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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 acila

Info

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
Application number
BR8204021A
Other languages
English (en)
Inventor
John Leopold Speier
Original Assignee
Dow Corning
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dow Corning filed Critical Dow Corning
Publication of BR8204021A publication Critical patent/BR8204021A/pt

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F7/00Compounds containing elements of Groups 4 or 14 of the Periodic Table
    • C07F7/02Silicon compounds
    • C07F7/21Cyclic compounds having at least one ring containing silicon, but no carbon in the ring
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00Preparation of halogenated hydrocarbons
    • C07C17/093Preparation of halogenated hydrocarbons by replacement by halogens
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/50Improvements relating to the production of bulk chemicals
    • Y02P20/582Recycling of unreacted starting or intermediate materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BR8204021A 1981-07-10 1982-07-09 Processo para preparar uma ciclotetrassiloxana e um cloreto alifatico e/ou cloreto de acila BR8204021A (pt)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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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