JP2021527728A - 高分子量高密度画分を有するバイモーダルエチレン系ポリマーの生成プロセス - Google Patents
高分子量高密度画分を有するバイモーダルエチレン系ポリマーの生成プロセス Download PDFInfo
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- JP2021527728A JP2021527728A JP2020568531A JP2020568531A JP2021527728A JP 2021527728 A JP2021527728 A JP 2021527728A JP 2020568531 A JP2020568531 A JP 2020568531A JP 2020568531 A JP2020568531 A JP 2020568531A JP 2021527728 A JP2021527728 A JP 2021527728A
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- 125000003037 imidazol-2-yl group Chemical group [H]N1C([*])=NC([H])=C1[H] 0.000 description 1
- 125000003427 indacenyl group Chemical group 0.000 description 1
- 125000003392 indanyl group Chemical group C1(CCC2=CC=CC=C12)* 0.000 description 1
- 125000003454 indenyl group Chemical group C1(C=CC2=CC=CC=C12)* 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- 125000005647 linker group Chemical group 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- WRYKIHMRDIOPSI-UHFFFAOYSA-N magnesium;benzene Chemical compound [Mg+2].C1=CC=[C-]C=C1.C1=CC=[C-]C=C1 WRYKIHMRDIOPSI-UHFFFAOYSA-N 0.000 description 1
- VCTCXZDCRFISFF-UHFFFAOYSA-N magnesium;butane;butane Chemical compound [Mg+2].CCC[CH2-].CC[CH-]C VCTCXZDCRFISFF-UHFFFAOYSA-N 0.000 description 1
- WCFJMDWWJOCLSJ-UHFFFAOYSA-N magnesium;methanidylbenzene Chemical compound [Mg+2].[CH2-]C1=CC=CC=C1.[CH2-]C1=CC=CC=C1 WCFJMDWWJOCLSJ-UHFFFAOYSA-N 0.000 description 1
- KMYFNYFIPIGQQZ-UHFFFAOYSA-N magnesium;octane Chemical compound [Mg+2].CCCCCCC[CH2-].CCCCCCC[CH2-] KMYFNYFIPIGQQZ-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- DQZLQYHGCKLKGU-UHFFFAOYSA-N magnesium;propane Chemical compound [Mg+2].C[CH-]C.C[CH-]C DQZLQYHGCKLKGU-UHFFFAOYSA-N 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910001507 metal halide Inorganic materials 0.000 description 1
- 150000005309 metal halides Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- CPOFMOWDMVWCLF-UHFFFAOYSA-N methyl(oxo)alumane Chemical class C[Al]=O CPOFMOWDMVWCLF-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001280 n-hexyl group Chemical group C(CCCCC)* 0.000 description 1
- VFLWKHBYVIUAMP-UHFFFAOYSA-N n-methyl-n-octadecyloctadecan-1-amine Chemical compound CCCCCCCCCCCCCCCCCCN(C)CCCCCCCCCCCCCCCCCC VFLWKHBYVIUAMP-UHFFFAOYSA-N 0.000 description 1
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001624 naphthyl group Chemical group 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- AHHWIHXENZJRFG-UHFFFAOYSA-N oxetane Chemical compound C1COC1 AHHWIHXENZJRFG-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 125000000538 pentafluorophenyl group Chemical group FC1=C(F)C(F)=C(*)C(F)=C1F 0.000 description 1
- 125000002081 peroxide group Chemical group 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 239000012005 post-metallocene catalyst Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 229910052714 tellurium Inorganic materials 0.000 description 1
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 description 1
- 229920001897 terpolymer Polymers 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 125000001712 tetrahydronaphthyl group Chemical group C1(CCCC2=CC=CC=C12)* 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003623 transition metal compounds Chemical class 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- UORVGPXVDQYIDP-UHFFFAOYSA-N trihydridoboron Substances B UORVGPXVDQYIDP-UHFFFAOYSA-N 0.000 description 1
- MCULRUJILOGHCJ-UHFFFAOYSA-N triisobutylaluminium Chemical compound CC(C)C[Al](CC(C)C)CC(C)C MCULRUJILOGHCJ-UHFFFAOYSA-N 0.000 description 1
- 125000003258 trimethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])[*:1] 0.000 description 1
- 229920001866 very low density polyethylene Polymers 0.000 description 1
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Abstract
【選択図】図2
Description
本出願は、2018年6月15日に出願された米国仮特許出願第62/685,536号に対する優先権を主張し、その全体が参照により本明細書に組み込まれる。
「ポリマー」という用語は、同一または異なる種類のモノマーに関わらず、モノマーを重合することによって調製されたポリマー化合物を指す。このため、総称のポリマーは、通常、1種類のみのモノマーから調製されたポリマーを指すために用いられる「ホモポリマー」という用語、および2種類以上の異なるモノマーから調製されたポリマーを指す「コポリマー」を包含する。本明細書で使用される場合、「インターポリマー」という用語は、少なくとも2つの異なるタイプのモノマーの重合によって調製されるポリマーを指す。したがって、総称であるインターポリマーという用語は、コポリマーと、ターポリマー等の3種類以上の異なるモノマーから調製されるポリマーとを含む。
ここで、本明細書に開示および記載された実施形態に従って、高分子量高密度画分を有するバイモーダルエチレン系ポリマーを生成するためのシステムを詳細に参照する。
ここで、本明細書に開示および記載された実施形態による高分子量高密度画分を有するバイモーダルエチレン系ポリマーを生成するために上記に開示された実施形態のシステムで使用される方法および構成要素を詳細に参照する。
ここで、本明細書に開示および記載された実施形態に従って生成されたバイモーダルエチレン系ポリマーの例示的な特性が提供される。上記のように、特定の理論に拘束されることなく、以下に列挙される例示的な特性の組み合わせは、上記に開示および説明されたプロセスおよびシステムによって可能になると考えられる。
試験方法は、以下を含む。
バイモーダルエチレン系ポリマーのメルトインデックス(I2)値を、ASTM D1238に従って、190℃、2.16kgで測定した。同様に、バイモーダルエチレン系ポリマーのメルトインデックス(I10)値を、ASTM D1238に従って、190℃、10kgで測定した。値はg/10分で報告し、g/10分は10分あたりに溶出したグラムに対応する。第1のエチレン系成分、第2のエチレン系成分、および第3のエチレン系成分のメルトインデックス(I2)の値を、等式30および下記の方法論に従って計算した。
バイモーダルエチレン系ポリマーの密度測定を、ASTM D792、方法Bに従って行った。第1および第2のエチレン系成分については、式28および下記の方法論を用いて密度の値を得た。第3のエチレン系成分について、密度値は式29を使用して計算した。
クロマトグラフィーシステムは、内部IR5赤外線検出器(IR5)を装備したPolymerChar GPC−IR(スペイン、バレンシア)の高温GPCクロマトグラフで構成された。オートサンプラーオーブンコンパートメントを160℃に設定し、カラムコンパートメントを150℃に設定した。使用したカラムは、4つのAgilent「Mixed A」30cm、20ミクロンの直線状混床式カラムであった。使用したクロマトグラフィー溶媒は、1,2,4−トリクロロベンゼンであり、200ppmのブチル化ヒドロキシトルエン(BHT)を含有した。溶媒源は、窒素注入された。使用した注入体積は200マイクロリットルであり、流量は1.0ミリリットル/分であった。
IR5検出器の定量の較正を、ホモポリマー(0SCB/総炭素数1000個)から約50SCB/総炭素数1000個(総炭素数は、主鎖中の炭素+分岐中の炭素に等しい)の範囲の既知の短鎖分岐(SCB)頻度(参照材料のコモノマー含有量は、例えば、参照により本明細書に組み込まれる米国特許第5,292,845号(Kawasaki,et al.)およびRev.Macromol.Chem.Phys.,C29,201−317においてJ.C.Randallによって記載されている技術に従って、13C NMR分析を使用して決定される)の少なくとも10個のエチレン系ポリマー標準(エチレン系ポリマーホモポリマーおよびエチレン/オクテンコポリマー)を使用して実施した。各標準は、GPCによって測定された、36,000g/モル〜126,000g/モルの重量平均分子量を有し、2.0〜2.5の分子量分布を有していた。典型的なコポリマー標準の特性と測定値を表Aに示す。
コモノマー分布分析は、通常、短鎖分岐分布(SCBD)とも呼ばれ、この分布を、IR(IR−4またはIR−5)検出器(PolymerChar、スペイン)および2角度式光散乱検出器モデル2040(Precision Detectors、現在はAgilent Technologies)を装備した結晶化溶出分別(CEF)(PolymerChar、スペイン)(参照によりその全体が本明細書に組み込まれる、Monrabal et al,Macromol.Symp.257,71−79(2007))で測定した。600ppmの酸化防止剤であるブチル化ヒドロキシトルエン(BHT)を含む蒸留した無水オルト−ジクロロベンゼン(ODCB)を溶媒として使用した。N2パージ機能を備えたオートサンプラーの場合、BHTは追加されなかった。検出器オーブン内のIR検出器のすぐ前に、GPCガードカラム(20ミクロン、または10ミクロン、50×7.5mm)(Agilent Technologies)を設置する。試料調製は、160℃で2時間の振盪下で、4mg/ml(特に指示がない限り)でオートサンプラーによって行う。注入体積は、300μLである。CEFの温度プロファイルは、3℃/分で110℃〜30℃での結晶化、30℃で5分間の熱平衡、3℃/分で30℃〜140℃での溶出である。結晶化中の流量は、0.052ml/分である。溶出中の流量は、0.50ml/分である。データは、1データポイント/秒で収集する。
短鎖分岐分布を説明する追加のパラメータは、CEF半値全幅である。これは、以下に概説する手順によって行われる。
ゼロせん断粘度比は、以下の式18に従って、等価重量平均分子量(Mw(従来のgpc))における分岐ポリエチレン材料のゼロせん断粘度(ZSV)対直鎖ポリエチレン材料のZSVの比として定義される(下記のANTEC議事録を参照)。
バイモーダルエチレン系ポリマーを、第1の反応器としてループ反応器、および第2の反応器としてプラグフロー反応器を使用して形成した。第1の反応器への供給流は、1206ポンド/時(ポンド/時)のISOPAR−E溶媒、206ポンド/時のエチレンモノマー、82ポンド/時のヘキセンを含んでいた。水素も、6200sccmで第1の反応器に導入された。第1の反応器出口のエチレン濃度は、30g/Lであった。第1の反応器に導入された第1の触媒は、プロ触媒および共触媒を含んでいた。プロ触媒は、以下の構造を有する、C67H88O4Zr、ジルコニウム、ジメチル[[2,2’’’−[1,3−プロパンジイルビス(オキシ−kO)]ビス[3’’,5,5’’−トリス(1,1−ジメチルエチル)−5’−メチル[1,1’:3’,1’’−ターフェニル]−2’−オラト−kO]](2−)]であった。
必要に応じて、プロ触媒を添加して、反応器出口のエチレン濃度を30g/Lに制御し、プロ触媒配合量は、典型的には、反応器出口で0.09μmol/Lであった。共触媒は、ビス(水素化タローアルキル)メチル、テトラキス(ペンタフルオロフェニル)ボレート(1−)アミンであった。
バイモーダルエチレン系ポリマーを、第1の反応器としてループ反応器、および第2の反応器としてプラグフロー反応器を使用して形成した。第1の反応器への供給流は、1194ポンド/時のISOPAR−E溶剤、206ポンド/時のエチレンモノマー、76ポンド/時のヘキセンを含んでいた。水素も、7635sccmで第1の反応器に導入された。第1の反応器出口のエチレン濃度は、25g/Lであった。第1の反応器に導入された第1の触媒は、プロ触媒および共触媒を含んでいた。プロ触媒は、以下の構造を有する、C67H88O4Zr、ジルコニウム、ジメチル[[2,2’’’−[1,3−プロパンジイルビス(オキシ−kO)]ビス[3’’,5,5’’−トリス(1,1−ジメチルエチル)−5’−メチル[1,1’:3’,1’’−ターフェニル]−2’−オラト−kO]](2−)]であった。
25g/Lのエチレン濃度を維持するために、必要に応じてプロ触媒を添加した。反応器出口での触媒配合量は、約0.12μmol/Lであった。共触媒は、ビス(水素化タローアルキル)メチル、テトラキス(ペンタフルオロフェニル)ボレート(1−)アミンであった。
バイモーダルエチレン系ポリマーを、第1の反応器としてループ反応器、および第2の反応器としてプラグフロー反応器を使用して形成した。第1の反応器への供給流は、779ポンド/時(ポンド/時)のISOPAR−E溶剤、133ポンド/時のエチレンモノマー、および41ポンド/時のオクテンを含んでいた。水素も、13,412sccmで第1の反応器に導入された。流出物中のエチレン濃度は27g/Lであった。第1の反応器に導入された第1の触媒は、プロ触媒および共触媒を含んでいた。プロ触媒は、ハフニウム、[[2’,2’’’−[1,4−ブタンジイルビス(オキシ−カッパ.O)]ビス[3−(9H−カルバゾール−9−イル)−5−メチル[1,1’−ビフェニル]−2−オラト−.カッパ.O]](2−)]ジメチル−
Claims (15)
- バイモーダルエチレン系ポリマーの生成方法であって、
エチレンモノマーおよびC3〜C12α−オレフィンコモノマーを、溶媒中、第1の触媒の存在下、撹拌溶液重合反応器内で反応させて、第1のポリマー画分を生成することと、
前記撹拌溶液重合反応器から流出物を産出することであって、流出物が、前記第1のポリマー画分、未反応のエチレンモノマー、および未反応のC3〜C12α−オレフィンコモノマーを含む、産出することと、
第2の触媒を、前記撹拌溶液重合反応器の下流および非撹拌溶液重合反応器の上流の前記流出物に添加することであって、前記第2の触媒が、前記未反応のエチレンモノマーおよび未反応のC3〜C12α−オレフィンコモノマーの反応をさらに促進して、前記第1のポリマー画分とは異なる密度およびメルトインデックス(I2)を有する第2のポリマー画分を生成し、前記第2の触媒と流出物とが、前記撹拌溶液重合反応器の下流および前記非撹拌溶液重合反応器の上流の少なくとも1つのミキサー内で混合する、添加することと、
前記第2の触媒、第2のポリマー画分、および前記第1のポリマー画分を、前記非撹拌溶液重合反応器に移送することと、
追加のエチレンモノマー、追加のC3〜C12α−オレフィンコモノマー、および溶媒を、前記非撹拌溶液重合反応器に移送することであって、前記追加のエチレンモノマー、追加のC3〜C12α−オレフィンコモノマーが、前記第2の触媒の存在下で反応して、より多くの第2のポリマー画分、およびそれによる前記バイモーダルエチレン系ポリマーを生成し、前記バイモーダルエチレン系ポリマーが、前記第1のポリマー画分および前記第2のポリマー画分を含む、移送することと、を含む、方法。 - 前記撹拌溶液重合反応器が、連続撹拌槽反応器(CSTR)またはループ反応器である、請求項1に記載の方法。
- 前記非撹拌溶液重合反応器が、管状反応器である、請求項1または2のいずれか1項に記載の方法。
- 前記第1の触媒が、分子触媒である、請求項1〜3のいずれか1項に記載の方法。
- 前記第2の触媒が、チーグラー・ナッタ触媒である、請求項1〜4のいずれか1項に記載の方法。
- 前記第2の触媒が、分子触媒である、請求項1〜5のいずれか1項に記載の方法。
- 前記少なくとも1つのミキサーが、フローシェイパーまたはスタティックミキサーである、請求項6に記載の方法。
- 水素が、前記撹拌溶液重合反応器に供給される、請求項1〜7のいずれか1項に記載の方法。
- 前記第1のポリマー画分が、前記第2のポリマー画分の密度およびメルトインデックス(I2)よりも低い前記密度およびメルトインデックス(I2)を有する、請求項1〜8のいずれか1項に記載の方法。
- 前記バイモーダルエチレン系ポリマーが、70〜92重量%の前記第1のポリマー画分、および8〜30重量%の前記第2のポリマー画分を含むバイモーダルエチレン系ポリマーである、請求項1〜9のいずれか1項に記載の方法。
- 第3の触媒を、前記撹拌溶液重合反応器に供給することをさらに含み、前記第3の触媒が、第3のポリマー画分の重合を促進する、請求項1〜10のいずれか1項に記載の方法。
- エチレンが、前記撹拌溶液重合反応器の下流および前記非撹拌溶液重合反応器の上流に導入される、請求項1〜11のいずれか1項に記載の方法。
- 前記バイモーダルエチレン系ポリマーの密度が、0.870〜0.970g/ccである、請求項1〜12のいずれか1項に記載の方法。
- 前記バイモーダルエチレン系ポリマーのメルトインデックス(I2)が、0.5g/10分〜50g/10分である、請求項1〜13のいずれか1項に記載の方法。
- 前記バイモーダルエチレン系ポリマーのメルトインデックス比(I10/I2)が、5.5〜7.5である、請求項1〜14のいずれか1項に記載の方法。
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US20210253757A1 (en) | 2021-08-19 |
BR112020025506A2 (pt) | 2021-03-09 |
EP3807332A1 (en) | 2021-04-21 |
CN112399976A (zh) | 2021-02-23 |
SG11202012176XA (en) | 2021-01-28 |
US11814456B2 (en) | 2023-11-14 |
BR112020025506B1 (pt) | 2024-01-23 |
JP7406513B2 (ja) | 2023-12-27 |
KR20210021353A (ko) | 2021-02-25 |
WO2019241515A1 (en) | 2019-12-19 |
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