Patent ID: 9309366
Filing Date: 2016-04-12
CPC Classification: C08J,C08K,C09K

Claim Text:
1. A combustion modified flexible polyurethane foam, comprising a polyurethane resin, (a) a diester diol product having a viscosity of 15,000 to about 35,000 cps at 25° C. obtained by reaction of tetrabromophthalic anhydride, diethylene glycol and propylene oxide in a single stage process in the absence of an organic solvent, and (b) at least one epoxy resin comprising at least one cycloaliphatic epoxide, wherein the proportions by weight of components (a) and (b) are in the range of about 98.5:1.5 to about 96.5:3.5, wherein the combustion modified flexible polyurethane foam has a density in the range of 16 kg/m