Non-scorching flame retardant polyurethane compositions

C - Chemistry – Metallurgy – 07 – F

Patent

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400/7405, 260/46

C07F 9/09 (2006.01) C08J 9/00 (2006.01) C08K 5/52 (2006.01) C08K 5/521 (2006.01)

Patent

CA 1064955

Abstract of the Disclosure Novel triesters of pentavalent phosphorus acid having the formula: Image wherein X is chlorine, bromine, or hydrogen; Z1 and Z2 arc indepen- dently selected from bromine, chlorine, or hydrogen; R1 is methyl, chloromethyl, bromomethyl or hydrogen; and R2 is methyl, chloro- methyl or hydrogen, except that R2 is chloromethyl when R1 is bromomethyl, and non-scorching plastic composition containing polyurethanes and said triesters of pentavalent phosphorus acid.

281684

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