GB1601054A - Isolation of polymers - Google Patents
Isolation of polymers Download PDFInfo
- Publication number
- GB1601054A GB1601054A GB22386/78A GB2238678A GB1601054A GB 1601054 A GB1601054 A GB 1601054A GB 22386/78 A GB22386/78 A GB 22386/78A GB 2238678 A GB2238678 A GB 2238678A GB 1601054 A GB1601054 A GB 1601054A
- Authority
- GB
- United Kingdom
- Prior art keywords
- water
- polymer
- separator
- section
- mixture
- 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.)
- Expired
Links
- 229920000642 polymer Polymers 0.000 title claims description 88
- 238000002955 isolation Methods 0.000 title claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 118
- 238000000034 method Methods 0.000 claims description 43
- 239000000203 mixture Substances 0.000 claims description 29
- 230000006835 compression Effects 0.000 claims description 21
- 238000007906 compression Methods 0.000 claims description 21
- 238000000926 separation method Methods 0.000 claims description 11
- 230000010006 flight Effects 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 9
- 229920001973 fluoroelastomer Polymers 0.000 claims description 8
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 claims description 7
- 229920001577 copolymer Polymers 0.000 claims description 6
- 239000003039 volatile agent Substances 0.000 claims description 6
- HCDGVLDPFQMKDK-UHFFFAOYSA-N hexafluoropropylene Chemical group FC(F)=C(F)C(F)(F)F HCDGVLDPFQMKDK-UHFFFAOYSA-N 0.000 claims description 5
- 150000003839 salts Chemical class 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 5
- 239000000178 monomer Substances 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims description 3
- 238000001291 vacuum drying Methods 0.000 claims description 3
- 238000010348 incorporation Methods 0.000 claims 1
- 239000002002 slurry Substances 0.000 description 20
- 230000008569 process Effects 0.000 description 14
- 239000000463 material Substances 0.000 description 6
- 238000001125 extrusion Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 239000000839 emulsion Substances 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000005345 coagulation Methods 0.000 description 3
- 230000015271 coagulation Effects 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000000701 coagulant Substances 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229920003051 synthetic elastomer Polymers 0.000 description 2
- 239000005061 synthetic rubber Substances 0.000 description 2
- 241001194788 Cylicodiscus gabunensis Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 229940103272 aluminum potassium sulfate Drugs 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- USFRYJRPHFMVBZ-UHFFFAOYSA-M benzyl(triphenyl)phosphanium;chloride Chemical compound [Cl-].C=1C=CC=CC=1[P+](C=1C=CC=CC=1)(C=1C=CC=CC=1)CC1=CC=CC=C1 USFRYJRPHFMVBZ-UHFFFAOYSA-M 0.000 description 1
- ZFVMWEVVKGLCIJ-UHFFFAOYSA-N bisphenol AF Chemical compound C1=CC(O)=CC=C1C(C(F)(F)F)(C(F)(F)F)C1=CC=C(O)C=C1 ZFVMWEVVKGLCIJ-UHFFFAOYSA-N 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- GRLPQNLYRHEGIJ-UHFFFAOYSA-J potassium aluminium sulfate Chemical compound [Al+3].[K+].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O GRLPQNLYRHEGIJ-UHFFFAOYSA-J 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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
- C08F6/00—Post-polymerisation treatments
- C08F6/24—Treatment of polymer suspensions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/009—Heating or cooling mechanisms specially adapted for settling tanks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/02—Settling tanks with single outlets for the separated liquid
- B01D21/04—Settling tanks with single outlets for the separated liquid with moving scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/2427—The feed or discharge opening located at a distant position from the side walls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/245—Discharge mechanisms for the sediments
- B01D21/2461—Positive-displacement pumps; Screw feeders; Trough conveyors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/30—Control equipment
- B01D21/34—Controlling the feed distribution; Controlling the liquid level ; Control of process parameters
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/801,370 US4132845A (en) | 1977-05-27 | 1977-05-27 | Mechanical dewatering process for elastomer slurries |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1601054A true GB1601054A (en) | 1981-10-21 |
Family
ID=25180923
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB22386/78A Expired GB1601054A (en) | 1977-05-27 | 1978-05-25 | Isolation of polymers |
| GB21556/79A Expired GB1601055A (en) | 1977-05-27 | 1978-05-25 | Apparatus for isolating polymers |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB21556/79A Expired GB1601055A (en) | 1977-05-27 | 1978-05-25 | Apparatus for isolating polymers |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4132845A (enExample) |
| JP (1) | JPS6045641B2 (enExample) |
| CA (1) | CA1118368A (enExample) |
| DE (1) | DE2822635A1 (enExample) |
| FR (1) | FR2392039A1 (enExample) |
| GB (2) | GB1601054A (enExample) |
| IT (1) | IT1094841B (enExample) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4408038A (en) * | 1982-03-29 | 1983-10-04 | E. I. Du Pont De Nemours & Co. | In-line coagulation process for fluoroelastomer emulsions |
| US4954303A (en) * | 1989-02-10 | 1990-09-04 | The Dow Chemical Company | Apparatus and process for devolatilization of high viscosity polymers |
| US4944657A (en) * | 1989-03-01 | 1990-07-31 | Mowli John C | Two-stage pumping apparatus with low shear first stage |
| US4968236A (en) * | 1989-07-06 | 1990-11-06 | Ultra Span - A Division Of Alphair Ventilating Systems Inc. | Auxiliary auger assembly for hollow core slab production |
| US5041249A (en) * | 1989-12-26 | 1991-08-20 | Exxon Chemical Patent Inc. | Process for low-temperature elastomer finishing |
| DE4110943C1 (enExample) * | 1991-04-05 | 1992-10-15 | Adalbert Dr.-Ing. 4280 Borken De Nagy | |
| US5267837A (en) * | 1992-09-23 | 1993-12-07 | Mowli John C | Two-stage pumping apparatus with non-meshing first stage augers |
| US5628560A (en) * | 1995-05-24 | 1997-05-13 | American Maplan Corporation | Double-screw extruder |
| US6239223B1 (en) | 1997-09-05 | 2001-05-29 | Chemfab Corporation | Fluoropolymeric composition |
| WO2001016215A1 (en) * | 1999-09-01 | 2001-03-08 | Daikin Industries, Ltd. | Process for producing elastic fluorocopolymer composition |
| US6720360B1 (en) * | 2000-02-01 | 2004-04-13 | 3M Innovative Properties Company | Ultra-clean fluoropolymers |
| US6593416B2 (en) | 2000-02-01 | 2003-07-15 | 3M Innovative Properties Company | Fluoropolymers |
| JP4924420B2 (ja) * | 2005-05-02 | 2012-04-25 | ダイキン工業株式会社 | 含フッ素重合体の製造方法および該製造方法により得られる含フッ素重合体 |
| DE202010001758U1 (de) * | 2010-02-02 | 2011-06-09 | UTS Biogastechnik GmbH, 85399 | Schneckenseparator |
| DE202010001765U1 (de) * | 2010-02-02 | 2011-06-09 | UTS Biogastechnik GmbH, 85399 | Schneckenseparator |
| DE202010001759U1 (de) * | 2010-02-02 | 2011-06-09 | UTS Biogastechnik GmbH, 85399 | Schneckenseparator |
| DE202017005336U1 (de) * | 2017-10-17 | 2019-01-21 | Leybold Gmbh | Schraubenrotor |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL123392C (enExample) * | 1959-12-01 | 1900-01-01 | ||
| DE1779922A1 (de) * | 1961-02-17 | 1972-01-13 | Internat Basic Economy Corp | Vorrichtung zum Entfernen von Fluessigkeit aus Elastomeren |
| US3687288A (en) * | 1970-09-03 | 1972-08-29 | Marco Dev Co Inc | Separator and method |
| FR2321456A1 (fr) * | 1975-08-19 | 1977-03-18 | Alsthom Cgee | Procede pour le compactage et l'essorage des boues fluides chargees de matieres fibreuses |
-
1977
- 1977-05-27 US US05/801,370 patent/US4132845A/en not_active Expired - Lifetime
-
1978
- 1978-05-24 DE DE19782822635 patent/DE2822635A1/de active Granted
- 1978-05-24 CA CA000303931A patent/CA1118368A/en not_active Expired
- 1978-05-25 JP JP53061760A patent/JPS6045641B2/ja not_active Expired
- 1978-05-25 GB GB22386/78A patent/GB1601054A/en not_active Expired
- 1978-05-25 GB GB21556/79A patent/GB1601055A/en not_active Expired
- 1978-05-26 IT IT23901/78A patent/IT1094841B/it active
- 1978-05-26 FR FR7815748A patent/FR2392039A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| IT1094841B (it) | 1985-08-10 |
| FR2392039B1 (enExample) | 1984-12-28 |
| DE2822635A1 (de) | 1978-11-30 |
| US4132845A (en) | 1979-01-02 |
| FR2392039A1 (fr) | 1978-12-22 |
| GB1601055A (en) | 1981-10-21 |
| IT7823901A0 (it) | 1978-05-26 |
| CA1118368A (en) | 1982-02-16 |
| JPS53147787A (en) | 1978-12-22 |
| JPS6045641B2 (ja) | 1985-10-11 |
| DE2822635C2 (enExample) | 1988-10-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19920525 |