| 摘要 |
Nanoparticle phosphorous containing flame preventive agent (A) comprises a phosphinic acid salt (I), diphosphinic salt (II) and/or their polymer. Nanoparticle phosphorous containing flame preventive agent (A) comprises a phosphinic acid salt of formula (I), diphosphinic salt of formula (II) and/or their polymer. R1>, R2>1-6C-alkyl or aryl; R3>1-10C alkylene, 6-10C arylene, -alkylarylene or -arylalkene; M : Mg, Ca, Al, Sb, Sn, Ge, Ti, Fe, Zr, Zn, Ce, Bi, Sr, Mn, Li, Na, K and/or protonated nitrogen base; and m, n, x : 1-4. An independent claim is also included for the preparation of (A). [Image] |
