C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
400/7063, 400/70
C08K 5/53 (2006.01) C07F 9/40 (2006.01) C08K 5/5317 (2006.01)
Patent
CA 1308510
ABSTRACT Flame Retardant Polymer Composition Containing Phosponic Acid Salts The invention provides a composition comprising a halogen-free polymer and as flame retardant at least a metal or metalloid salt of a phosphonic acid of the general formula I: Image (I) in which R is a straight or branched chain alkyl group having 1 to 3 carbon atoms optionally substituted by one or more of halogen atoms or hydroxyl groups; and R' is hydrogen or an alkyl group having 1 to 3 carbon atoms, and wherein the metal or metalloid is selected from Groups IIA, IIB, IIIA, IVA and VA of the Period Chart of Elements.
536552
Dellar Richard J.
Richardson Norman
Ag Ciba-Geigy
Dellar Richard J.
Fetherstonhaugh & Co.
Richardson Joyce
Richardson Norman
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