JP2022519879A - 研磨物品 - Google Patents
研磨物品 Download PDFInfo
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- JP2022519879A JP2022519879A JP2021546674A JP2021546674A JP2022519879A JP 2022519879 A JP2022519879 A JP 2022519879A JP 2021546674 A JP2021546674 A JP 2021546674A JP 2021546674 A JP2021546674 A JP 2021546674A JP 2022519879 A JP2022519879 A JP 2022519879A
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- Prior art keywords
- abrasive particles
- particles
- polishing
- polished article
- polished
- Prior art date
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- 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
- B24D11/001—Manufacture of flexible abrasive materials
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- 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
- B24D18/0072—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for using adhesives for bonding abrasive particles or grinding elements to a support, e.g. by gluing
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
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Abstract
Description
本明細書で説明される実施形態は、ネットタイプのバッキング上の研磨剤の集塵の利点を保持するだけではなく、従来の研磨剤の研磨性能(切削及び/又は寿命)の利点も示す、研磨物品に関する。この(集塵と切削及び/又は寿命との)利点の組み合わせが可能である理由は、本明細書で説明される研磨物品の構成が、布で裏打ちされた積層体上に研磨剤をパターンコーティングすることにより、明確に画定された研磨剤コーティングの領域と、いかなる研磨剤コーティングも含まない開放領域とを形成することを可能にするためである。それゆえ、パターニングされた研磨剤領域を、布基材上に存在するあらゆるパターンから独立して構成することにより、研磨性能及び集塵の双方を最適化することができる。
実施例1で説明したバッキング上のCLLの上に配置された、パターニングされている3ミルのポリエステルステンシルフィルムを使用して、実施例2で説明した硬化性組成物がステンシル印刷され、このステンシル印刷は、バッキングとステンシルとを接触させ、バッキングとは反対側のステンシルの側に硬化性組成物を適用し、ブレード機構を使用して硬化性組成物をステンシルに押し付けて通し、次いで、ステンシルとバッキングとを分離して、バッキング上に硬化性組成物のコーティングを残すことによるものであり、コーティングされる硬化性組成物の量は、100gsmであり、75マイクロメートルの膜厚を有する。この実施例では、図12に示されるようなパターンを使用した。次いで、硬化性組成物が依然として湿潤している間に、50%のP320 BFRPLと50%のFAPとのブレンド30gsmを静電コーティングする(Spellman SL 150)。次いで、この構成全体を、80℃のバッチオーブン内で30分間、熱によって予備硬化させ、103℃のバッチオーブン内で4時間、最終硬化させる。この最終段階の間に、硬化性組成物が硬化し、CLLが溶融して、ネットメッシュバッキングの網糸上にウィッキングすることにより、バッキングに元から存在する多くの穴を再び開放する。この例では、最少で90%の元の穴が、再び開放された。
実施例4を、実施例3と同じように作製し、この場合、70%のP320 BFRPL酸化アルミニウム鉱物と30%のFAPとのブレンド30gsmを使用した。
比較例1:
比較例1は、3M Company(St.Paul,Minnesota,US)から入手可能な、3M Cubitron(商標)II Hookit(商標)Purple Clean Sanding Disc 334U、グレードP320とした。
比較例2は、Mirka Ltd(Jeppo,Finland)から入手可能な、9A-232-320 Mirka Abranet研磨ディスク、グレードP320とした。
比較例3は、3M Company(St.Paul,Minnesota,US)から入手可能な、3M Cubitron(商標)II Hookit(商標)Clean Sanding研磨ディスク 737U、グレードP320+とした。
実施例3及び実施例4と比較例1~3とに従って作製された研磨物品の研磨性能を、ACT Laboratories,Inc.(Hillsdale,Michigan)から入手した、NEXA OEMタイプのクリアコートを有する18インチ×24インチ(45.7センチメートル×61センチメートル)の黒色塗装された冷間圧延鋼試験パネルに対して評価した。試験目的のために、直径6インチの研磨ディスクを、3M Companyから商標名「HOOKIT BACKUP PAD、部品番号05865」で市販されている、6インチ(15.2センチメートル)のバックアップパッドに取り付けた。このツールを、X-Yテーブルの上に配置し、そのX-Yテーブルに試験パネルを固定した。
実験室オーブン(Blue M Electric Company、モデルPOM-1406G-1(Blue Island,Illinois)を、160Cまで予熱した。熱溶融性層を有する9×11インチ(23cm×28cm)サイズのメッシュバッキングを、150~155Cのオーブン内に約1分間保持することにより、溶融性層が溶融して穴を開放することを可能にした。次いで、オーブンからメッシュバッキングを取り出し、室温まで冷却した。メッシュバックを、平滑なガラス表面上に、幅2インチのマスキングテープで、ループ側がガラス表面に向き合う状態で固定した。
実験室オーブン(Blue M Electric Company、モデルPOM-1406G-1(Blue Island,Illinois)を、160Cまで予熱した。熱溶融性層を有する9×11インチ(23cm×28cm)サイズのメッシュバッキングを、オーブン内で、非ループ側を上向きにして、150~155Cで約1分間保持することにより、溶融性層が溶融して穴を開放することを可能にし、次いで、メッシュバッキングを150~155Cで更に1分間保持することにより、溶融性接着剤を完全に溶融/軟化させた。
星形状のパターンを有するステンシルを使用して、星形上の凝集体を作製した。
六角形状のパターンを有するステンシルを使用した点を除いて、実施例と同じ手順を使用した。このことの結果として、図17C、図17Dの試料が得られた。
Claims (50)
- 研磨物品であって、
ストランドを含んで、前記ストランド間に第1の間隙空間を形成している、布基材と、
前記布基材に接合されている積層体と、
前記布基材とは反対側で前記積層体に接合されている、硬化した樹脂組成物と、
前記硬化した樹脂組成物に接合されている、研磨粒子と、
前記布基材内の第1の間隙空間と一致して前記積層体を貫通して延びている、複数の第2の間隙空間と、を備える、研磨物品。 - 前記積層体が、前記ストランドの周りに少なくとも部分的に巻き付いて、前記第1の間隙空間及び前記第2の間隙空間を開放したまま残している、請求項1に記載の研磨物品。
- 前記積層体が、前記第1の間隙空間の上方に硬化した樹脂組成物が存在しない場合に、前記第1の間隙空間を回避する、請求項1に記載の研磨物品。
- 前記積層体が、前記ストランドの上にのみ延びている、請求項3に記載の研磨物品。
- 前記積層体が、前記空間の上方に前記硬化した樹脂組成物が存在する場合に、前記第1の間隙空間を覆う、請求項1に記載の研磨物品。
- 前記硬化した樹脂組成物が、前記第1の間隙空間の上方に前記積層体を支持している、請求項5に記載の研磨物品。
- 前記布基材が、
前記積層体に接合されている第1の側と、
前記第1の側とは反対側の第2の側と、を含む、請求項1に記載の研磨物品。 - 前記第2の側が、二部分式フックアンドループ取り付けシステムの、一方の部分を含む、請求項7に記載の研磨物品。
- 前記布基材が、前記第1の側の総表面積の一部分を少なくとも含む、第1の表面領域にわたる、請求項7に記載の研磨物品。
- 前記積層体が、前記第1の表面領域の上に延びており、前記第1の総表面積に等しい第2の総表面積にわたる、請求項9に記載の研磨物品。
- 前記硬化した樹脂組成物が、前記第1の表面領域内に位置決めされており、前記第2の総表面積よりも小さい第3の総表面積にわたる、請求項9に記載の研磨物品。
- 前記第3の総表面積が、連続的又は不連続的のうちの一方である、請求項11に記載の研磨物品。
- 前記樹脂が、前記積層体よりも高い融点を有する、請求項1に記載の研磨物品。
- 前記積層体が、熱溶融性材料を含む、請求項13に記載の研磨物品。
- 前記熱溶融性材料が、熱溶融性ポリエステルを含む、請求項14に記載の研磨物品。
- 前記硬化した樹脂組成物が、フェノール樹脂の硬化生成物を含む、請求項13に記載の研磨物品。
- 前記布基材が、織物材料又は編物材料を含む、請求項1に記載の研磨物品。
- 前記研磨粒子が、成形研磨粒子を含む、請求項1に記載の研磨物品。
- 前記研磨粒子が、凝集研磨粒子を含み、前記凝集研磨粒子が、成形研磨粒子を含む、請求項1に記載の研磨物品。
- 前記凝集研磨粒子が、成形凝集研磨粒子であり、形状が、九角形、八角形、七角形、六角形、三角形、平行四辺形、菱形、長方形、正方形、五角形、円形、楕円形、ハート形、十字形、矢印形、星形、又は三日月形を含む、請求項19に記載の研磨物品。
- 前記凝集研磨粒子が、前記布基材上にパターンとして配置されている、請求項19に記載の研磨物品。
- 前記凝集研磨粒子が、前記布基材上にランダムに配置されている、請求項19に記載の研磨物品。
- 空気が、少なくとも0.5L/sの速度で前記物品を通って流れることにより、使用時に、研磨された表面から前記研磨物品を介して粉塵を除去することができる、請求項1に記載の研磨物品。
- 研磨物品の製造方法であって、
布基材に積層体を接合することと、
前記布基材とは反対側で前記積層体に硬化性樹脂組成物を接合することと、
前記硬化性樹脂組成物に研磨粒子を接合することと、を含み、
前記布基材が、ストランドを含んで、前記ストランド間に第1の間隙空間を形成する、製造方法。 - 硬化した樹脂組成物を提供するために、前記硬化性樹脂組成物を硬化させることを更に含む、請求項20に記載の方法。
- 前記硬化させることが、前記布基材内の第1の間隙空間と一致して前記積層体を貫通して延びる、複数の第2の間隙空間を作り出す、請求項21に記載の方法。
- 前記研磨粒子が、凝集研磨粒子を含み、前記凝集研磨粒子が、成形研磨粒子を含む、請求項24に記載の方法。
- 前記凝集研磨粒子が、成形凝集研磨粒子であり、形状が、九角形、八角形、七角形、六角形、三角形、平行四辺形、菱形、長方形、正方形、五角形、円形、楕円形、ハート形、十字形、矢印形、星形、又は三日月形を含む、請求項20に記載の方法。
- 前記硬化性樹脂組成物に研磨凝集体を接合することが、研磨凝集体をパターンとして堆積させることを含む、請求項28に記載の方法。
- 前記硬化性樹脂組成物に研磨凝集体を接合することが、研磨凝集体をランダムに堆積させることを含む、請求項28に記載の方法。
- 研磨物品であって、
複数のストランドを含んで、前記ストランド間に第1の間隙空間を形成している、布基材と、
前記複数のストランドに結合されている接着剤を含む、接着剤層と、
前記接着剤層内に埋め込まれている研磨粒子と、を備える、研磨物品。 - 前記接着剤層が、熱活性化接着剤を含む、請求項31に記載の研磨物品。
- 前記研磨粒子が、破砕研磨粒子、板状研磨粒子、形成研磨粒子、成形研磨粒子、又は部分的成形研磨粒子である、請求項31に記載の研磨物品。
- 前記研磨粒子が、凝集研磨粒子を含み、前記凝集研磨粒子が、成形研磨粒子を含む、請求項31に記載の研磨物品。
- 前記凝集研磨粒子が、成形凝集研磨粒子であり、形状が、九角形、八角形、七角形、六角形、三角形、平行四辺形、菱形、長方形、正方形、五角形、円形、楕円形、ハート形、十字形、矢印形、星形、又は三日月形を含む、請求項31に記載の研磨物品。
- 研磨凝集体が、前記接着剤層内にパターンとして埋め込まれている、請求項35に記載の研磨物品。
- 研磨凝集体が、前記接着剤層内にランダムに埋め込まれている、請求項36に記載の研磨物品。
- 研磨物品の製造方法であって、
布基材に接着剤層を適用することであって、前記布基材が、ストランドを含んで、前記ストランド間に第1の間隙空間を形成しており、前記接着剤層が、接着剤が実質的に前記ストランドのみに接着し、前記間隙空間内には実質的に延びないように適用されることと、
前記接着剤層内に研磨粒子が部分的に埋め込まれるように、前記接着剤層に複数の前記研磨粒子を適用することと、を含む、方法。 - 前記接着剤層が、熱活性化接着剤を含む、請求項38に記載の方法。
- 接着剤層を適用することが、接着剤層で前記布基材を積層することを含む、請求項38に記載の方法。
- 前記接着剤層を加熱することを更に含む、請求項38に記載の方法。
- 前記複数の研磨粒子を適用することが、前記研磨粒子を落下コーティングすることを含む、請求項38に記載の方法。
- 前記研磨粒子が加熱される、請求項42に記載の方法。
- 前記接着剤層が加熱される、請求項42に記載の方法。
- サイズコートを適用することを更に含む、請求項38に記載の方法。
- スーパーサイズコートを適用することを更に含む、請求項38に記載の方法。
- 前記研磨粒子が、凝集研磨粒子を含み、前記凝集研磨粒子が、成形研磨粒子を含む、請求項38に記載の方法。
- 前記凝集研磨粒子が、成形凝集研磨粒子であり、形状が、九角形、八角形、七角形、六角形、三角形、平行四辺形、菱形、長方形、正方形、五角形、円形、楕円形、ハート形、十字形、矢印形、星形、又は三日月形を含む、請求項47に記載の方法。
- 前記接着剤層に研磨凝集体を適用することが、研磨凝集体をパターンとして堆積させることを含む、請求項48に記載の方法。
- 前記接着剤層に研磨凝集体を適用することが、研磨凝集体をランダムに堆積させることを含む、請求項48に記載の方法。
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US62/945,242 | 2019-12-09 | ||
PCT/IB2020/050984 WO2020165709A1 (en) | 2019-02-11 | 2020-02-07 | Abrasive article |
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EP4188645A1 (en) * | 2020-07-30 | 2023-06-07 | 3M Innovative Properties Company | Abrasive article and method of making the same |
DE102021116139B4 (de) | 2021-06-22 | 2023-07-20 | VSM . Vereinigte Schmirgel- und Maschinen-Fabriken Aktiengesellschaft | Schleifmittel und Verfahren zum Herstellen des Schleifmittels |
DE102021215122A1 (de) | 2021-12-30 | 2023-07-06 | Robert Bosch Gesellschaft mit beschränkter Haftung | Schleifmittel |
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BR112021015764A2 (pt) | 2021-10-05 |
KR20210124337A (ko) | 2021-10-14 |
MX2021009576A (es) | 2021-09-08 |
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