| 摘要 |
<p>The invention relates to the use of a phosphorous compound of formula (I) as a flame retardant, wherein the symbols of formula (I) have the following meanings: a group Y is -P(=X2)SR3R4, H, a straight-chain or branched C1-C12 alkyl group, C5-C6 cycloalkyl, C6-C12 aryl, benzyl, wherein the four last cited groups are unsubstituted or substituted by one or more radicals from the group<sub/>C1-C4 alkyl<sub/>or<sub/>C2-C4 alkenylene; R1, R2, R3 and R4 are the same or different hydrogen, OH, C1-C16-Alkyl, C2- C16-Alkenyl, C1-C16-Alkoxy, C2-C16-Alkenoxy, C3-C10-Cycloalkyl, C3-C10-Cycloalkoxy, C6-C10-Aryl, C6-C10-Aryloxy, C6-C10-Aryl-C1- C16-Alkyl, C6-C10-Aryl-C1-C16- Alkoxy, SR9 COR10, COOR11, CONR12R13 or two radicals R1, R2, R3, R4 form a ring system together with the phosphorous atom to which they are bound or the group P-O-A-O-P; R5, R6, R7, and R8 are the same or different H, C1-C16-Alkyl, C2-C16-Alkenyl, C1-C16-Alkoxy, C2-C16-Alkenoxy; R9, R10, R11, R12, and R13 are the same or different H d-de-Alkyl, C2-C16- Alkenyl, C6-C10-Aryl, C6-C10-Aryl-C1-C16- Alkyl,, C6-C10- Aryl-C1-C16-Alkoxy; X1, and X2 are the same or different S or O; r, and s are the same or different 0 or 1; and X3, X4, X5, and X6 are the same or different S or O and n is a whole number from 1 to 50.</p> |
