ITMI20011614A1 - Processo di purificazione di copolimeri termoprocessabili del tetrafluoroetilene - Google Patents
Processo di purificazione di copolimeri termoprocessabili del tetrafluoroetilene Download PDFInfo
- Publication number
- ITMI20011614A1 ITMI20011614A1 IT2001MI001614A ITMI20011614A ITMI20011614A1 IT MI20011614 A1 ITMI20011614 A1 IT MI20011614A1 IT 2001MI001614 A IT2001MI001614 A IT 2001MI001614A IT MI20011614 A ITMI20011614 A IT MI20011614A IT MI20011614 A1 ITMI20011614 A1 IT MI20011614A1
- Authority
- IT
- Italy
- Prior art keywords
- column
- process according
- washing
- gel
- latex
- Prior art date
Links
- 229920001577 copolymer Polymers 0.000 title claims description 24
- 238000000746 purification Methods 0.000 title claims description 8
- 238000005406 washing Methods 0.000 claims description 59
- 239000004816 latex Substances 0.000 claims description 52
- 229920000126 latex Polymers 0.000 claims description 52
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 45
- 229920000642 polymer Polymers 0.000 claims description 37
- 238000000034 method Methods 0.000 claims description 34
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims description 30
- 150000001768 cations Chemical class 0.000 claims description 29
- 239000000843 powder Substances 0.000 claims description 29
- 238000003756 stirring Methods 0.000 claims description 20
- 238000006116 polymerization reaction Methods 0.000 claims description 16
- 239000003792 electrolyte Substances 0.000 claims description 14
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 13
- 229910017604 nitric acid Inorganic materials 0.000 claims description 13
- 239000004094 surface-active agent Substances 0.000 claims description 13
- 239000002253 acid Substances 0.000 claims description 12
- 238000010907 mechanical stirring Methods 0.000 claims description 11
- 238000001035 drying Methods 0.000 claims description 10
- 238000013019 agitation Methods 0.000 claims description 8
- 239000007864 aqueous solution Substances 0.000 claims description 6
- 239000006185 dispersion Substances 0.000 claims description 5
- 239000000839 emulsion Substances 0.000 claims description 5
- 125000003709 fluoroalkyl group Chemical group 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 5
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 claims description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 4
- UUAGAQFQZIEFAH-UHFFFAOYSA-N chlorotrifluoroethylene Chemical group FC(F)=C(F)Cl UUAGAQFQZIEFAH-UHFFFAOYSA-N 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
- -1 perfluoro-2-propoxy-propyl Chemical group 0.000 claims description 4
- 239000006228 supernatant Substances 0.000 claims description 4
- 230000002378 acidificating effect Effects 0.000 claims description 3
- 150000001336 alkenes Chemical class 0.000 claims description 3
- 238000010923 batch production Methods 0.000 claims description 3
- 238000010790 dilution Methods 0.000 claims description 3
- 239000012895 dilution Substances 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 239000000178 monomer Substances 0.000 claims description 3
- 125000004400 (C1-C12) alkyl group Chemical group 0.000 claims description 2
- 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
- 125000004429 atom Chemical group 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims description 2
- 125000004122 cyclic group Chemical group 0.000 claims description 2
- 150000001993 dienes Chemical class 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
- 150000007522 mineralic acids Chemical class 0.000 claims description 2
- 230000007935 neutral effect Effects 0.000 claims description 2
- 125000005429 oxyalkyl group Chemical group 0.000 claims description 2
- 125000004430 oxygen atom Chemical group O* 0.000 claims description 2
- 125000005010 perfluoroalkyl group Chemical group 0.000 claims description 2
- 125000000876 trifluoromethoxy group Chemical group FC(F)(F)O* 0.000 claims description 2
- 239000000499 gel Substances 0.000 description 49
- 239000012632 extractable Substances 0.000 description 16
- 239000000243 solution Substances 0.000 description 11
- 239000008187 granular material Substances 0.000 description 9
- 230000003287 optical effect Effects 0.000 description 9
- NPYPAHLBTDXSSS-UHFFFAOYSA-N Potassium ion Chemical compound [K+] NPYPAHLBTDXSSS-UHFFFAOYSA-N 0.000 description 8
- 238000005188 flotation Methods 0.000 description 8
- 239000012071 phase Substances 0.000 description 8
- 239000000203 mixture Substances 0.000 description 7
- 238000005345 coagulation Methods 0.000 description 6
- 230000015271 coagulation Effects 0.000 description 6
- 229920001897 terpolymer Polymers 0.000 description 6
- 239000002245 particle Substances 0.000 description 5
- 239000004065 semiconductor Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 229910052700 potassium Inorganic materials 0.000 description 4
- 239000011591 potassium Substances 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000004159 Potassium persulphate Substances 0.000 description 3
- 238000010924 continuous production Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 230000003179 granulation Effects 0.000 description 3
- 238000005469 granulation Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 description 3
- 235000019394 potassium persulphate Nutrition 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000004457 water analysis Methods 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical compound CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 2
- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000011088 calibration curve Methods 0.000 description 2
- 238000012512 characterization method Methods 0.000 description 2
- 239000003480 eluent Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- HNSDLXPSAYFUHK-UHFFFAOYSA-N 1,4-bis(2-ethylhexyl) sulfosuccinate Chemical compound CCCCC(CC)COC(=O)CC(S(O)(=O)=O)C(=O)OCC(CC)CCCC HNSDLXPSAYFUHK-UHFFFAOYSA-N 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 239000004262 Ethyl gallate Substances 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 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
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 238000001724 coherent Stokes Raman spectroscopy Methods 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000368 destabilizing effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000012674 dispersion polymerization 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
- 239000012530 fluid Substances 0.000 description 1
- 238000012388 gravitational sedimentation Methods 0.000 description 1
- 238000010438 heat treatment 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
- 238000004255 ion exchange chromatography Methods 0.000 description 1
- 229940098779 methanesulfonic acid Drugs 0.000 description 1
- 150000004702 methyl esters Chemical class 0.000 description 1
- 239000004530 micro-emulsion Substances 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
- 239000003505 polymerization initiator Substances 0.000 description 1
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 description 1
- 229910001414 potassium ion Inorganic materials 0.000 description 1
- 239000011164 primary particle Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
- 238000011282 treatment 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
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
- C08J3/03—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in aqueous media
- C08J3/075—Macromolecular gels
-
- 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
- C08F6/14—Treatment of polymer emulsions
- C08F6/16—Purification
-
- 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
- C08F6/14—Treatment of polymer emulsions
- C08F6/22—Coagulation
-
- 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)
- Dispersion Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT2001MI001614A ITMI20011614A1 (it) | 2001-07-26 | 2001-07-26 | Processo di purificazione di copolimeri termoprocessabili del tetrafluoroetilene |
| EP02016467A EP1279681B1 (en) | 2001-07-26 | 2002-07-23 | Coagulation and purification process of thermoprocessable tetrafluoroethene copolymers |
| DE60233776T DE60233776D1 (de) | 2001-07-26 | 2002-07-23 | Fällungs- und Reinigungsverfahren für wärmebehandelbare Tetrafluorethen-Copolymerisate |
| JP2002216870A JP4264230B2 (ja) | 2001-07-26 | 2002-07-25 | 熱加工性テトラフルオロエチレン共重合体の精製方法 |
| RU2002120310/04A RU2288922C2 (ru) | 2001-07-26 | 2002-07-25 | Способ очистки термоперерабатываемых сополимеров тетрафторэтилена и термоперерабатываемые сополимеры тетрафторэтилена |
| US10/205,494 US7015368B2 (en) | 2001-07-26 | 2002-07-26 | Purification process of thermoprocessable tetrafluoroethylene copolymers |
| US10/790,680 US7157550B2 (en) | 2001-07-26 | 2004-03-03 | Purification process of thermoprocessable tetrafluoroethylene copolymers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT2001MI001614A ITMI20011614A1 (it) | 2001-07-26 | 2001-07-26 | Processo di purificazione di copolimeri termoprocessabili del tetrafluoroetilene |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ITMI20011614A0 ITMI20011614A0 (it) | 2001-07-26 |
| ITMI20011614A1 true ITMI20011614A1 (it) | 2003-01-26 |
Family
ID=11448153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT2001MI001614A ITMI20011614A1 (it) | 2001-07-26 | 2001-07-26 | Processo di purificazione di copolimeri termoprocessabili del tetrafluoroetilene |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US7015368B2 (https=) |
| EP (1) | EP1279681B1 (https=) |
| JP (1) | JP4264230B2 (https=) |
| DE (1) | DE60233776D1 (https=) |
| IT (1) | ITMI20011614A1 (https=) |
| RU (1) | RU2288922C2 (https=) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005007709A1 (ja) * | 2003-07-03 | 2005-01-27 | Daikin Industries, Ltd. | フルオロポリマー凝集体及びその製造方法 |
| ITMI20041251A1 (it) * | 2004-06-22 | 2004-09-22 | Solvay Solexis Spa | Gel di perfluoroelastomeri |
| ITMI20041253A1 (it) * | 2004-06-22 | 2004-09-22 | Solvay Solexis Spa | Gel di fluoroelastomeri |
| ITMI20041572A1 (it) * | 2004-07-30 | 2004-10-30 | Solvay Solexis Spa | Capolimeri termoprocessabili a base di tfe |
| DE602005003074T2 (de) * | 2004-08-25 | 2008-08-14 | Asahi Glass Co., Ltd. | Fluorocopolymer |
| 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 |
| EP1942118B1 (en) * | 2005-10-26 | 2013-09-11 | Asahi Glass Company, Limited | Fluororesin with low fluorine-containing emulsifier residual and method for producing same |
| CN102443091B (zh) * | 2011-10-25 | 2013-07-24 | 中昊晨光化工研究院 | 一种聚全氟乙丙烯树脂的凝聚洗涤方法 |
| JP6389825B2 (ja) * | 2012-12-05 | 2018-09-12 | ソルベイ スペシャルティ ポリマーズ イタリー エス．ピー．エー． | 熱処理後に改善された熱的および機械的特性を有する溶融加工可能なパーフルオロポリマー |
| WO2015185520A1 (en) * | 2014-06-05 | 2015-12-10 | Solvay Specialty Polymers Italy S.P.A. | Melt-processable perfluoropolymers having improved thermal and mechanical properties after heating treatment |
| CN113661184A (zh) * | 2019-04-16 | 2021-11-16 | 大金工业株式会社 | 含氟聚合物粉末的制造方法 |
| CN114437255A (zh) * | 2020-11-04 | 2022-05-06 | 浙江蓝天环保高科技股份有限公司 | 一种含氟聚合物的提纯方法 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US395600A (en) * | 1889-01-01 | Gilbert walker | ||
| GB129022A (en) | 1916-09-25 | 1919-07-10 | Marie Joseph Cornu | Improvements in or relating to Mercury Vapour Lamps. |
| FR1384989A (fr) * | 1963-01-25 | 1965-01-08 | Montedison Spa | Copolymères fluorés et procédé pour leur préparation |
| NL143244B (nl) * | 1964-07-31 | 1974-09-16 | Montedison Spa | Werkwijze om fluor bevattende terpolymeren te bereiden. |
| US3579474A (en) * | 1968-12-16 | 1971-05-18 | Du Pont | Elastomeric copolymers of tetrafluoroethylene containing phenoxyethyl groups,and their vulcanization |
| US3956000A (en) * | 1972-07-21 | 1976-05-11 | Hoechst Aktiengesellschaft | Fluorocarbon waxes and process for producing them |
| 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 |
| IL82308A (en) | 1986-06-26 | 1990-11-29 | Ausimont Spa | Microemulsions containing perfluoropolyethers |
| IT1204903B (it) | 1986-06-26 | 1989-03-10 | Ausimont Spa | Processo di polimerizzazione in dispersione acquosa di monomeri florati |
| IT1264661B1 (it) * | 1993-07-05 | 1996-10-04 | Ausimont Spa | Copolimeri termoprocessabilin del tetrafluoroetilene |
| IT1272863B (it) * | 1995-01-04 | 1997-07-01 | Ausimont Spa | Copolimeri termoprocessabili del tetrafluoroetilene |
| US5856417A (en) * | 1996-10-29 | 1999-01-05 | Asahi Glass Company Ltd. | Fluorine-containing copolymer |
| ITMI981519A1 (it) | 1998-07-02 | 2000-01-02 | Ausimont Spa | Processodi polimerizzazione del tfe |
| CN1193045C (zh) * | 2000-06-01 | 2005-03-16 | 3M创新有限公司 | 高纯度氟聚合物的制造方法 |
| ITMI20011615A1 (it) * | 2001-07-26 | 2003-01-26 | Ausimont Spa | Processo di ottenimento di p0lveri fini non termoprocessabili di ptfeomopolimero o ptfe modificato |
-
2001
- 2001-07-26 IT IT2001MI001614A patent/ITMI20011614A1/it unknown
-
2002
- 2002-07-23 DE DE60233776T patent/DE60233776D1/de not_active Expired - Lifetime
- 2002-07-23 EP EP02016467A patent/EP1279681B1/en not_active Expired - Lifetime
- 2002-07-25 RU RU2002120310/04A patent/RU2288922C2/ru not_active IP Right Cessation
- 2002-07-25 JP JP2002216870A patent/JP4264230B2/ja not_active Expired - Lifetime
- 2002-07-26 US US10/205,494 patent/US7015368B2/en not_active Expired - Lifetime
-
2004
- 2004-03-03 US US10/790,680 patent/US7157550B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| RU2288922C2 (ru) | 2006-12-10 |
| US20040167272A1 (en) | 2004-08-26 |
| ITMI20011614A0 (it) | 2001-07-26 |
| EP1279681B1 (en) | 2009-09-23 |
| DE60233776D1 (de) | 2009-11-05 |
| EP1279681A2 (en) | 2003-01-29 |
| JP4264230B2 (ja) | 2009-05-13 |
| EP1279681A3 (en) | 2004-01-21 |
| RU2002120310A (ru) | 2004-02-27 |
| US20030092860A1 (en) | 2003-05-15 |
| US7015368B2 (en) | 2006-03-21 |
| JP2003082019A (ja) | 2003-03-19 |
| US7157550B2 (en) | 2007-01-02 |
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