| 摘要 |
<p>Cyclic phosphazenes of the general formula (I) excellent as flame retardants for resins, which are characterized by being substantially free from linear phsophazenes of the general formula (II) and having an extremely lowered halogen content; a process for preparing them; flame retardants containing the same as the active ingredient; and resin compositions and molded articles, containing the flame retardants: (I) [wherein Q is halogeno and/or aryloxy; and m is an integer of 3 to 10] (II) [wherein Q is halogeno and/or aryloxy; and n is an integer of 1 to 20].</p> |
