JP3199156B2 - Surface decoration method for resin products - Google Patents
Surface decoration method for resin productsInfo
- Publication number
- JP3199156B2 JP3199156B2 JP28267895A JP28267895A JP3199156B2 JP 3199156 B2 JP3199156 B2 JP 3199156B2 JP 28267895 A JP28267895 A JP 28267895A JP 28267895 A JP28267895 A JP 28267895A JP 3199156 B2 JP3199156 B2 JP 3199156B2
- Authority
- JP
- Japan
- Prior art keywords
- mold
- resin product
- plating
- plating layer
- pattern forming
- 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.)
- Expired - Fee Related
Links
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
- ing And Chemical Polishing (AREA)
Description
【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION
【０００１】[0001]
【発明の属する技術分野】本発明は、模様部が細かい凹
凸を有する粗面（シボ面、梨地面）となっている樹脂製
品の表面装飾方法に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for decorating a surface of a resin product in which a pattern portion has a rough surface (textured surface, matte surface) having fine irregularities.
【０００２】[0002]
【従来の技術】上記樹脂製品を成形するための金型製作
方法の従来例を図１を参照して説明する。2. Description of the Related Art A conventional example of a mold manufacturing method for molding the above resin product will be described with reference to FIG.
【０００３】先ず金型３の表面を薬品にて脱脂を行な
い、次いで模様形成部と全く関係のない部分をマスキン
グ材で被覆し保護する１次マスキングを行なう。その後
金型のマスキング材で被覆されていない表面である加工
面の酸化物・油脂被覆を完全除去するため酸処理を行な
った後、レジスト（感光性樹脂）１を前記加工面に塗布
し、次いで加熱乾燥させる。次にパターン形成フィルム
（シボパターンフィルム）２をレジスト１を覆うように
配置し、露光することにより、レジスト１に模様パター
ンを転写する（図１の（ａ））。その後未露光部を現像
液にて溶解除去し（図１の（ｂ））、露光で硬化し残存
したレジスト１の前記加工面への密着性を高めるため加
熱処理を行なう。次に１次マスキングの補修・補強のた
めの２次マスキングを行なった後、金型表面にエッチン
グ処理を施す（図１の（ｃ））。このエッチング処理に
より、マスキング材及びレジスト１によって覆われてい
ない模様形成部のみに、細かい凹凸を有する粗面が形成
される。次いでパターン形成フィルム２及びマスキング
材を化学的・物理的に除去すると金型表面に前記粗面か
らなる模様形成面（シボ形成面）４が形成される（図１
の（ｄ））。[0003] First, the surface of the mold 3 is degreased with a chemical, and then a primary masking for covering and protecting a portion completely unrelated to the pattern forming portion with a masking material is performed. Thereafter, an acid treatment is performed to completely remove the oxide / fat coating on the processed surface that is not coated with the masking material of the mold, and then a resist (photosensitive resin) 1 is applied to the processed surface. Heat and dry. Next, a pattern forming film (textured pattern film) 2 is arranged so as to cover the resist 1, and the pattern is transferred to the resist 1 by exposing (FIG. 1 (a)). Thereafter, the unexposed portion is dissolved and removed with a developing solution (FIG. 1B), and a heat treatment is performed to increase the adhesion of the remaining resist 1 hardened by exposure to the processed surface. Next, after performing secondary masking for repair / reinforcement of the primary masking, the die surface is subjected to etching treatment (FIG. 1 (c)). By this etching process, a rough surface having fine irregularities is formed only in the pattern forming portion not covered by the masking material and the resist 1. Next, when the pattern forming film 2 and the masking material are chemically and physically removed, a pattern forming surface (texture forming surface) 4 composed of the rough surface is formed on the die surface (FIG. 1).
(D)).
【０００４】必要に応じて模様形成面４の光沢度・表面
粗度をサンドブラスト仕上によって調整することができ
る。なお、特開平６−１４３２９３号公報で、金型表面
に金型素材より高硬度のシボ形成層を設け、更にその上
に耐磨耗性被覆層を設ける工法が開示されている。If necessary, the glossiness and surface roughness of the pattern forming surface 4 can be adjusted by sandblasting. Japanese Patent Application Laid-Open No. Hei 6-143293 discloses a method in which a grain forming layer having a higher hardness than the mold material is provided on the mold surface, and a wear-resistant coating layer is further provided thereon.
【０００５】[0005]
【発明が解決しようとする課題】従来の製作方法で得ら
れた金型表面は、図２に示すように、模様形成面４と、
エッチング処理が施されていない光沢面７の凹凸関係
が、前者が凹で、後者が凸という関係となる。そのた
め、この金型を用いて樹脂成形すると、樹脂製品Ａの前
記模様形成面４が転写された模様部（シボ面）６ｂが凸
面となり、光沢面７ｂが凹面となる。As shown in FIG. 2, the mold surface obtained by the conventional manufacturing method has a pattern forming surface 4,
The unevenness relationship of the glossy surface 7 not subjected to the etching treatment is such that the former is concave and the latter is convex. Therefore, when resin molding is performed using this mold, the pattern portion (textured surface) 6b to which the pattern forming surface 4 of the resin product A is transferred becomes a convex surface, and the glossy surface 7b becomes a concave surface.
【０００６】樹脂製品の模様部（シボ面）６ｂが凸面と
なっていると傷付き易く、これを凹面としたい場合が多
いが、上記従来法ではそれが不可能であった。If the pattern portion (texture surface) 6b of the resin product has a convex surface, it is easily damaged, and it is often desired to make it concave, but this is not possible with the above-mentioned conventional method.
【０００７】本発明は上記従来の問題を解決するもの
で、模様部の凹凸が従来のものとは逆の樹脂製品が得ら
れる方法を提供することを目的とする。An object of the present invention is to solve the above-mentioned conventional problems, and an object of the present invention is to provide a method for obtaining a resin product in which the unevenness of a pattern portion is opposite to that of a conventional resin product.
【０００８】[0008]
【課題を解決するための手段】本願第１発明の樹脂製品
の表面装飾方法は、上記目的を達成するため、エッチン
グ処理を施すことにより金型表面の模様形成部にのみ細
かい凹凸を有する粗面を形成し、次いで前記粗面のみに
メッキ処理を施して、メッキ層の表面がその周囲の面よ
り突出するようにして金型を製造し、この金型を用いて
樹脂製品を成形することを特徴とする。According to a first aspect of the present invention, there is provided a method for decorating a surface of a resin product, wherein the rough surface having fine irregularities only in a pattern forming portion of a mold surface by performing an etching process to achieve the above object. Then, plating is performed only on the rough surface, a mold is manufactured such that the surface of the plating layer protrudes from the surrounding surface, and a resin product is molded using the mold. Features.
【０００９】本願第２発明の樹脂製品の表面装飾方法
は、上記目的を達成するため、エッチング処理を施すこ
とにより金型表面の模様形成部にのみ細かい凹凸を有す
る粗面を形成し、次いで前記粗面のみにメッキ処理を施
して、メッキ層の表面がその周囲の面より突出するよう
にし、更にその後金型表面全体にメッキ処理を施して金
型を製造し、この金型を用いて樹脂製品を成形すること
を特徴とする。In order to achieve the above object, the surface decoration method for a resin product according to the second invention of the present application forms a rough surface having fine irregularities only on a pattern forming portion of a mold surface by performing an etching process, Apply plating only to the rough surface so that the surface of the plating layer protrudes from the surrounding surface, and then apply plating to the entire surface of the mold to produce a mold. It is characterized by molding the product.
【００１０】上記第１発明又は第２発明において、メッ
キ処理に用いるメッキ材料は金型素材より高硬度なもの
であることが好適である。In the first or second aspect of the present invention, it is preferable that the plating material used in the plating process has a higher hardness than the die material.
【００１１】本願の第１発明によれば、金型表面の模様
形成部の細かい凹凸を有する粗面上にのみメッキ処理を
施し、そのメッキ層の厚みを大にして表面がその周囲の
面（一般に光沢面）より突出するようにしており、メッ
キ層は前記細かい凹凸に倣った凹凸をその表面に有する
こととなるので、金型の模様形成部は凸面となる。従っ
てこの金型により成形された樹脂製品の細かい凹凸を有
する粗面状の模様部がその周囲の面より凹陥した状態で
形成される。According to the first aspect of the present invention, plating is performed only on the rough surface having fine irregularities of the pattern forming portion on the mold surface, the thickness of the plating layer is increased, and the surface becomes the peripheral surface ( (A generally glossy surface), and the plating layer has irregularities on its surface following the fine irregularities, so that the pattern forming portion of the mold has a convex surface. Therefore, the rough surface pattern portion having fine irregularities of the resin product formed by the mold is formed in a state recessed from the surrounding surface.
【００１２】本願の第２発明も、第１発明と同様の理由
で、細かい凹凸を有する粗面がその周囲の面より凹陥し
た状態の模様部を有する樹脂製品を成形することができ
る。その上金型表面全体がメッキ層で覆われるので、金
型表面全体の耐食性、耐磨耗性、光沢性を高めることが
できる。According to the second invention of the present application, for the same reason as in the first invention, a resin product having a pattern portion in which a rough surface having fine irregularities is depressed from its surrounding surface can be formed. In addition, since the entire surface of the mold is covered with the plating layer, the corrosion resistance, abrasion resistance, and gloss of the entire surface of the mold can be improved.
【００１３】[0013]
【発明の実施の形態】本発明の第１実施形態を図３及び
図４を参照しつつ説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described with reference to FIGS.
【００１４】先ず、金型３の表面を薬品にて脱脂を行な
う。次に模様形成部と全く関係のない部分をマスキング
材で被覆し保護する１次マスキングを行なう。この１次
マスキングにおいては、境界線部に樹脂接着テープを貼
着し、その周囲にラッカーを塗布し乾燥させる方法を採
用することが一般的である。First, the surface of the mold 3 is degreased with a chemical. Next, primary masking for covering and protecting a portion completely unrelated to the pattern forming portion with a masking material is performed. In this primary masking, it is common to employ a method in which a resin adhesive tape is adhered to the boundary line, a lacquer is applied around the adhesive tape, and then dried.
【００１５】その後金型３のマスキング材で被覆されて
いない表面である加工面の酸化物・油脂被膜を完全除去
するための酸処理を行なう。次いで感光性樹脂からなる
レジスト１を前記加工面に塗布し、次いで加熱乾燥させ
る。次にパターン形成フィルム（シボパターンフィル
ム）２をレジスト１を覆うように配置し、露光すること
により、レジスト１に模様パターンを転写する（図３の
（ａ））。その後未露光部を現像液にて溶解除去し（図
３の（ｂ））、露光で硬化し残存したレジスト１の前記
加工面への密着性を高めるため加熱処理を行なう。Thereafter, an acid treatment is performed to completely remove the oxide / fat coating on the processed surface of the mold 3 which is not covered with the masking material. Next, a resist 1 made of a photosensitive resin is applied to the processed surface, and then dried by heating. Next, a pattern forming film (textured pattern film) 2 is arranged so as to cover the resist 1, and the pattern is transferred to the resist 1 by exposing (FIG. 3A). Thereafter, the unexposed portion is dissolved and removed with a developing solution (FIG. 3B), and a heat treatment is performed to increase the adhesion of the remaining resist 1 hardened by exposure to the processed surface.
【００１６】次に１次マスキングの補修・補強のための
２次マスキングを行なった後、金型表面にエッチング処
理を施す（図３の（ｃ））。このエッチング処理によ
り、マスキング材及びレジスト１によって覆われていな
い模様形成部のみに、細かい凹凸を有する粗面４が形成
される。このような状態でメッキ処理を施す（図３の
（ｄ））。メッキ処理に用いるメッキ材料は金型素材よ
り高硬度のものを用い、例えばクロムを用いる。メッキ
層５の厚みは、１０〜１５μ程度の相当厚いものとし、
メッキ層５の表面６がその周囲の面（光沢面）７より突
出するようにしている。又メッキ層５の厚みはレジスト
１の厚み以下として、模様部の輪郭形状が損なわれない
ようにしている。その後パターン形成フィルム２及びマ
スキング材を化学的・物理的に除去する（図３の
（ｅ））。この結果、メッキ層５は前記細かい凹凸に倣
った凹凸をその表面６に有し、その周囲の光沢面７より
突出することになり、これにより凸面の模様形成部が金
型表面に形成される。Next, after performing secondary masking for repairing and reinforcing the primary masking, the die surface is subjected to an etching treatment (FIG. 3C). By this etching process, the rough surface 4 having fine irregularities is formed only in the pattern forming portion not covered by the masking material and the resist 1. Plating is performed in such a state (FIG. 3 (d)). As a plating material used for the plating process, a material having a higher hardness than the die material is used, for example, chromium is used. The thickness of the plating layer 5 is set to a considerably large value of about 10 to 15 μ,
The surface 6 of the plating layer 5 is made to protrude from the surrounding surface (glossy surface) 7. The thickness of the plating layer 5 is set to be equal to or less than the thickness of the resist 1 so that the contour of the pattern portion is not damaged. Thereafter, the pattern forming film 2 and the masking material are chemically and physically removed (FIG. 3E). As a result, the plating layer 5 has irregularities on its surface 6 following the fine irregularities and protrudes from the surrounding glossy surface 7, whereby a convex pattern forming portion is formed on the mold surface. .
【００１７】上記のように製作した金型を用いて射出成
形等の樹脂成形法により樹脂製品を成形すると、図４に
示すように、模様部８の細かい凹凸を有する粗面６ａが
その周囲の光沢面７ａより凹陥した状態にある樹脂製品
Ａが得られる。When a resin product is molded by a resin molding method such as injection molding using the mold manufactured as described above, as shown in FIG. 4, a rough surface 6a having fine irregularities of the pattern portion 8 is formed around the periphery. The resin product A that is recessed from the glossy surface 7a is obtained.
【００１８】次に本発明の第２実施形態を図５及び図６
を参照しつつ説明する。Next, a second embodiment of the present invention will be described with reference to FIGS.
This will be described with reference to FIG.
【００１９】第２実施形態は、図５と図３を比較して明
らかなように、第１実施形態と同様の工程を行なった
後、２次メッキ工程が付加されている点に特徴を有して
いる。この２次メッキ工程は、金型表面全体に、金型素
材より高硬度のもの、例えばクロムを用いて、５μ厚程
度の２次メッキ層９を形成するものである（図５の
（ｆ））。この結果図６に示すように、２次メッキ層９
の凸面に前記メッキ層５の細かい凹凸の表面６に倣った
凹凸状の粗面６’が形成され、その凹面に金型表面の光
沢面７に倣った光沢面７’が形成される。The second embodiment is characterized in that a secondary plating step is added after performing the same steps as the first embodiment, as is apparent from a comparison between FIG. 5 and FIG. are doing. In this secondary plating step, a secondary plating layer 9 having a thickness of about 5 μm is formed on the entire surface of the mold using a material having a higher hardness than the mold material, for example, chromium (FIG. 5 (f)). ). As a result, as shown in FIG.
Is formed on the convex surface of the plating layer 5 to form a rough surface 6 'having an uneven shape following the fine uneven surface 6 of the plating layer 5, and the concave surface thereof is formed with a gloss surface 7' following the gloss surface 7 of the mold surface.
【００２０】上記のように製作した金型を用いて樹脂製
品を成形すると、図６に示すように、模様部８の細かい
凹凸を有する粗面６ａがその周囲の光沢面７ａより凹陥
した状態にある樹脂製品Ａが得られる。When a resin product is molded using the mold manufactured as described above, as shown in FIG. 6, the rough surface 6a having fine irregularities of the pattern portion 8 is recessed from the surrounding glossy surface 7a. A certain resin product A is obtained.
【００２１】[0021]
【発明の効果】本願の第１発明によれば、細かい凹凸を
有する粗面状の模様部がその周囲の面より凹陥した状態
でシボ模様などが形成された樹脂製品を成形することが
できる。According to the first aspect of the present invention, it is possible to mold a resin product on which a grain pattern or the like is formed in a state where a rough surface pattern portion having fine irregularities is depressed from its surrounding surface.
【００２２】本願の第２発明によれば、第１発明の効果
と同様の効果を有する上に、金型表面全体がメッキ層で
覆われるので、金型表面全体の耐食性、耐磨耗性、光沢
性を高めることができる。According to the second invention of the present application, in addition to having the same effect as that of the first invention, since the entire mold surface is covered with the plating layer, the corrosion resistance, abrasion resistance, Glossiness can be increased.
【図１】従来例を示す工程図と主要工程の概略説明図。FIG. 1 is a process diagram showing a conventional example and a schematic explanatory diagram of main processes.
【図２】従来例における金型表面と樹脂製品を示す断面
図。FIG. 2 is a sectional view showing a mold surface and a resin product in a conventional example.
【図３】本発明の第１実施形態を示す工程図と主要工程
の概略説明図。FIG. 3 is a process chart showing a first embodiment of the present invention and a schematic explanatory view of main steps.
【図４】その樹脂製品を示す断面図。FIG. 4 is a sectional view showing the resin product.
【図５】本発明の第２実施形態を示す工程図と主要工程
の概略説明図。FIG. 5 is a process chart showing a second embodiment of the present invention and a schematic explanatory view of main steps.
【図６】その金型表面と樹脂製品を示す断面図。FIG. 6 is a sectional view showing the mold surface and a resin product.
１ レジスト ２ パターン形成フィルム ３ 金型 ４ 粗面 ５ メッキ層 ６ メッキ層の表面 ６ａ 粗面 ６’ 粗面 ７ 光沢面 ７ａ 光沢面 ７’ 光沢面 ８ 模様部 ９ メッキ層 Ａ 樹脂製品 DESCRIPTION OF SYMBOLS 1 Resist 2 Pattern forming film 3 Die 4 Rough surface 5 Plating layer 6 Plating layer surface 6a Rough surface 6 'Rough surface 7 Gloss surface 7a Gloss surface 7' Gloss surface 8 Pattern part 9 Plating layer A Resin product
フロントページの続き (72)発明者 杉本 孟 大阪府守口市佐太中町３丁目13番29号 アヤマダイ株式会社内 (56)参考文献 特開 平５−212727（ＪＰ，Ａ) 特開 平６−122125（ＪＰ，Ａ) (58)調査した分野(Int.Cl.7，ＤＢ名) B29C 33/00 - 33/76 B29C 43/36 - 43/42 B29C 45/26 - 45/44 Continuation of front page (72) Inventor Takeshi Sugimoto 3-13-29 Satanakacho, Moriguchi-shi, Osaka Ayamadai Co., Ltd. (56) References JP-A-5-212727 (JP, A) JP-A-6-122125 ( JP, A) (58) Field surveyed (Int. Cl. 7 , DB name) B29C 33/00-33/76 B29C 43/36-43/42 B29C 45/26-45/44
Claims (3)
面の模様形成部にのみ細かい凹凸を有する粗面を形成
し、次いで前記粗面のみにメッキ処理を施して、メッキ
層の表面がその周囲の面より突出するようにして金型を
製造し、この金型を用いて樹脂製品を成形することを特
徴とする樹脂製品の表面装飾方法。A rough surface having fine irregularities is formed only on a pattern forming portion of a mold surface by performing an etching process , and then only the rough surface is subjected to a plating process so that a surface of a plating layer is formed around the rough surface. A method for manufacturing a surface of a resin product, comprising: manufacturing a mold so as to protrude from a surface; and molding the resin product using the mold.
メッキ層の表面がその周囲の面より突出するようにした
後、更にその後金型表面全体にメッキ処理を施して金型
を製造することを特徴とする樹脂製品の表面装飾方法。2. The surface decoration method according to claim 1, wherein
A method for decorating a surface of a resin product, wherein a surface of a plating layer protrudes from a peripheral surface thereof, and then a plating process is performed on the entire surface of the mold to manufacture a mold.
材より高硬度のものであることを特徴とする請求項１又
は２記載の樹脂製品の表面装飾方法。3. The plating material used in the plating process is a mold element.
The surface decoration method for a resin product according to claim 1, wherein the surface decoration is higher in hardness than the material .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28267895A JP3199156B2 (en) | 1995-10-31 | 1995-10-31 | Surface decoration method for resin products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28267895A JP3199156B2 (en) | 1995-10-31 | 1995-10-31 | Surface decoration method for resin products |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09123181A JPH09123181A (en) | 1997-05-13 |
| JP3199156B2 true JP3199156B2 (en) | 2001-08-13 |
Family
ID=17655639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP28267895A Expired - Fee Related JP3199156B2 (en) | 1995-10-31 | 1995-10-31 | Surface decoration method for resin products |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3199156B2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5941253B2 (en) * | 2011-08-22 | 2016-06-29 | 株式会社小糸製作所 | Vehicle lamp |
| DE102014201885A1 (en) * | 2014-02-03 | 2015-08-06 | Johnson Controls Automotive Electronics Gmbh | Cover for at least one display instrument in a vehicle |
| WO2019188797A1 (en) * | 2018-03-27 | 2019-10-03 | 富士フイルム株式会社 | Method for manufacturing mold having recessed seat pattern, and method for producing pattern sheet |
| JP7023178B2 (en) * | 2018-05-10 | 2022-02-21 | トヨタ紡織株式会社 | Molding mold, manufacturing method of interior material for vehicles, and manufacturing method of molding mold |
| JP7049409B2 (en) * | 2020-07-17 | 2022-04-06 | マクセル株式会社 | Manufacturing method of mold for plastic working |
-
1995
- 1995-10-31 JP JP28267895A patent/JP3199156B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH09123181A (en) | 1997-05-13 |
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