DE1618802B1 - Verfahren zur Herstellung von 1,3,5,7-Tetramethyl-1,3,5,7-tetraphenylcyclotetrasiloxan - Google Patents

Verfahren zur Herstellung von 1,3,5,7-Tetramethyl-1,3,5,7-tetraphenylcyclotetrasiloxan

Info

Publication number
DE1618802B1
DE1618802B1 DE1967K0045061 DEK0045061A DE1618802B1 DE 1618802 B1 DE1618802 B1 DE 1618802B1 DE 1967K0045061 DE1967K0045061 DE 1967K0045061 DE K0045061 A DEK0045061 A DE K0045061A DE 1618802 B1 DE1618802 B1 DE 1618802B1
Authority
DE
Germany
Prior art keywords
depolymerization
tetramethyl
tetramer
carbonate
hydrolysis
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.)
Withdrawn
Application number
DE1967K0045061
Other languages
German (de)
English (en)
Inventor
Paul Alfred Eugene Guinet
Robert Raphael Puthet
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rhone Poulenc SA
Original Assignee
Rhone Poulenc SA
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 Rhone Poulenc SA filed Critical Rhone Poulenc SA
Publication of DE1618802B1 publication Critical patent/DE1618802B1/de
Withdrawn legal-status Critical Current

Links

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Silicon Polymers (AREA)
DE1967K0045061 1966-01-17 1967-01-17 Verfahren zur Herstellung von 1,3,5,7-Tetramethyl-1,3,5,7-tetraphenylcyclotetrasiloxan Withdrawn DE1618802B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR46177A FR1471200A (fr) 1966-01-17 1966-01-17 Procédé de préparation du tétraméthyl-1, 3, 5, 7 tétraphényl-1, 3, 5, 7 cyclotétrasiloxane

Publications (1)

Publication Number Publication Date
DE1618802B1 true DE1618802B1 (de) 1971-02-25

Family

ID=8598916

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1967K0045061 Withdrawn DE1618802B1 (de) 1966-01-17 1967-01-17 Verfahren zur Herstellung von 1,3,5,7-Tetramethyl-1,3,5,7-tetraphenylcyclotetrasiloxan

Country Status (5)

Country Link
US (1) US3484469A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE1618802B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR1471200A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1114386A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (2) NL6700310A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2733988A1 (fr) * 1995-05-11 1996-11-15 Rhone Poulenc Chimie Procede de fabrication de cyclosiloxanes par depolymerisation de polysiloxanes

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5250791B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1972-12-30 1977-12-27
DE2536010C3 (de) * 1975-08-13 1981-09-10 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von Octaphenylcyclotetrasiloxan
US4315870A (en) * 1979-01-24 1982-02-16 Rohm And Haas Company Phosphorodiamidothioates
US4764631A (en) * 1988-01-15 1988-08-16 Dow Corning Corporation Preparation of cyclopolydiorganosiloxanes via vapor phase rearrangement
US5739370A (en) * 1997-04-02 1998-04-14 General Electric Company Process the production of octaphenylcyclotetrasiloxane
WO1998056795A1 (fr) * 1997-06-11 1998-12-17 Kaneka Corporation Procede de preparation d'oligosiloxanes cycliques
US6037486A (en) * 1997-12-08 2000-03-14 General Electric Company Cracking of fluorosilicones to produce 1,3, 5-tris (3,3,3-trifluoropropyl)-1,3,5-trimethylcyclotrisiloxane
CN101125860B (zh) * 2007-06-11 2011-05-11 杭州师范大学 一种甲基苯基环硅氧烷的制备方法
CN101230073B (zh) * 2008-01-14 2011-12-28 杭州师范大学 一种制备含苯基混合环硅氧烷的方法
CN111499868B (zh) * 2020-04-10 2022-07-15 上海应用技术大学 一种甲基苯基混合环体的制备方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2849473A (en) * 1955-10-31 1958-08-26 Union Carbide Corp Ethylsiloxane bis (dimethyl siloxane) cyclic trimer
US2979519A (en) * 1956-06-27 1961-04-11 Dow Corning New cyclotrisiloxanes
US3337497A (en) * 1966-04-11 1967-08-22 Gen Electric Ordered organopolysiloxanes

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2733988A1 (fr) * 1995-05-11 1996-11-15 Rhone Poulenc Chimie Procede de fabrication de cyclosiloxanes par depolymerisation de polysiloxanes

Also Published As

Publication number Publication date
US3484469A (en) 1969-12-16
FR1471200A (fr) 1967-03-03
GB1114386A (en) 1968-05-22
NL129878C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL6700310A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1967-07-18

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Legal Events

Date Code Title Description
E77 Valid patent as to the heymanns-index 1977
EHJ Ceased/non-payment of the annual fee