JP2009240922A - Method of forming coating film having pattern - Google Patents
Method of forming coating film having pattern Download PDFInfo
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- JP2009240922A JP2009240922A JP2008090400A JP2008090400A JP2009240922A JP 2009240922 A JP2009240922 A JP 2009240922A JP 2008090400 A JP2008090400 A JP 2008090400A JP 2008090400 A JP2008090400 A JP 2008090400A JP 2009240922 A JP2009240922 A JP 2009240922A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/40—Distributing applied liquids or other fluent materials by members moving relatively to surface
- B05D1/42—Distributing applied liquids or other fluent materials by members moving relatively to surface by non-rotary members
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/20—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by magnetic fields
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
- B05D5/06—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain multicolour or other optical effects
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0218—Pretreatment, e.g. heating the substrate
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Abstract
Description
本発明は柄模様を有する塗膜の形成方法に関し、より詳しくは、磁性体粒子を含有するシート又はマグネットシートを用いて所望の磁性柄模様を形成し、微細なフレーク状磁性材料を含有する透明又は半透明の液状塗料を用いて柄模様を有する塗膜を形成する方法に関する。 The present invention relates to a method for forming a coating film having a pattern, and more specifically, a transparent film containing a fine flaky magnetic material by forming a desired magnetic pattern using a sheet or magnetic sheet containing magnetic particles. Or it is related with the method of forming the coating film which has a pattern using a translucent liquid coating material.
磁性塗料を用いて柄模様を有する塗膜を形成する方法として、ある一定の大きさに切断したベースフィルム材の裏面に該ベースフィルム材と同様の大きさの磁石を固定した後、該ベースフィルム材の上面に磁性材料含有液状塗料を塗布し、次いで乾燥硬化をおこなった後、該ベースフィルム材から磁石を取り除く方法が知られている（例えば、特許文献１〜４参照）。
しかしながら、上記した方法は柄模様の再現性、融通性、シャープさ等の点で必ずしも満足できるものではなく、又柄模様を有する塗膜の生産性の点でも必ずしも満足できるものではなかった。 However, the above-described method is not always satisfactory in terms of pattern pattern reproducibility, flexibility, sharpness, and the like, and is not necessarily satisfactory in terms of productivity of a coating film having a pattern.
本発明は上記の諸問題を改善するためになされたものであり、柄模様の再現性、融通性、シャープさ等の点で優れ、又柄模様を有する塗膜の生産性の点でも優れている、柄模様を有する塗膜の形成方法を提供することを目的としている。 The present invention has been made in order to improve the above problems, and is excellent in terms of reproducibility of pattern, flexibility, sharpness, etc., and in terms of productivity of a coating film having a pattern. An object of the present invention is to provide a method for forming a coating film having a pattern.
本発明者等は、上記の目的を達成するために鋭意研究を重ねた結果、磁性体粒子を含有するシート又はマグネットシートを用いて所望の磁性柄模様を形成し、微細なフレーク状磁性材料を含有する透明又は半透明の液状塗料を用いて柄模様を有する塗膜を形成する方法において、該液状塗料を乾燥膜厚で８〜５０μｍとなるように塗布し、該塗布した液状塗料をその塗布の１分後の不揮発分が６０〜８０質量％となるように乾燥又は硬化させて該液状塗料の塗膜中に磁性柄模様に相当する模様を形成させることにより柄模様の再現性、融通性、シャープさ等の点で優れた柄模様を有する塗膜が有意に形成されることを見出し、本発明を完成した。 As a result of intensive studies to achieve the above object, the present inventors have formed a desired magnetic pattern using a sheet or magnetic sheet containing magnetic particles, and formed a fine flaky magnetic material. In a method of forming a coating film having a pattern using a transparent or translucent liquid paint contained therein, the liquid paint is applied so as to have a dry film thickness of 8 to 50 μm, and the applied liquid paint is applied. The pattern is reproducible and flexible by forming a pattern corresponding to the magnetic pattern in the coating film of the liquid paint by drying or curing so that the non-volatile content after 1 minute becomes 60 to 80% by mass. The present invention was completed by finding that a coating film having a handle pattern excellent in sharpness and the like was formed significantly.
即ち、本発明の柄模様を有する塗膜の形成方法は、磁性体粒子を含有するシートに所望の柄模様に相当する柄模様で着磁させるか又は所望の柄模様が抜けた模様に相当する柄模様で着磁させる工程、該着磁させたシートの上に非磁性体シートを載せ、該非磁性体シート表面に微細なフレーク状磁性材料を含有する透明又は半透明の液状塗料を乾燥膜厚で８〜５０μｍとなるように塗布する工程、該塗布した液状塗料をその塗布の１分後の不揮発分が６０〜８０質量％となるように乾燥又は硬化させて該液状塗料の塗膜中に該磁性柄模様に相当する模様を形成させ、その後に該塗膜を完全に乾燥又は硬化させる工程、からなることを特徴とする。 That is, the method for forming a coating film having a patterned pattern according to the present invention corresponds to a pattern in which a sheet containing magnetic particles is magnetized with a patterned pattern corresponding to a desired patterned pattern or a desired patterned pattern is missing. A step of magnetizing with a patterned pattern, a non-magnetic sheet is placed on the magnetized sheet, and a transparent or translucent liquid paint containing a fine flaky magnetic material is dried on the surface of the non-magnetic sheet The step of applying the coating liquid to 8 to 50 μm, and drying or curing the applied liquid paint so that the non-volatile content after 1 minute of application is 60 to 80% by mass in the coating film of the liquid paint The method is characterized by comprising a step of forming a pattern corresponding to the magnetic pattern and then completely drying or curing the coating film.
また、本発明の柄模様を有する塗膜の形成方法は、マグネットシートから所望の柄模様に相当する部分を抜き取る工程、該抜き取った部分のマグネットシート又は該抜き取った残りのマグネットシートの何れかの上に非磁性体シートを載せ、該非磁性体シート表面に微細なフレーク状磁性材料を含有する透明又は半透明の液状塗料を乾燥膜厚で８〜５０μｍとなるように塗布する工程、該塗布した液状塗料をその塗布の１分後の不揮発分が６０〜８０質量％となるように乾燥又は硬化させて該液状塗料の塗膜中に該磁性柄模様に相当する模様を形成させ、その後に該塗膜を完全に乾燥又は硬化させる工程、からなることを特徴とする。 In addition, the method for forming a coating film having a pattern according to the present invention includes a step of extracting a portion corresponding to a desired pattern from a magnet sheet, either the magnet sheet of the extracted portion or the remaining magnet sheet extracted. A step of applying a transparent or translucent liquid paint containing a fine flaky magnetic material on the surface of the nonmagnetic sheet so as to have a dry film thickness of 8 to 50 μm. The liquid paint is dried or cured so that the non-volatile content after 1 minute of application is 60 to 80% by mass to form a pattern corresponding to the magnetic pattern in the coating film of the liquid paint. A step of completely drying or curing the coating film.
更に、本発明の柄模様を有する塗膜の形成方法は、マグネットシートから所望の柄模様に相当する部分を抜き取る工程、該抜き取った部分のマグネットシートと該抜き取った残りのマグネットシートと同形状の非磁性シートとを組み合わせたシート、又は該抜き取った残りのマグネットシートと該抜き取った部分のマグネットシートと同形状の非磁性シートとを組み合わせたシートの何れかの上に非磁性体シートを載せ、該非磁性体シート表面に微細なフレーク状磁性材料を含有する透明又は半透明の液状塗料を乾燥膜厚で８〜５０μｍとなるように塗布する工程、該塗布した液状塗料をその塗布の１分後の不揮発分が６０〜８０質量％となるように乾燥又は硬化させて該液状塗料の塗膜中に該磁性柄模様に相当する模様を形成させ、その後に該塗膜を完全に乾燥又は硬化させる工程、からなることを特徴とする。 Furthermore, the method of forming a coating film having a pattern according to the present invention includes a step of extracting a portion corresponding to a desired pattern from a magnet sheet, and the same shape as the extracted magnet sheet and the remaining magnet sheet. A non-magnetic sheet is placed on either a sheet combining a non-magnetic sheet, or a sheet combining the remaining magnet sheet extracted and the non-magnetic sheet of the same shape as the extracted magnet sheet, A step of applying a transparent or translucent liquid paint containing a fine flaky magnetic material on the surface of the non-magnetic material so as to have a dry film thickness of 8 to 50 μm, and 1 minute after the application of the applied liquid paint To form a pattern corresponding to the magnetic pattern in the coating film of the liquid paint by drying or curing so that the non-volatile content is 60 to 80% by mass, Step of completely dried or cured coating film, characterized by comprising the.
本発明の柄模様を有する塗膜の形成方法においては柄模様の再現性、融通性、シャープさ等の点で優れ、又柄模様を有する塗膜の生産性の点でも優れている。 The method for forming a coating film having a pattern according to the present invention is excellent in terms of pattern pattern reproducibility, flexibility, sharpness, and the like, and also in terms of productivity of a coating film having a pattern.
本発明の柄模様を有する塗膜の形成方法においては、出発材料として磁性体粒子を含有するシートを用いるか又はマグネットシートを用いる。磁性体粒子を含有するシートを用いる場合には、磁性体粒子を含有するシートに所望の柄模様に相当する柄模様で着磁させる（この場合には所望の柄模様に相当する磁性柄模様となる）か、又は所望の柄模様が抜けた模様に相当する柄模様で着磁させる（この場合には所望の柄模様に相当する非磁性柄模様となる）ことが必要である。また、この着磁については両面着磁であっても多極着磁であってもよく、多極着磁の場合には柄模様に加えてその柄模様の中に縞状の模様が形成される。 In the method for forming a coating film having a pattern according to the present invention, a sheet containing magnetic particles or a magnetic sheet is used as a starting material. When a sheet containing magnetic particles is used, the sheet containing magnetic particles is magnetized with a pattern corresponding to a desired pattern (in this case, a magnetic pattern corresponding to a desired pattern) It is necessary to magnetize with a pattern corresponding to a pattern from which a desired pattern is missing (in this case, a non-magnetic pattern corresponding to the desired pattern). In addition, this magnetization may be double-sided magnetization or multipolar magnetization. In the case of multipolar magnetization, a striped pattern is formed in the pattern in addition to the pattern. The
本発明の柄模様を有する塗膜の形成方法においてマグネットシートを用いる場合には、マグネットシートから所望の柄模様に相当する部分を抜き取ることが必要である。本発明においては該抜き取った部分のマグネットシート（この場合には所望の柄模様に相当する磁性柄模様となる）及び該抜き取った残りのマグネットシート（この場合には所望の柄模様に相当する非磁性柄模様となる）の何れもそのままで用いることができる。しかし、上に載せる非磁性体シートを安定に保持する必要があるときには、該抜き取った部分のマグネットシートと、該抜き取った残りのマグネットシートと同形状の非磁性シートとを組み合わせたシート（この場合には所望の柄模様に相当する磁性柄模様となる）、又は該抜き取った残りのマグネットシートと、該抜き取った部分のマグネットシートと同形状の非磁性シートとを組み合わせたシート（この場合には所望の柄模様に相当する非磁性柄模様となる）を用いることもできる。本発明の柄模様を有する塗膜の形成方法においてマグネットシートは両面着磁シート及び多極着磁シートの何れでもよく、多極着磁シートの場合には柄模様に加えてその柄模様中に縞状の模様が形成される。 When a magnetic sheet is used in the method for forming a coating film having a pattern according to the present invention, it is necessary to extract a portion corresponding to a desired pattern from the magnet sheet. In the present invention, the extracted magnet sheet (in this case, a magnetic pattern corresponding to the desired pattern) and the remaining magnet sheet (in this case, the non-pattern corresponding to the desired pattern) are obtained. Any of the magnetic pattern can be used as it is. However, when it is necessary to stably hold the non-magnetic material sheet placed thereon, a sheet (in this case, a combination of the extracted magnetic sheet and the non-magnetic sheet having the same shape as the remaining magnetic sheet) Is a magnetic pattern corresponding to a desired pattern), or a sheet (in this case, a combination of the removed magnetic sheet and a non-magnetic sheet having the same shape as the extracted magnetic sheet) It is also possible to use a non-magnetic pattern corresponding to a desired pattern. In the method for forming a coating film having a pattern according to the present invention, the magnet sheet may be either a double-sided magnetized sheet or a multipolar magnetized sheet. In the case of a multipolar magnetized sheet, in addition to the pattern, A striped pattern is formed.
本発明において非磁性柄模様を有するシートとは、柄模様部分が非磁性の状態で柄模様以外の部分が磁性の状態のシートであるか、又は柄模様部分が取り除かれていて柄模様以外の部分が磁性の状態のシートであることを意味する。 In the present invention, the sheet having a non-magnetic pattern is a sheet in which the pattern part is non-magnetic and the part other than the pattern is magnetic, or the pattern part is removed and other than the pattern pattern. It means that the portion is a magnetic sheet.
本発明で使用する非磁性体シートは非磁性体からなるベースフィルムであり、その材質については制限はない。その材質の具体例としては、例えばポリ塩化ビニル、ポリエステル、ポリエチレン、ナイロン、ポリウレタン、ポリイミド、アクリル、スチレン、ＡＢＳ、フェノール、エポキシ、セルロース、ゴム等を挙げることができる。 The non-magnetic material sheet used in the present invention is a base film made of a non-magnetic material, and the material thereof is not limited. Specific examples of the material include polyvinyl chloride, polyester, polyethylene, nylon, polyurethane, polyimide, acrylic, styrene, ABS, phenol, epoxy, cellulose, rubber and the like.
非磁性体シートは、それ自体着色されていても透明であってもよく、また、表面が平滑であってもエンボス加工したものであってもよい。更に、現出させる柄模様を目的の色調にするために、該非磁性体シートの表面に、着色顔料及びビヒクル成分を主成分とし且つ磁性材料を含有していない着色プライマーを用いて下塗層を形成しておくことも可能である。該非磁性体シートの厚さについては、該非磁性体シートの下面のマグネットシートまたは着磁シートの磁力が非磁性体シート表面に塗布した液状塗料中の微細なフレーク状磁性材料に作用を及ぼすことを妨げない厚さであれば特に制限はなく、柄模様を有する塗膜の形成された非磁性体シートの用途によってきまる。 The nonmagnetic material sheet itself may be colored or transparent, and the surface may be smooth or embossed. Further, in order to make the pattern to be displayed have a desired color tone, an undercoat layer is formed on the surface of the non-magnetic material sheet using a colored primer mainly containing a color pigment and a vehicle component and not containing a magnetic material. It is also possible to form it. Regarding the thickness of the non-magnetic sheet, the magnetic force of the magnet sheet or the magnetized sheet on the lower surface of the non-magnetic sheet affects the fine flaky magnetic material in the liquid paint applied to the surface of the non-magnetic sheet. The thickness is not particularly limited as long as the thickness is not hindered, and depends on the use of the nonmagnetic sheet on which a coating film having a pattern is formed.
本発明で使用する微細なフレーク状磁性材料を含有する透明又は半透明の液状塗料は、フレーク状磁性材料、ビヒクル成分及び溶剤を主成分とし、更に必要に応じてガラスフレーク、パール顔料、雲母、アルミニウム粉、着色顔料、染料等を配合してなる液状組成物である。また、該液状塗料は、塗料に普通に使用されている添加剤、表面調整剤、体質顔料等を適宜含有していてもよい。 A transparent or translucent liquid paint containing a fine flaky magnetic material used in the present invention is mainly composed of a flaky magnetic material, a vehicle component and a solvent, and if necessary, glass flakes, pearl pigments, mica, It is a liquid composition formed by blending aluminum powder, color pigments, dyes and the like. In addition, the liquid paint may appropriately contain additives, surface conditioners, extender pigments and the like that are commonly used in paints.
フレーク状磁性材料は、フレーク状磁性材料を含有する液状の塗膜の状態で磁場を作用させると磁力によって配向（向きを変化）するフレーク状の粉末粒子で、例えばニッケル、鉄の含有率が高いステンレススチール、コバルト、クロム、鉄、酸化鉄等の粉末粒子やこれらの金属又は金属酸化物を被覆又は含有せしめたものが好ましい。フレーク状磁性材料の形状はリン片状、薄板状等の何れでもさしつかえない。またフレーク状磁性材料の大きさについては、本発明の目的を達成する観点では特に制限されることはなく、対象物の外観や設備面の制限を考慮して随時選択することができる。例えば、柄模様を有する塗膜（乾燥膜厚）の厚さとの関連で粒子の最大径の平均径で一般的には１〜４０μｍ程度、好ましくは２〜２５μｍ程度である。 A flaky magnetic material is a flaky powder particle that is oriented (changes direction) by a magnetic force when a magnetic field is applied in the state of a liquid coating film containing the flaky magnetic material. For example, the content of nickel and iron is high. Preference is given to powder particles such as stainless steel, cobalt, chromium, iron, iron oxide, etc., and those coated or contained with these metals or metal oxides. The flake-like magnetic material may be in the form of flakes or thin plates. In addition, the size of the flaky magnetic material is not particularly limited from the viewpoint of achieving the object of the present invention, and can be selected at any time in consideration of the appearance of the object and the restrictions on the equipment. For example, in relation to the thickness of the coating film having a pattern (dry film thickness), the average diameter of the maximum diameter of the particles is generally about 1 to 40 μm, preferably about 2 to 25 μm.
ビヒクル成分としては、通常の塗料用樹脂が使用でき、例えば常温で乾燥もしくは反応硬化する樹脂、加熱によって硬化もしくは溶融する樹脂、活性エネルギー線照射で硬化する樹脂等があげられ、具体的にはアルキド樹脂、ポリエステル樹脂、アクリル樹脂、ウレタン樹脂、ビニル樹脂、アミノ樹脂、エポキシ樹脂、フェノール樹脂、シリコン樹脂、フッ素樹脂及びこれらの変性樹脂等が好ましい。 As the vehicle component, ordinary coating resins can be used, for example, resins that are dried or reactively cured at room temperature, resins that are cured or melted by heating, resins that are cured by irradiation with active energy rays, and the like. A resin, a polyester resin, an acrylic resin, a urethane resin, a vinyl resin, an amino resin, an epoxy resin, a phenol resin, a silicon resin, a fluororesin, and a modified resin thereof are preferable.
また、溶剤としては有機溶剤、水が挙げられる。本発明で用いるフレーク状磁性材料を含有する液状塗料の形態として有機溶剤型、非水ディスパーション型、水溶液型、エマルジョン型等を挙げることができる。 Moreover, an organic solvent and water are mentioned as a solvent. Examples of the liquid paint containing the flaky magnetic material used in the present invention include an organic solvent type, a non-aqueous dispersion type, an aqueous solution type, and an emulsion type.
本発明で用いるフレーク状磁性材料を含有する液状塗料においては、
目的外観に応じてフレーク状磁性材料の含有量を選択できるが、塗膜の他の性能とのバランスを考慮して、フレーク状磁性材料を塗料１００質量部あたり１〜５０質量部、特に５〜２５質量部の量で存在させることが好ましい。また、溶剤の量については、非磁性体シート表面にフレーク状磁性材料を含有する液状塗料を乾燥膜厚で８〜５０μｍとなるように塗布した１分後のその塗布した液状塗料の不揮発分が６０〜８０質量％となるように乾燥又は硬化させることができるように調整する。
In the liquid paint containing the flaky magnetic material used in the present invention,
Although the content of the flaky magnetic material can be selected according to the desired appearance, the flaky magnetic material is added in an amount of 1 to 50 parts by weight, especially 5 to 100 parts by weight in consideration of the balance with other performances of the coating film. It is preferably present in an amount of 25 parts by weight. The amount of the solvent is the non-volatile content of the applied liquid paint one minute after applying the liquid paint containing the flaky magnetic material on the nonmagnetic sheet surface so that the dry film thickness is 8 to 50 μm. It adjusts so that it can be made to dry or harden so that it may become 60-80 mass%.
本発明の柄模様を有する塗膜の形成方法においては、フレーク状磁性材料を含有する液状塗料の塗布手段として、例えば吹付塗装機、ナイフコーター、グラビアコーター、ローラー、スクリーン印刷機等を用いておこなうことができる。 In the method for forming a coating film having a pattern according to the present invention, for example, a spray coating machine, a knife coater, a gravure coater, a roller, a screen printing machine or the like is used as a coating means for a liquid paint containing a flaky magnetic material. be able to.
本発明の柄模様を有する塗膜の形成方法においては、フレーク状磁性材料を含有する液状塗料を乾燥膜厚で８〜５０μｍ、好ましくは１０〜４０μｍとなるように塗布する。乾燥膜厚で８μｍ未満となる場合には磁力によるフレーク状磁性材料の配向（向きの変化）が妨げられて柄模様の再現性が劣る傾向がある。また、乾燥膜厚で５０μｍを超える場合には柄模様の立体感が劣る傾向がある。 In the method for forming a coating film having a handle pattern according to the present invention, a liquid paint containing a flaky magnetic material is applied so as to have a dry film thickness of 8 to 50 μm, preferably 10 to 40 μm. When the dry film thickness is less than 8 μm, the orientation (change in orientation) of the flaky magnetic material due to magnetic force is hindered, and the reproducibility of the pattern tends to be inferior. Moreover, when the dry film thickness exceeds 50 μm, the three-dimensional effect of the pattern tends to be inferior.
フレーク状磁性材料を含有する液状塗料の乾燥又は硬化は、塗料の種類に応じて適宜の方法を選択することができる。例えば常温乾燥、反応硬化、加熱による硬化、加熱による溶融及びその後の冷却による硬化、活性エネルギー線照射による硬化を利用することができ、加熱が必要なものについては乾燥機、活性エネルギー線照射が必要なものについては活性エネルギー線照射器によって硬化させることができる。 An appropriate method for drying or curing the liquid paint containing the flaky magnetic material can be selected depending on the kind of the paint. For example, room temperature drying, reaction curing, curing by heating, melting by heating and subsequent cooling, curing by active energy ray irradiation can be used, and dryers and active energy ray irradiation are required for those that require heating. Some can be cured by an active energy ray irradiator.
本発明の柄模様を有する塗膜の形成方法においては、塗布した液状塗料をその塗布の１分後の不揮発分が６０〜８０質量％、好ましくは６０〜７５質量％となるように乾燥又は硬化させて該液状塗料の塗膜中に該磁性柄模様に相当する模様を形成させることが必要であり、その後に該塗膜を完全に乾燥又は硬化させる。塗布の１分後の不揮発分が８０質量％を超える場合には磁力によるフレーク状磁性材料の配向（向きの変化）が終了する前に磁力によるフレーク状磁性材料の配向（向きの変化）が妨げられて柄模様の再現性が劣る傾向がある。また、塗布の１分後の不揮発分が６０質量％未満である場合にはフレーク状磁性材料の配向が固定されるまでの時間が長くなり、生産性が劣ることになる。 In the method for forming a coating film having a handle pattern according to the present invention, the applied liquid paint is dried or cured so that the nonvolatile content after 1 minute of application is 60 to 80% by mass, preferably 60 to 75% by mass. Thus, it is necessary to form a pattern corresponding to the magnetic pattern in the coating film of the liquid paint, and then the coating film is completely dried or cured. When the non-volatile content after 1 minute of application exceeds 80% by mass, the orientation (change in orientation) of the flaky magnetic material by magnetic force is hindered before the orientation (change in orientation) of the flaky magnetic material by magnetic force is completed. The pattern reproducibility tends to be inferior. Moreover, when the non-volatile content after 1 minute of application | coating is less than 60 mass%, time until the orientation of flake-like magnetic material is fixed becomes long, and productivity will be inferior.
本発明の柄模様を有する塗膜の形成方法によって得られる柄模様を有する非磁性体シートの表面に必要に応じてクリヤー膜を設けることができる。クリヤー膜は、例えばクリヤー塗料を塗布することにより、又は接着剤（粘着剤も含む）を有するクリヤーフィルムをラミネートすることにより形成できる。また、クリヤー膜はガラスフレーク、パール顔料又は着色顔料を含有することができる。 If necessary, a clear film can be provided on the surface of the nonmagnetic sheet having a pattern obtained by the method for forming a coating film having a pattern of the present invention. The clear film can be formed, for example, by applying a clear paint or by laminating a clear film having an adhesive (including an adhesive). The clear film can contain glass flakes, pearl pigments or colored pigments.
本発明方法によって得られた柄模様を有する非磁性体シートは、そのままでも使用することができるが、例えば非磁性体シートの裏面に粘着剤層やマグネットシート層を設けて他の製品に貼付させて用いることも可能であり、この方が利用価値が高い。 The non-magnetic material sheet having the pattern obtained by the method of the present invention can be used as it is, but for example, an adhesive layer or a magnet sheet layer is provided on the back surface of the non-magnetic material sheet to be applied to other products. It is also possible to use this, and this is more valuable.
実施例１
３ｍｍ厚の黒色ＡＢＳ樹脂板の表面をＩＰＡワイピング処理し、次いで導電剤を塗布して得たＡＢＳ樹脂板から３．５ｃｍ×６ｃｍの長方形の非磁性体シートを切り取り、また、２ｍｍ厚のマグネットシートから頂角１２０°、底辺の長さ４ｃｍの二等辺三角形のマグネットシートを切り取った。更に、ウレタン塗料Ｖ−ＴＯＰ ＨＮＶ（大日本塗料株式会社製）に８質量％の濃度となるようにステンレスフレークＲＦＡ４０００（東洋アルミ株式会社製）を分散させ、このステンレスフレーク含有ウレタン塗料１００質量部に１０質量部の硬化剤及び３０質量部のシンナーを加えてフレーク状磁性材料を含有する透明液状塗料を調製した。
Example 1
A 3 mm thick black ABS resin plate surface is subjected to IPA wiping treatment, and then a 3.5 cm × 6 cm rectangular non-magnetic sheet is cut out from the ABS resin plate obtained by applying a conductive agent, and a 2 mm thick magnet sheet. An isosceles triangular magnet sheet having an apex angle of 120 ° and a base length of 4 cm was cut out. Furthermore, stainless steel flake RFA4000 (manufactured by Toyo Aluminum Co., Ltd.) is dispersed in urethane paint V-TOP HNV (manufactured by Dainippon Paint Co., Ltd.) so as to have a concentration of 8% by mass. A transparent liquid paint containing a flaky magnetic material was prepared by adding 10 parts by weight of a curing agent and 30 parts by weight of thinner.
上記の切り取ったマグネットシートの上に上記の切り取った非磁性体シートを載せ、該非磁性体シート表面に上記の液状塗料を塗布した。塗布の方法としてメタベル（カップ：７０φ）を用い、静電圧−６０ｋＶ、シェービングエア２．０ｋｇ／ｃｍ2、ベル回転数３００００ｒｐｍ、ガン距離２０ｃｍ、線速５０ｍ／ｍｉｎ、コンベアスピード１．６５ｍ／ｍｉｎで吐出量を第１表に示すように変化させた回転霧化型静電塗装を実施した。その後風乾させた。塗布後の柄模様が発現するまでの時間（柄模様発現時間）、塗布の１分後及び３分後の不揮発分の量（質量％）、完全乾燥硬化の後の膜厚（乾燥膜厚）及び柄模様の発現性を調べた。それらの結果は第１表に示す通りであった。 The cut nonmagnetic sheet was placed on the cut magnetic sheet, and the liquid paint was applied to the surface of the nonmagnetic sheet. As a coating method, using a metabell (cup: 70φ), static voltage of −60 kV, shaving air of 2.0 kg / cm 2 , bell rotation speed of 30000 rpm, gun distance of 20 cm, linear speed of 50 m / min, conveyor speed of 1.65 m / min. Rotating atomization type electrostatic coating was carried out by changing the discharge amount as shown in Table 1. Then it was allowed to air dry. Time until pattern pattern after application (pattern pattern expression time), amount of non-volatile content (mass%) after 1 minute and 3 minutes after application, film thickness after complete dry curing (dry film thickness) And the expression of the pattern was examined. The results were as shown in Table 1.
柄模様の発現性については、図１に示す５点の明度の差及び模様エッジ帯状部の幅で評価した。点１は下にマグネットシートのない部分であり、点２はマグネットシートの底辺より少し内側に対応する模様部であり、点３はマグネットシートの二等辺より少し内側に対応する模様部であり、点４はマグネットシートの底辺より少し外側に対応する部分であり、点５は磁力を一番強く受ける模様エッジ帯状部である。１−５間の明度差、２−５間の明度差、２−３間の明度差、４−５間の明度差、及び模様エッジ帯状部の幅を第１表に示す。 About the expression property of a pattern, it evaluated by the difference of the brightness of 5 points | pieces shown in FIG. 1, and the width | variety of a pattern edge strip | belt-shaped part. Point 1 is a portion without a magnet sheet below, Point 2 is a pattern portion corresponding to a little inside from the bottom side of the magnet sheet, Point 3 is a pattern portion corresponding to a little inside from the isosceles side of the magnet sheet, Point 4 is a portion corresponding to a little outside from the bottom of the magnet sheet, and point 5 is a pattern edge band portion that receives the magnetic force most strongly. Table 1 shows the lightness difference between 1-5, the lightness difference between 2-5, the lightness difference between 2-3, the lightness difference between 4-5, and the width of the pattern edge band.
なお、吐出量がそれぞれ５０ｍｌ／ｍｉｎ、１００ｍｌ／ｍｉｎ、１５０ｍｌ／ｍｉｎ、２００ｍｌ／ｍｉｎ、２５０ｍｌ／ｍｉｎ及び３００ｍｌ／ｍｉｎの場合の非磁性体シート上の柄模様の写真は図２に示す通りであった。 The photographs of the pattern on the non-magnetic material sheet when the discharge rates are 50 ml / min, 100 ml / min, 150 ml / min, 200 ml / min, 250 ml / min and 300 ml / min are as shown in FIG. It was.
１ 下にマグネットシートのない部分。
２ マグネットシートの底辺より少し内側に対応する模様部。
３ マグネットシートの二等辺より少し内側に対応する模様部。
４ マグネットシートの底辺より少し外側に対応する部分。
５ 磁力を一番強く受ける模様エッジ帯状部。
1 The part without the magnet sheet below.
2 Pattern part corresponding to the inside slightly from the bottom of the magnet sheet.
3 Pattern part corresponding to a little inside from the isosceles side of the magnet sheet.
4 The part corresponding to the outside slightly from the bottom of the magnet sheet.
5 Pattern edge band that receives the strongest magnetic force.
Claims (7)
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| CN2009801119231A CN102026739A (en) | 2008-03-31 | 2009-02-18 | Method for forming coating film having pattern |
| PCT/JP2009/052752 WO2009122796A1 (en) | 2008-03-31 | 2009-02-18 | Method for forming coating film having pattern |
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| JPH04244268A (en) * | 1991-01-31 | 1992-09-01 | Nissan Motor Co Ltd | Method for forming pattern coating film |
| JP2003176452A (en) * | 2001-12-11 | 2003-06-24 | Kansai Paint Co Ltd | Magnetic pattern-forming coating material and method for forming coating film using the same |
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| JPH04244268A (en) * | 1991-01-31 | 1992-09-01 | Nissan Motor Co Ltd | Method for forming pattern coating film |
| JP2003176452A (en) * | 2001-12-11 | 2003-06-24 | Kansai Paint Co Ltd | Magnetic pattern-forming coating material and method for forming coating film using the same |
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