| abstract |
A FLAME RETARDANT NATURAL OR SYNTHETIC FIBER CONTAINING A COMPOUND OF THE FORMULA X1-(P(=O)(-X2)-Z)N-P(=O)(-X3)-X4 WHEREIN X1, X2, X3 AND X4 REPRESENT OH, ONH4, OCONH2, OCONHCH2OH OR OR1;R, REPRESENTS HYDROCARBON RESIDUE HAVING FROM 1 TO 18 CARBON ATOMS OR SAID HYDROCARBON RESIDUE SUBSTITUTED WITH A HALOGEN OR HYDROXY RADICAL; AT LEAST ONE MEMBER AMONG X1,X2,X3 AND X4 IS OR1 AND AT LEAST ONE MEMBER AMONG THEM IS OCONH2 OR OCONHCH2OH; Z REPRESENTS O, OR2 OR OR2O; R2 REPRESENTS ALKYLENE; AND N IS AN INTEGER FROM 0 TO 20. |