BE857516A - PROCESS FOR MANUFACTURING POLYURETHANES FROM UREA - Google Patents

PROCESS FOR MANUFACTURING POLYURETHANES FROM UREA

Info

Publication number
BE857516A
BE857516A BE179929A BE179929A BE857516A BE 857516 A BE857516 A BE 857516A BE 179929 A BE179929 A BE 179929A BE 179929 A BE179929 A BE 179929A BE 857516 A BE857516 A BE 857516A
Authority
BE
Belgium
Prior art keywords
urea
manufacturing polyurethanes
polyurethanes
manufacturing
Prior art date
Application number
BE179929A
Other languages
French (fr)
Original Assignee
Naphtachimie Sa
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 Naphtachimie Sa filed Critical Naphtachimie Sa
Publication of BE857516A publication Critical patent/BE857516A/en

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
    • C08G18/3829—Low-molecular-weight compounds having heteroatoms other than oxygen having nitrogen containing -N-C=O groups containing ureum groups

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)
BE179929A 1976-08-06 1977-08-05 PROCESS FOR MANUFACTURING POLYURETHANES FROM UREA BE857516A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7624154A FR2360619A1 (en) 1976-08-06 1976-08-06 Rigid flame-resistant polyurethane foams prodn. - from urea, alkylene oxide and poly:isocyanate

Publications (1)

Publication Number Publication Date
BE857516A true BE857516A (en) 1978-02-06

Family

ID=9176651

Family Applications (1)

Application Number Title Priority Date Filing Date
BE179929A BE857516A (en) 1976-08-06 1977-08-05 PROCESS FOR MANUFACTURING POLYURETHANES FROM UREA

Country Status (6)

Country Link
BE (1) BE857516A (en)
DE (1) DE2735244A1 (en)
ES (1) ES461400A1 (en)
FR (1) FR2360619A1 (en)
IT (1) IT1085357B (en)
NL (1) NL7708573A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3332794A1 (en) * 1983-09-10 1985-03-28 Bayer Ag, 5090 Leverkusen USE OF POLY-HYDROXYALKYL-MONO-UREA MATERIALS FOR PU-FOAMS, DISPERSIONS OF THE POLY-HYDROXYALKYL-MONO-UREA-MATERIALS IN POLYOLEN, AND NEW TRIS-HYDROXYALKYST-MONO-HARNESS
DE3608962A1 (en) * 1985-10-08 1987-04-09 Bayer Ag OLIGOURANE POLYOLS, POLYETHER POLYOLS OBTAINED FROM THEM AND THE USE OF THESE POLYOLS IN THE ISOCYANATE POLYADDITION PROCESS

Also Published As

Publication number Publication date
ES461400A1 (en) 1978-05-16
DE2735244A1 (en) 1978-02-09
NL7708573A (en) 1978-02-08
IT1085357B (en) 1985-05-28
FR2360619A1 (en) 1978-03-03

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