ZA200305002B - Explosion-free process for the production of polytetra-fluoroethylene. - Google Patents
Explosion-free process for the production of polytetra-fluoroethylene. Download PDFInfo
- Publication number
- ZA200305002B ZA200305002B ZA200305002A ZA200305002A ZA200305002B ZA 200305002 B ZA200305002 B ZA 200305002B ZA 200305002 A ZA200305002 A ZA 200305002A ZA 200305002 A ZA200305002 A ZA 200305002A ZA 200305002 B ZA200305002 B ZA 200305002B
- Authority
- ZA
- South Africa
- Prior art keywords
- polymerization
- tfe
- emulsion polymerization
- ptfe
- chain transfer
- Prior art date
Links
- 239000004810 polytetrafluoroethylene Substances 0.000 title claims description 21
- -1 polytetra-fluoroethylene Polymers 0.000 title claims description 4
- 238000000034 method Methods 0.000 title description 18
- 230000008569 process Effects 0.000 title description 10
- 238000004519 manufacturing process Methods 0.000 title description 3
- 229940058401 polytetrafluoroethylene Drugs 0.000 title 1
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 35
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims abstract description 24
- 150000001875 compounds Chemical class 0.000 claims abstract description 11
- 238000007720 emulsion polymerization reaction Methods 0.000 claims abstract description 8
- 239000012986 chain transfer agent Substances 0.000 claims abstract description 5
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 20
- 229930195733 hydrocarbon Natural products 0.000 claims description 9
- 150000002430 hydrocarbons Chemical class 0.000 claims description 9
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Chemical group CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 7
- 239000004215 Carbon black (E152) Substances 0.000 claims description 6
- 229920006395 saturated elastomer Polymers 0.000 claims description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical group [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 3
- 239000000460 chlorine Substances 0.000 claims description 3
- 229910052801 chlorine Inorganic materials 0.000 claims description 3
- WGZYQOSEVSXDNI-UHFFFAOYSA-N 1,1,2-trifluoroethane Chemical compound FCC(F)F WGZYQOSEVSXDNI-UHFFFAOYSA-N 0.000 claims description 2
- LVGUZGTVOIAKKC-UHFFFAOYSA-N 1,1,1,2-tetrafluoroethane Chemical compound FCC(F)(F)F LVGUZGTVOIAKKC-UHFFFAOYSA-N 0.000 claims 1
- UJPMYEOUBPIPHQ-UHFFFAOYSA-N 1,1,1-trifluoroethane Chemical compound CC(F)(F)F UJPMYEOUBPIPHQ-UHFFFAOYSA-N 0.000 claims 1
- 238000004880 explosion Methods 0.000 abstract description 16
- 238000012546 transfer Methods 0.000 description 11
- 239000000047 product Substances 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 125000004432 carbon atom Chemical group C* 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 239000012071 phase Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000008346 aqueous phase Substances 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000007667 floating Methods 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- 239000012736 aqueous medium Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 239000003112 inhibitor Substances 0.000 description 3
- 239000003999 initiator Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000004200 deflagration Methods 0.000 description 2
- 239000003995 emulsifying agent Substances 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 125000001153 fluoro group Chemical group F* 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 229920001519 homopolymer Polymers 0.000 description 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 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 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- BZPCMSSQHRAJCC-UHFFFAOYSA-N 1,2,3,3,4,4,5,5,5-nonafluoro-1-(1,2,3,3,4,4,5,5,5-nonafluoropent-1-enoxy)pent-1-ene Chemical compound FC(F)(F)C(F)(F)C(F)(F)C(F)=C(F)OC(F)=C(F)C(F)(F)C(F)(F)C(F)(F)F BZPCMSSQHRAJCC-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 239000003146 anticoagulant agent Substances 0.000 description 1
- 229940127219 anticoagulant drug Drugs 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000003682 fluorination reaction Methods 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000012074 organic phase Substances 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000012188 paraffin wax Substances 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
- 239000002952 polymeric resin Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000010526 radical polymerization reaction Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000010557 suspension polymerization reaction Methods 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- TXEYQDLBPFQVAA-UHFFFAOYSA-N tetrafluoromethane Chemical compound FC(F)(F)F TXEYQDLBPFQVAA-UHFFFAOYSA-N 0.000 description 1
- 238000006276 transfer reaction Methods 0.000 description 1
- 238000009423 ventilation 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
- 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
- C08F2438/00—Living radical polymerisation
- C08F2438/01—Atom Transfer Radical Polymerization [ATRP] or reverse ATRP
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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Polyethers (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10059735 | 2000-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA200305002B true ZA200305002B (en) | 2004-08-11 |
Family
ID=7665417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA200305002A ZA200305002B (en) | 2000-11-30 | 2003-06-26 | Explosion-free process for the production of polytetra-fluoroethylene. |
Country Status (9)
| Country | Link |
|---|---|
| EP (1) | EP1353965B1 (ja) |
| JP (1) | JP3929898B2 (ja) |
| CN (1) | CN1240731C (ja) |
| AT (1) | ATE308573T1 (ja) |
| AU (1) | AU2002228671A1 (ja) |
| DE (1) | DE60114666T2 (ja) |
| RU (1) | RU2302430C2 (ja) |
| WO (1) | WO2002044226A1 (ja) |
| ZA (1) | ZA200305002B (ja) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002092670A2 (en) * | 2001-05-14 | 2002-11-21 | E.I. Du Pont De Nemours And Company | Fluoropolymer compositions comprising a fluor-containing liquid |
| US7279522B2 (en) * | 2001-09-05 | 2007-10-09 | 3M Innovative Properties Company | Fluoropolymer dispersions containing no or little low molecular weight fluorinated surfactant |
| US7129009B2 (en) | 2002-05-14 | 2006-10-31 | E. I. Du Pont De Nemours And Company | Polymer-liquid compositions useful in ultraviolet and vacuum ultraviolet uses |
| US7402377B2 (en) | 2004-02-20 | 2008-07-22 | E. I. Du Pont De Nemours And Company | Use of perfluoro-n-alkanes in vacuum ultraviolet applications |
| US20080015304A1 (en) | 2006-07-13 | 2008-01-17 | Klaus Hintzer | Aqueous emulsion polymerization process for producing fluoropolymers |
| US8119750B2 (en) * | 2006-07-13 | 2012-02-21 | 3M Innovative Properties Company | Explosion taming surfactants for the production of perfluoropolymers |
| GB0716421D0 (en) | 2007-08-23 | 2007-10-03 | 3M Innovative Properties Co | Method of preparing fluoropolymers by aqueous emulsion polymerization |
| US8754176B2 (en) | 2009-03-31 | 2014-06-17 | Daikin Industries, Ltd. | Low molecular weight polytetrafluoroethylene powder and preparation method therefor |
| CN116217765B (zh) * | 2021-12-03 | 2024-04-02 | 中昊晨光化工研究院有限公司 | 一种干法电极粘结剂用聚四氟乙烯分散树脂及其制备方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3345317A (en) * | 1963-04-04 | 1967-10-03 | Thiokol Chemical Corp | Emulsion polymerization of tetrafluoroethylene using trifluorotrichloroethane as emulsion stabilizer |
| JPS4928026B1 (ja) * | 1965-01-12 | 1974-07-23 | ||
| NL6603792A (ja) * | 1965-04-01 | 1966-10-03 | ||
| FR2123703A5 (ja) * | 1971-01-28 | 1972-09-15 | Ugine Kuhlmann | |
| JPH0427596A (ja) * | 1990-05-22 | 1992-01-30 | Osamu Fukuya | 学習及び試験の問題用紙の最適な作成方法 |
| AT409967B (de) * | 2000-10-17 | 2002-12-27 | Solutia Austria Gmbh | Zweikomponentensysteme auf basis von wasserlöslichen polyestern und verkappten isocyanaten zur formulierung von wasserverdünnbaren einbrennlacken |
-
2001
- 2001-11-29 JP JP2002546593A patent/JP3929898B2/ja not_active Expired - Fee Related
- 2001-11-29 AU AU2002228671A patent/AU2002228671A1/en not_active Abandoned
- 2001-11-29 RU RU2003116062/04A patent/RU2302430C2/ru not_active IP Right Cessation
- 2001-11-29 WO PCT/US2001/044726 patent/WO2002044226A1/en active IP Right Grant
- 2001-11-29 EP EP01989792A patent/EP1353965B1/en not_active Expired - Lifetime
- 2001-11-29 DE DE60114666T patent/DE60114666T2/de not_active Expired - Fee Related
- 2001-11-29 CN CNB018196357A patent/CN1240731C/zh not_active Expired - Fee Related
- 2001-11-29 AT AT01989792T patent/ATE308573T1/de not_active IP Right Cessation
-
2003
- 2003-06-26 ZA ZA200305002A patent/ZA200305002B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP1353965B1 (en) | 2005-11-02 |
| CN1478110A (zh) | 2004-02-25 |
| WO2002044226A8 (en) | 2002-06-27 |
| AU2002228671A1 (en) | 2002-06-11 |
| DE60114666D1 (de) | 2005-12-08 |
| CN1240731C (zh) | 2006-02-08 |
| ATE308573T1 (de) | 2005-11-15 |
| WO2002044226A1 (en) | 2002-06-06 |
| RU2003116062A (ru) | 2004-11-27 |
| EP1353965A1 (en) | 2003-10-22 |
| RU2302430C2 (ru) | 2007-07-10 |
| JP2004514769A (ja) | 2004-05-20 |
| JP3929898B2 (ja) | 2007-06-13 |
| DE60114666T2 (de) | 2006-07-20 |
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