ES436991A1 - Procedimiento para la obtencion de poliaminas. - Google Patents

Procedimiento para la obtencion de poliaminas.

Info

Publication number
ES436991A1
ES436991A1 ES436991A ES436991A ES436991A1 ES 436991 A1 ES436991 A1 ES 436991A1 ES 436991 A ES436991 A ES 436991A ES 436991 A ES436991 A ES 436991A ES 436991 A1 ES436991 A1 ES 436991A1
Authority
ES
Spain
Prior art keywords
polyamine
making
formaldehyde
aromatic
phosgenation
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
ES436991A
Other languages
English (en)
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 ES436991A1 publication Critical patent/ES436991A1/es
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
    • C08G12/00—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
    • C08G12/02—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes
    • C08G12/04—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds
    • C08G12/06—Amines
    • C08G12/08—Amines aromatic

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)
  • Phenolic Resins Or Amino Resins (AREA)
ES436991A 1974-04-26 1975-04-25 Procedimiento para la obtencion de poliaminas. Expired ES436991A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/464,601 US4189443A (en) 1974-04-26 1974-04-26 Method for making a polyamine

Publications (1)

Publication Number Publication Date
ES436991A1 true ES436991A1 (es) 1977-01-01

Family

ID=23844560

Family Applications (1)

Application Number Title Priority Date Filing Date
ES436991A Expired ES436991A1 (es) 1974-04-26 1975-04-25 Procedimiento para la obtencion de poliaminas.

Country Status (12)

Country Link
US (1) US4189443A (es)
JP (1) JPS50148317A (es)
BE (1) BE828317A (es)
BR (1) BR7502538A (es)
CA (1) CA1041109A (es)
DD (1) DD119258A5 (es)
DE (1) DE2517301A1 (es)
ES (1) ES436991A1 (es)
FR (1) FR2268819B1 (es)
GB (1) GB1475266A (es)
IT (1) IT1035455B (es)
NL (1) NL7504822A (es)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10333929A1 (de) * 2003-07-25 2005-02-24 Bayer Materialscience Ag Herstellung von Mischungen von Di- und Polyisocyanaten der Diphenylmethanreihe mit hohen Gehalten an 4,4'-Methylendiphenyldiisocyanat und 2,4'-Methylendiphenyldiisocyanat
DE102004005319A1 (de) * 2004-02-04 2005-08-25 Bayer Materialscience Ag Verfahren zur Herstellung von hochreinem 2,4'-Methylendiphenyldiisocyanat
EP2028206A1 (en) * 2007-08-23 2009-02-25 Huntsman International Llc Polyaromatic polyisocyanate compositions
JP6731929B2 (ja) 2015-01-30 2020-07-29 ビーエーエスエフ ソシエタス・ヨーロピアＢａｓｆ Ｓｅ 副生成物含有量の少ないポリフェニレンポリメチレンポリイソシアネート
CN113754545A (zh) * 2021-10-22 2021-12-07 江苏清泉化学股份有限公司 合成3,3’-二甲基-4,4’-二氨基二苯甲烷方法
US11542223B1 (en) 2022-07-21 2023-01-03 Covestro Llc Process for preparing di- and polyamines of the diphenyl methane series
EP4345088A1 (en) 2022-09-29 2024-04-03 Covestro Deutschland AG A process for preparing di- and polyamines of the diphenyl methane series

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1803331A (en) * 1923-04-03 1931-05-05 Nat Aniline & Chem Co Inc Process of making 4.4'-tetraethyldiaminodiphenylmethane
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
US2974168A (en) * 1955-09-19 1961-03-07 Monsanto Chemicals Process for making methylenedianiline
GB1228495A (es) * 1968-11-25 1971-04-15 Ici Ltd
GB1298258A (en) * 1970-08-07 1972-11-29 Ici Ltd Manufacture of polyamines

Also Published As

Publication number Publication date
DE2517301A1 (de) 1975-11-06
CA1041109A (en) 1978-10-24
FR2268819A1 (es) 1975-11-21
NL7504822A (nl) 1975-10-28
BR7502538A (pt) 1976-03-03
FR2268819B1 (es) 1980-02-22
AU8035275A (en) 1976-10-28
GB1475266A (en) 1977-06-01
BE828317A (fr) 1975-10-24
JPS50148317A (es) 1975-11-27
DD119258A5 (es) 1976-04-12
US4189443A (en) 1980-02-19
IT1035455B (it) 1979-10-20

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