摘要:
Novel fire retardant compounds are disclosed, which are poly-halogenated TMPI and MPI compounds containing three or more halogen atoms per molecule. A process for the preparation of these compounds and polymeric compositions containing them are also described.
摘要:
A process is described, in which poly(pentabromobenzylester acrylate) is prepared by the thermal bulk polymerization of pentabromobenzylester monoacrylate.A product with excellent properties is obtained with short reaction times and without any additive.
摘要:
Novel flame-retardant composition incorporate as an active ingredient pentabromobenzylester monoacrylate, of a product of its in situ reaction.Articles made of flammable synthetic resins can be rendered flame-retarded by the incorporation of the novel flame-retandant compositions.
摘要:
A process for the preparation of bromo-substituted aromatic esters of .alpha., .beta.-unsaturated acids of the formula ##STR1## wherein n is 1 or 2,x=6'n, andR and R' are hydrogen or alkyl;comprises reacting a salt of .alpha.,.beta.-unsaturated acid and an alkali with a bromo-substituted benzyl halide in an inert substantially water-immiscible solvent and in the presence of a phase-transfer catalyst.