KR20010067756A - self-reflection sheet - Google Patents

self-reflection sheet Download PDF

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Publication number
KR20010067756A
KR20010067756A KR1020010014062A KR20010014062A KR20010067756A KR 20010067756 A KR20010067756 A KR 20010067756A KR 1020010014062 A KR1020010014062 A KR 1020010014062A KR 20010014062 A KR20010014062 A KR 20010014062A KR 20010067756 A KR20010067756 A KR 20010067756A
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KR
South Korea
Prior art keywords
sheet
layer
base layer
reflecting
polyurethane
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KR1020010014062A
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Korean (ko)
Inventor
윤세원
김강현
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윤세원
현진화학(주)
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Priority to KR1020010014062A priority Critical patent/KR20010067756A/en
Publication of KR20010067756A publication Critical patent/KR20010067756A/en

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    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/12Reflex reflectors
    • G02B5/126Reflex reflectors including curved refracting surface
    • G02B5/128Reflex reflectors including curved refracting surface transparent spheres being embedded in matrix
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00Layered 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
    • B32B7/04Interconnection of layers
    • B32B7/12Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/04Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Laminated Bodies (AREA)

Abstract

PURPOSE: A reflexive reflecting sheet is provided which is able to easily form an embossing pattern and has a new composition configured of an environmentally friendly material. CONSTITUTION: A reflexive reflecting sheet includes a base layer(2) formed of plastics, and a transparent bead layer(8) deposited on the base layer. An elastic sheet(20) made of PVC is deposited on the bottom surface of the base layer. The elastic sheet is configured of polyurethane or polyurethane foaming material. A reflecting layer is formed on the base layer and a glass bead layer is deposited on the reflecting layer. A reflecting film(4) is formed on the transparent bead layer to increase the reflexive reflection efficiency of the bead layer.

Description

재귀반사시트{self-reflection sheet}Retroreflective Sheeting {self-reflection sheet}

본 발명은 장식시트에 관한 것으로서, 보다 상세하게는 엠보싱무늬를 용이하게 형성할 수 있으며. 환경친화적인 새로운 구성의 재귀반사시트에 관한 것이다.The present invention relates to a decorative sheet, and more particularly, it is possible to easily form an embossed pattern. It is about retroreflective sheet of new environmentally friendly composition.

일반적으로 신발이나 가방, 의류 등에는 라벨이나 다양한 장식무늬가 형성된 장식시트를 부착하기도 하는데, 이러한 라벨이나 장식시트를 재귀반사시트를 이용하여 제작하기도 한다. 이와 같이 재귀반사시트를 이용하면, 시트에서 반사되는 빛에 의해 장식효과가 상승될 뿐만 아니라 라벨이나 장식무늬 등이 눈에 잘 띄게 되므로 광고효과도 상승된다.Generally, a label or a decorative sheet formed with various decorative patterns is attached to shoes, bags, and clothing, and the label or decorative sheet is also manufactured using a retroreflective sheet. Using the retroreflective sheet in this way, not only the decorative effect is increased by the light reflected from the sheet, but also the label or decorative pattern is more prominent, so the advertising effect is also increased.

이러한 재귀반사시트를 이용해 라벨이나 장식시트 등을 만드는 경우에는 먼저 우레탄수지로 된 베이스층(2)의 상면에 알루미늄 반사막(4)을 형성하고, 이 반사막(4)의 상면에는 글래스비드층(8)으로 형성한 다음, 상기 베이스층(2)의 저면에 별도의 탄성시트(9)를 부착하여 라벨 또는 장식시트용 재귀반사시트를 제조한다. 그리고 고주파 프레스기로 이 재귀반사시트의 상면에 원하는 형상의 엠보싱무늬를 형성하여 라벨 등을 제작한다. 이때 상기 재귀반사시트의 저면에 탄성시트(9)를 부착하는 것은, 엠보싱무늬를 형성하기 위해서는 라벨시트가 소요되는 수준의 두께와 탄성을 가져야 하기 때문인데, 흔히 탄성시트로(9)로 PVC시트를 사용한다.In the case of making a label or a decorative sheet using such a retroreflective sheet, an aluminum reflective film 4 is first formed on the upper surface of the urethane resin base layer 2, and the glass bead layer 8 is formed on the upper surface of the reflective film 4. ), And then attaching a separate elastic sheet (9) to the bottom of the base layer (2) to produce a retroreflective sheet for labels or decorative sheets. A label or the like is produced by forming an embossed pattern of a desired shape on the upper surface of the retroreflective sheet with a high frequency press. In this case, the elastic sheet 9 is attached to the bottom of the retroreflective sheet, in order to form an embossed pattern, the label sheet needs to have a thickness and elasticity required, often as an elastic sheet (9) as a PVC sheet Use

그런데 PVC는 내수성, 내약품성, 난연성 등이 우수하다는 특성이 있기는 하나, 불안전연소되면 공해물질인 다이옥신이 발생되어 환경오염을 유발시키는 문제점이 있기 때문에 최근에는 이러한 PVC의 사용을 규제하고 있는 추세이다.However, PVC is characterized by excellent water resistance, chemical resistance, and flame retardancy, but since unsafe combustion causes dioxins, which are pollutants, causing environmental pollution. .

본 발명은 상기의 문제점을 해결하기 위한 것으로서, 본 발명의 목적은 엠보싱무늬를 효과적으로 형성할 수 있을 뿐만 아니라 환경친화적인 소재로 된 새로운 구성의 재귀반사시트를 제공하는 것이다.The present invention has been made to solve the above problems, and an object of the present invention is to provide a retroreflective sheet of a novel configuration of an environmentally friendly material as well as to form an embossed pattern effectively.

도 1은 종래의 재귀반사시트를 보인 단면도1 is a cross-sectional view showing a conventional retroreflective sheet

도 2는 본 발명에 의한 재귀반사시트를 보인 단면도Figure 2 is a cross-sectional view showing a retroreflective sheet according to the present invention

도 3은 본 발명에 의한 재귀반사시트로 제작된 라벨을 보인 사시도이다.Figure 3 is a perspective view showing a label made of a retroreflective sheet according to the present invention.

<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>

2. 베이스층 4. 반사막2. Base layer 4. Reflective film

8. 투명비드층 10. 보호필름8. Transparent bead layer 10. Protective film

20. 폴리우레탄탄성시트 52.엠보싱무늬20. Polyurethane elastic sheet 52. Embossed pattern

본 발명에 따르면, 합성수지로 된 베이스층(4)과, 상기 베이스층(4)의 상면에 적층되는 투명비드층(8)을 포함하며, 상기 베이스층(4)의 저면에는 PVC로 이루어진 탄성시트(20)가 적층된 재귀반사시트(50)에 있어서, 상기 탄성시트(20)는 폴리우레탄 또는 폴리우레탄발포체로 이루어진 것을 특징으로 하는 재귀반사시트(50)가 제공된다.According to the present invention, it comprises a base layer (4) made of synthetic resin, and a transparent bead layer (8) laminated on the upper surface of the base layer (4), the bottom of the base layer (4) elastic sheet made of PVC In the retroreflective sheet 50 in which 20 is laminated, the elastic sheet 20 is provided with a retroreflective sheet 50, which is made of a polyurethane or a polyurethane foam.

이하, 본 발명의 바람직한 실시예를 첨부한 도면에 의거하여 설명하면 다음과 같다. 도 2는 본 발명의 일 실시예를 보인 단면도이고 도 3은 본 발명에 의한 재귀반사시트로 제작된 라벨을 보인 사시도이다.Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings. Figure 2 is a cross-sectional view showing an embodiment of the present invention and Figure 3 is a perspective view showing a label made of a retroreflective sheet according to the present invention.

본 발명에 의한 재귀반사시트(50)는 탄성시트(20)의 상면에 베이스층(2)이 적층되고, 이 베이스층(2)의 상면에 반사막(6)이 형성되며, 이 반사막(40)의 상면에는 글래스비드층(8)이 적층되어 이루어진다.In the retroreflective sheet 50 according to the present invention, the base layer 2 is stacked on the upper surface of the elastic sheet 20, and the reflective film 6 is formed on the upper surface of the base layer 2, and the reflective film 40 is formed. The glass bead layer 8 is laminated on the upper surface of the substrate.

이와 같이 구성되는 장식시트(30)는 다음과 같은 방법으로 제조된다.The decorative sheet 30 configured as described above is manufactured by the following method.

먼저, PET로 된 보호필름(10)을 준비하여 이 보호필름(10)의 상면에 이형제를 도포한 다음, 그 위에 투명비드층(8)을 형성한다. 이때에는 유기용제와 우레탄수지를 혼합한 용액에 글래스비나 세라믹비드와 같은 투명비드(7)를 혼합하고, 이 혼합액을 상기 보호필름(10)의 상면에 도포한 다음, 건조시킨다. 이와 같이 하면 상기 우레탄수지는 유기용제에 의해 상당히 묽은 상태이므로 투명비드(7)의 표면을 타고 흘러 내려 투명비드(7) 사이사이의 공극뿐만 아니라 투명비드(7)와 보호필름(10) 사이의 공극을 메우게 되므로, 건조 후에는 투명비드(7)가 보호필름(10)의 상면에 효과적으로 부착된다.First, a protective film 10 made of PET is prepared, a release agent is coated on the upper surface of the protective film 10, and then a transparent bead layer 8 is formed thereon. At this time, a transparent bead (7) such as glass beads or ceramic beads is mixed with a solution in which an organic solvent and a urethane resin are mixed, and the mixed solution is applied to the upper surface of the protective film (10) and then dried. In this case, since the urethane resin is considerably diluted by the organic solvent, the urethane resin flows down the surface of the transparent bead 7 as well as the gap between the transparent beads 7 and the transparent bead 7 and the protective film 10. Since the voids are filled, the transparent beads 7 are effectively attached to the upper surface of the protective film 10 after drying.

이어서 상기 투명비드층(8)의 상면에 알루미늄이나 세라믹분말을 증착 등의 방법으로 부착시켜 반사막(4)을 형성하는데, 이와 같이 반사막(4)을 형성하면, 상기 투명비드층(8)에 의한 재귀반사효능이 상승된다. 그리고 이 반사막(4) 위에 우레탄수지를 용제에 혼합하여 도포하고 건조시켜 베이스층(2)을 형성한다.Subsequently, aluminum or ceramic powder is attached to the upper surface of the transparent bead layer 8 by vapor deposition or the like to form the reflective film 4. When the reflective film 4 is formed in this way, the transparent bead layer 8 The retroreflective effect is increased. On the reflective film 4, a urethane resin is mixed with a solvent, applied, and dried to form a base layer 2.

이와 같이 한 다음에, 상기 베이스층(2)의 저면에 폴리우레탄 또는 폴리우레탄발포체로 된 탄성시트(20)를 접착제로 접착시킨다. 이 폴리우레탄시트(20)는 장식시트를 엠보싱처리 하기에 충분한 탄성과 두께를 부여하기 위한 것으로, 상기 폴리우레탄은 자체 탄성이 있으며 성형성이 우수할 뿐만 아니라 소각처리하여도 오염물질이 발생되지 않으므로 사용이 바람직하다.After doing this, the elastic sheet 20 made of polyurethane or polyurethane foam is adhered to the bottom of the base layer 2 with an adhesive. The polyurethane sheet 20 is to impart sufficient elasticity and thickness to emboss the decorative sheet, and the polyurethane has its own elasticity and excellent moldability and does not generate pollutants even when incinerated. Use is preferred.

이와 같이 구성되는 본 발명에 의한 재귀반사시트(50)로 라벨(52)을 제조할때에는 먼저, 재귀반사시트(50)를 원하는 형상으로 절단하여 보호필름(10)을 벗긴 다음, 고주파 프레스로 프레싱하여 원하는 형상의 엠보싱무늬(40)를 형성한다. 이때 상기 보호필름(10)을 먼저 박리시킨 다음 재귀반사시트(50)를 절단할 수 있음은 물론이다. 이와 같이 제조된 라벨(52)을 의류 등과 같은 피부착물에 박음직하거나 또는 접착제 등으로 부착한다.When manufacturing the label 52 with the retroreflective sheet 50 according to the present invention configured as described above, first, by cutting the retroreflective sheet 50 to the desired shape to peel off the protective film 10, then pressing with a high frequency press To form an embossed pattern 40 of a desired shape. In this case, the protective film 10 may be first peeled off, and then the retroreflective sheet 50 may be cut. The label 52 thus prepared is sewn onto or adhered to an adhesive such as clothing.

이상에서와 같이 본 발명에 의하면, 엠보싱무늬를 효과적으로 형성할 수 있을 뿐만 아니라 종래의 ,PVC 대신에 환경친화적인 폴리우레탄을 사용한 새로운 구성의 재귀반사시트가 제공된다.According to the present invention as described above, not only the embossed pattern can be effectively formed, but also a retroreflective sheet having a new configuration using an environmentally friendly polyurethane instead of the conventional PVC.

Claims (1)

합성수지로 된 베이스층(4)과, 상기 베이스층(4)의 상면에 적층되는 투명비드층(8)을 포함하며, 상기 베이스층(4)의 저면에는 PVC로 이루어진 탄성시트(20)가 적층된 재귀반사시트(50)에 있어서, 상기 탄성시트(20)는 폴리우레탄 또는 폴리우레탄발포체로 이루어진 것을 특징으로 하는 재귀반사시트(50)A base layer (4) made of synthetic resin and a transparent bead layer (8) laminated on the upper surface of the base layer (4), the elastic sheet 20 made of PVC is laminated on the bottom of the base layer (4) In the retroreflective sheet 50, the elastic sheet 20 is a retroreflective sheet 50, characterized in that made of polyurethane or polyurethane foam.
KR1020010014062A 2001-03-19 2001-03-19 self-reflection sheet KR20010067756A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101634048B1 (en) 2015-10-22 2016-06-27 김종한 embossing 3-dimension advertising device
CN107447702A (en) * 2017-07-24 2017-12-08 浙江鼎海科技有限公司 A kind of isolation strip and its processing technology

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06138312A (en) * 1992-10-23 1994-05-20 Nippon Carbide Ind Co Inc Production of retroreflective sheet
JPH0843615A (en) * 1994-07-27 1996-02-16 Nippon Carbide Ind Co Inc Retroreflection sheet
JPH08211213A (en) * 1983-04-11 1996-08-20 Minnesota Mining & Mfg Co <3M> Retrograde reflective sheet
JPH10153701A (en) * 1996-11-19 1998-06-09 Minnesota Mining & Mfg Co <3M> Retroreflection sheet

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08211213A (en) * 1983-04-11 1996-08-20 Minnesota Mining & Mfg Co <3M> Retrograde reflective sheet
JPH06138312A (en) * 1992-10-23 1994-05-20 Nippon Carbide Ind Co Inc Production of retroreflective sheet
JPH0843615A (en) * 1994-07-27 1996-02-16 Nippon Carbide Ind Co Inc Retroreflection sheet
JPH10153701A (en) * 1996-11-19 1998-06-09 Minnesota Mining & Mfg Co <3M> Retroreflection sheet

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101634048B1 (en) 2015-10-22 2016-06-27 김종한 embossing 3-dimension advertising device
CN107447702A (en) * 2017-07-24 2017-12-08 浙江鼎海科技有限公司 A kind of isolation strip and its processing technology
CN107447702B (en) * 2017-07-24 2019-12-17 浙江鼎海科技股份有限公司 Isolation belt and processing technology thereof

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