| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a novel cyclic phosphorus carbonate compound which is excellent in flame retardancy, hardly bleeds out, and when used for a resin composition, is excellent in moldability, and further has improved heat resistance and improved bending elastic modulus. <P>SOLUTION: The compound is a cyclic phosphorus oligomer having a carbonate bond such as a compound represented by formula. <P>COPYRIGHT: (C)2012,JPO&INPIT |
