JP2001214129A - Uneven-pattern-forming powder coating composition - Google Patents
Uneven-pattern-forming powder coating compositionInfo
- Publication number
- JP2001214129A JP2001214129A JP2000022305A JP2000022305A JP2001214129A JP 2001214129 A JP2001214129 A JP 2001214129A JP 2000022305 A JP2000022305 A JP 2000022305A JP 2000022305 A JP2000022305 A JP 2000022305A JP 2001214129 A JP2001214129 A JP 2001214129A
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- powder coating
- pattern
- coating composition
- uneven
- coating
- Prior art date
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Abstract
Description
【０００１】[0001]
【発明の属する技術分野】均一かつ緻密で微細な模様
で、意匠性の高いサテン調の凹凸模様を有する塗膜を形
成する粉体塗料組成物に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a powder coating composition capable of forming a coating film having a uniform, dense, fine pattern and a high-design satin-like uneven pattern.
【０００２】[0002]
【従来の技術】粉体塗料の用途開発が進歩する中で被塗
物への装飾表現の多様化に伴い、意匠性を有する粉体塗
料に対する要求が高まっている。このような状況の中
で、素材の基調を変化させる、例えばマット調、ビロー
ド調、スエード調、ちじみ調、御影石調、ハンマートー
ン仕上げ等の凹凸模様を形成させて意匠性を付与する粉
体塗料が提供されている。2. Description of the Related Art As the development of uses of powder coatings has progressed, demands for powder coatings having a design property have been increasing along with the diversification of decorative expressions on objects to be coated. Under these circumstances, changing the base tone of the material, for example, a matte, velvet, suede, shiny, granite, hammer tone finish, etc. Paint is provided.
【０００３】このような凹凸模様を形成させる方法とし
ては、例えば、シリコーン化合物等の添加剤を利用する
ことにより、塗膜表面に独特のハジキ状の凹凸模様を形
成し、意匠性を付与する方法がある。As a method of forming such a concavo-convex pattern, for example, a method of forming a unique repelling-like concavo-convex pattern on the surface of a coating film by using an additive such as a silicone compound to impart a design property. There is.
【０００４】また、別の方法として、粉体塗料中に特性
の異なる樹脂を混合することにより凹凸模様を形成させ
る方法が挙げられるが、この方法は、塗装条件や回収粉
利用時において、得られる塗膜の表現模様が変化する欠
点を有している。As another method, there is a method of forming a concavo-convex pattern by mixing resins having different properties into a powder coating material. This method can be obtained under coating conditions or when using recovered powder. There is a disadvantage that the expression pattern of the coating film changes.
【０００５】さらに別の方法として、粉体塗料中に樹脂
ビーズ等を混合することにより凹凸模様を形成させる方
法が挙げられるが、この方法も、塗装条件（膜厚）や回
収粉利用時において、得られる塗膜の表現模様が変化す
る欠点を有している。As another method, there is a method of forming a concavo-convex pattern by mixing resin beads or the like into a powder coating material. This method is also required in applying coating conditions (film thickness) and using recovered powder. There is a disadvantage that the expression pattern of the obtained coating film changes.
【０００６】[0006]
【発明が解決しようとする課題】これらの方法により得
られた意匠性塗膜は、被塗物表面に連続した不規則な凹
凸模様の形成による意匠性表現に限られており、異なる
トーンの模様は得られていない。ところが、ＯＡ機器、
計測機器などを中心にデザイン指向が高まり、ソフトな
潤いのある意匠性の高い塗膜が求められている。The design coating films obtained by these methods are limited to the design expression by forming a continuous irregular uneven pattern on the surface of the object to be coated. Has not been obtained. However, OA equipment,
Design orientation is increasing, especially for measuring instruments, and there is a demand for soft, moist, and highly designable coating films.
【０００７】本発明の目的は、特定の基体樹脂／硬化剤
系に限定されずに任意の公知の粉体塗料に適用可能で、
製造工程を何ら変更することなく容易且つ安価に得るこ
とができ、上記のような要望に応えるため、均一かつ緻
密で微細な模様で表現される、意匠性の高いサテン調の
凹凸模様塗膜を形成する粉体塗料を提供することにあ
る。The object of the present invention is not limited to a particular base resin / hardener system, but is applicable to any known powder coating,
It can be obtained easily and inexpensively without any change in the manufacturing process, and in order to meet the above-mentioned demands, a uniform design, a satin-like uneven pattern coating expressed in a fine, fine pattern, with high designability. It is to provide a powder coating to be formed.
【０００８】[0008]
【課題を解決するための手段】本発明者らは、上記課題
を解決するために鋭意研究を行った結果、公知の樹脂及
び硬化剤系を含む粉体塗料に、所定量のオレフィン系添
加剤、好ましくはポリエチレン／ポリフルオロエチレン
系添加剤を加えることにより、均一かつ緻密で微細な模
様で、意匠性の高いサテン調の凹凸模様を有する塗膜を
形成できることを見いだし、本発明を完成した。Means for Solving the Problems The inventors of the present invention have conducted intensive studies to solve the above-mentioned problems, and as a result, a predetermined amount of an olefin-based additive was added to a powder coating containing a known resin and a curing agent system. By adding a polyethylene / polyfluoroethylene additive, preferably, it was found that a coating film having a uniform, dense and fine pattern and having a satin-like uneven pattern with a high design property could be formed, and the present invention was completed.
【０００９】即ち、本発明の凹凸模様形成性粉体塗料組
成物は、常温で固体の熱硬化性樹脂を含有する熱硬化性
粉体塗料１００重量部に対して、オレフィン系添加剤を
０．０５〜５．０重量部配合することを特徴とする。That is, the uneven pattern-forming powder coating composition of the present invention contains an olefin-based additive in an amount of 0.1 part by weight based on 100 parts by weight of the thermosetting powder coating containing a thermosetting resin which is solid at normal temperature. It is characterized in that it is blended in an amount of 0.5 to 5.0 parts by weight.
【００１０】また、オレフィン系添加剤が、ポリエチレ
ン／ポリフルオロエチレン系添加剤であることが好まし
い。Preferably, the olefin-based additive is a polyethylene / polyfluoroethylene-based additive.
【００１１】[0011]
【発明の実施の形態】以下、本発明について詳細に説明
する。BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, the present invention will be described in detail.
【００１２】本発明に用いる常温で固体の熱硬化性樹脂
を含有する熱硬化性粉体塗料としては、従来公知のポリ
エステル樹脂系、エポキシ樹脂系、アクリル樹脂系、あ
るいはエポキシ・ポリエステル樹脂系の粉体塗料組成物
が用いられる。これらの粉体塗料組成物は、常温で固体
の熱硬化性樹脂及び必要により添加された他の成分を含
むものであり、従来より熱硬化性粉体塗料として使用さ
れていた成分をそのまま用いることができる。As the thermosetting powder coating containing a thermosetting resin which is solid at ordinary temperature used in the present invention, a conventionally known polyester resin-based, epoxy resin-based, acrylic resin-based or epoxy-polyester resin-based powder can be used. A body coating composition is used. These powder coating compositions contain a thermosetting resin that is solid at room temperature and other components added as necessary, and the components that have been conventionally used as thermosetting powder coatings may be used as they are. Can be.
【００１３】本発明に用いる常温で固体の熱硬化性樹脂
としては、特に制限はなく、従来の熱硬化性粉体塗料に
塗膜形成成分として使用されていた自己架橋型、硬化剤
既含有型、硬化剤後添加型等の公知の熱硬化性樹脂を用
いることができる。このような熱硬化性樹脂の例として
は、主剤としてポリエステル系、アクリル系、フッ素
系、エポキシ系などの常温で固体の熱硬化性樹脂が好適
に用いられ、また硬化剤としてメラミン、ブロックイソ
シアネート、多塩基酸・アミド、グリシジル化合物、及
びそれらの重合体などが好適に用いられる。The thermosetting resin which is solid at room temperature used in the present invention is not particularly limited, and is a self-crosslinking type or a type containing a curing agent which has been used as a coating film forming component in conventional thermosetting powder coatings. A known thermosetting resin such as a post-curing agent addition type can be used. Examples of such a thermosetting resin, polyester-based, acrylic-based, fluorine-based, epoxy-based solid thermosetting resin is preferably used as a main agent, and melamine, block isocyanate, and the like as a curing agent. Polybasic acids / amides, glycidyl compounds, and polymers thereof are preferably used.
【００１４】また、本発明に用いる熱硬化性粉体塗料に
は、他の成分として、顔料を添加することができる。Further, a pigment can be added as another component to the thermosetting powder coating used in the present invention.
【００１５】該熱硬化性粉体塗料に用いる顔料の例とし
ては、二酸化チタン、弁柄、カーボンブラック、酸化
鉄、フタロシアニンブルー、フタロシアニングリーン、
キナクリドン顔料、アゾ系顔料、イソインドリノン系顔
料などの着色顔料、シリカ、タルク、沈降性硫酸バリウ
ム、炭酸カルシウムなどの体質顔料がある。他の添加剤
としては、レベリング剤、帯電防止剤、紫外線吸収剤、
垂れ防止剤、表面調整剤、架橋促進触媒、脱泡剤などの
公知の添加剤を用いることができる。Examples of pigments used in the thermosetting powder coating include titanium dioxide, red iron oxide, carbon black, iron oxide, phthalocyanine blue, phthalocyanine green,
There are coloring pigments such as quinacridone pigments, azo pigments, and isoindolinone pigments, and extenders such as silica, talc, precipitated barium sulfate, and calcium carbonate. Other additives include leveling agents, antistatic agents, UV absorbers,
Known additives such as an anti-dripping agent, a surface conditioner, a catalyst for promoting crosslinking, and a defoaming agent can be used.
【００１６】本発明に用いるオレフィン系添加剤として
は、ポリエチレン／ポリフルオロエチレン系添加剤が好
ましい。As the olefin additive used in the present invention, a polyethylene / polyfluoroethylene additive is preferable.
【００１７】ポリエチレン／ポリフルオロエチレン系添
加剤の例としては、Ｆｌｕｏｒｏｓｌｉｐ２２５ 融点
１０５〜３２０℃ Ｄ50＝９μｍ（Ｓｈａｍｒｏｃｋ社
製）、Ｆｌｕｏｒｏｓｌｉｐ４２１ 融点１１２〜３２
０℃ Ｄ50＝６μｍ（Ｓｈａｍｒｏｃｋ社製）、Ｆｌｕ
ｏｒｏｓｌｉｐ５１１ 融点１２５〜３２０℃ Ｄ50＝
６μｍ（Ｓｈａｍｒｏｃｋ社製）などが挙げられるが、
これらに限られず、この他のポリエチレン／ポリフルオ
ロエチレン系も好ましく使用できる。Examples of polyethylene / polyfluoroethylene-based additives include Fluoroslip 225, melting point 105-320 ° C., D 50 = 9 μm (manufactured by Shamrock), Fluoroslip 421, melting point 112-32.
0 ° C. D 50 = 6 μm (manufactured by Shamrock), Flu
oroslip 511 melting point 125-320 ° C. D 50 =
6 μm (manufactured by Shamrock) and the like,
The invention is not limited thereto, and other polyethylene / polyfluoroethylene systems can also be preferably used.
【００１８】したがって、本発明の凹凸模様形成性粉体
塗料組成物は、熱硬化性粉体塗料１００重量部に対し
て、オレフィン系添加剤を０．０５〜５重量部、好まし
くは０．５〜３重量部配合し、メルトブレンドし、得ら
れた塊を粉末化した後、分級して製造する。このように
配合量を制限するのは、０．０５未満では本発明の効果
が得られず、５重量部を越えても模様に変化はなく、か
えって塗膜性能に悪影響を及ぼすからである。また、該
粉体塗料の平均粒径は、好ましくは１０〜６０μｍ、よ
り好ましくは１５〜４５μｍである。Therefore, the uneven pattern-forming powder coating composition of the present invention contains 0.05 to 5 parts by weight, preferably 0.5 part by weight of an olefin-based additive with respect to 100 parts by weight of the thermosetting powder coating. ３3 parts by weight are blended, melt-blended, and the resulting mass is pulverized and then classified. The reason for limiting the blending amount in this manner is that if the amount is less than 0.05, the effects of the present invention cannot be obtained, and if the amount exceeds 5 parts by weight, there is no change in the pattern, and the coating film performance is adversely affected. The average particle size of the powder coating is preferably 10 to 60 μm, more preferably 15 to 45 μm.
【００１９】[0019]
【実施例】以下、本発明の実施例によりさらに詳細に説
明するが、本発明はこれら実施例によって何ら制限され
るものではない。EXAMPLES The present invention will be described in more detail with reference to the following Examples, which by no means limit the present invention.
【００２０】（実施例１〜７及び比較例１〜７）表１及
び表２に示した組成の混合物を２軸ニーダーを用いて溶
融混練し、得られた混合物を冷却、固化した後、粉砕
し、１８０メッシュの金網で分離して粉体塗料を得た。
得られた粉体塗料を燐酸亜鉛処理板上に膜厚が５０〜６
０μｍになるように静電塗装した後、１８０℃×２０分
間焼付を行い、その物性評価を行った。結果を表１及び
２に示す。なお、表中の配合量は重量部である。(Examples 1 to 7 and Comparative Examples 1 to 7) Mixtures having the compositions shown in Tables 1 and 2 were melt-kneaded using a biaxial kneader, and the resulting mixture was cooled and solidified, and then pulverized. Then, the mixture was separated by a 180-mesh wire net to obtain a powder coating.
The obtained powder coating is coated on a zinc phosphate treated plate with a thickness of 50 to 6
After electrostatic coating to 0 μm, baking was performed at 180 ° C. for 20 minutes, and the physical properties were evaluated. The results are shown in Tables 1 and 2. In addition, the compounding quantity in a table | surface is a weight part.
【００２１】[0021]
【表１】 [Table 1]
【００２２】[0022]
【表２】 [Table 2]
【００２３】注１）商品名：日本ユピカ社製ポリエステ
ル樹脂 水酸基価３４ｍｇＫＯＨ／ｇ 軟化点１１５℃ 注２）商品名：大日本インキ社製ポリエステル樹脂 水
酸基価３０ｍｇＫＯＨ／ｇ Ｔｇ１１８℃ 注３）商品名：日本エステル社製ポリエステル樹脂 水
酸基価３８ｍｇＫＯＨ／ｇ Ｔｇ５８℃ 注４）商品名：日本ユピカ社製ポリエステル樹脂 酸価
５３ｍｇＫＯＨ／ｇ軟化点１２１℃ 注５）商品名：旭チバ社製エポキシ樹脂 エポキシ当量
７６０ｇ／ｅｑ 軟化点９７℃ 注６）商品名：三井化学社製アクリル樹脂 エポキシ当
量４７５ｇ／ｅｑ 注７）商品名：ヒュルスジャパン社製 イソホロンジイ
ソシアネートのカプロラクタム付加物 ＮＣＯ％約１５
％ 軟化点８５℃ 注８）商品名：宇部興産社製 １，１０−デカンジカル
ボン酸 注９）商品名：日本ヒドラジド工業社製 アジピン酸ジ
ヒドラジド 注１０）商品名：共栄社化学工業社製 表面調整剤 注１１）商品名：和光純薬工業社製 発泡防止剤 注１２）クラリアントジャパン社製商品名；Ｈｏｅ−Ｗ
ａｘ ＰＥ８１０ 軟化点１０８℃ 密度０．９３ｇ／
ｃｍ3 注１３）クラリアントジャパン社製商品名；Ｈｏｅ−Ｗ
ａｘ ＰＰ２３０ 軟化点１６０℃ 密度０．８９ｇ／
ｃｍ3 注１４）Ｓｈａｍｒｏｃｋ社製商品名；Ｆ４００ ＰＴ
ＦＥ 融点３２０℃ 注１５）ＢＹＫ社製商品名；セラフラワー９６９ ＰＥ
／ＰＴＦＥ 融点１２５℃Note 1) Brand name: Polyester resin manufactured by Nippon Yupika Co., Ltd. Hydroxyl value 34 mg KOH / g Softening point 115 ° C Note 2) Brand name: Dainippon Ink Co., Ltd. polyester resin hydroxyl value 30 mg KOH / g Tg 118 ° C Note 3) Brand name: Polyester resin manufactured by Nippon Ester Co., Ltd. Hydroxyl value 38 mg KOH / g Tg 58 ° C Note 4) Brand name: Polyester resin manufactured by Nippon Yupika Co., Ltd. Acid value 53 mg KOH / g Softening point 121 ° C Note 5) Brand name: Epoxy resin manufactured by Asahi Chiba Co., Ltd. Epoxy equivalent 760 g / eq Softening point 97 ° C Note 6) Trade name: Acrylic resin manufactured by Mitsui Chemicals Co., Ltd. Epoxy equivalent 475 g / eq Note 7) Trade name: Caprolactam adduct of isophorone diisocyanate manufactured by Huls Japan Approx.
% Softening point 85 ° C Note 8) Product name: 1,10-decanedicarboxylic acid manufactured by Ube Industries, Ltd. Note 9) Product name: Nippon Hydrazide Industry Co., Ltd. Adipate dihydrazide Note 10) Product name: Kyoeisha Chemical Co., Ltd. Surface conditioner Note 11) Trade name: Foaming inhibitor manufactured by Wako Pure Chemical Industries, Ltd. Note 12) Brand name: Hoe-W manufactured by Clariant Japan
ax PE810 Softening point 108 ° C Density 0.93g /
cm 3 Note 13) Product name, manufactured by Clariant Japan; Hoe-W
ax PP230 Softening point 160 ° C Density 0.89 g /
cm 3 Note 14) Product name, manufactured by Shamrock; F400 PT
FE Melting point 320 ° C Note 15) BYK company name; Seraflower 969 PE
/ PTFE melting point 125 ° C
【００２４】１．光沢値：ＪＩＳ Ｋ−５４００ ７．
６ に準じて入射角と受光角が６０度のときの値を示し
た。1. 6. Gloss value: JIS K-5400
6, the values when the incident angle and the light receiving angle are 60 degrees are shown.
【００２５】２．模様調：肉眼観察により次の基準で示
した。2. Pattern tone: It was indicated by the following criteria by visual observation.
【００２６】良好；均一かつ緻密で微細な丸みを帯びた
突起状の模様を有する意匠性塗膜が形成されているこ
と。Good: A design coating film having a uniform, dense, fine, rounded, protruding pattern is formed.
【００２７】不良；上記以外の場合。Poor; other than the above.
【００２８】３．鉛筆硬度：ＪＩＳ Ｋ−５４００
８．４．２ 手書き法に準じて行った。3. Pencil hardness: JIS K-5400
8.4.2 Performed according to the handwriting method.
【００２９】４．耐衝撃性：ＪＩＳ Ｋ−５４００
８．３．２ デュポン法に準じて行った。4. Impact resistance: JIS K-5400
8.3.2 Performed according to the DuPont method.
【００３０】５．エリクセン値：ＪＩＳ Ｋ−５４００
８．２．２ 破断距離法に準じて行った。5. Erichsen value: JIS K-5400
It was carried out according to 8.2.2 Break distance method.
【００３１】６．耐塩水噴霧試験：ＪＩＳ Ｋ−５４０
０ ８．１ に準じて、塗膜表面にクロスカットを行っ
た後３００時間連続で試験を行った。剥離試験は、カッ
ト面上でテープ剥離を行い、カット中心線から剥離した
幅の最大値を示した。6. Salt spray test: JIS K-540
The test was performed continuously for 300 hours after cross-cutting the coating film surface according to 0 8.1. In the peel test, the tape was peeled on the cut surface, and the maximum value of the width peeled from the cut center line was shown.
【００３２】表１及び表２の結果から、本発明の粉体塗
料である実施例１〜７は、いずれも目的とする、均一か
つ緻密で微細な模様で、意匠性の高いサテン調の凹凸模
様を有する塗膜を形成した。From the results in Tables 1 and 2, it can be seen that the powder coatings of Examples 1 to 7 of the present invention are intended to have a uniform, dense, fine pattern and a satin-like unevenness with high designability. A patterned coating was formed.
【００３３】特定のオレフィン系ＷＡＸを添加していな
い比較例１は、通常の艶消しの塗膜になり、比較例２
は、通常の光沢のある塗膜になり、比較例３は、目的と
しないザラザラとした塗面となった。特定のポリオレフ
ィン系ＷＡＸを過剰に添加した比較例４は、模様にはな
るが凹凸の間隔が大きい、比較例５は、通常の艶消しの
塗膜になり、比較例６は、通常の光沢のある塗膜にな
り、比較例７は、目的としないザラザラとした塗面とな
った。Comparative Example 1 to which no specific olefin-based WAX was added was a normal matte coating film.
Was a normal glossy coating film, and Comparative Example 3 was an unintended rough coating surface. Comparative Example 4, in which a specific polyolefin-based WAX was excessively added, formed a pattern but had a large gap between irregularities. Comparative Example 5, a normal matte coating film, and Comparative Example 6, a normal glossy coating film. A coating film was obtained, and Comparative Example 7 was a rough coating surface which was not intended.
【００３４】[0034]
【発明の効果】本発明の粉体塗料組成物によれば、特定
のオレフィン系添加剤を特定量配合することにより、均
一かつ緻密で微細な模様で、意匠性の高いサテン調の凹
凸模様を有する塗膜を形成することができる。According to the powder coating composition of the present invention, by mixing a specific amount of a specific olefinic additive, a uniform, dense, fine pattern and a satin-like uneven pattern having a high design property can be obtained. A coating film having the same.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 池田 俊和 岐阜県可児市愛岐ヶ丘５−45 Ｆターム(参考） 4J038 CB022 CD092 CG141 DB001 DB471 DD001 KA08 MA02 NA01 PA19 ────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Toshikazu Ikeda 5-45 Aikigaoka, Kani-shi, Gifu F-term (reference) 4J038 CB022 CD092 CG141 DB001 DB471 DD001 KA08 MA02 NA01 PA19
Claims (2)
硬化性粉体塗料１００重量部に対して、オレフィン系添
加剤を０．０５〜５．０重量部配合することを特徴とす
る凹凸模様形成性粉体塗料組成物。An olefin-based additive is compounded in an amount of 0.05 to 5.0 parts by weight based on 100 parts by weight of a thermosetting powder coating containing a thermosetting resin which is solid at ordinary temperature. An uneven pattern-forming powder coating composition.
ポリフルオロエチレン系添加剤である請求項１に記載の
凹凸模様形成性粉体塗料組成物。2. The method according to claim 1, wherein the olefin-based additive is polyethylene /
The uneven pattern-forming powder coating composition according to claim 1, which is a polyfluoroethylene-based additive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000022305A JP2001214129A (en) | 2000-01-31 | 2000-01-31 | Uneven-pattern-forming powder coating composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000022305A JP2001214129A (en) | 2000-01-31 | 2000-01-31 | Uneven-pattern-forming powder coating composition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2001214129A true JP2001214129A (en) | 2001-08-07 |
Family
ID=18548626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000022305A Pending JP2001214129A (en) | 2000-01-31 | 2000-01-31 | Uneven-pattern-forming powder coating composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2001214129A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007091802A (en) * | 2005-09-27 | 2007-04-12 | Dainippon Toryo Co Ltd | Uneven pattern-forming powder coating composition |
| CN103773127A (en) * | 2014-01-15 | 2014-05-07 | 芜湖市宝艺游乐科技设备有限公司 | Lusterless radiating coating |
-
2000
- 2000-01-31 JP JP2000022305A patent/JP2001214129A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007091802A (en) * | 2005-09-27 | 2007-04-12 | Dainippon Toryo Co Ltd | Uneven pattern-forming powder coating composition |
| CN103773127A (en) * | 2014-01-15 | 2014-05-07 | 芜湖市宝艺游乐科技设备有限公司 | Lusterless radiating coating |
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