New-phosphorus-containing compounds

Details New-phosphorus-containing compounds New-phosphorus-containing compounds

C - Chemistry, Metallurgy

08

G

402/188, 402/314

C08G 63/20 (2006.01) C08G 63/68 (2006.01) C08G 79/04 (2006.01) C08J 5/00 (2006.01)

Patent

CA 1075848

ABSTRACT Compounds of formula Image R1 being an ester-forming -COOR4, -OR5 or -OCOR6 group wherein R4 is hydrogen, carbonyl or a C1 to 10 hydrocarbon group which may contain hydroxyl or carboxyl, R5 is hydrogen or a C1 to 10 hydrocarbon group which may contain hydroxyl or carboxyl, and R6 is a C1 to 10 hydrocarbon group which may contain hydroxyl or carboxyl, R2 and R3 are independently halogen or C1 to 10 hydrocarbon group; A is divalent or trivalent C1 to 8 hydrocarbon group: and n1 is 1 or 2, and n2 and n3 ar each 0-4. Said compounds serve as flame retardants during polymerization which can be conducted under normal reaction conditions.

323655

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