DE2203465C2 - Verfahren zur Herstellung von wäßrigen Dispersionen von Polytetrafluoräthylen - Google Patents
Verfahren zur Herstellung von wäßrigen Dispersionen von PolytetrafluoräthylenInfo
- Publication number
- DE2203465C2 DE2203465C2 DE19722203465 DE2203465A DE2203465C2 DE 2203465 C2 DE2203465 C2 DE 2203465C2 DE 19722203465 DE19722203465 DE 19722203465 DE 2203465 A DE2203465 A DE 2203465A DE 2203465 C2 DE2203465 C2 DE 2203465C2
- Authority
- DE
- Germany
- Prior art keywords
- polymerization
- polytetrafluoroethylene
- dispersion
- dispersions
- preparation
- 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.)
- Expired
Links
- 239000006185 dispersion Substances 0.000 title claims description 29
- -1 polytetrafluoroethylene Polymers 0.000 title claims description 19
- 229920001343 polytetrafluoroethylene Polymers 0.000 title claims description 17
- 239000004810 polytetrafluoroethylene Substances 0.000 title claims description 17
- 238000000034 method Methods 0.000 title claims description 13
- 238000002360 preparation method Methods 0.000 title claims description 3
- 239000003995 emulsifying agent Substances 0.000 claims description 8
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims description 8
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium peroxydisulfate Substances [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 6
- 125000004432 carbon atom Chemical group C* 0.000 claims description 5
- 238000007720 emulsion polymerization reaction Methods 0.000 claims description 5
- 239000003513 alkali Substances 0.000 claims description 4
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims description 3
- 239000012736 aqueous medium Substances 0.000 claims description 3
- 239000003999 initiator Substances 0.000 claims description 3
- 229920006395 saturated elastomer Polymers 0.000 claims description 3
- 239000003638 chemical reducing agent Substances 0.000 claims description 2
- 150000002978 peroxides Chemical class 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 150000008282 halocarbons Chemical class 0.000 claims 2
- VAZSKTXWXKYQJF-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)OOS([O-])=O VAZSKTXWXKYQJF-UHFFFAOYSA-N 0.000 claims 1
- YMEPHRXFRJPMOW-UHFFFAOYSA-N chloro carbonofluoridate Chemical compound FC(=O)OCl YMEPHRXFRJPMOW-UHFFFAOYSA-N 0.000 claims 1
- 150000003839 salts Chemical class 0.000 claims 1
- 238000006116 polymerization reaction Methods 0.000 description 26
- 239000003381 stabilizer Substances 0.000 description 18
- 229930195733 hydrocarbon Natural products 0.000 description 10
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 10
- 150000002430 hydrocarbons Chemical class 0.000 description 9
- 229920000642 polymer Polymers 0.000 description 8
- 239000000843 powder Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000004215 Carbon black (E152) Substances 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- UOCLXMDMGBRAIB-UHFFFAOYSA-N 1,1,1-trichloroethane Chemical compound CC(Cl)(Cl)Cl UOCLXMDMGBRAIB-UHFFFAOYSA-N 0.000 description 4
- 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 4
- 239000000203 mixture Substances 0.000 description 4
- 239000000178 monomer Substances 0.000 description 4
- 230000015271 coagulation Effects 0.000 description 3
- 238000005345 coagulation Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- 150000003863 ammonium salts Chemical class 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 229930195734 saturated hydrocarbon Natural products 0.000 description 2
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 description 2
- LWHQXUODFPPQTL-UHFFFAOYSA-M sodium;2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-pentadecafluorooctanoate Chemical compound [Na+].[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 LWHQXUODFPPQTL-UHFFFAOYSA-M 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000012546 transfer 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
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 description 1
- JILSVNQLEQJWIK-UHFFFAOYSA-N 1-bromo-1-chloro-1,2-difluoroethane Chemical compound FCC(F)(Cl)Br JILSVNQLEQJWIK-UHFFFAOYSA-N 0.000 description 1
- MKTOIPPVFPJEQO-UHFFFAOYSA-N 4-(3-carboxypropanoylperoxy)-4-oxobutanoic acid Chemical compound OC(=O)CCC(=O)OOC(=O)CCC(O)=O MKTOIPPVFPJEQO-UHFFFAOYSA-N 0.000 description 1
- 239000004160 Ammonium persulphate Substances 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910020314 ClBr Inorganic materials 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical class [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 description 1
- XDFAFSZZSSDVRL-UHFFFAOYSA-N [O-]P([O-])(=O)OP(=O)([O-])[O-].P(=O)([O-])([O-])[O-].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+] Chemical compound [O-]P([O-])(=O)OP(=O)([O-])[O-].P(=O)([O-])([O-])[O-].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+] XDFAFSZZSSDVRL-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 125000002015 acyclic group Chemical group 0.000 description 1
- 150000001447 alkali salts Chemical class 0.000 description 1
- 235000019395 ammonium persulphate Nutrition 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 125000004773 chlorofluoromethyl group Chemical group [H]C(F)(Cl)* 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010908 decantation Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000004815 dispersion polymer Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- IMBKASBLAKCLEM-UHFFFAOYSA-L ferrous ammonium sulfate (anhydrous) Chemical compound [NH4+].[NH4+].[Fe+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O IMBKASBLAKCLEM-UHFFFAOYSA-L 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009474 hot melt extrusion Methods 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000010907 mechanical stirring Methods 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
- JRKICGRDRMAZLK-UHFFFAOYSA-L peroxydisulfate Chemical compound [O-]S(=O)(=O)OOS([O-])(=O)=O JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 description 1
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 229910001961 silver nitrate Inorganic materials 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 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 1
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 description 1
- 229940048086 sodium pyrophosphate Drugs 0.000 description 1
- UIMRWXUIVFZGSD-UHFFFAOYSA-M sodium;2,2,3,3,4,4,5,5,6,6,6-undecafluorohexanoate Chemical compound [Na+].[O-]C(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F UIMRWXUIVFZGSD-UHFFFAOYSA-M 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 235000019818 tetrasodium diphosphate Nutrition 0.000 description 1
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 229940099259 vaseline Drugs 0.000 description 1
- JLYXXMFPNIAWKQ-UHFFFAOYSA-N γ Benzene hexachloride Chemical compound ClC1C(Cl)C(Cl)C(Cl)C(Cl)C1Cl JLYXXMFPNIAWKQ-UHFFFAOYSA-N 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)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7102800A FR2123703A5 (enExample) | 1971-01-28 | 1971-01-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2203465A1 DE2203465A1 (de) | 1972-09-28 |
| DE2203465C2 true DE2203465C2 (de) | 1983-02-10 |
Family
ID=9071019
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19722203465 Expired DE2203465C2 (de) | 1971-01-28 | 1972-01-26 | Verfahren zur Herstellung von wäßrigen Dispersionen von Polytetrafluoräthylen |
| DE19722265612 Expired DE2265612C2 (de) | 1971-01-28 | 1972-01-26 | Verfahren zur Herstellung von wäßrigen Dispersionen von Polytetrafluoräthylen |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19722265612 Expired DE2265612C2 (de) | 1971-01-28 | 1972-01-26 | Verfahren zur Herstellung von wäßrigen Dispersionen von Polytetrafluoräthylen |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS5125076B1 (enExample) |
| BE (1) | BE777815A (enExample) |
| DE (2) | DE2203465C2 (enExample) |
| FR (1) | FR2123703A5 (enExample) |
| GB (1) | GB1372966A (enExample) |
| IT (1) | IT948939B (enExample) |
| LU (1) | LU64665A1 (enExample) |
| NL (1) | NL165473C (enExample) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1353965B1 (en) * | 2000-11-30 | 2005-11-02 | 3M Innovative Properties Company | Explosion-free emulsion polymerisation process for the production of polytetrafluoroethylene |
| US7345127B2 (en) | 2001-03-23 | 2008-03-18 | University Of Pennsylvania | Living radical polymerization of halogen-containing and acrylic monomers and the formation of block copolymers therefrom |
| US6911515B2 (en) | 2001-03-23 | 2005-06-28 | University Of Pennsylvania | Aqueous room temperature living radical polymerization of vinyl halides |
| WO2003002621A1 (en) * | 2001-06-27 | 2003-01-09 | University Of Pennsylvania | Radical polymerization of vinyl halide |
Family Cites Families (2)
| 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 |
| GB1178170A (en) * | 1967-07-05 | 1970-01-21 | Ici Ltd | Polymers of Tetrafluoroethylene |
-
1971
- 1971-01-28 FR FR7102800A patent/FR2123703A5/fr not_active Expired
-
1972
- 1972-01-07 BE BE777815A patent/BE777815A/xx unknown
- 1972-01-26 LU LU64665D patent/LU64665A1/xx unknown
- 1972-01-26 DE DE19722203465 patent/DE2203465C2/de not_active Expired
- 1972-01-26 IT IT6722872A patent/IT948939B/it active
- 1972-01-26 DE DE19722265612 patent/DE2265612C2/de not_active Expired
- 1972-01-27 NL NL7201105A patent/NL165473C/xx not_active IP Right Cessation
- 1972-01-28 JP JP47009962A patent/JPS5125076B1/ja active Pending
- 1972-01-28 GB GB418572A patent/GB1372966A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2123703A5 (enExample) | 1972-09-15 |
| DE2203465A1 (de) | 1972-09-28 |
| IT948939B (it) | 1973-06-11 |
| NL7201105A (enExample) | 1972-08-01 |
| GB1372966A (en) | 1974-11-06 |
| DE2265612C2 (de) | 1983-01-13 |
| BE777815A (fr) | 1972-05-02 |
| LU64665A1 (enExample) | 1972-06-26 |
| JPS5125076B1 (enExample) | 1976-07-28 |
| NL165473C (nl) | 1981-04-15 |
| NL165473B (nl) | 1980-11-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| OI | Miscellaneous see part 1 | ||
| OI | Miscellaneous see part 1 | ||
| AH | Division in |
Ref country code: DE Ref document number: 2265612 Format of ref document f/p: P |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition |