JP2019536882A - オレフィンの重合用触媒成分及びこれから得られる触媒 - Google Patents
オレフィンの重合用触媒成分及びこれから得られる触媒 Download PDFInfo
- Publication number
- JP2019536882A JP2019536882A JP2019531168A JP2019531168A JP2019536882A JP 2019536882 A JP2019536882 A JP 2019536882A JP 2019531168 A JP2019531168 A JP 2019531168A JP 2019531168 A JP2019531168 A JP 2019531168A JP 2019536882 A JP2019536882 A JP 2019536882A
- Authority
- JP
- Japan
- Prior art keywords
- catalyst component
- catalyst
- eaa
- polymerization
- solid
- 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.)
- Pending
Links
Classifications
-
- 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
- C08F110/00—Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F110/04—Monomers containing three or four carbon atoms
- C08F110/06—Propene
-
- 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
- C08F2/00—Processes of polymerisation
- C08F2/34—Polymerisation in gaseous state
-
- 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
- C08F4/643—Component covered by group C08F4/64 with a metal or compound covered by group C08F4/44 other than an organo-aluminium compound
- C08F4/6432—Component of C08F4/64 containing at least two different metals
- C08F4/6435—Component of C08F4/64 containing at least two different metals containing magnesium
-
- 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
- C08F4/647—Catalysts containing a specific non-metal or metal-free compound
- C08F4/649—Catalysts containing a specific non-metal or metal-free compound organic
- C08F4/6491—Catalysts containing a specific non-metal or metal-free compound organic hydrocarbon
- C08F4/6492—Catalysts containing a specific non-metal or metal-free compound organic hydrocarbon containing aliphatic unsaturation
-
- 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
- C08F4/647—Catalysts containing a specific non-metal or metal-free compound
- C08F4/649—Catalysts containing a specific non-metal or metal-free compound organic
- C08F4/6493—Catalysts containing a specific non-metal or metal-free compound organic containing halogen
-
- 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
- C08F4/647—Catalysts containing a specific non-metal or metal-free compound
- C08F4/649—Catalysts containing a specific non-metal or metal-free compound organic
- C08F4/6494—Catalysts containing a specific non-metal or metal-free compound organic containing oxygen
-
- 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
- C08F4/65—Pretreating the metal or compound covered by group C08F4/64 before the final contacting with the metal or compound covered by group C08F4/44
- C08F4/651—Pretreating with non-metals or metal-free compounds
-
- 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
- C08F4/65—Pretreating the metal or compound covered by group C08F4/64 before the final contacting with the metal or compound covered by group C08F4/44
- C08F4/652—Pretreating with metals or metal-containing compounds
- C08F4/654—Pretreating with metals or metal-containing compounds with magnesium or compounds thereof
- C08F4/6543—Pretreating with metals or metal-containing compounds with magnesium or compounds thereof halides of magnesium
-
- 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
- C08F2500/00—Characteristics or properties of obtained polyolefins; Use thereof
- C08F2500/12—Melt flow index or melt flow ratio
-
- 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
- C08F2500/00—Characteristics or properties of obtained polyolefins; Use thereof
- C08F2500/18—Bulk density
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Emergency Medicine (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP16204972 | 2016-12-19 | ||
| EP16204972.0 | 2016-12-19 | ||
| PCT/EP2017/082336 WO2018114453A1 (en) | 2016-12-19 | 2017-12-12 | Catalyst components for the polymerization of olefins and catalysts therefrom obtained |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2019536882A true JP2019536882A (ja) | 2019-12-19 |
| JP2019536882A5 JP2019536882A5 (enExample) | 2021-01-28 |
Family
ID=57614152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2019531168A Pending JP2019536882A (ja) | 2016-12-19 | 2017-12-12 | オレフィンの重合用触媒成分及びこれから得られる触媒 |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US11034781B2 (enExample) |
| EP (1) | EP3555150B1 (enExample) |
| JP (1) | JP2019536882A (enExample) |
| KR (1) | KR102187011B1 (enExample) |
| CN (1) | CN110072896B (enExample) |
| BR (1) | BR112019011717B1 (enExample) |
| ES (1) | ES2963183T3 (enExample) |
| FI (1) | FI3555150T3 (enExample) |
| RU (1) | RU2747650C2 (enExample) |
| WO (1) | WO2018114453A1 (enExample) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2970181T3 (es) * | 2019-11-20 | 2024-05-27 | Basell Poliolefine Italia Srl | Proceso para la preparación de un componente de catalizador y componentes obtenidos a partir del mismo |
| EP3974052A1 (en) | 2020-09-23 | 2022-03-30 | Basell Polyolefine GmbH | Vessel system |
| WO2022101337A1 (en) | 2020-11-16 | 2022-05-19 | Basell Polyolefine Gmbh | Process for producing a polyethylene composition comprising bimodal or multimodal polyethylene |
| KR20230163551A (ko) | 2021-04-06 | 2023-11-30 | 바셀 폴리올레핀 이탈리아 에스.알.엘 | 올레핀의 중합용 예비 중합 촉매 성분 |
| CN116410377A (zh) * | 2021-12-29 | 2023-07-11 | 中国石油天然气股份有限公司 | 一种超高分子量聚乙烯催化剂组分及其制备方法与应用 |
| EP4276124A1 (en) | 2022-05-13 | 2023-11-15 | Basell Polyolefine GmbH | Process for producing a multimodal polyolefin composition in an extruder |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006528271A (ja) * | 2003-05-29 | 2006-12-14 | バセル ポリオレフィン イタリア エス.アール.エル. | 触媒成分の製造方法およびそれから得られる成分 |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1096661B (it) | 1978-06-13 | 1985-08-26 | Montedison Spa | Procedimento per la preparazione di prodotti in forma sferoidale solidi a temperatura ambiente |
| IT1098272B (it) | 1978-08-22 | 1985-09-07 | Montedison Spa | Componenti,di catalizzatori e catalizzatori per la polimerizzazione delle alfa-olefine |
| FI80055C (fi) | 1986-06-09 | 1990-04-10 | Neste Oy | Foerfarande foer framstaellning av katalytkomponenter foer polymerisation av olefiner. |
| IT1230134B (it) | 1989-04-28 | 1991-10-14 | Himont Inc | Componenti e catalizzatori per la polimerizzazione di olefine. |
| JP2879347B2 (ja) | 1989-10-02 | 1999-04-05 | チッソ株式会社 | オレフィン重合用触媒の製法 |
| JP2935878B2 (ja) * | 1990-08-22 | 1999-08-16 | チッソ株式会社 | オレフィン重合用触媒成分 |
| IT1246614B (it) | 1991-06-03 | 1994-11-24 | Himont Inc | Procedimento per la polimerizzazione in fase gas delle olefine |
| IT1250731B (it) | 1991-07-31 | 1995-04-21 | Himont Inc | Procedimento per la preparazione di polietilene lineare a bassa densita' |
| IT1254279B (it) | 1992-03-13 | 1995-09-14 | Montecatini Tecnologie Srl | Procedimento per la polimerizzazione in fase gas delle olefine |
| CN1117500A (zh) * | 1994-08-08 | 1996-02-28 | 菲利浦石油公司 | 烯烃聚合反应及催化剂 |
| BR9804806A (pt) | 1997-03-29 | 1999-08-17 | Montell Technology Company Bv | Adutos de alcool-dicloreto de magnesio processo para sua prepara-Æo e componentes de catalisadores obtidos a partir deles |
| US6780808B2 (en) | 2002-07-15 | 2004-08-24 | Univation Technologies, Llc | Enhanced solubility of magnesium halides and catalysts and polymerization process using same |
| EP1572756B1 (en) * | 2002-12-18 | 2013-04-10 | Basell Poliolefine Italia S.r.l. | Catalyst components for the polymerization of olefins |
| WO2005012371A2 (en) | 2003-05-12 | 2005-02-10 | Union Carbide Chemicals & Plastics Technology Corporation | Process for control of polymer fines in a gas-phase polymerization |
| ES2657489T3 (es) * | 2003-11-14 | 2018-03-05 | Versalis S.P.A. | Componente de catalizador sólido mejorado |
| US7491781B2 (en) * | 2005-03-08 | 2009-02-17 | Ineos Usa Llc | Propylene polymer catalyst donor component |
| US20060281879A1 (en) * | 2005-06-13 | 2006-12-14 | Univation Technologies, Llc | Catalyst compositions comprising small silica support materials and methods of use in polymerization reactions |
| CN101589068A (zh) * | 2006-11-21 | 2009-11-25 | 巴塞尔聚烯烃意大利有限责任公司 | 用于烯烃聚合反应的催化剂组分 |
| EP2315786A1 (en) * | 2008-08-20 | 2011-05-04 | Basell Poliolefine Italia S.r.l. | Catalyst components for the polymerization of olefins and catalysts therefrom obtained |
| ES2645793T3 (es) | 2010-08-24 | 2017-12-07 | Basell Poliolefine Italia S.R.L. | Componentes de catalizadores para la polimerización de olefinas |
| CN105482003B (zh) * | 2014-10-10 | 2018-01-23 | 中国石油化工股份有限公司 | 一种乙烯聚合催化剂所用的载体及其催化剂 |
| CN105985468B (zh) * | 2015-02-10 | 2018-05-04 | 中国石油天然气股份有限公司 | 一种聚丙烯催化剂组分的制备方法 |
-
2017
- 2017-12-12 WO PCT/EP2017/082336 patent/WO2018114453A1/en not_active Ceased
- 2017-12-12 JP JP2019531168A patent/JP2019536882A/ja active Pending
- 2017-12-12 CN CN201780076287.8A patent/CN110072896B/zh active Active
- 2017-12-12 US US16/468,628 patent/US11034781B2/en active Active
- 2017-12-12 EP EP17816714.4A patent/EP3555150B1/en active Active
- 2017-12-12 RU RU2019119417A patent/RU2747650C2/ru active
- 2017-12-12 KR KR1020197018957A patent/KR102187011B1/ko active Active
- 2017-12-12 BR BR112019011717-2A patent/BR112019011717B1/pt active IP Right Grant
- 2017-12-12 FI FIEP17816714.4T patent/FI3555150T3/fi active
- 2017-12-12 ES ES17816714T patent/ES2963183T3/es active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006528271A (ja) * | 2003-05-29 | 2006-12-14 | バセル ポリオレフィン イタリア エス.アール.エル. | 触媒成分の製造方法およびそれから得られる成分 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110072896B (zh) | 2021-10-26 |
| FI3555150T3 (fi) | 2023-11-22 |
| CN110072896A (zh) | 2019-07-30 |
| ES2963183T3 (es) | 2024-03-25 |
| BR112019011717B1 (pt) | 2022-11-01 |
| RU2019119417A (ru) | 2020-12-21 |
| EP3555150A1 (en) | 2019-10-23 |
| WO2018114453A1 (en) | 2018-06-28 |
| US11034781B2 (en) | 2021-06-15 |
| EP3555150B1 (en) | 2023-10-25 |
| BR112019011717A2 (pt) | 2019-10-22 |
| RU2019119417A3 (enExample) | 2020-12-21 |
| RU2747650C2 (ru) | 2021-05-11 |
| US20190292281A1 (en) | 2019-09-26 |
| KR102187011B1 (ko) | 2020-12-07 |
| KR20190086023A (ko) | 2019-07-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8071499B2 (en) | Catalyst components for the polymerization of olefins and catalysts therefrom obtained | |
| EP3555150B1 (en) | Catalyst components for the polymerization of olefins and catalysts therefrom obtained | |
| US20100029869A1 (en) | Catalyst components for the polymerization of olefins and catalysts therefrom obtained | |
| JP2006510751A (ja) | オレフィン重合用触媒成分 | |
| JP5594969B2 (ja) | オレフィンの重合用の触媒成分 | |
| US11021555B2 (en) | Catalyst for the polymerization of olefins | |
| EP2331584A1 (en) | Catalyst components for the polymerization of olefins | |
| CN109863183B (zh) | 烯烃聚合的工艺 | |
| EP2545082A1 (en) | Catalyst components for the polymerization of olefins | |
| US10077322B2 (en) | Process for the polymerization of ethylene | |
| US8497328B2 (en) | Catalyst components for the polymerization of olefins and catalysts therefrom obtained | |
| JP2010510361A (ja) | オレフィン類の重合用触媒成分 | |
| CN106715481B (zh) | 用于烯烃聚合的催化剂 | |
| US20220403059A1 (en) | Process for the preparation of a catalyst component and components therefrom obtained |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20190610 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20190610 |
|
| RD02 | Notification of acceptance of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7422 Effective date: 20190621 |
|
| RD04 | Notification of resignation of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7424 Effective date: 20190625 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20200624 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20200714 |
|
| A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20201013 |
|
| A524 | Written submission of copy of amendment under article 19 pct |
Free format text: JAPANESE INTERMEDIATE CODE: A524 Effective date: 20201214 |
|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20210216 |