DE1901872B2 - Verfahren zum stabilisieren von hochmolekularen perfluor polymeren - Google Patents
Verfahren zum stabilisieren von hochmolekularen perfluor polymerenInfo
- Publication number
- DE1901872B2 DE1901872B2 DE19691901872 DE1901872A DE1901872B2 DE 1901872 B2 DE1901872 B2 DE 1901872B2 DE 19691901872 DE19691901872 DE 19691901872 DE 1901872 A DE1901872 A DE 1901872A DE 1901872 B2 DE1901872 B2 DE 1901872B2
- Authority
- DE
- Germany
- Prior art keywords
- polymer
- polymers
- end groups
- groups
- copolymer
- 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
- 229920000642 polymer Polymers 0.000 title claims description 75
- 238000000034 method Methods 0.000 title claims description 22
- 230000000087 stabilizing effect Effects 0.000 title claims description 4
- 229910052731 fluorine Inorganic materials 0.000 claims description 17
- 239000011737 fluorine Substances 0.000 claims description 16
- 125000004432 carbon atom Chemical group C* 0.000 claims description 11
- 239000007787 solid Substances 0.000 claims description 7
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 4
- 239000003014 ion exchange membrane Substances 0.000 claims description 3
- 229920005548 perfluoropolymer Polymers 0.000 claims description 3
- 238000007385 chemical modification Methods 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 description 25
- 229920001577 copolymer Polymers 0.000 description 24
- 229920002313 fluoropolymer Polymers 0.000 description 22
- 238000003682 fluorination reaction Methods 0.000 description 14
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 14
- 238000012360 testing method Methods 0.000 description 13
- TXEYQDLBPFQVAA-UHFFFAOYSA-N tetrafluoromethane Chemical compound FC(F)(F)F TXEYQDLBPFQVAA-UHFFFAOYSA-N 0.000 description 12
- -1 Perfluoro Chemical group 0.000 description 11
- 239000000178 monomer Substances 0.000 description 11
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 9
- 239000000155 melt Substances 0.000 description 9
- 239000007789 gas Substances 0.000 description 8
- 150000001875 compounds Chemical class 0.000 description 7
- 125000003010 ionic group Chemical group 0.000 description 7
- 239000007788 liquid Substances 0.000 description 7
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 6
- HCDGVLDPFQMKDK-UHFFFAOYSA-N hexafluoropropylene Chemical group FC(F)=C(F)C(F)(F)F HCDGVLDPFQMKDK-UHFFFAOYSA-N 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000004580 weight loss Effects 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- 150000002978 peroxides Chemical class 0.000 description 5
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 5
- 150000001261 hydroxy acids Chemical class 0.000 description 4
- 238000006116 polymerization reaction Methods 0.000 description 4
- 239000002243 precursor Substances 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 4
- KHXKESCWFMPTFT-UHFFFAOYSA-N 1,1,1,2,2,3,3-heptafluoro-3-(1,2,2-trifluoroethenoxy)propane Chemical compound FC(F)=C(F)OC(F)(F)C(F)(F)C(F)(F)F KHXKESCWFMPTFT-UHFFFAOYSA-N 0.000 description 3
- QARLOMBMXGVKNV-UHFFFAOYSA-N 1,2,2-trifluoroethenesulfonyl fluoride Chemical compound FC(F)=C(F)S(F)(=O)=O QARLOMBMXGVKNV-UHFFFAOYSA-N 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 150000001408 amides Chemical class 0.000 description 3
- 239000012153 distilled water Substances 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000002329 infrared spectrum Methods 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229920000570 polyether Polymers 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- AJDIZQLSFPQPEY-UHFFFAOYSA-N 1,1,2-Trichlorotrifluoroethane Chemical compound FC(F)(Cl)C(F)(Cl)Cl AJDIZQLSFPQPEY-UHFFFAOYSA-N 0.000 description 2
- NHJFHUKLZMQIHN-UHFFFAOYSA-N 2,2,3,3,3-pentafluoropropanoyl 2,2,3,3,3-pentafluoropropaneperoxoate Chemical group FC(F)(F)C(F)(F)C(=O)OOC(=O)C(F)(F)C(F)(F)F NHJFHUKLZMQIHN-UHFFFAOYSA-N 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 150000007942 carboxylates Chemical class 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 239000000539 dimer Substances 0.000 description 2
- FJKIXWOMBXYWOQ-UHFFFAOYSA-N ethenoxyethane Chemical compound CCOC=C FJKIXWOMBXYWOQ-UHFFFAOYSA-N 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 150000007522 mineralic acids Chemical class 0.000 description 2
- 229920006120 non-fluorinated polymer Polymers 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 125000001424 substituent group Chemical group 0.000 description 2
- SBUOHGKIOVRDKY-UHFFFAOYSA-N 4-methyl-1,3-dioxolane Chemical compound CC1COCO1 SBUOHGKIOVRDKY-UHFFFAOYSA-N 0.000 description 1
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical group F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 1
- UOBPHQJGWSVXFS-UHFFFAOYSA-N [O].[F] Chemical compound [O].[F] UOBPHQJGWSVXFS-UHFFFAOYSA-N 0.000 description 1
- 229960000583 acetic acid Drugs 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 239000001099 ammonium carbonate Substances 0.000 description 1
- 235000012501 ammonium carbonate Nutrition 0.000 description 1
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium peroxydisulfate Substances [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 1
- VAZSKTXWXKYQJF-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)OOS([O-])=O VAZSKTXWXKYQJF-UHFFFAOYSA-N 0.000 description 1
- 229910001870 ammonium persulfate Inorganic materials 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 150000001721 carbon Chemical group 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical group [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000013068 control sample Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000006114 decarboxylation reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012025 fluorinating agent Substances 0.000 description 1
- 150000002221 fluorine Chemical class 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000012362 glacial acetic acid Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- PGFXOWRDDHCDTE-UHFFFAOYSA-N hexafluoropropylene oxide Chemical compound FC(F)(F)C1(F)OC1(F)F PGFXOWRDDHCDTE-UHFFFAOYSA-N 0.000 description 1
- 229920006158 high molecular weight polymer Polymers 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000012442 inert solvent Substances 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 229920003303 ion-exchange polymer Polymers 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- FYJQJMIEZVMYSD-UHFFFAOYSA-N perfluoro-2-butyltetrahydrofuran Chemical compound FC(F)(F)C(F)(F)C(F)(F)C(F)(F)C1(F)OC(F)(F)C(F)(F)C1(F)F FYJQJMIEZVMYSD-UHFFFAOYSA-N 0.000 description 1
- 125000005010 perfluoroalkyl group Chemical group 0.000 description 1
- SNGREZUHAYWORS-UHFFFAOYSA-N perfluorooctanoic acid Chemical compound OC(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F SNGREZUHAYWORS-UHFFFAOYSA-N 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 125000001453 quaternary ammonium group Chemical group 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000010183 spectrum analysis Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- OBTWBSRJZRCYQV-UHFFFAOYSA-N sulfuryl difluoride Chemical compound FS(F)(=O)=O OBTWBSRJZRCYQV-UHFFFAOYSA-N 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 238000010792 warming 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
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/20—Manufacture of shaped structures of ion-exchange resins
- C08J5/22—Films, membranes or diaphragms
- C08J5/2287—After-treatment
- C08J5/2293—After-treatment of fluorine-containing membranes
-
- 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
- C08F8/00—Chemical modification by after-treatment
- C08F8/18—Introducing halogen atoms or halogen-containing groups
- C08F8/20—Halogenation
- C08F8/22—Halogenation by reaction with free halogens
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/12—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08J2327/18—Homopolymers or copolymers of tetrafluoroethylene
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)
- Manufacturing & Machinery (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US69873168A | 1968-01-18 | 1968-01-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE1901872A1 DE1901872A1 (de) | 1970-02-19 |
| DE1901872B2 true DE1901872B2 (de) | 1971-04-08 |
Family
ID=24806441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19691901872 Pending DE1901872B2 (de) | 1968-01-18 | 1969-01-15 | Verfahren zum stabilisieren von hochmolekularen perfluor polymeren |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS4623245B1 (Direct) |
| DE (1) | DE1901872B2 (Direct) |
| FR (1) | FR1600355A (Direct) |
| GB (1) | GB1210794A (Direct) |
| NL (1) | NL6900832A (Direct) |
Families Citing this family (75)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1172919A (en) * | 1980-04-09 | 1984-08-21 | Walther G. Grot | Protective clothing of fabric containing a layer of highly fluorinated ion exchange polymer |
| CA1172920A (en) * | 1980-04-09 | 1984-08-21 | Walther G. Grot | Protective clothing of fabric containing a layer of highly fluorinated ion exchange polymer |
| US4599386A (en) * | 1984-10-18 | 1986-07-08 | E. I. Du Pont De Nemours And Company | Heat stable tetrafluoroethylene-perfluoro(alkyl vinyl ether) copolymers |
| US4743658A (en) * | 1985-10-21 | 1988-05-10 | E. I. Du Pont De Nemours And Company | Stable tetrafluoroethylene copolymers |
| US4675380A (en) * | 1985-10-25 | 1987-06-23 | E. I. Du Pont De Nemours And Company | Melt-processible tetrafluoroethylene/perfluoroolefin copolymer granules and processes for preparing them |
| US4742122A (en) * | 1985-10-25 | 1988-05-03 | E. I. Du Pont De Nemours And Company | Melt-processible tetrafluoroethylene/perfluoroolefin copolymers and processes for preparing them |
| DE3585092D1 (de) * | 1985-11-08 | 1992-02-13 | Du Pont | Schmelzverarbeitbare copolymere von tetrafluoraethylen und perfluorolefinen und verfahren zu ihrer herstellung. |
| DE3585160D1 (de) * | 1985-11-08 | 1992-02-20 | Du Pont | Verfahren zur behandlung von schmelzverarbeitbaren copolymeren von tetrafluoraethylen und perfluoralkylvinylaether. |
| EP0312077B1 (en) * | 1987-10-16 | 1994-01-26 | E.I. Du Pont De Nemours And Company | Conductive fluoropolymers |
| US4946902A (en) * | 1988-05-27 | 1990-08-07 | E. I. Du Pont De Nemours And Company | Process for the setabilization of fluoropolymers |
| US5045605A (en) * | 1988-05-27 | 1991-09-03 | E. I. Du Pont De Nemours And Company | Process for the stabilization of fluoropolymers |
| US5281680A (en) * | 1993-01-14 | 1994-01-25 | E. I. Du Pont De Nemours And Company | Polymerization of fluorinated copolymers |
| US5726214A (en) * | 1996-12-26 | 1998-03-10 | E. I. Du Pont De Nemours And Company | Self-foaming fluoropolymer composition |
| DE19805832A1 (de) | 1998-02-13 | 1999-08-19 | Dyneon Gmbh | Mischungen aus thermoplastischen Fluorpolymeren |
| US6541588B1 (en) | 1999-01-29 | 2003-04-01 | 3M Innovative Properties Company | Tetrafluoroethylene/hexafluoropropylene copolymers with higher drawability |
| DE19964006A1 (de) * | 1999-12-30 | 2001-07-12 | Dyneon Gmbh | Tetrafluorethylen-Copolymere |
| DE60119282T2 (de) | 2000-06-01 | 2007-04-19 | 3M Innovative Properties Co., Saint Paul | Verfahren zur herstellung von sehr reinen fluoropolymeren |
| DE10033514A1 (de) | 2000-07-11 | 2002-02-07 | Dyneon Gmbh | FEP mit erhöhter Wechselbiegefestigkeit und geringen Düsenablagerungen |
| US6583226B1 (en) | 2001-06-28 | 2003-06-24 | 3M Innovative Properties Company | FEP with increased flexural fatigue strength and a low level of die deposits |
| US7060772B2 (en) | 2001-09-20 | 2006-06-13 | 3M Innovative Properties Company | Fluoropolymers from tetrafluoroethylene and perfluoro(alkoxyalkyl vinyl) ether |
| US6743508B2 (en) | 2002-01-17 | 2004-06-01 | Daikin America, Inc. | Fep pellet |
| US6703464B2 (en) | 2002-01-17 | 2004-03-09 | Daikin America, Inc. | Flourine-containing copolymer |
| US6838545B2 (en) | 2002-11-08 | 2005-01-04 | E. I. Du Pont De Nemours And Company | Reaction of fluoropolymer melts |
| CN100389518C (zh) | 2003-01-20 | 2008-05-21 | 旭硝子株式会社 | 固体高分子型燃料电池用电解质材料的制造方法及固体高分子型燃料电池用膜电极接合体 |
| CN100426575C (zh) * | 2003-05-13 | 2008-10-15 | 旭硝子株式会社 | 固体高分子型燃料电池用电解质聚合物、其制造方法和膜·电极接合体 |
| US7122609B2 (en) | 2003-05-14 | 2006-10-17 | E. I. Du Pont De Nemours And Company | High melt flow fluoropolymer |
| WO2005028522A1 (ja) | 2003-09-10 | 2005-03-31 | Asahi Kasei Chemicals Corporation | 安定化フルオロポリマー及びその製造方法 |
| WO2005049661A1 (ja) | 2003-11-20 | 2005-06-02 | Daikin Industries, Ltd. | 含フッ素重合体製造方法及び含フッ素重合体物 |
| WO2005058980A1 (ja) * | 2003-12-17 | 2005-06-30 | Daikin Industries, Ltd. | フルオロポリマー、フルオロポリマー製造方法、電解質膜、活性物質固定体及び固体高分子電解質型燃料電池 |
| EP1798793B1 (en) | 2004-08-18 | 2012-04-11 | Asahi Glass Company, Limited | Electrolyte polymer for fuel cell, method for producing same, electrolyte membrane, and membrane electrode assembly |
| US7342081B2 (en) | 2004-12-28 | 2008-03-11 | 3M Innovative Properties Company | Fluoropolymer compositions, coated articles, and method of making the same |
| JP4916668B2 (ja) * | 2005-03-01 | 2012-04-18 | 旭化成イーマテリアルズ株式会社 | 高安定性フッ素化スルホン酸ポリマー |
| US7214740B2 (en) * | 2005-05-03 | 2007-05-08 | 3M Innovative Properties Company | Fluorinated ionomers with reduced amounts of carbonyl end groups |
| US8617765B2 (en) | 2005-12-22 | 2013-12-31 | E I Du Pont De Nemours And Company | Chemically stabilized ionomers containing inorganic fillers |
| EP1971650A2 (en) * | 2005-12-22 | 2008-09-24 | E.I. Du Pont De Nemours And Company | Methods to prepare chemically stabilized ionomers containing inorganic fillers |
| EP2474562B1 (en) * | 2006-02-03 | 2022-06-15 | Daikin Industries, Ltd. | Method for producing -SO3H group-containing fluoropolymer and -SO3H group-containing fluoropolymer |
| KR101446817B1 (ko) | 2006-10-03 | 2014-10-01 | 쓰리엠 이노베이티브 프로퍼티즈 캄파니 | 다층 용품 및 그의 릴리스 수명 개선 방법 |
| EP1914251A1 (en) | 2006-10-17 | 2008-04-23 | Solvay Solexis S.p.A. | Process for stabilizing fluoropolymer having ion exchange groups |
| WO2008047906A1 (en) * | 2006-10-20 | 2008-04-24 | Daikin Industries, Ltd. | Fluorinated copolymer, electric wire, and method for production of the electric wire |
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-
1968
- 1968-12-31 FR FR1600355D patent/FR1600355A/fr not_active Expired
-
1969
- 1969-01-15 DE DE19691901872 patent/DE1901872B2/de active Pending
- 1969-01-16 JP JP268569A patent/JPS4623245B1/ja active Pending
- 1969-01-16 GB GB272269A patent/GB1210794A/en not_active Expired
- 1969-01-17 NL NL6900832A patent/NL6900832A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1901872A1 (de) | 1970-02-19 |
| NL6900832A (Direct) | 1969-07-22 |
| JPS4623245B1 (Direct) | 1971-07-02 |
| FR1600355A (Direct) | 1970-07-20 |
| GB1210794A (en) | 1970-10-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| E77 | Valid patent as to the heymanns-index 1977 |