingly PET Product loss of the fabric 210 can be reduced.

On the other hand, Figure 4 is a view showing a blanket sheet manufacturing apparatus provided with an ultraviolet curing machine and a thermal curing machine according to an embodiment of the present invention.

Referring to FIG. 4, the blanket sheet manufacturing apparatus 100 including an ultraviolet curing machine and a thermal curing machine according to an embodiment of the present invention includes a coating table 110, a slot die 120, a silicone coating solution 130, and an ultraviolet curing machine. 140 and thermal curing machine 150.

Specifically, in the blanket sheet manufacturing apparatus 100 provided with an ultraviolet curing machine and a thermal curing machine according to an embodiment of the present invention, after the primary curing by the ultraviolet curing machine 140, the PET fabric to the thermal curing machine 150 The silicone coated surface that is transferred and cured primarily indicates that it can be cured second.

That is, the blanket sheet manufacturing apparatus 100 provided with the ultraviolet curing machine and the thermal curing machine according to an embodiment of the present invention, the UV curing method and the thermal curing method while mounting the thermal curing machine 150 together with the ultraviolet curing machine 140. It can be mixed to produce a sheet type blanket sheet, or a sheet type blanket sheet unsuitable for UV curing. For example, in the case of producing a sheet type blanket sheet that is not suitable for UV curing, it is possible to carry out thermal curing by transferring PET fabric to the thermal curing machine 150 without performing curing in the UV curing machine 140. At this time, in the heat curing machine 150, the PET fabric may be moved using the roller 160 and the belt 170.

5 is a figure which shows the thermosetting machine of the blanket sheet manufacturing apparatus which concerns on the Example of this invention.

Referring to FIG. 5, the thermosetting machine 150 of the blanket sheet manufacturing apparatus according to the embodiment of the present invention includes a plurality of suction ports 151a to 151c, oils 152a to 152c, and a temperature maintaining room 153a to. 153c and outlets 154a to 154c, and the construction and operation of the heat curing machine 150 will be apparent to those skilled in the art, and thus detailed description thereof will be omitted. In addition, other types of thermosets may be used instead of the thermosets 150 of the type shown in FIG. 5.

As a result, the sheet-type blanket sheet manufacturing apparatus according to the embodiment of the present invention can prevent defects in the bubble shape occurring between the back surface of the PET fabric and the silicon coating surface, thereby improving the quality of the silicon coating surface. In addition, the sheet-type blanket sheet manufacturing apparatus according to an embodiment of the present invention can shorten the time for forming the silicon coated surface on the PET fabric, by simplifying the operation until the completion of the silicon coated surface on the PET fabric Work efficiency can be increased.

In addition, it is apparent to those skilled in the art that the blanket sheet manufacturing apparatus according to the embodiment of the present invention may be used for electrode printing of PDP or TFT LCD, or may be used for copper foil coating used for EMI mesh.

The description of the present invention is for the purpose of illustration, and it will be understood by those skilled in the art that the present invention may be easily modified in other specific forms without changing the technical spirit or essential features of the present invention. Therefore, it should be understood that the embodiments described above are exemplary in all respects and not restrictive.

The scope of the present invention is shown by the following claims rather than the above description, and all changes or modifications derived from the meaning and scope of the claims and their equivalents should be construed as being included in the scope of the present invention. do.

1A is a diagram illustrating a general offset printing process, and FIG. 1B is a sectional view of a blanket sheet.

2 is a configuration diagram of a blanket sheet manufacturing apparatus of a roll type according to the prior art.

3 is a configuration diagram of a sheet type blanket sheet manufacturing apparatus according to an embodiment of the present invention.

4 is a view showing a blanket sheet manufacturing apparatus having an ultraviolet curing machine and a thermal curing machine according to an embodiment of the present invention.

It is a figure which shows the thermosetting machine of the blanket sheet manufacturing apparatus which concerns on the Example of this invention.

BRIEF DESCRIPTION OF THE DRAWINGS

100: blanket sheet manufacturing apparatus 200: blanket sheet

110: coating table 111: table flat surface

120: slot die 130: silicon (Si) coating liquid

140: ultraviolet (UV) curing machine 141: ultraviolet lamp

150: heat curing machine 151a to 151c: suction port

152a ~ 152c: Oil 153a ~ 153c: Temperature Maintenance Room

154a to 154c: outlet 160: roller

170: belt 210: PET fabric

220: silicone coated cotton

Claims (11)

In the apparatus for producing a blanket sheet (Blanket sheet) by coating and curing the silicone coated surface on a poly ethylene terephthalate (PET) fabric, A coating table on which sheet-type PET fabric is placed; A slot die mounted on the coating table and coating a silicon coating surface on the sheet-type PET fabric; And A first silicon curing machine disposed adjacent to one side of the slot die and curing the silicon coated on the sheet-type PET fabric Including but not limited to: The sheet-type blanket sheet manufacturing apparatus characterized by simultaneously performing the coating process by the said slot die, and the hardening process by the said 1st silicone curing machine. The method of claim 1, The slot die and the first silicon curing machine is a sheet-type blanket sheet manufacturing apparatus, characterized in that for coating and curing the silicon coating surface coated on the PET fabric while moving in the horizontal direction together on the coating table. The method of claim 1, And said first silicon curing machine is an ultraviolet curing machine for curing said coated silicon with an ultraviolet (UV) lamp. The method of claim 1, The first silicon curing machine is a sheet type blanket sheet manufacturing apparatus, characterized in that the heat curing machine for curing the coated silicon by hot air. The method of claim 1, The sheet type blanket sheet manufacturing apparatus further including the 2nd silicone curing machine which performs a 2nd hardening of the said 1st hardened silicone coating surface after silicone hardening is performed by the said 1st silicone curing machine first. The method of claim 5, And said second silicon curing machine is a heat curing machine for curing the coated silicon by hot air. The method of claim 1, The coating table is a sheet-type blanket sheet manufacturing apparatus, characterized in that the flat surface of the coating table is performed in advance for the flat coating of the silicon coating surface. The method of claim 1, The PET fabric is a sheet-type blanket sheet manufacturing apparatus, characterized in that the sheet-type PET fabric primarily processed to fit the size of the blanket sheet product. In the apparatus for producing a blanket sheet by coating and curing a silicone coated surface on a poly ethylene terephthalate (PET) fabric, A coating table on which a sheet-type PET fabric is disposed; A slot die mounted on the coating table and coating a silicon coating surface on the sheet-type PET fabric; And UV curing machine disposed adjacent one side of the slot die, and curing the silicone coated on the sheet-type PET fabric Including but not limited to: The sheet type blanket sheet manufacturing apparatus characterized by simultaneously performing the coating process by the said slot die, and the hardening process by the said ultraviolet curing machine. The method of claim 9, The slot die and ultraviolet curing machine is a sheet type blanket sheet manufacturing apparatus, characterized in that for coating and curing the silicon coating surface coated on the PET fabric while moving in the horizontal direction together on the coating table. The method of claim 9, The apparatus of the sheet type blanket sheet which further includes the thermosetting machine which secondary-cures the said 1st hardened silicone coating surface after silicone hardening is performed primarily by the said ultraviolet curing machine.

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