BE855134A - Procede pour la preparation de polyurethannes a partir de plusieurs composes polyhydroxyles - Google Patents

Procede pour la preparation de polyurethannes a partir de plusieurs composes polyhydroxyles

Info

Publication number
BE855134A
BE855134A BE177987A BE177987A BE855134A BE 855134 A BE855134 A BE 855134A BE 177987 A BE177987 A BE 177987A BE 177987 A BE177987 A BE 177987A BE 855134 A BE855134 A BE 855134A
Authority
BE
Belgium
Prior art keywords
polyurethannes
preparation
several
polyhydroxyl compounds
polyhydroxyl
Prior art date
Application number
BE177987A
Other languages
English (en)
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 BE855134A publication Critical patent/BE855134A/fr

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
    • C08G18/08—Processes
    • C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
    • C08G18/12—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyurethanes Or Polyureas (AREA)
BE177987A 1976-05-28 1977-05-27 Procede pour la preparation de polyurethannes a partir de plusieurs composes polyhydroxyles BE855134A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762623961 DE2623961A1 (de) 1976-05-28 1976-05-28 Verfahren zur herstellung von polyurethanen

Publications (1)

Publication Number Publication Date
BE855134A true BE855134A (fr) 1977-11-28

Family

ID=5979240

Family Applications (1)

Application Number Title Priority Date Filing Date
BE177987A BE855134A (fr) 1976-05-28 1977-05-27 Procede pour la preparation de polyurethannes a partir de plusieurs composes polyhydroxyles

Country Status (4)

Country Link
BE (1) BE855134A (fr)
DE (1) DE2623961A1 (fr)
FR (1) FR2352845A1 (fr)
GB (1) GB1550322A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2815540A1 (de) * 1978-04-11 1979-10-25 Basf Ag Polyurethan-weichschaumstoffe mit hoher trag- und stossabsorptionsfaehigkeit
EP0030426A3 (fr) * 1979-12-11 1981-09-02 Dunlop Limited Compositions de polymères et procédés de fabrication de produits à partir de celles-ci
DE3134112A1 (de) * 1981-08-28 1983-03-10 Bayer Ag, 5090 Leverkusen Beschichtungs- und zurichtmittel fuer leder und lederaustauschstoffe auf basis von polyurethanharnstoff-beschichtungsmassen
DE3906143A1 (de) * 1989-02-28 1990-09-06 Basf Lacke & Farben Hitzehaertbares ueberzugsmittel fuer die kathodische elektrotauchlackierung

Also Published As

Publication number Publication date
GB1550322A (en) 1979-08-08
FR2352845A1 (fr) 1977-12-23
DE2623961A1 (de) 1977-12-15

Similar Documents

Publication Publication Date Title
FR2343712A1 (fr) Procede pour la preparation de l'acide acrylique a partir du propylene
BE868203A (fr) Procede pour l'extraction selective de la cafeine a partir de matieres vegetales
PT71864A (fr) Procede pour la preparation de composes hetherocicliques
FR2314915A1 (fr) Procede de preparation du 2-hydroxyisobutyramide a partir de l'acetone-cyanhydrine
BE861172A (fr) Procede de preparation d'alpha-amino-amides
LU81518A1 (fr) Procede pour la preparation de nouveaux composes de la piperidine
BE852324A (fr) Procede de production de nouveaux composes antigonistes d'histamine-h2
RO84686A (fr) Procede pour la preparation du procede a du-1-triazolyle-styrenes-1-substitus
RO70462A (fr) Procede pour la preparation des 3-halomethylcephem
RO71572A (fr) Procede pour la preparation des oxycarbamates n-sulphenyles
RO71066A (fr) Procede pour la preparation des 2-chlorsulfinylazetidin-4-ones
FR2352845A1 (fr) Procede pour la preparation de polyurethannes a partir de plusieurs composes polyhydroxyles
PT69725A (fr) Procede de preparation de nouveaux composes du type muramyl-peptide
BE857650A (fr) Procede de preparation de composes d'alcoxymethylene
RO72900A (fr) Procede pour la preparation des cis-4a-phenyloctahydro-1h-2-pyrindines
MC1345A1 (fr) Procede pour la preparation de composes heterocycliques
LU77530A1 (fr) Procede et composes intermediaires pour la preparation de certaines 2-(piperazin-1-yle 4-substitue)-4-amino-quinazolines
RO72831A (fr) Procede pour la preparation des fenilpyperazines
FR2339605A1 (fr) Procede pour la preparation de composes methylene-dioxy aromatiques
BE871961A (fr) Procede ameliore pour la production d'alkylene-glycols
BE871960A (fr) Procede ameliore pour la production de composes polyhydriques
BE841905A (fr) Procede de preparation de chloranthraquinones a partir de nitroanthraquinones
FR2338282A2 (fr) Procede de preparation de composes de tetraorgano-etain a partir de l'etain elementaire
RO70052A (fr) Procede pour la preparation des 7-alcoxy-3-chloremethylecephemes
BE851779A (fr) Procede de preparation d'halogenoacetals a partir d'esters