AU5859094A - Depolymerization agent and method of depolymerizing silicones - Google Patents

Depolymerization agent and method of depolymerizing silicones

Info

Publication number
AU5859094A
AU5859094A AU58590/94A AU5859094A AU5859094A AU 5859094 A AU5859094 A AU 5859094A AU 58590/94 A AU58590/94 A AU 58590/94A AU 5859094 A AU5859094 A AU 5859094A AU 5859094 A AU5859094 A AU 5859094A
Authority
AU
Australia
Prior art keywords
depolymerizing
silicones
depolymerization agent
depolymerization
agent
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.)
Abandoned
Application number
AU58590/94A
Inventor
Trevor David Wilford
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.)
PENN-WHITE Ltd
Original Assignee
PENN WHITE 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 PENN WHITE Ltd filed Critical PENN WHITE Ltd
Publication of AU5859094A publication Critical patent/AU5859094A/en
Abandoned 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
    • C08J11/28—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 compounds containing nitrogen, sulfur or phosphorus
    • 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)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
AU58590/94A 1993-01-07 1994-01-03 Depolymerization agent and method of depolymerizing silicones Abandoned AU5859094A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19934300168 DE4300168A1 (en) 1993-01-07 1993-01-07 Depolymerization agents and depolymerization processes for silicones
DE4300168 1993-01-07
PCT/EP1994/000003 WO1994016005A1 (en) 1993-01-07 1994-01-03 Depolymerization agent and method of depolymerizing silicones

Publications (1)

Publication Number Publication Date
AU5859094A true AU5859094A (en) 1994-08-15

Family

ID=6477790

Family Applications (1)

Application Number Title Priority Date Filing Date
AU58590/94A Abandoned AU5859094A (en) 1993-01-07 1994-01-03 Depolymerization agent and method of depolymerizing silicones

Country Status (4)

Country Link
EP (1) EP0678110A1 (en)
AU (1) AU5859094A (en)
DE (1) DE4300168A1 (en)
WO (1) WO1994016005A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100247162B1 (en) * 1993-12-28 2000-03-15 순뻬이 시미즈 Method of recovering organoalkoxysilane from polyorganosiloxane
US6001888A (en) * 1994-10-26 1999-12-14 Ge Bayer Siliconesgmbh & Co.Kg Activator for the depolymerization of polysiloxanes which are crosslinked, optionally contain fillers and/or are uncrosslinked
DE4438175A1 (en) 1994-10-26 1996-05-02 Bayer Ag Activator for the depolymerization of crosslinked, possibly filler-containing and / or uncrosslinked polysiloxanes
FR3140883A1 (en) * 2022-10-17 2024-04-19 Elkem Silicones France Sas Depolymerization of silicone polymers into organopolysiloxanes

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1068849B (en) * 1959-11-12 PYRO-CH1EMIE G.m.b.H., Rodenbach über Kaiserslautern Cleaning agent for windshields with silicone absorber
US2673843A (en) * 1951-05-17 1954-03-30 Connecticut Hard Rubber Co Liquefaction of silicone rubber gum and products thereof
DE1040722B (en) * 1956-06-02 1958-10-09 Bayer Ag Procedure for removing films containing silicone
US3706695A (en) * 1970-10-12 1972-12-19 Dow Corning Method of preparing a silicone emulsion and regenerating same and electrically conductive product
FR2406650A1 (en) * 1977-10-24 1979-05-18 Centre Nat Etd Spatiales PROCESS FOR PURIFYING SILICONE RESINS WITH A VIEW TO REDUCING THEIR WEIGHT LOSS UNDER PRESSURE VACUUM
DE3515077C1 (en) * 1985-04-26 1986-06-19 Hansa Textilchemie GmbH, 2806 Oyten Process for removing silicones on fibers, yarns or flat textile materials
SU1623995A1 (en) * 1988-06-03 1991-01-30 Предприятие П/Я В-2463 Method for processing organo-silicon waste
DE69126479T2 (en) * 1990-08-02 1997-09-25 Technical Processing Inc Method and composition to improve the processability of rubber and plastics
JPH04318075A (en) * 1991-04-16 1992-11-09 Kanto Chem Co Inc Solution for dissolving and removing cured material of siloxane resin
US5110972A (en) * 1991-07-18 1992-05-05 Tremco Incorporated Process for recycling silicone scrap and products relating thereto
DE4200238A1 (en) * 1992-01-08 1993-07-15 Hartmann Haarkosmetik Gmbh Removing silicone deposits from hair prior to dyeing or permanent waving - by applying a compsn. contg. di:propylene-glycol-mono:methyl-ether and a surfactant at acid pH and rinsing off with water

Also Published As

Publication number Publication date
EP0678110A1 (en) 1995-10-25
DE4300168A1 (en) 1994-07-14
WO1994016005A1 (en) 1994-07-21

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