| Autor: |
Anna Héri-Szuchács, József Gábor Kovács |
| Jazyk: |
angličtina |
| Rok vydání: |
2024 |
| Předmět: |
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| Zdroj: |
Polymer Testing, Vol 139, Iss , Pp 108579- (2024) |
| Druh dokumentu: |
article |
| ISSN: |
1873-2348 |
| DOI: |
10.1016/j.polymertesting.2024.108579 |
| Popis: |
Injection molding is widely used in the plastics manufacturing industry. However, there is a need to better understand and calculate the bonding strength between the injection-molded part and the insert, especially for semi-crystalline polymers. The weldability of semi-crystalline polymers differs from that of amorphous polymers. Semi-crystalline polymers cannot heal until they reach their glass transition temperature, unlike amorphous polymers, as the crystalline particles prevent molecule motion below this temperature. To account for this difference, we have developed a method that takes into effect the crystalline parts of semi-crystalline polymers in the calculation of healing. We used polypropylene (PP) in our experiments, and calculated healing with a new method based on the method we previously described for the healing of amorphous polymers. |
| Databáze: |
Directory of Open Access Journals |
| Externí odkaz: |
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Full Text from ScienceDirect