CA2619924A1 - Preparation of multimodal polyethylene - Google Patents
Preparation of multimodal polyethylene Download PDFInfo
- Publication number
- CA2619924A1 CA2619924A1 CA002619924A CA2619924A CA2619924A1 CA 2619924 A1 CA2619924 A1 CA 2619924A1 CA 002619924 A CA002619924 A CA 002619924A CA 2619924 A CA2619924 A CA 2619924A CA 2619924 A1 CA2619924 A1 CA 2619924A1
- Authority
- CA
- Canada
- Prior art keywords
- resin
- bridged
- catalysts
- molecular weight
- stage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F10/02—Ethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F4/00—Polymerisation catalysts
- C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
- C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
- C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
- C08F4/62—Refractory metals or compounds thereof
- C08F4/64—Titanium, zirconium, hafnium or compounds thereof
- C08F4/659—Component covered by group C08F4/64 containing a transition metal-carbon bond
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F110/00—Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F110/02—Ethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F210/16—Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F4/00—Polymerisation catalysts
- C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
- C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
- C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
- C08F4/62—Refractory metals or compounds thereof
- C08F4/64—Titanium, zirconium, hafnium or compounds thereof
- C08F4/659—Component covered by group C08F4/64 containing a transition metal-carbon bond
- C08F4/65912—Component covered by group C08F4/64 containing a transition metal-carbon bond in combination with an organoaluminium compound
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F4/00—Polymerisation catalysts
- C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
- C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
- C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
- C08F4/62—Refractory metals or compounds thereof
- C08F4/64—Titanium, zirconium, hafnium or compounds thereof
- C08F4/659—Component covered by group C08F4/64 containing a transition metal-carbon bond
- C08F4/65916—Component covered by group C08F4/64 containing a transition metal-carbon bond supported on a carrier, e.g. silica, MgCl2, polymer
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F4/00—Polymerisation catalysts
- C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
- C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
- C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
- C08F4/62—Refractory metals or compounds thereof
- C08F4/64—Titanium, zirconium, hafnium or compounds thereof
- C08F4/659—Component covered by group C08F4/64 containing a transition metal-carbon bond
- C08F4/6592—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
- C08F4/65922—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring containing at least two cyclopentadienyl rings, fused or not
- C08F4/65925—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring containing at least two cyclopentadienyl rings, fused or not two cyclopentadienyl rings being mutually non-bridged
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F4/00—Polymerisation catalysts
- C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
- C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
- C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
- C08F4/62—Refractory metals or compounds thereof
- C08F4/64—Titanium, zirconium, hafnium or compounds thereof
- C08F4/659—Component covered by group C08F4/64 containing a transition metal-carbon bond
- C08F4/6592—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
- C08F4/65922—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring containing at least two cyclopentadienyl rings, fused or not
- C08F4/65927—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring containing at least two cyclopentadienyl rings, fused or not two cyclopentadienyl rings being mutually bridged
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/218,888 US7473745B2 (en) | 2005-09-02 | 2005-09-02 | Preparation of multimodal polyethylene |
US11/218,888 | 2005-09-02 | ||
PCT/US2006/031656 WO2007030278A1 (en) | 2005-09-02 | 2006-08-14 | Preparation of multimodal polyethylene |
Publications (1)
Publication Number | Publication Date |
---|---|
CA2619924A1 true CA2619924A1 (en) | 2007-03-15 |
Family
ID=37460988
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002619924A Abandoned CA2619924A1 (en) | 2005-09-02 | 2006-08-14 | Preparation of multimodal polyethylene |
Country Status (8)
Families Citing this family (42)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7429635B2 (en) * | 2006-09-28 | 2008-09-30 | Equistar Chemicals, Lp | Preparation of ultra high molecular weight linear low density polyethylene |
US7723451B2 (en) * | 2007-09-04 | 2010-05-25 | Equistar Chemicals, Lp | Olefin polymerization process |
US7829641B2 (en) * | 2008-07-16 | 2010-11-09 | Equistar Chemicals, Lp | Process for the preparation of multimodal polyethylene resins |
KR100976666B1 (ko) * | 2008-07-21 | 2010-08-18 | 대림산업 주식회사 | 올레핀 중합 촉매 및 이를 이용한 폴리올레핀 중합체의제조방법 |
US7816478B2 (en) * | 2008-09-03 | 2010-10-19 | Equistar Chemicals, Lp | Polyethylene thick film and process for preparing polyethylene |
KR101152413B1 (ko) * | 2008-09-12 | 2012-06-05 | 에스케이이노베이션 주식회사 | 에틸렌 공중합체 및 이의 제조방법 |
CN102234389A (zh) * | 2011-04-12 | 2011-11-09 | 江南大学 | 一种高耐候双峰聚乙烯改性树脂的制备与评价方法 |
US8580893B2 (en) | 2011-12-22 | 2013-11-12 | Fina Technology, Inc. | Methods for improving multimodal polyethylene and films produced therefrom |
KR101592436B1 (ko) * | 2014-06-16 | 2016-02-05 | 주식회사 엘지화학 | 내환경 응력 균열성이 우수한 폴리올레핀 |
KR101703274B1 (ko) | 2014-08-12 | 2017-02-22 | 주식회사 엘지화학 | 메탈로센 화합물, 이를 포함하는 촉매 조성물 및 이를 이용한 올레핀 중합체의 제조방법 |
US10450390B2 (en) | 2014-12-15 | 2019-10-22 | Lg Chem, Ltd. | Metallocene compound, metallocene-supported catalyst, and method of preparing polyolefin using the same |
CN104650439B (zh) * | 2015-01-09 | 2017-02-22 | 长园长通新材料股份有限公司 | 一种聚乙烯管道防白蚁胶带基材及其制备方法 |
US10280235B2 (en) | 2015-06-05 | 2019-05-07 | Exxonmobil Chemical Patents Inc. | Catalyst system containing high surface area supports and sequential polymerization to produce heterophasic polymers |
US10077325B2 (en) | 2015-06-05 | 2018-09-18 | Exxonmobil Chemical Patents Inc. | Silica supports with high aluminoxane loading capability |
US9725537B2 (en) | 2015-06-05 | 2017-08-08 | Exxonmobil Chemical Patents Inc. | High activity catalyst supportation |
US9809664B2 (en) | 2015-06-05 | 2017-11-07 | Exxonmobil Chemical Patents Inc. | Bimodal propylene polymers and sequential polymerization |
US9738779B2 (en) | 2015-06-05 | 2017-08-22 | Exxonmobil Chemical Patents Inc. | Heterophasic copolymers and sequential polymerization |
WO2016197037A1 (en) * | 2015-06-05 | 2016-12-08 | Exxonmobil Chemical Patents Inc. | Catalyst system comprising supported alumoxane and unsupported alumoxane particles |
WO2016196331A1 (en) | 2015-06-05 | 2016-12-08 | Exxonmobil Chemical Patents Inc. | Supported metallocene catalyst systems for polymerization |
US10280233B2 (en) | 2015-06-05 | 2019-05-07 | Exxonmobil Chemical Patents Inc. | Catalyst systems and methods of making and using the same |
EP3885373A1 (en) | 2015-06-05 | 2021-09-29 | ExxonMobil Chemical Patents Inc. | Production of heterophasic polymers in gas or slurry phase |
US9920176B2 (en) | 2015-06-05 | 2018-03-20 | Exxonmobil Chemical Patents Inc. | Single site catalyst supportation |
US9725569B2 (en) | 2015-06-05 | 2017-08-08 | Exxonmobil Chemical Patents Inc. | Porous propylene polymers |
US10759886B2 (en) | 2015-06-05 | 2020-09-01 | Exxonmobil Chemical Patents Inc. | Single reactor production of polymers in gas or slurry phase |
US10329360B2 (en) | 2015-06-05 | 2019-06-25 | Exxonmobil Chemical Patents Inc. | Catalyst system comprising supported alumoxane and unsupported alumoxane particles |
US10294316B2 (en) | 2015-06-05 | 2019-05-21 | Exxonmobil Chemical Patents Inc. | Silica supports with high aluminoxane loading capability |
KR101711788B1 (ko) * | 2016-03-09 | 2017-03-14 | 한화케미칼 주식회사 | 혼성 촉매 조성물, 이의 제조방법, 및 이를 이용하여 제조된 폴리올레핀 |
KR101725004B1 (ko) | 2016-04-27 | 2017-04-18 | 한화케미칼 주식회사 | 혼성 담지 메탈로센 촉매 및 이를 이용한 가공성이 우수한 폴리올레핀 수지 |
US11059918B2 (en) | 2016-05-27 | 2021-07-13 | Exxonmobil Chemical Patents Inc. | Metallocene catalyst compositions and polymerization process therewith |
WO2017215836A1 (en) * | 2016-06-17 | 2017-12-21 | Sabic Global Technologies B.V. | Method of controlling and system for manufacturing multimodal high density polyethylene |
KR102209393B1 (ko) * | 2016-12-02 | 2021-01-28 | 주식회사 엘지화학 | 혼성 담지 촉매 |
KR102215630B1 (ko) * | 2016-12-13 | 2021-02-10 | 주식회사 엘지화학 | 혼성 담지 메탈로센 촉매 |
KR101773722B1 (ko) * | 2016-12-16 | 2017-08-31 | 한화케미칼 주식회사 | 혼성 담지 메탈로센 촉매를 이용한 고가공성 고밀도 에틸렌계 중합체 및 제조방법 |
CN109422947B (zh) * | 2017-08-29 | 2021-03-09 | 中国石油天然气股份有限公司 | 多峰聚乙烯及其制备方法 |
US10995166B2 (en) | 2017-11-07 | 2021-05-04 | Nova Chemicals (International) S.A. | Ethylene interpolymer products and films |
US10683376B2 (en) | 2017-11-07 | 2020-06-16 | Nova Chemicals (International) S.A. | Manufacturing ethylene interpolymer products at higher production rate |
JP7278286B2 (ja) | 2017-12-26 | 2023-05-19 | ダウ グローバル テクノロジーズ エルエルシー | 靭性が改善された多峰性エチレン系ポリマー組成物 |
EP3732215B8 (en) * | 2017-12-26 | 2022-04-27 | Dow Global Technologies LLC | Dual reactor solution process for the production of multimodal ethylene-based polymer |
US11680119B2 (en) * | 2017-12-26 | 2023-06-20 | Dow Global Technologies Llc | Process for the production of multimodal ethylene-based polymers |
CN111683980B (zh) | 2017-12-26 | 2024-03-05 | 陶氏环球技术有限责任公司 | 多峰型乙烯类聚合物的加工系统和方法 |
KR102647144B1 (ko) | 2017-12-26 | 2024-03-15 | 다우 글로벌 테크놀로지스 엘엘씨 | 다봉형 에틸렌계 중합체 및 저밀도 폴리에틸렌(ldpe)을 포함하는 조성물 |
KR102203007B1 (ko) * | 2019-06-05 | 2021-01-14 | 대림산업 주식회사 | 다단계 연속 중합 방법을 이용한 멀티모달 폴리올레핀 제조방법 |
Family Cites Families (49)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4187519A (en) * | 1978-08-17 | 1980-02-05 | Rockwell International Corporation | System for expanding the video contrast of an image |
US4384336A (en) * | 1980-08-29 | 1983-05-17 | Polaroid Corporation | Method and apparatus for lightness imaging |
US5149738A (en) * | 1988-11-16 | 1992-09-22 | Union Carbide Chemicals & Plastics Technology Corporation | Process for the in situ blending of polymers |
US5224178A (en) * | 1990-09-14 | 1993-06-29 | Eastman Kodak Company | Extending dynamic range of stored image database |
CA2055058C (en) * | 1990-12-31 | 1996-08-06 | Anthony Joseph Dattilo | Automatic correction for color printing |
JP2961472B2 (ja) * | 1992-10-22 | 1999-10-12 | 三田工業株式会社 | トナー像転写手段を備えた画像生成機 |
CA2103380C (en) | 1992-11-19 | 2002-07-02 | Mitsui Chemicals, Inc. | Ethylene/.alpha.-olefin copolymer composition, graft modified ethylene/.alpha.-olefin copolymer composition, ethylene copolymer composition, and multi-stage olefin polymerization process |
EP0604930B1 (en) * | 1992-12-25 | 1997-10-29 | Canon Kabushiki Kaisha | Liquid crystal display apparatus |
US5371053A (en) | 1993-05-18 | 1994-12-06 | Exxon Chemical Patents Inc. | Process for deactivating Ziegler-Natta and metallocene catalysts |
US5442019A (en) | 1994-03-25 | 1995-08-15 | Exxon Chemical Company | Process for transitioning between incompatible polymerization catalysts |
US5792534A (en) | 1994-10-21 | 1998-08-11 | The Dow Chemical Company | Polyolefin film exhibiting heat resistivity, low hexane extractives and controlled modulus |
JPH08328516A (ja) * | 1995-06-02 | 1996-12-13 | Canon Inc | 表示装置及び方法 |
BR9609604A (pt) * | 1995-07-10 | 1999-05-25 | Borealis Polymers Oy | ComposiçÃo de revestimento |
CA2188722A1 (en) * | 1995-10-26 | 1997-04-27 | George Norris Foster | Process for preparing an in situ polyethylene blend |
US6576306B2 (en) | 1996-09-04 | 2003-06-10 | Exxonmobil Chemical Patents Inc. | Propylene polymers for films |
GB9712663D0 (en) * | 1997-06-16 | 1997-08-20 | Borealis As | Process |
CA2245375C (en) | 1998-08-19 | 2006-08-15 | Nova Chemicals Ltd. | Dual reactor polyethylene process using a phosphinimine catalyst |
US6674436B1 (en) * | 1999-02-01 | 2004-01-06 | Microsoft Corporation | Methods and apparatus for improving the quality of displayed images through the use of display device and display condition information |
ATE236934T1 (de) * | 1999-02-22 | 2003-04-15 | Borealis Tech Oy | Olefinpolymerisationsverfahren |
US6211311B1 (en) | 1999-05-25 | 2001-04-03 | Equistar Chemicals, L.P. | Supported olefin polymerization catalysts |
US6864916B1 (en) * | 1999-06-04 | 2005-03-08 | The Trustees Of Columbia University In The City Of New York | Apparatus and method for high dynamic range imaging using spatially varying exposures |
US6232260B1 (en) | 1999-10-14 | 2001-05-15 | Equistar Chemicals, L.P. | Single-site catalysts for olefin polymerization |
JP3433406B2 (ja) * | 1999-10-18 | 2003-08-04 | インターナショナル・ビジネス・マシーンズ・コーポレーション | ホワイトポイント調整方法、カラー画像処理方法、ホワイトポイント調整装置、および液晶表示装置 |
JP2002082645A (ja) * | 2000-06-19 | 2002-03-22 | Sharp Corp | 画像表示装置の列電極駆動回路及びそれを用いた画像表示装置 |
US6954193B1 (en) * | 2000-09-08 | 2005-10-11 | Apple Computer, Inc. | Method and apparatus for correcting pixel level intensity variation |
JP2003050569A (ja) * | 2000-11-30 | 2003-02-21 | Hitachi Ltd | 液晶表示装置 |
KR100419090B1 (ko) * | 2001-02-19 | 2004-02-19 | 삼성전자주식회사 | 시야각에 적응하는 액정 표시 장치 |
JP4210040B2 (ja) * | 2001-03-26 | 2009-01-14 | パナソニック株式会社 | 画像表示装置および方法 |
US6941028B2 (en) * | 2001-04-30 | 2005-09-06 | Hewlett-Packard Development Company, L.P. | System and method for image enhancement, dynamic range compensation and illumination correction |
US20020180733A1 (en) * | 2001-05-15 | 2002-12-05 | Koninklijke Philips Electronics N.V. | Method and apparatus for adjusting an image to compensate for an offset position of a user |
US6842543B2 (en) * | 2001-06-25 | 2005-01-11 | Science And Technology Corporation | Method of improving a digital image having white zones |
KR100462868B1 (ko) * | 2001-06-29 | 2004-12-17 | 삼성전자주식회사 | 반도체 폴리싱 장치의 패드 컨디셔너 |
JP4197858B2 (ja) * | 2001-08-27 | 2008-12-17 | 富士通株式会社 | 画像処理プログラム |
SE0103425D0 (sv) * | 2001-10-16 | 2001-10-16 | Borealis Tech Oy | Pipe for hot fluids |
US7133083B2 (en) * | 2001-12-07 | 2006-11-07 | University Of Kentucky Research Foundation | Dynamic shadow removal from front projection displays |
US7050636B2 (en) * | 2001-12-07 | 2006-05-23 | Eastman Kodak Company | Method and system for improving an image characteristic based on image content |
JP2003319412A (ja) * | 2002-04-19 | 2003-11-07 | Matsushita Electric Ind Co Ltd | 画像処理支援システム、画像処理装置及び画像表示装置 |
US7002546B1 (en) * | 2002-05-15 | 2006-02-21 | Rockwell Collins, Inc. | Luminance and chromaticity control of an LCD backlight |
US6846098B2 (en) * | 2002-05-16 | 2005-01-25 | Eastman Kodak Company | Light diffuser with variable diffusion |
JP2006508387A (ja) * | 2002-11-27 | 2006-03-09 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 表示画像の知覚的コントラストを改善する方法 |
US6841500B2 (en) * | 2002-12-03 | 2005-01-11 | Equistar Chemicals, Lp | Bimetallic indenoindolyl catalysts |
JP2004191490A (ja) * | 2002-12-09 | 2004-07-08 | Hitachi Displays Ltd | 液晶表示装置 |
SE0300195D0 (sv) * | 2003-01-28 | 2003-01-28 | Borealis Tech Oy | Coating composition, method of preparation thereofand substrate coated therewith |
US6861485B2 (en) | 2003-06-20 | 2005-03-01 | Equistar Chemicals, Lp | Multi-catalyst system for olefin polymerization |
US7052152B2 (en) * | 2003-10-03 | 2006-05-30 | Philips Lumileds Lighting Company, Llc | LCD backlight using two-dimensional array LEDs |
US7288596B2 (en) | 2003-12-22 | 2007-10-30 | Univation Technologies, Llc | Polyethylene compositions having improved tear properties |
US7009343B2 (en) * | 2004-03-11 | 2006-03-07 | Kevin Len Li Lim | System and method for producing white light using LEDs |
ATE480586T1 (de) * | 2006-07-14 | 2010-09-15 | Borealis Tech Oy | Polyethylen hoher dichte |
US7756330B2 (en) * | 2006-07-27 | 2010-07-13 | Eastman Kodak Company | Producing an extended dynamic range digital image |
-
2005
- 2005-09-02 US US11/218,888 patent/US7473745B2/en not_active Expired - Fee Related
-
2006
- 2006-08-14 JP JP2008529089A patent/JP2009507105A/ja not_active Withdrawn
- 2006-08-14 BR BRPI0616828-0A patent/BRPI0616828A2/pt not_active Application Discontinuation
- 2006-08-14 KR KR1020087005515A patent/KR20080039479A/ko not_active Application Discontinuation
- 2006-08-14 WO PCT/US2006/031656 patent/WO2007030278A1/en active Application Filing
- 2006-08-14 CN CNA2006800319364A patent/CN101253203A/zh active Pending
- 2006-08-14 EP EP06801439A patent/EP1937728A1/en not_active Withdrawn
- 2006-08-14 CA CA002619924A patent/CA2619924A1/en not_active Abandoned
-
2008
- 2008-12-04 US US12/315,552 patent/US7855255B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US7473745B2 (en) | 2009-01-06 |
CN101253203A (zh) | 2008-08-27 |
US20070055021A1 (en) | 2007-03-08 |
JP2009507105A (ja) | 2009-02-19 |
WO2007030278A1 (en) | 2007-03-15 |
EP1937728A1 (en) | 2008-07-02 |
BRPI0616828A2 (pt) | 2011-07-05 |
US7855255B2 (en) | 2010-12-21 |
KR20080039479A (ko) | 2008-05-07 |
US20090099316A1 (en) | 2009-04-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US7473745B2 (en) | Preparation of multimodal polyethylene | |
JP6488002B2 (ja) | 加工性に優れたオレフィン系重合体 | |
AU2005205527B2 (en) | Catalyst compositions and polyolefins for extrusion coating applications | |
US6995216B2 (en) | Process for manufacturing single-site polyolefins | |
EP1636275B1 (en) | Multi-catalyst system for olefin polymerization | |
US20030195306A1 (en) | Method for making polyolefins | |
KR101485566B1 (ko) | 저온 실링성이 우수한 필름용 폴리에틸렌, 및 이의 제조방법 | |
CN101103053B (zh) | 负载型聚合反应催化剂 | |
EA039128B1 (ru) | Способ получения полиэтиленового продукта | |
US7811956B2 (en) | Supported olefin polymerization catalyst | |
JPH08245712A (ja) | α−オレフィンの単独重合体又は共重合体の製造方法 | |
CA2396629A1 (en) | Ethylene polymerization process | |
US20230416427A1 (en) | Olefin-based polymer, film prepared therefrom, and preparation methods therefor | |
US20230416426A1 (en) | Olefin-based polymer, film prepared therefrom, and preparation methods therefor | |
JP2020505480A (ja) | オレフィン重合体、その製造方法、そしてこれを利用したフィルム | |
JP3660066B2 (ja) | 溶融張力が改良されたポリエチレン組成物の製造方法 | |
RU2754179C1 (ru) | Получение мультимодального полиолефина многоэтапным способом непрерывной полимеризации | |
KR20240062822A (ko) | 폴리에틸렌 조성물 및 이를 포함하는 이축 연신 필름 | |
KR20240063035A (ko) | 폴리에틸렌 조성물 및 이를 포함하는 이축 연신 필름 | |
KR20240057689A (ko) | 폴리에틸렌 조성물 및 이를 포함하는 이축 연신 필름 | |
KR20240041262A (ko) | 폴리에틸렌 조성물 및 이를 포함하는 이축 연신 필름 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FZDE | Discontinued | ||
FZDE | Discontinued |
Effective date: 20100816 |