BE799412A - Procede de preparation de mousses de polyurethanes semi dures, - Google Patents

Procede de preparation de mousses de polyurethanes semi dures,

Info

Publication number
BE799412A
BE799412A BE131010A BE131010A BE799412A BE 799412 A BE799412 A BE 799412A BE 131010 A BE131010 A BE 131010A BE 131010 A BE131010 A BE 131010A BE 799412 A BE799412 A BE 799412A
Authority
BE
Belgium
Prior art keywords
polyurethane foams
hard polyurethane
preparing semi
semi
preparing
Prior art date
Application number
BE131010A
Other languages
English (en)
French (fr)
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 BE799412A publication Critical patent/BE799412A/xx

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
    • C08G18/38—Low-molecular-weight compounds having heteroatoms other than oxygen
    • C08G18/3819—Low-molecular-weight compounds having heteroatoms other than oxygen having nitrogen
    • C08G18/3823—Low-molecular-weight compounds having heteroatoms other than oxygen having nitrogen containing -N-C=O groups
    • 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

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)
BE131010A 1972-05-13 1973-05-11 Procede de preparation de mousses de polyurethanes semi dures, BE799412A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722223484 DE2223484A1 (de) 1972-05-13 1972-05-13 Verfahren zur herstellung von halbharten polyurethanschaumstoffen

Publications (1)

Publication Number Publication Date
BE799412A true BE799412A (fr) 1973-11-12

Family

ID=5844848

Family Applications (1)

Application Number Title Priority Date Filing Date
BE131010A BE799412A (fr) 1972-05-13 1973-05-11 Procede de preparation de mousses de polyurethanes semi dures,

Country Status (7)

Country Link
JP (1) JPS4961292A (xx)
BE (1) BE799412A (xx)
DE (1) DE2223484A1 (xx)
ES (1) ES414705A1 (xx)
FR (1) FR2184773A1 (xx)
GB (1) GB1381222A (xx)
NL (1) NL7306538A (xx)

Also Published As

Publication number Publication date
NL7306538A (xx) 1973-11-15
ES414705A1 (es) 1976-02-01
FR2184773A1 (xx) 1973-12-28
GB1381222A (en) 1975-01-22
DE2223484A1 (de) 1973-11-22
JPS4961292A (xx) 1974-06-13

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