IE38048B1 - Process for the linearisation of polyurethanes with lactams and lactam addition compounds - Google Patents

Process for the linearisation of polyurethanes with lactams and lactam addition compounds

Info

Publication number
IE38048B1
IE38048B1 IE1326/73A IE132673A IE38048B1 IE 38048 B1 IE38048 B1 IE 38048B1 IE 1326/73 A IE1326/73 A IE 1326/73A IE 132673 A IE132673 A IE 132673A IE 38048 B1 IE38048 B1 IE 38048B1
Authority
IE
Ireland
Prior art keywords
lactam
polyurethanes
linearizing
agent
caprolactam
Prior art date
Application number
IE1326/73A
Other languages
English (en)
Other versions
IE38048L (en
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
Publication of IE38048L publication Critical patent/IE38048L/xx
Publication of IE38048B1 publication Critical patent/IE38048B1/xx

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
    • C08G18/83—Chemically modified polymers
    • C08G18/833—Chemically modified polymers by nitrogen containing compounds
    • 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
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/36—After-treatment
    • C08J9/40—Impregnation
    • 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)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Sustainable Development (AREA)
  • General Chemical & Material Sciences (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Polyamides (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Pyrrole Compounds (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Other In-Based Heterocyclic Compounds (AREA)
IE1326/73A 1972-08-05 1973-08-03 Process for the linearisation of polyurethanes with lactams and lactam addition compounds IE38048B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2238667A DE2238667C3 (de) 1972-08-05 1972-08-05 Verfahren zur Linearisierung von Polyurethanen mit Lactamen und/oder Lactamadditionsverbindungen

Publications (2)

Publication Number Publication Date
IE38048L IE38048L (en) 1974-02-05
IE38048B1 true IE38048B1 (en) 1977-12-07

Family

ID=5852798

Family Applications (1)

Application Number Title Priority Date Filing Date
IE1326/73A IE38048B1 (en) 1972-08-05 1973-08-03 Process for the linearisation of polyurethanes with lactams and lactam addition compounds

Country Status (10)

Country Link
JP (1) JPS569932B2 (xx)
BE (1) BE803214A (xx)
DE (1) DE2238667C3 (xx)
ES (1) ES417587A1 (xx)
FR (1) FR2194737B1 (xx)
GB (1) GB1423559A (xx)
IE (1) IE38048B1 (xx)
IT (1) IT996098B (xx)
LU (1) LU68154A1 (xx)
NL (1) NL7310719A (xx)

Also Published As

Publication number Publication date
DE2238667C3 (de) 1979-11-22
LU68154A1 (xx) 1973-10-15
GB1423559A (en) 1976-02-04
IT996098B (it) 1975-12-10
ES417587A1 (es) 1976-03-16
NL7310719A (xx) 1974-02-07
JPS4953694A (xx) 1974-05-24
FR2194737A1 (xx) 1974-03-01
BE803214A (fr) 1974-02-04
JPS569932B2 (xx) 1981-03-04
IE38048L (en) 1974-02-05
FR2194737B1 (xx) 1977-02-25
DE2238667B2 (de) 1979-04-05
DE2238667A1 (de) 1974-02-21

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