| 摘要 |
{PG,1 Novel esters of pentavalent phosphorus acid having the formula {r1 {tc,1 {rb {m,1 {s,15 R{40 {AB,4 O{AB,2 {M,2 {AB,E {SB,50 R{AB,4 O{MR,2 {MX,1 {US,5 {M,1 {OB,5 {MR,2 {AD,0 O{MR,2 P{AB,4 O{AB,4 CH{HD 2{AB,44 {M,3 {SB,31 {MY,1 {CB,5 {S,6 {BL,88 {HD n{mr,3 C{AB,4 {M,4 {SB,14 {8 {MR,4 CH{HD 2{L X{9 {HD 4-n{re {PS {PS WHEREIN R and R{40 {0 are haloalkyl containing from 2 to 6 carbon atoms and from 1 to 6 halogen atoms; n is an integer of from 1 to 3; each X is independently selected from hydrogen, halogen, alkyl, or hydroxyl, provided that at least one X is hydroxyl. The above compounds are effective reactive flame retardants in polyurethane and polyester polymeric compositions.
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