BE658839A - - Google Patents
Info
- Publication number
- BE658839A BE658839A BE658839DA BE658839A BE 658839 A BE658839 A BE 658839A BE 658839D A BE658839D A BE 658839DA BE 658839 A BE658839 A BE 658839A
- Authority
- BE
- Belgium
- Prior art keywords
- dihydroxysiloxanes
- water
- cyclosiloxanes
- preparation
- molecular weight
- Prior art date
Links
- 238000000034 method Methods 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000002360 preparation method Methods 0.000 claims description 7
- 239000003054 catalyst Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 230000000269 nucleophilic effect Effects 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 claims description 2
- 239000003153 chemical reaction reagent Substances 0.000 claims 2
- 238000010438 heat treatment Methods 0.000 claims 1
- 230000003993 interaction Effects 0.000 claims 1
- 239000000203 mixture Substances 0.000 description 8
- -1 polysiloxanes Polymers 0.000 description 3
- 238000007127 saponification reaction Methods 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000005046 Chlorosilane Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- KOPOQZFJUQMUML-UHFFFAOYSA-N chlorosilane Chemical class Cl[SiH3] KOPOQZFJUQMUML-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 238000003786 synthesis reaction Methods 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
- C08G77/14—Polysiloxanes containing silicon bound to oxygen-containing groups
- C08G77/16—Polysiloxanes containing silicon bound to oxygen-containing groups to hydroxyl groups
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)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE658839A true BE658839A (https=) |
Family
ID=206939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE658839D BE658839A (https=) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE658839A (https=) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4762937A (en) * | 1986-08-29 | 1988-08-09 | Wacker-Chemie Gmbh | Method for preparing linear organopolysiloxanediols |
| EP0314315A3 (en) * | 1987-10-24 | 1990-10-10 | Dow Corning S.A. | Preparation of hydroxy terminated polysiloxanes |
-
0
- BE BE658839D patent/BE658839A/fr unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4762937A (en) * | 1986-08-29 | 1988-08-09 | Wacker-Chemie Gmbh | Method for preparing linear organopolysiloxanediols |
| EP0314315A3 (en) * | 1987-10-24 | 1990-10-10 | Dow Corning S.A. | Preparation of hydroxy terminated polysiloxanes |
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