KR20090101694A - Printing sheet and methode for producing thereof - Google Patents
Printing sheet and methode for producing thereofInfo
- Publication number
- KR20090101694A KR20090101694A KR1020080026990A KR20080026990A KR20090101694A KR 20090101694 A KR20090101694 A KR 20090101694A KR 1020080026990 A KR1020080026990 A KR 1020080026990A KR 20080026990 A KR20080026990 A KR 20080026990A KR 20090101694 A KR20090101694 A KR 20090101694A
- Authority
- KR
- South Korea
- Prior art keywords
- coating layer
- layer
- primary coating
- printing sheet
- printing
- Prior art date
Links
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
- B41M5/40—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used characterised by the base backcoat, intermediate, or covering layers, e.g. for thermal transfer dye-donor or dye-receiver sheets; Heat, radiation filtering or absorbing means or layers; combined with other image registration layers or compositions; Special originals for reproduction by thermography
- B41M5/405—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used characterised by the base backcoat, intermediate, or covering layers, e.g. for thermal transfer dye-donor or dye-receiver sheets; Heat, radiation filtering or absorbing means or layers; combined with other image registration layers or compositions; Special originals for reproduction by thermography characterised by layers cured by radiation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
- B41M5/40—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used characterised by the base backcoat, intermediate, or covering layers, e.g. for thermal transfer dye-donor or dye-receiver sheets; Heat, radiation filtering or absorbing means or layers; combined with other image registration layers or compositions; Special originals for reproduction by thermography
- B41M5/42—Intermediate, backcoat, or covering layers
Abstract
Description
본 발명은 인쇄시트 및 이의 제조방법에 대한 것이다.The present invention relates to a printing sheet and a manufacturing method thereof.
종래에는 인쇄물의 외관을 표현하는 방법으로 그라비아 인쇄나 로타리 인쇄를 한 후 인쇄층을 투명층으로 보호하는 방법을 사용하여 왔다. 그러나,이러한 인쇄에 의해 깊이 감이나 인쇄효과를 부여하는 것은 한계가 있었다.Conventionally, a method of protecting the printed layer with a transparent layer after gravure printing or rotary printing has been used as a method of expressing the appearance of the printed matter. However, there is a limit to providing a feeling of depth or a printing effect by such printing.
근래에는 이러한 깊이감을 보다 잘 표현하고, 다양한 형태의 무늬를 구현하기 위하여 평면적인 인쇄층이 아닌, 엠보패턴을 형성하는 방식이 선호되고 있다. Recently, a method of forming an embossed pattern, rather than a flat printed layer, has been preferred in order to better express the depth and to realize various types of patterns.
그러나 다양한 엠보싱 무늬 및 입체패턴을 표현하기 위하여, 종래에는 원하는 무늬가 부여된 압착롤 등을 이용하여 기계적인 엠보를 부여하는 방식이 사용되어 왔다.However, in order to express various embossed patterns and three-dimensional patterns, conventionally, a method of imparting mechanical embosses using a compression roll or the like provided with a desired pattern has been used.
이처럼 기계적으로 입체적 패턴을 형성하는 경우, 압력에 의해 패턴을 형성되는 것이기 때문에 표면에 스크레치와 깨짐 등이 많이 발생하므로 인쇄된 표면의 내구성이 약하고 미관도 현저히 저해되는 문제가 있었다. 또한, 압력에 의한 패턴의 형성은 정교하지 않았다.As such, when the three-dimensional pattern is mechanically formed, since the pattern is formed by pressure, a lot of scratches and cracks are generated on the surface, so the durability of the printed surface is weak and the aesthetics are significantly impaired. In addition, the formation of the pattern by pressure was not sophisticated.
또한, 입체적 패턴이 외부로 노출되는 경우 사용에 따라 스크레치나 패턴의 손상이 발생하는데, 이를 위해 투명층으로 입체적 패턴을 덮을 경우 다시 표면이 평평해져서 입체적 패턴을 형성한 원래의 목적을 이룰 수 없는 문제점이 있었다.In addition, when the three-dimensional pattern is exposed to the outside, damage to the scratches or patterns occurs depending on the use. To this end, when the three-dimensional pattern is covered with a transparent layer, the surface becomes flat again, thereby preventing the original purpose of forming the three-dimensional pattern. there was.
따라서, 엠보와 같은 입체적 패턴을 형성하면서도 외관의 깨짐이나 스크레치를 발생하지 않고 정교한 입체적 패턴의 형성도 가능하도록 하는 인쇄시트의 제공이 절실히 요구된다.Therefore, there is an urgent need to provide a printing sheet that allows the formation of a three-dimensional pattern such as embossing, but also to form a precise three-dimensional pattern without causing cracks or scratches in appearance.
본 발명은 입체적 패턴을 형상하는 인쇄시트 및 이에 의해 형성된 키패드에 대한 것이다.The present invention relates to a printing sheet and a keypad formed by the three-dimensional pattern.
본 발명에 의한 인쇄시트는 필름층과, 상기 필름층의 상부에 형성된 입체적 패턴이 형성된 1차코팅층과, 상기 1차코팅층 상부에 형성된 상기 1차코팅층과는 굴절율이 상이한 2차코팅층과, 상기 필름층의 하부 및 상기 1차코팅층의 상부 중 어느 한 곳에 형성되는 인쇄층을 포함한다.The printing sheet according to the present invention includes a film layer, a primary coating layer having a three-dimensional pattern formed on the film layer, a secondary coating layer having a different refractive index from the primary coating layer formed on the primary coating layer, and the film. And a printed layer formed at any one of a lower portion of the layer and an upper portion of the primary coating layer.
또한, 상기 필름층과 상기 1차코팅층 사이에 플라즈마코팅층을 더 포함할 수 있다.In addition, a plasma coating layer may be further included between the film layer and the primary coating layer.
또한, 상기 1차코팅층 및 상기 2차코팅층은 UV코팅층일 수 있다.In addition, the primary coating layer and the secondary coating layer may be a UV coating layer.
본 발명에 의한 인쇄시트 제조방법은 인쇄층 형성단계, 필름층 형성단계, 1차코팅층 형성단계 및 2차코팅층형성단계로 이루어지며, 상기 1차 코팅층 형성단계는, 코팅조성물을 도포하는 단계와 상기 코팅액을 패턴판으로 압착하는 단계와 상기 코팅액을 압착한 상태에서 경화시키는 단계를 포함하고, 상기 2차 코팅층 형성단계는,상기 1차 코팅층 형성단계와 같되 굴절율이 1차코팅층의 코팅조성물과 상이한 코팅조성물을 사용하는 것을 특징으로 한다.The printing sheet manufacturing method according to the present invention comprises a printing layer forming step, a film layer forming step, a primary coating layer forming step and a secondary coating layer forming step, the primary coating layer forming step, the step of applying a coating composition and the And coating the coating liquid with a pattern plate and curing the coating liquid in a compressed state. The secondary coating layer forming step is the same as the primary coating layer forming step, but the refractive index is different from that of the coating composition of the primary coating layer. It is characterized by using a composition.
본 발명에 의한 키패드는 제1항 또는 제2항의 인쇄시트로 형성된다.The keypad according to the present invention is formed of the printing sheet of claim 1.
본 발명에 의한 인쇄시트는 입체적 패턴이 형성된 1차코팅층의 상부에 2차코팅층이 형성되어 스크래치의 발생이나, 이물질의 끼임 및 패턴의 손상을 방지하면서도, 입체적 패턴에 따른 원근감을 유지할 수 있도록 한다.In the printing sheet according to the present invention, the secondary coating layer is formed on the upper portion of the primary coating layer in which the three-dimensional pattern is formed, thereby preventing the occurrence of scratches, pinching of foreign substances and damage of the pattern, while maintaining the perspective according to the three-dimensional pattern.
도 1 및 도 2는 본 발명에 의한 인쇄시트의 일실시예를 도시한 것이다.1 and 2 illustrate an embodiment of a printing sheet according to the present invention.
도 3 내지 도 5는 본 발명에 의한 인쇄시트의 1차코팅층의 제조방법을 도시한 것이다.3 to 5 illustrate a method of manufacturing a primary coating layer of a printing sheet according to the present invention.
본 발명에 의한 인쇄시트는 필름층,1차코팅층, 2차코팅층 및 인쇄층을 포함한다.The printing sheet according to the present invention includes a film layer, a primary coating layer, a secondary coating layer and a printing layer.
상기 필름층은 PC, PET, PP, PVC, PEH 등으로 이루어질 수 있다. The film layer may be made of PC, PET, PP, PVC, PEH and the like.
도 1에서 도시된 바와 같이, 상기 필름층(20)의 상부에는 1차코팅층(30)이 형성되는데, 상기 1차코팅층은 입체적 패턴이 형성된 층으로서, 상기 1차코팅층의 제조는 여러가지 방법이 가능하지만 UV경화가 가능한 코팅조성물을 이용하여 UV선의 조사에 의해 경화되는 방법으로 형성하는 것이 바람직하다.As shown in FIG. 1, a primary coating layer 30 is formed on the film layer 20. The primary coating layer is a three-dimensional patterned layer, and the primary coating layer may be manufactured in various ways. However, it is preferable to form by curing the UV radiation by using a coating composition capable of UV curing.
즉, 도 3 내지 도 5에서 도시된 바와 같이 상기 1차코팅층(30)의 입체적 패턴 형성은 코팅조성물을 도포하고, 도포된 코팅조성물을 패턴판(200)으로 압착한 후 UV선을 조사하여 UV경화시킨다. UV경화에 의하면 코팅조성물이 경화되기까지 걸리는 시간이 매우 짧으므로 생산성을 향상시킬 수 있다. 기계적 경화에 의하는 경우 압착하는 과정에서 스크래치 및 코팅층의 깨짐등이 발생할 수 있는데 본 발명에 의한 경화는 액체상태의 코팅조성물을 압착후 UV경화에 의한 것이므로 이러한 문제가 발생하지 않고, 내구성이 우수하다. 또한, 패턴의 모서리 부분까지 코팅조성물이 채워지므로 기계적 압착의 경우보다 패턴이 정교하게 형성되고, 모서리나 얇은 패턴의 깨짐에 의한 패턴의 손상위험이 적다. 또한, 패턴판의 가열이 필요하지 않고 저온 경화에 의하므로 패턴판의 열에 의해 패턴이 형성되지 않는 부분이 수축하는 등의 영향을 받지 않으므로 전체적인 인쇄시트의 품질이 향상된다.That is, as shown in FIGS. 3 to 5, the three-dimensional pattern formation of the primary coating layer 30 may be performed by applying a coating composition, compressing the coated coating composition with a pattern plate 200, and then irradiating UV rays with UV. Harden. According to UV curing, the time required for curing the coating composition is very short, and thus productivity can be improved. In the case of mechanical hardening, scratches and cracks of the coating layer may occur during the compression process. The hardening according to the present invention is caused by UV curing after pressing the coating composition in a liquid state. . In addition, since the coating composition is filled up to the edge of the pattern, the pattern is formed more precisely than in the case of mechanical compression, and there is less risk of damage to the pattern due to the break of the edge or thin pattern. In addition, since the heating of the pattern plate is not required and the low temperature curing is performed, the quality of the overall printing sheet is improved because the portion of the pattern plate is not affected by shrinkage or the like due to the heat of the pattern plate.
상기 1차코팅층의 상부에는 2차코팅층(40)이 형성되는데, 상기 2차코팅층은 1차코팅층을 보호하는 역할을 한다. The secondary coating layer 40 is formed on the primary coating layer, the secondary coating layer serves to protect the primary coating layer.
상기 2차코팅층의 코팅조성물은 경화시 1차코팅층의 굴절율과 상이한 코팅조성물을 이용한다. 입체적 패턴이 외부에 노출되면 형성된 요철 등에 의하여 외부와 마찰이 많아져서 외면이 손상될 위험이 크다. 또한 형성된 요철에 이물질이 쌓이는 등의 이유로 인해 사용연한이 줄어들고 외관을 해치게 된다. 때문에 상기 1차코팅층의 외면을 평평하게 마감하는 2차코팅층이 필요하나, 1차코팅층의 상부에 2차코팅층을 형성함에 따라 입체적인 느낌이 사라지는 문제가 있어 코팅층을 형성하여 사용하지 못하고 있었다. 그러나, 본 발명은 굴절율이 다른 코팅조성물을 이용하여 2차코팅층을 형성하기 때문에 외관의 손상 및 이물질의 끼임을 방지하면서도 굴절율의 차이에 따른 입체적 패턴 효과를 유지하여 다양한 표현이 가능한 인쇄시트를 제공할 수 있다.The coating composition of the secondary coating layer uses a coating composition different from the refractive index of the primary coating layer during curing. When the three-dimensional pattern is exposed to the outside, the friction is increased with the outside due to the unevenness formed, so that the outer surface is damaged. In addition, due to the accumulation of foreign matter on the formed irregularities, the service life is reduced and damage to the appearance. Therefore, the secondary coating layer is required to finish the outer surface of the primary coating layer flat, but there was a problem that the three-dimensional feeling disappears by forming the secondary coating layer on the top of the primary coating layer was not used to form a coating layer. However, the present invention is to form a secondary coating layer using a coating composition having a different refractive index, thereby providing a printing sheet capable of various expressions by maintaining a three-dimensional pattern effect according to the difference in refractive index while preventing damage to the appearance and pinching of foreign substances. Can be.
2차코팅층 역시 액체 상태의 코팅조성물을 도포한 후, UV경화에 의해 형성되는 것이 생산성 및 품질 좋은 시트의 생산에 있어서 바람직하다.The secondary coating layer is also preferably formed by UV curing after applying the coating composition in the liquid state, and is preferable in the production of high productivity and high quality sheet.
인쇄층(10)은 상기 필름층의 하부에 형성되거나, 상기 1차코팅층의 상부에 형성될 수 있는데, 이에 따라 원하는 인쇄형태와 입체적 패턴을 결합하여 더욱 다양한 형태의 인쇄시트를 제공할 수 있다.The print layer 10 may be formed below the film layer or may be formed above the primary coating layer. Accordingly, the printing layer 10 may be combined with a desired printing form and a three-dimensional pattern to provide a printing sheet having more various shapes.
또한, 상기 1차코팅층의 입체적 패턴의 형성은 일부분만에도 할 수 있다.In addition, the three-dimensional pattern of the primary coating layer may be formed only in part.
상기 1차코팅층 및 2차코팅층은 UV코팅층인 것이 바람직하다. 폴리카보네이트 등의 필름은 자외선이 조사되는 경우 황변 되는 경향이 크므로 자외선에 노출되어 사용되는 경우 이에 따라 미관을 해치고, 사용연한이 줄어들게 된다. UV코팅을 이용하면 황변을 방지할 수 있어서, 인쇄시트의 장기보전성능을 향상시킬 수 있다.The primary coating layer and the secondary coating layer is preferably a UV coating layer. Films such as polycarbonate have a tendency to yellow when irradiated with ultraviolet rays, so that the film is used when exposed to ultraviolet rays, thereby deteriorating aesthetics and reducing the service life. UV coating can be used to prevent yellowing, thereby improving long-term preservation performance of the printing sheet.
또한, 점착력을 강화하기 위하여 도 2에서 도시한 바와 같이 프라즈마 코팅층(50)을 더 포함할 수 있는데, 상기 프라즈마 코팅층은 상기 필름층과 상기 1차코팅층과의 사이에서 점착력을 강화시켜 사용 중 두 층이 분리되거나, 밀리는 것을 방지한다. 플라즈마 코팅을 하게 되면 플라즈마 코팅층에 형성된 기공으로 인하여 두 층간의 마찰력이 커지고 이에 따라 두 층이 잘 밀리거나 분리되지 않도록 하여 점착력이 증가 된다.In addition, in order to enhance the adhesive force may further include a plasma coating layer 50 as shown in Figure 2, the plasma coating layer is to strengthen the adhesive force between the film layer and the primary coating layer two layers in use Prevents it from being separated or pushed. Plasma coating increases the friction between the two layers due to the pores formed in the plasma coating layer, thereby increasing the adhesion by preventing the two layers from being pushed or separated.
또한, 1차코팅층 및 2차코팅층을 형성하는 코팅조성물에는 잉크, 탈색방지제, 광기능성첨가제, 항균성첨가제 등의 기능성 첨가제를 더 포함할 수 있다.In addition, the coating composition forming the primary coating layer and the secondary coating layer may further include functional additives such as ink, anti-coloring agent, optical functional additive, and antimicrobial additive.
이렇게 제조된 인쇄시트는 광고시트, 휴대폰 키패드 등 다양한 용도로 사용할 수 있다. 특히, 휴대폰 키패드로 사용되는 경우 입체적 패턴에 의한 원근감을 유지하면서도 요철이 외부에는 형성되지 않아 사용자의 터치감이 좋고, 오염을 방지할 수 있다.The printed sheet thus manufactured can be used for various purposes such as advertising sheets and mobile phone keypads. In particular, when used as a mobile phone keypad, while maintaining the perspective by the three-dimensional pattern, the unevenness is not formed on the outside, the user's touch is good, it can prevent contamination.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020080026990A KR20090101694A (en) | 2008-03-24 | 2008-03-24 | Printing sheet and methode for producing thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020080026990A KR20090101694A (en) | 2008-03-24 | 2008-03-24 | Printing sheet and methode for producing thereof |
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| KR20090101694A true KR20090101694A (en) | 2009-09-29 |
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| KR1020080026990A KR20090101694A (en) | 2008-03-24 | 2008-03-24 | Printing sheet and methode for producing thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20140029374A (en) * | 2010-12-15 | 2014-03-10 | 메르크 파텐트 게엠베하 | Process for the production of three-dimensional patterns in coatings |
| CN110696516A (en) * | 2019-10-12 | 2020-01-17 | 浙江晶通塑胶有限公司 | Processing technology of digital printing floor |
-
2008
- 2008-03-24 KR KR1020080026990A patent/KR20090101694A/en not_active Application Discontinuation
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20140029374A (en) * | 2010-12-15 | 2014-03-10 | 메르크 파텐트 게엠베하 | Process for the production of three-dimensional patterns in coatings |
| CN110696516A (en) * | 2019-10-12 | 2020-01-17 | 浙江晶通塑胶有限公司 | Processing technology of digital printing floor |
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