Organic phosphorus compounds and flame-retarded resin compositio

Details Organic phosphorus compounds and flame-retarded resin compositio Organic phosphorus compounds and flame-retarded resin compositio

1994-03-10

1995-03-28

Hoke, Veronica P.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

558 79, C07F 96574, C08K 5527

Patent

active

054017882

ABSTRACT:
Organic phosphorus compounds of the formula (I): ##STR1## wherein R.sub.1 and R.sub.2 are, the same or different, a C.sub.1-8 straight chain or branched chain alkyl group, an optionally substituted C.sub.6-12 aryl group; and A represents a bond, a lower alkylene group or --(OCH.sub.2 CH.sub.2).sub.n -- group, (n is an integer of 1 to 5), which are useful as flame-retardants.

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Noda et al.., "Phosphorus-Containing Flame Retardants"; Pap. Fire Retard. Chem. Assoc. [Semi-Annu. Meet] (PFRMDK); 79; (Int. Oppor Fire Retard.: Regul., New Dev., Toxic) pp. 220-246, Mitsui Toatsu Chem. Inc.
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Chemistry and Uses of Fire Retardants-J. Lyons (1970 pp. 1, 2.
Kunstoffe (German Plastics) 76 (1986) 10 pp. 943-947.

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