DE19915705C2 - Verfahren zur Abtrennung von Feststoffen aus Polymerlösungen - Google Patents
Verfahren zur Abtrennung von Feststoffen aus PolymerlösungenInfo
- Publication number
- DE19915705C2 DE19915705C2 DE19915705A DE19915705A DE19915705C2 DE 19915705 C2 DE19915705 C2 DE 19915705C2 DE 19915705 A DE19915705 A DE 19915705A DE 19915705 A DE19915705 A DE 19915705A DE 19915705 C2 DE19915705 C2 DE 19915705C2
- Authority
- DE
- Germany
- Prior art keywords
- solid
- polymer
- sedimentation
- mol
- separation
- 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 - Fee Related
Links
- 239000007787 solid Substances 0.000 title claims description 80
- 229920000642 polymer Polymers 0.000 title claims description 70
- 238000000034 method Methods 0.000 title claims description 45
- 238000000926 separation method Methods 0.000 title claims description 29
- 238000004062 sedimentation Methods 0.000 claims description 50
- 239000002904 solvent Substances 0.000 claims description 28
- 238000005406 washing Methods 0.000 claims description 28
- 239000013049 sediment Substances 0.000 claims description 20
- 239000011541 reaction mixture Substances 0.000 claims description 19
- 239000007788 liquid Substances 0.000 claims description 17
- 239000000203 mixture Substances 0.000 claims description 16
- 239000004734 Polyphenylene sulfide Substances 0.000 claims description 13
- 229920000069 polyphenylene sulfide Polymers 0.000 claims description 13
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical group [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 9
- 229910052717 sulfur Inorganic materials 0.000 claims description 9
- 239000011593 sulfur Substances 0.000 claims description 9
- 239000006228 supernatant Substances 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 8
- 239000000178 monomer Substances 0.000 claims description 7
- 239000002689 soil Substances 0.000 claims description 5
- 208000012839 conversion disease Diseases 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims 1
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 41
- 239000000243 solution Substances 0.000 description 20
- 238000006243 chemical reaction Methods 0.000 description 15
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 13
- 239000012530 fluid Substances 0.000 description 11
- 150000003839 salts Chemical class 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 239000012071 phase Substances 0.000 description 10
- 239000000126 substance Substances 0.000 description 10
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 9
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 7
- 239000011780 sodium chloride Substances 0.000 description 7
- 239000010936 titanium Substances 0.000 description 7
- 229910052719 titanium Inorganic materials 0.000 description 7
- 238000006116 polymerization reaction Methods 0.000 description 6
- 239000000725 suspension Substances 0.000 description 6
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 5
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- 150000007513 acids Chemical class 0.000 description 4
- 150000001342 alkaline earth metals Chemical class 0.000 description 4
- 239000006227 byproduct Substances 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 4
- 238000006068 polycondensation reaction Methods 0.000 description 4
- -1 siloxanes Chemical class 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- 239000002585 base Substances 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 239000012452 mother liquor Substances 0.000 description 3
- 229910052979 sodium sulfide Inorganic materials 0.000 description 3
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- OCJBOOLMMGQPQU-UHFFFAOYSA-N 1,4-dichlorobenzene Chemical compound ClC1=CC=C(Cl)C=C1 OCJBOOLMMGQPQU-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 229920003235 aromatic polyamide Polymers 0.000 description 2
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000004305 biphenyl Substances 0.000 description 2
- 235000010290 biphenyl Nutrition 0.000 description 2
- 230000001914 calming effect Effects 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 150000007942 carboxylates Chemical class 0.000 description 2
- 150000001735 carboxylic acids Chemical class 0.000 description 2
- 238000005119 centrifugation Methods 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 239000012456 homogeneous solution Substances 0.000 description 2
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- YNPNZTXNASCQKK-UHFFFAOYSA-N phenanthrene Chemical compound C1=CC=C2C3=CC=CC=C3C=CC2=C1 YNPNZTXNASCQKK-UHFFFAOYSA-N 0.000 description 2
- 239000002798 polar solvent Substances 0.000 description 2
- 229920001643 poly(ether ketone) Polymers 0.000 description 2
- 229920000412 polyarylene Polymers 0.000 description 2
- 239000001632 sodium acetate Substances 0.000 description 2
- 235000017281 sodium acetate Nutrition 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 125000004191 (C1-C6) alkoxy group Chemical group 0.000 description 1
- 125000004169 (C1-C6) alkyl group Chemical group 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 239000005711 Benzoic acid Substances 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 description 1
- 150000001242 acetic acid derivatives Chemical class 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 150000007933 aliphatic carboxylic acids Chemical class 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 150000001449 anionic compounds Chemical class 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 125000000732 arylene group Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000010233 benzoic acid Nutrition 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 150000001767 cationic compounds Chemical class 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 150000004985 diamines Chemical class 0.000 description 1
- XNFVGEUMTFIVHQ-UHFFFAOYSA-N disodium;sulfide;hydrate Chemical compound O.[Na+].[Na+].[S-2] XNFVGEUMTFIVHQ-UHFFFAOYSA-N 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 206010016256 fatigue Diseases 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 125000005842 heteroatom Chemical group 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 229910001412 inorganic anion Inorganic materials 0.000 description 1
- 229910001411 inorganic cation Inorganic materials 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 150000002891 organic anions Chemical class 0.000 description 1
- 150000002892 organic cations Chemical class 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000005501 phase interface Effects 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920006393 polyether sulfone Polymers 0.000 description 1
- 238000011085 pressure filtration Methods 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 235000019260 propionic acid Nutrition 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000008247 solid mixture Substances 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 238000001694 spray drying Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 150000004763 sulfides Chemical class 0.000 description 1
- 150000003457 sulfones Chemical class 0.000 description 1
- 125000000542 sulfonic acid group Chemical group 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000010626 work up procedure Methods 0.000 description 1
- 229910052845 zircon Inorganic materials 0.000 description 1
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G75/00—Macromolecular compounds obtained by reactions forming a linkage containing sulfur with or without nitrogen, oxygen, or carbon in the main chain of the macromolecule
- C08G75/02—Polythioethers
- C08G75/0204—Polyarylenethioethers
- C08G75/0277—Post-polymerisation treatment
- C08G75/0281—Recovery or purification
-
- 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
-
- 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
- B01D21/2405—Feed mechanisms for settling tanks
- B01D21/2416—Liquid distributors with a plurality of feed points
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/16—Fractionating columns in which vapour bubbles through liquid
- B01D3/24—Fractionating columns in which vapour bubbles through liquid with sloping plates or elements mounted stepwise
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/005—Separating solid material from the gas/liquid stream
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/005—Separating solid material from the gas/liquid stream
- B01J8/007—Separating solid material from the gas/liquid stream by sedimentation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G75/00—Macromolecular compounds obtained by reactions forming a linkage containing sulfur with or without nitrogen, oxygen, or carbon in the main chain of the macromolecule
- C08G75/02—Polythioethers
- C08G75/0204—Polyarylenethioethers
- C08G75/0209—Polyarylenethioethers derived from monomers containing one aromatic ring
- C08G75/0213—Polyarylenethioethers derived from monomers containing one aromatic ring containing elements other than carbon, hydrogen or sulfur
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G75/00—Macromolecular compounds obtained by reactions forming a linkage containing sulfur with or without nitrogen, oxygen, or carbon in the main chain of the macromolecule
- C08G75/02—Polythioethers
- C08G75/0204—Polyarylenethioethers
- C08G75/025—Preparatory processes
- C08G75/0254—Preparatory processes using metal sulfides
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- General Chemical & Material Sciences (AREA)
- Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
- Other Resins Obtained By Reactions Not Involving Carbon-To-Carbon Unsaturated Bonds (AREA)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19915705A DE19915705C2 (de) | 1999-04-08 | 1999-04-08 | Verfahren zur Abtrennung von Feststoffen aus Polymerlösungen |
| AU45388/00A AU4538800A (en) | 1999-04-08 | 2000-03-20 | Method and device for separating solids from polymer solutions |
| US09/958,365 US6734282B1 (en) | 1999-04-08 | 2000-03-20 | Method and device for separating solids from polymer solutions |
| DE50007492T DE50007492D1 (de) | 1999-04-08 | 2000-03-20 | Verfahren und vorrichtung zur abtrennung von feststoffen aus polymerlösungen |
| PCT/EP2000/002451 WO2000061659A1 (de) | 1999-04-08 | 2000-03-20 | Verfahren und vorrichtung zur abtrennung von feststoffen aus polymerlösungen |
| EP00926742A EP1173500B1 (de) | 1999-04-08 | 2000-03-20 | Verfahren und vorrichtung zur abtrennung von feststoffen aus polymerlösungen |
| JP2000611596A JP4685244B2 (ja) | 1999-04-08 | 2000-03-20 | 重合体溶液から固体を分離する方法および装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19915705A DE19915705C2 (de) | 1999-04-08 | 1999-04-08 | Verfahren zur Abtrennung von Feststoffen aus Polymerlösungen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE19915705A1 DE19915705A1 (de) | 2000-10-19 |
| DE19915705C2 true DE19915705C2 (de) | 2002-09-12 |
Family
ID=7903791
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19915705A Expired - Fee Related DE19915705C2 (de) | 1999-04-08 | 1999-04-08 | Verfahren zur Abtrennung von Feststoffen aus Polymerlösungen |
| DE50007492T Expired - Fee Related DE50007492D1 (de) | 1999-04-08 | 2000-03-20 | Verfahren und vorrichtung zur abtrennung von feststoffen aus polymerlösungen |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE50007492T Expired - Fee Related DE50007492D1 (de) | 1999-04-08 | 2000-03-20 | Verfahren und vorrichtung zur abtrennung von feststoffen aus polymerlösungen |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US6734282B1 (https=) |
| EP (1) | EP1173500B1 (https=) |
| JP (1) | JP4685244B2 (https=) |
| AU (1) | AU4538800A (https=) |
| DE (2) | DE19915705C2 (https=) |
| WO (1) | WO2000061659A1 (https=) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE60232602D1 (de) | 2001-12-03 | 2009-07-23 | Kureha Corp | Verfahren zur kontinuierlichen reinigung von polyarylensulfid |
| DE10163163A1 (de) | 2001-12-20 | 2003-07-03 | Basf Ag | Verfahren zur Herstellung hochfunktioneller, Hyperverzweigter Polyester durch enzymatische Veresterung |
| US7718137B2 (en) * | 2005-10-28 | 2010-05-18 | Eastman Chemical Company | Reactor with optimized internal tray design |
| EP2258750B1 (en) * | 2008-03-28 | 2014-11-05 | Toray Industries, Inc. | Process for producing fine particles of polyphenylene sulfide resin, fine particles of polyphenylene sulfide resin, and dispersion thereof |
| US8263734B2 (en) * | 2009-02-13 | 2012-09-11 | Chevron Phillips Chemical Company Lp | System and method for reducing off-gassing of polyphenylene sulfide |
| US8518268B1 (en) | 2009-10-23 | 2013-08-27 | Flocate Industries, Inc. | Method and apparatus for mobile water filtration |
| WO2015166838A1 (ja) * | 2014-04-30 | 2015-11-05 | 株式会社クレハ | ポリアリーレンスルフィドの製造方法、及び、ポリアリーレンスルフィドの製造装置 |
| JP6803844B2 (ja) | 2015-02-19 | 2020-12-23 | ティコナ・エルエルシー | 低粘度のポリアリーレンスルフィドを形成する方法 |
| WO2016133739A1 (en) | 2015-02-19 | 2016-08-25 | Ticona Llc | Method for forming a high molecular weight polyarylene sulfide |
| WO2016133740A1 (en) | 2015-02-19 | 2016-08-25 | Ticona Llc | Method of polyarylene sulfide precipitation |
| WO2016153610A1 (en) | 2015-03-25 | 2016-09-29 | Ticona Llc | Technique for forming a high melt viscosity polyarylene sulfide |
| US11185840B2 (en) | 2017-10-12 | 2021-11-30 | Kureha Corporation | Continuous polymerization apparatus and continuous production method for polymer |
| CN107964098B (zh) * | 2017-11-29 | 2020-03-27 | 中国石油化工股份有限公司 | 一种聚苯硫醚合成中除盐的方法及装置 |
| CN108219135B (zh) * | 2017-12-25 | 2021-05-04 | 浙江新和成特种材料有限公司 | 一种聚苯硫醚树脂的连续洗涤装置 |
| US11407861B2 (en) | 2019-06-28 | 2022-08-09 | Ticona Llc | Method for forming a polyarylene sulfide |
| CN115279734A (zh) | 2019-12-20 | 2022-11-01 | 提克纳有限责任公司 | 形成聚芳硫醚的方法 |
| JP2024535216A (ja) | 2021-09-08 | 2024-09-30 | ティコナ・エルエルシー | ポリアリーレンスルフィド廃棄汚泥から有機溶媒を回収するための逆溶媒技術 |
| US12018129B2 (en) | 2021-09-08 | 2024-06-25 | Ticona Llc | Extraction technique for recovering an organic solvent from a polyarylene sulfide waste sludge |
| CN115558805B (zh) * | 2022-11-04 | 2023-11-28 | 攀钢集团攀枝花钢铁研究院有限公司 | 一种含氨浸出浆料固液分离的方法及装置 |
| WO2025111902A1 (zh) * | 2023-11-30 | 2025-06-05 | 青美邦新能源材料有限公司 | 一种红土镍矿湿法冶金多级逆流洗涤系统 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4421874A (en) * | 1981-06-02 | 1983-12-20 | Phillips Petroleum Company | Polymer slurry washing |
| US4526684A (en) * | 1981-06-02 | 1985-07-02 | Phillips Petroleum Company, | Polymer slurry washing |
| DE19653011C2 (de) * | 1996-12-19 | 1998-12-03 | Hoechst Ag | Verfahren zur Trennung von Polymer-Salz-Gemischen und Vorrichtung dazu |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE241368C (https=) | ||||
| DE2826196A1 (de) * | 1978-06-15 | 1979-12-20 | Hoechst Ag | Verfahren zur rueckgewinnung von nicht umgesetztem propylen bei der massepolymerisation |
| US4290998A (en) * | 1978-12-21 | 1981-09-22 | Erco Industries Limited | Washing apparatus in chlorine dioxide production |
| DD241368A1 (de) * | 1985-10-02 | 1986-12-10 | Leuna Werke Veb | Vorrichtung zur abtrennung von feststoff |
| DE4103345A1 (de) * | 1991-02-05 | 1992-08-06 | Bayer Ag | Verfahren zur isolierung und reinigung von polyarylensulfiden |
| EP0785962B1 (de) * | 1994-10-13 | 1999-07-28 | Ticona GmbH | Verfahren zur recyclierung von polyarylensulfiden |
| DE19513479A1 (de) * | 1995-04-13 | 1996-10-17 | Hoechst Ag | Verfahren zur Herstellung von Polyarylensulfid |
| DE19640737A1 (de) * | 1996-10-02 | 1998-04-09 | Hoechst Ag | Verfahren zur Herstellung von schwefelhaltigen Polymeren |
| WO2001046305A2 (en) * | 1999-12-20 | 2001-06-28 | Advanced Plastics Technologies, Ltd. | Recycling of articles comprising hydroxy-phenoxyether polymers |
-
1999
- 1999-04-08 DE DE19915705A patent/DE19915705C2/de not_active Expired - Fee Related
-
2000
- 2000-03-20 JP JP2000611596A patent/JP4685244B2/ja not_active Expired - Fee Related
- 2000-03-20 EP EP00926742A patent/EP1173500B1/de not_active Expired - Lifetime
- 2000-03-20 AU AU45388/00A patent/AU4538800A/en not_active Abandoned
- 2000-03-20 DE DE50007492T patent/DE50007492D1/de not_active Expired - Fee Related
- 2000-03-20 WO PCT/EP2000/002451 patent/WO2000061659A1/de not_active Ceased
- 2000-03-20 US US09/958,365 patent/US6734282B1/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4421874A (en) * | 1981-06-02 | 1983-12-20 | Phillips Petroleum Company | Polymer slurry washing |
| US4526684A (en) * | 1981-06-02 | 1985-07-02 | Phillips Petroleum Company, | Polymer slurry washing |
| DE19653011C2 (de) * | 1996-12-19 | 1998-12-03 | Hoechst Ag | Verfahren zur Trennung von Polymer-Salz-Gemischen und Vorrichtung dazu |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2000061659A1 (de) | 2000-10-19 |
| JP4685244B2 (ja) | 2011-05-18 |
| EP1173500B1 (de) | 2004-08-18 |
| JP2002542324A (ja) | 2002-12-10 |
| US6734282B1 (en) | 2004-05-11 |
| DE19915705A1 (de) | 2000-10-19 |
| EP1173500A1 (de) | 2002-01-23 |
| AU4538800A (en) | 2000-11-14 |
| DE50007492D1 (de) | 2004-09-23 |
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| 8339 | Ceased/non-payment of the annual fee |