DE60111092T2 - Verfahren zur Herstellung von wässrigen Dispersionen von Fluorpolymeren - Google Patents
Verfahren zur Herstellung von wässrigen Dispersionen von Fluorpolymeren Download PDFInfo
- Publication number
- DE60111092T2 DE60111092T2 DE60111092T DE60111092T DE60111092T2 DE 60111092 T2 DE60111092 T2 DE 60111092T2 DE 60111092 T DE60111092 T DE 60111092T DE 60111092 T DE60111092 T DE 60111092T DE 60111092 T2 DE60111092 T2 DE 60111092T2
- Authority
- DE
- Germany
- Prior art keywords
- range
- reactor
- microemulsion
- per
- fluorinated
- 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
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- 239000006185 dispersion Substances 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 40
- 238000002360 preparation method Methods 0.000 title claims abstract description 7
- 229920002313 fluoropolymer Polymers 0.000 title description 10
- 239000004811 fluoropolymer Substances 0.000 title description 9
- 239000002245 particle Substances 0.000 claims abstract description 74
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims abstract description 72
- 239000004530 micro-emulsion Substances 0.000 claims abstract description 36
- 238000009826 distribution Methods 0.000 claims abstract description 35
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 33
- 239000004094 surface-active agent Substances 0.000 claims abstract description 32
- 230000002902 bimodal effect Effects 0.000 claims abstract description 20
- 239000003921 oil Substances 0.000 claims abstract description 6
- 229920001577 copolymer Polymers 0.000 claims abstract description 5
- 229920001519 homopolymer Polymers 0.000 claims abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 29
- 239000010702 perfluoropolyether Substances 0.000 claims description 28
- 229920000642 polymer Polymers 0.000 claims description 27
- 239000004816 latex Substances 0.000 claims description 25
- 229920000126 latex Polymers 0.000 claims description 25
- 238000006243 chemical reaction Methods 0.000 claims description 18
- -1 NH 4 Inorganic materials 0.000 claims description 9
- 239000003999 initiator Substances 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- XUCNUKMRBVNAPB-UHFFFAOYSA-N fluoroethene Chemical compound FC=C XUCNUKMRBVNAPB-UHFFFAOYSA-N 0.000 claims description 6
- HCDGVLDPFQMKDK-UHFFFAOYSA-N hexafluoropropylene Chemical compound FC(F)=C(F)C(F)(F)F HCDGVLDPFQMKDK-UHFFFAOYSA-N 0.000 claims description 6
- 229910052708 sodium Inorganic materials 0.000 claims description 6
- 238000012546 transfer Methods 0.000 claims description 6
- UUAGAQFQZIEFAH-UHFFFAOYSA-N chlorotrifluoroethylene Chemical group FC(F)=C(F)Cl UUAGAQFQZIEFAH-UHFFFAOYSA-N 0.000 claims description 5
- 239000000178 monomer Substances 0.000 claims description 5
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 claims description 4
- 125000001153 fluoro group Chemical group F* 0.000 claims description 4
- 125000001309 chloro group Chemical group Cl* 0.000 claims description 3
- 229910052731 fluorine Inorganic materials 0.000 claims description 3
- 125000003709 fluoroalkyl group Chemical group 0.000 claims description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- MIZLGWKEZAPEFJ-UHFFFAOYSA-N 1,1,2-trifluoroethene Chemical group FC=C(F)F MIZLGWKEZAPEFJ-UHFFFAOYSA-N 0.000 claims description 2
- HFNSTEOEZJBXIF-UHFFFAOYSA-N 2,2,4,5-tetrafluoro-1,3-dioxole Chemical class FC1=C(F)OC(F)(F)O1 HFNSTEOEZJBXIF-UHFFFAOYSA-N 0.000 claims description 2
- QMIWYOZFFSLIAK-UHFFFAOYSA-N 3,3,3-trifluoro-2-(trifluoromethyl)prop-1-ene Chemical compound FC(F)(F)C(=C)C(F)(F)F QMIWYOZFFSLIAK-UHFFFAOYSA-N 0.000 claims description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 2
- 239000005977 Ethylene Substances 0.000 claims description 2
- 125000001246 bromo group Chemical group Br* 0.000 claims description 2
- 125000004432 carbon atom Chemical group C* 0.000 claims description 2
- 229910052801 chlorine Inorganic materials 0.000 claims description 2
- 125000001033 ether group Chemical group 0.000 claims description 2
- 125000005010 perfluoroalkyl group Chemical group 0.000 claims description 2
- 239000012429 reaction media Substances 0.000 claims description 2
- 239000003381 stabilizer Substances 0.000 claims description 2
- 238000002356 laser light scattering Methods 0.000 description 39
- 239000000243 solution Substances 0.000 description 23
- 239000006228 supernatant Substances 0.000 description 20
- 238000005199 ultracentrifugation Methods 0.000 description 18
- 239000007787 solid Substances 0.000 description 16
- 238000005259 measurement Methods 0.000 description 15
- 239000004810 polytetrafluoroethylene Substances 0.000 description 14
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 14
- 230000003247 decreasing effect Effects 0.000 description 13
- 238000010907 mechanical stirring Methods 0.000 description 13
- 239000012188 paraffin wax Substances 0.000 description 12
- 229910019931 (NH4)2Fe(SO4)2 Inorganic materials 0.000 description 10
- 239000007864 aqueous solution Substances 0.000 description 10
- YOALFLHFSFEMLP-UHFFFAOYSA-N azane;2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-pentadecafluorooctanoic acid Chemical compound [NH4+].[O-]C(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F YOALFLHFSFEMLP-UHFFFAOYSA-N 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 10
- MKTOIPPVFPJEQO-UHFFFAOYSA-N 4-(3-carboxypropanoylperoxy)-4-oxobutanoic acid Chemical compound OC(=O)CCC(=O)OOC(=O)CCC(O)=O MKTOIPPVFPJEQO-UHFFFAOYSA-N 0.000 description 9
- 239000000047 product Substances 0.000 description 8
- 150000003863 ammonium salts Chemical class 0.000 description 7
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 6
- 239000002253 acid Substances 0.000 description 6
- 239000011521 glass Substances 0.000 description 6
- 238000007792 addition Methods 0.000 description 5
- 239000000460 chlorine Substances 0.000 description 5
- 238000002425 crystallisation Methods 0.000 description 5
- 230000008025 crystallization Effects 0.000 description 5
- 239000011734 sodium Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000000113 differential scanning calorimetry Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- TXEYQDLBPFQVAA-UHFFFAOYSA-N tetrafluoromethane Chemical compound FC(F)(F)F TXEYQDLBPFQVAA-UHFFFAOYSA-N 0.000 description 3
- 229920001169 thermoplastic Polymers 0.000 description 3
- 239000004416 thermosoftening plastic Substances 0.000 description 3
- 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 2
- BLTXWCKMNMYXEA-UHFFFAOYSA-N 1,1,2-trifluoro-2-(trifluoromethoxy)ethene Chemical compound FC(F)=C(F)OC(F)(F)F BLTXWCKMNMYXEA-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 238000005119 centrifugation Methods 0.000 description 2
- 238000012512 characterization method Methods 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000011164 primary particle Substances 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- 230000004580 weight loss Effects 0.000 description 2
- 125000004400 (C1-C12) alkyl group Chemical group 0.000 description 1
- ZOGUJMXLOXUYAP-UHFFFAOYSA-N 1,1,3,3,3-pentafluoro-2-(fluoromethyl)prop-1-ene Chemical compound FCC(=C(F)F)C(F)(F)F ZOGUJMXLOXUYAP-UHFFFAOYSA-N 0.000 description 1
- UIERETOOQGIECD-UHFFFAOYSA-N Angelic acid Natural products CC=C(C)C(O)=O UIERETOOQGIECD-UHFFFAOYSA-N 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 1
- 238000004566 IR spectroscopy Methods 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- QYKIQEUNHZKYBP-UHFFFAOYSA-N Vinyl ether Chemical compound C=COC=C QYKIQEUNHZKYBP-UHFFFAOYSA-N 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000002296 dynamic light scattering Methods 0.000 description 1
- NPERTKSDHFSDLC-UHFFFAOYSA-N ethenol;prop-2-enoic acid Chemical compound OC=C.OC(=O)C=C NPERTKSDHFSDLC-UHFFFAOYSA-N 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001825 field-flow fractionation Methods 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 229920000592 inorganic polymer Polymers 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012703 microemulsion polymerization Methods 0.000 description 1
- 238000000386 microscopy Methods 0.000 description 1
- 125000000896 monocarboxylic acid group Chemical group 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 125000005429 oxyalkyl group Chemical group 0.000 description 1
- KAVGMUDTWQVPDF-UHFFFAOYSA-N perflubutane Chemical compound FC(F)(F)C(F)(F)C(F)(F)C(F)(F)F KAVGMUDTWQVPDF-UHFFFAOYSA-N 0.000 description 1
- 229950003332 perflubutane Drugs 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000010526 radical polymerization reaction Methods 0.000 description 1
- 230000027756 respiratory electron transport chain Effects 0.000 description 1
- 238000000518 rheometry Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- UIERETOOQGIECD-ONEGZZNKSA-N tiglic acid Chemical compound C\C=C(/C)C(O)=O UIERETOOQGIECD-ONEGZZNKSA-N 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
- 238000000108 ultra-filtration 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
- C08F259/00—Macromolecular compounds obtained by polymerising monomers on to polymers of halogen containing monomers as defined in group C08F14/00
- C08F259/08—Macromolecular compounds obtained by polymerising monomers on to polymers of halogen containing monomers as defined in group C08F14/00 on to polymers containing fluorine
-
- 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
- C08F14/00—Homopolymers and 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
- C08F14/18—Monomers containing fluorine
- C08F14/26—Tetrafluoroethene
-
- 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
- C08F2/00—Processes of polymerisation
- C08F2/12—Polymerisation in non-solvents
- C08F2/16—Aqueous medium
- C08F2/22—Emulsion polymerisation
- C08F2/24—Emulsion polymerisation with the aid of emulsifying agents
- C08F2/26—Emulsion polymerisation with the aid of emulsifying agents anionic
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Polymerisation Methods In General (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ITMI000314 | 2000-02-22 | ||
| IT2000MI000314A IT1317847B1 (it) | 2000-02-22 | 2000-02-22 | Processo per la preparazione di dispersioni acquose di fluoropolimeri. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE60111092D1 DE60111092D1 (de) | 2005-07-07 |
| DE60111092T2 true DE60111092T2 (de) | 2006-05-04 |
Family
ID=11444123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE60111092T Expired - Fee Related DE60111092T2 (de) | 2000-02-22 | 2001-02-13 | Verfahren zur Herstellung von wässrigen Dispersionen von Fluorpolymeren |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US6576703B2 (enExample) |
| EP (1) | EP1127896B1 (enExample) |
| JP (1) | JP2001233908A (enExample) |
| KR (1) | KR20010083176A (enExample) |
| AT (1) | ATE296840T1 (enExample) |
| DE (1) | DE60111092T2 (enExample) |
| IT (1) | IT1317847B1 (enExample) |
Families Citing this family (42)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2002217151A1 (en) * | 2001-01-10 | 2002-07-24 | Solvay (Societe Anonyme) | Method for two-step preparation of halogenated polymers and halogenated plurimodal polymers |
| JP2002308914A (ja) * | 2001-04-17 | 2002-10-23 | Daikin Ind Ltd | 含フッ素重合体ラテックスの製造方法 |
| US7045571B2 (en) * | 2001-05-21 | 2006-05-16 | 3M Innovative Properties Company | Emulsion polymerization of fluorinated monomers |
| US7279522B2 (en) | 2001-09-05 | 2007-10-09 | 3M Innovative Properties Company | Fluoropolymer dispersions containing no or little low molecular weight fluorinated surfactant |
| CN1315887C (zh) * | 2002-07-29 | 2007-05-16 | 3M创新有限公司 | 含氟弹性体的制备方法 |
| CN100336860C (zh) * | 2003-07-24 | 2007-09-12 | 巨化集团公司 | 纳米乳化含氟离子交换树脂制备方法和应用 |
| ITMI20032050A1 (it) * | 2003-10-21 | 2005-04-22 | Solvay Solexis Spa | Processo per la preparazione di dispersori di fluoropolimeri. |
| ITMI20032377A1 (it) * | 2003-12-04 | 2005-06-05 | Solvay Solexis Spa | Copolimeri del tfe. |
| ITMI20040031A1 (it) | 2004-01-14 | 2004-04-14 | Solvay Solexis Spa | Processo per la preparazione di dispersori di fluoropolimeri |
| US8178612B2 (en) * | 2004-01-22 | 2012-05-15 | E. I. Du Pont De Nemours And Company | Fluoropolymer emulsion coatings |
| DE602004021467D1 (de) * | 2004-03-01 | 2009-07-23 | 3M Innovative Properties Co | Verfahren zum Beschichten eines Gegenstands mit einer fluorhaltigen Kunststoffsdispersion |
| JP2006036986A (ja) * | 2004-07-28 | 2006-02-09 | Asahi Glass Co Ltd | 含フッ素ポリマーラテックス、その製造方法および含フッ素ポリマー |
| JP4348288B2 (ja) * | 2004-12-20 | 2009-10-21 | 株式会社神戸製鋼所 | コネクタ接点材料 |
| ITMI20042554A1 (it) | 2004-12-30 | 2005-03-30 | Solvay Solexis Spa | Procedimento per la preparazione di dispersioni di fluoropolimeri |
| ITMI20042553A1 (it) * | 2004-12-30 | 2005-03-30 | Solvay Solexis Spa | Processo per la preparazione di dispersioni di fluoropolimeri |
| ITMI20050705A1 (it) * | 2005-04-20 | 2006-10-21 | Solvay Solexis Spa | Processo per la preparazione di dispersori di fluoropolimeri |
| GB0511779D0 (en) * | 2005-06-10 | 2005-07-20 | 3M Innovative Properties Co | Aqueous emulsion polymerization of fluorinated monomers in the presence of a partially fluorinated oligomer as an emulsifier |
| ITMI20051080A1 (it) * | 2005-06-10 | 2006-12-11 | Solvay Solexis Spa | Grassi fluorurati aventi basso momento torcente alle basse temperature |
| GB2427170A (en) * | 2005-06-17 | 2006-12-20 | 3M Innovative Properties Co | Fluoropolymer film having glass microspheres |
| US20080015304A1 (en) | 2006-07-13 | 2008-01-17 | Klaus Hintzer | Aqueous emulsion polymerization process for producing fluoropolymers |
| GB0514398D0 (en) * | 2005-07-15 | 2005-08-17 | 3M Innovative Properties Co | Aqueous emulsion polymerization of fluorinated monomers using a fluorinated surfactant |
| GB0523853D0 (en) | 2005-11-24 | 2006-01-04 | 3M Innovative Properties Co | Fluorinated surfactants for use in making a fluoropolymer |
| GB0514387D0 (en) * | 2005-07-15 | 2005-08-17 | 3M Innovative Properties Co | Aqueous emulsion polymerization of fluorinated monomers using a perfluoropolyether surfactant |
| GB0525978D0 (en) * | 2005-12-21 | 2006-02-01 | 3M Innovative Properties Co | Fluorinated Surfactants For Making Fluoropolymers |
| US20070015937A1 (en) * | 2005-07-15 | 2007-01-18 | 3M Innovative Properties Company | Process for recovery of fluorinated carboxylic acid surfactants from exhaust gas |
| ITMI20051397A1 (it) | 2005-07-21 | 2007-01-22 | Solvay Solexis Spa | Polveri fini di fluoropolimeri |
| GB2430437A (en) * | 2005-09-27 | 2007-03-28 | 3M Innovative Properties Co | Method of making a fluoropolymer |
| US7728087B2 (en) | 2005-12-23 | 2010-06-01 | 3M Innovative Properties Company | Fluoropolymer dispersion and method for making the same |
| US20070276103A1 (en) * | 2006-05-25 | 2007-11-29 | 3M Innovative Properties Company | Fluorinated Surfactants |
| US7754795B2 (en) * | 2006-05-25 | 2010-07-13 | 3M Innovative Properties Company | Coating composition |
| US8119750B2 (en) * | 2006-07-13 | 2012-02-21 | 3M Innovative Properties Company | Explosion taming surfactants for the production of perfluoropolymers |
| EP2132143B1 (en) * | 2007-02-16 | 2012-12-26 | 3M Innovative Properties Company | System and process for the removal of fluorochemicals from water |
| US20080264864A1 (en) | 2007-04-27 | 2008-10-30 | 3M Innovative Properties Company | PROCESS FOR REMOVING FLUORINATED EMULSIFIER FROM FLUOROPOLMER DISPERSIONS USING AN ANION-EXCHANGE RESIN AND A pH-DEPENDENT SURFACTANT AND FLUOROPOLYMER DISPERSIONS CONTAINING A pH-DEPENDENT SURFACTANT |
| EP2155830A1 (en) * | 2007-05-23 | 2010-02-24 | 3M Innovative Properties Company | Aqueous compositions of fluorinated surfactants and methods of using the same |
| US8476385B2 (en) * | 2007-06-06 | 2013-07-02 | 3M Innovative Properties Company | Fluorinated ether compositions and methods of using the same |
| US8637144B2 (en) * | 2007-10-04 | 2014-01-28 | W. L. Gore & Associates, Inc. | Expandable TFE copolymers, method of making, and porous, expended articles thereof |
| JP2011528659A (ja) * | 2008-07-18 | 2011-11-24 | スリーエム イノベイティブ プロパティズ カンパニー | フッ素化エーテル化合物及びその使用方法 |
| US20110232530A1 (en) * | 2008-11-25 | 2011-09-29 | Dams Rudolf J | Fluorinated ether urethanes and methods of using the same |
| WO2010080473A1 (en) | 2008-12-18 | 2010-07-15 | 3M Innovative Properties Company | Method of contacting hydrocarbon-bearing formations with fluorinated ether compositions |
| KR101596277B1 (ko) * | 2014-07-25 | 2016-02-22 | 한국화학연구원 | 불소계 유화제를 포함하는 불소계 단량체의 중합방법 및 이에 따라 제조되는 불소계 고분자 |
| US9855534B1 (en) * | 2016-12-28 | 2018-01-02 | Pall Corporation | Porous PTFE membranes for metal removal |
| CN115322280B (zh) * | 2022-09-14 | 2024-02-13 | 浙江巨圣氟化学有限公司 | 一种面漆用环保型聚四氟乙烯分散乳液制备方法 |
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|---|---|---|---|---|
| US2242218A (en) | 1936-08-14 | 1941-05-20 | Auer Laszlo | Sizing textiles |
| NL102460C (enExample) | 1957-01-11 | |||
| DE1595183B2 (de) | 1964-12-08 | 1980-02-07 | E.I. Du Pont De Nemours And Co., Wilmington, Del. (V.St.A.) | Verfahren zur Herstellung von kolloidalen Dispersionen von polymeren Perfluorkohlenstoffverbindungen |
| US3391099A (en) | 1966-04-25 | 1968-07-02 | Du Pont | Polymerization process |
| US3715378A (en) | 1967-02-09 | 1973-02-06 | Montedison Spa | Fluorinated peroxy polyether copolymers and method for preparing them from tetrafluoroethylene |
| US3665041A (en) | 1967-04-04 | 1972-05-23 | Montedison Spa | Perfluorinated polyethers and process for their preparation |
| US3810874A (en) | 1969-03-10 | 1974-05-14 | Minnesota Mining & Mfg | Polymers prepared from poly(perfluoro-alkylene oxide) compounds |
| US3925292A (en) | 1970-09-15 | 1975-12-09 | Du Pont | Polytetrafluoroethylene aqueous dispersions which provide coatings of improved gloss |
| US4038230A (en) | 1970-11-19 | 1977-07-26 | Allied Chemical Corporation | Aqueous dispersion of particulate spheroidal polytetrafluoroethylene |
| US4380618A (en) | 1981-08-21 | 1983-04-19 | E. I. Du Pont De Nemours And Company | Batch polymerization process |
| US4385157A (en) | 1981-11-27 | 1983-05-24 | Monsanto Company | Emulsion polymerization process for ABS polyblends |
| CA1195038A (en) | 1983-04-25 | 1985-10-08 | Polysar Limited | Carboxylated latex |
| EP0415462B1 (en) | 1983-12-26 | 1996-05-08 | Daikin Industries, Limited | Halogen-containing polyether |
| IT1188635B (it) | 1986-03-27 | 1988-01-20 | Ausimont Spa | Lubrificanti per fluoropolieterei interni per mezzi magnetici di registrazione |
| IT1204903B (it) | 1986-06-26 | 1989-03-10 | Ausimont Spa | Processo di polimerizzazione in dispersione acquosa di monomeri florati |
| IL82308A (en) | 1986-06-26 | 1990-11-29 | Ausimont Spa | Microemulsions containing perfluoropolyethers |
| US5789083A (en) | 1992-12-23 | 1998-08-04 | E. I. Du Pont De Nemours And Company | Aqueous fluoropolymer primer for smooth substrates |
| IT1271136B (it) * | 1993-03-23 | 1997-05-27 | Ausimont Spa | Processo di (co)polimerizzazione in emulsione acquosa di monomeri olefinici fluorurati |
| DE4340943A1 (de) | 1993-12-01 | 1995-06-08 | Hoechst Ag | Wäßrige Dispersion von Fluorpolymerisaten, ihre Herstellung und Verwendung für Beschichtungen |
| KR950031600A (ko) | 1994-04-27 | 1995-12-18 | 가나이 쯔도무 | 자동변속기의 제어장치 및 제어방법 |
| US5523346A (en) | 1994-06-10 | 1996-06-04 | W. L. Gore & Associates, Inc. | Seeded microemulsion polymerization for the production of small polymer particles |
| AU690798B2 (en) | 1995-01-18 | 1998-04-30 | W.L. Gore & Associates, Inc. | Microemulsion polymerization systems for fluoromonomers |
| DE69624494T2 (de) | 1995-08-31 | 2003-06-05 | E.I. Du Pont De Nemours And Co., Wilmington | Verfahren zur polymerisation von tetrafluorethylen |
| US5789508A (en) | 1995-08-31 | 1998-08-04 | E. I. Du Pont De Nemours And Company | Polymerization process |
| DE19726802C1 (de) * | 1997-06-24 | 1998-06-10 | Dyneon Gmbh | Wäßrige Dispersion von Fluorpolymeren unterschiedlicher Teilchengröße |
| ITMI981519A1 (it) * | 1998-07-02 | 2000-01-02 | Ausimont Spa | Processodi polimerizzazione del tfe |
-
2000
- 2000-02-22 IT IT2000MI000314A patent/IT1317847B1/it active
-
2001
- 2001-02-13 DE DE60111092T patent/DE60111092T2/de not_active Expired - Fee Related
- 2001-02-13 AT AT01103317T patent/ATE296840T1/de not_active IP Right Cessation
- 2001-02-13 EP EP01103317A patent/EP1127896B1/en not_active Expired - Lifetime
- 2001-02-16 KR KR1020010007819A patent/KR20010083176A/ko not_active Withdrawn
- 2001-02-21 JP JP2001045105A patent/JP2001233908A/ja not_active Withdrawn
- 2001-02-22 US US09/789,728 patent/US6576703B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| ITMI20000314A0 (it) | 2000-02-22 |
| EP1127896B1 (en) | 2005-06-01 |
| KR20010083176A (ko) | 2001-08-31 |
| ITMI20000314A1 (it) | 2001-08-22 |
| US6576703B2 (en) | 2003-06-10 |
| IT1317847B1 (it) | 2003-07-15 |
| JP2001233908A (ja) | 2001-08-28 |
| ATE296840T1 (de) | 2005-06-15 |
| US20010020063A1 (en) | 2001-09-06 |
| DE60111092D1 (de) | 2005-07-07 |
| EP1127896A1 (en) | 2001-08-29 |
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