RU2004137276A - Способ получения композиции линейного полиэтилена низкой плотности - Google Patents
Способ получения композиции линейного полиэтилена низкой плотности Download PDFInfo
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- RU2004137276A RU2004137276A RU2004137276/04A RU2004137276A RU2004137276A RU 2004137276 A RU2004137276 A RU 2004137276A RU 2004137276/04 A RU2004137276/04 A RU 2004137276/04A RU 2004137276 A RU2004137276 A RU 2004137276A RU 2004137276 A RU2004137276 A RU 2004137276A
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- 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
- C08F297/00—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer
- C08F297/06—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the coordination type
- C08F297/08—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the coordination type polymerising mono-olefins
- C08F297/083—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the coordination type polymerising mono-olefins the monomers being ethylene or propylene
-
- 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
- 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
- C08F297/00—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer
- C08F297/06—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the coordination type
- C08F297/08—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer using a catalyst of the coordination type polymerising mono-olefins
-
- 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
- C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
-
- 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
- C08F2410/00—Features related to the catalyst preparation, the catalyst use or to the deactivation of the catalyst
- C08F2410/06—Catalyst characterized by its size
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2308/00—Chemical blending or stepwise polymerisation process with the same catalyst
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
Claims (9)
1. Способ получения бимодальных этиленовых сополимеров низкой плотности, пригодных для изготовления пленки, включающий:
(i) проведение первой реакции полимеризации или сополимеризации этилена, водорода и сомономеров в присутствии катализатора полимеризации в первой зоне реакции в циркуляционном реакторе для получения первого продукта полимеризации, имеющего низкую молекулярную массу, скорость течения расплава СТР2 от 50 до 500 г/10 мин, предпочтительно от 100 до 400 г/10 мин, и плотность от 940 до 955 кг/м3, предпочтительно от 945 до 953 кг/м3;
(ii) выделение продукта первой полимеризации из первой зоны реакции;
(iii) загрузку первого продукта полимеризации во вторую зону реакции в газофазном реакторе;
(iv) загрузку дополнительных этилена, сомономеров и, возможно, водорода во вторую зону реакции;
(v) проведение второй реакции полимеризации дополнительного этилена и дополнительного сомономера (сомономеров) и, возможно, водорода в присутствии указанного катализатора полимеризации и продукта первой полимеризации;
(vi) для получения полимерной композиции, содержащей от 41 до 48 мас.% низкомолекулярного полимера, полученного на стадии (i), и от 59 до 52 мас.% высокомолекулярного полимера, полученного на стадии (v), причем
(vii) бимодальный этиленовый сополимер низкой плотности имеет скорость течения расплава в диапазоне СТР2 от 0,4 до 1,0 г/10 мин, предпочтительно от 0,4 до 0,7 г/10 мин и плотность от 918 до 925 кг/м3, и
(viii) выделение комбинированного продукта полимеризации из второй зоны реакции.
2. Способ по п.1, в котором указанный катализатор полимеризации получен контактированием материала носителя в виде частиц с (i) алкилалюминийхлоридом; (ii) продуктом реакции алкилмагния и спирта, выбранного из линейных и разветвленных спиртов, содержащих от 6 до 16 атомов углерода, и (iii) хлорсодержащим соединением титана.
3. Способ по п.2, в котором материал носителя в виде частиц имеет средний объемный размер частиц 15-30 мкм.
4. Способ по п.2 или 3, в котором материал носителя в виде частиц представляет собой диоксид кремния.
5. Способ получения полимерной пленки, включающий стадии: (i) приготовления полимера по п.1; (ii) возможно, перемешивания полимера с добавками; (in) возможно, экструзии полимера в гранулы, и (iv) экструзии полимерной композиции в пленку.
6. Способ по п.5, в котором пленку получают раздувом.
7. Пленка, изготовленная из линейного полиэтилена низкой плотности, при этом полиэтилен содержит
(i) низкомолекулярный компонент со скоростью течения расплава СТР2 от 50 до 500 г/10 мин, предпочтительно от 100 до 400 г/10 мин, и плотностью от 940 до 955 кг/м3, предпочтительно от 945 до 953 кг/м3, и
(ii) высокомолекулярный компонент с более высокой молекулярной массой, более низкой скоростью течения расплава и более низкой плотностью, чем у низкомолекулярного компонента (i), так что полимерная композиция содержит от 41 до 48 мас.% низкомолекулярного компонента (i) и от 59 до 52 мас.% высокомолекулярного компонента (ii), при этом композиция имеет скорость течения расплава СТР2 в диапазоне от 0,4 до 1,0 г/10 мин, предпочтительно от 0,4 до 0,7 г/10 мин, и плотность от 918 до 925 кг/м3, причем указанная пленка не имеет включений геля размером более 0,4 мм.
8. Пленка по п.7, которая при испытании падающим заостренным грузом дает результат по меньшей мере 100 г, имеет прочность на раздир в продольном направлении по меньшей мере 1,5 Н и прочность на раздир в поперечном направлении по меньшей мере 6 Н.
9. Пленка по п.8, которая при испытании падающим заостренным грузом дает результат по меньшей мере 150 г, имеет прочность на раздир в продольном направлении по меньшей мере 2,0 Н и прочность на раздир в поперечном направлении по меньшей мере 7,5 Н.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02396098A EP1378528B1 (en) | 2002-06-24 | 2002-06-24 | A process for the production of a linear low-density polyethylene composition |
EP02396098.2 | 2002-06-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
RU2004137276A true RU2004137276A (ru) | 2005-08-10 |
RU2285013C2 RU2285013C2 (ru) | 2006-10-10 |
Family
ID=29719802
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU2004137276/04A RU2285013C2 (ru) | 2002-06-24 | 2003-06-19 | Способ получения композиции линейного полиэтилена низкой плотности |
Country Status (13)
Country | Link |
---|---|
US (1) | US7576166B2 (ru) |
EP (1) | EP1378528B1 (ru) |
JP (1) | JP2006514123A (ru) |
KR (1) | KR100699697B1 (ru) |
CN (1) | CN1325528C (ru) |
AT (1) | ATE293134T1 (ru) |
AU (1) | AU2003239633B2 (ru) |
BR (1) | BR0312021A (ru) |
DE (1) | DE60203707T2 (ru) |
ES (1) | ES2241977T3 (ru) |
PL (1) | PL373793A1 (ru) |
RU (1) | RU2285013C2 (ru) |
WO (1) | WO2004000902A1 (ru) |
Families Citing this family (81)
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EA010943B1 (ru) * | 2004-10-04 | 2008-12-30 | Бореалис Текнолоджи Ой | Пленка |
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EP4403598A1 (en) | 2023-01-23 | 2024-07-24 | Borealis AG | Polymer composition comprising recycled low density polyethylene for packaging applications |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI86867C (fi) * | 1990-12-28 | 1992-10-26 | Neste Oy | Flerstegsprocess foer framstaellning av polyeten |
US5514455A (en) * | 1994-07-08 | 1996-05-07 | Union Carbide Chemicals & Plastics Technology Corporation | Film extruded from an in situ blend of ethylene copolymers |
FI981034A (fi) * | 1998-05-08 | 1999-11-09 | Borealis Polymers Oy | HD-polyeteenikoostumukset ja menetelmä niiden valmistamiseksi |
FI990003A (fi) * | 1999-01-04 | 2000-07-05 | Borealis Polymers Oy | Polymeerikoostumus, menetelmä sen valmistamiseksi ja siitä valmistetut kalvot |
-
2002
- 2002-06-24 DE DE60203707T patent/DE60203707T2/de not_active Expired - Lifetime
- 2002-06-24 EP EP02396098A patent/EP1378528B1/en not_active Expired - Lifetime
- 2002-06-24 ES ES02396098T patent/ES2241977T3/es not_active Expired - Lifetime
- 2002-06-24 AT AT02396098T patent/ATE293134T1/de not_active IP Right Cessation
-
2003
- 2003-06-19 RU RU2004137276/04A patent/RU2285013C2/ru active
- 2003-06-19 CN CNB03814851XA patent/CN1325528C/zh not_active Expired - Lifetime
- 2003-06-19 JP JP2004514902A patent/JP2006514123A/ja not_active Withdrawn
- 2003-06-19 KR KR1020047020295A patent/KR100699697B1/ko active IP Right Grant
- 2003-06-19 PL PL03373793A patent/PL373793A1/xx unknown
- 2003-06-19 WO PCT/FI2003/000500 patent/WO2004000902A1/en active IP Right Grant
- 2003-06-19 BR BR0312021-0A patent/BR0312021A/pt not_active IP Right Cessation
- 2003-06-19 AU AU2003239633A patent/AU2003239633B2/en not_active Ceased
- 2003-06-19 US US10/519,326 patent/US7576166B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE60203707D1 (de) | 2005-05-19 |
EP1378528B1 (en) | 2005-04-13 |
DE60203707T2 (de) | 2006-03-02 |
EP1378528A1 (en) | 2004-01-07 |
PL373793A1 (en) | 2005-09-19 |
US20060167192A1 (en) | 2006-07-27 |
ES2241977T3 (es) | 2005-11-01 |
AU2003239633B2 (en) | 2006-06-01 |
CN1325528C (zh) | 2007-07-11 |
ATE293134T1 (de) | 2005-04-15 |
KR100699697B1 (ko) | 2007-03-26 |
AU2003239633A1 (en) | 2004-01-06 |
US7576166B2 (en) | 2009-08-18 |
CN1662570A (zh) | 2005-08-31 |
KR20050016553A (ko) | 2005-02-21 |
JP2006514123A (ja) | 2006-04-27 |
BR0312021A (pt) | 2005-03-22 |
WO2004000902A1 (en) | 2003-12-31 |
RU2285013C2 (ru) | 2006-10-10 |
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