| 摘要 |
PROBLEM TO BE SOLVED: To provide an evaluation method for a blow molding which can precisely evaluate the strength of a connection part of a blow molding.SOLUTION: In an evaluation method for a blow molding, the bonding degree of a first polymer is visualized in a connection part of a blow molding where the first polymer and a second polymer having lower crystallinity than that of the first polymer are laminated, whereby the strength of the connection part of the blow molding is evaluated. |
