Flame retardants for polymers

Details Flame retardants for polymers Flame retardants for polymers

C - Chemistry, Metallurgy

07

F

400/3080, 260/43

C07F 9/32 (2006.01) C07F 9/40 (2006.01) C08K 5/5333 (2006.01) C08L 51/00 (2006.01) C08L 71/12 (2006.01) C08L 81/02 (2006.01) C08L 101/00 (2006.01)

Patent

CA 2039468

A-18019/A/MA 1994 Flame Retardants for Polymers ABSTRACT OF THE DISCLOSURE A reaction of alumina trihydrate, dimethyl methylphosphonate and a phosphonic acid of formula Image I where R1 denotes an alkyl group of 1 to 4 carbon atoms, optionally substituted by at least one group selected from a hydroxyl group, a carboxyl group or a phosphonic acid group -P(O)(OH)2, or a C6 to C12 aryl group and R2 denotes a hydrogen atom or an alkyl group of 1 to 4 carbon atoms, is useful as a flame retardant for polymers.

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