| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a PET blend article which can realize a higher strength and an improved heat resistance, with a higher rate of crystallization and excellent molding and processing characteristics. SOLUTION: Polyethylene terephthalate and polytrimethylene terephthalate are melted and kneaded at a temperature higher than the melting point of the polyethylene terephthalate by 35-100 deg.C for 1-10 min to prepare a melt mixture, which is molded and processed at 250-300 deg.C for 0.1-5 min.</p> |
