| Study on Formulas and Properties of TPU/PLA Composites |
| Received:November 04, 2020 Revised:November 04, 2020 |
| DOI：10.12136/j.issn.1000-890X.2022.06.0439 |
| Key Words: TPU；PLA；composite；DBP；naphthenic oil；plasticizer；titanate coupling agent |
| Author Name | Affiliation | E-mail | | DONG Yanmao* | Suzhou University of Science and Technology | dongyanmao@163.com | | ZHONG Wenxin | Suzhou University of Science and Technology | | | ZHOU Xing | Suzhou University of Science and Technology | | | LI Jihang | Suzhou University of Science and Technology | | | YUAN Yan | Suzhou University of Science and Technology | |
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| Abstract: |
| Thermoplastic polyurethane elastomer（TPU）/polylactic acid（PLA） composites were prepared by extrusion molding，and the effect of plasticizer dibutyl phthalate（DBP），naphthenic oil and titanate coupling agent TCA-101 on the mechanical properties and thermal properties of the composites were investigated.The results showed that，DBP and naphthenic oil had good plasticizing effect on the TPU/PLA composites，and their addition was beneficial to the extrusion processing of the composites，but DBP would reduce the mechanical properties of the composites.Titanate coupling agent TCA-101 had good reinforcing effect on the composites. When the dosages of TPU，PLA and naphthenic oil were 178，20 and 2 g，respectively，the tensile strength of the composites reached 100. 54 MPa，and the elongation at break reached 429%. |
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