GB970497A - Method of preparing polyurethane - Google Patents

Method of preparing polyurethane

Info

Publication number
GB970497A
GB970497A GB528562A GB528562A GB970497A GB 970497 A GB970497 A GB 970497A GB 528562 A GB528562 A GB 528562A GB 528562 A GB528562 A GB 528562A GB 970497 A GB970497 A GB 970497A
Authority
GB
United Kingdom
Prior art keywords
sulphates
nitrates
metallic
thiocyanates
salts
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB528562A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aerojet Rocketdyne Inc
Original Assignee
Aerojet General Corp
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 Aerojet General Corp filed Critical Aerojet General Corp
Publication of GB970497A publication Critical patent/GB970497A/en
Expired legal-status Critical Current

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
    • C08G18/70—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
    • C08G18/7868—Nitrogen containing nitro 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
    • C08G18/16—Catalysts
    • C08G18/22—Catalysts containing metal compounds
    • 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
    • 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
    • C08G18/384—Low-molecular-weight compounds having heteroatoms other than oxygen having nitrogen containing nitro 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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB528562A 1961-03-20 1962-02-12 Method of preparing polyurethane Expired GB970497A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US9709961A 1961-03-20 1961-03-20

Publications (1)

Publication Number Publication Date
GB970497A true GB970497A (en) 1964-09-23

Family

ID=22261051

Family Applications (1)

Application Number Title Priority Date Filing Date
GB528562A Expired GB970497A (en) 1961-03-20 1962-02-12 Method of preparing polyurethane

Country Status (2)

Country Link
FR (1) FR1317899A (cs)
GB (1) GB970497A (cs)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3395108A (en) * 1964-09-30 1968-07-30 Allied Chem Manufacture of filled urethane elastomers cured with a mixture of polyol, inert fille, mercuric salt of an aliphatic monocarboxylic acid and a basic metal compound
US3419509A (en) * 1965-11-22 1968-12-31 Wyandotte Chemicals Corp Mercury compounds as catalysts for the polyurethane reaction
US3642044A (en) * 1969-05-05 1972-02-15 Merck & Co Inc The production of polyurethanes employing organopolymercurial catalysts
US4220727A (en) * 1976-09-24 1980-09-02 Union Carbide Corporation Method of molding polyurethanes having mold release properties

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3395108A (en) * 1964-09-30 1968-07-30 Allied Chem Manufacture of filled urethane elastomers cured with a mixture of polyol, inert fille, mercuric salt of an aliphatic monocarboxylic acid and a basic metal compound
US3419509A (en) * 1965-11-22 1968-12-31 Wyandotte Chemicals Corp Mercury compounds as catalysts for the polyurethane reaction
US3642044A (en) * 1969-05-05 1972-02-15 Merck & Co Inc The production of polyurethanes employing organopolymercurial catalysts
US4220727A (en) * 1976-09-24 1980-09-02 Union Carbide Corporation Method of molding polyurethanes having mold release properties

Also Published As

Publication number Publication date
FR1317899A (cs) 1963-05-08

Similar Documents

Publication Publication Date Title
ES433642A1 (es) Procedimiento para la obtencion de derivados de nitro de compuestos aromaticos de dificil nitracion.
ES449150A1 (es) Procedimiento para preparar espumas de poliurea.
GB970497A (en) Method of preparing polyurethane
ES407916A1 (es) Un procedimiento para la produccion de isocianatos organi- cos.
IT956102B (it) Procedimento per preparare mono e poliisocianati
JPS55155016A (en) Manufacture of foamed polyurethane elastomer
ES442523A1 (es) Procedimiento para la obtencion de nitronaftalinas.
KR930703237A (ko) 니트로화 가능한 방향족 화합물을 연속적으로 니트로화시키는 방법
ATE553T1 (de) Verfahren zur herstellung von nitroparaffinen durch nitrierung von aethan in der gasphase.
ES458388A1 (es) Procedimiento para la obtencion de poliisocianatos llevando grupos biuret.
GB956460A (en) Production of thiocarbamates and thiocarbazates
GB980769A (en) Process for the production of dinitrotoluenes
KR830006192A (ko) 요소의 제조방법
GB1491974A (en) Manufacture of aliphatic isocyanates
ATA617875A (de) Verfahren zur herstellung von selbstverloschenden, urethangruppenhaltigen polyisocyanuratschaumstoffen
AT337999B (de) Verfahren zur herstellung von flammwidrigen, harten, urethangruppen aufweisenden schaumstoffen
KR840002745A (ko) 방향족 아민류 함유의 폐수 처리방법
KR840007557A (ko) 모노-니트로 방향족 화합물의 제조방법
SE8305453D0 (sv) Forfarande for beredning av lignosulfonatbaserade blandningar speciellt anvenda sasom betongtillsatser
GB1322490A (en) Method of soil stabilization
GB870203A (en) Improvements in or relating to surface moderated propellent powders
GB949086A (en) Improvements in composite propellants and the like
GB1038187A (en) Bi-and tri-n-substituted derivatives of isocyanuric acid
JPS54125864A (en) Method of treating water containing ammoniacal nitrogen
GB700028A (en) Improvements in or relating to blasting explosives