BR8204021A - Processo para preparar uma ciclotetrassiloxana e um cloreto alifatico e/ou cloreto de acila - Google Patents
Processo para preparar uma ciclotetrassiloxana e um cloreto alifatico e/ou cloreto de acilaInfo
- Publication number
- BR8204021A BR8204021A BR8204021A BR8204021A BR8204021A BR 8204021 A BR8204021 A BR 8204021A BR 8204021 A BR8204021 A BR 8204021A BR 8204021 A BR8204021 A BR 8204021A BR 8204021 A BR8204021 A BR 8204021A
- Authority
- BR
- Brazil
- Prior art keywords
- chloride
- cyclotetrassiloxan
- prepare
- aliphatic
- acyl
- Prior art date
Links
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 title 1
- 150000001263 acyl chlorides Chemical class 0.000 title 1
Classifications
-
- 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
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/093—Preparation of halogenated hydrocarbons by replacement by halogens
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/582—Recycling of unreacted starting or intermediate materials
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/282,289 US4329483A (en) | 1981-07-10 | 1981-07-10 | Preparation of cyclotetrasiloxanes aliphatic chlorides and acyl chlorides |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8204021A true BR8204021A (pt) | 1983-07-05 |
Family
ID=23080833
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8204021A BR8204021A (pt) | 1981-07-10 | 1982-07-09 | Processo para preparar uma ciclotetrassiloxana e um cloreto alifatico e/ou cloreto de acila |
Country Status (7)
Country | Link |
---|---|
US (1) | US4329483A (pt) |
JP (1) | JPS5818325A (pt) |
BE (1) | BE893797A (pt) |
BR (1) | BR8204021A (pt) |
DE (1) | DE3225460A1 (pt) |
GB (1) | GB2101145A (pt) |
NL (1) | NL8202759A (pt) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4788313A (en) * | 1983-12-23 | 1988-11-29 | Dow Corning Corporation | Silalactones and methods for their preparation and use |
US4604478A (en) * | 1985-05-17 | 1986-08-05 | Dow Corning Corporation | Method for silalactone preparation and use |
US5068383A (en) * | 1990-11-09 | 1991-11-26 | Dow Corning Corporation | Catalyzed redistribution of polyorganosiloxanes |
JP2565024B2 (ja) * | 1991-07-18 | 1996-12-18 | 住友金属工業株式会社 | 半導体治具用炭化珪素粉末の製造方法 |
US5241097A (en) * | 1992-12-21 | 1993-08-31 | Allied-Signal Inc. | Process for the preparation of cyclic siloxane |
CN101160343A (zh) * | 2005-05-16 | 2008-04-09 | 陶氏康宁公司 | 再分布聚有机基硅氧烷的方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2891980A (en) * | 1954-05-11 | 1959-06-23 | Gen Electric | Acetoxymethylheptamethylcyclotetrasiloxane and oils prepared therefrom |
BE789272A (fr) * | 1971-09-29 | 1973-03-26 | Wacker Chemie Gmbh | Procede de preparation d'organosiloxanes |
DE2521742C3 (de) * | 1975-05-15 | 1978-12-21 | Wacker-Chemie Gmbh, 8000 Muenchen | Verfahren zur Herstellung von Organosiloxanen |
US4108882A (en) * | 1977-10-27 | 1978-08-22 | Dow Corning Corporation | Method of preparing methylsiloxanes and methylchloride |
JPS54117491A (en) * | 1978-03-06 | 1979-09-12 | Asahi Chem Ind Co Ltd | Preparation of octamethyl-cyclotetrasiloxane |
-
1981
- 1981-07-10 US US06/282,289 patent/US4329483A/en not_active Expired - Lifetime
-
1982
- 1982-05-21 GB GB08214838A patent/GB2101145A/en not_active Withdrawn
- 1982-07-07 DE DE19823225460 patent/DE3225460A1/de not_active Withdrawn
- 1982-07-08 NL NL8202759A patent/NL8202759A/nl not_active Application Discontinuation
- 1982-07-08 BE BE0/208555A patent/BE893797A/fr not_active IP Right Cessation
- 1982-07-09 BR BR8204021A patent/BR8204021A/pt unknown
- 1982-07-09 JP JP57119665A patent/JPS5818325A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
NL8202759A (nl) | 1983-02-01 |
GB2101145A (en) | 1983-01-12 |
JPS5818325A (ja) | 1983-02-02 |
BE893797A (fr) | 1983-01-10 |
DE3225460A1 (de) | 1983-02-10 |
US4329483A (en) | 1982-05-11 |
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