BE744475A - Procede de preparation de 4,4'-diphenylmethane-diisocyanate et d'un melange de di- et de polyisocyanates - Google Patents

Procede de preparation de 4,4'-diphenylmethane-diisocyanate et d'un melange de di- et de polyisocyanates

Info

Publication number
BE744475A
BE744475A BE744475DA BE744475A BE 744475 A BE744475 A BE 744475A BE 744475D A BE744475D A BE 744475DA BE 744475 A BE744475 A BE 744475A
Authority
BE
Belgium
Prior art keywords
polyisocyanates
diphenylmethane
diisocyanate
preparing
mixture
Prior art date
Application number
Other languages
English (en)
Original Assignee
Basf 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 Basf Ag filed Critical Basf Ag
Publication of BE744475A publication Critical patent/BE744475A/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00—Preparation of derivatives of isocyanic acid
    • C07C263/10—Preparation of derivatives of isocyanic acid by reaction of amines with carbonyl halides, e.g. with phosgene

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polyurethanes Or Polyureas (AREA)
BE744475D 1969-01-16 1970-01-15 Procede de preparation de 4,4'-diphenylmethane-diisocyanate et d'un melange de di- et de polyisocyanates BE744475A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691901993 DE1901993A1 (de) 1969-01-16 1969-01-16 Verfahren zur Herstellung von 4,4'-Diphenylmethandiisocyanat und einem Gemisch von Di- und Polyisocyanaten

Publications (1)

Publication Number Publication Date
BE744475A true BE744475A (fr) 1970-07-15

Family

ID=5722535

Family Applications (1)

Application Number Title Priority Date Filing Date
BE744475D BE744475A (fr) 1969-01-16 1970-01-15 Procede de preparation de 4,4'-diphenylmethane-diisocyanate et d'un melange de di- et de polyisocyanates

Country Status (6)

Country Link
JP (1) JPS5138713B1 (fr)
BE (1) BE744475A (fr)
DE (1) DE1901993A1 (fr)
FR (1) FR2028448A1 (fr)
GB (1) GB1287192A (fr)
NL (1) NL7000584A (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2935318A1 (de) * 1979-08-31 1981-03-26 Bayer Ag, 51373 Leverkusen Neue diisocyanate bzw. diisocyanatgemische der diphenylmethanreihe, verfahren zu ihrer herstellung, sowie ihre verwendung als aufbaukomponente bei der herstellung von polyurethankunststoffen nach dem isocyanat-polyadditionsverfahren
DE3032128A1 (de) * 1980-08-26 1982-04-08 Bayer Ag, 5090 Leverkusen Neue diisocyanate bzw. diisocyanatgemische der diphenylmethanreihe, verfahren zu ihrer herstellung, sowie ihre verwendung als aufbaukomponente bei der herstellung von polyurethankunststoffen nach dem isocyanat-polyadditionsverfahren
DE3516023A1 (de) * 1985-05-04 1986-11-06 Krönig Papierherstellungsgesellschaft mbH, 4060 Viersen Flachpalette
DE9010271U1 (de) * 1990-07-06 1990-11-15 Nordwell GmbH Verpackungsvertrieb der Dansk Kraftemballage A/S, 2390 Flensburg Holm für eine Flachpalette
DE4100407A1 (de) * 1990-08-11 1992-02-13 Stabernack Gmbh Gustav Palette, vorzugsweise aus wellpappmaterial
DE4314504A1 (de) * 1992-05-29 1993-12-02 Tillmann Verpackungen Gmbh Palettenbausystem und Verfahren zu seiner Herstellung
CN101370767B (zh) 2006-01-20 2011-12-28 巴斯夫欧洲公司 同时制备4,4'-二苯基甲烷二胺、二苯基甲烷二异氰酸酯、多亚苯基多亚甲基多异氰酸酯的方法
ES2427593T3 (es) 2007-01-08 2013-10-31 Basf Se Procedimiento para la obtención de difenilmetanodiamina
US10759736B2 (en) 2018-10-17 2020-09-01 Covestro Deutschland Ag Process for the preparation of di- and polyamines of the diphenylmethane series

Also Published As

Publication number Publication date
GB1287192A (en) 1972-08-31
FR2028448A1 (fr) 1970-10-09
JPS5138713B1 (fr) 1976-10-23
NL7000584A (fr) 1970-07-20
DE1901993A1 (de) 1970-08-20

Similar Documents

Publication Publication Date Title
BE744810A (fr) Procede de preparation d'alcynols et d'alcyne-diols
BE751550A (fr) Procede pour la preparation de mousses presentant des groupes urethane,resistantes a l'inflammation
BE776510A (fr) Procede de preparation en continu d'alcoxysilanes et d'alcoxy-polysiloxanes
BE744475A (fr) Procede de preparation de 4,4'-diphenylmethane-diisocyanate et d'un melange de di- et de polyisocyanates
BE834443A (fr) Procede de preparation de cyclohexane-diones-1,3 et d'alkyl-6-dihydro-3,4 -pyranones-2
BE745692A (fr) Procede de preparation d'acyloxy-4-azetidinones-2
BE750399A (fr) Procede de preparation d'esters-isocyanates
RO70440A (fr) Procede pour la preparation d'un melange d'antraquinone et pyrokatehyne
EG10292A (en) Novel triazolothiazole esters a process for their preparation and their use as insecticides and acaricides
FR2073592A5 (fr) Procede de separation d'un melange de plusieurs chlorophenols
BE795902A (fr) Procede de preparation du diiodo-3,5 hydroxy-4benzonitrile et de l'iodo-3 hydroxy-4 nitro-5benzonitrile
BE785055A (fr) Procede de preparation d'alpha-monohydroxylamino- anthraquinoneet d'alpha,alpha'-dihydroxylamino-anthraquinone
BE815971A (fr) Procede de preparation d'amines et d'urees substituees
BE771401A (fr) Colorants methiniques et leur procede d'obtention
BE747284A (fr) Procede de preparation d'aryldimethylchlorosilanes
IL35113A0 (en) Cardenolide-and bufadienolide-3-(2',3'-didesoxyglycosides)and process for their preparation
BE815741A (fr) Procede de preparation de prostaglandine-f2alpha et de ses analogues
CH511249A (fr) Procédé de préparation d'oxo-dihydro-benzothiazine-S-dioxydes
BE778852A (fr) Procede de preparation d'aminoaryl-urees et d'aminoaryl-thio-urees
BE779136R (fr) Procede de preparation d'acetoxy-1-methyl-3-butene-2-al-4
BE747310A (fr) Procede de preparation d'esters-isocyanates
BE757246A (fr) Procede de preparation d'un produit a teneur elevee en biuret
BE773500A (fr) Procede de preparation d'alcoxyacetaldehydes et d'acyloxyacetaldehydes
BE812031A (fr) Procede de preparation d'urethane et de thio-urethanes
BE757175A (fr) Procede de preparation continue d'1-methyl-3-phenylindanes