JP7026641B2 - 保護樹脂触媒の製造方法 - Google Patents
保護樹脂触媒の製造方法 Download PDFInfo
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- JP7026641B2 JP7026641B2 JP2018563117A JP2018563117A JP7026641B2 JP 7026641 B2 JP7026641 B2 JP 7026641B2 JP 2018563117 A JP2018563117 A JP 2018563117A JP 2018563117 A JP2018563117 A JP 2018563117A JP 7026641 B2 JP7026641 B2 JP 7026641B2
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Description
前記マトリックス粒子は、担持金属触媒およびポリマーを含み、本発明の第一の態様による方法により得ることができ、さらに好ましくは方法が、スラリーを表面上に注ぐ工程、またはスラリーの1つまたは複数の液滴を表面上に落下させる工程を含み、前記表面がスラリーの温度より低い温度を有する。
実施例1に対応する担持還元粉末ニッケル触媒を、WO-A-01/36093で報告されている方法によって製造した。ニッケルおよびアルミナ塩、ケイ酸塩ならびに炭酸ナトリウムを含む溶液を、よく撹拌された沈殿容器中で95℃の温度で混合した。形成されたスラリーのpHは約7.5であり、1時間後に沈殿が完了した。沈殿の洗浄後、触媒の前駆物質をろ過し、100℃のオーブンで乾燥した。触媒を水素で活性化した。結果として生じた保護されていない触媒の組成および物理的特性を、下の表1に記載する。全細孔容積、BET比表面積、HACおよびD(v、0.5)値を上記のように決定した。
実施例1の新たに還元され担持されたニッケル触媒20gを、管状炉反応器に仕込み、60℃の温度に達するまで60dm3/時間のN2フローに供した。その後N2フローを、を加え、175dm3/時間プラス4.5dm3/時間の空気に調整した(安定ガス中0.5vol%の酸素含有量となる)。床温へゆっくりと低下したら、徐々に、N2フローを100dm3/時間に減少させた(安定ガス中の最終的な酸素含有量は1.2vol%となる)。結果として生じた状況を、18時間定常に保った。さらに2時間の100%空気での短い洗浄の後、試料をちり状の微細な粉末として集めた。
100mLガラスビーカー中の20gポリスチレン(Joncryl ADF 1300、BASF、本明細書の上記手法によって決定して、2800g/molの質量平均分子量、56℃のTg、ならびにブルックフィールド粘度計により3番スピンドルを使用して50rpmにて180℃の温度で測定して300cPの粘度を有する)を、140~200℃の温度で溶融し、マグネチックスターラーを使用して500~600ppmで撹拌した。
100mLガラスビーカー中の20gポリスチレン(441147 Sigma-Aldrich、本明細書の上記手法によって決定して、350,000g/molの質量平均分子量、95℃のTg、ならびにブルックフィールド粘度計により3番スピンドルを使用して50rpmにて180℃の温度で測定して2000cP未満の粘度を有する)を、260℃の温度に熱する。
実施例1および保護の例1~2に対応する触媒の触媒性能を、以下の手順によって、Ni負荷に基づく樹脂水素化で試験した。
Claims (17)
- 不活性雰囲気中で担持された金属触媒を溶融ポリマーと接触させ混合し、それによってスラリーを形成することを含む、担持された保護金属触媒の製造方法であって、金属がニッケルを含み、担体が粉末状であり、ポリマーが、1000~35000ダルトンの質量平均分子量、少なくとも50℃のガラス転移温度、およびブルックフィールド粘度計により3番スピンドルを使用して50rpmにて300℃の温度で測定して1000cP以下の粘度を有し、ポリマー使用量が担持された金属触媒(metal catalyst on the support)およびポリマーの合計質量に対して少なくとも60wt%である、担持された保護金属触媒の製造方法。
- ポリマー使用量が、担持された金属触媒およびポリマーの合計質量に対して少なくとも65wt%である、請求項1に記載の方法。
- ポリマー使用量が、担持された金属触媒およびポリマーの合計質量に対して95wt%以下である、請求項1または2のいずれか一項に記載の方法。
- ポリマーが1500~30000ダルトンの質量平均分子量を有する、請求項1から3のいずれか一項に記載の方法。
- ポリマーが、ブルックフィールド粘度計により3番スピンドルを使用して50rpmにて180℃の温度で測定して500cP以下の粘度を有する、請求項1から4のいずれか一項に記載の方法。
- ポリマーが120~300℃の温度に熱することにより溶融する、請求項1から5のいずれか一項に記載の方法。
- 使用されるポリマーがポリスチレンおよび/またはポリスチレンコポリマーである、請求項1から6のいずれか一項に記載の方法。
- 触媒が、担持された金属触媒の質量に対する金属ニッケルとして計算して20~80wt%の量のニッケルを含む、請求項1から7のいずれか一項に記載の方法。
- 担体が、シリカ、アルミナ、ジルコニア、酸化チタン、セリア、酸化マグネシウム、酸化亜鉛、金属ケイ酸塩、金属アルミン酸塩、ゼオライト、およびそれらの組み合わせからなる群より選択される、請求項1から8のいずれか一項に記載の方法。
- 担体の体積メジアン径D(v、0.5)が1~30μmである、請求項1から9のいずれか一項に記載の方法。
- 触媒が1種または複数種の金属助触媒を含み、金属助触媒が、酸化金属として計算して、担持された金属触媒の質量に対して0.25~12wt%の量で存在する、請求項1から10のいずれか一項に記載の方法。
- 担持された保護金属触媒が薄片または液滴の形状である、請求項1から11のいずれか一項に記載の方法。
- 担持された金属触媒およびポリマーを含む、薄片または液滴形状のマトリックス粒子であって、請求項1から12のいずれか一項に記載の方法により得ることができる、マトリックス粒子。
- 1~40mmの平均サイズを有する、請求項13に記載のマトリックス粒子。
- 炭化水素樹脂原料を、請求項1から12に記載の方法により得られる担持された保護金属触媒または請求項13もしくは14に記載のマトリックス粒子の存在下で水素と接触させる、炭化水素樹脂原料の水素化方法。
- 炭化水素樹脂原料がC5またはC9炭化水素樹脂原料である、請求項15に記載の方法。
- 水素化が、請求項1から12に記載の方法により得られる担持された保護金属触媒または請求項13もしくは14に記載のマトリックス粒子を含むスラリー中で行われる、請求項15または16のいずれか一項に記載の方法。
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WO2004035204A1 (en) | 2002-10-18 | 2004-04-29 | Engelhard Corporation | Nickel catalyst for hydrogenation reactions |
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FR2767072B1 (fr) * | 1997-08-11 | 1999-09-10 | Eurecat Europ Retrait Catalys | Protection de catalyseurs par depot de couche protectrice |
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US7749934B2 (en) * | 2005-02-22 | 2010-07-06 | Rohm And Haas Company | Protected catalytic composition and its preparation and use for preparing polymers from ethylenically unsaturated monomers |
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