KR20080082048A - Tarpaulin sheet having excellent light diffusion effect - Google Patents

Tarpaulin sheet having excellent light diffusion effect Download PDF

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Publication number
KR20080082048A
KR20080082048A KR1020070022295A KR20070022295A KR20080082048A KR 20080082048 A KR20080082048 A KR 20080082048A KR 1020070022295 A KR1020070022295 A KR 1020070022295A KR 20070022295 A KR20070022295 A KR 20070022295A KR 20080082048 A KR20080082048 A KR 20080082048A
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South Korea
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sheet
tarpaulin
diffusion
pvc
tarpaulin sheet
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KR1020070022295A
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Korean (ko)
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KR101355714B1 (en
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김수주
고관승
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주식회사 엘지화학
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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0273—Diffusing elements; Afocal elements characterized by the use
    • G02B5/0278—Diffusing elements; Afocal elements characterized by the use used in transmission
    • 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
    • B32B19/00—Layered products comprising a layer of natural mineral fibres or particles, e.g. asbestos, mica
    • B32B19/04—Layered products comprising a layer of natural mineral fibres or particles, e.g. asbestos, mica next to another layer of the same or of a different material
    • 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
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
    • C07C69/76—Esters of carboxylic acids having a carboxyl group bound to a carbon atom of a six-membered aromatic ring
    • C07C69/78—Benzoic acid esters
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0086—Positioning aspects
    • G02B6/0091—Positioning aspects of the light source relative to the light guide

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  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Laminated Bodies (AREA)

Abstract

A tarpaulin sheet having superior light diffusion effect is provided to enhance transmittance and ensure wide view angle by scattering lights through a concave portion of a diffusion sheet. A tarpaulin sheet includes a diffusion sheet(23) having a diffusion layer with a concave structure. The tarpaulin sheet is formed sequentially a PVC(Polyvinyl Chloride) sheet(21), fabric(22), and the diffusion sheet. The concave structure is formed in a half-spherical type, a polygon type, and a combination of the half-spherical and polygon types.

Description

우수한 빛 확산효과를 갖는 타포린 시트{Tarpaulin sheet having excellent light diffusion effect}Tarpaulin sheet having excellent light diffusion effect

도 1은 종래 광고용 타포린 시트의 단면도이다.1 is a cross-sectional view of a conventional tarpaulin sheet for advertising.

도 2는 본 발명의 제1실시예에 따른 타포린 시트의 단면도이다.2 is a cross-sectional view of a tarpaulin sheet according to a first embodiment of the present invention.

도 3은 본 발명의 제2실시예에 따른 타포린 시트의 단면도이다.3 is a cross-sectional view of a tarpaulin sheet according to a second embodiment of the present invention.

도 4는 본 발명의 제3실시예에 따른 타포린 시트의 단면도이다.4 is a cross-sectional view of a tarpaulin sheet according to a third embodiment of the present invention.

<도면의 주요부분에 대한 부호 설명><Description of Signs of Major Parts of Drawings>

11, 21: PVC시트11, 21: PVC sheet

12, 22: 직포12, 22: woven

23: 확산시트23: diffusion sheet

24: 확산층24: diffusion layer

본 발명은 광고 간판, 현수막 등에 사용되는 타포린 시트에 관한 것으로, 보다 상세하게는 기존 타포린 시트의 전후면을 이루고 있는 PVC시트 중 적어도 한 면 이상을 확산시트로 대체하고 직포를 층상구조로 합지한 타포린 시트에 관한 것이 다.The present invention relates to a tarpaulin sheet used in advertising signs, banners, etc. More specifically, at least one or more of the PVC sheet forming the front and rear surfaces of the existing tarpaulin sheet replaced with a diffusion sheet and laminated woven fabric in a layered structure It's about sheets.

현재, 광고 간판, 현수막용 등으로 사용되고 있는 타포린 시트는 도 1에 도시된 바와 같이, 두 PVC시트(11) 사이에 폴리에스터, 나일론 등으로 구성되는 직포(12)를 합판한 층상구조를 갖는다.Currently, tarpaulin sheets used for advertisement signs, banners, etc. have a layered structure in which a woven fabric 12 composed of polyester, nylon, or the like is laminated between two PVC sheets 11.

이러한 타포린 시트는 양면의 PVC 합성수지층(11)으로 인해 빛 투과성이 우수한 특징을 갖는다. 그리고 PVC시트(11)의 우수한 가요성과 가공성, 저렴한 가격의 이유로 널리 사용되고 있다.The tarpaulin sheet has a characteristic of excellent light transmittance due to the PVC synthetic resin layer 11 on both sides. And it is widely used because of the excellent flexibility and processability, low price of the PVC sheet (11).

그러나, 상기의 타포린 시트는 조명을 가했을 때, 조명이 직접적으로 투사되는 부분은 밝고, 그 외 조명이 비추는 영역에서 벗어나는 부분들은 상대적으로 어두운 결과를 보인다.However, when the tarpaulin sheet is illuminated, the portion where the illumination is directly projected is bright, and the portions that deviate from the area where other illumination is illuminated have a relatively dark result.

따라서, 광원으로부터 조사된 많은 양의 빛을 광고면 쪽으로 고르게 투과시키는데 한계를 가지며, 이에 따라 밝기를 증가시키는데 있어 전력 소모량이 증가하는 문제점이 있었다.Therefore, there is a limit to evenly transmitting a large amount of light emitted from the light source toward the advertisement surface, and thus there is a problem in that power consumption increases in increasing the brightness.

본 발명은 상기의 문제점을 고려하여 개발한 것으로, 본 발명의 목적은 적어도 한 면 이상의 PVC시트를 반구형 등의 요철면이 있는 확산시트로 교체함으로써, 광원으로부터 입사된 빛이 확산시트에 부딪히면서 고르게 산란 및 확산한 후 통과하게 하여, 빛 투과도가 향상되고 넓은 시야각을 갖는 타포린 시트를 제공하는 것이다.The present invention was developed in view of the above problems, and an object of the present invention is to replace the at least one PVC sheet with a diffused sheet having a concave-convex surface such as hemispherical shape, so that light incident from the light source hits the diffused sheet and scatters evenly. And diffused and passed to provide a tarpaulin sheet having improved light transmittance and a wide viewing angle.

본 발명은 상기한 목적을 달성하기 위하여, 요철구조의 확산층을 갖는 확산시트를 포함하는 타포린 시트를 제공한다.The present invention provides a tarpaulin sheet including a diffusion sheet having a diffusion layer having an uneven structure to achieve the above object.

본 발명의 제1실시예에 따른 타포린 시트는 위로부터 PVC시트, 직포, 확산시트로 구성된다.Tarpaulin sheet according to the first embodiment of the present invention is composed of a PVC sheet, a woven fabric, a diffusion sheet from above.

본 발명의 제2실시예에 따른 타포린 시트는 위로부터 확산시트, 직포, PVC시트로 구성된다.Tarpaulin sheet according to a second embodiment of the present invention is composed of a diffusion sheet, a woven fabric, a PVC sheet from above.

본 발명의 제3실시예에 따른 타포린 시트는 위로부터 확산시트, 직포, 확산시트로 구성된다.The tarpaulin sheet according to the third embodiment of the present invention is composed of a diffusion sheet, a woven fabric, and a diffusion sheet from above.

본 발명에서 요철구조는 그 단면상으로 반구형, 다각형 또는 이들의 조합으로 이루어질 수 있다.In the present invention, the concave-convex structure may be made of hemispherical, polygonal or a combination thereof in the cross section.

본 발명에서 확산시트는 PVC, 폴리에틸렌(PE), PE계 공중합수지, 폴리프로필렌(PP), 폴리메틸메타크릴레이트(PMMA), 변성 PMMA, 폴리카보네이트(PC), 폴리에틸렌테레프탈레이트(PET), 페놀, 멜라민, 불포화 폴리에스터, 아크릴계 우레탄, 아크릴계 에폭시, 아크릴계 폴리에스터 중에서 선택되는 1종 이상의 수지를 포함한다.In the present invention, the diffusion sheet is PVC, polyethylene (PE), PE copolymer resin, polypropylene (PP), polymethyl methacrylate (PMMA), modified PMMA, polycarbonate (PC), polyethylene terephthalate (PET), phenol And at least one resin selected from melamine, unsaturated polyester, acrylic urethane, acrylic epoxy, and acrylic polyester.

이하 본 발명을 첨부된 도면을 참조하여 설명하면 다음과 같다.Hereinafter, the present invention will be described with reference to the accompanying drawings.

도 2는 본 발명의 제1실시예에 따른 타포린 시트의 단면도로서, 위로부터 PVC시트(21), 직포(22), 확산시트(23)로 구성된다.2 is a cross-sectional view of a tarpaulin sheet according to a first embodiment of the present invention, which is composed of a PVC sheet 21, a woven fabric 22, and a diffusion sheet 23 from above.

PVC시트(21)는 PVC를 베이스수지로 사용하고 가소제, 열안정제 등을 첨가하여 캘린더 공법으로 제작한 시트이다.The PVC sheet 21 is a sheet produced by calendering method using PVC as a base resin and adding a plasticizer, a heat stabilizer, and the like.

직포(22)는 폴리에스터, 나일론 등으로 구성되며, 치수안정성 등을 부여한 다.The woven fabric 22 is made of polyester, nylon, or the like, and imparts dimensional stability and the like.

확산시트(23)는 열가소성 수지인 PVC, PE, PE계 공중합수지, PP, PMMA, 변성 PMMA, PC, PET, 열경화성 수지인 페놀, 멜라민, 불포화 폴리에스터, 자외선 경화형 수지인 아크릴계 우레탄, 아크릴계 에폭시, 아크릴계 폴리에스터 등의 수지를 사용하여 제작한 시트이다.Diffusion sheet 23 is a thermoplastic resin PVC, PE, PE copolymer resin, PP, PMMA, modified PMMA, PC, PET, thermosetting resin phenol, melamine, unsaturated polyester, UV curable resin acrylic urethane, acrylic epoxy, It is a sheet produced using resins such as acrylic polyester.

확산시트(23)는 요철구조의 확산층(24)을 포함하며, 요철구조는 그 단면상으로 도면에 도시된 반구형 이외에, 다각형 또는 이들의 조합으로 이루어질 수 있다.The diffusion sheet 23 includes a diffusion layer 24 having a concave-convex structure, and the concave-convex structure may be made of polygons or a combination thereof, in addition to the hemispherical shape shown in the drawing in cross section.

확산시트(23)는 광학특성이 우수한 수지로 형성되는데, 한쪽 표면에 반구형 등의 요철면으로 이루어진 확산층(24)을 구비함으로써, 광원이 확산시트(23) 방향으로 투사되면 빛이 확산시트(23)의 미세한 요철면(24)에 부딪혀 산란 및 확산하게 된다.The diffusion sheet 23 is formed of a resin having excellent optical characteristics. When the light source is projected toward the diffusion sheet 23 by the diffusion layer 24 made of a concave-convex surface such as a hemispherical shape on one surface, light is diffused. It hits the fine concave-convex surface 24 of) and scatters and diffuses.

빛이 산란 및 확산되는 정도는 확산시트(23)에 형성된 요철면(24)의 형상요소인 반구 등의 크기, 밀도, 그리고 사용된 수지의 굴절율에 따라서 조절 가능하다. 이로 인해 빛의 투과율이 향상되고, 광고면에서의 조도가 향상된다. 그리고 광원이 직접 투사되는 영역과 광원 위치에서 벗어난 부분의 조명 밝기 차이가 빛의 확산에 의해 줄어들게 되고, 광고면에서 넓은 시야각을 확보할 수 있다.The extent to which light is scattered and diffused can be adjusted according to the size, density, and refractive index of the resin used, which are the shape elements of the uneven surface 24 formed on the diffusion sheet 23. This improves light transmittance and improves illuminance at the advertisement surface. In addition, the difference in illumination brightness between the area where the light source is directly projected and the portion away from the light source location is reduced by the diffusion of light, and a wide viewing angle can be secured in the advertisement surface.

직포(22)와 PVC시트(21) 및/또는 확산시트(23)의 합판은 접착제 등을 이용하여 수행한다.Plywood of the woven fabric 22 and the PVC sheet 21 and / or diffusion sheet 23 is performed using an adhesive or the like.

도 3은 본 발명의 제2실시예에 따른 타포린 시트의 단면도로서, 도 2와는 반대로, 타포린 시트의 전면에는 PVC시트(21)로 구성하고, 후면에는 확산시트(23)로 구성하며, 두 시트 사이에 직포(22)를 위치시켜 합판한 구조를 갖는다.3 is a cross-sectional view of a tarpaulin sheet according to a second embodiment of the present invention, in contrast to FIG. 2, the front surface of the tarpaulin sheet is composed of a PVC sheet 21, the rear surface is composed of a diffusion sheet 23, and two sheets. The woven fabric 22 is positioned in between to have a plywood structure.

도 4는 본 발명의 제3실시예에 따른 타포린 시트의 단면도로서, 요철면을 지닌 확산시트(23)를 전후면에 구성하고, 두 시트 사이에 직포(22)를 위치시켜 층상구조로 합지한 구조를 갖는다.4 is a cross-sectional view of a tarpaulin sheet according to a third embodiment of the present invention, in which a diffusion sheet 23 having an uneven surface is formed in front and rear surfaces, and a woven fabric 22 is disposed between two sheets to form a laminated structure. Has a structure.

본 발명을 수행하기 위한 실시예를 설명하면 다음과 같다.An embodiment for carrying out the present invention will be described below.

[실시예 1]Example 1

기존 타포린 시트의 전후면의 PVC시트 중 후면을 반구형의 요철면으로 이루어진 확산층을 갖는 확산시트(23)로 대체하여 직포(22)와 전면의 PVC시트(21)를 합지함으로써, 도 2와 같은 구조의 타포린 시트를 제작하였다.Of existing tarpaulin sheet The tarpaulin sheet having the structure as shown in FIG. Produced.

PVC시트(21)는 PVC 100 중량부, 가소제(DOP) 45 중량부, 바륨-아연계 열안정제 5 중량부 및 안료 3 중량부를 혼합한 후 캘린더 공법으로 두께 0.1 ㎜의 시트로 제조하였다.The PVC sheet 21 was mixed with 100 parts by weight of PVC, 45 parts by weight of a plasticizer (DOP), 5 parts by weight of barium-zinc-based heat stabilizer, and 3 parts by weight of pigment, and then prepared into a sheet having a thickness of 0.1 mm by a calendering method.

직포(22)는 폴리에스터 섬유로 제직한 두께 0.2 ㎜인 것을 사용하였다.The woven fabric 22 used was 0.2 mm thick made of polyester fiber.

확산시트(23)는 PVC시트(21)와 동일한 조성으로 두께 0.15 ㎜의 시트로 제조하였다.The diffusion sheet 23 was made of a sheet having a thickness of 0.15 mm in the same composition as the PVC sheet 21.

직포(22)와 PVC시트(21) 및/또는 확산시트(23)의 합판은 PVC 100 중량부와 이소시아네이트계 가교제 1 중량부를 포함하는 접착제를 이용하여 수행하였으며, 확산시트(23)의 표면에 엠보싱을 실시하여 반구형의 확산층(24)을 형성하였다.Plywood of the woven fabric 22 and the PVC sheet 21 and / or the diffusion sheet 23 was performed using an adhesive containing 100 parts by weight of PVC and 1 part by weight of isocyanate-based crosslinking agent, embossed on the surface of the diffusion sheet 23 Was carried out to form a hemispherical diffusion layer 24.

[실시예 2]Example 2

기존 타포린 시트의 전후면의 PVC시트 중 전면을 반구형의 요철면으로 이루 어진 확산층을 갖는 확산시트(23)로 대체하여 직포(22)와 후면의 PVC시트(21)를 합지함으로써, 도 3과 같은 구조의 타포린 시트를 제작하였으며, 각층의 구성과 제조방법은 실시예 1과 동일하다.By replacing the front sheet of the PVC sheet on the front and rear of the tarpaulin sheet with a diffusion sheet 23 having a diffusion layer consisting of a hemispherical uneven surface by laminating the woven fabric 22 and the PVC sheet 21 on the rear, as shown in FIG. The tarpaulin sheet of the structure was produced, and the structure and manufacturing method of each layer were the same as in Example 1.

[실시예 3]Example 3

기존 타포린 시트의 전후면 양쪽의 PVC시트를 반구형의 요철면을 지닌 확산시트(23)로 대체하고, 두 확산시트(23) 사이에 직포(22)를 위치시고 합지함으로써, 도 4와 같은 구조의 타포린 시트를 제작하였으며, 각층의 구성과 제조방법은 실시예 1과 동일하다.By replacing the PVC sheet on both front and rear surfaces of the existing tarpaulin sheet with a diffusion sheet 23 having a hemispherical uneven surface, and placing the woven fabric 22 between the two diffusion sheet 23 and laminated, the structure as shown in FIG. Tarpaulin sheet was produced, and the structure and manufacturing method of each layer are the same as in Example 1.

본 발명에 의한 확산시트를 가지는 타포린 시트는 조사되는 광원의 빛을 확산시켜 넓은 시야각과 높은 조도를 제공한다. 따라서 기존의 타포린 시트와 비교했을 때, 같은 밝기를 유지하는데 전력 소모량이 적어 절전효과를 기대할 수 있다.The tarpaulin sheet having a diffusion sheet according to the present invention diffuses the light of the irradiated light source to provide a wide viewing angle and high illuminance. Therefore, compared to the existing tarpaulin sheet, the power consumption is low to maintain the same brightness can be expected power saving effect.

Claims (6)

요철구조의 확산층을 갖는 확산시트를 포함하는 타포린 시트.A tarpaulin sheet comprising a diffusion sheet having a diffusion layer having an uneven structure. 제1항에 있어서, 타포린 시트가 위로부터 폴리염화비닐(PVC) 시트, 직포, 확산시트로 구성되는 것을 특징으로 하는 타포린 시트.The tarpaulin sheet according to claim 1, wherein the tarpaulin sheet is composed of a polyvinyl chloride (PVC) sheet, a woven fabric, and a diffusion sheet from above. 제1항에 있어서, 타포린 시트가 위로부터 확산시트, 직포, 폴리염화비닐(PVC) 시트로 구성되는 것을 특징으로 하는 타포린 시트.The tarpaulin sheet according to claim 1, wherein the tarpaulin sheet is composed of a diffusion sheet, a woven fabric, and a polyvinyl chloride (PVC) sheet from above. 제1항에 있어서, 타포린 시트가 위로부터 확산시트, 직포, 확산시트로 구성되는 것을 특징으로 하는 타포린 시트.The tarpaulin sheet according to claim 1, wherein the tarpaulin sheet is composed of a diffusion sheet, a woven fabric, and a diffusion sheet from above. 제1항에 있어서, 요철구조가 그 단면상으로 반구형, 다각형 또는 이들의 조합으로 이루어진 것을 특징으로 하는 타포린 시트.The tarpaulin sheet according to claim 1, wherein the concave-convex structure has a hemispherical shape, a polygonal shape, or a combination thereof. 제1항에 있어서, 확산시트가 폴리염화비닐(PVC), 폴리에틸렌(PE), 폴리에틸렌계 공중합수지, 폴리프로필렌(PP), 폴리메틸메타크릴레이트(PMMA), 변성 폴리메틸메타크릴레이트, 폴리카보네이트(PC), 폴리에틸렌테레프탈레이트(PET), 페놀, 멜라민, 불포화 폴리에스터, 아크릴계 우레탄, 아크릴계 에폭시, 아크릴계 폴리에스 터 중에서 선택되는 1종 이상의 수지를 포함하는 것을 특징으로 하는 타포린 시트.The method of claim 1, wherein the diffusion sheet is a polyvinyl chloride (PVC), polyethylene (PE), polyethylene copolymer resin, polypropylene (PP), polymethyl methacrylate (PMMA), modified polymethyl methacrylate, polycarbonate (PC) A tarpaulin sheet comprising at least one resin selected from polyethylene terephthalate (PET), phenol, melamine, unsaturated polyester, acrylic urethane, acrylic epoxy, and acrylic polyester.
KR1020070022295A 2007-03-07 2007-03-07 Tarpaulin sheet having excellent light diffusion effect KR101355714B1 (en)

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