DE2500930C2 - Verfahren zum Herstellen linearer Diorganopolysiloxan-Öle - Google Patents
Verfahren zum Herstellen linearer Diorganopolysiloxan-ÖleInfo
- Publication number
- DE2500930C2 DE2500930C2 DE2500930A DE2500930A DE2500930C2 DE 2500930 C2 DE2500930 C2 DE 2500930C2 DE 2500930 A DE2500930 A DE 2500930A DE 2500930 A DE2500930 A DE 2500930A DE 2500930 C2 DE2500930 C2 DE 2500930C2
- Authority
- DE
- Germany
- Prior art keywords
- column
- mixture
- acid
- activated
- continuously
- 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
- 238000000034 method Methods 0.000 title claims description 44
- 229920005645 diorganopolysiloxane polymer Polymers 0.000 title claims description 35
- 239000003921 oil Substances 0.000 title claims description 17
- 239000000203 mixture Substances 0.000 claims description 80
- 150000001875 compounds Chemical class 0.000 claims description 7
- 239000002253 acid Substances 0.000 description 47
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 40
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 29
- 239000007788 liquid Substances 0.000 description 28
- -1 Siloxanes Chemical class 0.000 description 24
- 239000003054 catalyst Substances 0.000 description 23
- 239000000047 product Substances 0.000 description 23
- 230000003197 catalytic effect Effects 0.000 description 20
- 125000005372 silanol group Chemical group 0.000 description 13
- 238000009835 boiling Methods 0.000 description 10
- 229920001296 polysiloxane Polymers 0.000 description 10
- 239000005909 Kieselgur Substances 0.000 description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 9
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 9
- 229920000642 polymer Polymers 0.000 description 9
- 238000010924 continuous production Methods 0.000 description 8
- 238000006555 catalytic reaction Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000007795 chemical reaction product Substances 0.000 description 6
- 238000004821 distillation Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 125000004122 cyclic group Chemical group 0.000 description 5
- 238000011067 equilibration Methods 0.000 description 5
- 230000007062 hydrolysis Effects 0.000 description 5
- 238000006460 hydrolysis reaction Methods 0.000 description 5
- 150000004756 silanes Chemical class 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 125000000217 alkyl group Chemical group 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 125000004432 carbon atom Chemical group C* 0.000 description 4
- 239000003456 ion exchange resin Substances 0.000 description 4
- 229920003303 ion-exchange polymer Polymers 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 125000003342 alkenyl group Chemical group 0.000 description 3
- 238000010923 batch production Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000003301 hydrolyzing effect Effects 0.000 description 3
- 239000004615 ingredient Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 125000001424 substituent group Chemical group 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000005046 Chlorosilane Substances 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- 239000003377 acid catalyst Substances 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 150000001768 cations Chemical class 0.000 description 2
- KOPOQZFJUQMUML-UHFFFAOYSA-N chlorosilane Chemical class Cl[SiH3] KOPOQZFJUQMUML-UHFFFAOYSA-N 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 2
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 2
- 229920002554 vinyl polymer Chemical group 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000112 colonic effect Effects 0.000 description 1
- 238000011437 continuous method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 125000000753 cycloalkyl group Chemical group 0.000 description 1
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical class O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 1
- 239000004205 dimethyl polysiloxane Substances 0.000 description 1
- 235000013870 dimethyl polysiloxane Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 150000002367 halogens Chemical group 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910000039 hydrogen halide Inorganic materials 0.000 description 1
- 239000012433 hydrogen halide Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 125000003808 silyl group Chemical group [H][Si]([H])([H])[*] 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 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
- C08G77/10—Equilibration processes
-
- 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
- C08G77/08—Preparatory processes characterised by the catalysts used
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Silicon Polymers (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00433123A US3853934A (en) | 1974-01-14 | 1974-01-14 | Continuous process for producing polysiloxane oils |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2500930A1 DE2500930A1 (de) | 1975-07-17 |
| DE2500930C2 true DE2500930C2 (de) | 1984-06-07 |
Family
ID=23718938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2500930A Expired DE2500930C2 (de) | 1974-01-14 | 1975-01-11 | Verfahren zum Herstellen linearer Diorganopolysiloxan-Öle |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3853934A (en, 2012) |
| JP (1) | JPS5626248B2 (en, 2012) |
| CA (1) | CA1044246A (en, 2012) |
| DE (1) | DE2500930C2 (en, 2012) |
| FR (1) | FR2257632B1 (en, 2012) |
| GB (1) | GB1488369A (en, 2012) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4441057A1 (de) * | 1994-11-17 | 1996-05-23 | Wacker Chemie Gmbh | Verfahren zur kontinuierlichen Herstellung von Organopolysiloxanen |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2357184A1 (de) * | 1973-11-16 | 1975-05-22 | Merck Patent Gmbh | Verfahren zur herstellung von organisch modifizierten siliciumdioxiden |
| US4096160A (en) * | 1976-04-21 | 1978-06-20 | General Electric Company | Continuous devolatilization of silanol-terminated silicone polymer |
| US4085084A (en) * | 1976-08-26 | 1978-04-18 | General Electric Company | Silicone resins having good thermal stability |
| DE2705563C2 (de) * | 1977-02-10 | 1982-10-14 | Bayer Ag, 5090 Leverkusen | Verfahren zur kontinuierlichen Herstellung von hochviskosen Polydiorganosiloxanen |
| US4222952A (en) * | 1979-06-25 | 1980-09-16 | Union Carbide Corporation | Siloxane bond rearrangement effected by solid perfluorinated polymers containing pendant sulfonic acid groups |
| JPS6025062B2 (ja) * | 1981-07-27 | 1985-06-15 | 東芝シリコ−ン株式会社 | 成形方法 |
| US4599437A (en) * | 1984-10-29 | 1986-07-08 | Wacker-Chemie Gmbh | Continuous process for varying molecular weight of organopolysiloxanes |
| DE3632875A1 (de) * | 1986-09-26 | 1988-04-07 | Wacker Chemie Gmbh | Kontinuierliches verfahren zur herstellung von triorganosiloxygruppen als endstaendige einheiten aufweisenden organopolysiloxanen |
| US4831174A (en) * | 1987-12-31 | 1989-05-16 | Dow Corning Corporation | Production of polydiorganosiloxane fluids with low silanol content |
| DE3914912A1 (de) * | 1989-05-05 | 1990-11-08 | Wacker Chemie Gmbh | Verfahren zur kontinuierlichen herstellung von hochmolekularen organosiliciumverbindungen |
| US5068383A (en) * | 1990-11-09 | 1991-11-26 | Dow Corning Corporation | Catalyzed redistribution of polyorganosiloxanes |
| GB9115170D0 (en) * | 1991-07-12 | 1991-08-28 | Dow Corning Sa | Process and apparatus for the production of organosilicon compounds |
| DE4212754A1 (de) * | 1992-04-16 | 1993-10-21 | Nuenchritz Chemie Gmbh | Verfahren zur Herstellung von Polyorganosiloxanen |
| DE4235877A1 (de) * | 1992-10-23 | 1994-04-28 | Wacker Chemie Gmbh | Verfahren zur Herstellung von Methylpolysiloxanen |
| US5510441A (en) * | 1993-07-15 | 1996-04-23 | General Electric Company | Process for producing octamethyltrisiloxane |
| US5408025A (en) * | 1993-07-15 | 1995-04-18 | General Electric Company | Synthesis of low silanol content, triorgano-stopped silicone fluids |
| US5616673A (en) | 1995-12-13 | 1997-04-01 | General Electric Company | Process for production of low viscosity low silanol content silicone fluids |
| DE19816921A1 (de) | 1998-04-16 | 1999-10-21 | Wacker Chemie Gmbh | Verfahren für kontinuierliche polymeranaloge Umsetzungen |
| US6433122B1 (en) * | 1999-11-25 | 2002-08-13 | Dow Corning Toray Silicone Co., Ltd. | method for producing organopolysiloxane |
| JP4568418B2 (ja) * | 1999-11-25 | 2010-10-27 | 東レ・ダウコーニング株式会社 | オルガノポリシロキサンの製造方法 |
| CN101421333A (zh) * | 2006-03-01 | 2009-04-29 | 诺沃出口私人有限公司 | 聚合硅酮流体的改进方法 |
| DE102007020568A1 (de) * | 2007-05-02 | 2008-11-06 | Wacker Chemie Ag | Verfahren zur kontinuierlichen Herstellung von Aminoalkylgruppen aufweisenden Organopolysiloxanen |
| CN106065072A (zh) * | 2016-06-03 | 2016-11-02 | 江门市胜鹏化工实业有限公司 | 二甲基硅油的制备方法及其应用 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE957662C (de) * | 1954-02-15 | 1957-01-17 | Farbenfabriken Bayer Aktiengesellschaft, Leverkusen-Bayerwerk | Verfahren zur Herstellung von stabilen Alkyl- und/oder Arylpolysiloxanölen |
| DE1261325B (de) * | 1959-07-06 | 1968-02-15 | Bayer Ag | Verfahren zur Herstellung von linearen Arylalkylpolysiloxanen |
| BE756725A (fr) * | 1969-09-29 | 1971-03-29 | Dow Corning | Procede de preparation de 3,3,3-trifluoropropylmethylpolysiloxanes |
| US3714213A (en) * | 1971-01-06 | 1973-01-30 | Gen Electric | Method of making cyclopolysiloxanes containing silanic hydrogen |
| BE789272A (fr) * | 1971-09-29 | 1973-03-26 | Wacker Chemie Gmbh | Procede de preparation d'organosiloxanes |
-
1974
- 1974-01-14 US US00433123A patent/US3853934A/en not_active Expired - Lifetime
- 1974-10-09 CA CA211,071A patent/CA1044246A/en not_active Expired
- 1974-12-23 GB GB55512/74A patent/GB1488369A/en not_active Expired
-
1975
- 1975-01-11 DE DE2500930A patent/DE2500930C2/de not_active Expired
- 1975-01-14 JP JP598675A patent/JPS5626248B2/ja not_active Expired
- 1975-01-14 FR FR7501017A patent/FR2257632B1/fr not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4441057A1 (de) * | 1994-11-17 | 1996-05-23 | Wacker Chemie Gmbh | Verfahren zur kontinuierlichen Herstellung von Organopolysiloxanen |
| DE4441057C2 (de) * | 1994-11-17 | 1999-02-25 | Wacker Chemie Gmbh | Verfahren zur kontinuierlichen Herstellung von Organopolysiloxanen |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2257632B1 (en, 2012) | 1979-07-27 |
| FR2257632A1 (en, 2012) | 1975-08-08 |
| US3853934A (en) | 1974-12-10 |
| DE2500930A1 (de) | 1975-07-17 |
| JPS5626248B2 (en, 2012) | 1981-06-17 |
| GB1488369A (en) | 1977-10-12 |
| CA1044246A (en) | 1978-12-12 |
| JPS50107098A (en, 2012) | 1975-08-23 |
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| JPS6258619B2 (en, 2012) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| 8125 | Change of the main classification |
Ipc: C08G 77/10 |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |