JP6821236B2 - 研削工具用樹脂組成物および前記樹脂組成物で製造された研削工具 - Google Patents
研削工具用樹脂組成物および前記樹脂組成物で製造された研削工具 Download PDFInfo
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- JP6821236B2 JP6821236B2 JP2019535382A JP2019535382A JP6821236B2 JP 6821236 B2 JP6821236 B2 JP 6821236B2 JP 2019535382 A JP2019535382 A JP 2019535382A JP 2019535382 A JP2019535382 A JP 2019535382A JP 6821236 B2 JP6821236 B2 JP 6821236B2
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Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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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- C08K3/14—Carbides
-
- 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
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
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- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3412—Heterocyclic compounds having nitrogen in the ring having one nitrogen atom in the ring
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L79/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen or carbon only, not provided for in groups C08L61/00 - C08L77/00
- C08L79/02—Polyamines
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/38—Boron-containing compounds
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Description
本出願は、2017年5月24日付の韓国特許出願第10−2017−0064326号および2018年5月23日付の韓国特許出願第10−2018−0058367号に基づく優先権の利益を主張し、当該韓国特許出願の文献に開示されたすべての内容は本明細書の一部として含まれる。
研磨粒子、
充填剤、および
フタロニトリル化合物を含有する組成物から硬化した樹脂結合剤を含む、研削工具用樹脂組成物が提供される。
発明の一実施形態によれば、
研磨粒子、
充填剤、および
フタロニトリル化合物を含有する組成物から硬化した樹脂結合剤を含む、研削工具用樹脂組成物が提供される。
Mは、脂肪族、脂環族、または芳香族化合物由来の4価ラジカルであり、
X1およびX2は、それぞれ独立して、アルキレン基、アルキリデン基、または芳香族化合物由来の2価ラジカルであり、
nは、1以上の数である。
R1〜R10は、それぞれ独立して、水素、アルキル基、アルコキシ基、またはアリール基であり、
Xは、単結合、アルキレン基、アルキリデン基、−O−、−S−、−C(=O)−、−S(=O)−、−S(=O)2−、−C(=O)−O−L1−O−C(=O)−、−L2−C(=O)−O−L3−、−L4−O−C(=O)−L5−、または−L6−Ar1−L7−Ar2−L8−であり;ここで、L1〜L8は、それぞれ独立して、単結合、−O−、アルキレン基、またはアルキリデン基であり;Ar1およびAr2は、それぞれ独立して、アリーレン基である。
R1〜R4は、それぞれ独立して、水素、アルキル基、またはアルコキシ基でかつ、R1〜R4のうちの2個は、互いに連結されてアルキレン基を形成してもよく、
Aは、アルキレン基またはアルケニレン基でかつ、Aのアルキレン基またはアルケニレン基は、ヘテロ原子として1つ以上の酸素原子を含んでもよい。
R11〜R20は、それぞれ独立して、水素、アルキル基、アルコキシ基、アリール基、ヒドロキシ基、またはカルボキシル基であり、
X’は、単結合、アルキレン基、アルキリデン基、−O−、−S−、−C(=O)−、−NR21−、−S(=O)−、−S(=O)2−、−L9−Ar3−L10−、または−L11−Ar4−L12−Ar5−L13−であり;ここで、R21は、水素、アルキル基、アルコキシ基、またはアリール基であり;L9〜L13は、それぞれ独立して、単結合、−O−、アルキレン基、またはアルキリデン基であり;Ar3〜Ar5は、それぞれ独立して、アリーレン基である。
発明の他の実施形態によれば、上述した樹脂組成物で製造された研削工具が提供される。
下記化学式11の化合物(PN1)を、次の方式で合成した。
下記化学式14の化合物(PN2)は、次の方式で合成した。
下記化学式17の化合物(CA1)は、ジアミンとジアンハイドライドの脱水縮合によって合成した。4,4’−オキシジアニリン(4,4’−oxydianiline)24gおよびNMP(N−methyl−pyrrolidone)40gを3−neck RBF(3neck round bottom flask)に投入し、常温で撹拌して溶解させた。ウォーターバス(water bath)で前記を冷却させ、下記化学式18の化合物8.7gを徐々に3回に分けて40gのNMPと共に投入した。投入された化合物がすべて溶解すると、azeotropeのために反応物にトルエン16gを投入した。Dean−Stark装置とリフラックスコンデンサを設け、Dean−Stark装置にトルエンを投入して満たした。脱水縮合触媒としてピリジン4.2mLを投入し、温度を170℃まで昇温させ、3時間撹拌した。イミド環が形成されながら発生する水をDean−Stark装置で除去しながら、2時間追加撹拌し、残留トルエンとピリジンを除去した。反応生成物を常温まで冷却し、メタノールに沈殿させて回収した。回収された沈殿物をメタノールで抽出して残留反応物を除去し、真空オーブンで乾燥して、化学式17の化合物(CA1)を約85重量%の収率で得た。得られた化学式17の化合物(CA1)に対する1H−NMR分析結果を図3に示した。
下記化学式19の化合物(CA2)は、ジアミンとジアンハイドライドの脱水縮合によって合成した。4,4’−オキシジアニリン(4,4’−oxydianiline)24gおよびNMP(N−methyl pyrrolidone)50gを3−neck RBF(3neck round bottom flask)に投入し、常温で撹拌して溶解させた。ウォーターバス(water bath)で前記を冷却させ、下記化学式18の化合物19.5gを徐々に3回に分けて100gのNMPと共に投入した。投入された化合物がすべて溶解すると、azeotrope反応のために反応物にトルエン30gを投入した。Dean−Stark装置とリフラックスコンデンサを設け、Dean−Stark装置にトルエンを投入して満たした。脱水縮合触媒としてピリジン6.3mLを投入し、温度を170℃まで昇温させ、3時間撹拌した。イミド環が形成されながら発生する水をDean−Stark装置で除去しながら、2時間追加撹拌し、残留トルエンとピリジンを除去した。反応生成物を常温まで冷却し、メタノールに沈殿させて回収した。回収された沈殿物をメタノールで抽出して残留反応物を除去し、真空オーブンで乾燥して、化学式19の化合物(CA2)を約85重量%の収率で得た。得られた化学式19の化合物(CA2)に対する1H−NMR分析結果を図4に示した。
下記化学式20の化合物(CA3)は、ジアミンとジアンハイドライドの脱水縮合によって合成した。m−phenylene diamine8.1gとNMP(N−methyl pyrrolidone)50gを3−neck RBF(3neck round bottom flask)に投入し、常温で撹拌して溶解させた。ウォーターバス(water bath)で前記を冷却し、下記化学式21の化合物26gを徐々に3回に分けて60gのNMPと共に投入した。投入された化合物がすべて溶解すると、azeotrope反応のために反応物にトルエン23gを投入した。Dean Stark装置とリフラックスコンデンサを設け、Dean Stark装置にトルエンを投入して満たした。脱水縮合触媒としてピリジン5.2mLを投入し、温度を170℃まで昇温させ、3時間撹拌した。イミド環が形成されながら発生する水をDean Stark装置で除去しながら、2時間追加撹拌し、残留トルエンとピリジンを除去した。反応生成物を常温まで冷却し、メタノールに沈殿させて回収した。回収された沈殿物をメタノールでSoxhlet抽出して残留反応物を除去し、真空オーブンで乾燥して、化学式21の化合物(CA3)を約93重量%の収率で得た。前記化学式21の化合物(CA3)に対する1H−NMR分析結果を図5に示した。
前記製造例1のフタロニトリル化合物(PN1)の1モル対比0.2モルの比率で前記製造例3の硬化剤(CA1)を混合した樹脂結合剤を準備した。
前記製造例1のフタロニトリル化合物(PN1)の1モル対比0.2モルの比率で前記製造例4の硬化剤(CA2)を混合した樹脂結合剤を準備した。
前記製造例1のフタロニトリル化合物(PN1)の1モル対比0.2モルの比率で前記製造例5の硬化剤(CA3)を混合した樹脂結合剤を準備した。
前記製造例2のフタロニトリル化合物(PN2)の1モル対比0.2モルの比率で前記製造例3の硬化剤(CA1)を混合した樹脂結合剤を準備した。
前記製造例2のフタロニトリル化合物(PN2)の1モル対比0.2モルの比率で前記製造例4の硬化剤(CA2)を混合した樹脂結合剤を準備した。
前記製造例2のフタロニトリル化合物(PN2)の1モル対比0.2モルの比率で前記製造例5の硬化剤(CA3)を混合した樹脂結合剤を準備した。
研磨粒子として平均粒径100μmのダイヤモンド粒子25重量%、充填剤として銅50重量%、およびフェノールレジン25重量%を混合して、研削工具用樹脂組成物を製造した。
研磨粒子として平均粒径100μmのダイヤモンド粒子25重量%、充填剤として銅50重量%、およびポリイミド樹脂25重量%を混合して、研削工具用樹脂組成物を製造した。
製造例1〜5で得られたPN1〜PN2およびCA1〜CA3化合物に対して、Agilent社の500MHz NMR装備を用いて、製造会社のマニュアル通りに1H−NMR分析を行った。NMR測定のためのサンプルは、対象化合物をDMSO(dimethyl sulfoxide)−d6に溶解させて製造した。各化合物に対する1H−NMR分析結果を図1〜5に示した。
TGA(thermogravimetric analysis)により研削工具用研削層試験片に対する熱安定性(熱分解程度)を評価し、その結果を下記表1に示した。
HDT(heat deflection temperature)測定により研削工具用樹脂結合剤に対する耐熱性を評価し、その結果を下記表1に示した。
前記実施例および比較例における各樹脂組成物を用いた研削工具用研削層試験片の製造時、加工工程の複雑性の有無を評価した。
Claims (5)
- 前記研磨粒子は、天然ダイヤモンド、合成ダイヤモンド、窒化ホウ素、立方晶窒化ホウ素(CBN)、アルミナ、シリカ、シリコンカーバイド、アルミナ−ジルコニア、チタニウムジボライド、およびボロンカーバイドからなる群より選択された1種以上の粒子である、請求項1に記載の研削工具用樹脂組成物。
- 前記充填剤は、銅、タングステン、酸化鉄、銅−スズ合金、シリコンカーバイド、アルミナ、方解石、泥灰岩、大理石、石灰石、クリオライト、シリカ、シリケート、メタルカーボネート、メタルスルフェート、メタルスルファイト、メタルオキシド、塩化ナトリウム、塩化マグネシウム、二硫化鉄、二硫化モリブデン、三硫化アンチモン、黒鉛、ガラス繊維、タングステンスルフィド、シランカップリングエージェント、チタネートカップリングエージェント、ジルコネートカップリングエージェント、ジルコアルミネートカップリングエージェント、および炭素繊維からなる群より選択された1種以上の充填剤である、請求項1に記載の研削工具用樹脂組成物。
- 20〜60重量%の前記研磨粒子、
10〜60重量%の前記充填剤、および
10〜50重量%の前記樹脂結合剤を含む、請求項1に記載の研削工具用樹脂組成物。 - 請求項1に記載の樹脂組成物で製造された研削工具。
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KR10-2018-0058367 | 2018-05-23 | ||
PCT/KR2018/005914 WO2018217038A1 (ko) | 2017-05-24 | 2018-05-24 | 연삭 공구용 수지 조성물 및 상기 수지 조성물로 제조된 연삭 공구 |
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US4244857A (en) * | 1979-08-30 | 1981-01-13 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Curing agent for polyepoxides and epoxy resins and composites cured therewith |
WO2009058274A1 (en) * | 2007-10-29 | 2009-05-07 | Ekc Technology, Inc. | Chemical mechanical polishing and wafer cleaning composition comprising amidoxime compounds and associated method for use |
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