NL169586C - Werkwijze om gestabiliseerde tolueendiisocyanaatmengsels te bereiden. - Google Patents

Werkwijze om gestabiliseerde tolueendiisocyanaatmengsels te bereiden.

Info

Publication number
NL169586C
NL169586C NLAANVRAGE7014979,A NL7014979A NL169586C NL 169586 C NL169586 C NL 169586C NL 7014979 A NL7014979 A NL 7014979A NL 169586 C NL169586 C NL 169586C
Authority
NL
Netherlands
Prior art keywords
toluene diisocyanate
preparing stabilized
diisocyanate mixtures
stabilized toluene
mixtures
Prior art date
Application number
NLAANVRAGE7014979,A
Other languages
English (en)
Other versions
NL169586B (nl
NL7014979A (nl
Original Assignee
Dow Chemical Co
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 Dow Chemical Co filed Critical Dow Chemical Co
Publication of NL7014979A publication Critical patent/NL7014979A/xx
Publication of NL169586B publication Critical patent/NL169586B/nl
Application granted granted Critical
Publication of NL169586C publication Critical patent/NL169586C/nl

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
    • C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
    • C08G18/3203—Polyhydroxy compounds
    • C08G18/3218—Polyhydroxy compounds containing cyclic groups having at least one oxygen atom in the ring
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00—Preparation of derivatives of isocyanic acid
    • C07C263/18—Separation; Purification; Stabilisation; Use of additives
    • 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
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
    • C08G18/78—Nitrogen
    • C08G18/79—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates
    • C08G18/791—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates containing isocyanurate groups
    • C08G18/794—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates containing isocyanurate groups formed by oligomerisation of aromatic isocyanates or isothiocyanates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polyurethanes Or Polyureas (AREA)
NLAANVRAGE7014979,A 1969-12-29 1970-10-13 Werkwijze om gestabiliseerde tolueendiisocyanaatmengsels te bereiden. NL169586C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US88892569A 1969-12-29 1969-12-29

Publications (3)

Publication Number Publication Date
NL7014979A NL7014979A (nl) 1971-07-01
NL169586B NL169586B (nl) 1982-03-01
NL169586C true NL169586C (nl) 1982-08-02

Family

ID=25394180

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7014979,A NL169586C (nl) 1969-12-29 1970-10-13 Werkwijze om gestabiliseerde tolueendiisocyanaatmengsels te bereiden.

Country Status (7)

Country Link
US (1) US3652424A (nl)
DE (1) DE2063731C3 (nl)
ES (1) ES384119A1 (nl)
FR (1) FR2073924A5 (nl)
GB (1) GB1292404A (nl)
NL (1) NL169586C (nl)
SE (1) SE366336B (nl)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3723363A (en) * 1970-09-23 1973-03-27 F Shaw Trimerized crude isocyanate mixtures and polyurethane foams prepared from same
DE2403858A1 (de) * 1974-01-28 1975-08-21 Basf Ag Stabile, fluessige amid- und/oder acylharnstoffgruppenhaltige isocyanurat-polyisocyanatloesungen
DE2542706C3 (de) * 1975-09-25 1981-04-09 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von Imidgruppen enthaltenden Polykondensaten
DE2615876C2 (de) * 1976-04-10 1986-05-15 Bayer Ag, 5090 Leverkusen Aromatische Isocyanato-polysulfonsäuren und Verfahren zu deren Herstellung
DE2932095A1 (de) * 1979-08-08 1981-04-09 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von diisocyanatotoluol-gemischen mit einem erhoehten gehalt an 2,6-diisocyanatotoluol, sowie deren verwendung als aufbaukomponente bei der herstellung von polyurethanelastomeren
US4243756A (en) * 1979-08-27 1981-01-06 Basf Wyandotte Corporation Stable-liquid isocyanurate-modified polyisocyanate compositions
US4359550A (en) * 1981-01-19 1982-11-16 Basf Wyandotte Corporation Polyisocyanurate polymers, dispersions, and cellular and non-cellular polyurethane products prepared therefrom
US4359541A (en) * 1981-01-19 1982-11-16 Basf Wyandotte Corporation Process for the preparation of polyisocyanurate dispersions and compositions prepared therefrom
DE3105776A1 (de) * 1981-02-17 1982-09-02 Bayer Ag, 5090 Leverkusen Neue diisocyanate, ein verfahren zu ihrer herstellung, sowie ihre verwendung als aufbaukomponente bei der herstellung von polyurethankunststoffen
US4382125A (en) * 1981-11-30 1983-05-03 Basf Wyandotte Corporation Isocyanurate-modified polymethylene polyphenylene polyisocyanate compositions
DE3244407A1 (de) * 1982-12-01 1984-06-07 Bayer Ag, 5090 Leverkusen Neue polyisocyanatgemische, ein verfahren zu ihrer herstellung und ihre verwendung als aufbaukomponente bei der herstellung von polyurethankunststoffen
NL8303152A (nl) * 1983-09-13 1985-04-01 Dsm Resins Bv Werkwijze voor het bereiden van een isocyanaat groepen bevattende isocyanuraatverbinding.
US20060073321A1 (en) * 2004-10-01 2006-04-06 Kaushiva Bryan D Molded flexible polyurethane foams with reduced flammability and superior durability

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2683144A (en) * 1951-10-02 1954-07-06 Du Pont Polymerization of isocyanates
US2978449A (en) * 1956-11-16 1961-04-04 Ici Ltd Polymeric isocyanates and their manufacture
US3274225A (en) * 1963-01-04 1966-09-20 Mobay Chemical Corp Method for producing organic polyisocyanates substantially free of sediment
US3366661A (en) * 1963-08-29 1968-01-30 Du Pont Process for improving the storage stability of 4, 4'-diisocyanatodiphenylmethane
US3452073A (en) * 1965-04-05 1969-06-24 Allied Chem Liquid polyisocyanate compositions and process for the production thereof
US3494888A (en) * 1966-08-30 1970-02-10 Wilbur R Mcelroy Resin compositions from polyepoxides and isocyanate polymers

Also Published As

Publication number Publication date
NL169586B (nl) 1982-03-01
DE2063731A1 (de) 1971-07-01
NL7014979A (nl) 1971-07-01
SE366336B (nl) 1974-04-22
DE2063731C3 (de) 1980-08-21
DE2063731B2 (de) 1979-12-20
ES384119A1 (es) 1972-12-16
FR2073924A5 (nl) 1971-10-01
GB1292404A (en) 1972-10-11
US3652424A (en) 1972-03-28

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Legal Events

Date Code Title Description
CNR Transfer of rights (patent application after its laying open for public inspection)

Free format text: THE DOW CHEMICAL COMPANY

V1 Lapsed because of non-payment of the annual fee