| abstract |
Flameproofed, regenerated cellulose containing as a flameproofing agent a compound of the formula, <IMAGE> in which both Y's, are oxygen or sulphur, both R1's are cyclohexyl or optionally substituted phenyl, or additionally methyl when Y is sulphur, and both R2's are a radical -NR3R4, wherein R3 is hydrogen or alkyl and R4 is alkyl, cyclohexyl or optionally substituted phenyl, or R3 and R4 together with the common nitrogen atom form a saturated heterocyclic ring, with the proviso that when Y is oxygen, R3 is hydrogen and R1 is optionally substituted phenyl, R4 is only optionally substituted phenyl. |