| 摘要 |
A flame-retardant resin composition comprises a base resin (A), such as a polyester, polyamide or polycarbonate resin, and an organophosphorus compound (B) having at least one of the following formulas (I), (II) and (III):;
where A is selected from O, S, SO2, a single bond, alkyl, and —CH2—P1; P1 is a phosphorus-containing group of the formula:
;
R1 and R2 are the same or different and each is selected from H, O-alkyl, O-aryl, alkyl, aryl, and OM; R3 is H or alkyl; M=Na, K, Zn, Al, Ca; a is an integer from 0 to 4, provided that a is at least 1 unit for each polymer chain; n is an integer from 1 to 100,000 and m is an integer from 0 to 100,000. |
| 主权项 |
1. A flame-retardant resin composition comprising a polyamide base resin (A), and one or more organophosphorus compound (B) of formulas V, VII or VIII: wherein n is an integer from 1 to 100,000, and (C) at least one flame retardant adjuvant material selected from the group consisting of melamine salts, inorganic metal compounds and clay compounds. |
