KR20030033442A - A layer film for laminating - Google Patents
A layer film for laminating Download PDFInfo
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- KR20030033442A KR20030033442A KR1020010065228A KR20010065228A KR20030033442A KR 20030033442 A KR20030033442 A KR 20030033442A KR 1020010065228 A KR1020010065228 A KR 1020010065228A KR 20010065228 A KR20010065228 A KR 20010065228A KR 20030033442 A KR20030033442 A KR 20030033442A
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- film
- layer
- laminate
- laminated
- eva
- Prior art date
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- 238000010030 laminating Methods 0.000 title abstract description 11
- 239000010408 film Substances 0.000 claims abstract description 44
- 239000012790 adhesive layer Substances 0.000 claims abstract description 13
- 239000010409 thin film Substances 0.000 claims abstract description 9
- 239000012943 hotmelt Substances 0.000 claims abstract description 8
- 229920006267 polyester film Polymers 0.000 claims description 17
- 239000005001 laminate film Substances 0.000 claims description 11
- 229920005989 resin Polymers 0.000 claims description 7
- 239000011347 resin Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 5
- 239000002344 surface layer Substances 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 229920001684 low density polyethylene Polymers 0.000 claims description 4
- 239000004702 low-density polyethylene Substances 0.000 claims description 4
- 238000009820 dry lamination Methods 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims 2
- 238000009474 hot melt extrusion Methods 0.000 claims 2
- 239000011248 coating agent Substances 0.000 claims 1
- 229940099514 low-density polyethylene Drugs 0.000 claims 1
- 239000002356 single layer Substances 0.000 claims 1
- 239000010410 layer Substances 0.000 abstract description 36
- 239000005038 ethylene vinyl acetate Substances 0.000 abstract description 19
- 239000004698 Polyethylene Substances 0.000 abstract description 8
- 238000004049 embossing Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 229920000728 polyester Polymers 0.000 abstract description 4
- 239000004831 Hot glue Substances 0.000 abstract description 3
- 229920000573 polyethylene Polymers 0.000 abstract description 2
- 239000002355 dual-layer Substances 0.000 abstract 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 18
- 238000003475 lamination Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000007765 extrusion coating Methods 0.000 description 4
- 238000002844 melting Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 2
- 239000003522 acrylic cement Substances 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000007665 sagging Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
Classifications
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- 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
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- 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
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
-
- 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
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/306—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl acetate or vinyl alcohol (co)polymers
-
- 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
-
- 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
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
-
- 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
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
- B32B3/30—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
-
- 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
- B32B37/15—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state
- B32B37/153—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state at least one layer is extruded and immediately laminated while in semi-molten state
-
- 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
- B32B7/00—Layered 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
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1207—Heat-activated adhesive
- B32B2037/1215—Hot-melt adhesive
-
- 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
- B32B2250/00—Layers arrangement
- B32B2250/24—All layers being polymeric
Landscapes
- Laminated Bodies (AREA)
Abstract
Description
본 발명은 라미네이트필름의 제조공정 및 라미네이트 과정에서 발생되는 각종 라미네이트필름의 문제점을 종합적으로 해결한 표면층을 PVC필름, 중간층을 폴리에스텔필름으로 적층하고 폴리에스텔필름에 피착체와 저온열접착을 갖는 EVA층을 형성시킨 라미네이트용필름에 관한 것으로 구체적으로는 사진이나 인쇄물, 광고물 그리고 주요문서 등을 영구적으로 보존할 수 있고 특히 사진이나 인쇄물을 품위 있고 고풍스런 질감을 현출하기 위하여 엠보싱 처리 효과가 우수한 PVC필름을 표면층으로 하고 열 안정성이 좋지 않는 PVC필름에 폴리에스텔필름을 적층하여 보강함으로서 치수 안정성을 향상시킬 수 있고 라미네이트필름 제조시나 동 필름으로 라미네이트할 때 필름의 신장이나 수축, 처짐 현상을 방지할 수 있으며 핫멜트 접착 필름층을 폴리에스텔필름에 형성시킴으로 PVC필름이 열에 약해 라미네이팅 작업이 불안정한 것을 크게 개선시킬 수 있는 라미네이트용 적층 필름에 관한 것이다.The present invention is a EVA film having a laminate film and a low temperature thermal adhesive on the polyester film laminated on the surface layer of the PVC film, the intermediate layer with a polyester film, which solves the problems of various laminate films generated in the manufacturing process and lamination process of the laminate film It is a layered laminate film. Specifically, it can permanently preserve photographs, prints, advertisements, and main documents, and especially PVC which has excellent embossing effect in order to produce a classy and antique texture of photographs or prints. It is possible to improve the dimensional stability by laminating and reinforcing polyester film on PVC film which has a film as surface layer and poor thermal stability, and it can prevent the film from stretching, shrinking and sagging when making laminate film or laminating with copper film. And hot melt adhesive film layer of polyester The laminated weak sikimeuro PVC film formed on the film, the heat work relates to a laminated multilayer film that can substantially improve the instability.
종래 본 발명에 의한 필름과 유사한 용도로 사용되는 라미네이트용필름으로 표면층이 폴리에스텔필름(PET), 점착제층, PVC필름층, EVA층으로 적층된 라미네이트용필름은 라미네이트기를 통과한 후에는 보호 및 지지기능을 갖는 폴리에스텔필름이 점착층에서 분리되어 제거되고 피착층에는 PVC필름과 접착층인 핫멜트층(EVA)층만 남게된다.Conventionally, the laminate film used for a similar purpose to the film according to the present invention is a laminate film laminated with a polyester film (PET), pressure-sensitive adhesive layer, PVC film layer, EVA layer is protected and supported after passing through the laminate machine The polyester film having the function is separated and removed from the adhesive layer, and only the hot melt layer (EVA) layer, which is the PVC film and the adhesive layer, remains on the adhered layer.
이상에서 폴리에스텔필름은 다시 사용할 수 없고 폐기되어야하므로 우선 고가의 재료손실이 발생할 뿐만 아니라 피착물상에 라미네이팅된 엠보싱필름 표면에 점착제의 일부분이 남게되어 먼지 등이 첨착될 오염의 원인을 제공한다.Since the polyester film can not be used again and must be discarded, an expensive material loss occurs first, and a part of the adhesive remains on the surface of the laminated embossed film on the adherend, thereby providing a cause of contamination such as dust.
또 제조 공정상에서 PVC의 열 안정성 부족으로 접착층으로 되는 EVA의 압출코팅시 밀림현상, 처짐 현상, 늘어남 현상 등의 발생으로 작업성이 극히 좋지 않아 불량손실이 커지는 문제점이 발생한다.In addition, due to the lack of thermal stability of the PVC during the extrusion coating of EVA, which becomes an adhesive layer due to the lack of thermal stability, sagging phenomenon, elongation phenomenon, such as the workability is extremely poor due to the problem that the defect loss increases.
그밖에도 당사에서 출원한바있는 특허출원 제 13209호(2000. 3. 15일자)의 "라미네이트용 적층필름"은 PVC필름, 아크릴계접착제층, 저밀도폴리에치렌박막필름층, EVA박막층, 폴리에스텔필름층, 아크릴계접착제층, 피착물과 접착면을 형성하는 EVA층으로 적층시킨 구성으로 되어있어 표면층이 PVC필름으로 적층되어 엠보싱에 의한 현출효과를 얻을 수 있고 접착성도 좋으나 극히 다층구조로 되어있어 제조시 많은 원재료가 소요되고 또한 적층공정이 복잡하여 생산성이 떨어지며 층이 두꺼워 라미네이트시 한정된 시간에 로울러로 부터 피착물에 접착되는 접착층까지 열 전달이 늦어짐으로서 자연히 로울러의 온도를 상승시킬 수밖에 없게되므로 로울러와 맞닿는 PVC필름 표면의 엠보싱 무늬가 손상될 수 있는 경우가 발생하게된다.In addition, the "Laminated Laminated Film" of the patent application No. 13209 (date of March 15, 2000) filed by the company is PVC film, acrylic adhesive layer, low density polyethylene thin film layer, EVA thin film layer, polyester film layer It is composed of acrylic adhesive layer, EVA layer forming adherend and adhesive surface, and the surface layer is laminated with PVC film, so that the effect of embossing can be obtained and the adhesiveness is good, but it is extremely multilayered. As raw materials are required and the lamination process is complicated, productivity is reduced and the layer is thick. Laminating heat transfers from the rollers to the adhesive layer adhered to the adherend in a limited time during lamination, which inevitably raises the temperature of the rollers. The embossing pattern on the film surface may be damaged.
본 발명은 엠보싱된 PVC필름을 표면층으로 함으로써 사진, 인쇄물, 광고물에 라미네이팅후 고풍스럽고 중량감있는 미감을 얻을 수 있고 열변형이 적고 열적안정성이 좋은 폴리에스텔필름을 중간층에 적층시킴으로서 라미네이트시에 밀림현상, 처짐 현상 등을 방지할 수 있으며 간결한 적층구조로 되어있어 로울러로부터 쉽게 열 전달이 되어 빠른 시간 내에 쉽게 핫멜트 수지인 에칠렌 초산비닐수지(EVA)가 저온에서도 쉽게 접착력을 갖게되어 순간적으로 피착물에 접착하게 됨으로 PVC층의 열에 의한 엠보싱 손상이 없는 라미네이트용 적층필름을 제공함에 목적이 있다 하겠다.According to the present invention, the surface of the embossed PVC film is laminated to photographs, prints, and advertisements, so that the old-fashioned and heavy aesthetics can be obtained. It is able to prevent sag and deflection, and it has a simple laminated structure, so heat is easily transferred from the rollers, and Ethylene vinyl acetate resin (EVA), which is a hot melt resin, is easily adhered to the adherend at a low temperature. The purpose of the present invention is to provide a laminated film for lamination without embossing damage due to the heat of the PVC layer.
도 1a는 본 발명에 의한 라미네이트용 적층필름의 단면도,1a is a cross-sectional view of a laminated film for a laminate according to the present invention,
도 1b는 본 발명에 의한 다른 실시예의 라미네이트용 적층필름의 단면도이다.Figure 1b is a cross-sectional view of a laminated film for a laminate of another embodiment according to the present invention.
본 발명은 표면층을 엠보싱된 PVC필름으로 구성함으로서 라미네이트 처리후 엠보싱 효과를 최대한 발휘할 수 있고, 중간층으로 폴리에스텔필름을 적층시킴으로서 열 안정성이 부족한 PVC필름을 보강함으로서 칫수안정성 및 열변형의 방지 그리고 라미네이트필름 제조시나 완제품으로 피착물에 라미네이트 때 신장 또는 수축으로 인한 늘어남의 방지 및 밀림방지를 할 수 있고 특히 라미네이트후 폴리에스텔이 제거되는 종래 라미네이트적층필름인 제거형(Removable Type)의 라미네이트필름 제조 적층공정에서 열 안정성이 좋지 않은 PVC 필름에 EVA를 열용융 압출방법으로 형성시켜서된 것을 폴리에스텔필름층에 EVA 접착층을 형성시킴으로 일그러짐 등이 자주 발생되는 작업의 나이성을 해결할 수 있는 라미네이트용 적층필름으로 구체적인구성방법으로는 25㎛ 전후의 폴리에스텔필름에 PE 압출코팅인 티다이(T-die)열용융 PE압출코팅이나 드라이 라미네이트 방법으로 접착제를 도포하고 건조과정을 거친 후에 100㎛ 전후의 PVC필름을 적층시키고 폴리에스텔 외측면에 핫멜트(Hot melt)수지로서 EVA 또는 PE 및 EVA의 2중층 구조로 적층된 라미네이트시트용 적층필름이라 할 수 있다.The present invention can maximize the embossing effect after the lamination treatment by configuring the surface layer of the embossed PVC film, and by reinforcing the PVC film lacking thermal stability by laminating the polyester film as an intermediate layer, preventing the dimensional stability and thermal deformation and laminate film It is possible to prevent elongation or shrinkage due to elongation or shrinkage when manufacturing or to laminate the adherend as a finished product, and especially in the laminating process of manufacturing a laminate type laminate film which is a conventional laminate laminated film in which polyester is removed after lamination. It is composed of laminated film for laminate that can solve the aging of work that is frequently caused by distortion by forming EVA adhesive layer on the polyester film layer by forming EVA on the PVC film with poor thermal stability. 25 way T-die hot melt PE extrusion coating or dry lamination method, which is PE extrusion coating, is applied to the polyester film before and after the μm and after drying, PVC film around 100 μm is laminated and the outer side of polyester It may be referred to as a laminate film for laminate sheets laminated in a double layer structure of EVA or PE and EVA as a hot melt resin.
결국 본 발명에 의한 라미네이트용 적층필름에 전체적인 구조는 표면층이 엠보싱(1)처리된 PVC필름(2), 접착제층(3), 폴리에스텔필름층(4), 핫멜트 접착층인 EVA 박막층(5)의 순서로 적층되고 필요에 따라서는 상기 접착층이 PE 박막층(6) 및 EVA 박막층의 2층 구조로 접착층을 형성시킨 라미네이트용 적층필름이다.After all, the overall structure of the laminated film for a laminate according to the present invention is the surface of the embossed PVC film (2), the adhesive layer (3), the polyester film layer (4), the hot melt adhesive layer of EVA thin film layer (5) It is laminated | stacked in order and the said adhesive layer is a laminated | multilayer film for laminates in which the adhesive layer was formed in the 2-layer structure of PE thin film layer 6 and EVA thin film layer as needed.
여기에서 폴리에칠렌박막층(6)은 연화온도가 50-60℃로 낮고 융점이 낮고 용융점도가 낮은 저밀도폴리에칠렌을 사용하고 에칠렌초산비닐공중합수지(EVA)는 초산비닐의 함유량을 조절 저밀도폴리에칠렌보다 낮은 열융점을 갖는 EVA 수지를 사용한다.Here, the polyethylene thin film layer 6 uses low density polyethylene having a low softening temperature of 50-60 ° C., low melting point, and low melt viscosity, and the vinyl acetate copolymer copolymer (EVA) controls the content of vinyl acetate, which has a lower heat melting point than the low density polyethylene. EVA resin is used.
이와 같은 구조의 라미네이트용적층필름의 특징은 폴리에스텔필림층(4)에 피착물의 접착층을 형성시킴으로서 필름제조공정의 하나인 열용융 PE 또는 EVA 압출코팅시 폴리에스텔필름의 우수한 열 안정성으로 PVC필름을 보강함으로서 늘어남, 밀림, 일그러짐 등의 현상을 방지할 수 있고 또한 완제품의 적층필름으로 라미네이트 작업을 할 경우에도 로울러의 불 균일한 전단응력으로 발생하는 열변형의 문제점을 방지할 수 있고 치수 안정성을 확보할 수 있다.The laminated film of this structure is characterized by forming the adhesive layer of the adherend on the polyester film layer (4) to the PVC film with excellent thermal stability of the polyester film during the hot melt PE or EVA extrusion coating as one of the film manufacturing process By reinforcing, it is possible to prevent phenomena such as stretching, rolling, and distortion, and also to prevent problems of thermal deformation caused by uneven shear stress of the roller even when laminating with laminated film of finished product, and to secure dimensional stability. can do.
그밖에도 적층필름의 두께가 엷고 접착층인 열용융 핫멜트 EVA수지층이 저온에서도 열 접착력을 발생함으로서 종래 보다 저온에서 라미네이트가 가능함으로 표면층인 엠보싱된 PVC필름의 엠보싱에 열에 의한 손상이 없는 라미네이트용 적층필름이라 할 수 있다.In addition, the laminated film for lamination is thin and the heat-melting hot-melt EVA resin layer, which is an adhesive layer, is capable of laminating at a lower temperature than conventionally. This can be called.
상술한 바와 같이 표면이 엠보싱된 PVC필름으로 라미네이트한 사진, 인쇄물, 광고물, 중요문서 등은 고풍스럽고 중후감이 있는 미감을 갖게 하고 특히 저온 열처리로 라미네이트가 가능하므로 엠보싱된 무늬가 열에 의해 손상이 되지 않으며 중간층에 폴리에스텔필름을 적층시킴으로 적층필름의 제조공정이나 완제품으로 라미네이팅시 작업이 용이함으로서 불량률을 크게 줄일 수 있는 라미네이트용 적층필름이라 할 수 있다.As mentioned above, photos, printed matter, advertisements, important documents, etc. laminated with PVC film embossed on the surface have a sense of antique and profound feeling, and in particular, it can be laminated by low temperature heat treatment, so that the embossed pattern is not damaged by heat. By laminating the polyester film on the intermediate layer, it can be said to be a laminated film for lamination which can greatly reduce the defective rate by facilitating the work during laminating the manufacturing process or finished product of the laminated film.
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