High-Performance Optical PET Analysis via Non-Isothermal Crystallization Kinetics

Author:

Qu Dezhi,Cai Jiayang,Huang Fei,Zhang Jinyu,Zuo Huajiang,Sun Shuai,Liu Jinghua,Bai Yongping

Abstract

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.

Funder

Science and Technology Project of Guangxi

Publisher

MDPI AG

Subject

Polymers and Plastics,General Chemistry

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