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FR1364855A - Process for recovering polyamines from the reaction products resulting from the hydrolysis of polyisocyanates by superheated steam - Google Patents

Process for recovering polyamines from the reaction products resulting from the hydrolysis of polyisocyanates by superheated steam

Info

Publication number
FR1364855A
FR1364855A FR937892A FR937892A FR1364855A FR 1364855 A FR1364855 A FR 1364855A FR 937892 A FR937892 A FR 937892A FR 937892 A FR937892 A FR 937892A FR 1364855 A FR1364855 A FR 1364855A
Authority
FR
France
Prior art keywords
polyisocyanates
polyamines
recovering
hydrolysis
reaction products
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
FR937892A
Other languages
French (fr)
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Priority to FR937892A priority Critical patent/FR1364855A/en
Application granted granted Critical
Publication of FR1364855A publication Critical patent/FR1364855A/en
Expired 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
    • C08J11/14—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
    • C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • 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)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
FR937892A 1963-06-12 1963-06-12 Process for recovering polyamines from the reaction products resulting from the hydrolysis of polyisocyanates by superheated steam Expired FR1364855A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR937892A FR1364855A (en) 1963-06-12 1963-06-12 Process for recovering polyamines from the reaction products resulting from the hydrolysis of polyisocyanates by superheated steam

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR937892A FR1364855A (en) 1963-06-12 1963-06-12 Process for recovering polyamines from the reaction products resulting from the hydrolysis of polyisocyanates by superheated steam

Publications (1)

Publication Number Publication Date
FR1364855A true FR1364855A (en) 1964-06-26

Family

ID=8805911

Family Applications (1)

Application Number Title Priority Date Filing Date
FR937892A Expired FR1364855A (en) 1963-06-12 1963-06-12 Process for recovering polyamines from the reaction products resulting from the hydrolysis of polyisocyanates by superheated steam

Country Status (1)

Country Link
FR (1) FR1364855A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007007908A3 (en) * 2005-07-12 2007-06-28 Mitsui Chemicals Polyurethanes Decomposing system for polyisocyanate residues, and start-up method for the same
US8519190B2 (en) 2005-07-12 2013-08-27 Mitsui Chemicals, Inc. Concentrating method, treating method, concentrating system and treating system for polyisocyanate residues

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007007908A3 (en) * 2005-07-12 2007-06-28 Mitsui Chemicals Polyurethanes Decomposing system for polyisocyanate residues, and start-up method for the same
US7875253B2 (en) 2005-07-12 2011-01-25 Mitsui Chemicals, Inc. Decomposing system for polyisocyanate residues, and start-up method for the same
CN101223222B (en) * 2005-07-12 2011-05-18 三井化学株式会社 Decomposition system for polyisocyanate residues and method for starting the same
US8282889B2 (en) 2005-07-12 2012-10-09 Mitsui Chemicals, Inc. Decomposing system for polyisocyanate residues, and start-up method for the same
US8519190B2 (en) 2005-07-12 2013-08-27 Mitsui Chemicals, Inc. Concentrating method, treating method, concentrating system and treating system for polyisocyanate residues

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