JPS6144882B2 - - Google Patents
Info
- Publication number
- JPS6144882B2 JPS6144882B2 JP56195770A JP19577081A JPS6144882B2 JP S6144882 B2 JPS6144882 B2 JP S6144882B2 JP 56195770 A JP56195770 A JP 56195770A JP 19577081 A JP19577081 A JP 19577081A JP S6144882 B2 JPS6144882 B2 JP S6144882B2
- Authority
- JP
- Japan
- Prior art keywords
- polymer
- liquid compound
- fluorinated
- integer
- extraction
- 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 claims description 33
- 229920001577 copolymer Polymers 0.000 claims description 30
- 238000000034 method Methods 0.000 claims description 25
- 150000001875 compounds Chemical class 0.000 claims description 23
- 239000007788 liquid Substances 0.000 claims description 23
- 238000000605 extraction Methods 0.000 claims description 16
- 238000009835 boiling Methods 0.000 claims description 13
- 125000000524 functional group Chemical group 0.000 claims description 12
- 229920002313 fluoropolymer Polymers 0.000 claims description 10
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims description 9
- 125000000217 alkyl group Chemical group 0.000 claims description 8
- 150000001924 cycloalkanes Chemical class 0.000 claims description 4
- 238000001704 evaporation Methods 0.000 claims description 3
- 230000008020 evaporation Effects 0.000 claims description 3
- 239000004816 latex Substances 0.000 claims description 3
- 229920000126 latex Polymers 0.000 claims description 3
- 238000009833 condensation Methods 0.000 claims description 2
- 230000005494 condensation Effects 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 4
- FJSRPVWDOJSWBX-UHFFFAOYSA-N 1-chloro-4-[1-(4-chlorophenyl)-2,2,2-trifluoroethyl]benzene Chemical compound C=1C=C(Cl)C=CC=1C(C(F)(F)F)C1=CC=C(Cl)C=C1 FJSRPVWDOJSWBX-UHFFFAOYSA-N 0.000 claims 1
- 239000012528 membrane Substances 0.000 description 49
- 239000000178 monomer Substances 0.000 description 24
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 9
- -1 fluorinated vinyl compound Chemical class 0.000 description 8
- 238000005342 ion exchange Methods 0.000 description 8
- 239000000460 chlorine Substances 0.000 description 7
- 239000010410 layer Substances 0.000 description 7
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 239000003513 alkali Substances 0.000 description 6
- 125000001153 fluoro group Chemical group F* 0.000 description 5
- 229920003303 ion-exchange polymer Polymers 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 4
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 4
- 229910052801 chlorine Inorganic materials 0.000 description 4
- 229910052731 fluorine Inorganic materials 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 125000000391 vinyl group Chemical class [H]C([*])=C([H])[H] 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 150000001335 aliphatic alkanes Chemical class 0.000 description 3
- 239000012267 brine Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 2
- 150000001732 carboxylic acid derivatives Chemical group 0.000 description 2
- 125000002843 carboxylic acid group Chemical group 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 235000019000 fluorine Nutrition 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 238000002329 infrared spectrum Methods 0.000 description 2
- 239000003014 ion exchange membrane Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- BUUPQKDIAURBJP-UHFFFAOYSA-N sulfinic acid Chemical compound OS=O BUUPQKDIAURBJP-UHFFFAOYSA-N 0.000 description 2
- 230000004580 weight loss Effects 0.000 description 2
- AJDIZQLSFPQPEY-UHFFFAOYSA-N 1,1,2-Trichlorotrifluoroethane Chemical compound FC(F)(Cl)C(F)(Cl)Cl AJDIZQLSFPQPEY-UHFFFAOYSA-N 0.000 description 1
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 description 1
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 229910003202 NH4 Inorganic materials 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 125000005907 alkyl ester group Chemical group 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 125000003262 carboxylic acid ester group Chemical group [H]C([H])([*:2])OC(=O)C([H])([H])[*:1] 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- KYKAJFCTULSVSH-UHFFFAOYSA-N chloro(fluoro)methane Chemical compound F[C]Cl KYKAJFCTULSVSH-UHFFFAOYSA-N 0.000 description 1
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000007720 emulsion polymerization reaction Methods 0.000 description 1
- 230000032050 esterification Effects 0.000 description 1
- 238000005886 esterification reaction Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- XUCNUKMRBVNAPB-UHFFFAOYSA-N fluoroethene Chemical compound FC=C XUCNUKMRBVNAPB-UHFFFAOYSA-N 0.000 description 1
- AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 description 1
- HCDGVLDPFQMKDK-UHFFFAOYSA-N hexafluoropropylene Chemical group FC(F)=C(F)C(F)(F)F HCDGVLDPFQMKDK-UHFFFAOYSA-N 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 238000012804 iterative process Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 125000002560 nitrile group Chemical group 0.000 description 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- HMRWGKIZOBXNRB-UHFFFAOYSA-N octane-1-sulfonyl fluoride Chemical compound CCCCCCCCS(F)(=O)=O HMRWGKIZOBXNRB-UHFFFAOYSA-N 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000012783 reinforcing fiber Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 229930195734 saturated hydrocarbon Natural products 0.000 description 1
- 239000011555 saturated liquid Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 150000008054 sulfonate salts Chemical class 0.000 description 1
- 150000003460 sulfonic acids Chemical class 0.000 description 1
- 125000000472 sulfonyl group Chemical group *S(*)(=O)=O 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 229920002554 vinyl polymer Polymers 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
- C08F6/26—Treatment of polymers prepared in bulk also solid polymers or polymer melts
- C08F6/28—Purification
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/452,377 US4601283A (en) | 1981-12-07 | 1982-12-22 | Endoscope with a memory shape alloy to control tube bending |
| DE19823248389 DE3248389A1 (de) | 1981-12-07 | 1982-12-28 | Endoskop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/214,997 US4360601A (en) | 1980-12-10 | 1980-12-10 | Process for extraction of fluorinated copolymers with fluorocarbons |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57121005A JPS57121005A (en) | 1982-07-28 |
| JPS6144882B2 true JPS6144882B2 (US07223432-20070529-C00017.png) | 1986-10-04 |
Family
ID=22801225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56195770A Granted JPS57121005A (en) | 1980-12-10 | 1981-12-07 | Extraction of fluorine-containing polymer |
Country Status (5)
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4650711A (en) * | 1985-05-31 | 1987-03-17 | The Dow Chemical Company | Method for sizing polytetrafluoroethylene fabrics |
| US5110385A (en) * | 1985-05-31 | 1992-05-05 | The Dow Chemical Company | Method for forming polymer composite films using a removable substrate |
| US5114515A (en) * | 1985-05-31 | 1992-05-19 | The Dow Chemical Company | Method for forming polymer composite films using removable substrates |
| US4784882A (en) * | 1985-05-31 | 1988-11-15 | The Dow Chemical Company | Method for forming composite polymer films |
| US4784900A (en) * | 1985-05-31 | 1988-11-15 | University Of Bath | Method for sizing polytretrafluoroethylene fabrics |
| HUT44053A (en) * | 1985-05-31 | 1988-01-28 | Dow Chemical Co | New fluoropolymer solutions |
| US4650551A (en) * | 1985-05-31 | 1987-03-17 | The Dow Chemical Company | Supported ion exchange membrane films |
| US4778723A (en) * | 1986-06-20 | 1988-10-18 | The Dow Chemical Company | Method for sizing polytetrafluoroethylene fibers, yarn, or threads |
| US4698243A (en) * | 1986-06-20 | 1987-10-06 | The Dow Chemical Company | Method for sizing and hydrolyzing polytetrafluoroethylene fabrics, fibers, yarns, or threads |
| JPH02169603A (ja) * | 1988-12-23 | 1990-06-29 | Toyo Eng Corp | 重合体分散液の精製方法 |
| JP3006049B2 (ja) * | 1990-07-26 | 2000-02-07 | ダイキン工業株式会社 | 溶融加工可能なテトラフルオロエチレン共重合体の低分子量体除去方法 |
| US5152882A (en) * | 1990-09-28 | 1992-10-06 | Rosemount Inc. | Integral hydrolysis layer junction |
| EP0545068A3 (en) * | 1991-11-08 | 1993-12-22 | Du Pont | Wetting of diaphragms |
| US5237049A (en) * | 1992-08-28 | 1993-08-17 | E. I. Du Pont De Nemours And Company | Purification and adhesion of fluoropolymers |
| US5281680A (en) * | 1993-01-14 | 1994-01-25 | E. I. Du Pont De Nemours And Company | Polymerization of fluorinated copolymers |
| WO2003073921A1 (en) * | 2002-03-06 | 2003-09-12 | Atropos Limited | A steerable colonoscope probe with variable stiffness |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3221070A (en) * | 1963-09-12 | 1965-11-30 | Thiokol Chemical Corp | Isolation of tetrafluoroethylene and hexafluoropropene from the pyrolyzates of chlorodifluoromethane |
| US4131740A (en) * | 1977-04-20 | 1978-12-26 | E. I. Du Pont De Nemours And Company | Alkyl perfluoro-ω-fluoroformyl esters and their preparation |
| FR2388014A1 (fr) * | 1977-04-20 | 1978-11-17 | Du Pont | Polymere fluore echangeur d'ions comportant des groupes carboxyliques et pellicules et membranes formees de ce polymere |
| US4243508A (en) * | 1979-04-26 | 1981-01-06 | Dankese Joseph P | Electrochemical apparatus |
-
1980
- 1980-12-10 US US06/214,997 patent/US4360601A/en not_active Expired - Lifetime
-
1981
- 1981-10-28 EP EP81305112A patent/EP0056896B2/en not_active Expired
- 1981-10-28 DE DE8181305112T patent/DE3163767D1/de not_active Expired
- 1981-12-07 JP JP56195770A patent/JPS57121005A/ja active Granted
- 1981-12-08 CA CA000391790A patent/CA1215196A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE3163767D1 (en) | 1984-06-28 |
| EP0056896B1 (en) | 1984-05-23 |
| JPS57121005A (en) | 1982-07-28 |
| EP0056896B2 (en) | 1989-11-23 |
| EP0056896A1 (en) | 1982-08-04 |
| CA1215196A (en) | 1986-12-09 |
| US4360601A (en) | 1982-11-23 |
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