JP2019529664A - オレフィンを重合する方法 - Google Patents
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Abstract
Description
Claims (13)
- 同一反応器内でチーグラー−ナッタ触媒と非担持分子触媒とを同時に使用してオレフィンを重合する方法であって、前記方法は、前記反応器中の少なくとも1つの重合性オレフィンを、飽和または芳香族炭化水素液中で前記チーグラー−ナッタ触媒および前記非担持分子触媒と有効条件下で同時に接触させて、前記チーグラー−ナッタ触媒によって触媒される第1の重合反応によって生成される第1のポリオレフィンと、前記非担持分子によって触媒される第2の重合反応によって生成される第2のポリオレフィンとの混合物を含むポリオレフィン生成物を得ることを含む、方法。
- 前記チーグラー−ナッタ触媒が、本質的に(C)飽和または芳香族炭化水素液中の(A)ヒドロカルビルアルミノキサンと(B)ハロゲン化マグネシウム担持チタン前駆触媒との第1の活性化反応の生成物からなる強化チーグラー−ナッタ触媒であるか、または前記チーグラー−ナッタ触媒がハロゲン化マグネシウム担持チタン触媒であり、前記ハロゲン化マグネシウム担持チタン触媒が、(B)ハロゲン化マグネシウム担持チタン前駆触媒とトリアルキルアルミニウム化合物との第2の活性化反応の生成物であり、ここで、前記(B)ハロゲン化マグネシウム担持チタン前駆触媒は、前記(C)飽和もしくは芳香族炭化水素液中で(D)本質的にハロゲン化マグネシウムからなる固体微粒子を(E)四塩化チタンと接触させることによって、前記(B)ハロゲン化マグネシウム担持チタン前駆触媒を得るように調製され、かつ前記非担持分子触媒は、本質的に、非担持分子配位子−金属錯体前駆触媒と(A)ヒドロカルビルアルミノキサンとの第3の活性化反応の生成物からなる、請求項1に記載の方法。
- 前記接触が、(i)前記チーグラー−ナッタ触媒の第1の供給原料および前記非担持分子触媒の第2の供給原料を、前記少なくとも1つの重合性オレフィンを含有する前記反応器に添加することであって、前記第1の供給原料と前記第2の供給原料とは異なるものである、添加することか、(ii)前記チーグラー−ナッタ触媒の第1の供給原料を前記反応器に添加し、前記反応器内でその場で前記非担持分子触媒を調製することであって、前記非担持分子触媒は、前記非担持分子配位子−金属錯体前駆触媒を含有する第3の供給原料、および前記(A)ヒドロカルビルアルミノキサンを含有する第4の供給原料を、前記少なくとも1つの重合性オレフィンを含有する反応器へ添加することによって、前記反応器内でその場で調製され、前記第1の供給原料と前記第3の供給原料とは同じもしくは異なるものであり、かつ前記第1の供給原料と前記第4の供給原料とは同じもしくは異なるものであり、但し前記第3の供給原料と第4の供給原料とは異なるものである、調製することか、(iii)前記非担持分子触媒の第2供給原料を前記反応器に添加し、前記反応器内でその場でチーグラー−ナッタ触媒を調製することであって、前記チーグラー−ナッタ触媒は、(C)飽和または芳香族炭化水素液中の前記(B)ハロゲン化マグネシウム担持チタン前駆触媒の懸濁液を含有し、かつトリアルキルアルミニウムを含まない(それを欠く)第5の供給原料、および(A)ヒドロカルビルアルミノキサンを含有し、かつトリアルキルアルミニウムを含有する第6の供給原料を、前記少なくとも1つの重合性オレフィンを含有する前記反応器へ添加することによって、調製され、前記第2の供給原料と前記第5の供給原料とは同じもしくは異なるものであり、前記第2の供給原料と前記第6の供給原料とは同じもしくは異なるものであり、但し前記第5の供給原料と前記第6の供給原料とは異なるものである、調製することか、あるいは(iv)(C)飽和または芳香族炭化水素液中の前記(B)ハロゲン化マグネシウム担持チタン前駆触媒と前記非担持分子配位子−金属錯体前駆触媒との懸濁液の第7の供給原料および前記(A)ヒドロカルビルアルミノキサン、または前記(A)ヒドロカルビルアルミノキサンと前記トリアルキルアルミニウムとの混合物の第8の供給材料を、前記少なくとも1つの重合性オレフィンを含有する前記反応器へ添加することであって、前記第7の供給原料と前記第8の供給原料とは異なるものである、添加すること、を含む、請求項1または2に記載の方法。
- 前記第1または第2の活性化反応が、前記(B)ハロゲン化マグネシウム担持チタン前駆触媒のうちの少なくとも1つを(G)有機ホウ酸塩または(H)有機ホウ素と接触させることをさらに含み、かつ/または前記第3の活性化反応が、前記非担持分子配位子−金属錯体前駆触媒を(G)有機ホウ酸塩または(H)有機ホウ素と接触させることをさらに含む、請求項2または3に記載の方法。
- (i)前記少なくとも1つの重合性オレフィンがエチレンであり、前記ポリオレフィン生成物がポリエチレンを含み、(ii)前記少なくとも1つの重合性オレフィンが少なくとも1つの(C3−C40)アルファ−オレフィンであり、前記ポリオレフィン生成物がポリ((C3−C40)アルファ−オレフィン)を含み、または(iii)前記少なくとも1つの重合性オレフィンがエチレンと少なくとも1つの(C3−C40)アルファ−オレフィンとの組み合わせを含み、前記ポリオレフィン生成物がポリ(エチレン−コ−(C3−C40)アルファ−オレフィン)コポリマーを含む、請求項1〜4のいずれか一項に記載の方法。
- (i)前記(B)ハロゲン化マグネシウム担持チタン前駆触媒が、Alを含まず(Al/Mgモル比=0)、(ii)前記(B)ハロゲン化マグネシウム担持チタン前駆触媒が、>0〜<0.05のAl/Mgモル比を有し、(iii)前記(B)ハロゲン化マグネシウム担持チタン前駆触媒の前記ハロゲン化マグネシウムが、塩化マグネシウムであり、(iv)前記(B)マグネシウムハライド担持チタン前駆触媒の前記マグネシウムハライドが、臭化マグネシウムであり、(v)(i)と(iii)との両方であり、(vi)(i)と(iv)との両方であり、(vii)(ii)と(iii)との両方であり、(viii)(ii)と(iv)との両方である、請求項1〜5のいずれか一項に記載の方法。
- (i)ハロゲン化マグネシウムから本質的になる前記(D)固体微粒子は、ブルナウアー、エメット、テラー(BET)表面積が、BET表面積法により測定したとき、グラムあたり≧200平方メートル(m2/g)であるか、あるいは(ii)ハロゲン化マグネシウムから本質的になる前記(D)固体微粒子が、前記(C)飽和または芳香族炭化水素液に溶解した(F)ジアルキルマグネシウム化合物の溶液を1.95〜2.05モル当量のハロゲン化水素と接触させることによって調製されて、前記(C)飽和または芳香族炭化水素液中のハロゲン化マグネシウムから本質的になる前記(D)固体微粒子の懸濁液を得るか、あるいは(iii)(i)と(ii)との両方である、請求項1〜6のいずれか一項に記載の方法。
- 前記(C)飽和または芳香族炭化水素液が、(i)飽和炭化水素液、または(ii)芳香族炭化水素液、または(iii)飽和炭化水素液と芳香族炭化水素液の混合物である、請求項1〜7のいずれか一項に記載の方法。
- 前記(A)ヒドロカルビルアルミノキサンが、アルキルアルミノキサン、ポリメチルアルミノキサン、アリールアルミノキサン、アラルキルアルミノキサン、またはそれらの2つ以上の組み合わせである、請求項1〜8のいずれか一項に記載の方法。
- 前記非担持分子配位子−金属錯体前駆触媒が、(i)シクロペンタジエニル配位子−金属錯体前駆触媒、(ii)シクロペンタジエニルを含まない配位子−金属錯体前駆触媒、または(iii)(i)と(ii)との両方の、非担持形態を含む、請求項1〜9のいずれか一項に記載の方法。
- 請求項1〜10のいずれか1項に記載の重合方法によって製造されたポリオレフィン生成物。
- 同時に同一反応器内にて溶液相法で強化チーグラー−ナッタ触媒と非担持または担持分子触媒とを使用してオレフィンを重合する重合方法であって、前記強化チーグラー−ナッタ触媒が本質的に(C)飽和または芳香族炭化水素液中の(A)ヒドロカルビルアルミノキサンと(B)ハロゲン化マグネシウム担持チタン前駆触媒との第1の活性化反応の生成物からなり、前記(B)ハロゲン化マグネシウム担持チタン前駆触媒が、(C)飽和または芳香族炭化水素液中、本質的にハロゲン化マグネシウムからなる(D)固体微粒子と、(E)四塩化チタンとを接触させて前記(B)ハロゲン化マグネシウム担持チタン前駆触媒を得るように調製され、かつ前記非担持または担持分子触媒が、非担持または担持分子配位子−金属錯体前駆触媒と(A)ヒドロカルビルアルミノキサンおよび/または(G)有機ホウ酸塩もしくは(H)有機ホウ素との第3の活性化反応の生成物から本質的になり、前記方法が、前記反応器中の前記溶液相の少なくとも1つの重合性オレフィンを効果的な条件下で飽和または芳香族炭化水素液中の前記強化チーグラー−ナッタ触媒および前記非担持または担持分子触媒中で同時に接触させて、前記チーグラー−ナッタ触媒によって触媒される第3の重合反応によって製造された第3のポリオレフィンと、前記非担持または担持分子触媒によって触媒された第4の重合反応によって製造された第4のポリオレフィンとの混合物を含むポリオレフィン生成物を得る、方法。
- 請求項12に記載の強化チーグラー−ナッタ触媒および非担持または担持分子触媒を含む触媒系。
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