| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide: a polyester composition having less clouding degree even if it is thin-molded and excellent in tensile strength and tensile modulus of elasticity; its manufacturing method; and a thin bottle obtained by melting-molding the polyester composition. <P>SOLUTION: In the polyester composition comprising aromatic polyester and spherical silica, an average particle diameter of the spherical silica is 20-180 nm, and 0.01-0.6 wt.% of the spherical silica is contained based on the whole weight of the polyester composition. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
