JP2022545469A - 研磨パッドの付加製造 - Google Patents
研磨パッドの付加製造 Download PDFInfo
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- JP2022545469A JP2022545469A JP2022511243A JP2022511243A JP2022545469A JP 2022545469 A JP2022545469 A JP 2022545469A JP 2022511243 A JP2022511243 A JP 2022511243A JP 2022511243 A JP2022511243 A JP 2022511243A JP 2022545469 A JP2022545469 A JP 2022545469A
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- B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
- B29C64/112—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using individual droplets, e.g. from jetting heads
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- C—CHEMISTRY; METALLURGY
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- 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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- 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
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- C09K3/1454—Abrasive powders, suspensions and pastes for polishing
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- Optics & Photonics (AREA)
- Composite Materials (AREA)
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Abstract
Description
Claims (15)
- 研磨パッドの研磨層の3次元(3D)印刷用の調合物であって、
親調合物を含み、親調合物が、
モノマーと、
ポリエステル誘導体を含む分散剤と、
親調合物に分散したナノ粒子と
を含む、3次元(3D)印刷用の調合物。 - ナノ粒子がセリアまたはシリカナノ粒子を含む、請求項1に記載の調合物。
- 分散剤が親調合物の6重量パーセント未満であり、ナノ粒子が親調合物の少なくとも45重量パーセントである、請求項1に記載の調合物。
- モノマーが親調合物の50重量パーセント未満である、請求項1に記載の調合物。
- モノマーがメタクリレートモノマーを含む、請求項1に記載の調合物。
- ナノ粒子が金属酸化物ナノ粒子を含み、ポリエステル誘導体がエステルブロックおよびエーテルブロックを含む、請求項1に記載の調合物。
- 調合物が、架橋剤、オリゴマー、表面エネルギー調整剤、またはレオロジー調整剤、またはそれらの任意の組み合わせをさらに含む、請求項1に記載の調合物。
- 調合物の粘度が70℃で17センチポアズ(cP)未満である、請求項7に記載の調合物。
- ナノ粒子が酸化セリウム(IV)(CeO2)ナノ粒子を含み、ナノ粒子が調合物の少なくとも25重量パーセントである、請求項7に記載の調合物。
- 調合物が界面活性剤を含まない、請求項7に記載の調合物。
- 研磨パッドの付加製造用の調合物を調製する方法であって、
ポリエステル誘導体を含む分散剤をモノマーに添加することと、
金属酸化物ナノ粒子をモノマーに添加することと、
ナノ粒子および分散剤を有するモノマーを超音波処理してナノ粒子をモノマーに分散させることと、
を含む、方法。 - 研磨パッドを製造する方法であって、
モノマーと、モノマーに分散されたナノ粒子と、ポリエステル誘導体を含む分散剤とを含む調合物の液滴を、三次元(3D)プリンタを介して噴射して研磨パッドの研磨層を形成することと、
噴射されたモノマーを重合して、ナノ粒子を含む研磨層を形成することと、
を含む、方法。 - ナノ粒子がセリアナノ粒子を含み、ポリエステル誘導体がエステルブロックおよびエーテルブロックを含む、請求項12に記載の方法。
- 分散剤が調合物の6重量パーセント未満を構成する、請求項12に記載の方法。
- ナノ粒子が調合物の少なくとも25重量パーセントを構成する、請求項12に記載の方法。
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US62/890,019 | 2019-08-21 | ||
PCT/US2020/046840 WO2021034849A1 (en) | 2019-08-21 | 2020-08-18 | Additive manufacturing of polishing pads |
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