CH426267A - Verfahren zur Polymerisation von Tetrafluoräthylen - Google Patents
Verfahren zur Polymerisation von TetrafluoräthylenInfo
- Publication number
- CH426267A CH426267A CH349363A CH349363A CH426267A CH 426267 A CH426267 A CH 426267A CH 349363 A CH349363 A CH 349363A CH 349363 A CH349363 A CH 349363A CH 426267 A CH426267 A CH 426267A
- Authority
- CH
- Switzerland
- Prior art keywords
- temperature
- pressure
- polymerization
- tetrafluoroethylene
- water
- Prior art date
Links
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 title claims description 39
- 238000006116 polymerization reaction Methods 0.000 title claims description 34
- 238000000034 method Methods 0.000 title claims description 27
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 239000003054 catalyst Substances 0.000 claims description 19
- 238000006243 chemical reaction Methods 0.000 claims description 15
- 229910001961 silver nitrate Inorganic materials 0.000 claims description 15
- 150000002978 peroxides Chemical class 0.000 claims description 11
- 229910021538 borax Inorganic materials 0.000 claims description 8
- 235000010339 sodium tetraborate Nutrition 0.000 claims description 8
- 239000004328 sodium tetraborate Substances 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 7
- GGCZERPQGJTIQP-UHFFFAOYSA-N sodium;9,10-dioxoanthracene-2-sulfonic acid Chemical compound [Na+].C1=CC=C2C(=O)C3=CC(S(=O)(=O)O)=CC=C3C(=O)C2=C1 GGCZERPQGJTIQP-UHFFFAOYSA-N 0.000 claims description 7
- 230000001419 dependent effect Effects 0.000 claims description 4
- 229910052783 alkali metal Inorganic materials 0.000 claims description 3
- 235000011180 diphosphates Nutrition 0.000 claims description 3
- 239000012429 reaction media Substances 0.000 claims description 3
- -1 alkali metal persulfate Chemical class 0.000 claims description 2
- 239000012431 aqueous reaction media Substances 0.000 claims description 2
- XPPKVPWEQAFLFU-UHFFFAOYSA-J diphosphate(4-) Chemical compound [O-]P([O-])(=O)OP([O-])([O-])=O XPPKVPWEQAFLFU-UHFFFAOYSA-J 0.000 claims description 2
- KVIPHDKUOLVVQN-UHFFFAOYSA-N ethene;hydrate Chemical compound O.C=C KVIPHDKUOLVVQN-UHFFFAOYSA-N 0.000 claims description 2
- 239000011261 inert gas Substances 0.000 claims description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims 1
- 229920000642 polymer Polymers 0.000 description 46
- 239000000178 monomer Substances 0.000 description 17
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 14
- 239000007864 aqueous solution Substances 0.000 description 10
- 239000000243 solution Substances 0.000 description 10
- 238000003756 stirring Methods 0.000 description 9
- 229910052757 nitrogen Inorganic materials 0.000 description 7
- 239000008187 granular material Substances 0.000 description 6
- 230000002378 acidificating effect Effects 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium peroxydisulfate Substances [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 4
- VAZSKTXWXKYQJF-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)OOS([O-])=O VAZSKTXWXKYQJF-UHFFFAOYSA-N 0.000 description 4
- 229910001870 ammonium persulfate Inorganic materials 0.000 description 4
- 239000011541 reaction mixture Substances 0.000 description 4
- 239000012190 activator Substances 0.000 description 3
- 239000012928 buffer substance Substances 0.000 description 3
- 239000012153 distilled water Substances 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 230000009969 flowable effect Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 239000012736 aqueous medium Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 239000012992 electron transfer agent Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 229920006158 high molecular weight polymer Polymers 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- JRKICGRDRMAZLK-UHFFFAOYSA-L persulfate group Chemical group S(=O)(=O)([O-])OOS(=O)(=O)[O-] JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- FQENQNTWSFEDLI-UHFFFAOYSA-J sodium diphosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])([O-])=O FQENQNTWSFEDLI-UHFFFAOYSA-J 0.000 description 2
- 229940048086 sodium pyrophosphate Drugs 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 235000019818 tetrasodium diphosphate Nutrition 0.000 description 2
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 description 2
- 239000003017 thermal stabilizer Substances 0.000 description 2
- 238000006276 transfer reaction Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical class OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001860 citric acid derivatives Chemical class 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000008232 de-aerated water Substances 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- GRWZHXKQBITJKP-UHFFFAOYSA-N dithionous acid Chemical class OS(=O)S(O)=O GRWZHXKQBITJKP-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 150000003891 oxalate salts Chemical class 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229940048084 pyrophosphate Drugs 0.000 description 1
- 238000010526 radical polymerization reaction Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 150000003378 silver Chemical class 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229940100890 silver compound Drugs 0.000 description 1
- 150000003379 silver compounds Chemical class 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- HELHAJAZNSDZJO-OLXYHTOASA-L sodium L-tartrate Chemical compound [Na+].[Na+].[O-]C(=O)[C@H](O)[C@@H](O)C([O-])=O HELHAJAZNSDZJO-OLXYHTOASA-L 0.000 description 1
- PFUVRDFDKPNGAV-UHFFFAOYSA-N sodium peroxide Chemical compound [Na+].[Na+].[O-][O-] PFUVRDFDKPNGAV-UHFFFAOYSA-N 0.000 description 1
- 229960002167 sodium tartrate Drugs 0.000 description 1
- 239000001433 sodium tartrate Substances 0.000 description 1
- 235000011004 sodium tartrates Nutrition 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000725 suspension Substances 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
- C08F114/00—Homopolymers 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
- C08F114/18—Monomers containing fluorine
- C08F114/26—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
- 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
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)
- Polymerization Catalysts (AREA)
- Electrodes Of Semiconductors (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT545762 | 1962-03-20 | ||
| IT1851662 | 1962-09-20 | ||
| IT520663 | 1963-03-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH426267A true CH426267A (de) | 1966-12-15 |
Family
ID=27272639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH349363A CH426267A (de) | 1962-03-20 | 1963-03-19 | Verfahren zur Polymerisation von Tetrafluoräthylen |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS4936953B1 (enrdf_load_stackoverflow) |
| CH (1) | CH426267A (enrdf_load_stackoverflow) |
| DK (1) | DK106248C (enrdf_load_stackoverflow) |
| NL (1) | NL290418A (enrdf_load_stackoverflow) |
| NO (1) | NO115762B (enrdf_load_stackoverflow) |
| SE (1) | SE318406B (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0431145U (enrdf_load_stackoverflow) * | 1990-07-11 | 1992-03-12 |
-
0
- NL NL290418D patent/NL290418A/xx unknown
-
1963
- 1963-03-19 SE SE2988/63A patent/SE318406B/xx unknown
- 1963-03-19 CH CH349363A patent/CH426267A/de unknown
- 1963-03-19 DK DK124863A patent/DK106248C/da active
- 1963-03-20 NO NO14795863A patent/NO115762B/no unknown
- 1963-03-20 JP JP1331463A patent/JPS4936953B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| SE318406B (enrdf_load_stackoverflow) | 1969-12-08 |
| NL290418A (enrdf_load_stackoverflow) | |
| JPS4936953B1 (enrdf_load_stackoverflow) | 1974-10-04 |
| DK106248C (da) | 1967-01-09 |
| NO115762B (enrdf_load_stackoverflow) | 1968-11-25 |
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