NL7708573A - PREPARATION OF POLYURETHANES FROM UREA. - Google Patents

PREPARATION OF POLYURETHANES FROM UREA.

Info

Publication number
NL7708573A
NL7708573A NL7708573A NL7708573A NL7708573A NL 7708573 A NL7708573 A NL 7708573A NL 7708573 A NL7708573 A NL 7708573A NL 7708573 A NL7708573 A NL 7708573A NL 7708573 A NL7708573 A NL 7708573A
Authority
NL
Netherlands
Prior art keywords
polyurethanes
urea
preparation
Prior art date
Application number
NL7708573A
Other languages
Dutch (nl)
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 NL7708573A publication Critical patent/NL7708573A/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)
NL7708573A 1976-08-06 1977-08-03 PREPARATION OF POLYURETHANES FROM UREA. NL7708573A (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
NL7708573A true NL7708573A (en) 1978-02-08

Family

ID=9176651

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7708573A NL7708573A (en) 1976-08-06 1977-08-03 PREPARATION OF 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
DE2735244A1 (en) 1978-02-09
BE857516A (en) 1978-02-06
ES461400A1 (en) 1978-05-16
FR2360619A1 (en) 1978-03-03
IT1085357B (en) 1985-05-28

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Legal Events

Date Code Title Description
BV The patent application has lapsed