JPH0948071A - Shaped sheet and its manufacture - Google Patents
Shaped sheet and its manufactureInfo
- Publication number
- JPH0948071A JPH0948071A JP22117095A JP22117095A JPH0948071A JP H0948071 A JPH0948071 A JP H0948071A JP 22117095 A JP22117095 A JP 22117095A JP 22117095 A JP22117095 A JP 22117095A JP H0948071 A JPH0948071 A JP H0948071A
- Authority
- JP
- Japan
- Prior art keywords
- film
- vinyl acetate
- acetate copolymer
- sheet
- gauze
- 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
Landscapes
- Laminated Bodies (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、化粧板の製造に
用いる賦型シートと、その製造方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a shaped sheet used for manufacturing a decorative board and a method for manufacturing the same.
【０００２】[0002]
【従来の技術】従来の賦型シートの製造方法としては、
特公昭５７−４５１４３号公報、特開昭５９−１３３０
１１号公報、特公昭６３−３０１４８号公報、特公昭６
３−２６７０２号公報あるいは特公平５−７２８５４号
公報等に記載されたものが知られる。例えば、特公昭５
７−４５１４３号公報には、柔軟性フィルムの表裏面に
それぞれポリビニルアルコールフィルムを重ね合わせた
複合フィルムを、表面に凹凸が形成された原稿の表面に
加熱押圧して賦型シートを得る製造方法が記載される。
そして、この賦型シートは、通常、枠に張設して用いら
れる。2. Description of the Related Art Conventional methods for producing a shaped sheet include the following.
JP-B-57-45143 and JP-A-59-1330.
No. 11, Japanese Patent Publication No. 63-30148, Japanese Patent Publication No. 6
Those described in, for example, JP-A-3-26702 or JP-B-5-72854 are known. For example,
7-45143 discloses a method for producing a shaped sheet by heating and pressing a composite film in which polyvinyl alcohol films are superposed on the front and back surfaces of a flexible film, against the surface of an original having unevenness formed on the surface thereof. be written.
The shape-imparting sheet is usually stretched over a frame for use.
【０００３】また、特公平５−７２８５４号公報には、
原稿の表面にポリビニルアルコール樹脂を塗布し、この
ポリビニルアルコール樹脂が乾燥した後にポリビニルア
ルコール樹脂上にプライマを塗って紗等の芯材を重ね、
さらに、この上にシリコーン樹脂を塗布、硬化させて賦
型シートを得る製造方法が記載されている。この賦型シ
ートも上述した賦型シートと同様に枠に張設して用いら
れる。In Japanese Patent Publication No. 5-72854,
Polyvinyl alcohol resin is applied to the surface of the original, and after the polyvinyl alcohol resin is dried, a primer is applied on the polyvinyl alcohol resin to overlay a core material such as gauze,
Further, a manufacturing method for obtaining a shaped sheet by applying a silicone resin on the above and curing it is described. This shape-imparting sheet is also stretched on the frame and used in the same manner as the shape-imparting sheet described above.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、上述し
た従来の賦型シートの製造方法にあっては、原稿を型取
りした後に枠に張設するため、賦型シートの四方から均
一な力で引っ張って枠に張設することが難しく、ダクと
称せられる天然原稿にはない不自然なうねりが発生し、
天然原稿に忠実な化粧板を製造することが困難であると
いう問題があった。この発明は、上記問題に鑑みてなさ
れたもので、天然原稿と同等の賦型シート、また、賦型
シートをダク等を生じることなく製造することができる
製造方法を提供することを目的とする。However, in the above-mentioned conventional method for manufacturing a shaping sheet, since the original is stretched on the frame after the original is taken, it is pulled from all sides of the shaping sheet with uniform force. It is difficult to stretch it on the frame, and unnatural waviness that is not found in natural manuscripts called duck occurs,
There is a problem that it is difficult to manufacture a decorative plate that is faithful to a natural manuscript. The present invention has been made in view of the above problems, and an object of the present invention is to provide a shaping sheet equivalent to a natural original, and a manufacturing method capable of manufacturing the shaping sheet without causing duck or the like. .
【０００５】[0005]
【課題を解決するための手段】上記目的を達成するた
め、この発明にかかる賦型シートは、枠に張設された紗
が埋入固着されたエチレン酢酸ビニル共重合体フィルム
層の両面にそれぞれポリビニルアルコールフィルム層を
備え、一方のポリビニルアルコールフィルム層側に賦形
用の凹凸模様を有する。また、この発明にかかる賦型シ
ートの製造方法は、ポリビニルアルコールフィルムとエ
チレン酢酸ビニル共重合体フィルムとを積層した複合フ
ィルムを枠に張設された紗の両面側にそれぞれエチレン
酢酸ビニル共重合体フィルムが紗と対面するように合わ
せ、一方の複合フィルム側に複製型を重ねて熱プレスす
ることを特徴とする。In order to achieve the above-mentioned object, the shaped sheet according to the present invention has an ethylene vinyl acetate copolymer film layer on which a gauze stretched around a frame is embedded and fixed. A polyvinyl alcohol film layer is provided, and an uneven pattern for shaping is provided on one polyvinyl alcohol film layer side. Further, the method for producing a shaped sheet according to the present invention is an ethylene vinyl acetate copolymer on both sides of a gauze stretched in a frame with a composite film obtained by laminating a polyvinyl alcohol film and an ethylene vinyl acetate copolymer film. It is characterized in that the film is aligned so as to face the gauze, and the replication mold is placed on one of the composite film sides and hot-pressed.
【０００６】そして、この発明にかかる賦型シートの製
造方法は、酢酸ビニルの含有量が５〜１０％のエチレン
酢酸ビニル共重合体を使用する態様（請求項３）に、ま
た、熱プレスに際し、複製型を重ねた複合フィルムとは
反対側の複合フィルムに、弾性体からなり表面が平滑な
板状クッションを重ねて熱プレスする態様（請求項４）
に構成することができる。In the method for producing a shaped sheet according to the present invention, an ethylene vinyl acetate copolymer having a vinyl acetate content of 5 to 10% is used (Claim 3) and hot pressing. A mode in which a plate-shaped cushion made of an elastic body and having a smooth surface is overlaid on the composite film on the side opposite to the composite film on which the duplication molds are stacked, and hot-pressed (claim 4).
Can be configured to.
【０００７】上記複製型としては天然原稿等を基に複製
された中間型等のみならず天然原稿等も用いることがで
きる。ポリビニルアルコールフィルムは厚みが１５μｍ
〜３０μｍ程度のもの、エチレン酢酸ビニル共重合体フ
ィルムは酢酸ビニル含有量が５％〜１０％で厚みが１０
０μｍ〜５００μｍ程度のものが用いられる。また、紗
としては、メッシュが２５０以下のシルクスクリーン用
ステンシル等、例えば、ポリエステル繊維で作られたも
のが用いられる。なお、紗を枠に張設する機械が開発さ
れている。そして、加熱・加圧に際しては、温度が１１
０°Ｃ〜１４０°Ｃ、時間が１５分〜４０分、圧力が１
２ｋｇ／ｃｍ2 〜３０ｋｇ／ｃｍ2 の条件が採用され
る。As the above-mentioned duplication type, not only an intermediate type duplicated based on a natural manuscript etc. but also a natural manuscript etc. can be used. Polyvinyl alcohol film has a thickness of 15 μm
˜30 μm, the ethylene vinyl acetate copolymer film has a vinyl acetate content of 5% to 10% and a thickness of 10
Those having a size of about 0 μm to 500 μm are used. As the gauze, a stencil for silk screen having a mesh of 250 or less, for example, one made of polyester fiber is used. A machine for tensioning the gauze on the frame has been developed. When heating and pressurizing, the temperature is 11
0 ° C to 140 ° C, time 15 minutes to 40 minutes, pressure 1
Conditions of 2kg / cm 2 ~30kg / cm 2 is adopted.
【０００８】[0008]
【作用】この発明によれば、紗の両面にそれぞれエチレ
ン酢酸ビニル共重合体フィルムが一体化し、一方のポリ
ビニルアルコールフィルム側に原稿の凹凸模様が転写さ
れる。このため、後に枠に張設する必要がなく、ダク等
の発生が防止できる。そして、熱プレスに際しても、エ
チレン酢酸ビニル共重合体フィルムはポリ塩化ビニルフ
ィルム等に比較して加熱溶融時の流動性が高いため、原
稿の微細な凹凸も転写でき、原稿に忠実な賦型シートが
得られる。According to the present invention, the ethylene vinyl acetate copolymer films are integrated on both sides of the gauze, and the concavo-convex pattern of the original is transferred to one side of the polyvinyl alcohol film. For this reason, it is not necessary to stretch the frame later, and the occurrence of duck can be prevented. Even during hot pressing, the ethylene-vinyl acetate copolymer film has higher fluidity when heated and melted compared to polyvinyl chloride film, etc., so even minute irregularities in the original can be transferred, and a printing sheet that is faithful to the original Is obtained.
【０００９】[0009]
【発明の実施の形態】以下、この発明の実施例を図面を
参照して説明する。図１はこの発明の一実施例にかかる
製造方法に用いる装置を模式的に示す断面図である。Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a sectional view schematically showing an apparatus used in a manufacturing method according to an embodiment of the present invention.
【００１０】この実施例にあっては、先ず、矩形状の枠
１に紗２を張設してシート本体３を構成し、また、エチ
レン酢酸ビニル共重合体フィルム４とポリビニルアルコ
ールフィルム５とを積層して複合フィルム６Ｕ，６Ｌを
構成する。シート本体３は枠１がアルミニウム等から構
成され、紗２としてポリエステル系繊維で１００メッシ
ュ程度のものが用いられる。また、複合フィルム６はエ
チレン酢酸ビニル共重合体フィルム４が７％程度の酢酸
ビニルの含有量で２６０μｍ程度の厚みを有するもの、
ポリビニルアルコールフィルム５が２５μｍ程度の厚み
を有するものが用いられる。In this embodiment, first, a gauze 2 is stretched on a rectangular frame 1 to form a sheet body 3, and an ethylene-vinyl acetate copolymer film 4 and a polyvinyl alcohol film 5 are formed. The composite films 6U and 6L are formed by stacking. The frame 1 of the sheet body 3 is made of aluminum or the like, and as the gauze 2, a polyester fiber of about 100 mesh is used. Further, the composite film 6 has the ethylene-vinyl acetate copolymer film 4 having a vinyl acetate content of about 7% and a thickness of about 260 μm.
The polyvinyl alcohol film 5 having a thickness of about 25 μm is used.
【００１１】次に、図１に示すように、熱プレス機の下
熱盤７と上熱盤８との間に、複製型９、複合フィルム６
Ｌ、シート本体３および複合フィルム６Ｕを順次重ねて
配置する。ここで、下熱盤７上にはパーチクルボードの
表裏にメラミン樹脂板を積層した底上板１０とフェルト
ゴムのクッション板１１とを重ねて設け、このクッショ
ン板１１上に複製型９を載置し、複製型９側の複合フィ
ルム６Ｌをポリビニルアルコールフィルム５が複製型９
と、エチレン酢酸ビニル共重合体フィルム４が紗２と対
面するように配置する。また、上熱盤８と上側の複合フ
ィルム６Ｕとの間には紙等のクッションシート１２、ア
ルミ合金等の当て板１３および弾性体からなる表面が平
滑なクッション板１４を重ねて介装し、複合フィルム６
Ｕをエチレン酢酸ビニル共重合体フィルム４が紗２と対
面するように配置する。なお、上記クッション板１４を
形成する弾性体としては、ゴム硬度３０〜６０度で、厚
さ３〜６ｍｍのシリコーンゴムが適している。Next, as shown in FIG. 1, between the lower heating plate 7 and the upper heating plate 8 of the heat press machine, the duplication mold 9 and the composite film 6 are provided.
L, the sheet body 3, and the composite film 6U are sequentially stacked and arranged. Here, on the lower heating plate 7, a bottom upper plate 10 in which melamine resin plates are laminated on the front and back of a particle board and a cushion rubber cushion plate 11 are provided in an overlapping manner, and the replica mold 9 is placed on this cushion plate 11. , The polyvinyl alcohol film 5 replaces the composite film 6L on the replication mold 9 side with the replication mold 9
Then, the ethylene vinyl acetate copolymer film 4 is arranged so as to face the gauze 2. Further, between the upper heating plate 8 and the upper composite film 6U, a cushion sheet 12 made of paper or the like, a backing plate 13 made of an aluminum alloy or the like and a cushion plate 14 made of an elastic body having a smooth surface are stacked and interposed. Composite film 6
U is arranged so that the ethylene vinyl acetate copolymer film 4 faces the gauze 2. As the elastic body forming the cushion plate 14, silicone rubber having a rubber hardness of 30 to 60 degrees and a thickness of 3 to 6 mm is suitable.
【００１２】そして、下熱盤７と上熱盤８とにより複製
型９、複合フィルム６Ｌ、シート本体３の紗２および複
合フィルム６Ｕを加熱しつつ加圧し、複合フィルム６Ｌ
のポリビニルアルコールフィルム５側に複製型９の凹凸
模様を転写するとともに各複合フィルム６Ｌ，６Ｕのエ
チレン酢酸ビニル共重合体フィルム４を紗２と固着す
る。加圧・加熱の条件としては、例えば、温度が１３５
°Ｃ、加圧加熱時間が３０分、圧力が２０ｋｇ／ｃｍ2
程度が採用される。そして、冷却後に、複製型９と複合
フィルム６Ｌのポリビニルアルコールフィルム５とを剥
離することで、賦型シートが得られる。Then, the duplication mold 9, the composite film 6L, the gauze 2 of the sheet body 3 and the composite film 6U are heated and pressed by the lower heating plate 7 and the upper heating plate 8 to form a composite film 6L.
The concave-convex pattern of the replication mold 9 is transferred to the polyvinyl alcohol film 5 side, and the ethylene vinyl acetate copolymer film 4 of each of the composite films 6L and 6U is fixed to the gauze 2. The pressurizing / heating conditions include, for example, a temperature of 135
° C, pressure heating time 30 minutes, pressure 20 kg / cm 2
The degree is adopted. Then, after cooling, the replication mold 9 and the polyvinyl alcohol film 5 of the composite film 6L are peeled off to obtain a shaped sheet.
【００１３】上述したように、この実施例にあっては、
熱圧加工するのみで賦型シートが製造でき、熱圧加工後
に枠等への張設を行う必要がないため、生産性が優れコ
ストも低くでき、また、タグの発生も防止できる。ま
た、エチレン酢酸ビニル共重合体フィルム４はポリ塩化
ビニル等と比較して溶融時の流動性が高いため、複製型
９の細かい凹凸も転写することができ、より複製型９に
忠実な賦型シートが得られる。As described above, in this embodiment,
The shaped sheet can be manufactured only by hot pressing, and since it is not necessary to stretch it on a frame or the like after hot pressing, productivity is excellent and costs can be reduced, and tags can be prevented from being generated. In addition, since the ethylene-vinyl acetate copolymer film 4 has higher fluidity when melted than polyvinyl chloride or the like, it is possible to transfer even fine irregularities of the replication mold 9 and to imprint more faithfully to the replication mold 9. A sheet is obtained.
【００１４】なお、エチレン酢酸ビニル共重合体の酢酸
ビニル含有量は、５〜１０％が好ましく、５％以下であ
ると融点が上がり加熱溶融時の流動性が劣るので凹凸の
再現性が悪く、１０％以上であると製造された賦型シー
トの耐熱性が悪くなり、例えば、不飽和ポリエステル樹
脂のように硬化時に発熱する樹脂の賦型に使用した場合
に耐久性が劣る。また、熱プレスに際し、複製型を重ね
た複合フィルムとは反対側の複合フィルムに、例えば、
シリコーンゴム等の弾性体からなり表面が平滑な板状ク
ッションを重ねて熱プレスすることによって、熱盤から
の圧力を均一化し、表面が平滑な賦型シートが得られ
る。The vinyl acetate content of the ethylene-vinyl acetate copolymer is preferably from 5 to 10%, and when it is 5% or less, the melting point increases and the fluidity at the time of heating and melting deteriorates, so that the reproducibility of irregularities is poor. If it is 10% or more, the heat resistance of the manufactured shaped sheet becomes poor, and the durability becomes poor when used for shaping a resin which generates heat during curing, such as unsaturated polyester resin. Further, in the hot press, on the composite film on the side opposite to the composite film on which the duplicate molds are stacked, for example,
By laminating plate-like cushions made of an elastic material such as silicone rubber and having a smooth surface and hot-pressing them, the pressure from the hot platen is made uniform and a shaped sheet having a smooth surface is obtained.
【００１５】そして、製造された賦型シートはポリビニ
ルアルコールフィルム５が酸素の遮断性に優れるため、
この賦型シートを用いて化粧板を生産する際にも、廉価
な汎用ポリエステル樹脂を用いることができ、また、高
い耐久性が得られ多数の化粧板を製造することができ
る。Since the polyvinyl alcohol film 5 has an excellent oxygen barrier property in the manufactured shaped sheet,
When producing a decorative board using this shaped sheet, an inexpensive general-purpose polyester resin can be used, and high durability can be obtained, and a large number of decorative boards can be produced.
【００１６】[0016]
【発明の効果】以上説明したように、この発明にかかる
賦型シートおよび賦型シートの製造方法によれば、熱圧
加工するのみで賦型シートを製造でき、熱圧加工後に枠
等への張設を行う必要がないため、生産性が優れコスト
も低くでき、タグの発生も防止でき、また、エチレン酢
酸ビニル共重合体フィルム４がポリ塩化ビニル等と比較
して溶融時の流動性が高いため、複製型の細かい凹凸も
賦型シートに再現することができると同時に、紗の網目
中に容易に進入することによってエチレン酢酸ビニル共
重合体と紗が強固に固着し、頑丈な型を製造することが
できる。As described above, according to the shape-imparting sheet and the method for manufacturing the shape-imparting sheet according to the present invention, the shape-imparting sheet can be manufactured only by hot-pressing, and the shape-imparting sheet can be formed on the frame after the heat-pressing. Since it is not necessary to stretch, the productivity is excellent, the cost can be reduced, the occurrence of tags can be prevented, and the ethylene-vinyl acetate copolymer film 4 has a higher fluidity when melted than polyvinyl chloride or the like. Because of its high price, it is possible to reproduce even the fine irregularities of the replication type on the patterning sheet, and at the same time, the ethylene vinyl acetate copolymer and the gauze are firmly fixed by easily entering the mesh of the gauze, and a sturdy mold is formed. It can be manufactured.
【図１】この発明の一実施例にかかる賦型シートの製造
方法を説明する模式断面図である。FIG. 1 is a schematic cross-sectional view illustrating a method for manufacturing a shaped sheet according to an embodiment of the present invention.
１ 枠 ２ 紗 ３ シート本体 ４ エチレン酢酸ビニル共重合体フィルム ５ ポリビニルアルコールフィルム ６Ｕ 複合フィルム ６Ｌ 複合フィルム ７ 下熱盤 ８ 上熱盤 ９ 複製型 1 frame 2 gauze 3 sheet body 4 ethylene vinyl acetate copolymer film 5 polyvinyl alcohol film 6U composite film 6L composite film 7 lower heating plate 8 upper heating plate 9 replication type
Claims (4)
レン酢酸ビニル共重合体フィルム層の両面にそれぞれポ
リビニルアルコールフィルム層を備え、一方のポリビニ
ルアルコールフィルム層側に賦形用の凹凸模様を有する
ことを特徴とする賦型シート。1. A polyvinyl alcohol film layer is provided on each of both sides of an ethylene vinyl acetate copolymer film layer in which a gauze stretched over a frame is embedded and fixed, and one polyvinyl alcohol film layer side has irregularities for shaping. A shaped sheet having a pattern.
ン酢酸ビニル共重合体フィルムとを積層した複合フィル
ムを枠に張設された紗の両面側にそれぞれエチレン酢酸
ビニル共重合体フィルムが紗と対面するように合わせ、
一方の複合フィルム側に複製型を重ねて熱プレスするこ
とを特徴とする賦型シートの製造方法。2. A composite film obtained by laminating a polyvinyl alcohol film and an ethylene vinyl acetate copolymer film is attached to both sides of a gauze stretched around a frame so that the ethylene vinyl acetate copolymer film faces the gauze. ,
A method for producing a shaped sheet, comprising: stacking a replication mold on one of the composite films and heat-pressing it.
レン酢酸ビニル共重合体を使用することを特徴とする請
求項２記載の賦型シートの製造方法。3. The method for producing a shaped sheet according to claim 2, wherein an ethylene vinyl acetate copolymer having a vinyl acetate content of 5 to 10% is used.
ィルムとは反対側の複合フィルムに、弾性体からなり表
面が平滑な板状クッションを重ねて熱プレスすることを
特徴とする請求項２記載の賦型シートの製造方法。4. The hot-pressing method is characterized in that a plate-like cushion made of an elastic material and having a smooth surface is overlaid on the composite film on the side opposite to the composite film on which the duplication molds are overlaid, and the hot-pressing is performed. A method for producing the described shaped sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22117095A JP3714707B2 (en) | 1995-08-08 | 1995-08-08 | Manufacturing method of shaped sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22117095A JP3714707B2 (en) | 1995-08-08 | 1995-08-08 | Manufacturing method of shaped sheet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0948071A true JPH0948071A (en) | 1997-02-18 |
| JP3714707B2 JP3714707B2 (en) | 2005-11-09 |
Family
ID=16762578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22117095A Expired - Fee Related JP3714707B2 (en) | 1995-08-08 | 1995-08-08 | Manufacturing method of shaped sheet |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3714707B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008137380A (en) * | 2006-11-10 | 2008-06-19 | Toray Ind Inc | Apparatus for manufacturing fine shape transfer sheet and method of manufacturing fine shape transfer sheet |
| JP2020176341A (en) * | 2019-04-17 | 2020-10-29 | トヨタ紡織株式会社 | Skin material and method for producing the same |
-
1995
- 1995-08-08 JP JP22117095A patent/JP3714707B2/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008137380A (en) * | 2006-11-10 | 2008-06-19 | Toray Ind Inc | Apparatus for manufacturing fine shape transfer sheet and method of manufacturing fine shape transfer sheet |
| JP2020176341A (en) * | 2019-04-17 | 2020-10-29 | トヨタ紡織株式会社 | Skin material and method for producing the same |
| US11840053B2 (en) | 2019-04-17 | 2023-12-12 | Toyota Boshoku Kabushiki Kaisha | Skin material and method for producing the same |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3714707B2 (en) | 2005-11-09 |
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