JPH04361671A - Processing release paper - Google Patents
Processing release paperInfo
- Publication number
- JPH04361671A JPH04361671A JP13675391A JP13675391A JPH04361671A JP H04361671 A JPH04361671 A JP H04361671A JP 13675391 A JP13675391 A JP 13675391A JP 13675391 A JP13675391 A JP 13675391A JP H04361671 A JPH04361671 A JP H04361671A
- Authority
- JP
- Japan
- Prior art keywords
- release paper
- release layer
- base material
- synthetic leather
- layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 claims description 31
- 239000000463 material Substances 0.000 claims description 29
- 239000002649 leather substitute Substances 0.000 abstract description 20
- 239000002932 luster Substances 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 229920003002 synthetic resin Polymers 0.000 abstract description 6
- 239000000057 synthetic resin Substances 0.000 abstract description 6
- 239000000758 substrate Substances 0.000 abstract 1
- 239000000123 paper Substances 0.000 description 28
- 239000011347 resin Substances 0.000 description 16
- 229920005989 resin Polymers 0.000 description 16
- 238000010586 diagram Methods 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 238000004049 embossing Methods 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 239000004814 polyurethane Substances 0.000 description 5
- 229920000178 Acrylic resin Polymers 0.000 description 4
- 239000004925 Acrylic resin Substances 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 239000010985 leather Substances 0.000 description 4
- -1 polypropylene Polymers 0.000 description 4
- 229920001155 polypropylene Polymers 0.000 description 4
- 229920002635 polyurethane Polymers 0.000 description 4
- 239000004800 polyvinyl chloride Substances 0.000 description 4
- 239000002655 kraft paper Substances 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 229920000915 polyvinyl chloride Polymers 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- 206010040844 Skin exfoliation Diseases 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000010076 replication Effects 0.000 description 2
- 229920005992 thermoplastic resin Polymers 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000003851 corona treatment Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 229920013716 polyethylene resin Polymers 0.000 description 1
- 239000011116 polymethylpentene Substances 0.000 description 1
- 229920000306 polymethylpentene Polymers 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
Landscapes
- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
- Laminated Bodies (AREA)
- Paper (AREA)
Abstract
Description
【０００１】0001
【産業上の利用分野】本発明は工程剥離紙、特に玉虫光
沢を有する合成皮革製造に用いられる工程剥離紙に関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a process release paper, and more particularly to a process release paper used in the manufacture of synthetic leather having an iridescent luster.
【０００２】0002
【従来の技術】従来から製造されている合成皮革には、
工程剥離紙上にペースト状のポリウレタン（ＰＵ）樹脂
を塗布し、乾燥・固化した後に基材と貼合したＰＵレザ
ー、工程剥離紙上にペースト状のＰＵ樹脂を塗布して乾
燥・固化した後、ＰＶＣ発泡層を形成して基材と貼合し
たセミ合皮、および工程剥離紙上に塩化ビニル（ＰＶＣ
）樹脂ゾルを塗布し、加熱・ゲル化した後にＰＶＣ発泡
層を形成して基材と貼合したＰＶＣレザー等がある。[Prior Art] Conventionally manufactured synthetic leather includes:
Process A paste-like polyurethane (PU) resin is applied on a release paper, dried and solidified, and then PU leather is bonded to the base material.A paste-like PU resin is applied on a process release paper, dried and solidified, and then PVC Semi-synthetic leather with a foam layer formed and bonded to the base material, and polyvinyl chloride (PVC) on the process release paper.
) There is PVC leather, etc., in which a resin sol is applied, heated and gelled, and then a PVC foam layer is formed and bonded to a base material.
【０００３】従来、このような合成皮革の合成樹脂層表
面に玉虫光沢を付与する場合、基材に形成された合成樹
脂層上に蒸着プライマー層を形成し、この蒸着プライマ
ー層上に金属蒸着層を設け、さらに金属蒸着層上に透明
樹脂薄膜層を形成することが一般に行われていた。Conventionally, when imparting an iridescent luster to the surface of the synthetic resin layer of synthetic leather, a vapor-deposited primer layer is formed on the synthetic resin layer formed on the base material, and a metal vapor-deposited layer is formed on the vapor-deposited primer layer. It has been common practice to provide a transparent resin thin film layer on the metal vapor deposited layer.
【０００４】0004
【発明が解決しようとする課題】しかしながら、上述の
ように合成樹脂層表面に蒸着プライマー層、金属蒸着層
および透明樹脂薄膜層を形成することにより、製造工程
が煩雑になるとともに、原材料ロスが増加して製造コス
トの増大を来していた。また、上記の各層は塗布および
蒸着により形成されていることから、塗布ムラ、蒸着ム
ラ、各層の脱落等により合成皮革の外観が著しく損なわ
れるとともに、各層の均一化、安定化は技術的に困難で
あるという製造上の問題もあった。[Problems to be Solved by the Invention] However, as described above, forming a vapor-deposited primer layer, a metal-deposited layer, and a transparent resin thin film layer on the surface of the synthetic resin layer complicates the manufacturing process and increases raw material loss. This resulted in an increase in manufacturing costs. In addition, since each of the above layers is formed by coating and vapor deposition, the appearance of the synthetic leather is significantly impaired due to uneven coating, uneven vapor deposition, and falling off of each layer, and it is technically difficult to make each layer uniform and stable. There was also a manufacturing problem.
【０００５】本発明は、このような事情に鑑みてなされ
たものであり、工程離型紙による合成皮革製造と同時に
合成皮革に玉虫光沢を付与することのできる工程離型紙
を提供することを目的とする。The present invention was made in view of the above circumstances, and an object of the present invention is to provide a process release paper that is capable of producing synthetic leather using the process release paper and imparting an iridescent luster to synthetic leather at the same time. do.
【０００６】[0006]
【課題を解決するための手段】このような目的を達成す
るために、本発明の工程離型紙は基材と、該基材の少な
くとも一方の面に設けられた剥離層とを有し、前記剥離
層の表面には微細凹凸が形成されているような構成とし
た。[Means for Solving the Problems] In order to achieve the above object, the process release paper of the present invention has a base material and a release layer provided on at least one surface of the base material, The release layer has a structure in which fine irregularities are formed on the surface.
【０００７】[0007]
【作用】工程剥離紙は基材の上に離型層を備えており、
この離型層表面には微細凹凸が形成されているため、こ
の工程剥離紙上に合成樹脂を塗布して合成皮革を製造す
る際に、同時に合成皮革表面に微細凹凸が形成され、こ
の微細凹凸によって合成皮革に玉虫光沢が付与される。[Function] Process release paper has a release layer on the base material,
Since fine irregularities are formed on the surface of this release layer, when synthetic resin is applied on the release paper in this process to produce synthetic leather, fine irregularities are simultaneously formed on the surface of the synthetic leather, and these fine irregularities Adds an iridescent luster to synthetic leather.
【０００８】[0008]
【実施例】以下、本発明の実施例について図面を参照し
て説明する。図１は本発明の工程離型紙の一例を示す概
略断面図である。図１において工程離型紙１は基材２の
片面に離型層３を備え、この離型層３の表面には微細凹
凸４が形成されている。Embodiments Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a schematic cross-sectional view showing an example of the process release paper of the present invention. In FIG. 1, a process release paper 1 includes a release layer 3 on one side of a base material 2, and fine irregularities 4 are formed on the surface of the release layer 3.
【０００９】基材２としては、クラフト紙、上質紙等の
紙、プラスチックフィルム、金属箔、織布、不織布等、
あるいはこれらの積層体を使用することができる。また
、基材２の離型層３形成側の面は、基材２と離型層３と
の接着性を高めるために予め加熱あるいはコロナ放電処
理を施してもよい。離型層３の形成には、紫外線硬化ま
たは電子線硬化可能なアクリル系樹脂、ポリエチレン系
樹脂、ポリプロピレン系樹脂、ポリメチルペンテン系樹
脂等の公知の熱可塑性樹脂を使用することができ、合成
皮革用表面樹脂との剥離性を考慮して選定することがで
きる。[0009] As the base material 2, paper such as kraft paper, high-quality paper, plastic film, metal foil, woven fabric, non-woven fabric, etc.
Alternatively, a laminate of these can be used. Further, the surface of the base material 2 on the side where the mold release layer 3 is formed may be heated or subjected to a corona discharge treatment in advance in order to improve the adhesiveness between the base material 2 and the mold release layer 3. For forming the release layer 3, known thermoplastic resins such as ultraviolet curable or electron beam curable acrylic resins, polyethylene resins, polypropylene resins, and polymethylpentene resins can be used. The material can be selected in consideration of releasability from the surface resin.
【００１０】ここで、表面に微細凹凸４を備えた離型層
３の形成について説明する。図２は離型層３の形成方法
の一例を示す図である。図２において、基材２上には離
型層用の樹脂が塗布され、この離型層用の樹脂が未硬化
の状態でホログラム複製シート５が樹脂面に圧着される
とともに、紫外線または電子線が照射される。これによ
り、基材２上の離型層用樹脂が硬化されて離型層３が形
成されると同時に、この離型層３の表面にはホログラム
複製シート５の微細凹凸に対応した微細凹凸が転写形成
される。使用するホログラム複製シート５は、例えばホ
ログラムのプレスマスタ版のレリーフ面に剥離処理を行
った後に金属メッキを施し、この金属膜を剥離して形成
したレリーフ版を用いて熱可塑性樹脂シートを熱プレス
して形成することができる。[0010] Here, the formation of the mold release layer 3 having the fine irregularities 4 on its surface will be explained. FIG. 2 is a diagram showing an example of a method for forming the mold release layer 3. In FIG. 2, a resin for a mold release layer is applied onto a base material 2, and a hologram duplication sheet 5 is pressed onto the resin surface while the resin for a mold release layer is uncured, and at the same time is irradiated. As a result, the resin for the mold release layer on the base material 2 is cured to form the mold release layer 3, and at the same time, the surface of the mold release layer 3 has fine irregularities corresponding to the fine irregularities of the hologram duplication sheet 5. Formed by transfer. The hologram duplication sheet 5 used is, for example, a relief surface of a hologram press master plate subjected to a peeling treatment and then metal plated, and the relief plate formed by peeling off this metal film is used to hot press a thermoplastic resin sheet. can be formed by
【００１１】図３は離型層３の形成方法の他の一例を示
す図である。図３において、Ｔダイ６から薄膜状に押し
出された離型層用の溶融樹脂は、基材２とラミネートさ
れクーリングロール７およびニップロール８とによって
押圧・冷却されて工程剥離紙に形成されるが、この際、
クーリングロール７はホログラム複製シートが周面に配
設されたもの、あるいは周面にホログラム複製彫刻が施
されたものであるため、基材２に離型層３が形成される
と同時に微細凹凸４が離型層３の表面に形成される。FIG. 3 is a diagram showing another example of the method of forming the mold release layer 3. In FIG. 3, the molten resin for the release layer is extruded into a thin film from the T-die 6, is laminated with the base material 2, is pressed and cooled by the cooling roll 7 and the nip roll 8, and is formed into a process release paper. ,On this occasion,
Since the cooling roll 7 has a hologram copy sheet disposed on its circumferential surface or a hologram copy engraving on its circumferential surface, the mold release layer 3 is formed on the base material 2 and at the same time, the fine irregularities 4 are formed. is formed on the surface of the release layer 3.
【００１２】また、図４は離型層３の形成方法の他の一
例を示す図である。図４において、離型層３が設けられ
た基材２は、周面にホログラム複製シートが配設されて
いるか、あるいは周面にホログラム複製彫刻が施された
エンボスロール１０とバックアップロール１１との間に
送られて離型層３にエンボス加工が施される。これによ
り、離型層３の表面にはエンボスロール１０の微細凹凸
に対応した微細凹凸が形成される。FIG. 4 is a diagram showing another example of the method of forming the mold release layer 3. In FIG. 4, the base material 2 provided with the release layer 3 has a hologram replication sheet disposed on its peripheral surface, or an embossing roll 10 and a backup roll 11 each having a hologram replication engraving on its peripheral surface. The mold release layer 3 is sent between the molds and embossing is performed on the mold release layer 3. As a result, fine irregularities corresponding to the fine irregularities of the embossing roll 10 are formed on the surface of the release layer 3.
【００１３】このようにして形成される離型層３の厚さ
は２０〜５０μｍ程度が好ましく、また離型層３の表面
に形成される微細凹凸４の大きさ（図１における凸部４
ａから凹部４ｂまでの深さ）Ａは０．１〜５μｍ程度が
好ましい。図５は本発明の工程離型紙の他の一例を示す
概略断面図である。図５において工程離型紙２１は基材
２２の片面に離型層２３を備え他の面に離型層２５を備
えている。そして、離型層２３の表面には微細凹凸２４
が形成され、離型層２５の表面には微細凹凸２６が形成
されている。この場合、基材２２の両面に形成された離
型層２３と離型層２５の厚みは略同等であることが好ま
しい。The thickness of the mold release layer 3 formed in this way is preferably about 20 to 50 μm, and the size of the fine irregularities 4 formed on the surface of the mold release layer 3 (the convex portions 4 in FIG.
The depth (from a to the recess 4b) A is preferably about 0.1 to 5 μm. FIG. 5 is a schematic cross-sectional view showing another example of the process release paper of the present invention. In FIG. 5, the process release paper 21 has a release layer 23 on one side of a base material 22 and a release layer 25 on the other side. Then, fine irregularities 24 are formed on the surface of the release layer 23.
are formed, and fine irregularities 26 are formed on the surface of the mold release layer 25. In this case, it is preferable that the thicknesses of the release layer 23 and the release layer 25 formed on both sides of the base material 22 are approximately the same.
【００１４】尚、離型層２３，２５の厚さ、および微細
凹部２４，２６の大きさは上記の実施例と同様の範囲に
あればよい。次に、実験例を示して本発明を更に詳細に
説明する。（実験例）
基材としてコート紙（坪量＝１２７．９ｇ／ｍ２ ）に
紫外線硬化型アクリル系樹脂（三菱油化製ユピマー）を
乾燥重量で１５ｇ／ｍ２ となるように塗布し、図２に
示されるようにしてアクリル系樹脂塗布面にホログラム
複製シートを密着し、この状態で紫外線を照射してアク
リル系樹脂を硬化させた。その後、ホログラム複製シー
トを剥離して基材上に離型層が設けられた工程離型紙を
形成した。この離型層の表面にはホログラム複製シート
の微細凹凸に対応した光学的干渉模様が形成されていた
。The thickness of the mold release layers 23 and 25 and the size of the minute recesses 24 and 26 may be within the same range as in the above embodiment. Next, the present invention will be explained in more detail by showing experimental examples. (Experiment example) As a base material, coated paper (basis weight = 127.9 g/m2) was coated with ultraviolet curable acrylic resin (Yupimar, manufactured by Mitsubishi Yuka Co., Ltd.) to a dry weight of 15 g/m2, and as shown in Figure 2. The hologram replica sheet was closely attached to the acrylic resin-coated surface as shown, and in this state, ultraviolet rays were irradiated to cure the acrylic resin. Thereafter, the hologram duplication sheet was peeled off to form a process release paper having a release layer provided on the base material. An optical interference pattern corresponding to the fine irregularities of the hologram replica sheet was formed on the surface of this release layer.
【００１５】また、図３に示されるようにして基材とし
てのクラフト紙（坪量＝１２５ｇ／ｍ２ ）にポリプロ
ピレン系樹脂を押出しコート（コート量＝２７ｇ／ｍ２
）し、ホログラム複製シートが周面に配設されたクー
リングロールを用いて基材とポリプロピレン系樹脂とを
ラミネートして工程離型紙を形成した。この離型層の表
面にはクーリングロールに設けられたホログラム複製シ
ートの微細凹凸に対応した微細凹凸（光学的干渉模様）
が形成されていた。In addition, as shown in FIG. 3, a polypropylene resin was extruded and coated on kraft paper (basis weight = 125 g/m2) as a base material (coating amount = 27 g/m2).
), and a base material and a polypropylene resin were laminated using a cooling roll having a hologram copy sheet disposed on its circumferential surface to form a process release paper. The surface of this release layer has fine irregularities (optical interference pattern) corresponding to the fine irregularities of the hologram duplication sheet provided on the cooling roll.
was formed.
【００１６】さらに、基材としてのクラフト紙（坪量＝
１２５ｇ／ｍ２ ）上にポリプロピレン系樹脂を押出し
コート（コート量＝２７ｇ／ｍ２ ）して積層シートを
形成した。この積層シートに対して、図４に示されるよ
うにしてホログラム複製シートが周面に配設されたエン
ボスロールを用いてエンボス加工を行った。これにより
、エンボスロールに設けられたホログラム複製シートの
微細凹凸に対応した光学的干渉模様が形成された離型層
を有する工程離型紙が得られた。Furthermore, kraft paper as a base material (basis weight =
125 g/m2), a polypropylene resin was extrusion coated (coating amount = 27 g/m2) to form a laminated sheet. This laminated sheet was embossed using an embossing roll having a hologram replica sheet disposed on its circumferential surface as shown in FIG. As a result, a process release paper having a release layer formed with an optical interference pattern corresponding to the fine irregularities of the hologram replica sheet provided on the embossing roll was obtained.
【００１７】次に、上記のようにして形成した各工程離
型紙を用いて合成皮革を作成した。すなわち、各工程離
型紙の離型層上にペースト状のポリウレタン樹脂（大日
精化製ＮＥ−３０８）を塗布（塗布量＝３０ｇ／ｍ２
）し、１２０℃で乾燥・固化した後に基材（特殊基布）
と貼合してポリウレタンレザーを作成した。このポリウ
レタンレザーには玉虫光沢がみとめられた。Next, synthetic leather was produced using the release paper formed in each step as described above. That is, a paste-like polyurethane resin (NE-308 manufactured by Dainichiseika Chemical Co., Ltd.) was applied on the release layer of the release paper in each step (coating amount = 30 g/m2).
), and after drying and solidifying at 120℃, the base material (special base fabric)
Polyurethane leather was created by bonding with. This polyurethane leather had an iridescent luster.
【００１８】[0018]
【発明の効果】以上詳述したように、本発明によれば工
程剥離紙は基材の上に離型層を備えており、この離型層
表面には微細凹凸が形成されているため、この工程剥離
紙上に合成樹脂を塗布して合成皮革を製造する際に、同
時に合成皮革表面に微細凹凸が形成され、この微細凹凸
によって合成皮革に玉虫光沢が付与される。Effects of the Invention As detailed above, according to the present invention, the process release paper is provided with a release layer on the base material, and fine irregularities are formed on the surface of the release layer. In this step, when synthetic resin is applied onto the release paper to produce synthetic leather, fine irregularities are formed on the surface of the synthetic leather, and these fine irregularities give the synthetic leather an iridescent luster.
【図１】本発明の工程離型紙の一例を示す概略断面図で
ある。FIG. 1 is a schematic cross-sectional view showing an example of the process release paper of the present invention.
【図２】図２は離型層の形成方法の一例を示す図である
。FIG. 2 is a diagram showing an example of a method for forming a release layer.
【図３】図３は離型層の形成方法の他の一例を示す図で
ある。FIG. 3 is a diagram showing another example of a method for forming a release layer.
【図４】図４は離型層の形成方法の他の一例を示す図で
ある。FIG. 4 is a diagram showing another example of a method for forming a release layer.
【図５】本発明の工程離型紙の他の一例を示す概略断面
図である。FIG. 5 is a schematic cross-sectional view showing another example of the process release paper of the present invention.
１，２１…工程離型紙 ２，２２…基材 ３，２３，２５…離型層 ４，２４，２６…微細凹凸 1, 21...Process release paper 2, 22...Base material 3, 23, 25...Release layer 4, 24, 26...fine irregularities
Claims (2)
に設けられた剥離層とを有し、前記剥離層の表面には微
細凹凸が形成されていることを特徴とする工程離型紙。1. A process release paper comprising a base material and a release layer provided on at least one surface of the base material, the release layer having fine irregularities formed on the surface thereof. .
ｍの範囲にあることを特徴とする請求項１記載の工程剥
離紙。[Claim 2] The size of the fine irregularities is 0.1 to 5 μm.
2. The process release paper according to claim 1, wherein the process release paper is in the range of m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP03136753A JP3098799B2 (en) | 1991-06-07 | 1991-06-07 | Process release paper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP03136753A JP3098799B2 (en) | 1991-06-07 | 1991-06-07 | Process release paper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04361671A true JPH04361671A (en) | 1992-12-15 |
| JP3098799B2 JP3098799B2 (en) | 2000-10-16 |
Family
ID=15182699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP03136753A Expired - Fee Related JP3098799B2 (en) | 1991-06-07 | 1991-06-07 | Process release paper |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3098799B2 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998026125A1 (en) * | 1996-12-10 | 1998-06-18 | Fuji Techno Co., Ltd. | Processing paper for producing wet type synthetic leather and method of its application processing |
| JP2002283358A (en) * | 2001-03-27 | 2002-10-03 | Dainippon Printing Co Ltd | Release paper and synthetic leather manufactured using the same |
| JP2006264265A (en) * | 2005-03-25 | 2006-10-05 | Dainippon Printing Co Ltd | Process release material |
| JP2007181986A (en) * | 2006-01-06 | 2007-07-19 | Seiren Co Ltd | Sheet material, and its manufacturing method |
| JP2013514914A (en) * | 2009-12-30 | 2013-05-02 | エルジー・ハウシス・リミテッド | Release film and manufacturing method thereof |
| KR20180086568A (en) * | 2017-01-23 | 2018-08-01 | (주)엘지하우시스 | Sheet for synthetic leather and manufacturing method thereof |
-
1991
- 1991-06-07 JP JP03136753A patent/JP3098799B2/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998026125A1 (en) * | 1996-12-10 | 1998-06-18 | Fuji Techno Co., Ltd. | Processing paper for producing wet type synthetic leather and method of its application processing |
| JP2002283358A (en) * | 2001-03-27 | 2002-10-03 | Dainippon Printing Co Ltd | Release paper and synthetic leather manufactured using the same |
| JP4712998B2 (en) * | 2001-03-27 | 2011-06-29 | 大日本印刷株式会社 | Release paper |
| JP2006264265A (en) * | 2005-03-25 | 2006-10-05 | Dainippon Printing Co Ltd | Process release material |
| JP2007181986A (en) * | 2006-01-06 | 2007-07-19 | Seiren Co Ltd | Sheet material, and its manufacturing method |
| JP2013514914A (en) * | 2009-12-30 | 2013-05-02 | エルジー・ハウシス・リミテッド | Release film and manufacturing method thereof |
| KR20180086568A (en) * | 2017-01-23 | 2018-08-01 | (주)엘지하우시스 | Sheet for synthetic leather and manufacturing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3098799B2 (en) | 2000-10-16 |
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