Patent · US Expired

Foams and elastomers prepared in the presence of high tertiary amine content polyurethane catalysts

US4049591A · kind A · utility

23Cited by
5References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 18, 1976
Grant dateSep 20, 1977
Priority date
Expiry dateOct 18, 1996

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G18/185
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Covers compounds of the formula ##STR1## where R" is lower alkyl, R is hydrogen or lower alkyl and Y is selected from the group consisting of CN, CONH.sub.2, CO.sub.2 R', CONR'.sub.2 and COR' where R' independently is hydrogen, lower alkyl or aryl. Also covers a method of producing a polyurethane by utilizing said above compounds as catalysts in reacting an organic polyisocyanate with an organic polyester polyol or polyether polyol in the presence of said catalyst.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.