Flame retardant concentrates and process for their preparation

Details Flame retardant concentrates and process for their preparation Flame retardant concentrates and process for their preparation

C - Chemistry, Metallurgy

08

K

C08K 5/59 (2006.01) C08J 3/22 (2006.01) C08K 5/00 (2006.01)

Patent

CA 2053766

ABSTRACT concentrate of a flame retardant additive, in the form of nonextruded particles, each one comprising: A) a matrix of a nonextruded, as polymerized particle, preferably spheroidal, of a polymer or copolymer of olefins having porosity greater than or equal to 15%, expressed as a percent of the void volume on the total volume of the particle, B) the product of reaction between bismuth or antimony trichloride or tribromide, or their mixtures, and one or more amines; wherein said product (B) is made "in situ" and deposited on the surface of the matrix and inside the pores thereof. (HM 4073 EST) - 1 -

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