Patent · US Expired

Composition for fire retardant urethane foam

US4409341A · kind A · utility

3Cited by
3References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 31, 1981
Grant dateOct 11, 1983
Priority date
Expiry dateDec 31, 2001

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S521/906
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A composition for polyurethane foam comprising (a) polyols containing at least one of alkylene oxide adducts of aniline-formaldehyde condensates and alkylene oxide adducts of reduced compounds of nitrated toluenes in an amount of 30 to 70% by weight of the polyols, (b) at least one isocyanate of the formula: ##STR1## a fire retardant, together with one or more conventional catalysts, foam stabilizers, blowing agents and the like additives, can give fire retardant, high impact and heat resistant urethane foams.

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