Journal
POLYMERS
Volume 14, Issue 15, Pages -Publisher
MDPI
DOI: 10.3390/polym14153044
Keywords
optical PET; non-thermal crystallization; kinetics
Categories
Funding
- Science and Technology Project of Guangxi [AD21075032]
- Youth Promotion Found of Guangxi [2021KY0359]
- Guangxi University of Science and Technology [20Z02]
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By adding PSLDH to modify PET, excellent optical properties were achieved in the non-isothermal crystallization process, which also guided the processing of optical PET films.
The optical properties of PET have always been a problem that related research has been trying to break through. In the previous work, we modified PET by adding PSLDH (phosphate antioxidant) to obtain a PET film with excellent optical properties. Through non-isothermal crystallization kinetic analysis of modified PET, we hope to verify the conclusion of optical properties by the effect of PSLDH addition on the crystallization properties of PET. PET and PSLDH modified PET were tested by DSC at different cooling rates. The non-isothermal crystallization kinetic process was calculated and analyzed by Jeziorny and Mo methods and the non-isothermal crystallization activation energy was analyzed by Kissinger and Friedman methods by analyzing the DSC curves. The results show that the addition of PSLDH at 0.05 wt% can make the crystallization of PET smaller and slower, which is the same as the case required for excellent optical properties. At the same time, the results can also guide the processing of the optical PET film.
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