JP2018130832A - Molding - Google Patents
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- JP2018130832A JP2018130832A JP2017024003A JP2017024003A JP2018130832A JP 2018130832 A JP2018130832 A JP 2018130832A JP 2017024003 A JP2017024003 A JP 2017024003A JP 2017024003 A JP2017024003 A JP 2017024003A JP 2018130832 A JP2018130832 A JP 2018130832A
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- filler
- layer
- resin
- judged
- silver mirror
- Prior art date
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Links
- 238000000465 moulding Methods 0.000 title abstract description 4
- 239000000945 filler Substances 0.000 claims abstract description 66
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229910052709 silver Inorganic materials 0.000 claims abstract description 28
- 239000004332 silver Substances 0.000 claims abstract description 28
- 239000000463 material Substances 0.000 claims abstract description 17
- 239000002245 particle Substances 0.000 claims abstract description 16
- 239000011256 inorganic filler Substances 0.000 claims abstract description 3
- 239000012766 organic filler Substances 0.000 claims abstract description 3
- 230000003746 surface roughness Effects 0.000 claims description 7
- 239000010409 thin film Substances 0.000 abstract description 9
- 239000010410 layer Substances 0.000 description 66
- 239000003973 paint Substances 0.000 description 23
- 229920005989 resin Polymers 0.000 description 20
- 239000011347 resin Substances 0.000 description 20
- 230000000052 comparative effect Effects 0.000 description 18
- 238000011156 evaluation Methods 0.000 description 13
- 101000798707 Homo sapiens Transmembrane protease serine 13 Proteins 0.000 description 11
- 102100032467 Transmembrane protease serine 13 Human genes 0.000 description 11
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 10
- 239000010408 film Substances 0.000 description 10
- 229920003023 plastic Polymers 0.000 description 9
- 239000000126 substance Substances 0.000 description 8
- 239000000758 substrate Substances 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 6
- XUMBMVFBXHLACL-UHFFFAOYSA-N Melanin Chemical compound O=C1C(=O)C(C2=CNC3=C(C(C(=O)C4=C32)=O)C)=C2C4=CNC2=C1C XUMBMVFBXHLACL-UHFFFAOYSA-N 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 6
- 238000001035 drying Methods 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000010703 silicon Substances 0.000 description 6
- 229910052710 silicon Inorganic materials 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 238000002559 palpation Methods 0.000 description 5
- 239000004033 plastic Substances 0.000 description 5
- -1 polyethylene Polymers 0.000 description 5
- 239000007921 spray Substances 0.000 description 5
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 4
- 230000014759 maintenance of location Effects 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 229920001225 polyester resin Polymers 0.000 description 4
- 239000004645 polyester resin Substances 0.000 description 4
- 229920001187 thermosetting polymer Polymers 0.000 description 4
- 239000004743 Polypropylene Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000003086 colorant Substances 0.000 description 3
- 239000003822 epoxy resin Substances 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- 239000002356 single layer Substances 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 241001422033 Thestylus Species 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000011368 organic material Substances 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 229920002050 silicone resin Polymers 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 229920005992 thermoplastic resin Polymers 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical group CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 229920001807 Urea-formaldehyde Polymers 0.000 description 1
- 241000385223 Villosa iris Species 0.000 description 1
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920005668 polycarbonate resin Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229910052604 silicate mineral Inorganic materials 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 229920002725 thermoplastic elastomer Polymers 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
- Paints Or Removers (AREA)
Abstract
Description
本発明は、成形品に関する。 The present invention relates to a molded article.
成形品は、樹脂にて形成されることが多く、その表面を保護するため、表面コートを行うことが行われている。
具体的には、自動車成形品では、外装面の質感も重要なことから、基材の上に平坦化するアンダーコート層、質感を向上させる銀鏡層、表面保護を行うトップコート層と、3層からなる表面コートを行っている。
The molded product is often formed of a resin, and surface coating is performed to protect the surface.
Specifically, in automobile molded products, the texture of the exterior surface is also important, so an undercoat layer that is flattened on the base material, a silver mirror layer that improves the texture, a top coat layer that protects the surface, and three layers A surface coat consisting of
銀鏡層は、金属光沢を帯びさせ、成形品の風合いに深みを持たせることができるが、空気中での変質や、傷つきやすさから、トップコートにより覆うようにしている。
また、トップコートは、必ずしも1層ではなく、複数層にすることもある。
The silver mirror layer has a metallic luster and can give a deep texture to the molded product. However, the silver mirror layer is covered with a top coat because it is altered in air and easily damaged.
Further, the top coat is not necessarily a single layer but may be a plurality of layers.
しかしながら、前述したような成形品は、多層構造による薄膜干渉による虹色を示すことがある。
薄膜干渉は、各層での反射光が、互いに干渉しあうことで虹色を生ずるものであり、水たまりに油膜がある時や、シャボン玉の表面等により、よく知られているが、色むらのように見えることもあり、好ましいものではない。
また、自動車用の成形品では、表面外観に注意が必要であり、異物が入っているように見えることがあってはならない。
However, a molded article as described above may show a rainbow color due to thin film interference due to a multilayer structure.
Thin film interference is a rainbow color caused by the reflected light from each layer interfering with each other. It is well known when there is an oil film in a puddle, the surface of a soap bubble, etc. May appear to be undesirable.
Moreover, in the molded article for automobiles, attention must be paid to the surface appearance, and it should not appear to contain foreign matters.
本発明は、表面に薄膜干渉による虹色の発現が抑制され、更には異物が入ったように見えることもない、成形品を、提供することを目的とする。 An object of the present invention is to provide a molded article in which the appearance of rainbow colors due to thin film interference is suppressed on the surface, and further, it does not appear that foreign matter has entered.
本発明は、以下のものに関する。
(1)基材と、この基材上に下から順次積層するアンダーコート層、銀鏡層、トップコート層とを備え、前記トップコート層が、無機又は有機の充填材を含み、この充填材の平均粒径が20μmよりも大きい、成形品。
(2)項(1)において、トップコート層が、複数層により形成され、その複数層の少なくとも1層に充填材が含まれる、成形品。
(3)項(1)又は(2)において、充填材を含む層で形成される成形品の表面粗さRzが30以下である成形品。
The present invention relates to the following.
(1) A base material and an undercoat layer, a silver mirror layer, and a top coat layer that are sequentially laminated on the base material from below are provided, and the top coat layer includes an inorganic or organic filler, Molded product with an average particle size larger than 20 μm.
(2) The molded article according to item (1), wherein the topcoat layer is formed of a plurality of layers, and at least one of the plurality of layers includes a filler.
(3) The molded product in which the surface roughness Rz of the molded product formed of the layer containing the filler is 30 or less in the item (1) or (2).
本発明によれば、深みのある風合いを維持しつつ、薄膜干渉による虹色の発現を抑制することができる。そして、充填材の平均粒径が、20μmよりも大きいことから、充填材間の隙間から銀鏡層を垣間見ることができ、銀鏡層独特の金属感を損なうことがない。
トップコート層が複数層である場合は、より深みを出すことができると共に、層の一部に充填材を含むことから、多少の異物が混入しても充填材と同化することでこれが目立たず、外観不良が発生しにくい。
充填材を含む塗面の粗さRzが30以下であれば、成形品に触れた際の衣類やカバンなどの繊維の引っかかりが発生しにくく、自動車部品として使用した際には、使用者が乗降時に衣類の破れなどを気にせずに済む。
ADVANTAGE OF THE INVENTION According to this invention, the expression of the rainbow color by thin film interference can be suppressed, maintaining a deep texture. And since the average particle diameter of a filler is larger than 20 micrometers, a silver mirror layer can be glimpsed from the clearance gap between fillers, and the metallic feeling peculiar to a silver mirror layer is not impaired.
When the topcoat layer is composed of a plurality of layers, the depth can be increased, and since the filler is included in a part of the layer, this is not noticeable by assimilating the filler even if some foreign matter is mixed in. Appearance defects are less likely to occur.
If the surface roughness Rz of the coating surface including the filler is 30 or less, fibers such as clothing and bags are not easily caught when the molded product is touched. Sometimes you don't have to worry about broken clothing.
<基材>
本明細書にて述べる基材とは、後述するアンダーコート層を積層させるものであり、材質は特に限定されるものではないが、金属成形品又は合成樹脂成形品等を用いることができ、合成樹脂としては、熱硬化性樹脂又は熱可塑性樹脂を用いることができる。
熱可塑性樹脂としては、ポリエチレン、ポリプロピレン、ポリスチレン、ポリ塩化ビニル、ビニル系ポリマー、ポリエステル、ポリアミド、ABS樹脂、ポリエステル樹脂、熱可塑性エストラマー等を用いることができる。
熱硬化性樹脂としては、シリコン樹脂、ポリウレタン樹脂、ポリエステル樹脂、メラニン樹脂、エポキシ樹脂、フェノール樹脂、ユリア樹脂等を用いることができる。
具体的には、自動車成形品に用いるものであれば、ポリプロピレン、ポリカーボネイト、ABS樹脂がある。ポリプロピレンは、樹脂の中でも比重が軽く、加工しやすく、引張強度、衝撃強度、圧縮強度が高く、耐候性、耐熱性にも優れている。ABSは、プラスチック素材の中でも、比較的後の表面処理がしやすく、塗装など成形後に施すことが容易な樹脂であり、耐薬品性、剛性に優れ、耐衝撃性、耐熱性、耐寒性にも強い。ポリカーボネイトは、プラスチック素材の中でも高い耐衝撃性を持ち、耐候性や耐熱性にも優れ、透明性にも長けている、又加工もしやすく、プラスチック素材の中でも比較的軽く、丈夫な素材である。
<Base material>
The base material described in the present specification is for laminating an undercoat layer to be described later, and the material is not particularly limited, but a metal molded product or a synthetic resin molded product can be used. As the resin, a thermosetting resin or a thermoplastic resin can be used.
As the thermoplastic resin, polyethylene, polypropylene, polystyrene, polyvinyl chloride, vinyl polymer, polyester, polyamide, ABS resin, polyester resin, thermoplastic elastomer, and the like can be used.
As the thermosetting resin, silicon resin, polyurethane resin, polyester resin, melanin resin, epoxy resin, phenol resin, urea resin, or the like can be used.
Specifically, there are polypropylene, polycarbonate, and ABS resin as long as they are used for automobile molded products. Polypropylene has a light specific gravity among the resins, is easy to process, has high tensile strength, impact strength, and compressive strength, and is excellent in weather resistance and heat resistance. ABS is a resin that is relatively easy to apply after surface treatment among plastic materials and is easy to apply after molding such as painting. It has excellent chemical resistance and rigidity, and is also resistant to shock, heat and cold. strong. Polycarbonate has high impact resistance among plastic materials, is excellent in weather resistance and heat resistance, is excellent in transparency, is easy to process, and is relatively light and durable among plastic materials.
<アンダーコート層>
本明細書にて述べるアンダーコート層とは、先に述べた基材上に配置されるものであり、後述する銀鏡層を配置する前の平滑面を形成すると共に、基材及び銀鏡層との密着性に優れたものを用いることが好ましい。
具体的には、フッソ樹脂塗料、ポリエステル樹脂塗料、エポキシ樹脂塗料、メラニン樹脂塗料、シリコン樹脂塗料、アクリルシリコン樹脂塗料、アクリルウレタン樹脂塗料等があるが、特に好ましいのは、アクリルシリコン樹脂塗料、アクリルウレタン樹脂塗料である。
アクリルシリコン樹脂塗料は、下地に対する付着性が高く、更に光沢保持性、保色性が高く、耐薬品性、耐油性、耐水性にも優れている。
アクリルウレタン樹脂塗料は、塗膜が柔らかく、密着性に優れ、耐久性、耐候性、耐薬品性にも優れている。
アンダーコート層の厚みは、特に制限されるものではないが、平滑面が確保しやすいことから5〜25μm程度が望ましい。
また、基材の材質によりアンダーコート層と基材の密着性を高めるためにプライマー層を介入させても良い。
<Undercoat layer>
The undercoat layer described in this specification is arranged on the above-described base material, and forms a smooth surface before placing a silver mirror layer to be described later, and the substrate and the silver mirror layer. It is preferable to use a material having excellent adhesion.
Specific examples include fluorine resin paints, polyester resin paints, epoxy resin paints, melanin resin paints, silicon resin paints, acrylic silicon resin paints, and acrylic urethane resin paints. Particularly preferred are acrylic silicon resin paints and acrylic resin paints. It is a urethane resin paint.
Acrylic silicone resin paint has high adhesion to the base, high gloss retention and color retention, and excellent chemical resistance, oil resistance and water resistance.
The acrylic urethane resin paint has a soft coating film, excellent adhesion, and excellent durability, weather resistance, and chemical resistance.
The thickness of the undercoat layer is not particularly limited, but is preferably about 5 to 25 μm because a smooth surface is easily secured.
In addition, a primer layer may be interposed in order to improve the adhesion between the undercoat layer and the substrate depending on the material of the substrate.
<銀鏡層>
本明細書にて述べる銀鏡層は、銀薄膜層を意味するものであり、金属銀を昇華付着させる蒸着法、真空容器を用いるスパッタリング法、銀薄膜を予めフィルム上に形成し転写さえる転写法、めっき法等により、形成することができる。
銀鏡層の厚みは、特に制限されるものではないが、50〜200nm程度が望ましい。50nm以上であると、透過性が少なく、銀鏡の役目を果たしやすく、200nm以下であると、銀色の変色がすくない。
<Silver mirror layer>
The silver mirror layer described in the present specification means a silver thin film layer, a vapor deposition method in which metallic silver is sublimated and deposited, a sputtering method using a vacuum vessel, a transfer method in which a silver thin film is previously formed and transferred on a film, It can be formed by a plating method or the like.
The thickness of the silver mirror layer is not particularly limited, but is preferably about 50 to 200 nm. When the thickness is 50 nm or more, the transparency is low and the role of a silver mirror is easily achieved. When the thickness is 200 nm or less, the silver color is not easily changed.
<トップコート層>
本明細書にて述べるトップコート層は、先に述べた銀鏡層を保護するものであり、銀鏡層を隠蔽しない透明性を有したクリアなもの、又は、着色されたカラークリアの樹脂塗料を用いることができ、具体的には熱硬化性樹脂を用いることができる。
具体的な熱硬化性樹脂としては、フッソ樹脂塗料、ポリエステル樹脂塗料、エポキシ樹脂塗料、メラニン樹脂塗料、シリコン樹脂塗料、アクリルシリコン樹脂塗料、アクリルウレタン樹脂塗料等を用いることができ、アクリルシリコン樹脂塗料、又は、アクリルウレタン塗料を用いることが特に好ましい。
アクリルシリコン樹脂塗料は、下地に対する付着性が高く、更に光沢保持性、保色性が高く、耐薬品性、耐油性、耐水性にも優れている。
アクリルウレタン樹脂塗料は、塗膜が柔らかく、密着性に優れ、耐久性、耐候性、耐薬品性にも優れている。
トップコート層は、必ずしも単層である必要はなく、複数層としてもよい。
トップコート層が、複数層であると、見た目に深みを増したものとなり、光沢のある質感を出しやすい。
トップコート層の厚みは、特に限定されるものではないが、20〜40μm程度が好ましい。
厚みが20μm以上であると、先に述べた銀鏡層を十分に保護することができ、40μm以下であると、経年変化によるクラック、剥がれ、密着不良等が出にくい。
<Topcoat layer>
The top coat layer described in the present specification protects the silver mirror layer described above, and uses a clear or transparent colored paint that does not hide the silver mirror layer or a colored color clear resin coating. Specifically, a thermosetting resin can be used.
Specific thermosetting resins include fluorine resin paint, polyester resin paint, epoxy resin paint, melanin resin paint, silicon resin paint, acrylic silicon resin paint, acrylic urethane resin paint, and the like. It is particularly preferable to use an acrylic urethane paint.
Acrylic silicone resin paint has high adhesion to the base, high gloss retention and color retention, and excellent chemical resistance, oil resistance and water resistance.
The acrylic urethane resin paint has a soft coating film, excellent adhesion, and excellent durability, weather resistance, and chemical resistance.
The top coat layer is not necessarily a single layer, and may be a plurality of layers.
When the top coat layer is a plurality of layers, the depth of the top coat is increased and a glossy texture is easily produced.
Although the thickness of a topcoat layer is not specifically limited, About 20-40 micrometers is preferable.
When the thickness is 20 μm or more, the above-described silver mirror layer can be sufficiently protected, and when it is 40 μm or less, cracks, peeling, poor adhesion, and the like due to secular change are difficult to occur.
<充填材>
本発明にて述べる充填材は、その材質を無機又は有機とするものであり、形状としては略球形、鱗片形、真球等、適宜選択することができる。
無機物としては、炭酸カルシウム、二酸化ケイ素(シリカ)、ケイ酸塩鉱物(タルク・マイカ)、珪酸アルミニウム(クレー)、酸化アルミニウム(アルミナ)、セラミック(酸化チタン)等であり、これらを主成分とする紛体でもよい。
有機物としては、ポリイミド、ポロテtpラフィリロエチレン(PTFE)、ナイロン、アクリル酸エステル、スチレン等を微粉砕一造粒して得られた紛体を用いることができる。
充填材は、無色でも有色でも用いることができるが、無色透明又は白濁色であることが好ましい。これは、充填材がある層の下層にある銀鏡膜を意匠として生かすため、充填材のブツブツ感が見えてしまうような有色物(有色透明を除く)でない方が望ましい。
尚、有色物を用いる場合は、充填材を含む層、又はその上に重なる層が充填材と同色系のカラークリアを用いることが好ましい。同色系であれば、黒色である充填材であってもよい。
充填材は、平均粒径が20μmよりも大きいものであり、これにより、虹色の発現を抑えることができる。平均粒径は、レーザ回折式粒度分布測定装置を用いて、粒子にレーザ光を照射し、回折・散乱光の強度分布の50%粒子径(メディアン径)を意味する。
充填材は、トップコート層中に分散されるものであり、トップコート層が複数層で構成される場合は、その中の少なくとも1層に分散される。
充填材を複数あるトップコート層の何れに分散させるかは、任意に決定することができるが、トップコート層の最外層に分散させた場合は、反射率が抑制され、落ち着いた雰囲気になると共に、充填材の感触を得ることができる。最外層以外の層へ充填材を分散させた場合は、より光沢が増すと共に、金属感のあるものとすることができる。
<Filler>
The filler described in the present invention is made of an inorganic or organic material, and the shape can be appropriately selected from a substantially spherical shape, a scale shape, a true sphere, and the like.
Examples of inorganic substances include calcium carbonate, silicon dioxide (silica), silicate minerals (talc and mica), aluminum silicate (clay), aluminum oxide (alumina), ceramic (titanium oxide), and the like as main components. It may be a powder.
As the organic material, a powder obtained by finely pulverizing and granulating polyimide, poro tp lafilylethylene (PTFE), nylon, acrylic ester, styrene, or the like can be used.
The filler may be colorless or colored, but is preferably colorless and transparent or cloudy. In order to make use of the silver mirror film in the lower layer of the layer with the filler as a design, it is desirable that the filler is not a colored object (except for colored and transparent) that makes the filler feel crisp.
In addition, when using a colored thing, it is preferable to use the color clear of the same color system as a filler in the layer containing a filler or the layer which overlaps on it. If it is the same color system, the filler which is black may be sufficient.
The filler has an average particle size larger than 20 μm, thereby suppressing the appearance of rainbow colors. The average particle diameter means a 50% particle diameter (median diameter) of the intensity distribution of the diffracted / scattered light when the particle is irradiated with laser light using a laser diffraction particle size distribution measuring apparatus.
A filler is disperse | distributed in a topcoat layer, and when a topcoat layer is comprised by multiple layers, it is disperse | distributed to at least 1 layer in it.
It can be arbitrarily determined whether the filler is dispersed in a plurality of topcoat layers. However, when the filler is dispersed in the outermost layer of the topcoat layer, the reflectance is suppressed and the atmosphere becomes calm. The feel of the filler can be obtained. When the filler is dispersed in a layer other than the outermost layer, the gloss can be increased and a metallic feeling can be obtained.
<表面粗さRz>
本明細書にて述べる表面粗さRzは、「JIS−B0601−2013」により規定されるものであり、最も高い高さと最も深い谷の深さの和を求めたものである。
<Surface roughness Rz>
The surface roughness Rz described in this specification is defined by “JIS-B0601-2013”, and is the sum of the highest height and the deepest valley depth.
以下、本発明の実施例を説明するが、本発明は以下の実施例に限定されるものではない。
<実施例1>
(アンダーコート層の形成)
縦:70mm×横:150mm×厚み:3mmの平面状ABS基材を準備し、この基材の表面をIPA(イソプロピルアルコール)を含ませたウエスで脱脂、洗浄し、油膜・汚れ・塵埃を除去した。除去した基材を乾燥させ、大橋化学工業株式会社製のMSPS用アンダーコートクリアDと、MSPS用アンダーコートシンナーNo.15と、MSPS用アンダーコート添加剤Lと、MSPS用アンダーコート硬化剤Nとを25:35:0.5:4(質量部での割合)の割合で配合、撹拌し、スプレーガンで吹きつけ、80℃に設定した乾燥炉内にて1時間乾燥し平均膜厚15μmのアンダーコート層を形成させた。
Examples of the present invention will be described below, but the present invention is not limited to the following examples.
<Example 1>
(Formation of undercoat layer)
Prepare a flat ABS substrate of length: 70 mm x width: 150 mm x thickness: 3 mm, and degrease and clean the surface of this substrate with a waste cloth containing IPA (isopropyl alcohol) to remove oil film, dirt and dust. did. The removed substrate was dried, and MSPS undercoat clear D manufactured by Ohashi Chemical Industry Co., Ltd. and MSPS undercoat thinner No. 15, MSPS undercoat additive L and MSPS undercoat curing agent N were blended in a ratio of 25: 35: 0.5: 4 (ratio by weight), stirred, and sprayed with a spray gun. Then, it was dried in a drying furnace set at 80 ° C. for 1 hour to form an undercoat layer having an average film thickness of 15 μm.
(銀鏡層の形成)
アンダーコート層を形成した基材を純水にてスプレー洗浄した後、三菱製紙株式会社製のMSPS−Sa1A(商品名)をスプレー塗布し、純水による充分なスプレー洗浄の後、三菱製紙株式会社製のMSPS−Sa2A(商品名)を塗布し、銀鏡析出の活性化処理を施した後、2頭スプレーガンにて、三菱製紙株式会社製のMSPS−Ag(商品名)とMSPS−Do(商品名)の2液を同時に塗布し、銀鏡反応による銀鏡層を形成した後、純水によるスプレー洗浄し、三菱製紙株式会社製のMSPS−R1Aを塗布し、更に純水によるスプレー洗浄を行った。次に銀鏡層の水分を除去するため、圧縮空気(エアブロー)を吹付けた後、45℃に設定した乾燥炉内で30分間乾燥させた。
(Formation of silver mirror layer)
After spray-cleaning the substrate on which the undercoat layer is formed with pure water, MSPS-Sa1A (trade name) manufactured by Mitsubishi Paper Industries Co., Ltd. is spray-coated, and after sufficient spray cleaning with pure water, Mitsubishi Paper Industries Co., Ltd. After applying MSPS-Sa2A (trade name) made by the company and activating silver mirror deposition, MSPS-Ag (trade name) and MSPS-Do made by Mitsubishi Paper Industries Co., Ltd. (product) No. 2) were simultaneously applied to form a silver mirror layer by silver mirror reaction, and then spray-washed with pure water, MSPS-R1A manufactured by Mitsubishi Paper Industries Co., Ltd. was applied, and further spray-washed with pure water. Next, in order to remove the water | moisture content of a silver mirror layer, after blowing compressed air (air blow), it was dried for 30 minutes in the drying furnace set to 45 degreeC.
(トップコートの形成)
トップコートは、銀鏡層の乾燥後の成形品の温度が室温(25℃)になったことを確認した後、後述する表1に示すように、実施例1〜12、比較例1〜10にて、各々に変化させて形成した。
(Formation of top coat)
After confirming that the temperature of the molded product after drying of the silver mirror layer became room temperature (25 ° C.), the top coat was changed to Examples 1 to 12 and Comparative Examples 1 to 10 as shown in Table 1 described later. Then, each was formed by changing.
(実施例1)
大橋化学工業株式会社製のMSPS用トップコートクリヤーMと、MSPS用トップコートシンナーP−7と、MSPS用トップコート硬化剤Wと、MSPS用色剤ブラックとを、20:20:5:0.4(質量部での割合 配合:TC−A)と、充填材a(積水化成品工業株式会社製:MBX−25H 平均粒子径25μm 略球形状)を0.2質量部配合、撹拌し、スプレーガンで吹付、80℃に設定した乾燥炉内にて、45分乾燥し平均膜厚25μmのトップコート層を形成させた。
Example 1
A top coat clear M for MSPS, a top coat thinner P-7 for MSPS, a top coat curing agent W for MSPS, and a color black for MSPS manufactured by Ohashi Chemical Co., Ltd., 20: 20: 5: 0. 4 (ratio in parts by mass: TC-A) and filler a (Sekisui Plastics Kogyo Co., Ltd .: MBX-25H, average particle size 25 μm, approximately spherical shape) are mixed in 0.2 parts by mass, stirred, and sprayed. It sprayed with the gun | gun and it dried for 45 minutes within the drying furnace set to 80 degreeC, and formed the topcoat layer with an average film thickness of 25 micrometers.
(実施例2)
充填材を充填材b(積水化成品工業株式会社製:MBX−30 平均粒子径30μm 略球形状)とした以外は実施例1同様に形成した。
(Example 2)
It was formed in the same manner as in Example 1 except that the filler was changed to filler b (manufactured by Sekisui Plastics Kogyo Co., Ltd .: MBX-30, average particle diameter 30 μm, substantially spherical shape).
(実施例3)
充填材を充填材c(積水化成品工業株式会社製:MBX−50 平均粒子径50μm 略球形状)とした以外は実施例1同様に形成した。
(Example 3)
It was formed in the same manner as in Example 1 except that the filler was changed to the filler c (manufactured by Sekisui Plastics Co., Ltd .: MBX-50, average particle diameter: 50 μm, substantially spherical shape).
(実施例4)
充填材を充填材d(丸尾カルシウム株式会社製:R−70H 平均粒子径25μm 不定形な形状)とした以外は実施例1同様に形成した。
Example 4
It was formed in the same manner as in Example 1 except that the filler was changed to filler d (manufactured by Maruo Calcium Co., Ltd .: R-70H, average particle size 25 μm, irregular shape).
(実施例5)
実施例1のTC−Aを吹付直後、大橋化学工業株式会社製のMSPS用トップコートクリヤーMと、MSPS用トップコートシンナーP−7と、MSPS用トップコート硬化剤Wを20:20:5(質量部での割合 配合:TC−B)と充填材aを0.2質量部配合、撹拌したものを別のスプレーガンにて吹付、80℃に設定した乾燥炉内にて、45分乾燥し合計平均膜厚35μmのトップコート層を形成した。
(Example 5)
Immediately after spraying TC-A of Example 1, MSPS topcoat clear M, MSPS topcoat thinner P-7 and MSPS topcoat curing agent W manufactured by Ohashi Chemical Industries, Ltd. 20: 20: 5 ( Ratio in parts by mass Formulation: TC-B) and 0.2 part by mass of filler a were mixed and sprayed with another spray gun, and dried in a drying furnace set at 80 ° C. for 45 minutes. A top coat layer having a total average film thickness of 35 μm was formed.
(実施例6)
充填材を充填材bとした以外は実施例5同様に形成した。
(Example 6)
It formed like Example 5 except having used the filler b as the filler b.
(実施例7)
充填材を充填材cとした以外は実施例5同様に形成した。
(Example 7)
It formed like Example 5 except having used the filler c as the filler.
(実施例8)
充填材を充填材dとした以外は実施例5同様に形成した。
(Example 8)
It was formed in the same manner as in Example 5 except that the filler was changed to the filler d.
(実施例9)
実施例5のTC−Bと充填材aを0.2質量部配合、撹拌し、吹付直後、実施例1のTC−Aを別のスプレーガンにて吹付、80℃に設定した乾燥炉内にて、45分乾燥し、合計平均膜厚35μmのトップコート層を形成した。
Example 9
0.2 parts by mass of TC-B and filler a of Example 5 were mixed and stirred. Immediately after spraying, TC-A of Example 1 was sprayed with another spray gun and placed in a drying furnace set at 80 ° C. And dried for 45 minutes to form a topcoat layer having a total average film thickness of 35 μm.
(実施例10)
充填材を充填材bとした以外は実施例9と同様に形成した。
(Example 10)
It formed like Example 9 except having used the filler b as the filler b.
(実施例11)
充填材を充填材cとした以外は実施例9と同様に形成した。
(Example 11)
It formed like Example 9 except having used the filler c as the filler.
(実施例12)
充填材を充填材dとした以外は実施例9と同様に形成した。
(Example 12)
It formed like Example 9 except having used the filler d as the filler d.
(比較例1)
実施例1の充填材aの配合を除いた以外は、実施例1と同様に形成した。
(Comparative Example 1)
It was formed in the same manner as in Example 1 except that the blending of the filler a in Example 1 was omitted.
(比較例2)
充填材を充填材e(積水化成品工業株式会社製:MBX−2H 平均粒子径2.5μm 略球形状)に変更した以外は実施例1と同様に形成した。
(Comparative Example 2)
It was formed in the same manner as in Example 1 except that the filler was changed to filler e (manufactured by Sekisui Plastics Co., Ltd .: MBX-2H, average particle diameter: 2.5 μm, approximately spherical shape).
(比較例3)
充填材を充填材f(積水化成品工業株式会社製:MBX−5 平均粒子径5μm 略球形状)に変更した以外は実施例1と同様に形成した。
(Comparative Example 3)
It was formed in the same manner as in Example 1 except that the filler was changed to the filler f (manufactured by Sekisui Plastics Co., Ltd .: MBX-5, average particle diameter: 5 μm, substantially spherical shape).
(比較例4)
充填材を充填材g(積水化成品工業株式会社製:MBX−12 平均粒子径12μm 略球形状)に変更した以外は実施例1と同様に形成した。
(Comparative Example 4)
It was formed in the same manner as in Example 1 except that the filler was changed to the filler g (manufactured by Sekisui Plastics Co., Ltd .: MBX-12, average particle diameter 12 μm, substantially spherical shape).
(比較例5)
充填材を充填材eに変更した以外は、実施例5と同様に形成した。
(Comparative Example 5)
It formed like Example 5 except having changed the filler into the filler e.
(比較例6)
充填材を充填材fに変更した以外は、実施例5と同様に形成した。
(Comparative Example 6)
It formed like Example 5 except having changed the filler into the filler f.
(比較例7)
充填材を充填材gに変更した以外は、実施例5と同様に形成した。
(Comparative Example 7)
It formed like Example 5 except having changed the filler into the filler g.
(比較例8)
充填材を充填材eに変更した以外は、実施例9と同様に形成した。
(Comparative Example 8)
It formed like Example 9 except having changed the filler into the filler e.
(比較例9)
充填材を充填材fに変更した以外は、実施例9と同様に形成した。
(Comparative Example 9)
It formed similarly to Example 9 except having changed the filler into the filler f.
(比較例10)
充填材を充填材gに変更した以外は、実施例9と同様に形成した。
(Comparative Example 10)
It formed like Example 9 except having changed the filler into the filler g.
(外観薄膜干渉縞評価)
実施例及び比較例の成形品について、被験者50名により、目視を行って、薄膜干渉縞(虹色)の発生の有無を確認した。
評価は、虹の発生なしと判断した人数により行い、40名以上がなしと判断すれば「◎」、30〜39名がなしと判断すれば「○」、20〜29名以下がなしと判断すれば「△」、19名以下がなしと判断すれば「×」とした。
(Appearance thin film interference fringe evaluation)
The molded products of Examples and Comparative Examples were visually observed by 50 test subjects to confirm whether thin film interference fringes (rainbow colors) were generated.
Evaluation is based on the number of people who have determined that no rainbow has occurred. If it is judged that 40 or more people are not present, “◎”, if it is judged that 30 to 39 people are absent, “○”, and 20 to 29 or less people are judged to be none. In this case, “△” was given, and if it was judged that 19 or less were none, “x” was given.
(外観異物評価)
実施例及び比較例の成形品について、被験者50名により、目視を行って、外観異物の発生の有無を確認した。
評価は、異物混在なしと判断した人数により行い、40名以上がなしと判断すれば「◎」、30〜39名がなしと判断すれば「○」、20〜29名以下がなしと判断すれば「△」、19名以下がなしと判断すれば「×」とした。
(Appearance of foreign matter)
About the molded article of an Example and a comparative example, visual observation was performed by 50 test subjects, and the presence or absence of the appearance foreign material was confirmed.
The evaluation is based on the number of people who are judged to be free of foreign matter. If it is judged that there are no more than 40 people, “◎”, if it is judged that 30 to 39 people are none, “○”, and 20 to 29 people or less are judged as none. “△”, and “x” if 19 or less were judged to be absent.
(外観輝度感評価)
実施例及び比較例の成形品について、被験者50名により、目視を行って、外観輝度感の有無を確認した。
評価は、輝度感ありと判断した人数により行い、40名以上がありと判断すれば「◎」、30〜39名がありと判断すれば「○」、20〜29名以下がありと判断すれば「△」、19名以下がありと判断すれば「×」とした。
(Appearance brightness evaluation)
The molded products of Examples and Comparative Examples were visually observed by 50 test subjects to confirm the presence or absence of appearance luminance.
The evaluation is based on the number of people judged to have a sense of brightness. If it is judged that there are 40 or more people, “◎”, if it is judged that there are 30 to 39 people, “○”, and 20 to 29 people or less are judged. “△”, and “x” if it was judged that there were 19 or less.
(外観金属質感評価)
実施例及び比較例の成形品について、被験者50名により、目視を行って、外観金属質感の有無を確認した。
評価は、金属質感ありと判断した人数により行い、40名以上がありと判断すれば「◎」、30〜39名がありと判断すれば「○」、20〜29名以下がありと判断すれば「△」、19名以下がありと判断すれば「×」とした。
(Appearance metal texture evaluation)
About the molded article of an Example and a comparative example, visual observation was performed by 50 test subjects, and the presence or absence of the external appearance metal texture was confirmed.
The evaluation is based on the number of people who judged that there is a metal texture. If it is judged that there are 40 or more people, “◎”, if it is judged that there are 30 to 39 people, “○”, and 20 to 29 people or less are judged. “△”, and “x” if it was judged that there were 19 or less.
(手触り・引っ掛かり評価)
実施例及び比較例の成形品について、被験者50名により、触診を行って、手触り・引っ掛かりの有無を確認した。
評価は、被験者に綿手袋を装着してもらい、装着した綿手袋にて成形品表面を撫でて引っ掛かりなしと判断した人数により行い、40名以上がなしと判断すれば「◎」、30〜39名がなしと判断すれば「○」、20〜29名以下がなしと判断すれば「△」、19名以下がなしと判断すれば「×」とした。
(Hand / Hook evaluation)
About the molded product of an Example and a comparative example, 50 test subjects performed palpation and confirmed the presence or absence of touch and a catch.
The evaluation was performed by the number of persons who asked the subjects to wear cotton gloves, and stroked the surface of the molded product with the worn cotton gloves and judged that there was no catch. When it was judged that there was no name, “◯” was given, and when it was judged that 20 to 29 or less were none, “Δ”, and when 19 or less were judged to be none, “X” was given.
(表面粗さ)
実施例及び比較例の成形品について、粗さ計測定試験を行い、Rz(JIS−B−0601−2013)を算出。
尚、粗さ計測定は、触針式で、被測定面に触針の先端を置き、被測定面に沿って、触針を移動し、表面の凹凸による上下する量を電気的に拡大し、測定する方法である。
(Surface roughness)
About the molded article of an Example and a comparative example, a roughness meter measurement test is done and Rz (JIS-B-0601-2013) is calculated.
The roughness meter measurement is a stylus type, and the tip of the stylus is placed on the surface to be measured, the stylus is moved along the surface to be measured, and the amount of vertical movement due to surface irregularities is electrically expanded. Is a method of measuring.
以下、評価結果を表1に示す。 The evaluation results are shown in Table 1 below.
表1の結果より、比較例1〜10では、輝度感、金属質感を有し、ひっかかりも無いが、干渉縞の虹、異物の混入の外観不良が確認された。
これに対し、実施例1〜12では、輝度感、金属質感も損なうことなく、ひっかかりも無い上、干渉縞の虹、異物の混入による外観不良もないことが確認された。
更に、表面粗さについては、実施例4の Rz 38.4、触診によるひっかかり評価「△」に対し、実施例8では、Rz 24.3、触診によるひっかかり評価「○」、実施例12では、Rz 8.42、触診によるひっかかり評価「◎」という結果になり、単層でなる実施例4に対し、2層でなる実施例8と実施例12では、輝度感、金属質感を保持したまま、ひっかかりによる不具合感も抑制出来ることが確認された。
From the results of Table 1, Comparative Examples 1 to 10 have a feeling of brightness and a metallic texture, and there is no catch, but it was confirmed that the appearance of the interference fringe rainbow and foreign matters was mixed.
On the other hand, in Examples 1 to 12, it was confirmed that the brightness and the metal texture were not impaired, there was no catch, and there was no appearance defect due to interference fringes of rainbows and foreign matters.
Further, regarding the surface roughness, Rz 38.4 in Example 4 and a crack evaluation by palpation “Δ”, whereas in Example 8, Rz 24.3 and a crack evaluation by palpation “O”, and in Example 12, Rz 8.42, the result of the evaluation of palpation by palpation was “◎”. In contrast to Example 4 consisting of a single layer, in Example 8 and Example 12 consisting of two layers, while maintaining the feeling of brightness and metal texture, It was confirmed that the feeling of malfunction due to catching could be suppressed.
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