CA970095A - Rearrangement of organosiloxanes using macroreticular sulfonic acid cation exchange resin - Google Patents
Rearrangement of organosiloxanes using macroreticular sulfonic acid cation exchange resinInfo
- Publication number
- CA970095A CA970095A CA121,527A CA121527A CA970095A CA 970095 A CA970095 A CA 970095A CA 121527 A CA121527 A CA 121527A CA 970095 A CA970095 A CA 970095A
- Authority
- CA
- Canada
- Prior art keywords
- organosiloxanes
- rearrangement
- sulfonic acid
- exchange resin
- cation exchange
- 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
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 title 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 title 1
- 239000003729 cation exchange resin Substances 0.000 title 1
- 125000005375 organosiloxane group Chemical group 0.000 title 1
- 230000008707 rearrangement Effects 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/06—Preparatory processes
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
- C07F7/02—Silicon compounds
- C07F7/21—Cyclic compounds having at least one ring containing silicon, but no carbon in the ring
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/045—Polysiloxanes containing less than 25 silicon atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Silicon Polymers (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US8272170A | 1970-10-21 | 1970-10-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA970095A true CA970095A (en) | 1975-06-24 |
Family
ID=22173010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA121,527A Expired CA970095A (en) | 1970-10-21 | 1971-08-27 | Rearrangement of organosiloxanes using macroreticular sulfonic acid cation exchange resin |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3694405A (fr) |
| JP (1) | JPS5010849B1 (fr) |
| AU (1) | AU464094B2 (fr) |
| BE (1) | BE774193A (fr) |
| CA (1) | CA970095A (fr) |
| FR (1) | FR2111629A5 (fr) |
| GB (1) | GB1366103A (fr) |
| NL (1) | NL158198B (fr) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3903047A (en) * | 1973-10-23 | 1975-09-02 | Gen Electric | Process for the production of silanol-stopped diorgano-polysiloxanes |
| US3899456A (en) * | 1974-02-19 | 1975-08-12 | Olin Corp | Siloxane vulcanizates and a method for the preparation thereof |
| GB1518279A (en) * | 1974-09-24 | 1978-07-19 | Ass Portland Cement | Siloxanes |
| US4222952A (en) * | 1979-06-25 | 1980-09-16 | Union Carbide Corporation | Siloxane bond rearrangement effected by solid perfluorinated polymers containing pendant sulfonic acid groups |
| US4625011A (en) * | 1983-06-15 | 1986-11-25 | Dow Corning Corporation | Neutralization of alkali metal catalysts in organopolysiloxanes |
| GB9227153D0 (en) * | 1992-12-31 | 1993-02-24 | Dow Corning | Process for the production of organosilicon compounds |
| US5488087A (en) * | 1994-06-16 | 1996-01-30 | Dow Corning Corporation | Preparation of polydiorganosiloxane and sulfonated polyolefin blends |
| US5486590A (en) * | 1995-02-09 | 1996-01-23 | Dow Corning Corporation | Sulfonated polyethylene rearrangement of polyorganosiloxanes |
| JP3862007B2 (ja) * | 2002-05-31 | 2006-12-27 | 信越化学工業株式会社 | スルホン化樹脂触媒の再活性化方法 |
| US20040176561A1 (en) * | 2002-12-31 | 2004-09-09 | Gelest, Inc. | Continuous cationic polymerization of siloxanes |
| DE10301355A1 (de) * | 2003-01-16 | 2004-07-29 | Goldschmidt Ag | Äquilibrierung von Siloxanen |
| DE102005001039B4 (de) * | 2005-01-07 | 2017-11-09 | Evonik Degussa Gmbh | Verfahren zur Herstellung von Äquilibrierungsprodukten von Organosiloxanen und die so erhältlichen Organopolysiloxane |
| DE102007055484A1 (de) | 2007-11-21 | 2009-05-28 | Evonik Goldschmidt Gmbh | Verfahren zur Herstellung von Polydimethylsiloxanen an sulfonsauren Kationenaustauscherharzen |
| DE102008041601A1 (de) * | 2008-08-27 | 2010-03-04 | Evonik Goldschmidt Gmbh | Verfahren zur Herstellung verzweigter SiH-funtioneller Polysiloxane und deren Verwendung zur Herstellung flüssiger, SiC- oder SiOC-verknüpfter, verzweigter organomodifizierter Polysiloxane |
| DE102008042181B4 (de) * | 2008-09-18 | 2020-07-23 | Evonik Operations Gmbh | Äquilibrierung von Siloxanen an wasserhaltigen sulfonsauren Kationenaustauscherharzen |
| WO2010074831A1 (fr) | 2008-12-16 | 2010-07-01 | Dow Corning Corporation | Préparation de siloxanes |
| DE102012211258A1 (de) * | 2012-06-29 | 2014-01-02 | Wacker Chemie Ag | Siloxan-Mischungen |
| US20210189210A1 (en) * | 2017-10-13 | 2021-06-24 | Wacker Chemie Ag | Mixtures of md-methylpolysiloxanes as heat carrier fluid |
| WO2024243122A1 (fr) * | 2023-05-25 | 2024-11-28 | Dow Global Technologies Llc | Polymérisation de polymères de siloxane |
| WO2024243126A1 (fr) * | 2023-05-25 | 2024-11-28 | Dow Global Technologies Llc | Polymérisation de polymères de siloxane |
-
1970
- 1970-10-21 US US82721A patent/US3694405A/en not_active Expired - Lifetime
-
1971
- 1971-08-27 CA CA121,527A patent/CA970095A/en not_active Expired
- 1971-10-13 AU AU34522/71A patent/AU464094B2/en not_active Expired
- 1971-10-20 GB GB4882571A patent/GB1366103A/en not_active Expired
- 1971-10-20 BE BE774193A patent/BE774193A/fr not_active IP Right Cessation
- 1971-10-20 FR FR7137741A patent/FR2111629A5/fr not_active Expired
- 1971-10-20 JP JP46082551A patent/JPS5010849B1/ja active Pending
- 1971-10-20 NL NL7114412.A patent/NL158198B/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| NL158198B (nl) | 1978-10-16 |
| GB1366103A (en) | 1974-09-11 |
| JPS5010849B1 (fr) | 1975-04-24 |
| DE2152270B2 (de) | 1975-07-31 |
| US3694405A (en) | 1972-09-26 |
| AU3452271A (en) | 1973-09-27 |
| FR2111629A5 (fr) | 1972-06-02 |
| NL7114412A (fr) | 1972-04-25 |
| BE774193A (fr) | 1972-04-20 |
| AU464094B2 (en) | 1975-08-14 |
| DE2152270A1 (de) | 1972-04-27 |
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