DE69432567T2 - Verfahren zur zurückgewinnung von organoalkoxysilan aus polyorganosiloxan - Google Patents

Verfahren zur zurückgewinnung von organoalkoxysilan aus polyorganosiloxan

Info

Publication number
DE69432567T2
DE69432567T2 DE1994632567 DE69432567T DE69432567T2 DE 69432567 T2 DE69432567 T2 DE 69432567T2 DE 1994632567 DE1994632567 DE 1994632567 DE 69432567 T DE69432567 T DE 69432567T DE 69432567 T2 DE69432567 T2 DE 69432567T2
Authority
DE
Germany
Prior art keywords
organoalkoxysilane
polyorganosiloxane
recovery
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.)
Expired - Lifetime
Application number
DE1994632567
Other languages
English (en)
Other versions
DE69432567D1 (de
Inventor
Tsurahide Cho
Yoshiro Ohta
Toshitsura Cho
Tohru Yamashita
Nobuaki Ohkawa
Makoto Nishida
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.)
Tama Chemicals Co Ltd
Momentive Performance Materials Japan LLC
Original Assignee
Tama Chemicals Co Ltd
GE Toshiba Silicones Co Ltd
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 Tama Chemicals Co Ltd, GE Toshiba Silicones Co Ltd filed Critical Tama Chemicals Co Ltd
Publication of DE69432567D1 publication Critical patent/DE69432567D1/de
Application granted granted Critical
Publication of DE69432567T2 publication Critical patent/DE69432567T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J11/00—Recovery or working-up of waste materials
    • C08J11/04—Recovery or working-up of waste materials of polymers
    • C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
    • C08J11/18—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material
    • 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
    • C08G77/38—Polysiloxanes modified by chemical after-treatment
    • 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
    • C07F7/08—Compounds having one or more C—Si linkages
    • C07F7/0834—Compounds having one or more O-Si linkage
    • C07F7/0838—Compounds with one or more Si-O-Si sequences
    • C07F7/0872—Preparation and treatment thereof
    • C07F7/0876—Reactions involving the formation of bonds to a Si atom of a Si-O-Si sequence other than a bond of the Si-O-Si linkage
    • C07F7/0878—Si-C bond
    • 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
    • C07F7/08—Compounds having one or more C—Si linkages
    • C07F7/18—Compounds having one or more C—Si linkages as well as one or more C—O—Si linkages
    • 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
    • C07F7/08—Compounds having one or more C—Si linkages
    • C07F7/18—Compounds having one or more C—Si linkages as well as one or more C—O—Si linkages
    • C07F7/1804—Compounds having Si-O-C linkages
    • C07F7/1872—Preparation; Treatments not provided for in C07F7/20
    • C07F7/1876—Preparation; Treatments not provided for in C07F7/20 by reactions involving the formation of Si-C linkages
    • 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
    • C07F7/08—Compounds having one or more C—Si linkages
    • C07F7/20—Purification, separation
    • 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
    • C08G77/06—Preparatory processes
    • 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
    • C08G77/06—Preparatory processes
    • C08G77/10—Equilibration processes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2383/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen, or carbon only; Derivatives of such polymers
    • C08J2383/04—Polysiloxanes
    • 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
    • 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
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • General Chemical & Material Sciences (AREA)
  • Silicon Polymers (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
DE1994632567 1993-12-28 1994-12-28 Verfahren zur zurückgewinnung von organoalkoxysilan aus polyorganosiloxan Expired - Lifetime DE69432567T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP33408493 1993-12-28
PCT/JP1994/002281 WO1995018174A1 (fr) 1993-12-28 1994-12-28 Procede de recuperation d'organoalcoxysilane a partir de polyorganosiloxane

Publications (2)

Publication Number Publication Date
DE69432567D1 DE69432567D1 (de) 2003-05-28
DE69432567T2 true DE69432567T2 (de) 2003-12-11

Family

ID=18273349

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1994632567 Expired - Lifetime DE69432567T2 (de) 1993-12-28 1994-12-28 Verfahren zur zurückgewinnung von organoalkoxysilan aus polyorganosiloxan

Country Status (9)

Country Link
US (1) US5783609A (de)
EP (1) EP0739926B1 (de)
JP (1) JP3513540B2 (de)
KR (1) KR100247162B1 (de)
CN (2) CN1143862C (de)
CA (1) CA2180104A1 (de)
DE (1) DE69432567T2 (de)
TW (1) TW291488B (de)
WO (1) WO1995018174A1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100190752B1 (ko) * 1997-01-22 1999-06-01 한정련 폴리오르가노실록산 화합물의 분해 촉진제, 이 분해 촉진제에 의한 그 분해방법 및 분해 생성물의 회수방법
AU7673498A (en) * 1997-06-11 1998-12-30 Kaneka Corporation Process for preparing cyclic oligosiloxanes
JP2000169484A (ja) * 1998-12-07 2000-06-20 Yazaki Corp シリコーン化合物の再資源化方法
JP4542639B2 (ja) * 1999-02-22 2010-09-15 東レ・ダウコーニング株式会社 アルコキシシランとポリシロキサンの併産方法
WO2010055628A1 (ja) * 2008-11-13 2010-05-20 国立大学法人信州大学 ポリオルガノシロキサン組成物、該組成物の硬化体および該組成物の製造方法
WO2014186540A1 (en) * 2013-05-15 2014-11-20 Dow Corning Corporation Method of recovering nanoparticles from a silicone material
CN114729128B (zh) 2020-03-10 2024-03-22 瓦克化学股份公司 对来自传热应用的(m/d/t)-甲基聚硅氧烷混合物进行处理的方法
US20220348721A1 (en) * 2021-04-29 2022-11-03 Evonik Operations Gmbh Process for producing endcapped, liquid siloxanes from silicone wastes
CN114751930A (zh) * 2022-05-17 2022-07-15 山东博苑医药化学股份有限公司 一种从含三甲基硅甲醚和六甲基二硅氧烷的废溶剂中回收六甲基二硅氧烷的方法
KR102611580B1 (ko) * 2022-10-13 2023-12-07 한국화학연구원 폐 에어백 재활용 방법
CN115678016A (zh) * 2022-11-01 2023-02-03 江西贝特利新材料有限公司 一种利用苯基含氢硅油副产物合成甲基苯基乙烯基硅油的方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2392713A (en) * 1944-07-01 1946-01-08 Gen Electric Process of preparing dimethyl silicone elastomers
US3099671A (en) * 1955-12-19 1963-07-30 Gen Electric Preparation of organosilanes
SU404835A1 (ru) * 1971-06-07 1973-10-22 Способ получения органополисилоксанов
SU952895A1 (ru) * 1980-12-04 1982-08-23 Предприятие П/Я В-2502 Способ переработки отходов полидиметилсилоксанового каучука
JPS59179537A (ja) * 1983-03-29 1984-10-12 Shin Etsu Polymer Co Ltd シリコ−ンゴムスクラツプの再生方法
SU1509364A1 (ru) * 1987-07-22 1989-09-23 Предприятие П/Я В-2463 Способ получени гидрофобизатора
JP2597113B2 (ja) * 1987-11-19 1997-04-02 東芝シリコーン株式会社 アルコキシシランの製造方法
DE4126319A1 (de) * 1991-08-08 1993-02-11 Wacker Chemie Gmbh Verfahren zur pyrolyse von silikonkautschukvulkanisaten
DE4235877A1 (de) * 1992-10-23 1994-04-28 Wacker Chemie Gmbh Verfahren zur Herstellung von Methylpolysiloxanen
DE4300168A1 (de) * 1993-01-07 1994-07-14 Penn White Ltd Depolymerisierungsmittel und Depolymerisierungsverfahren für Silicone

Also Published As

Publication number Publication date
TW291488B (de) 1996-11-21
CN1060486C (zh) 2001-01-10
CA2180104A1 (en) 1995-07-06
US5783609A (en) 1998-07-21
CN1277967A (zh) 2000-12-27
CN1143862C (zh) 2004-03-31
KR100247162B1 (ko) 2000-03-15
WO1995018174A1 (fr) 1995-07-06
CN1139443A (zh) 1997-01-01
EP0739926A4 (de) 1997-07-16
JP3513540B2 (ja) 2004-03-31
DE69432567D1 (de) 2003-05-28
KR970700218A (ko) 1997-01-08
EP0739926A1 (de) 1996-10-30
EP0739926B1 (de) 2003-04-23

Similar Documents

Publication Publication Date Title
DE69618988T2 (de) Verfahren zur abtrennung und wiedergewinnung von komponenten aus teppichabfällen
DE69115495T2 (de) Verfahren zur entfernung von stickoxyden aus gasströmen
DE69721806D1 (de) Verfahren zur entfernung von sulfiden aus fluidströmen
DE69603255T2 (de) Verfahren zur modifizierung von oberflächen
DE59509451D1 (de) Verfahren zur kontinuierlichen reinigung von aus 6-aminocapronitril hergestelltem roh-caprolactam
DE59305971D1 (de) Verfahren zur entölung von rohlecithin
DE69521522T2 (de) Verfahren zur rückgewinnung von wasserfreiem chlorwasserstoff aus mischungen mit nichtkondensierbaren gasen
DE59706018D1 (de) Verfahren zur herstellung von caprolactam aus 6-aminocapronitril
ATA60992A (de) Verfahren zur herstellung von b-ginkgolid aus c-ginkgolid
DE69432567T2 (de) Verfahren zur zurückgewinnung von organoalkoxysilan aus polyorganosiloxan
DE69503644D1 (de) Verfahren zur herstellung von keramischen gegenständen aus bornitrid
DE68908041D1 (de) Verfahren zur wiedergewinnung des dihydroxyphenols aus polyesterabfall.
DE69520455D1 (de) Verfahren zur entfernung von ammoniak aus vergasungsgas
DE69809209D1 (de) Verfahren zur rückgewinnung von fluorwasserstoff
DE69311576T2 (de) Verfahren zur entfernung von schwefeldioxyd aus schwefeldioxyd enthaltenden gasströmen
DE69418320D1 (de) Verfahren zur rückgewinnung von fluorwasserstoff
DE59711833D1 (de) Verfahren zur herstellung von tetrahydrofuran aus dialkoxybutenen
DE69830722D1 (de) Verfahren zur rückgewinnung von ölen
DE912476T1 (de) Verfahren zur abtrennung von difluormethan
ATA139994A (de) Verfahren zur abtrennung von phosphaten aus abwässern
DE59603989D1 (de) Verfahren zur herstellung von aminen aus olefinen an bor-beta-zeolithen
DE59203759D1 (de) Verfahren zur Entfernung von H2S aus Gasen.
ATE199446T1 (de) Verfahren zur herstellung von dichtungsringen aus blähgraphit
DE69628797D1 (de) Verfahren zur verhinderung von harzablagerungen
DE69712950D1 (de) Verfahren zur adaptiven Filterung von Bohrlochdaten

Legal Events

Date Code Title Description
8364 No opposition during term of opposition