ES417587A1 - Procedimiento para la eliminacion selectiva de grupos biu- ret alofanato uretonimina y uretdiona de resinas de poliure-tano. - Google Patents

Procedimiento para la eliminacion selectiva de grupos biu- ret alofanato uretonimina y uretdiona de resinas de poliure-tano.

Info

Publication number
ES417587A1
ES417587A1 ES417587A ES417587A ES417587A1 ES 417587 A1 ES417587 A1 ES 417587A1 ES 417587 A ES417587 A ES 417587A ES 417587 A ES417587 A ES 417587A ES 417587 A1 ES417587 A1 ES 417587A1
Authority
ES
Spain
Prior art keywords
lactam
lactams
compound
linearisation
polyurethanes
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
ES417587A
Other languages
English (en)
Spanish (es)
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
Publication of ES417587A1 publication Critical patent/ES417587A1/es
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
    • C08G18/83—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)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Sustainable Development (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Polyamides (AREA)
  • Pyrrole Compounds (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Other In-Based Heterocyclic Compounds (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
ES417587A 1972-08-05 1973-08-04 Procedimiento para la eliminacion selectiva de grupos biu- ret alofanato uretonimina y uretdiona de resinas de poliure-tano. Expired ES417587A1 (es)

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 (1)

Publication Number Publication Date
ES417587A1 true ES417587A1 (es) 1976-03-16

Family

ID=5852798

Family Applications (1)

Application Number Title Priority Date Filing Date
ES417587A Expired ES417587A1 (es) 1972-08-05 1973-08-04 Procedimiento para la eliminacion selectiva de grupos biu- ret alofanato uretonimina y uretdiona de resinas de poliure-tano.

Country Status (10)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2542022C2 (de) 1975-09-20 1982-10-14 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von aktivierten, zur Herstellung von Polyurethankunststoffen wiederverwendbaren Polyhydroxylverbindungen

Also Published As

Publication number Publication date
DE2238667B2 (de) 1979-04-05
IT996098B (it) 1975-12-10
BE803214A (fr) 1974-02-04
IE38048B1 (en) 1977-12-07
FR2194737A1 (enExample) 1974-03-01
JPS569932B2 (enExample) 1981-03-04
DE2238667C3 (de) 1979-11-22
FR2194737B1 (enExample) 1977-02-25
DE2238667A1 (de) 1974-02-21
NL7310719A (enExample) 1974-02-07
IE38048L (en) 1974-02-05
GB1423559A (en) 1976-02-04
JPS4953694A (enExample) 1974-05-24
LU68154A1 (enExample) 1973-10-15

Similar Documents

Publication Publication Date Title
ES444565A1 (es) Procedimiento para la obtencion de poliisocianatos con gru- pos isocianato bloqueados conteniendo grupos uretdiona.
YU40279B (en) Process for obtaining acyclic, alicyclic or aromatic n-substituted halo-2-pyrrolidinone
GB2058075B (en) Process for preparing 1a-hydroxyvitamin d compounds from 1a-hydroxy-3,5-cyclovitamin d compounds
PT67910B (en) Process for preparing 2-(2,2-diarylalquyl)-1-azabicyclo /2.2.2/-octane and related compounds
YU37111B (en) Process for preparing 1-(3,5-dihydroxyphenyl)-1-hydroxy-2-z1-methyl-2-(4-hydroxyphenyl)-ethylc-aminoethane
ES417587A1 (es) Procedimiento para la eliminacion selectiva de grupos biu- ret alofanato uretonimina y uretdiona de resinas de poliure-tano.
OA03019A (fr) Procédé de préparation du 2,2'(éthylènediimino)-di-1-butanol destrogyre.
JPS521392A (en) Regulating apparatus for preventing vehicle from lock
JPS52134699A (en) Process for producing granular oxymethylene polymer
YU209869A (en) Process for preparing novel 5-substituted 5,10-dihydro-11h-dibenzo(b,e) (1,4)-diazepin-11-ones
ZA732973B (en) Process for preparing 1-(5-alkyl-1,3,4-thiadiazol-2-yl)-1,3-diakyl ureas
PT67366A (en) Process for preparing an herbicide composition containing substituted 2,1,3-benzotyadiazine compounds
PT68042A (en) Process for preparing azacyclic compounds.
NL189256C (nl) Bis(cyclisch ureum), opslagstabiele samenstelling die na verhitting een polyurethaanhars vormt, alsmede een werkwijze ter bereiding van een polyurethaan.
PT66908B (en) Method for preparing 2,6-ditert.buthylphenol
YU269273A (en) Process for obtaining 2,10-dichloro-12-methyl-12h-dibenzo (d.g.)-(1,3)dioxocines
JPS5242596A (en) Process for preparing urethane prepolymer
HU179578B (en) Process for preparing n-methylated carbamide or 1,3-diazacycloalkanes
BE794760A (fr) Stabilisant cellulaire pour mousses en resine vinylique, mousses de vinyle contenant un tel stabilisant, et procede de preparation de ces mousses
ES382072A2 (es) Procedimiento para la preparacion de un prepolimero de po- liuretano.
YU33790B (en) Process for preparing 1-phenyl-2,3,4,5-tetrahydro-1h-1,5-benzodiazepine-2-ones
ES281394A1 (es) Un procedimiento para la preparación de píldoras de urea pobres en biuret
MW6173A1 (en) Process for recovering organic ammonium salts from aqueoussolutions
CH505100A (fr) Procédé de préparation du 5-azatricyclo(4.3.1.1 3,8)undécane
ES8206064A1 (es) Sistema electromecanico de extraccion para maquinas expende-doras de productos envasados