GB1384555A - Method of degrading rubber to produce useful materials - Google Patents

Method of degrading rubber to produce useful materials

Info

Publication number
GB1384555A
GB1384555A GB5898871A GB5898871A GB1384555A GB 1384555 A GB1384555 A GB 1384555A GB 5898871 A GB5898871 A GB 5898871A GB 5898871 A GB5898871 A GB 5898871A GB 1384555 A GB1384555 A GB 1384555A
Authority
GB
United Kingdom
Prior art keywords
rubber
gaseous phase
useful materials
produce useful
degrading
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
Application number
GB5898871A
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.)
Coal Industry Patents Ltd
Original Assignee
Coal Industry Patents 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 Coal Industry Patents Ltd filed Critical Coal Industry Patents Ltd
Priority to GB5898871A priority Critical patent/GB1384555A/en
Publication of GB1384555A publication Critical patent/GB1384555A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/02—Separating plastics from other materials
    • 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
    • C08J11/14—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 steam or water
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/02—Separating plastics from other materials
    • B29B2017/0213—Specific separating techniques
    • B29B2017/0293—Dissolving the materials in gases or liquids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2707/00—Use of elements other than metals for preformed parts, e.g. for inserts
    • B29K2707/04—Carbon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2030/00—Pneumatic or solid tyres or parts thereof
    • 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
    • C08J2321/00—Characterised by the use of unspecified rubbers
    • 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)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Sustainable Development (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)

Abstract

1384555 Carbon recovery COAL INDUSTRY (PATENTS) Ltd 1 Dec 1972 [20 Dec 1971] 58988/71 Heading C1A [Also in Division C3] The reinforcing carbon black contained in rubber products, e.g. tyres, is recovered by a process in which the rubber is contacted with a solvent selected from water and organic solvents having a critical temperature of 150‹ to 450‹ C., which solvent is in the gaseous phase, at a temperature above the critical temperature thereof, thereby degrading the rubber and dissolving at least part of the degradation products thereof in the gaseous phase and removing the gaseous phase from the solid, carbon-containing residue of the rubber. At least part of the degradation products of the rubber dissolved in the gaseous phase are condensed therefrom.
GB5898871A 1971-12-20 1971-12-20 Method of degrading rubber to produce useful materials Expired GB1384555A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB5898871A GB1384555A (en) 1971-12-20 1971-12-20 Method of degrading rubber to produce useful materials

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5898871A GB1384555A (en) 1971-12-20 1971-12-20 Method of degrading rubber to produce useful materials

Publications (1)

Publication Number Publication Date
GB1384555A true GB1384555A (en) 1975-02-19

Family

ID=10482832

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5898871A Expired GB1384555A (en) 1971-12-20 1971-12-20 Method of degrading rubber to produce useful materials

Country Status (1)

Country Link
GB (1) GB1384555A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2387261A1 (en) * 1977-04-12 1978-11-10 Dobozy John METHOD AND INSTALLATION FOR RECOVERING AN ELASTOMERIC MATERIAL CONTAINED IN WASTE
EP0054176A2 (en) * 1980-12-08 1982-06-23 Taurus Gumiipari Vállalat Method to recover parts of used tyres
DE3103153A1 (en) * 1979-03-06 1982-08-26 Bruss Ti Kirova Process for the preparation of filler suspensions for rubber mixtures
WO1992014797A1 (en) * 1991-02-22 1992-09-03 Nl Industries, Inc. Improved methods for processing battery waste and other lead-contaminated materials
US5418256A (en) * 1992-01-24 1995-05-23 University Of South Alabama Method of reclaiming scrap vulcanized rubber using supercritical fluids
EP1038909A1 (en) * 1999-03-08 2000-09-27 Mir Davood Bahman Mathod for the recycling of rubber
WO2004094513A1 (en) * 2003-04-22 2004-11-04 Harrison Brian H Rubber reduction
CN103626797A (en) * 2012-08-28 2014-03-12 杨晓林 Steam cracking recovery method of silicone rubber

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2387261A1 (en) * 1977-04-12 1978-11-10 Dobozy John METHOD AND INSTALLATION FOR RECOVERING AN ELASTOMERIC MATERIAL CONTAINED IN WASTE
DE3103153A1 (en) * 1979-03-06 1982-08-26 Bruss Ti Kirova Process for the preparation of filler suspensions for rubber mixtures
EP0054176A2 (en) * 1980-12-08 1982-06-23 Taurus Gumiipari Vállalat Method to recover parts of used tyres
EP0054176A3 (en) * 1980-12-08 1983-03-23 Taurus Gumiipari Vállalat Method to recover parts of used tyres
WO1992014797A1 (en) * 1991-02-22 1992-09-03 Nl Industries, Inc. Improved methods for processing battery waste and other lead-contaminated materials
US5418256A (en) * 1992-01-24 1995-05-23 University Of South Alabama Method of reclaiming scrap vulcanized rubber using supercritical fluids
EP1038909A1 (en) * 1999-03-08 2000-09-27 Mir Davood Bahman Mathod for the recycling of rubber
WO2004094513A1 (en) * 2003-04-22 2004-11-04 Harrison Brian H Rubber reduction
US7166658B2 (en) 2003-04-22 2007-01-23 Sorbecon Consultants Inc. Rubber reduction
CN100375758C (en) * 2003-04-22 2008-03-19 B·H·哈里森 Rubber reduction
CN103626797A (en) * 2012-08-28 2014-03-12 杨晓林 Steam cracking recovery method of silicone rubber

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees