abstract |
This invention relates to a white or at least near white flame retardant product which is predominant in decarbromodiphenylalkane, and which product contains a minor amount of impurities; to a process for preparation of the flame retardant product; to a process for the removal of excess bromine from the product by use of a treatment solution and elevated temperature; and to macromolecular materials utilizing the product as a flame retardant. |