| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a badminton racket that is capable of further increasing the speed of a shuttle hit. <P>SOLUTION: The badminton racket includes a carbon fiber prepreg molding. The carbon fiber prepreg molding 15 contains a surface-modified carbon nanotube, and the carbon fiber prepreg molding 15 has a bending strength of ≥1,750 Mpa and a flexural modulus of ≥120 Gpa. <P>COPYRIGHT: (C)2012,JPO&INPIT |
