ITMI20011615A1 - Processo di ottenimento di p0lveri fini non termoprocessabili di ptfeomopolimero o ptfe modificato - Google Patents
Processo di ottenimento di p0lveri fini non termoprocessabili di ptfeomopolimero o ptfe modificato Download PDFInfo
- Publication number
- ITMI20011615A1 ITMI20011615A1 IT2001MI001615A ITMI20011615A ITMI20011615A1 IT MI20011615 A1 ITMI20011615 A1 IT MI20011615A1 IT 2001MI001615 A IT2001MI001615 A IT 2001MI001615A IT MI20011615 A ITMI20011615 A IT MI20011615A IT MI20011615 A1 ITMI20011615 A1 IT MI20011615A1
- Authority
- IT
- Italy
- Prior art keywords
- ptfe
- latex
- gel
- process according
- powder
- Prior art date
Links
- 229920001343 polytetrafluoroethylene Polymers 0.000 title claims description 59
- 239000004810 polytetrafluoroethylene Substances 0.000 title claims description 59
- 238000000034 method Methods 0.000 title claims description 42
- 230000008569 process Effects 0.000 title claims description 32
- 239000000843 powder Substances 0.000 claims description 96
- 239000004816 latex Substances 0.000 claims description 57
- 229920000126 latex Polymers 0.000 claims description 57
- 239000000499 gel Substances 0.000 claims description 45
- 238000001035 drying Methods 0.000 claims description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 24
- 238000001125 extrusion Methods 0.000 claims description 19
- 229920000642 polymer Polymers 0.000 claims description 18
- 238000005406 washing Methods 0.000 claims description 18
- 238000013019 agitation Methods 0.000 claims description 15
- 239000004094 surface-active agent Substances 0.000 claims description 15
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 13
- 239000003792 electrolyte Substances 0.000 claims description 13
- 238000010907 mechanical stirring Methods 0.000 claims description 13
- 229910017604 nitric acid Inorganic materials 0.000 claims description 13
- 239000007864 aqueous solution Substances 0.000 claims description 11
- 239000002253 acid Substances 0.000 claims description 10
- 239000012071 phase Substances 0.000 claims description 10
- 239000000243 solution Substances 0.000 claims description 9
- 238000012674 dispersion polymerization Methods 0.000 claims description 8
- 238000005188 flotation Methods 0.000 claims description 8
- 238000005469 granulation Methods 0.000 claims description 8
- 230000003179 granulation Effects 0.000 claims description 8
- 238000010790 dilution Methods 0.000 claims description 7
- 239000012895 dilution Substances 0.000 claims description 7
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 6
- -1 ethylene, propylene Chemical group 0.000 claims description 6
- 229920001519 homopolymer Polymers 0.000 claims description 6
- 238000006116 polymerization reaction Methods 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 6
- 125000003709 fluoroalkyl group Chemical group 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 239000000463 material 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
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 4
- 239000008346 aqueous phase Substances 0.000 claims description 4
- 238000010923 batch production Methods 0.000 claims description 4
- 150000001767 cationic compounds Chemical class 0.000 claims description 4
- UUAGAQFQZIEFAH-UHFFFAOYSA-N chlorotrifluoroethylene Chemical group FC(F)=C(F)Cl UUAGAQFQZIEFAH-UHFFFAOYSA-N 0.000 claims description 4
- 239000000839 emulsion Substances 0.000 claims description 4
- XUCNUKMRBVNAPB-UHFFFAOYSA-N fluoroethene Chemical compound FC=C XUCNUKMRBVNAPB-UHFFFAOYSA-N 0.000 claims description 4
- HCDGVLDPFQMKDK-UHFFFAOYSA-N hexafluoropropylene Chemical compound FC(F)=C(F)C(F)(F)F HCDGVLDPFQMKDK-UHFFFAOYSA-N 0.000 claims description 4
- 229910052739 hydrogen Inorganic materials 0.000 claims description 4
- 229910001411 inorganic cation Inorganic materials 0.000 claims description 4
- 239000000178 monomer Substances 0.000 claims description 4
- 230000002378 acidificating effect Effects 0.000 claims description 3
- 125000004429 atom Chemical group 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 239000006228 supernatant 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
- 239000004812 Fluorinated ethylene propylene Substances 0.000 claims description 2
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 2
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims description 2
- 239000002033 PVDF binder Substances 0.000 claims description 2
- QYKIQEUNHZKYBP-UHFFFAOYSA-N Vinyl ether Chemical group C=COC=C QYKIQEUNHZKYBP-UHFFFAOYSA-N 0.000 claims description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims description 2
- 125000004122 cyclic group Chemical group 0.000 claims description 2
- 239000006185 dispersion Substances 0.000 claims description 2
- 125000001033 ether group Chemical group 0.000 claims description 2
- 229910052731 fluorine Inorganic materials 0.000 claims description 2
- 125000001153 fluoro group Chemical group F* 0.000 claims description 2
- 239000011261 inert gas Substances 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 claims description 2
- 230000007935 neutral effect Effects 0.000 claims description 2
- 125000005429 oxyalkyl group Chemical group 0.000 claims description 2
- 229920009441 perflouroethylene propylene Polymers 0.000 claims description 2
- 125000005010 perfluoroalkyl group Chemical group 0.000 claims description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 2
- 125000000876 trifluoromethoxy group Chemical group FC(F)(F)O* 0.000 claims description 2
- JMGNVALALWCTLC-UHFFFAOYSA-N 1-fluoro-2-(2-fluoroethenoxy)ethene Chemical compound FC=COC=CF JMGNVALALWCTLC-UHFFFAOYSA-N 0.000 claims 1
- RJZOAEDBDMHDFZ-UHFFFAOYSA-N 1-hydroxyoctan-3-yl prop-2-enoate Chemical compound CCCCCC(CCO)OC(=O)C=C RJZOAEDBDMHDFZ-UHFFFAOYSA-N 0.000 claims 1
- 239000004696 Poly ether ether ketone Substances 0.000 claims 1
- 125000000217 alkyl group Chemical group 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 1
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 claims 1
- 238000010924 continuous production Methods 0.000 claims 1
- 150000001993 dienes Chemical class 0.000 claims 1
- 150000007522 mineralic acids Chemical class 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- 229920002530 polyetherether ketone Polymers 0.000 claims 1
- 150000001768 cations Chemical class 0.000 description 27
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 17
- 238000005345 coagulation Methods 0.000 description 15
- 230000015271 coagulation Effects 0.000 description 15
- 238000003756 stirring Methods 0.000 description 11
- 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
- 230000003068 static effect Effects 0.000 description 10
- 239000004744 fabric Substances 0.000 description 9
- 230000007547 defect Effects 0.000 description 8
- 239000000047 product Substances 0.000 description 8
- 239000000203 mixture Substances 0.000 description 7
- 239000002245 particle Substances 0.000 description 7
- 238000000746 purification Methods 0.000 description 7
- 239000004065 semiconductor Substances 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000012512 characterization method Methods 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 235000012438 extruded product Nutrition 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000003999 initiator Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- BOZYVOUQHUPWQA-UHFFFAOYSA-N 2-(3-hydroxypropylidene)octanoic acid Chemical compound CCCCCCC(C(O)=O)=CCCO BOZYVOUQHUPWQA-UHFFFAOYSA-N 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 239000004160 Ammonium persulphate Substances 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 1
- 235000019395 ammonium persulphate Nutrition 0.000 description 1
- 238000011088 calibration curve Methods 0.000 description 1
- 235000013351 cheese Nutrition 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 238000004581 coalescence Methods 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000368 destabilizing effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000032050 esterification Effects 0.000 description 1
- 238000005886 esterification reaction Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- IMBKASBLAKCLEM-UHFFFAOYSA-L ferrous ammonium sulfate (anhydrous) Chemical compound [NH4+].[NH4+].[Fe+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O IMBKASBLAKCLEM-UHFFFAOYSA-L 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000000705 flame atomic absorption spectrometry Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229920002313 fluoropolymer Polymers 0.000 description 1
- 239000004811 fluoropolymer Substances 0.000 description 1
- 238000001879 gelation Methods 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 150000004702 methyl esters Chemical class 0.000 description 1
- 239000004530 micro-emulsion Substances 0.000 description 1
- 239000002667 nucleating agent Substances 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- JRKICGRDRMAZLK-UHFFFAOYSA-L persulfate group Chemical group S(=O)(=O)([O-])OOS(=O)(=O)[O-] JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 description 1
- 239000003505 polymerization initiator Substances 0.000 description 1
- 239000011164 primary particle Substances 0.000 description 1
- 239000012264 purified product Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000001131 transforming effect Effects 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
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/12—Powdering or granulating
- C08J3/16—Powdering or granulating by coagulating dispersions
-
- 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)
- Dispersion Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT2001MI001615A ITMI20011615A1 (it) | 2001-07-26 | 2001-07-26 | Processo di ottenimento di p0lveri fini non termoprocessabili di ptfeomopolimero o ptfe modificato |
| EP02016468A EP1279693B1 (en) | 2001-07-26 | 2002-07-23 | A process for obtaining non thermoprocessable fine powders of homopolymer or modified PTFE |
| DE60217944T DE60217944T2 (de) | 2001-07-26 | 2002-07-23 | Verfahren zur Herstellung von nicht thermisch verarbeitbaren Feinpulvern eines homopolymeren oder modifizierten PTFE |
| JP2002216871A JP2003055467A (ja) | 2001-07-26 | 2002-07-25 | ホモポリマー又は改質ｐｔｆｅの熱加工不能な細粉の製造法 |
| US10/202,852 US6790932B2 (en) | 2001-07-26 | 2002-07-26 | Process for obtaining non thermoprocessable fine powders of homopolymer or modified PTFE |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT2001MI001615A ITMI20011615A1 (it) | 2001-07-26 | 2001-07-26 | Processo di ottenimento di p0lveri fini non termoprocessabili di ptfeomopolimero o ptfe modificato |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ITMI20011615A0 ITMI20011615A0 (it) | 2001-07-26 |
| ITMI20011615A1 true ITMI20011615A1 (it) | 2003-01-26 |
Family
ID=11448154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT2001MI001615A ITMI20011615A1 (it) | 2001-07-26 | 2001-07-26 | Processo di ottenimento di p0lveri fini non termoprocessabili di ptfeomopolimero o ptfe modificato |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US6790932B2 (enExample) |
| EP (1) | EP1279693B1 (enExample) |
| JP (1) | JP2003055467A (enExample) |
| DE (1) | DE60217944T2 (enExample) |
| IT (1) | ITMI20011615A1 (enExample) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITMI20011614A1 (it) * | 2001-07-26 | 2003-01-26 | Ausimont Spa | Processo di purificazione di copolimeri termoprocessabili del tetrafluoroetilene |
| WO2003035724A1 (en) * | 2001-10-24 | 2003-05-01 | Daikin Industries, Ltd. | Ptfe powder and method for producing ptfe powder for molding |
| US7323506B2 (en) * | 2004-12-02 | 2008-01-29 | Natural Resources Canada | High performance P(VDF-TrFE) copolymer for pyroelectric conversion |
| ITMI20051397A1 (it) * | 2005-07-21 | 2007-01-22 | Solvay Solexis Spa | Polveri fini di fluoropolimeri |
| WO2009053350A1 (en) * | 2007-10-22 | 2009-04-30 | Solvay Solexis S.P.A. | Process for preparing fine dried powders of melt-processable or non-melt-processable tfe (co)polymers |
| JP5705126B2 (ja) | 2009-10-30 | 2015-04-22 | 株式会社クレハ | 熱処理済フッ化ビニリデン系重合体粉末の製造方法およびフッ化ビニリデン系重合体溶液の製造方法 |
| JP5946840B2 (ja) | 2010-12-22 | 2016-07-06 | ソルヴェイ・スペシャルティ・ポリマーズ・イタリー・エッセ・ピ・ア | フッ化ビニリデンコポリマー |
| EP2655446B1 (en) | 2010-12-22 | 2014-10-29 | Solvay Specialty Polymers Italy S.p.A. | Vinylidene fluoride and trifluoroethylene polymers |
| WO2021033742A1 (ja) * | 2019-08-20 | 2021-02-25 | 日揮触媒化成株式会社 | 澱粉を含む粒子とその製造方法、および化粧料 |
| WO2023054723A1 (ja) * | 2021-09-30 | 2023-04-06 | ダイキン工業株式会社 | ポリテトラフルオロエチレンファインパウダー |
| EP4441813B1 (en) | 2021-11-29 | 2025-12-24 | Syensqo Specialty Polymers Italy S.p.A. | Battery electrode and method of making the same |
| CN119856287A (zh) | 2022-09-08 | 2025-04-18 | 法国特种经营公司 | 电池电极及其制造方法 |
| WO2024078923A1 (en) | 2022-10-10 | 2024-04-18 | Solvay Specialty Polymers Italy S.P.A. | Battery electrode and method of making the same |
| CN121153127A (zh) | 2023-03-09 | 2025-12-16 | 世索科特殊聚合物意大利有限公司 | 电池电极及其制造方法 |
| WO2025003021A1 (en) | 2023-06-26 | 2025-01-02 | Solvay Specialty Polymers Italy S.P.A. | Battery electrode and method of making the same |
| WO2025003022A1 (en) | 2023-06-26 | 2025-01-02 | Solvay Specialty Polymers Italy S.P.A. | Battery electrode and method of making the same |
| WO2025181300A1 (en) | 2024-03-01 | 2025-09-04 | Syensqo Specialty Polymers Italy S.p.A. | Acrylate polymers as additives in battery electrodes |
| WO2025228665A1 (en) | 2024-04-29 | 2025-11-06 | Syensqo Specialty Polymers Italy S.p.A. | Battery electrode and method of making the same |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2593583A (en) * | 1951-03-14 | 1952-04-22 | Du Pont | Method for coagulating aqueous dispersions of polytetrafluoroethylene |
| US3046283A (en) | 1957-08-19 | 1962-07-24 | Merck & Co Inc | 10-(omega-aminoalkylidene)-thioxanthenes |
| US3046263A (en) * | 1959-07-10 | 1962-07-24 | Du Pont | Coagulation of colloidal polytetrafluoroethylene dispersions |
| US3752789A (en) * | 1971-08-20 | 1973-08-14 | Du Pont | Isolation of a fluoropolymer from a latex |
| USRE30378E (en) * | 1977-09-12 | 1980-08-19 | E. I. Dupont De Nemours And Company | Process for recovery of polymers from their dispersions in liquids |
| 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 |
| 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 |
| US5077359A (en) * | 1989-10-26 | 1991-12-31 | E. I. Du Pont De Nemours And Company | Peroxide-curable fluoroelastomers and chlorofluoroelastomers having bromine and iodine curesites and the preparation |
| DE4233824A1 (de) * | 1992-10-08 | 1994-04-14 | Hoechst Ag | Verfahren zur Aufarbeitung wäßriger Dispersionen von Fluorthermoplasten |
| US5391709A (en) * | 1993-11-17 | 1995-02-21 | E. I. Du Pont De Nemours And Company | Purification process of PTFE using fiber bed and heated air |
| JPH11246607A (ja) * | 1998-02-27 | 1999-09-14 | Asahi Glass Co Ltd | ポリテトラフルオロエチレンを含む水性分散液の製造方法 |
| ITMI981519A1 (it) | 1998-07-02 | 2000-01-02 | Ausimont Spa | Processodi polimerizzazione del tfe |
| US6593416B2 (en) * | 2000-02-01 | 2003-07-15 | 3M Innovative Properties Company | Fluoropolymers |
-
2001
- 2001-07-26 IT IT2001MI001615A patent/ITMI20011615A1/it unknown
-
2002
- 2002-07-23 DE DE60217944T patent/DE60217944T2/de not_active Expired - Fee Related
- 2002-07-23 EP EP02016468A patent/EP1279693B1/en not_active Expired - Lifetime
- 2002-07-25 JP JP2002216871A patent/JP2003055467A/ja active Pending
- 2002-07-26 US US10/202,852 patent/US6790932B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP1279693A3 (en) | 2004-01-07 |
| DE60217944D1 (de) | 2007-03-22 |
| US20030088055A1 (en) | 2003-05-08 |
| JP2003055467A (ja) | 2003-02-26 |
| EP1279693B1 (en) | 2007-01-31 |
| EP1279693A2 (en) | 2003-01-29 |
| DE60217944T2 (de) | 2007-09-20 |
| US6790932B2 (en) | 2004-09-14 |
| ITMI20011615A0 (it) | 2001-07-26 |
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