Back to results
US 2014/0378565 A1Published application
Flame retardant composition
AssigneeBromine Compounds Ltd.
InventorsMark Gelmont, Michael Peled, Dina Alon, Ron Frim, Yoav Bar-Yaakov
Life of this patent
Estimating the term…
Abstract
A liquid flame retardant composition which comprises one or more flame retarding agents, which are the epoxides obtainable by reacting tetrabromobisphenol A with epichlorohydrin and their end-capped derivatives represented by Formula (1) is provided. The liquid composition is especially useful in the preparation of rigid polyurethane foams.
Claims15
1-26. (canceled)
A liquid composition comprising:
- A) One or more solid flame retarding agents represented by Formula 1 b):
- wherein n, the degree of polymerization, is an integer in the range from 0 to 5;
- B) one or more liquids selected from the group consisting of polyols and esters of pentavalent acids of phosphorus;
- and
- C) tribromoneopentyl alcohol;
- said polyols comprising a polyol with a number of hydroxyl groups of not less than 3 and a hydroxyl number in a range of 150 to 850 mg KOH/g;
- wherein the liquid composition is a solution in which (A) the one or more solid flame retardants of Formula (1b) and (C) the tribromoneopentyl alcohol are dissolved in (B) the one or more liquids, with the bromine content of the liquid composition being not less than 25% w/w.
4 more elements
Dependencies are inferred from the claim text.