CH362845A - Process for the production of foams using polyurethane foam waste - Google Patents

Process for the production of foams using polyurethane foam waste

Info

Publication number
CH362845A
CH362845A CH3029356A CH3029356A CH362845A CH 362845 A CH362845 A CH 362845A CH 3029356 A CH3029356 A CH 3029356A CH 3029356 A CH3029356 A CH 3029356A CH 362845 A CH362845 A CH 362845A
Authority
CH
Switzerland
Prior art keywords
foams
production
polyurethane foam
foam waste
waste
Prior art date
Application number
CH3029356A
Other languages
German (de)
Inventor
Koenig Walter Ing Dr
Original Assignee
Rudolph Koepp & Co Chem Fab Ag
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 Rudolph Koepp & Co Chem Fab Ag filed Critical Rudolph Koepp & Co Chem Fab Ag
Publication of CH362845A publication Critical patent/CH362845A/en

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
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2375/04—Polyurethanes
    • 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
CH3029356A 1955-03-17 1956-02-24 Process for the production of foams using polyurethane foam waste CH362845A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEK25207A DE962649C (en) 1955-03-17 1955-03-17 Process for the production of foams using polyurethane foam waste
DEK35030A DE1100273B (en) 1955-03-17 1958-06-07 Process for the production of foams using polyurethane foam waste

Publications (1)

Publication Number Publication Date
CH362845A true CH362845A (en) 1962-06-30

Family

ID=25982986

Family Applications (1)

Application Number Title Priority Date Filing Date
CH3029356A CH362845A (en) 1955-03-17 1956-02-24 Process for the production of foams using polyurethane foam waste

Country Status (5)

Country Link
CH (1) CH362845A (en)
DE (2) DE962649C (en)
FR (2) FR1142230A (en)
GB (1) GB805561A (en)
NL (1) NL93675C (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3123577A (en) * 1964-03-03 Method of liquefying cellular
DE962649C (en) * 1955-03-17 1957-04-25 Rudolph Koepp & Co Chem Fab A Process for the production of foams using polyurethane foam waste
DE1150802B (en) * 1959-07-31 1963-06-27 Metzeler Gummiwerke Ag Process for the production of breakdown products of isocyanate polyadducts which can be processed into polyurethane foams
US3117940A (en) * 1960-11-14 1964-01-14 Mobay Chemical Corp Method of dissolving polyurethanes
US3109824A (en) * 1960-11-14 1963-11-05 Mobay Chemical Corp Method of dissolving polyurethanes and polyureas using tall oil
DE1152253B (en) * 1961-05-08 1963-08-01 Phoenix Gummiwerke Ag Process for the production of molded bodies based on polyester urethanes using polyester urethane waste
DE1141784B (en) * 1961-06-12 1962-12-27 W Scheermesser & Co K G Dr Process for recycling polyester urethane foam waste
US3300417A (en) * 1963-07-02 1967-01-24 Mobay Chemical Corp Polyurethane plastics
US3406127A (en) * 1964-06-15 1968-10-15 Gulf Oil Corp Method for reclaiming scrap polymers
DE1229720B (en) * 1964-12-30 1966-12-01 Continental Gummi Werke Ag Process for the regeneration of waste crosslinked polyurethane elastomers
DE2238741A1 (en) * 1972-08-05 1974-02-07 Bayer Ag METHOD FOR LINEARIZATION OF CROSS-LINKED ISOCYANATE POLYADDITION PRODUCTS WITH POLYISOCYANATES
IT1109129B (en) * 1978-04-07 1985-12-16 Fiat Spa PROCEDURE FOR THE TREATMENT OF POLYURETHANE WASTE FOR THE PURPOSE OF THEIR REUSE
DE3033330A1 (en) 1980-09-04 1982-04-29 Bayer Ag, 5090 Leverkusen METHOD FOR THE PRODUCTION OF LIQUID MIXTURES OF COMPOUNDS CONTAINING ISOCYANATE GROUPS, AND THEIR USE AS A BUILDING COMPONENT IN THE PRODUCTION OF POLYURETHANE PLASTICS
GB2116572B (en) * 1982-03-05 1985-10-30 Kun Huang Chang High density flexible polyurethane foam
US5405885A (en) * 1992-04-22 1995-04-11 Basf Corporation Rigid polyurethane/polyisocyanate foams containing paraffinic based oils

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE868346C (en) * 1943-03-28 1953-02-23 Hydrierwerke A G Deutsche Plasticizing, elasticizing and softening agents
DE861926C (en) * 1946-05-02 1953-01-08 Rhodiaceta Process for the treatment of polyurethane waste
DE929507C (en) * 1951-07-26 1955-06-27 Bayer Ag Process for the production of foams
DE831772C (en) * 1952-11-18 1952-02-18 Bayer Ag Process for the production of high molecular weight crosslinked plastics
DE961573C (en) * 1954-11-16 1957-04-11 Bayer Ag Process for the production of foams from linear or branched polyethers or polythioethers and polyisocyanates containing hydroxyl groups
DE962649C (en) * 1955-03-17 1957-04-25 Rudolph Koepp & Co Chem Fab A Process for the production of foams using polyurethane foam waste
NL207312A (en) * 1955-06-27 1900-01-01
DE1014739B (en) * 1955-07-11 1957-08-29 Continental Gummi Werke Ag Process for the production of foams from waste crosslinked polyurethane foams

Also Published As

Publication number Publication date
DE1100273B (en) 1961-02-23
FR75831E (en) 1961-08-18
FR1142230A (en) 1957-09-16
GB805561A (en) 1958-12-10
NL93675C (en) 1959-10-15
DE962649C (en) 1957-04-25

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