JP6690940B2 - フレーク状ステンレス顔料、それを配合してなる樹脂組成物、および該樹脂組成物により形成された塗膜を有する塗布物 - Google Patents
フレーク状ステンレス顔料、それを配合してなる樹脂組成物、および該樹脂組成物により形成された塗膜を有する塗布物 Download PDFInfo
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- JP6690940B2 JP6690940B2 JP2015508533A JP2015508533A JP6690940B2 JP 6690940 B2 JP6690940 B2 JP 6690940B2 JP 2015508533 A JP2015508533 A JP 2015508533A JP 2015508533 A JP2015508533 A JP 2015508533A JP 6690940 B2 JP6690940 B2 JP 6690940B2
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- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
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- LRXTYHSAJDENHV-UHFFFAOYSA-H zinc phosphate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LRXTYHSAJDENHV-UHFFFAOYSA-H 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/62—Metallic pigments or fillers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/05—Metallic powder characterised by the size or surface area of the particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/06—Metallic powder characterised by the shape of the particles
- B22F1/068—Flake-like particles
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D201/00—Coating compositions based on unspecified macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
- C09D5/082—Anti-corrosive paints characterised by the anti-corrosive pigment
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
- C09D5/10—Anti-corrosive paints containing metal dust
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/66—Additives characterised by particle size
- C09D7/69—Particle size larger than 1000 nm
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/02—Making ferrous alloys by powder metallurgy
- C22C33/0257—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements
- C22C33/0278—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5%
- C22C33/0285—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5% with Cr, Co, or Ni having a minimum content higher than 5%
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/20—Particle morphology extending in two dimensions, e.g. plate-like
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/51—Particles with a specific particle size distribution
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/54—Particles characterised by their aspect ratio, i.e. the ratio of sizes in the longest to the shortest dimension
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Nanotechnology (AREA)
- Metallurgy (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Paints Or Removers (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Powder Metallurgy (AREA)
- Laminated Bodies (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Description
本発明のフレーク状ステンレス顔料は、体積累積粒度分布の90%径(D90)が55μm以下であり、目開き38μmの篩いの通過率が99重量%以上である。
通過率(重量%)={(S1−S2)/S1}×100・・・(1)
すなわち、本発明のフレーク状ステンレス顔料は、フレーク形状を有する粒子の集合体であり、その集合体のうちの90体積%以上の粒子が55μm以下の体積平均粒子径を有し、その集合体のうちの99重量%以上が目開き38μmの篩いを通過するものということができる。
上述の本発明のフレーク状ステンレス顔料は、以下の方法により製造することができる。
本発明は、上記フレーク状ステンレス顔料を配合してなる樹脂組成物にもかかわる。該樹脂組成物は、フレーク状ステンレス顔料の他に、樹脂成分と溶剤とを含むことができる。このような本発明の樹脂組成物は、上記フレーク状ステンレス顔料が配合されることにより、従来よりも高い耐食性を有する塗膜を形成することができる。樹脂組成物は、具体的には、塗料、接着剤、ライニング剤、プラスチック、FRPなどとして使用することができる。
本発明は、上記フレーク状ステンレス顔料を配合した上記樹脂組成物により形成された塗膜を有する塗布物にもかかわる。上記樹脂組成物は、上述のように、本発明のフレーク状ステンレス顔料の効果を引き継ぐことができるものであり、したがって、この樹脂組成物により形成された塗膜を基体上に有する塗布物もまた、本発明のフレーク状ステンレス顔料の効果を引き継ぐことができる。すなわち、本発明の塗布物は、高い耐食性を発揮する塗膜をその表面に有するため、たとえば、厳しい環境下においても十分に基体の劣化が抑制されることになる。
(1)塗膜の任意の断面において、塗膜の最も表面側に位置するフレーク状ステンレス顔料の基体の表面に対する傾斜角度の個数平均が、5度以下、より好ましくは3度以下である。
(2)塗膜の任意の断面の95%以上の領域において、塗膜の法線方向(厚み方向)に個数平均2個以上のフレーク状ステンレス顔料が存在する。
(3)塗膜の膜厚がフレーク状ステンレス顔料の平均厚みtの10〜500倍である。
(4)塗膜の任意の断面において、空隙率が5%以下である。
以下の製造方法に従って、フレーク状ステンレス顔料を製造した。
実施例2〜6および比較例1においては、用いるステンレス粉末、スチールボール、粉砕および変形処理時間、ならびに用いた篩いの目開きを表1に示すように変更した以外は、実施例1と同様の方法により、フレーク状ステンレス顔料を含むペーストを得た。
実施例1〜5および比較例1で得られた各ペーストについて、ペーストに含まれる固形分量(重量%)を確認した。なお、この固形分量(重量%)は、ペースト中のフレーク状ステンレス顔料の重量(%)に相当するものである。また、ペースト中のフレーク状ステンレス顔料のD50およびD90、平均厚み、アスペクト比、ならびに目開き38μmの篩いの通過率について確認した。
得られたペーストについて、次の方法により、固形分量(重量%)を算出した。
(式(1)中、W1は乾燥前のペーストの重量を示し、W2は乾燥および放冷後の残渣の重量を示す。)
2.D50およびD90
得られたペーストについて、次の方法により、ペーストに含まれるフレーク状ステンレス顔料のD50およびD90を算出した。
得られた実施例1のペーストについて、以下の手順(i)〜(vi)に従がって、ペーストに含まれるフレーク状ステンレス顔料の平均厚みを求めた。その結果を表2に「厚み」として示す。
S=S0×0.5/W・・・(2)。
t=10000/S×ρ・・・(3)
なお、上記式(3)においてρはステンレスの密度であってその値は7.8となる。
実施例1〜6および比較例1で得られた各ペーストにおいて、ペーストに含まれるフレーク状ステンレス顔料のD50(μm)をその厚みt(μm)で除した値(D50/t)をアスペクト比とした。算出した結果を表2に示す。
得られたペーストについて、湿式篩い法により、目開き38μmの篩いの通過率(重量%)を算出した。具体的には、まず、実施例1〜6および比較例1で得られた各ペースト30gを100mlのビーカー内に移し、これにミネラルスピリット100mlを徐々に加えて、ペーストを分散させた試料を調製した。次に、目開き38μmの篩い(内径200mm、深さ50mm)を回収容器(容器1)の上に固定し、この篩いの網目上に調製した試料を流し込んだ。また、ビーカー内に残った試料を少量のミネラルスピリットで洗浄し、この洗浄液も篩いの網目上に流し込んだ。
(式(4)中、S1は湿式篩いによる篩い分けを行う前のフレーク状ステンレス顔料の重量を示し、S2は該篩い分けを行った後に篩いに残留したフレーク状ステンレス顔料の重量を示す)。
実施例5および比較例1の各ペーストを用いて、次の方法により塗膜を形成し、その耐食性を確認した。
実施例1〜4および6、ならびに比較例1の各ペーストを用いて、<耐食性1>と同様の方法により塗膜を作製し、該塗膜にX形状の亀裂を形成した。そして、この塗膜に対して塩水噴霧試験(JIS Z 2371:2000に基づく)を3000時間行い、その変化を確認した。
実施例1〜6および比較例1の各ペーストを用いて、次の方法により塗膜を形成し、その表面粗さを確認した。
Claims (5)
- 重防食塗料用のフレーク状ステンレス顔料であって、
体積累積粒度分布の90%径が36.0μm以下であり、
目開き38μmの篩いの通過率が99重量%以上であり、
平均厚みtが0.03μm以上0.33μm以下であり、
平均粒子径D 50 が3μm以上20μm以下である、フレーク状ステンレス顔料。 - 平均厚みtに対する平均粒子径D50の比である平均アスペクト比(D50/t)が5以上100以下である、請求項1に記載のフレーク状ステンレス顔料。
- 平均厚みtに対する平均粒子径D50の比である平均アスペクト比(D50/t)が10以上100以下である、請求項1に記載のフレーク状ステンレス顔料。
- 請求項1から3のいずれか1項に記載のフレーク状ステンレス顔料を配合してなる、樹脂組成物。
- 請求項4に記載の樹脂組成物により形成された塗膜を有する塗布物。
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JP6945030B1 (ja) * | 2020-03-30 | 2021-10-06 | 大日本塗料株式会社 | 塗料組成物 |
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US3954482A (en) * | 1973-05-24 | 1976-05-04 | High Performance Coatings, Inc. | Corrosion resistant coating material and method |
JPS60252668A (ja) * | 1984-05-30 | 1985-12-13 | Hitachi Metals Ltd | 耐食性塗料用非晶質合金粉末 |
JPS63142072A (ja) * | 1986-12-03 | 1988-06-14 | Nippon Steel Chem Co Ltd | 塗装金属板 |
JP2589554B2 (ja) * | 1988-09-29 | 1997-03-12 | 健 増本 | 金属粉末の製造法 |
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JPH09208867A (ja) * | 1996-02-01 | 1997-08-12 | Toyo Alum Kk | 塗料組成物および塗膜形成方法 |
US6063511A (en) * | 1996-04-24 | 2000-05-16 | Texas Instruments Incorporated | Low cost thin film magnetodielectric material |
US6103361A (en) * | 1997-09-08 | 2000-08-15 | E. I. Du Pont De Nemours And Company | Patterned release finish |
CN1177809C (zh) * | 1998-08-12 | 2004-12-01 | 味之素株式会社 | 新型聚氨基酸衍生物 |
JP3504872B2 (ja) | 1998-11-20 | 2004-03-08 | 東西化学株式会社 | 塗膜、ならびに塗膜の形成方法 |
JP2002273339A (ja) | 2001-03-22 | 2002-09-24 | Yamamoto Yogyo Kako Kk | 屋根の塗装方法および屋根材 |
JP2004269647A (ja) | 2003-03-07 | 2004-09-30 | Fukuda Metal Foil & Powder Co Ltd | 防錆塗料用メタリック顔料及びその製造方法 |
DE202004018390U1 (de) | 2004-11-27 | 2005-02-17 | Degussa Ag | Thermoplastische Kunststoffpulverformulierung für Beschichtungen mit einem metallischen, insbesondere edelstahlähnlichen Farbeindruck |
FR2879613B1 (fr) * | 2004-12-22 | 2007-01-26 | Toyal Europ Sa Sa | Composition de pigments metalliques |
BRPI0520463A2 (pt) * | 2005-08-12 | 2009-09-29 | Dunwilco 1198 Ltd | processo de jateamento, processo para preparar particulados de metal achatados, pigmento de metal, revestimento superficial, e, aparelho para produzir flocos de metais |
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