DE69915987D1 - Verfahren zur Wiedergewinnung von Siliconverbindungen - Google Patents
Verfahren zur Wiedergewinnung von SiliconverbindungenInfo
- Publication number
- DE69915987D1 DE69915987D1 DE69915987T DE69915987T DE69915987D1 DE 69915987 D1 DE69915987 D1 DE 69915987D1 DE 69915987 T DE69915987 T DE 69915987T DE 69915987 T DE69915987 T DE 69915987T DE 69915987 D1 DE69915987 D1 DE 69915987D1
- Authority
- DE
- Germany
- Prior art keywords
- silicone
- recovery
- compound
- silicone compounds
- decomposed
- 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
Links
- 229920001296 polysiloxane Polymers 0.000 title abstract 8
- 150000001875 compounds Chemical class 0.000 title abstract 5
- 238000000034 method Methods 0.000 title abstract 3
- 238000011084 recovery Methods 0.000 title 1
- 239000000178 monomer Substances 0.000 abstract 2
- 125000005910 alkyl carbonate group Chemical group 0.000 abstract 1
- 239000006227 byproduct Substances 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 abstract 1
- 238000004064 recycling Methods 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
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
- C08J11/22—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 by treatment with organic oxygen-containing compounds
-
- 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
- C07F7/089—Treatments not covered by a preceding group
-
- 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
- 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
- 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)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Silicon Polymers (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP34683298A JP2000169484A (ja) | 1998-12-07 | 1998-12-07 | シリコーン化合物の再資源化方法 |
JP34683298 | 1998-12-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69915987D1 true DE69915987D1 (de) | 2004-05-06 |
DE69915987T2 DE69915987T2 (de) | 2005-01-05 |
Family
ID=18386118
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1999615987 Expired - Lifetime DE69915987T2 (de) | 1998-12-07 | 1999-12-07 | Verfahren zum Recyclen von Silikonverbindungen |
Country Status (6)
Country | Link |
---|---|
US (1) | US6172253B1 (de) |
EP (1) | EP1008621B1 (de) |
JP (1) | JP2000169484A (de) |
AT (1) | ATE263204T1 (de) |
DE (1) | DE69915987T2 (de) |
NO (1) | NO996014L (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100483929B1 (ko) * | 2001-11-10 | 2005-04-15 | 학교법인 한마학원 | 규소계 산업 폐기물을 내화물 분말로 제조하는 방법 |
WO2008042885A2 (en) * | 2006-10-02 | 2008-04-10 | Dow Corning Corporation | Integrated collection, analysis, and recycling method |
US8344036B2 (en) * | 2008-04-03 | 2013-01-01 | Heritage Environmental Services, Llc | Method of processing silicone wastes |
JP5146140B2 (ja) * | 2008-06-20 | 2013-02-20 | 日立電線株式会社 | 有機化合物の分解方法 |
WO2020196344A1 (ja) * | 2019-03-22 | 2020-10-01 | 三菱瓦斯化学株式会社 | シラン化合物の製造方法 |
EP3744774B1 (de) | 2019-05-28 | 2021-09-01 | Evonik Operations GmbH | Verfahren zum recycling von silikonen |
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 |
CN111234309A (zh) * | 2020-03-24 | 2020-06-05 | 广东省稀有金属研究所 | 一种废旧硅橡胶催化裂解回收环硅氧烷单体的方法 |
US11732092B2 (en) * | 2020-10-19 | 2023-08-22 | Evonik Operations Gmbh | Upcycling process for processing silicone wastes |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5783609A (en) * | 1993-12-28 | 1998-07-21 | Tama Chemicals Co., Ltd. | Process for recovering organoalkoxysilane from polyorganosiloxane |
JP3612369B2 (ja) | 1995-09-08 | 2005-01-19 | 株式会社カネカ | シラン化合物の精製方法 |
JPH09176364A (ja) * | 1995-12-22 | 1997-07-08 | Kanegafuchi Chem Ind Co Ltd | シリコーン化合物のリサイクル方法 |
IT1282365B1 (it) * | 1996-01-19 | 1998-03-20 | Enichem Spa | Procedimento per l'alchilazione delle innidi |
-
1998
- 1998-12-07 JP JP34683298A patent/JP2000169484A/ja active Pending
-
1999
- 1999-12-07 EP EP19990124418 patent/EP1008621B1/de not_active Expired - Lifetime
- 1999-12-07 NO NO996014A patent/NO996014L/no not_active Application Discontinuation
- 1999-12-07 AT AT99124418T patent/ATE263204T1/de not_active IP Right Cessation
- 1999-12-07 US US09/456,919 patent/US6172253B1/en not_active Expired - Lifetime
- 1999-12-07 DE DE1999615987 patent/DE69915987T2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US6172253B1 (en) | 2001-01-09 |
EP1008621A3 (de) | 2001-04-04 |
NO996014D0 (no) | 1999-12-07 |
EP1008621B1 (de) | 2004-03-31 |
EP1008621A2 (de) | 2000-06-14 |
DE69915987T2 (de) | 2005-01-05 |
JP2000169484A (ja) | 2000-06-20 |
NO996014L (no) | 2000-06-08 |
ATE263204T1 (de) | 2004-04-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |