| 摘要 |
Halogen-free, oligomeric or polymeric, alkylene-bridged alkyl phosphonates having the general formula <CHEM> where n is a whole number of from 1 to 20; R<1> and R<5> are each C1 - C6 alkyl; R<2> and R<4> are each C2 - C10 alkyl and R<3> is C2 - C10 alkyl. The use of such phosphonates as, or in connection with, a flame-retardant (e.g. for polyurethane foams, resins and composites, epoxy resins, phenolic resins, paints, varnishes or textiles). |
