| 摘要 |
PROBLEM TO BE SOLVED: To provide cyclic phosphazenes having extremely low content of halogen without repeating purification, a new method for production of the same, a flame retardant using the same as an active ingredient, a resin composition and a molded article including the same. SOLUTION: The cyclic phosphazenes are expressed by general formula (1), substantially free from halogen (Ar is an aryl group, m is an integer of 3 to 10), and the invention includes the method of producing the same, the flame retardant using the same as the active ingredient, the resin composition and the molded article including the same.
|
