CA1023498A - Process for linearizing cross-linked isocyanate polyaddition products with polyisocyanates - Google Patents

Process for linearizing cross-linked isocyanate polyaddition products with polyisocyanates

Info

Publication number
CA1023498A
CA1023498A CA176,646A CA176646A CA1023498A CA 1023498 A CA1023498 A CA 1023498A CA 176646 A CA176646 A CA 176646A CA 1023498 A CA1023498 A CA 1023498A
Authority
CA
Canada
Prior art keywords
linearizing
polyisocyanates
cross
polyaddition products
isocyanate polyaddition
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
CA176,646A
Other languages
English (en)
Other versions
CA176646S (en
Inventor
Kuno Wagner
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.)
Bayer AG
Original Assignee
Bayer 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 Bayer AG filed Critical Bayer AG
Application granted granted Critical
Publication of CA1023498A publication Critical patent/CA1023498A/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
    • C08J11/18—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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08—Processes
    • C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
    • 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08—Processes
    • C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
    • C08G18/12—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CA176,646A 1972-08-05 1973-07-17 Process for linearizing cross-linked isocyanate polyaddition products with polyisocyanates Expired CA1023498A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2238741A DE2238741A1 (de) 1972-08-05 1972-08-05 Verfahren zur linearisierung vernetzter isocyanat-polyadditionsprodukte mit polyisocyanaten

Publications (1)

Publication Number Publication Date
CA1023498A true CA1023498A (en) 1977-12-27

Family

ID=5852848

Family Applications (1)

Application Number Title Priority Date Filing Date
CA176,646A Expired CA1023498A (en) 1972-08-05 1973-07-17 Process for linearizing cross-linked isocyanate polyaddition products with polyisocyanates

Country Status (11)

Country Link
JP (1) JPS4953693A (de)
BE (1) BE803215A (de)
CA (1) CA1023498A (de)
DE (1) DE2238741A1 (de)
ES (1) ES417586A1 (de)
FR (1) FR2194738B1 (de)
GB (1) GB1422884A (de)
IE (1) IE37971B1 (de)
IT (1) IT990129B (de)
LU (1) LU68145A1 (de)
NL (1) NL7310718A (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10211311A1 (de) * 2002-03-14 2003-08-07 Wacker Chemie Gmbh Verfahren zur Herstellung von N-[Triorganylsilylmethyl]-substituierten 1,2-Diaminoethanen
DE10237271A1 (de) * 2002-08-14 2004-03-04 Consortium für elektrochemische Industrie GmbH Polymermassen auf Basis alkoxysilanterminierter Polymere mit regulierbarer Härtungsgeschwindigkeit
DE10352907A1 (de) 2002-11-15 2004-08-05 Henkel Kgaa Silylgruppen enthaltende Präpolymere, deren Herstellung und Verwendung in Montageschäumen
DE102007032342A1 (de) 2007-07-11 2009-01-15 Bayer Materialscience Ag Verfahren zur Herstellung von Polyurethan-Schäumen auf Basis von speziellen alkoxysilanfunktionellen Polymeren
US20220213346A1 (en) * 2019-05-06 2022-07-07 Basf Coatings Gmbh Silane-based coating composition

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE962649C (de) * 1955-03-17 1957-04-25 Rudolph Koepp & Co Chem Fab A Verfahren zur Herstellung von Schaumstoffen unter Verwendung von Polyurethanschaumabfaellen

Also Published As

Publication number Publication date
FR2194738A1 (de) 1974-03-01
LU68145A1 (de) 1973-10-16
GB1422884A (en) 1976-01-28
FR2194738B1 (de) 1979-04-20
NL7310718A (de) 1974-02-07
IE37971B1 (en) 1977-11-23
BE803215A (fr) 1974-02-04
IE37971L (en) 1974-02-05
IT990129B (it) 1975-06-20
ES417586A1 (es) 1976-03-16
JPS4953693A (de) 1974-05-24
DE2238741A1 (de) 1974-02-07

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