JP2017518889A - 研磨粒子、及びこれを含む研磨物品 - Google Patents
研磨粒子、及びこれを含む研磨物品 Download PDFInfo
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- JP2017518889A JP2017518889A JP2016563800A JP2016563800A JP2017518889A JP 2017518889 A JP2017518889 A JP 2017518889A JP 2016563800 A JP2016563800 A JP 2016563800A JP 2016563800 A JP2016563800 A JP 2016563800A JP 2017518889 A JP2017518889 A JP 2017518889A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/02—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
- B24D3/04—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic
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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
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/14—Anti-slip materials; Abrasives
- C09K3/1409—Abrasive particles per se
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D11/00—Constructional features of flexible abrasive materials; Special features in the manufacture of such materials
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/30—Particle morphology extending in three dimensions
Abstract
Description
外辺部を有する基部面と、
上記外辺部に当接する連続する複数の側壁であって、上記連続する複数の側壁のそれぞれが上記外辺部に当接し、集合的に上記連続する複数の側壁は上記外辺部全体に当接し、上記連続する複数の側壁の隣接する対は、それぞれの角縁部に沿って互いに当接している、連続する複数の側壁と、
連続する切子面を含む多切子面であって、上記多切子面は上記連続する複数の側壁により上記基部面から離間しており、少なくとも1つのV字溝は、複数の上記角縁部のうちの第1の角縁部から多切子面を横切り、上記角縁部のうちの第1の角縁部に接しない連続する複数の側壁のうちの1つまで延びる、多切子面と、
により境界付けられている、セラミック形成粒子であって、
全面積に基づいて、多切子面の10%未満が上記基部面に平行である、
セラミック成形研磨粒子を提供する。
第1の実施形態において、本開示は、
外辺部を有する基部面と、
上記外辺部に当接する連続する複数の側壁であって、上記連続する複数の側壁のそれぞれが上記外辺部に当接し、集合的に上記連続する複数の側壁は上記外辺部全体に当接し、上記連続する複数の側壁の隣接する対は、それぞれの角縁部に沿って互いに当接している、連続する複数の側壁と、
連続する複数の切子面を含む多切子面であって、上記多切子面は上記連続する複数の側壁により上記基部面から離間しており、少なくとも1つのV字溝は、複数の上記角縁部のうちの第1の角縁部から多切子面を横切り、複数の上記角縁部のうちの第1の角縁部に接しない連続する複数の側壁の1つまで延びる、多切子面と、
により境界付けられている、セラミック成形研磨粒子であって、
全面積に基づいて、上記多切子面の10%未満が上記基部面に平行である、セラミック成形研磨粒子を提供する。
上記裏材上に、少なくとも部分的に配置されたメイク層と、
上記メイク層上に少なくとも部分的に配置されたサイズ層と
を更に含む、第16の実施形態による被覆された研磨物品を提供する。
[実施例]
CSAP1の調製
以下の配合を用いて、ベーマイトゾルゲルを調製することにより、CSAP1の成形研磨粒子を作製した:DISPERAL酸化アルミニウム一水和物粉末(Sasol North America,Houston,Texasから、1600重量部)を、水(2400重量部)及び70%の含水硝酸(72重量部のHNO3)を含有する溶液を11分間、高剪断混合することにより分散させた。結果として生じるゾルゲルは、少なくとも1時間置いてから塗布した。ゾルゲルは、28ミル(0.71mm)の深さ及び各辺110ミル(2.78mm)の正三角形の成形型のキャビティを有する生産工具に押し入れた。成形型の、側壁と底部間の角度は98°であった。離型剤(メタノール中の1%ピーナッツオイル)を使用して、生産工具に塗布されるピーナッツオイル約0.5mg/in2(0.08mg/cm2)を生産工具に被覆した。生産工具のシートを空気対流炉に45℃で5分間配置することにより、余剰メタノールを除去した。生産工具の開口部が完全に満たされるように、ゾルゲルをパテナイフでキャビティに押し入れた。ゾルゲルで被覆された生産工具を45℃の空気対流炉に少なくとも45分間配置し、乾燥させた。超音波ホーンを通過させることにより、前駆体成形研磨粒子を生産工具から取り出した。前駆体成形研磨粒子を約650℃でか焼し、その後1.2%のMgO、1.2%のY2O3、及び2.4%のLa2O3(酸化物として報告)の混合硝酸溶液で飽和させた。飽和前駆体成形研磨粒子を乾燥させた後、粒子を再び650℃でか焼し、約1400℃で焼結した。か焼及び焼結工程は共に、ロータリーチューブキルンを用いて実施した。得られるセラミック成形研磨粒子をキルンから出して室温空気中に移し、ここで粒子を金属容器に収集して室温まで冷却させた。
生産工具のキャビティが、図1に示す三角形プリズムの形質を有するセラミック成形研磨粒子をもたらしたことを除いて、CSAP1と同様にCSAP2を調製した。ここで、3倍の回転対称軸を有する、セラミック成形研磨粒子のV溝は0.249mmの名目深さを有し、各側長さは2.189mmの名目長さを有し、名目の粒子厚さは0.794mmであった。
比較例A
比較例Aの研磨ディスクは、0.83mm(33ミル)の厚さを有するバルカナイズドファイバー裏材(DYNOS GmbH,Troisdorf,Germanyから、DYNOS VULCANIZED FIBREとして入手)の、7インチのディスク((17.8cm)直径及び7/8インチ(2.2cm)直径のアーバーホール)を、レゾールフェノール樹脂49.15重量部、充填剤40.56重量部、界面活性剤1 0.1部、及び水10.19重量部からなる、メイク被覆組成物3.5グラム/ディスク(g/ディスク)で被覆することにより調製した。次いで、ディスクを研磨粒子CSAP1 15.0g/ディスクで、その後、レゾールフェノール樹脂29.42重量部、研削助剤1 50.65重量部、界面活性剤1 1.81重量部、及び水18.12重量部からなるサイズ被覆組成物13.0g/ディスクで、静電被覆した。次いで、ディスクを90℃で90分間加熱した。次いで、部分硬化したディスクを、エポキシ樹脂30.96重量部、研削助剤2 56.34重量部、界面活性剤2 0.78部、硬化剤0.36部、消泡剤0.04部、及び水11.52重量部からなるスーパーサイズ被膜10gで更に被覆した。その後、10時間102℃で硬化させ、得られた研磨ディスクを曲げた。
スーパーサイズ被膜を貼り付けないことを除いて、比較例Aのものと同一の、比較例Bの研磨ディスクを調製した。
[実施例]
研磨粒子CSAP1を研磨粒子CSAP2で置き換えたことを除いて比較例Bのものと同一の、実施例1の研磨ディスクを調製した。
以下の手順を使用して、実施例1、並びに比較例A及びBの研磨ディスクを試験した。
Claims (20)
- 外辺部を有する基部面と、
前記外辺部に当接する連続する複数の側壁であって、前記連続する複数の側壁のそれぞれは前記外辺部に当接し、集合的に前記連続する複数の側壁は前記外辺部全体に当接し、前記連続する複数の側壁の隣接する対は、それぞれの角縁部に沿って互いに当接している、連続する複数の側壁と、
連続する複数の切子面を含む多切子面であって、前記多切子面は前記連続する複数の側壁により前記基部面から離間しており、少なくとも1つのV字溝は、複数の前記角縁部のうちの第1の角縁部から前記多切子面を横切り、複数の前記角縁部のうちの前記第1の角縁部に接しない前記連続する複数の側壁のうちの1つまで延びる、多切子面と、により境界付けられている、セラミック形成粒子であって、
全面積に基づいて、前記多切子面の10%未満が前記基部面に平行である、セラミック成形研磨粒子。 - 前記基部面は、実質的に平面である、請求項1に記載のセラミック成形研磨粒子。
- 前記基部面は、三角形である、請求項1又は2に記載のセラミック成形研磨粒子。
- 前記少なくとも1つのV字溝は、共通点で交差する少なくとも3つのV字溝を含む、請求項1〜3のいずれか一項に記載のセラミック成形研磨粒子。
- 全面積に基づいて、前記多切子面の1%未満が前記基部面に平行である、請求項1〜4のいずれか一項に記載のセラミック成形研磨粒子。
- 前記多切子面のいずれの部分も前記基部面に平行ではない、請求項1〜5のいずれか一項に記載のセラミック成形研磨粒子。
- 前記多切子面は、前記連続する複数の側壁の少なくとも4倍の連続する複数の切子面を含む、請求項1〜6のいずれか一項に記載のセラミック成形研磨粒子。
- 前記多切子面及び前記連続する複数の側壁は共同して、少なくとも6つのカスプを画定する、請求項1〜7のいずれか一項に記載のセラミック成形研磨粒子。
- 前記多切子面は、前記連続する複数の側壁と接しない、中央に配置された錐体を含む、請求項1〜8のいずれか一項に記載のセラミック成形研磨粒子。
- 前記多切子面は、前記連続する複数の切子面から構成される、請求項1〜9のいずれか一項に記載のセラミック成形研磨粒子。
- 少なくとも前記多切子面は、成形プロセスにより形成される、請求項1〜10のいずれか一項に記載のセラミック成形研磨粒子。
- 前記連続する側壁は、前記基部面から延びるにつれて内側に先細りする、請求項1〜11のいずれか一項に記載のセラミック成形研磨粒子。
- 前記セラミック成形研磨粒子は、αアルミナを含む、請求項1〜12のいずれか一項に記載のセラミック成形研磨粒子。
- 請求項1〜13のいずれか一項に記載の複数のセラミック成形研磨粒子。
- 研磨業界が規定した公称等級又は公称スクリーニング等級のうちの少なくとも1つに相当する粒度分布を有する、請求項14に記載の複数のセラミック成形研磨粒子。
- 裏材に結合させた、請求項14又は15に記載の複数のセラミック成形研磨粒子を含む、被覆された研磨物品。
- 前記裏材上に少なくとも部分的に配置されたメイク層と、
前記メイク層上に少なくとも部分的に配置されたサイズ層とを更に含む、請求項16に記載の被覆された研磨物品。 - 前記被覆された研磨物品は、前記サイズ層上に少なくとも部分的に配置されたスーパーサイズ層を更に含み、前記スーパーサイズ層は、研削助剤を含む、請求項16又は17に記載の被覆された研磨物品。
- 前記被覆された研磨物品は、研削助剤を含むスーパーサイズ層を含まない、請求項16又は17に記載の被覆された研磨物品。
- 前記被覆された研磨物品は、研削助剤を含まない、請求項16又は17に記載の被覆された研磨物品。
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US201461982179P | 2014-04-21 | 2014-04-21 | |
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PCT/US2015/026435 WO2015164211A1 (en) | 2014-04-21 | 2015-04-17 | Abrasive particles and abrasive articles including the same |
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KR (1) | KR20160148590A (ja) |
CN (1) | CN106163743B (ja) |
BR (1) | BR112016024547A2 (ja) |
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US11472989B2 (en) | 2015-03-31 | 2022-10-18 | Saint-Gobain Abrasives, Inc. | Fixed abrasive articles and methods of forming same |
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US11879087B2 (en) | 2015-06-11 | 2024-01-23 | Saint-Gobain Ceramics & Plastics, Inc. | Abrasive article including shaped abrasive particles |
US11718774B2 (en) | 2016-05-10 | 2023-08-08 | Saint-Gobain Ceramics & Plastics, Inc. | Abrasive particles and methods of forming same |
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US11230653B2 (en) | 2016-09-29 | 2022-01-25 | Saint-Gobain Abrasives, Inc. | Fixed abrasive articles and methods of forming same |
US11549040B2 (en) | 2017-01-31 | 2023-01-10 | Saint-Gobain Ceramics & Plastics, Inc. | Abrasive article including shaped abrasive particles having a tooth portion on a surface |
US11427740B2 (en) | 2017-01-31 | 2022-08-30 | Saint-Gobain Ceramics & Plastics, Inc. | Method of making shaped abrasive particles and articles comprising forming a flange from overfilling |
US11932802B2 (en) | 2017-01-31 | 2024-03-19 | Saint-Gobain Ceramics & Plastics, Inc. | Abrasive article including shaped abrasive particles comprising a particular toothed body |
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US11926019B2 (en) | 2019-12-27 | 2024-03-12 | Saint-Gobain Ceramics & Plastics, Inc. | Abrasive articles and methods of forming same |
Also Published As
Publication number | Publication date |
---|---|
BR112016024547A2 (pt) | 2017-08-15 |
CN106163743A (zh) | 2016-11-23 |
US20170037288A1 (en) | 2017-02-09 |
KR20160148590A (ko) | 2016-12-26 |
EP3134227A1 (en) | 2017-03-01 |
EP3134227B1 (en) | 2019-09-11 |
JP6640110B2 (ja) | 2020-02-05 |
MX2016013186A (es) | 2017-01-16 |
US10150900B2 (en) | 2018-12-11 |
WO2015164211A1 (en) | 2015-10-29 |
CN106163743B (zh) | 2021-10-08 |
EP3134227A4 (en) | 2017-12-20 |
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