| abstract |
The flame retardant resin composition comprises a base resin (A) such as polyester, polyamide or polycarbonate resin, and the following formulas (I), (II) and (III): Wherein A is selected from O, S, SO 2 , a single bond, alkyl, and —CH 2 —P 1 , where P 1 is the formula: Wherein R 1 and R 2 are the same or different, each selected from H, O-alkyl, O-aryl, alkyl, aryl, and OM, R 3 is H or alkyl, and M = Na, K, Zn, Al, Ca, a is an integer of 0-4, n is an integer of 1-100,000, provided that it is at least 1 unit for each polymer chain, m is It is an integer from 0 to 100,000. ) An organic phosphorus compound (B) having at least one of the following. |