IE42823B1 - Process for the manufacture of suspension polymers of tetrafluoroethylene - Google Patents
Process for the manufacture of suspension polymers of tetrafluoroethyleneInfo
- Publication number
- IE42823B1 IE42823B1 IE111876A IE111876A IE42823B1 IE 42823 B1 IE42823 B1 IE 42823B1 IE 111876 A IE111876 A IE 111876A IE 111876 A IE111876 A IE 111876A IE 42823 B1 IE42823 B1 IE 42823B1
- Authority
- IE
- Ireland
- Prior art keywords
- tetrafluoroethylene
- formula
- process according
- ethers
- modification agent
- Prior art date
Links
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000008569 process Effects 0.000 title claims abstract description 22
- 229920000642 polymer Polymers 0.000 title claims abstract description 17
- 239000000725 suspension Substances 0.000 title abstract description 6
- 238000004519 manufacturing process Methods 0.000 title description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 19
- 150000002170 ethers Chemical class 0.000 claims description 19
- 230000004048 modification Effects 0.000 claims description 16
- 238000012986 modification Methods 0.000 claims description 16
- 238000006116 polymerization reaction Methods 0.000 claims description 12
- 238000010557 suspension polymerization reaction Methods 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 9
- 239000003054 catalyst Substances 0.000 claims description 6
- 125000004432 carbon atom Chemical group C* 0.000 claims description 4
- 230000000379 polymerizing effect Effects 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 abstract description 3
- 239000003607 modifier Substances 0.000 abstract 2
- 238000005336 cracking Methods 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 description 11
- -1 polytetrafluoroethylene Polymers 0.000 description 11
- 239000013256 coordination polymer Substances 0.000 description 7
- 238000000227 grinding Methods 0.000 description 7
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 6
- 239000004810 polytetrafluoroethylene Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000000843 powder Substances 0.000 description 5
- 150000003839 salts Chemical class 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 239000003995 emulsifying agent Substances 0.000 description 3
- 239000002609 medium Substances 0.000 description 3
- 230000001376 precipitating effect Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- RRZIJNVZMJUGTK-UHFFFAOYSA-N 1,1,2-trifluoro-2-(1,2,2-trifluoroethenoxy)ethene Chemical class FC(F)=C(F)OC(F)=C(F)F RRZIJNVZMJUGTK-UHFFFAOYSA-N 0.000 description 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 238000000280 densification Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 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
- 238000012360 testing method Methods 0.000 description 2
- 238000001149 thermolysis Methods 0.000 description 2
- 238000001238 wet grinding Methods 0.000 description 2
- USVVENVKYJZFMW-ONEGZZNKSA-N (e)-carboxyiminocarbamic acid Chemical compound OC(=O)\N=N\C(O)=O USVVENVKYJZFMW-ONEGZZNKSA-N 0.000 description 1
- 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
- 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
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 101000986989 Naja kaouthia Acidic phospholipase A2 CM-II Proteins 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 241000519995 Stachys sylvatica Species 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
- VBIXEXWLHSRNKB-UHFFFAOYSA-N ammonium oxalate Chemical compound [NH4+].[NH4+].[O-]C(=O)C([O-])=O VBIXEXWLHSRNKB-UHFFFAOYSA-N 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- XOZUGNYVDXMRKW-AATRIKPKSA-N azodicarbonamide Chemical compound NC(=O)\N=N\C(N)=O XOZUGNYVDXMRKW-AATRIKPKSA-N 0.000 description 1
- 235000019399 azodicarbonamide Nutrition 0.000 description 1
- 238000010364 biochemical engineering Methods 0.000 description 1
- 229910021538 borax Inorganic materials 0.000 description 1
- KXDHJXZQYSOELW-UHFFFAOYSA-N carbonic acid monoamide Natural products NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 210000003298 dental enamel Anatomy 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
- 230000003292 diminished effect Effects 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
- 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
- 230000006872 improvement Effects 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
- 238000006384 oligomerization reaction Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 150000004965 peroxy acids Chemical class 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000004328 sodium tetraborate Substances 0.000 description 1
- 235000010339 sodium tetraborate Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
- 229920002554 vinyl polymer Polymers 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 (2)
| Publication Number | Publication Date |
|---|---|
| IE42823L IE42823L (en) | 1976-11-28 |
| IE42823B1 true IE42823B1 (en) | 1980-10-22 |
Family
ID=25768947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IE111876A IE42823B1 (en) | 1975-05-28 | 1976-05-27 | Process for the manufacture of suspension polymers 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 |
| CH623064A5 (en) | 1981-05-15 |
| NL189566C (nl) | 1993-05-17 |
| ATA386976A (de) | 1977-09-15 |
| DD125632A5 (enExample) | 1977-05-04 |
| DK230976A (da) | 1976-11-29 |
| IE42823L (en) | 1976-11-28 |
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