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Lasting high surface energy co‐polyester ionomer and its application in laminated tin‐free steel
Author(s) -
Ding Liping,
Bai Yongping,
Cao Jianyun,
Wang Lipeng,
Sun Shuai,
Zhu Peng,
Li Ning
Publication year - 2017
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.45174
Subject(s) - polyester , materials science , scanning electron microscope , differential scanning calorimetry , composite material , corrosion , thermogravimetry , tin , lamination , ethylene glycol , ethylene , surface energy , contact angle , chemical engineering , metallurgy , layer (electronics) , organic chemistry , chemistry , physics , engineering , thermodynamics , catalysis
A lasting high surface energy co‐polyester poly[ethylene terephthalate‐ co ‐ethylene isophthalate sodiosulfonate‐ co ‐poly(ethylene glycol)] polyester (PEPST) was synthesized and applied in laminated tin‐free steel (TFS). The structures and properties of the co‐polyester were characterized by nuclear magnetic spectra ( 1 H‐NMR), thermogravimetry, differential scanning calorimetry, polarized optical microscopy, and surface energy tests. Meanwhile, the peel strength and corrosion resistance of the co‐polyester film were also measured. The results confirm that an improvement in the lamination temperature leads to PEPST film peel strength increases, and crystalline and corrosion resistance decrease. Based on the purpose of reducing a detrimental effect on corrosion resistance, a reasonable lamination temperature was determined. Scanning electron microscope and energy dispersive X‐ray analysis prove the interface combination morphology of laminated TFS. Anticorrosion property analysis shows PEPST film has good anticorrosion performance. © 2017 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2017 , 134 , 45174.