DE3119906A1 - Verfahren und vorrichtung zur herstellung von folien - Google Patents
Verfahren und vorrichtung zur herstellung von folienInfo
- Publication number
- DE3119906A1 DE3119906A1 DE19813119906 DE3119906A DE3119906A1 DE 3119906 A1 DE3119906 A1 DE 3119906A1 DE 19813119906 DE19813119906 DE 19813119906 DE 3119906 A DE3119906 A DE 3119906A DE 3119906 A1 DE3119906 A1 DE 3119906A1
- Authority
- DE
- Germany
- Prior art keywords
- solution
- high viscosity
- low viscosity
- viscosity
- slot
- 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.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims description 21
- 238000001125 extrusion Methods 0.000 claims description 28
- 238000004519 manufacturing process Methods 0.000 claims description 26
- 229920000642 polymer Polymers 0.000 claims description 18
- 239000011888 foil Substances 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 238000003860 storage Methods 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims 4
- 238000005520 cutting process Methods 0.000 claims 2
- 235000010724 Wisteria floribunda Nutrition 0.000 claims 1
- 235000015250 liver sausages Nutrition 0.000 claims 1
- 229920006254 polymer film Polymers 0.000 claims 1
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 21
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 18
- 229920002284 Cellulose triacetate Polymers 0.000 description 13
- NNLVGZFZQQXQNW-ADJNRHBOSA-N [(2r,3r,4s,5r,6s)-4,5-diacetyloxy-3-[(2s,3r,4s,5r,6r)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6s)-4,5,6-triacetyloxy-2-(acetyloxymethyl)oxan-3-yl]oxyoxan-2-yl]methyl acetate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](OC(C)=O)[C@H]1OC(C)=O)O[C@H]1[C@@H]([C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](COC(C)=O)O1)OC(C)=O)COC(=O)C)[C@@H]1[C@@H](COC(C)=O)O[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]1OC(C)=O NNLVGZFZQQXQNW-ADJNRHBOSA-N 0.000 description 13
- 238000009826 distribution Methods 0.000 description 7
- 238000001035 drying Methods 0.000 description 6
- 239000002904 solvent Substances 0.000 description 6
- AYEKOFBPNLCAJY-UHFFFAOYSA-O thiamine pyrophosphate Chemical compound CC1=C(CCOP(O)(=O)OP(O)(O)=O)SC=[N+]1CC1=CN=C(C)N=C1N AYEKOFBPNLCAJY-UHFFFAOYSA-O 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- 210000003298 dental enamel Anatomy 0.000 description 4
- 239000000155 melt Substances 0.000 description 4
- 238000006116 polymerization reaction Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- 230000021736 acetylation Effects 0.000 description 2
- 238000006640 acetylation reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004014 plasticizer Substances 0.000 description 2
- 229920000298 Cellophane Polymers 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- 206010012289 Dementia Diseases 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229920002301 cellulose acetate Polymers 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001879 gelation Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000012768 molten material Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
- B29C48/9145—Endless cooling belts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
- B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/305—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets
- B29C48/307—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets specially adapted for bringing together components, e.g. melts within the die
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Moulding By Coating Moulds (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6687680A JPS56162617A (en) | 1980-05-20 | 1980-05-20 | Preparation of film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE3119906A1 true DE3119906A1 (de) | 1982-04-08 |
Family
ID=13328505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19813119906 Withdrawn DE3119906A1 (de) | 1980-05-20 | 1981-05-19 | Verfahren und vorrichtung zur herstellung von folien |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4592885A (enExample) |
| JP (1) | JPS56162617A (enExample) |
| DE (1) | DE3119906A1 (enExample) |
| GB (1) | GB2078157B (enExample) |
Families Citing this family (47)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59124815A (ja) * | 1982-12-30 | 1984-07-19 | Asahi Chem Ind Co Ltd | 熱可塑性樹脂の配向成形法 |
| JPS59189969A (ja) * | 1983-04-12 | 1984-10-27 | Fuji Photo Film Co Ltd | 多層塗膜の形成方法 |
| JPH067944B2 (ja) * | 1985-10-18 | 1994-02-02 | 富士写真フイルム株式会社 | 塗布方法 |
| US4931249A (en) * | 1987-04-20 | 1990-06-05 | Thermal Designs, Inc. | Apparatus and process for mixing and dispensing high viscosity, multiple component reactive liquids into a mold |
| JP2714850B2 (ja) * | 1989-04-07 | 1998-02-16 | コニカ株式会社 | 塗布装置および重層塗布方法 |
| JP2559073B2 (ja) * | 1990-04-19 | 1996-11-27 | 富士写真フイルム株式会社 | セルローストリアセテートフィルムの製造方法 |
| JPH04124645A (ja) * | 1990-09-14 | 1992-04-24 | Fuji Photo Film Co Ltd | 写真用支持体及びその製造方法 |
| EP0542635B1 (en) * | 1991-10-15 | 1999-06-09 | Eastman Kodak Company | Magnetic dispersion coating method and apparatus having high shear regions |
| US5256357A (en) * | 1992-05-28 | 1993-10-26 | Eastman Kodak Company | Apparatus and method for cocasting film layers |
| US5269995A (en) * | 1992-10-02 | 1993-12-14 | The Dow Chemical Company | Coextrusion of multilayer articles using protective boundary layers and apparatus therefor |
| EP0781641B1 (en) | 1995-12-28 | 2001-11-07 | Fuji Photo Film Co., Ltd. | Method for forming multilayer sheet or multilayer film |
| KR100448034B1 (ko) * | 1997-05-20 | 2005-06-01 | 데이진 가부시키가이샤 | 이축배향적층전방향족폴리아미드막및자기기록매체 |
| JP3931391B2 (ja) | 1997-08-22 | 2007-06-13 | 富士フイルム株式会社 | 多層支持体の成形方法及びその成形ダイ装置 |
| TW500662B (en) | 1998-07-21 | 2002-09-01 | Teijin Ltd | Aromatic polyamide film laminate |
| DE60223196T2 (de) * | 2001-06-15 | 2008-02-07 | Fujifilm Corp. | Verfahren zum Herstellen einer Celluloseesterfolie |
| KR100918222B1 (ko) * | 2001-07-31 | 2009-09-21 | 후지필름 가부시키가이샤 | 셀룰로오스 아실레이트 필름의 제조 방법 |
| JP4404769B2 (ja) | 2002-08-15 | 2010-01-27 | 富士フイルム株式会社 | 反射防止フィルム、偏光板、及び画像表示装置 |
| KR20050084882A (ko) | 2002-11-25 | 2005-08-29 | 후지 샤신 필름 가부시기가이샤 | 반사 방지막, 편광판, 및 액정 디스플레이 장치 |
| JP4624152B2 (ja) * | 2005-03-24 | 2011-02-02 | 富士フイルム株式会社 | プラスチックフィルム、ガスバリアフィルム、およびそれを用いた画像表示素子 |
| US20080061462A1 (en) * | 2006-01-11 | 2008-03-13 | Fujifilm Corporation | Production method of multilayer film and production apparatus of the same |
| US10174129B2 (en) | 2007-02-14 | 2019-01-08 | Eastman Chemical Company | Regioselectively substituted cellulose esters produced in a carboxylated ionic liquid process and products produced therefrom |
| US9834516B2 (en) * | 2007-02-14 | 2017-12-05 | Eastman Chemical Company | Regioselectively substituted cellulose esters produced in a carboxylated ionic liquid process and products produced therefrom |
| JP4926109B2 (ja) * | 2007-09-28 | 2012-05-09 | 富士フイルム株式会社 | ドープ切換方法及び装置 |
| US8354525B2 (en) | 2008-02-13 | 2013-01-15 | Eastman Chemical Company | Regioselectively substituted cellulose esters produced in a halogenated ionic liquid process and products produced therefrom |
| US9777074B2 (en) | 2008-02-13 | 2017-10-03 | Eastman Chemical Company | Regioselectively substituted cellulose esters produced in a halogenated ionic liquid process and products produced therefrom |
| US8188267B2 (en) | 2008-02-13 | 2012-05-29 | Eastman Chemical Company | Treatment of cellulose esters |
| US20090203900A1 (en) * | 2008-02-13 | 2009-08-13 | Eastman Chemical Comapany | Production of cellulose esters in the presence of a cosolvent |
| US8158777B2 (en) | 2008-02-13 | 2012-04-17 | Eastman Chemical Company | Cellulose esters and their production in halogenated ionic liquids |
| KR101618870B1 (ko) | 2008-05-15 | 2016-05-09 | 후지필름 가부시키가이샤 | 셀룰로오스 에스테르 필름, 위상차 필름, 편광판 및 액정 표시 장치 |
| US8524887B2 (en) | 2009-04-15 | 2013-09-03 | Eastman Chemical Company | Regioselectively substituted cellulose esters produced in a tetraalkylammonium alkylphosphate ionic liquid process and products produced therefrom |
| US20120003403A1 (en) | 2010-07-02 | 2012-01-05 | Eastman Chemical Company | Multilayer cellulose ester film having reversed optical dispersion |
| US9796791B2 (en) | 2011-04-13 | 2017-10-24 | Eastman Chemical Company | Cellulose ester optical films |
| JP2013202811A (ja) * | 2012-03-27 | 2013-10-07 | Fujifilm Corp | 流延方法、フィルム製造方法、流延ダイ、流延装置、フィルム製造設備 |
| US9309362B2 (en) | 2013-12-17 | 2016-04-12 | Eastman Chemical Company | Optical films containing optical retardation-enhancing additive |
| US9309360B2 (en) | 2013-12-17 | 2016-04-12 | Eastman Chemical Company | Cellulose ester based quarter wave plates having normal wavelength dispersion |
| WO2016129329A1 (ja) * | 2015-02-09 | 2016-08-18 | コニカミノルタ株式会社 | 透明耐熱性積層フィルムの製造方法、透明耐熱性積層フィルム、フレキシブルプリント基板、フレキシブルディスプレイ用基板、フレキシブルディスプレイ用前面板、ｌｅｄ照明装置及び有機エレクトロルミネッセンス表示装置 |
| US10640577B2 (en) | 2016-04-22 | 2020-05-05 | Eastman Chemical Company | Regioselectively substituted cellulose esters and films made therefrom |
| SG11201809923RA (en) * | 2016-05-27 | 2018-12-28 | Safelink As | Transportable inline heave compensator |
| KR102695118B1 (ko) | 2017-03-29 | 2024-08-16 | 이스트만 케미칼 컴파니 | 위치-선택적으로 치환된 셀룰로스 에스터 |
| WO2019190756A1 (en) | 2018-03-28 | 2019-10-03 | Eastman Chemical Company | Regioselectively substituted cellulose esters |
| CN114302898B (zh) | 2019-08-26 | 2023-06-30 | 伊士曼化工公司 | 2-乙基己酰基取代的纤维素酯 |
| WO2023086529A1 (en) | 2021-11-12 | 2023-05-19 | Eastman Chemical Company | Biodegradable microbeads from mixed cellulose esters |
| US11596066B1 (en) | 2022-03-22 | 2023-02-28 | Thintronics. Inc. | Materials for printed circuit boards |
| US11926736B1 (en) | 2023-02-17 | 2024-03-12 | Thintronics, Inc. | Curable film composition, curable film, and cured product thereof |
| WO2025264743A1 (en) | 2024-06-20 | 2025-12-26 | Eastman Chemical Company | Cellulose ester films having +c plate optical properties |
| WO2025264741A1 (en) | 2024-06-20 | 2025-12-26 | Eastman Chemical Company | Optical compensation films with improved wavelength dispersion |
| TW202617845A (zh) | 2024-06-20 | 2026-05-01 | 美商伊士曼化學公司 | 具有改良之波長色散之光學補償膜 |
Family Cites Families (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE640252A (enExample) * | 1900-01-01 | |||
| US1924010A (en) * | 1930-12-22 | 1933-08-22 | Spicers Ltd | Machine for casting films or the like |
| US2052695A (en) * | 1933-07-26 | 1936-09-01 | Chiverton Arthur Howarth | Manufacture of films and foil |
| US2295280A (en) * | 1940-05-15 | 1942-09-08 | Eastman Kodak Co | Coating hopper |
| US2364552A (en) * | 1942-11-14 | 1944-12-05 | Sylvania Ind Corp | Process and apparatus for producing pellicles |
| US2579815A (en) * | 1948-11-27 | 1951-12-25 | Celanese Corp | Extrusion apparatus |
| BE495893A (enExample) * | 1949-05-24 | |||
| US2739070A (en) * | 1953-01-09 | 1956-03-20 | Eastman Kodak Co | Cellulose mixed ester film-forming composition and a film made therefrom |
| CA554506A (en) * | 1955-02-23 | 1958-03-18 | A. Russell Theodore | Simultaneous deposition of a plurality of fluid coating materials |
| US2831211A (en) * | 1955-07-01 | 1958-04-22 | Eastman Kodak Co | Apparatus for prevention of slug formation in the casting of film support and sheeting |
| US2927542A (en) * | 1956-04-11 | 1960-03-08 | Kloss Mfg & Supply Co | Apparatus for making ice cream sandwiches |
| NL220653A (enExample) * | 1956-09-11 | 1900-01-01 | ||
| US3082481A (en) * | 1959-05-13 | 1963-03-26 | American Viscose Corp | Method of making a gas filter |
| BE652866A (enExample) * | 1963-09-09 | |||
| GB1096640A (en) * | 1964-12-07 | 1967-12-29 | Monsanto Co | Micro-fiber spinning process |
| GB1487323A (en) * | 1973-10-26 | 1977-09-28 | Ici Ltd | Extrusion |
| FR2271917A1 (en) * | 1974-05-24 | 1975-12-19 | Ato Chimie | Extrusion die adaptor for admitting a hot fluid lubricant - to reduce haul off stresses or increase extrusion rates |
| JPS5759048B2 (enExample) * | 1974-07-16 | 1982-12-13 | Nippon Unicar Co Ltd | |
| US4187269A (en) * | 1975-11-17 | 1980-02-05 | The Dow Chemical Company | Extrusion process for reducing melt fracture |
| US4197069A (en) * | 1976-05-21 | 1980-04-08 | Peter Cloeren | Variable thickness extrusion die |
| JPS52144059A (en) * | 1976-05-26 | 1977-12-01 | Kuraray Co | Method of producing opposed belt continuous plate |
| JPS6027562B2 (ja) * | 1977-04-30 | 1985-06-29 | コニカ株式会社 | セルロ−スアセテ−トフイルムの製造方法 |
| US4485062A (en) * | 1983-07-05 | 1984-11-27 | E. I. Du Pont De Nemours And Company | Process for extruding polymers |
-
1980
- 1980-05-20 JP JP6687680A patent/JPS56162617A/ja active Granted
-
1981
- 1981-05-19 DE DE19813119906 patent/DE3119906A1/de not_active Withdrawn
- 1981-05-20 GB GB8115464A patent/GB2078157B/en not_active Expired
-
1983
- 1983-09-20 US US06/533,890 patent/US4592885A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB2078157A (en) | 1982-01-06 |
| JPS6243846B2 (enExample) | 1987-09-17 |
| JPS56162617A (en) | 1981-12-14 |
| GB2078157B (en) | 1984-09-26 |
| US4592885A (en) | 1986-06-03 |
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