| abstract |
The invention discloses a kind of Oligomer phosphonate and its production and use, this Oligomer phosphonate comprises at least one phosphonate compound with formula I structure, wherein Rn 1 for phenyl or methyl, Rn 2 and Rn 3 for respective independently alkyl, assorted alkyl, aryl or heteroaryl, n is the integer of 1 to 20, and Z is the structure with A, B, C, D, E, F or G that formula II is listed.This Oligomer phosphonate is applicable to the fire-retardant of styrene resin, vibrin, polymeric amide, polyolefine and unsaturated polyester, has desirable flame retardant effect and processing characteristics.n <!--1--> |