DE1645335A1 - Verfahren zur Herstellung von Polytetrafluoraethylen-Emulsionen - Google Patents
Verfahren zur Herstellung von Polytetrafluoraethylen-EmulsionenInfo
- Publication number
- DE1645335A1 DE1645335A1 DE19661645335 DE1645335A DE1645335A1 DE 1645335 A1 DE1645335 A1 DE 1645335A1 DE 19661645335 DE19661645335 DE 19661645335 DE 1645335 A DE1645335 A DE 1645335A DE 1645335 A1 DE1645335 A1 DE 1645335A1
- Authority
- DE
- Germany
- Prior art keywords
- stabilizer
- emulsions
- dispersant
- cpcl
- ammonium
- 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
- 239000000839 emulsion Substances 0.000 title claims description 33
- 238000000034 method Methods 0.000 title claims description 24
- 239000004810 polytetrafluoroethylene Substances 0.000 title claims description 13
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- -1 polytetrafluoroethylene Polymers 0.000 title description 14
- 229920001343 polytetrafluoroethylene Polymers 0.000 title description 12
- 239000003381 stabilizer Substances 0.000 claims description 18
- 239000002270 dispersing agent Substances 0.000 claims description 16
- 229930195733 hydrocarbon Natural products 0.000 claims description 13
- 239000003054 catalyst Substances 0.000 claims description 12
- 150000002430 hydrocarbons Chemical class 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 9
- 239000013256 coordination polymer Substances 0.000 claims description 9
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims description 8
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 7
- 239000003513 alkali Substances 0.000 claims description 6
- 239000004215 Carbon black (E152) Substances 0.000 claims description 4
- 239000003146 anticoagulant agent Substances 0.000 claims description 4
- 229940127219 anticoagulant drug Drugs 0.000 claims description 4
- 125000004432 carbon atom Chemical group C* 0.000 claims description 4
- 125000001309 chloro group Chemical group Cl* 0.000 claims description 4
- JRKICGRDRMAZLK-UHFFFAOYSA-L persulfate group Chemical group S(=O)(=O)([O-])OOS(=O)(=O)[O-] JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 claims description 4
- 229910001961 silver nitrate Inorganic materials 0.000 claims description 4
- UZUFPBIDKMEQEQ-UHFFFAOYSA-N perfluorononanoic 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)C(F)(F)F UZUFPBIDKMEQEQ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000575 pesticide Substances 0.000 claims description 3
- 239000011541 reaction mixture Substances 0.000 claims description 3
- 150000001447 alkali salts Chemical class 0.000 claims description 2
- 239000012736 aqueous medium Substances 0.000 claims description 2
- 230000000087 stabilizing effect Effects 0.000 claims description 2
- 239000000460 chlorine Substances 0.000 claims 1
- 239000006185 dispersion Substances 0.000 claims 1
- 229940058401 polytetrafluoroethylene Drugs 0.000 claims 1
- CYRMSUTZVYGINF-UHFFFAOYSA-N trichlorofluoromethane Chemical compound FC(Cl)(Cl)Cl CYRMSUTZVYGINF-UHFFFAOYSA-N 0.000 claims 1
- 238000006116 polymerization reaction Methods 0.000 description 16
- 229920000642 polymer Polymers 0.000 description 10
- 239000007787 solid Substances 0.000 description 9
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 8
- 239000000047 product Substances 0.000 description 7
- 238000003756 stirring Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000015271 coagulation Effects 0.000 description 4
- 238000005345 coagulation Methods 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- SNGREZUHAYWORS-UHFFFAOYSA-M 2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-pentadecafluorooctanoate Chemical compound [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 SNGREZUHAYWORS-UHFFFAOYSA-M 0.000 description 3
- 239000008346 aqueous phase Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000012074 organic phase Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 229910021538 borax Inorganic materials 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 235000011180 diphosphates Nutrition 0.000 description 2
- 150000008282 halocarbons Chemical class 0.000 description 2
- 239000012188 paraffin wax Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000004014 plasticizer Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000012429 reaction media Substances 0.000 description 2
- 235000010339 sodium tetraborate Nutrition 0.000 description 2
- 239000004328 sodium tetraborate Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000006276 transfer reaction Methods 0.000 description 2
- BOSAWIQFTJIYIS-UHFFFAOYSA-N 1,1,1-trichloro-2,2,2-trifluoroethane Chemical compound FC(F)(F)C(Cl)(Cl)Cl BOSAWIQFTJIYIS-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 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 1
- 239000002585 base Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 239000006172 buffering agent Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001721 carbon Chemical class 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- XPPKVPWEQAFLFU-UHFFFAOYSA-J diphosphate(4-) Chemical compound [O-]P([O-])(=O)OP([O-])([O-])=O XPPKVPWEQAFLFU-UHFFFAOYSA-J 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- OMRRUNXAWXNVFW-UHFFFAOYSA-N fluoridochlorine Chemical compound ClF OMRRUNXAWXNVFW-UHFFFAOYSA-N 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- XUCNUKMRBVNAPB-UHFFFAOYSA-N fluoroethene Chemical group FC=C XUCNUKMRBVNAPB-UHFFFAOYSA-N 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- YPPFWRWCZNXINO-UHFFFAOYSA-N methyl 1-hydroxy-6-phenyl-4-(trifluoromethyl)indole-2-carboxylate Chemical compound C1=C2N(O)C(C(=O)OC)=CC2=C(C(F)(F)F)C=C1C1=CC=CC=C1 YPPFWRWCZNXINO-UHFFFAOYSA-N 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 235000011837 pasties Nutrition 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000012360 testing method 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)
- Polymerisation Methods In General (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 |
|---|---|---|---|
| IT712965 | 1965-04-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1645335A1 true DE1645335A1 (de) | 1970-09-24 |
Family
ID=11124405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19661645335 Pending DE1645335A1 (de) | 1965-04-01 | 1966-03-30 | Verfahren zur Herstellung von Polytetrafluoraethylen-Emulsionen |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE678637A (enrdf_load_stackoverflow) |
| DE (1) | DE1645335A1 (enrdf_load_stackoverflow) |
| GB (1) | GB1122084A (enrdf_load_stackoverflow) |
| NL (1) | NL6603792A (enrdf_load_stackoverflow) |
| SE (1) | SE330773B (enrdf_load_stackoverflow) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5360979A (en) * | 1976-11-11 | 1978-05-31 | Daikin Ind Ltd | Polytetrafluoroethylene fine powder and its preparation |
| US5756620A (en) * | 1995-11-15 | 1998-05-26 | E. I. Du Pont De Nemours And Company | Tetrafluoroethylene polymer for improved paste extrusion |
| US6136933A (en) * | 1998-11-13 | 2000-10-24 | E. I. Du Pont De Nemours And Company | Process for polymerizing tetrafluoroethylene |
| US6177533B1 (en) | 1998-11-13 | 2001-01-23 | E. I. Du Pont De Nemours And Company | Polytetrafluoroethylene resin |
| US7253240B2 (en) | 2000-11-30 | 2007-08-07 | 3M Innovative Properties Company | Explosion-free process for the production of polytetrafluoroethylene |
| EP1353965B1 (en) * | 2000-11-30 | 2005-11-02 | 3M Innovative Properties Company | Explosion-free emulsion polymerisation process for the production of polytetrafluoroethylene |
-
1966
- 1966-03-23 NL NL6603792A patent/NL6603792A/xx unknown
- 1966-03-25 GB GB1326566A patent/GB1122084A/en not_active Expired
- 1966-03-29 BE BE678637D patent/BE678637A/xx unknown
- 1966-03-30 DE DE19661645335 patent/DE1645335A1/de active Pending
- 1966-03-31 SE SE430266A patent/SE330773B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE678637A (enrdf_load_stackoverflow) | 1966-09-01 |
| NL6603792A (enrdf_load_stackoverflow) | 1966-10-03 |
| GB1122084A (en) | 1968-07-31 |
| SE330773B (enrdf_load_stackoverflow) | 1970-11-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE813462C (de) | Verfahren zur Herstellung von Dispersionen aus Polytetrafluoraethylen | |
| DE1745246A1 (de) | Verfahren zur Dispersionspolymerisation von Tetrafluoraethylen | |
| DE1094458B (de) | Verfahren zur Polymerisation von Tetrafluoraethylen | |
| DE3327600A1 (de) | Copolymerisat- und tensidhaltige praeparate, deren herstellung und verwendung | |
| DE971364C (de) | Verfahren zur Herstellung von kolloidalen Dispersionen durch Emulsionspolymerisation von Tetrafluoraethylen | |
| DE1645335A1 (de) | Verfahren zur Herstellung von Polytetrafluoraethylen-Emulsionen | |
| DE60210606T2 (de) | Verfahren zur herstellung von hochfestem tetrafluorethylenpolymer | |
| DE2432699C3 (de) | Verfahren zur Herstellung von sedimentationsstabilen Wasser-in-Öl-Dispersionen von Acrylamid-Polymerisaten | |
| DE1950767A1 (de) | Verfahren zur Polymerisation von Tetrafluoraethylen | |
| DE1745485A1 (de) | Verfahren zur Emulsionspolymerisation von Vinylverbindungen | |
| DE951300C (de) | Verfahren zur Herstellung einer gut faerbbaren Acrylnitrilkunststoffmasse | |
| DE937553C (de) | Verfahren zur Herstellung von Loesungen polymerisierter Vinylverbindungen | |
| DE1050062B (de) | Verfahren zur Herstellung von zur Plastisolbildung geeigneten Polyvinylchloridharzen | |
| DE2817226A1 (de) | Bindemittel zur herstellung von genadelten bodenbelaegen | |
| DE2412266C3 (de) | Wasserlösliche Polymerisate | |
| DE2741817C3 (de) | Verfahren zur Herstellung eines pigmentierten Polyamids und dessen Verwendung zum Verspinnen zu einem Faden | |
| DE2203465C2 (de) | Verfahren zur Herstellung von wäßrigen Dispersionen von Polytetrafluoräthylen | |
| DE2461934C3 (de) | Verfahren zur Herstellung einer wasserhaltigen, stabilen, selbst-wasserlösliche Dispersion eines feinverteilten wasserlöslichen Polymer in Öl | |
| EP0007518B1 (de) | Verfahren zur Stabilisierung von Spinnlösungen aus Acrylnitrilpolymeren und die stabilisierten Spinnlösungen | |
| DE724889C (de) | Verfahren zur Herstellung von Polymerisationsprodukten von Vinylverbindungen | |
| DE2520028C3 (de) | Flüssige, pumpfähige, stabile Dispersionen vom Typ Wasser-in-Öl und ihre Verwendung | |
| DE2121479A1 (de) | Terpolymeres und seine Herstellung und Anwendung | |
| DE1645384C3 (de) | Verfahren zur Polymerisation von beta-Lactonen in Suspension | |
| DE3228812A1 (de) | Verfahren zum schnellen aufloesen von wasserloeslichen polymeren (i) | |
| AT261206B (de) | Verfahren zur Herstellung synthetischer Latices |