| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a superior method of molding a hollow container comprising polyethylene terephthalate capable of carrying out continuous blow molding without cleaning a mold for a long period of time, in which productivity is enhanced, cost is lowered, and working environment is enhanced. <P>SOLUTION: In the method, the hollow containers are continuously molded 10,000 times or more part per mold without cleaning the blow molding mold using polyethylene terephthalate polymerized using a phenol group containing phosphorous compound and aluminium compound as a catalyst or polyethylene terephthalate polymerized using aluminium salt of phenol group containing phosphorous compound as the catalyst. <P>COPYRIGHT: (C)2012,JPO&INPIT |
