DD243276A5 - Verfahren zur herstellung von perfluorpolyethern - Google Patents
Verfahren zur herstellung von perfluorpolyethern Download PDFInfo
- Publication number
- DD243276A5 DD243276A5 DD28731286A DD28731286A DD243276A5 DD 243276 A5 DD243276 A5 DD 243276A5 DD 28731286 A DD28731286 A DD 28731286A DD 28731286 A DD28731286 A DD 28731286A DD 243276 A5 DD243276 A5 DD 243276A5
- Authority
- DD
- German Democratic Republic
- Prior art keywords
- bromine
- product
- molecular weight
- perfluoropolyethers
- brominated
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title description 2
- 239000010702 perfluoropolyether Substances 0.000 claims abstract description 47
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical group [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims abstract description 34
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims abstract description 31
- 229910052794 bromium Inorganic materials 0.000 claims abstract description 31
- 238000000034 method Methods 0.000 claims abstract description 21
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 17
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000001301 oxygen Substances 0.000 claims abstract description 16
- 238000006243 chemical reaction Methods 0.000 claims abstract description 8
- 230000005855 radiation Effects 0.000 claims abstract description 8
- 238000002360 preparation method Methods 0.000 claims abstract description 6
- 230000003647 oxidation Effects 0.000 claims abstract description 4
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 4
- 239000000047 product Substances 0.000 claims description 35
- 238000007539 photo-oxidation reaction Methods 0.000 claims description 4
- 239000007795 chemical reaction product Substances 0.000 claims description 3
- 239000012442 inert solvent Substances 0.000 claims description 3
- 238000006303 photolysis reaction Methods 0.000 claims description 3
- 230000015843 photosynthesis, light reaction Effects 0.000 claims description 3
- 238000007669 thermal treatment Methods 0.000 claims description 3
- 239000012467 final product Substances 0.000 claims description 2
- 229910052731 fluorine Inorganic materials 0.000 claims description 2
- 239000011737 fluorine Substances 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims description 2
- 229920006395 saturated elastomer Polymers 0.000 claims description 2
- 125000001153 fluoro group Chemical group F* 0.000 claims 1
- 239000012429 reaction media Substances 0.000 claims 1
- 150000002978 peroxides Chemical class 0.000 abstract description 23
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical compound FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 abstract description 9
- 230000001588 bifunctional effect Effects 0.000 abstract description 4
- 239000007791 liquid phase Substances 0.000 abstract description 2
- 238000002474 experimental method Methods 0.000 description 10
- 150000001875 compounds Chemical class 0.000 description 9
- 230000007935 neutral effect Effects 0.000 description 8
- 238000005481 NMR spectroscopy Methods 0.000 description 6
- 239000011541 reaction mixture Substances 0.000 description 6
- 238000005893 bromination reaction Methods 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- HCDGVLDPFQMKDK-UHFFFAOYSA-N hexafluoropropylene Chemical compound FC(F)=C(F)C(F)(F)F HCDGVLDPFQMKDK-UHFFFAOYSA-N 0.000 description 3
- UJMWVICAENGCRF-UHFFFAOYSA-N oxygen difluoride Chemical class FOF UJMWVICAENGCRF-UHFFFAOYSA-N 0.000 description 3
- 239000002243 precursor Substances 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- 238000005979 thermal decomposition reaction Methods 0.000 description 3
- 230000031709 bromination Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical group FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 229920001774 Perfluoroether Polymers 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 125000002252 acyl group Chemical group 0.000 description 1
- 125000001246 bromo group Chemical group Br* 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052756 noble gas Inorganic materials 0.000 description 1
- 150000002926 oxygen Chemical class 0.000 description 1
- -1 peroxide compound Chemical class 0.000 description 1
- 239000012047 saturated solution Substances 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- CYRMSUTZVYGINF-UHFFFAOYSA-N trichlorofluoromethane Chemical compound FC(Cl)(Cl)Cl CYRMSUTZVYGINF-UHFFFAOYSA-N 0.000 description 1
- 238000000214 vapour pressure osmometry Methods 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT8519653A IT1207494B (it) | 1985-02-26 | 1985-02-26 | Bifunzionali bromurati a peso mole perfluoropolieteri aventi terminali colare controllato |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD243276A5 true DD243276A5 (de) | 1987-02-25 |
Family
ID=11160098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD28731286A DD243276A5 (de) | 1985-02-26 | 1986-02-25 | Verfahren zur herstellung von perfluorpolyethern |
Country Status (4)
| Country | Link |
|---|---|
| CS (1) | CS261236B2 (enExample) |
| DD (1) | DD243276A5 (enExample) |
| IT (1) | IT1207494B (enExample) |
| ZA (1) | ZA861376B (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0267627A1 (en) * | 1986-11-14 | 1988-05-18 | AUSIMONT S.r.l. | Process for the preparation of halogenated polyethers |
-
1985
- 1985-02-26 IT IT8519653A patent/IT1207494B/it active
-
1986
- 1986-02-24 ZA ZA861376A patent/ZA861376B/xx unknown
- 1986-02-25 DD DD28731286A patent/DD243276A5/de not_active IP Right Cessation
- 1986-02-25 CS CS861301A patent/CS261236B2/cs unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0267627A1 (en) * | 1986-11-14 | 1988-05-18 | AUSIMONT S.r.l. | Process for the preparation of halogenated polyethers |
Also Published As
| Publication number | Publication date |
|---|---|
| CS261236B2 (en) | 1989-01-12 |
| IT8519653A0 (it) | 1985-02-26 |
| ZA861376B (en) | 1986-10-29 |
| IT1207494B (it) | 1989-05-25 |
| CS130186A2 (enExample) | 1988-03-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ENJ | Ceased due to non-payment of renewal fee |