FLAME RETARDANTS, PROCESSES FOR THEIR PREPARATION AND USES THEREOF IN POLYURETHANE AND POLYISOCYANURATE FOAMS

摘要

The invention provides pentabromobenzyl moiety containing hydroxy-functional compounds which are useful as flame-retardants in flexible and rigid polyurethane foams and also in rigid polyisocyanurate foams. Processes for preparing the compounds, polyurethane and polyisocyanurate foams containing the compounds are also provided by the invention.

主权项

1. A compound of Formula 1:wherein each of n1 and n2 is an integer equal to or greater than 1, with their the sum (n1+n2) being equal to or greater than 3, and Z is a moiety derived from a branched polyol which contains (n1+n2) branches.