JP6703992B2 - 研磨物品及びそれを形成させる方法 - Google Patents
研磨物品及びそれを形成させる方法 Download PDFInfo
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- JP6703992B2 JP6703992B2 JP2017534304A JP2017534304A JP6703992B2 JP 6703992 B2 JP6703992 B2 JP 6703992B2 JP 2017534304 A JP2017534304 A JP 2017534304A JP 2017534304 A JP2017534304 A JP 2017534304A JP 6703992 B2 JP6703992 B2 JP 6703992B2
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- abrasive particles
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Classifications
-
- 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
- B24D3/20—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 organic
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D18/00—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for
-
- 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
- B24D3/20—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 organic
- B24D3/28—Resins or natural or synthetic macromolecular compounds
-
- 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
- B24D3/34—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties
-
- 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
- C09K3/1436—Composite particles, e.g. coated particles
Description
有機材料を含む結合材;及び
結合材に含有された研磨粒子であって、ナノ結晶性アルミナを含む研磨粒子
を含む本体部
を含む研磨物品。
有機材料を含む結合材;
ナノ結晶性アルミナを含む研磨粒子;
を含む混合物を形成させること、及び
混合物を硬化させて、固定研磨物品を形成させること
を含む、研磨物品を形成させる方法。
図6A及び6Bは、従来の微結晶性アルミナ結晶粒(図6A)と、本明細書の実施形態を代表するナノ結晶性アルミナ結晶粒(図6B)のポリッシングした部分の走査型電子顕微鏡(SEM)像を含む。示されているように、微結晶性アルミナ(MCA)の平均結晶子サイズは約0.2ミクロンであり、ナノ結晶性アルミナ(NCA)の平均結晶子サイズは約0.1ミクロンである。
代表的なMCA結晶粒試料及びNCA結晶粒試料のビッカース硬度を、本明細書において開示する実施形態に従って測定した。MCA結晶粒及びNCA結晶粒は、Saint−Gobain Corporationから入手した。MCA結晶粒はCerpass(登録商標)HTBとして入手可能である。ナノ結晶性アルミナ及び微結晶性アルミナの結晶子サイズは、それぞれ約0.1ミクロン及び0.2ミクロンである。MCA結晶粒及びNCA結晶粒の試料は同じ方法で調製した。MCA結晶粒及びNCA結晶粒の5つの試料のビッカース硬度を試験した。MCA結晶粒及びNCA結晶粒の平均ビッカース硬度を表1に開示する。
2つの異なる種類の試料を、MCA結晶粒及びNCA結晶粒から作製した。MCA結晶粒及びNCA結晶粒の両方は、Saint−Gobain Corporationから入手した。MCA結晶粒はCerpass(登録商標)HTBとして入手可能である。研磨結晶粒47体積%を含む、第1の従来の研削ホイール試料(CS1)を作製した。研磨結晶粒は、微結晶性アルミナ粒子約25体積%と、溶融アランダム38体積%と、SiC38体積%の混合物を含んだ。試料CS1は、樹脂結合剤約20体積%、及び気孔約32体積%も含んだ。研磨粒子約47体積%を含む、第2の研削ホイール試料(S2)を作製した。研磨粒子は、ナノ結晶性アルミナ(NCA)約25体積%と、溶融アランダム38体積%と、SiC38体積%の混合物を含む。試料S2は、試料CS1と同じ種類及び含有量の結合剤及び気孔を含み、有する。粗粒サイズ36の研磨粒子と、粗粒サイズ54の研磨粒子とを用いて、試料CS1及びS2の各々で2バージョンを作製した。NCA及びMCAの結晶サイズは、それぞれ約0.1ミクロン及び0.2ミクロンであった。
Claims (15)
- 本体部を含む研磨物品であって、
本体部が、
有機材料から本質的になる有機結合材であって、前記本体部の全体積の5体積%から35体積%の含有量の前記結合材と、
前記結合材に含有され、ナノ結晶性アルミナを含む研磨粒子であって、前記研磨粒子が前記本体部の前記全体積の45体積%から56体積%の含有量であり、前記ナノ結晶性アルミナが少なくとも0.08ミクロンで0.13ミクロン以下の平均結晶子サイズを有する、前記研磨粒子と、
前記本体部の前記全体積の16体積%から45体積%の気孔率と、を含む、研磨物品。 - 前記ナノ結晶性アルミナが少なくとも0.09ミクロンで0.12ミクロン以下の平均結晶子サイズを有する、請求項1記載の研磨物品。
- 前記研磨粒子は、前記ナノ結晶性アルミナを含む第1の種類の研磨粒子と、酸化物、及び炭化物からなる群から選択される少なくとも1種の材料を含む第2の種類の研磨粒子と、を含むブレンドを含む、請求項2記載の研磨物品。
- 前記ナノ結晶性アルミナが、マグネシウム、ジルコニウム、カルシウム、ケイ素、鉄、イットリウム、ランタン、セリウム、及びそれらの組合せからなる群から選択される材料を含む添加物を含む請求項1記載の研磨物品。
- 前記ナノ結晶性アルミナが、前記ナノ結晶性アルミナの粒子の総重量の約0.1重量%以上から約12重量%以下までの合計含有量の添加物を含む請求項4記載の研磨物品。
- 前記研磨物品の前記本体部は、固定研磨物品を含む、請求項1または2に記載の研磨物品。
- 前記本体部は、研磨ホイール、円錐、ホーン、カップ、フランジ付きホイール、先細カップ、セグメント、軸付先端ツール、円盤、薄型ホイール、及び大径切断ホイールを含む形状を有する、請求項1または2に記載の研磨物品。
- 前記本体部は、ホイールの形状を有する、請求項1または2に記載の研磨物品。
- 前記添加物が酸化カルシウム(CaO)を含み、前記ナノ結晶性アルミナが、前記ナノ結晶性アルミナの総重量の約0.01重量%以上から約5重量%以下までのCaOを含む請求項4記載の研磨物品。
- 前記添加物が酸化マグネシウム(MgO)及び酸化カルシウム(CaO)を含み、前記ナノ結晶性アルミナが、約0.01以上から1以下までの添加物比(CaO/MgO)を有する請求項4記載の研磨物品。
- 有機材料から本質的になる有機結合材と
少なくとも0.08ミクロンで0.13ミクロン以下の平均結晶子サイズを有するナノ結晶性アルミナを含む研磨粒子と、
を含む混合物を形成させること、及び
前記混合物を硬化させて、固定研磨物品を形成させること
を含む、研磨物品を形成させる方法であって、
前記固定研磨物品がホイールの形状を有する本体部を含み、前記本体部が、
前記本体部の全体積の45体積%から56体積%の前記研磨粒子と、
前記本体部の全体積の5体積%から35体積%の前記結合材と、
前記本体部の全体積の16体積%から45体積%の気孔率と、を含む、方法。 - 前記平均結晶子サイズが、少なくとも0.09ミクロンで、0.12ミクロン以下である請求項11記載の方法。
- ナノ結晶性アルミナを含む前記研磨粒子が、前記粒子の総重量の少なくとも約51重量%のアルミナを含む請求項11記載の方法。
- 前記研磨粒子は、前記ナノ結晶性アルミナを含む第1の種類の研磨粒子と、酸化物、及び炭化物からなる群から選択される少なくとも1種の材料を含む第2の種類の研磨粒子と、を含むブレンドを含む、請求項12記載の方法。
- 前記第2の種類の研磨粒子は、アランダム研磨粒子、及び炭化ケイ素研磨粒子を含む、請求項14に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201462097892P | 2014-12-30 | 2014-12-30 | |
US62/097,892 | 2014-12-30 | ||
PCT/US2015/068154 WO2016109728A1 (en) | 2014-12-30 | 2015-12-30 | Abrasive articles and methods for forming same |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018508368A JP2018508368A (ja) | 2018-03-29 |
JP6703992B2 true JP6703992B2 (ja) | 2020-06-03 |
Family
ID=56163468
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017534304A Active JP6703992B2 (ja) | 2014-12-30 | 2015-12-30 | 研磨物品及びそれを形成させる方法 |
Country Status (11)
Country | Link |
---|---|
US (1) | US9790411B2 (ja) |
EP (2) | EP4140649A1 (ja) |
JP (1) | JP6703992B2 (ja) |
KR (1) | KR101953091B1 (ja) |
CN (1) | CN107107314B (ja) |
BR (1) | BR112017014083A2 (ja) |
ES (1) | ES2932533T3 (ja) |
MX (1) | MX2017008307A (ja) |
PL (1) | PL3240655T3 (ja) |
TW (1) | TWI568780B (ja) |
WO (1) | WO2016109728A1 (ja) |
Families Citing this family (4)
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TWI568780B (zh) | 2014-12-30 | 2017-02-01 | 聖高拜磨料有限公司 | 磨料製品及其成形方法 |
KR101964036B1 (ko) | 2014-12-30 | 2019-04-02 | 생-고뱅 어브레이시브즈, 인코포레이티드 | 연마 물품 및 이의 형성 방법 |
US20180001442A1 (en) * | 2016-06-29 | 2018-01-04 | Saint-Gobain Ceramics & Plastics, Inc. | Coated abrasive articles and methods for forming same |
JP7138178B2 (ja) * | 2017-10-02 | 2022-09-15 | スリーエム イノベイティブ プロパティズ カンパニー | 細長い研磨粒子、その製造方法、及びそれを含む研磨物品 |
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-
2015
- 2015-12-30 TW TW104144548A patent/TWI568780B/zh not_active IP Right Cessation
- 2015-12-30 ES ES15876300T patent/ES2932533T3/es active Active
- 2015-12-30 WO PCT/US2015/068154 patent/WO2016109728A1/en active Application Filing
- 2015-12-30 EP EP22198077.4A patent/EP4140649A1/en active Pending
- 2015-12-30 CN CN201580073427.7A patent/CN107107314B/zh active Active
- 2015-12-30 US US14/984,274 patent/US9790411B2/en active Active
- 2015-12-30 PL PL15876300.3T patent/PL3240655T3/pl unknown
- 2015-12-30 BR BR112017014083-7A patent/BR112017014083A2/pt not_active Application Discontinuation
- 2015-12-30 JP JP2017534304A patent/JP6703992B2/ja active Active
- 2015-12-30 MX MX2017008307A patent/MX2017008307A/es unknown
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JP2018508368A (ja) | 2018-03-29 |
CN107107314A (zh) | 2017-08-29 |
MX2017008307A (es) | 2017-10-02 |
TWI568780B (zh) | 2017-02-01 |
US20160186026A1 (en) | 2016-06-30 |
US9790411B2 (en) | 2017-10-17 |
PL3240655T3 (pl) | 2023-01-09 |
KR20170094328A (ko) | 2017-08-17 |
TW201627408A (zh) | 2016-08-01 |
CN107107314B (zh) | 2022-07-01 |
EP3240655A4 (en) | 2018-09-05 |
EP4140649A1 (en) | 2023-03-01 |
EP3240655B1 (en) | 2022-09-28 |
KR101953091B1 (ko) | 2019-03-04 |
BR112017014083A2 (pt) | 2018-03-06 |
ES2932533T3 (es) | 2023-01-20 |
WO2016109728A1 (en) | 2016-07-07 |
EP3240655A1 (en) | 2017-11-08 |
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