CA1004234A - Process for the production of polyamines - Google Patents

Process for the production of polyamines

Info

Publication number
CA1004234A
CA1004234A CA177,440A CA177440A CA1004234A CA 1004234 A CA1004234 A CA 1004234A CA 177440 A CA177440 A CA 177440A CA 1004234 A CA1004234 A CA 1004234A
Authority
CA
Canada
Prior art keywords
polyamines
production
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
CA177,440A
Other languages
English (en)
Other versions
CA177440S (en
Inventor
Hartmut Knofel
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
Priority claimed from DE19722238379 external-priority patent/DE2238379C3/de
Priority claimed from DE2238920A external-priority patent/DE2238920C3/de
Application filed by Bayer AG filed Critical Bayer AG
Application granted granted Critical
Publication of CA1004234A publication Critical patent/CA1004234A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/30—Low-molecular-weight compounds
    • C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
    • C08G18/3225—Polyamines

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CA177,440A 1972-08-04 1973-07-26 Process for the production of polyamines Expired CA1004234A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19722238379 DE2238379C3 (de) 1972-08-04 1972-08-04 Verfahren zur Herstellung von Polyaminen
DE2238920A DE2238920C3 (de) 1972-08-08 1972-08-08 Verfahren zur Herstellung von Polyaminen

Publications (1)

Publication Number Publication Date
CA1004234A true CA1004234A (en) 1977-01-25

Family

ID=25763659

Family Applications (1)

Application Number Title Priority Date Filing Date
CA177,440A Expired CA1004234A (en) 1972-08-04 1973-07-26 Process for the production of polyamines

Country Status (3)

Country Link
US (1) US3996283A (nl)
CA (1) CA1004234A (nl)
NL (1) NL180416C (nl)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4250114A (en) * 1973-09-17 1981-02-10 Efim Biller Process for the recovery of polyarylpolyamines
DE2500574C3 (de) * 1975-01-09 1980-05-22 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von Polyaminen
DE2557500A1 (de) * 1975-12-19 1977-06-30 Bayer Ag Verfahren zur herstellung von polyaminen
US4201722A (en) * 1976-06-04 1980-05-06 The Upjohn Company Process for separating 4,4'-diaminodiphenylmethane
US4064170A (en) * 1976-09-15 1977-12-20 Texaco Development Corporation Preparation of methylene-bridged polyarylpolyamine mixtures
DE2748968A1 (de) * 1976-11-06 1978-05-11 Elprochine Ag Verfahren zur herstellung von methylenbruecken aufweisenden polyarylaminen
US4130588A (en) * 1977-02-02 1978-12-19 The Dow Chemical Company Process for producing methylene dianiline
DE2962512D1 (en) * 1978-09-12 1982-05-27 Sulzer Ag Process for the preparation of methylene-bridge polyaryl amines
US4259526A (en) * 1979-02-21 1981-03-31 Bayer Aktiengesellschaft Process for the preparation of mixtures of polyamines of the polyamino-polyaryl-polymethylene type
DE3714606A1 (de) * 1987-05-01 1988-11-10 Bayer Ag Verfahren zur herstellung von mehrkernigen aromatischen polyaminen
DE3812083A1 (de) * 1988-04-12 1989-10-26 Bayer Ag Verfahren zur herstellung von mehrkernigen aromatischen polyaminen
DE4112131A1 (de) * 1991-04-13 1992-10-15 Bayer Ag Verfahren zur herstellung von mehrkernigen aromatischen polyaminen
DE4112130A1 (de) * 1991-04-13 1992-10-15 Bayer Ag Verfahren zur herstellung von mehrkernigen aromatischen polyaminen
DE19513269A1 (de) * 1995-04-07 1996-10-10 Bayer Ag Fraktionierung und Reinigung von aromatischen Polyamingemischen und deren Verwendung
DE102005026864A1 (de) * 2005-06-10 2006-12-14 Bayer Materialscience Ag Verfahren zur Herstellung von 4,4'-Diphenylmethandiisocyanat
EP2014641A3 (en) * 2007-06-06 2009-03-18 Huntsman International Llc Process for preparing mixtures of diphenylmethane diisocyanates and polyphenyl polymethylene polyisocyanates
EP2039676A1 (en) * 2007-09-19 2009-03-25 Huntsman International Llc Process for the production of di-and polyamines of the diphenylmethane series
EP2062869A1 (en) * 2007-09-19 2009-05-27 Huntsman International Llc Process for the production of di-and polyamines of the diphenylmethane series
DE102008012037A1 (de) * 2008-03-01 2009-09-03 Bayer Materialscience Ag Verfahren zur Herstellung von Methylen-diphenyl-diisocyanaten

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1954484A (en) * 1932-08-27 1934-04-10 Du Pont Process of producing derivatives of diphenylmethane
US2818433A (en) * 1955-09-19 1957-12-31 Monsanto Chemicals Process for making methylenedianilines
US2938054A (en) * 1958-02-18 1960-05-24 Allied Chem Process for purification of 4, 4'-methylenedianiline
US3175007A (en) * 1961-08-14 1965-03-23 Dow Chemical Co Purification of dianilines
FR1429551A (fr) * 1964-02-28 1966-02-25 Kaiser Aluminium Chem Corp Procédé de production de polyamines primaires
US3358025A (en) * 1964-09-14 1967-12-12 Upjohn Co Process of recovering 4, 4'-methylenedi
US3496229A (en) * 1966-04-18 1970-02-17 Mobay Chemical Corp Polyamines
GB1228495A (nl) * 1968-11-25 1971-04-15 Ici Ltd
US3728310A (en) * 1970-10-12 1973-04-17 Uniroyal Inc Mixed polyamines formed by the acidcatalyzed condensation of 3-chloroaniline,2,5-dichloroaniline,and formaldehyde as curing agents for polyurethanes

Also Published As

Publication number Publication date
NL180416B (nl) 1986-09-16
NL7310656A (nl) 1974-02-06
NL180416C (nl) 1987-02-16
US3996283A (en) 1976-12-07

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