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BE787395A - Procede de preparation de polyisocyanates - Google Patents

Procede de preparation de polyisocyanates

Info

Publication number
BE787395A
BE787395A BE787395DA BE787395A BE 787395 A BE787395 A BE 787395A BE 787395D A BE787395D A BE 787395DA BE 787395 A BE787395 A BE 787395A
Authority
BE
Belgium
Prior art keywords
preparation process
polyisocyanates preparation
polyisocyanates
preparation
Prior art date
Application number
Other languages
English (en)
French (fr)
Inventor
P Tai-Yuen Kan
M Cenker
Original Assignee
Basf Wyandotte Corp
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.)
Publication date
Publication of BE787395A publication Critical patent/BE787395A/xx

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72Polyisocyanates or polyisothiocyanates
    • C08G18/77Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
    • C08G18/78Nitrogen
    • C08G18/79Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates
    • C08G18/797Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates containing carbodiimide and/or uretone-imine groups
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C267/00Carbodiimides
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08Processes
    • C08G18/10Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S521/00Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S521/901Cellular polymer containing a carbodiimide structure

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE787395D 1971-08-13 Procede de preparation de polyisocyanates BE787395A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US17172571A 1971-08-13 1971-08-13

Publications (1)

Publication Number Publication Date
BE787395A true BE787395A (fr) 1973-02-12

Family

ID=22624888

Family Applications (1)

Application Number Title Priority Date Filing Date
BE787395D BE787395A (fr) 1971-08-13 Procede de preparation de polyisocyanates

Country Status (10)

Country Link
US (1) US3761502A (nl)
JP (1) JPS5037172B2 (nl)
BE (1) BE787395A (nl)
CA (1) CA999301A (nl)
DE (1) DE2239645C3 (nl)
FR (1) FR2150099A5 (nl)
GB (1) GB1359619A (nl)
IT (1) IT961977B (nl)
NL (1) NL149516B (nl)
ZA (1) ZA725280B (nl)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1397469A (en) * 1973-01-15 1975-06-11 Ici Ltd Process for converting isocyanate groups to carbodiimide groups
DE2504400A1 (de) * 1975-02-01 1976-08-05 Bayer Ag Lagerstabile, carbodiimidgruppen enthaltende polyisocyanate
DE2504334A1 (de) * 1975-02-01 1976-08-05 Bayer Ag Hochmolekulare, unloesliche carbodiimidisierungskatalysatoren
GB1483957A (en) * 1975-05-19 1977-08-24 Ici Ltd Diphenylmethane diisocyanate compositions
GB1567713A (en) * 1977-01-31 1980-05-21 Upjohn Co Process for preparing carbodiimide-containing polyisocyanates
US4154752A (en) * 1978-05-05 1979-05-15 Mobay Chemical Corporation Preparation of partially carbodiimidized methylenebis (phenyl isocyanate)
US4198489A (en) * 1978-10-30 1980-04-15 Basf Wyandotte Corporation Polyurethane foams prepared from highly stable liquid carbodiimide-containing 4,4'-diphenylmethane diisocyanate
US4199524A (en) * 1978-10-30 1980-04-22 Basf Wyandotte Corporation Stable liquid carbodiimide-containing polyisocyanate compositions
US4177205A (en) * 1978-11-20 1979-12-04 Basf Wyandotte Corporation Process for the preparation of highly stable liquid carbodiimide-containing polyisocyanate compositions
US4294951A (en) * 1980-07-14 1981-10-13 Mitsui-Nisso Corporation Rapid curing polyurethane elastomer prepared from a diphenylmethanediisocyanate based liquid prepolymer and a curing agent containing a polytetramethylene ether glycol, a diol and an organometallic catalyst
US4306052A (en) * 1980-09-25 1981-12-15 The Upjohn Company Thermoplastic polyester polyurethanes
DE3643241C2 (nl) * 1985-03-29 1990-07-26 Nisshinbo Industries, Inc., Tokio/Tokyo, Jp
JPH0224570Y2 (nl) * 1985-10-14 1990-07-05
DE102009027246A1 (de) * 2009-06-26 2010-12-30 Evonik Degussa Gmbh Katalysatorarme Carbodiimidgruppen und/oder Uretonimingruppen aufweisende Isocyanatmischungen

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3152162A (en) * 1959-07-29 1964-10-06 Bayer Ag Polyisocyanate-carbodiimide adducts and process for the production thereof
DE1156401B (de) * 1960-05-24 1963-10-31 Bayer Ag Verfahren zur Herstellung von Carbodiimiden
US3522303A (en) * 1964-08-12 1970-07-28 Upjohn Co Phosphorous compounds
US3635947A (en) * 1967-01-10 1972-01-18 Olin Mathieson Catalytic process for the preparation of monocarbodiimides and isocyanate-monocarbodiimide adducts

Also Published As

Publication number Publication date
CA999301A (en) 1976-11-02
DE2239645B2 (de) 1975-01-16
DE2239645C3 (de) 1975-09-04
JPS4828450A (nl) 1973-04-14
IT961977B (it) 1973-12-10
AU4534172A (en) 1973-09-06
NL149516B (nl) 1976-05-17
FR2150099A5 (nl) 1973-03-30
GB1359619A (en) 1974-07-10
NL7210861A (nl) 1973-02-15
US3761502A (en) 1973-09-25
ZA725280B (en) 1973-04-25
JPS5037172B2 (nl) 1975-12-01
DE2239645A1 (de) 1973-03-01

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