JP2009538383A - 高密度ポリエチレン組成物およびそれを作製するための方法 - Google Patents
高密度ポリエチレン組成物およびそれを作製するための方法 Download PDFInfo
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- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/0001—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor characterised by the choice of material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/04—Polymers of ethylene
- B29K2023/06—PE, i.e. polyethylene
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- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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Abstract
Description
本出願は、2006年5月23日出願、標題「HIGH-DENSITY POLYETHYLENE COMPOSITIONS AND METHOD OF MAKING THE SAME」の米国特許出願第11/438,754号の優先権を主張する非仮出願であり、その教示は、本明細書の下文において完全に再現されるように本明細書に援用される。
試験方法には、以下が含まれる。
密度は、ASTM D 792−03、方法Bに従って、イソプロパノール中で測定された。
Mポリエチレン=A×(Mポリスチレン)B、
式中、Mは分子量であり、Aの値は0.41であり、Bは1.0に等しい。多検出器オフセットを決定するための系統的アプローチを、バルク、モーレイらに公開されている様式(Mourey and Balke, Chromatography Polym, Chpt 12, (1992)およびBalke, Thitiratsakul, Lew, Cheung, Mourey, Chromatography Polym. Chpt 13, (1992))に一致する様式で、自社ソフトウェアを用いてダウ製広ポリスチレン1683からの二重検出器のログ結果を、狭標準較正曲線からの狭標準カラム較正結果に最適化して行った。オフセット決定のための分子量データは、ジム(Zimm,B.H., J.Chem. Phys., 16, 1099 (1948))およびクラフトビル(Kratochvil, P., Classical Light Scattering from Polymer Solutions, Elsevier, Oxford, NY (1987))により公開されるものに一致する様式で得た。分子量の決定のために用いられた全注入濃度は、NISTポリエチレンホモポリマー標準品1475を参照して測定された115,000g/モルの分子量の線形ポリエチレンホモポリマーからのサンプル屈折率面積および屈折率検出器較正から得た。クロマトグラフィー濃度は、第2ビリアル係数効果(分子量に対する濃度効果)への対処を排除するために十分低いと想定された。分子量計算は自社ソフトウェアを用いて行った。数平均分子量、重量平均分子量、およびz平均分子量の計算は、屈折計シグナルが重量分率に正比例すると仮定して、以下の方程式に従って行った。ベースラインを減算した屈折計シグナルを下の方程式中の重量分率に直接置き換えることができる。分子量は従来型の較正曲線または光散乱対屈折計比からの絶対分子量から得られることに留意する。z平均分子量の改善された推定値、ベースラインを減算した光散乱シグナルは、下の方程式(2)中の重量平均分子量と重量分率の積に代入することができる。
LCカラムは、Keystone Scientific製Thermo Hypersilであった;
充填剤は、Waters Spherisorb ODS 2であった;
カラムサイズは、150×4.6mmであった;
孔径は、80Aであった;かつ
粒径は、3umであった。
初期溶媒は、水30%、アセトニトリル70%であった;
100%アセトニトリル10分;
80%アセトニトリル、20%イソプロパノール15分;
合計実行時間は、20分であった;
流速は、1ml/分であった;
I−1076に適した波長がモニターされた;さらに
注入量は5ulであった。
各添加剤についての較正は、イソプロパノール中に既知濃度を作製することにより行った。
Claims (16)
- 密度が0.935〜0.952g/cm3の範囲であり、メルトインデックス(I2)が30〜75g/10分の範囲であり、I21/I2比が13〜35の範囲であり、Mw/Mn比が3.5〜8の範囲である高分子量エチレンα−オレフィンコポリマーを含む高密度ポリエチレン組成物であって;
前記高密度ポリエチレン組成物の脆化温度が少なくとも−20℃未満である、高密度ポリエチレン組成物。 - 前記高密度ポリエチレン組成物の脆化温度が少なくとも−45℃未満である、請求項1に記載の高密度ポリエチレン組成物。
- 前記高密度ポリエチレン組成物のIDI衝撃が、−40℃にてピークエネルギーで26.5インチポンドより大きく、総エネルギーで31.5インチポンドより大きい、請求項1に記載の高密度ポリエチレン組成物。
- 前記高密度ポリエチレン組成物が、少なくとも−20℃未満の温度にて衝撃で吸収される、改良された総エネルギーを提供するために適合している、請求項1に記載の高密度ポリエチレン組成物。
- エチレン、およびα−オレフィンコモノマーを反応器へ導入する工程と;
前記エチレンと前記α−オレフィンコモノマーを前記反応器中で共重合させ、それにより前記高密度ポリエチレン組成物を作製する工程と
を含む高密度ポリエチレン組成物を作製する方法であって、前記高密度ポリエチレン組成物の密度が0.935〜0.952g/cm3の範囲であり、メルトインデックス(I2)が30〜75g/10分の範囲であり、I21/I2比が13〜35の範囲であり、Mw/Mn比が3.5〜8の範囲であり、かつ、脆化温度が少なくとも−20℃未満である、方法。 - 前記反応器が気相反応器である、請求項5に記載の高密度ポリエチレン組成物を作製する方法。
- 前記高密度ポリエチレン組成物の脆化温度が少なくとも−45℃未満である、請求項5に記載の高密度ポリエチレン組成物を作製する方法。
- 前記高密度ポリエチレン組成物が、少なくとも−20℃未満の温度にて、衝撃で吸収される、改良された総エネルギーを提供するために適合している、請求項5に記載の高密度ポリエチレン組成物を作製する方法。
- 前記高密度ポリエチレン組成物のIDI衝撃が、−40℃にてピークエネルギーで26.5インチポンドより大きく、総エネルギーで31.5インチポンドより大きい、請求項5に記載の高密度ポリエチレン組成物を作製する方法。
- 密度が0.935〜0.952g/cm3の範囲であり、メルトインデックス(I2)が30〜75g/10分の範囲であり、I21/I2比が13〜35の範囲であり、Mw/Mn比が3.5〜8の範囲である高分子量エチレンα−オレフィンコポリマーを含む高密度ポリエチレン組成物であって;
前記高密度ポリエチレン組成物の脆化温度が少なくとも−20℃未満である、
高密度ポリエチレン組成物を含む製品。 - 前記製品が射出成形された製品である、請求項10に記載の製品。
- 前記射出成形された製品が、食品容器または非食品容器として用いられる、請求項11に記載の製品。
- 密度が0.935〜0.952g/cm3の範囲であり、メルトインデックス(I2)が30〜75g/10分の範囲であり、I21/I2比が13〜35の範囲であり、Mw/Mn比が3.5〜8の範囲であり、脆化温度が少なくとも−20℃未満である高密度ポリエチレン組成物を提供する工程と;
前記高密度ポリエチレン組成物を製品に射出成形する工程と
を含む、製品を作製するための方法。 - 前記高密度ポリエチレン組成物の脆化温度が少なくとも−45℃未満である、請求項13に記載の製品を作製するための方法。
- 前記高密度ポリエチレン組成物が、少なくとも−20℃未満の温度にて、衝撃で吸収される、改良された総エネルギーを提供するために適合している、請求項13に記載の製品を作製するための方法。
- 前記高密度ポリエチレン組成物が、−40℃にて、ピークエネルギーで26.5インチポンドより大きく、総エネルギーで31.5インチポンドより大きいIDI衝撃を提供するよう適合している、請求項13に記載の製品を作製するための方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/438,754 US7456244B2 (en) | 2006-05-23 | 2006-05-23 | High-density polyethylene compositions and method of making the same |
PCT/US2007/068952 WO2007140114A2 (en) | 2006-05-23 | 2007-05-15 | High-density polyethylene compositions and method of making the same |
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JP2009538383A true JP2009538383A (ja) | 2009-11-05 |
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JP2009512220A Ceased JP2009538383A (ja) | 2006-05-23 | 2007-05-15 | 高密度ポリエチレン組成物およびそれを作製するための方法 |
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US (2) | US7456244B2 (ja) |
EP (1) | EP2027167B1 (ja) |
JP (1) | JP2009538383A (ja) |
KR (1) | KR20090023402A (ja) |
CN (1) | CN101490115B (ja) |
AU (1) | AU2007267730A1 (ja) |
BR (1) | BRPI0711215B1 (ja) |
CA (1) | CA2652812C (ja) |
MX (1) | MX2008014834A (ja) |
MY (1) | MY145620A (ja) |
NO (1) | NO20084883L (ja) |
RU (1) | RU2434887C2 (ja) |
WO (1) | WO2007140114A2 (ja) |
ZA (1) | ZA200809959B (ja) |
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CN106459526B (zh) * | 2014-06-24 | 2020-05-29 | 巴塞尔聚烯烃股份有限公司 | 用于注塑成型的聚乙烯组合物 |
US9765164B2 (en) | 2014-06-27 | 2017-09-19 | Dow Global Technologies Llc | Polyolefin compositions and uses thereof |
AU2015258191B2 (en) | 2014-11-19 | 2020-02-27 | Flexopack S.A. | Oven skin packaging process |
BR112017017359B1 (pt) | 2015-02-25 | 2022-02-22 | Union Carbide Corporation | Condutor revestido |
US20180171049A1 (en) * | 2016-12-16 | 2018-06-21 | Exxonmobil Chemical Patents Inc. | Methods for Making High Density Polyethylene Compositions |
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EP3501822A1 (en) | 2017-12-22 | 2019-06-26 | Flexopack S.A. | Fibc liner film |
US10738182B2 (en) | 2018-04-23 | 2020-08-11 | Dow Global Technologies Llc | Molded articles and methods thereof |
US11376575B2 (en) * | 2018-09-17 | 2022-07-05 | Chevron Phillips Chemical Company Lp | Modified supported chromium catalysts and ethylene-based polymers produced therefrom |
CN109866381A (zh) * | 2019-03-07 | 2019-06-11 | 上海群骊企业(集团)有限公司 | 一种集装桶注塑成型工艺 |
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US7456244B2 (en) | 2008-11-25 |
US20090076236A1 (en) | 2009-03-19 |
MY145620A (en) | 2012-03-15 |
AU2007267730A1 (en) | 2007-12-06 |
KR20090023402A (ko) | 2009-03-04 |
RU2008150856A (ru) | 2010-06-27 |
RU2434887C2 (ru) | 2011-11-27 |
NO20084883L (no) | 2008-12-19 |
BRPI0711215A2 (pt) | 2011-08-23 |
EP2027167B1 (en) | 2012-10-24 |
EP2027167A2 (en) | 2009-02-25 |
MX2008014834A (es) | 2009-01-30 |
CA2652812C (en) | 2014-10-14 |
WO2007140114A3 (en) | 2008-04-10 |
CN101490115B (zh) | 2012-11-21 |
CN101490115A (zh) | 2009-07-22 |
US20070276110A1 (en) | 2007-11-29 |
BRPI0711215B1 (pt) | 2018-03-06 |
ZA200809959B (en) | 2010-02-24 |
US7560524B2 (en) | 2009-07-14 |
CA2652812A1 (en) | 2007-12-06 |
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