JP6983179B2 - 硬化性組成物、研磨物品及びその製造方法 - Google Patents
硬化性組成物、研磨物品及びその製造方法 Download PDFInfo
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- JP6983179B2 JP6983179B2 JP2018558122A JP2018558122A JP6983179B2 JP 6983179 B2 JP6983179 B2 JP 6983179B2 JP 2018558122 A JP2018558122 A JP 2018558122A JP 2018558122 A JP2018558122 A JP 2018558122A JP 6983179 B2 JP6983179 B2 JP 6983179B2
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- JP
- Japan
- Prior art keywords
- isocyanate
- curable composition
- abrasive particles
- functional organosilane
- polished article
- Prior art date
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Images
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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D5/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor
- B24D5/12—Cut-off wheels
-
- 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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
-
- 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
- C08K9/00—Use of pretreated ingredients
- C08K9/02—Ingredients treated with inorganic substances
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
- C08L61/04—Condensation polymers of aldehydes or ketones with phenols only
- C08L61/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
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- 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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/009—Additives being defined by their hardness
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Description
O=C=N−Z−SiY3
Zが、1〜6個の炭素原子を有するアルキレン基(例えば、メチレン、エチレン、プロピレン、ブチレン、ペンチレン、ヘキシレン)を表し、直鎖状、分岐状、又は環状とすることができる。各Yが、独立して、加水分解性基を表す。
第1の実施形態において、本開示は、フェノール樹脂及びイソシアネート官能化研磨粒子を含む硬化性組成物であって、イソシアネート官能化研磨粒子が、少なくとも1つのイソシアネート官能性オルガノシランと研磨粒子との反応生成物からなる、硬化性組成物を提供する。
実施例における精確に成形されたαアルミナ研磨粒子SAPは、米国特許第8,142,531号(Adefris等)の実施例1の開示に従って、正三角形のポリプロピレン金型キャビティ内でアルミナゾル−ゲルを成型することによって調製した。更に、SAPは、アルミナ微粒子(約0.5ミクロン)(Almatis(Pittsburgh,Pennsylvania)から入手したHYDRAL COAT 5)のコーティングを有しており、この粒子コーティングを米国特許第5,213,591号(Celikkaya等)の方法に従って適用した。
AP1
100部のAPTESに対して1部のCAT1でAPTESにシラン縮合触媒CAT1を混和した。TOLを添加して完全に混合して5重量%の固溶体を作った。
100部のBTESPAに対して1部のCAT1でBTESPAにシラン縮合触媒CAT1を混和した。TOLを添加して完全に混合して5重量%の固溶体を作った。
100部のTESPISに対して1部のCAT1でTESPISにシラン縮合触媒CAT1を混和した。TOLを添加して完全に混合して5重量%の固溶体を作った。
100部のTESPISに対して1部のCAT1でTESPISにシラン縮合触媒CAT1を混和した。ACEを添加して完全に混合して5重量%の固溶体を作った。
レーザーカットしたアルミナ基材AlOxSubをダイヤモンドカッターを用いて半分に切断して、57.15cm×114.3cm×1.0cm(2.25インチ×4.50インチ×0.040インチ)の寸法の基材を作った。切断したアルミナ基材をはかりによって(0.01gの精度で)重量Aと計量した。計量した基材をブラシによって清浄し、その表面にマイヤーロッドコータ(RDS36ワイヤサイズコータ)を用いて接着促進剤AP1を適用して、深さ82.3μmの濡れ厚層を生成した。接着促進剤によって処理したアルミナ基材を65℃の対流式オーブン内で30分間乾燥させた。
SAPをAP1によって処理して、0.3重量%のAPTESのコーティングを生成した点を除いて、実施例1を繰り返した。
AlOxSubをAP2によってコーティングし、SAPをAP2によって処理して、0.3重量%のBTESPAのコーティングを生成した点を除いて、実施例1を繰り返した。
AlOxSubをAP3によってコーティングし、SAPをAP3によって処理して、0.1重量%のTESPISのコーティングを生成した点を除いて、実施例1を繰り返した。
SAPをAP3によって処理して、0.3重量%のTESPISのコーティングを生成した点を除いて、実施例4を繰り返した。
AlOxSubに接着促進剤を適用せず、SAPにコーティングしなかった点を除いて、実施例1を繰り返した。
比較的軟質のゴム製マットによってサンプル表面を擦ることによって、SAPのうち基材から完全に結合が解かれた、又は基材に弱く結合した部分を全て除去した。事前摩擦の後に、残留した緩い粒子を空気の吹き付けにより除去することによって、サンプルを完全に清浄した。事前摩擦を完了すると、はかりによって(0.01gの精度で)各サンプルを計量し、重量Bとして記録した。
重量B=AlOxSub+RP+結合SAP
重量B=重量A+RP+結合SAP
ビーカーに100gのSAPを入れた。次いで、コーティングムラや粒凝集を防止するようにビーカーを振りながら、調製した2.0gの接着促進剤溶液AP4をスプレーコータ(Prevail(Coal City,IL))を用いて粒表面に均一に適用した。スプレープロセスが完了すると、ビーカーを、コーティングした粒子表面が乾燥するまで室温で連続的に撹拌した。粒の表面が見た目に乾燥すると、65℃のオーブン内で更に30分間乾燥させた。調製した粒をカットオフホイールの調製前にプラスチック袋又はガラスビンに保存した。プロセスを6回繰り返して、0.1重量%のTESPISによってコーティングしたSAPを600g生成した。
600gのSAPを処理せずに砥粒として使用した点を除いて、実施例6を繰り返した。
砥粒をAP4によってコーティングして、0.3重量%のTESPISのコーティングを生成した点を除いて、実施例6を繰り返した。
実施例6〜7及び比較例Bの混合物を周囲条件に20時間放置したままにした。次に、各混合物を12メッシュスクリーン(+12/パン)によってふるい分けし、粒塊を除去した。SCRIM2の125mm径ディスクを、125mm径の金型キャビティの底部に置いた。金型の内径は23mmであった。SCRIM2上には、実施例1によるフィル混合物(27.5g)を散布した。次いで、SCRIM1をフィル混合物上に置き、スクリム上に小径の実験ラベルを置いた。Lumet PPUH(Jaslo,Poland)製の28mm×22.45mm×1.2mmの金属フランジを各ラベル上に置いた。金型を閉じ、スクリム−フィル−スクリムのサンドイッチ状体を、室温で30トン(244.5kg/cm2)のプレス荷重で3秒間プレスした。各混合物から6つのホイールを作った。プレス後に、カットオフホイールの前駆体を金型から取り出し、硬化プログラム中に形状を維持するためにアルミニウムプレートとPTFEシートとの間に積層体状に置いた。2時間で75℃まで冷却し、2時間で90℃まで冷却し、5時間で110℃まで冷却し、3時間で135℃まで冷却し、3時間で188℃まで冷却し、13時間で188℃まで冷却した後に、2時間で60℃まで冷却する30時間の硬化サイクルによってホイールを積層体状で硬化させた。ホイールの最終厚は、凡そ0.053インチ(1.35mm)であった。
シート長が40インチ(101.6cm)、厚さが1/8インチ(3.2mm)のステンレス鋼を、その主表面を水平に対して35度傾けて固定した。ガイドレールを、傾いたシートの下り傾斜のトップ面に沿って固定した。DeWalt Model D28114の4.5インチ(11.4cm)/5インチ(12.7cm)のカットオフホイールアングルグラインダーを、工具が重力によって下方に導かれるようにガイドレールに固定した。
Claims (15)
- フェノール樹脂及びイソシアネート官能化研磨粒子を含む硬化性組成物であって、前記イソシアネート官能化研磨粒子が、少なくとも1つのイソシアネート官能性オルガノシランと研磨粒子との反応生成物からなる、硬化性組成物。
- 前記研磨粒子がαアルミナを含む、請求項1に記載の硬化性組成物。
- 前記イソシアネート官能性オルガノシランが、式O=C=N−Z−SiY3によって表され、式中、Zが、1〜6個の炭素原子を有するアルキレン基を表し、各Yが、独立して、加水分解性基を表す、請求項1に記載の硬化性組成物。
- 前記少なくとも1つのイソシアネート官能性オルガノシランが、少なくとも1つの3−イソシアネートプロピルトリアルコキシシランを含む、請求項1に記載の硬化性組成物。
- 前記少なくとも1つのイソシアネート官能性オルガノシランが、3−イソシアネートプロピルトリエトキシシラン及び3−イソシアネートプロピルトリメトキシシランのうちの少なくとも1つを含む、請求項1に記載の硬化性組成物。
- 研磨物品の製造方法であって、硬化性組成物を少なくとも部分的に硬化させることを含み、前記硬化性組成物が、フェノール樹脂及びイソシアネート官能化研磨粒子を含み、前記イソシアネート官能化研磨粒子が、少なくとも1つのイソシアネート官能性オルガノシランと研磨粒子との反応生成物からなる、製造方法。
- 前記研磨粒子がαアルミナを含む、請求項6に記載の製造方法。
- 前記イソシアネート官能性オルガノシランが、式O=C=N−Z−SiY3によって表され、式中、Zが、1〜6個の炭素原子を有するアルキレン基を表し、各Yが、独立して、加水分解性基を表す、請求項6に記載の製造方法。
- 前記少なくとも1つのイソシアネート官能性オルガノシランが、少なくとも1つの3−イソシアネートプロピルトリアルコキシシランを含む、請求項6に記載の方法。
- 前記少なくとも1つのイソシアネート官能性オルガノシランが、3−イソシアネートプロピルトリエトキシシラン及び3−イソシアネートプロピルトリメトキシシランのうちの少なくとも1つを含む、請求項6に記載の方法。
- イソシアネート官能化研磨粒子を保持するバインダーを含む研磨物品であって、前記バインダーが、硬化した硬化性組成物を含み、前記硬化性組成物が、フェノール樹脂及びイソシアネート官能化研磨粒子を含み、前記イソシアネート官能化研磨粒子が、少なくとも1つのイソシアネート官能性オルガノシランと研磨粒子との反応生成物からなる、研磨物品。
- 前記研磨物品が結合研磨物品である、請求項11に記載の研磨物品。
- 前記結合研磨物品が結合研磨ホイールである、請求項11に記載の研磨物品。
- 前記研磨粒子がαアルミナを含む、請求項11に記載の研磨物品。
- 前記少なくとも1つのイソシアネート官能性オルガノシランが、3−イソシアネートプロピルトリエトキシシラン及び3−イソシアネートプロピルトリメトキシシランのうちの少なくとも1つを含む、請求項11に記載の研磨物品。
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PCT/US2017/030353 WO2017192426A1 (en) | 2016-05-06 | 2017-05-01 | Curable composition, abrasive article, and method of making the same |
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-
2017
- 2017-05-01 US US16/099,031 patent/US10702974B2/en active Active
- 2017-05-01 JP JP2018558122A patent/JP6983179B2/ja active Active
- 2017-05-01 CN CN201780027803.8A patent/CN109070314B/zh not_active Expired - Fee Related
- 2017-05-01 EP EP17737926.0A patent/EP3452253B1/en active Active
- 2017-05-01 KR KR1020187034676A patent/KR102341036B1/ko active IP Right Grant
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US20190185658A1 (en) | 2019-06-20 |
CN109070314B (zh) | 2021-03-30 |
EP3452253B1 (en) | 2021-02-24 |
US10702974B2 (en) | 2020-07-07 |
KR20190004744A (ko) | 2019-01-14 |
KR102341036B1 (ko) | 2021-12-20 |
EP3452253A1 (en) | 2019-03-13 |
JP2019520222A (ja) | 2019-07-18 |
CN109070314A (zh) | 2018-12-21 |
WO2017192426A1 (en) | 2017-11-09 |
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