CH623064A5 - Process for the polymerisation of tetrafluoroethylene - Google Patents
Process for the polymerisation of tetrafluoroethylene Download PDFInfo
- Publication number
- CH623064A5 CH623064A5 CH659076A CH659076A CH623064A5 CH 623064 A5 CH623064 A5 CH 623064A5 CH 659076 A CH659076 A CH 659076A CH 659076 A CH659076 A CH 659076A CH 623064 A5 CH623064 A5 CH 623064A5
- Authority
- CH
- Switzerland
- Prior art keywords
- polymerization
- tetrafluoroethylene
- formula
- mol
- oig
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 28
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 title claims description 18
- 238000006116 polymerization reaction Methods 0.000 claims description 21
- 229920000642 polymer Polymers 0.000 claims description 18
- 150000002170 ethers Chemical class 0.000 claims description 14
- 239000003795 chemical substances by application Substances 0.000 claims description 11
- 239000003054 catalyst Substances 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- 150000003839 salts Chemical class 0.000 claims description 7
- 239000000725 suspension Substances 0.000 claims description 6
- 125000004432 carbon atom Chemical group C* 0.000 claims description 5
- 239000003995 emulsifying agent Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 229910001385 heavy metal Inorganic materials 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims 2
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 description 18
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 15
- -1 polytetrafluoroethylene Polymers 0.000 description 13
- 239000003607 modifier Substances 0.000 description 10
- 229940058401 polytetrafluoroethylene Drugs 0.000 description 10
- 239000004810 polytetrafluoroethylene Substances 0.000 description 10
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 125000003917 carbamoyl group Chemical group [H]N([H])C(*)=O 0.000 description 7
- 239000011888 foil Substances 0.000 description 7
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 6
- 238000010557 suspension polymerization reaction Methods 0.000 description 6
- 229910001868 water Inorganic materials 0.000 description 6
- 239000000843 powder Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000005336 cracking Methods 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- USVVENVKYJZFMW-ONEGZZNKSA-N (e)-carboxyiminocarbamic acid Chemical compound OC(=O)\N=N\C(O)=O USVVENVKYJZFMW-ONEGZZNKSA-N 0.000 description 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- VBIXEXWLHSRNKB-UHFFFAOYSA-N ammonium oxalate Chemical compound [NH4+].[NH4+].[O-]C(=O)C([O-])=O VBIXEXWLHSRNKB-UHFFFAOYSA-N 0.000 description 2
- XOZUGNYVDXMRKW-AATRIKPKSA-N azodicarbonamide Chemical compound NC(=O)\N=N\C(N)=O XOZUGNYVDXMRKW-AATRIKPKSA-N 0.000 description 2
- 235000019399 azodicarbonamide Nutrition 0.000 description 2
- KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 229910000366 copper(II) sulfate Inorganic materials 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 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 1
- CLZAEVAEWSHALL-UHFFFAOYSA-N 1,1,1,2,2,3,3-heptafluoropropane Chemical group F[C](F)C(F)(F)C(F)(F)F CLZAEVAEWSHALL-UHFFFAOYSA-N 0.000 description 1
- RRZIJNVZMJUGTK-UHFFFAOYSA-N 1,1,2-trifluoro-2-(1,2,2-trifluoroethenoxy)ethene Chemical compound FC(F)=C(F)OC(F)=C(F)F RRZIJNVZMJUGTK-UHFFFAOYSA-N 0.000 description 1
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 1
- 239000004156 Azodicarbonamide Substances 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 101100117236 Drosophila melanogaster speck gene Proteins 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 229920001774 Perfluoroether Polymers 0.000 description 1
- 241000519995 Stachys sylvatica Species 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 239000001099 ammonium carbonate Substances 0.000 description 1
- 235000012501 ammonium carbonate Nutrition 0.000 description 1
- 235000019270 ammonium chloride Nutrition 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 125000000751 azo group Chemical group [*]N=N[*] 0.000 description 1
- 229910021538 borax Inorganic materials 0.000 description 1
- ABDBNWQRPYOPDF-UHFFFAOYSA-N carbonofluoridic acid Chemical class OC(F)=O ABDBNWQRPYOPDF-UHFFFAOYSA-N 0.000 description 1
- 125000006297 carbonyl amino group Chemical group [H]N([*:2])C([*:1])=O 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000013256 coordination polymer Substances 0.000 description 1
- QUQFTIVBFKLPCL-UHFFFAOYSA-L copper;2-amino-3-[(2-amino-2-carboxylatoethyl)disulfanyl]propanoate Chemical compound [Cu+2].[O-]C(=O)C(N)CSSCC(N)C([O-])=O QUQFTIVBFKLPCL-UHFFFAOYSA-L 0.000 description 1
- RAABOESOVLLHRU-UHFFFAOYSA-N diazene Chemical compound N=N RAABOESOVLLHRU-UHFFFAOYSA-N 0.000 description 1
- 229910000071 diazene Inorganic materials 0.000 description 1
- GRWZHXKQBITJKP-UHFFFAOYSA-L dithionite(2-) Chemical compound [O-]S(=O)S([O-])=O GRWZHXKQBITJKP-UHFFFAOYSA-L 0.000 description 1
- 238000009837 dry grinding Methods 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- HCDGVLDPFQMKDK-UHFFFAOYSA-N hexafluoropropylene Chemical group FC(F)=C(F)C(F)(F)F HCDGVLDPFQMKDK-UHFFFAOYSA-N 0.000 description 1
- PGFXOWRDDHCDTE-UHFFFAOYSA-N hexafluoropropylene oxide Chemical compound FC(F)(F)C1(F)OC1(F)F PGFXOWRDDHCDTE-UHFFFAOYSA-N 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910017464 nitrogen compound Inorganic materials 0.000 description 1
- 150000002830 nitrogen compounds Chemical class 0.000 description 1
- 230000003606 oligomerizing effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- UJMWVICAENGCRF-UHFFFAOYSA-N oxygen difluoride Chemical compound FOF UJMWVICAENGCRF-UHFFFAOYSA-N 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229920013653 perfluoroalkoxyethylene Polymers 0.000 description 1
- 125000005003 perfluorobutyl group Chemical group FC(F)(F)C(F)(F)C(F)(F)C(F)(F)* 0.000 description 1
- 125000005004 perfluoroethyl group Chemical group FC(F)(F)C(F)(F)* 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 150000004965 peroxy acids Chemical class 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
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 239000004328 sodium tetraborate Substances 0.000 description 1
- 235000010339 sodium tetraborate Nutrition 0.000 description 1
- RPACBEVZENYWOL-XFULWGLBSA-M sodium;(2r)-2-[6-(4-chlorophenoxy)hexyl]oxirane-2-carboxylate Chemical compound [Na+].C=1C=C(Cl)C=CC=1OCCCCCC[C@]1(C(=O)[O-])CO1 RPACBEVZENYWOL-XFULWGLBSA-M 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
- 238000001149 thermolysis Methods 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 238000001238 wet grinding 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
- C08F214/00—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
- C08F214/18—Monomers containing fluorine
- C08F214/26—Tetrafluoroethene
- C08F214/262—Tetrafluoroethene with fluorinated vinyl ethers
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)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2523569A DE2523569C3 (de) | 1975-05-28 | 1975-05-28 | Verfahren zur Polymerisation von Tetrafluoräthylen nach dem Suspensionsverfahren |
| DE2617829A DE2617829C2 (de) | 1976-04-23 | 1976-04-23 | Verfahren zur Herstellung von Suspensionspolymerisaten des Tetrafluoräthylens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH623064A5 true CH623064A5 (en) | 1981-05-15 |
Family
ID=25768947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH659076A CH623064A5 (en) | 1975-05-28 | 1976-05-25 | Process for the polymerisation of tetrafluoroethylene |
Country Status (16)
| Country | Link |
|---|---|
| JP (1) | JPS5931524B2 (enExample) |
| AT (1) | AT343359B (enExample) |
| AU (1) | AU502321B2 (enExample) |
| CA (1) | CA1097842A (enExample) |
| CH (1) | CH623064A5 (enExample) |
| DD (1) | DD125632A5 (enExample) |
| DK (1) | DK230976A (enExample) |
| ES (1) | ES448136A1 (enExample) |
| FR (1) | FR2312515A1 (enExample) |
| GB (1) | GB1503129A (enExample) |
| IE (1) | IE42823B1 (enExample) |
| IT (1) | IT1060683B (enExample) |
| LU (1) | LU75027A1 (enExample) |
| NL (1) | NL189566C (enExample) |
| SE (1) | SE7605941L (enExample) |
| YU (1) | YU130176A (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2544040C2 (de) * | 1975-10-02 | 1981-09-24 | Hoechst Ag, 6000 Frankfurt | Verfahren zur Herstellung von modifizierten Tetrafluoräthylen-Dispersionspolymerisaten |
| EP0002809B1 (de) * | 1977-12-27 | 1981-10-14 | Hoechst Aktiengesellschaft | Thermoplastisches Fluorpolymerisat |
| JP3177983B2 (ja) * | 1992-02-05 | 2001-06-18 | ダイキン工業株式会社 | ポリテトラフルオロエチレン成形用粉末 |
-
1976
- 1976-05-21 NL NL7605469A patent/NL189566C/xx not_active IP Right Cessation
- 1976-05-21 ES ES448136A patent/ES448136A1/es not_active Expired
- 1976-05-25 SE SE7605941A patent/SE7605941L/ unknown
- 1976-05-25 DD DD19299776A patent/DD125632A5/xx unknown
- 1976-05-25 CH CH659076A patent/CH623064A5/de not_active IP Right Cessation
- 1976-05-26 AT AT386976A patent/AT343359B/de not_active IP Right Cessation
- 1976-05-26 DK DK230976A patent/DK230976A/da unknown
- 1976-05-26 LU LU75027A patent/LU75027A1/xx unknown
- 1976-05-26 IT IT2370276A patent/IT1060683B/it active
- 1976-05-27 GB GB2208276A patent/GB1503129A/en not_active Expired
- 1976-05-27 JP JP6072876A patent/JPS5931524B2/ja not_active Expired
- 1976-05-27 YU YU130176A patent/YU130176A/xx unknown
- 1976-05-27 IE IE111876A patent/IE42823B1/en unknown
- 1976-05-27 AU AU14345/76A patent/AU502321B2/en not_active Expired
- 1976-05-27 CA CA253,430A patent/CA1097842A/en not_active Expired
- 1976-05-28 FR FR7616159A patent/FR2312515A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS51146590A (en) | 1976-12-16 |
| LU75027A1 (enExample) | 1977-02-14 |
| ES448136A1 (es) | 1977-11-01 |
| FR2312515A1 (fr) | 1976-12-24 |
| JPS5931524B2 (ja) | 1984-08-02 |
| GB1503129A (en) | 1978-03-08 |
| AT343359B (de) | 1978-05-26 |
| YU130176A (en) | 1982-06-30 |
| AU1434576A (en) | 1977-12-01 |
| SE7605941L (sv) | 1976-11-29 |
| AU502321B2 (en) | 1979-07-19 |
| NL189566B (nl) | 1992-12-16 |
| NL7605469A (nl) | 1976-11-30 |
| FR2312515B1 (enExample) | 1980-09-12 |
| CA1097842A (en) | 1981-03-17 |
| IT1060683B (it) | 1982-08-20 |
| NL189566C (nl) | 1993-05-17 |
| ATA386976A (de) | 1977-09-15 |
| IE42823B1 (en) | 1980-10-22 |
| DD125632A5 (enExample) | 1977-05-04 |
| DK230976A (da) | 1976-11-29 |
| IE42823L (en) | 1976-11-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |