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Effect of Transesterification on the Physical Properties of Poly(butylene terephthalate)/Poly(ethylene terephthalate) Blends
| Content Provider | Semantic Scholar |
|---|---|
| Author | Hoy-Kap, Kim Jun-Kung, Kim Soon-Ho, Lim Kun-Wong, Lee Min, Park Jung Ho-Jong, Kang |
| Copyright Year | 2006 |
| Abstract | The effect of transesterification on the rheological properties in the melt reactive blending of poly(butylene terephthalate)(PBT) with poly(ethylene terephthalate)(PET) has been studied. The melt viscosity depression in PBT was found in PBT/PET blends due to the intrinsic low melt viscosity of PET compared to PBT. In addition, the thermal degradation in the melt blending and transesterification between two polyesters were considered as other factors for the lowering of the melt viscosity in the blends. In the PBT/PET blends, calcium stearate was less effective than in PBT as a lubricant, however, it accelerated both the thermal degradation and transesterification during melt blending. As a result, further melt viscosity drop was obtained in the reactive melt blending of PBT/PET. |
| Starting Page | 118 |
| Ending Page | 123 |
| Page Count | 6 |
| File Format | PDF HTM / HTML |
| Volume Number | 30 |
| Alternate Webpage(s) | https://www.cheric.org/PDF/PK/PK30/PK30-2-0118.pdf |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
