IT954903B - Diisocianato di elevata acidita e processo per la sua produzione - Google Patents

Diisocianato di elevata acidita e processo per la sua produzione

Info

Publication number
IT954903B
IT954903B IT23449/72A IT2344972A IT954903B IT 954903 B IT954903 B IT 954903B IT 23449/72 A IT23449/72 A IT 23449/72A IT 2344972 A IT2344972 A IT 2344972A IT 954903 B IT954903 B IT 954903B
Authority
IT
Italy
Prior art keywords
diisocyanate
production
high acidity
acidity
Prior art date
Application number
IT23449/72A
Other languages
English (en)
Italian (it)
Original Assignee
Du Pont
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 Du Pont filed Critical Du Pont
Application granted granted Critical
Publication of IT954903B publication Critical patent/IT954903B/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00—Preparation of derivatives of isocyanic acid
    • C07C263/10—Preparation of derivatives of isocyanic acid by reaction of amines with carbonyl halides, e.g. with phosgene
    • 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
    • C08G18/3206—Polyhydroxy compounds aliphatic
    • 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
    • C08G18/3225—Polyamines
    • C08G18/3237—Polyamines aromatic
    • C08G18/3243—Polyamines aromatic containing two or more aromatic rings
    • 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
    • C08G18/40—High-molecular-weight compounds
    • C08G18/48—Polyethers
    • C08G18/4833—Polyethers containing oxyethylene units
    • C08G18/4837—Polyethers containing oxyethylene units and other oxyalkylene units
    • C08G18/4841—Polyethers containing oxyethylene units and other oxyalkylene units containing oxyethylene end 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
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
    • C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
    • C08G18/6666—Compounds of group C08G18/48 or C08G18/52
    • C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
    • C08G18/6681—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/32 or C08G18/3271 and/or polyamines of C08G18/38
    • C08G18/6685—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/32 or C08G18/3271 and/or polyamines of C08G18/38 with compounds of group C08G18/3225 or polyamines of C08G18/38
    • 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
    • C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
    • C08G18/7614—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring
    • C08G18/7621—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring being toluene diisocyanate including isomer mixtures
    • 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
    • C08G2110/00—Foam properties
    • C08G2110/0008—Foam properties flexible
    • 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
    • C08G2110/00—Foam properties
    • C08G2110/0041—Foam properties having specified density
    • C08G2110/005—< 50kg/m3
    • 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
    • C08G2110/00—Foam properties
    • C08G2110/0083—Foam properties prepared using water as the sole blowing agent

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
IT23449/72A 1971-04-26 1972-04-22 Diisocianato di elevata acidita e processo per la sua produzione IT954903B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13714271A 1971-04-26 1971-04-26

Publications (1)

Publication Number Publication Date
IT954903B true IT954903B (it) 1973-09-15

Family

ID=22476001

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23449/72A IT954903B (it) 1971-04-26 1972-04-22 Diisocianato di elevata acidita e processo per la sua produzione

Country Status (7)

Country Link
JP (1) JPS527037B1 (2)
BE (1) BE781999A (2)
BR (1) BR7202497D0 (2)
CA (1) CA974537A (2)
FR (1) FR2136642A5 (2)
GB (1) GB1387318A (2)
IT (1) IT954903B (2)

Also Published As

Publication number Publication date
JPS527037B1 (2) 1977-02-26
DE2220254B2 (de) 1975-12-18
CA974537A (en) 1975-09-16
BR7202497D0 (pt) 1973-10-09
FR2136642A5 (2) 1973-01-05
DE2220254A1 (2) 1972-11-16
BE781999A (fr) 1972-07-31
GB1387318A (en) 1975-03-12

Similar Documents

Publication Publication Date Title
IT949636B (it) Metodo per la fabbricazione di poliuretani dotati di buone proprieta ottiche e prodotto ottenuto
BR7203235D0 (pt) Processo de fabricacao de membranas anisotropas de poliarileter-sulfonada membranas assim obtidas e sua utilizacao
BR7207701D0 (pt) Moto-niveladora processo de sua producao e o acessorio nivelador
IT961412B (it) Vetroceramica e metodo per la sua produzione
IT998155B (it) Processo per la produzione di propilenossido e prodotto ottenuto
IT944395B (it) Processo per la produzione di metano
BR7206785D0 (pt) Composicoes pigmentares de quinacridonas e processo para sua fabricacao
IT963717B (it) Filato poliestere e processo per la sua produzione
IT952731B (it) Processo d separazione di idrocarburo
IT962750B (it) Processo per la produzione di poliuretani
IT970282B (it) Processo per la produzione di ossazoline
IT1033055B (it) Processo per la produzione di lattami
IT968603B (it) Gas riducente e processo per la sua produzione
IT1037018B (it) Prodotto di confetteria aerato e processo per la sua produzione
BR7107585D0 (pt) Recipientes pressurizados e processo de sua producao
IT941164B (it) Processo di produzione di maleinimmidi
IT963276B (it) Processo per la produzione di este ri di cicloalchenoni
IT954903B (it) Diisocianato di elevata acidita e processo per la sua produzione
IT988069B (it) Preparato enzimatico e metodo per la sua prodizione
IT966201B (it) Procedimento ed impianto per la produzione di poliammine aromatiche
IT989623B (it) Preparato di accensione e procedi mento per la sua produzione
BR7202453D0 (pt) Novos di-eter-oxidos de estradiol-17-beta e processo de sua preparacao
IT944493B (it) Processo per la produzione di isocianati
IT941766B (it) Acciaio smaltato vetroso e proces so per la sua produzion
BR7207120D0 (pt) Processo e dispositivo para producao de elementos de construcao