RO86382B1 - Procedeu pentru obtinerea heptametilvinilciclotetrasiloxanului - Google Patents
Procedeu pentru obtinerea heptametilvinilciclotetrasiloxanuluiInfo
- Publication number
- RO86382B1 RO86382B1 RO109196A RO10919682A RO86382B1 RO 86382 B1 RO86382 B1 RO 86382B1 RO 109196 A RO109196 A RO 109196A RO 10919682 A RO10919682 A RO 10919682A RO 86382 B1 RO86382 B1 RO 86382B1
- Authority
- RO
- Romania
- Prior art keywords
- heptamethylvinylcyclotetrasyloxanate
- preparing
- temperature
- hydrolyzate
- methylvinylcyclorosilane
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title 1
- 239000005046 Chlorosilane Substances 0.000 abstract 1
- KOPOQZFJUQMUML-UHFFFAOYSA-N chlorosilane Chemical compound Cl[SiH3] KOPOQZFJUQMUML-UHFFFAOYSA-N 0.000 abstract 1
- 238000005336 cracking Methods 0.000 abstract 1
- LIKFHECYJZWXFJ-UHFFFAOYSA-N dimethyldichlorosilane Chemical compound C[Si](C)(Cl)Cl LIKFHECYJZWXFJ-UHFFFAOYSA-N 0.000 abstract 1
- 230000007062 hydrolysis Effects 0.000 abstract 1
- 238000006460 hydrolysis reaction Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
Abstract
Procedeul pentru obtinerea heptametiviniciclotetrasil oxanului, conform inventiei consta în hidroliza unui amestec de dimetildiclorsilan si metilvinildiclorsilan si metilvinildiclorsilan luati în raport molar în volum clorsilan apa de 1: 1,5 si temperatura de 0....20 degree C, de preferinta 15....17 degree C, dupa care care hidrolizatul rezultat se supune cracarii cataloce la temperatura de circa 160 degree C si presiune redusa de 10...15 mm Hg în prezenta de KOH în proportie de 2% în greutate fata de hidrolizat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO109196A RO86382B1 (ro) | 1982-12-02 | 1982-12-02 | Procedeu pentru obtinerea heptametilvinilciclotetrasiloxanului |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO109196A RO86382B1 (ro) | 1982-12-02 | 1982-12-02 | Procedeu pentru obtinerea heptametilvinilciclotetrasiloxanului |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO86382A2 RO86382A2 (ro) | 1985-02-25 |
| RO86382B1 true RO86382B1 (ro) | 1985-03-01 |
Family
ID=20112297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO109196A RO86382B1 (ro) | 1982-12-02 | 1982-12-02 | Procedeu pentru obtinerea heptametilvinilciclotetrasiloxanului |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO86382B1 (ro) |
-
1982
- 1982-12-02 RO RO109196A patent/RO86382B1/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO86382A2 (ro) | 1985-02-25 |
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