Protective polyester coatings on phosphatized steel were obtained with different combinations of diols (2-butyl-2-ethyl-1,3-propanediol or 2,2-dimethyl-1,3-propanediol), organic acids (1,3-cyclohexanedicarboxylic acid, 1,4-cyclohexanedicarboxylic acid, hexahydrophthalic acid anhydride or adipic acid) and hexamethoxymethylmelamine as a crosslinking agent. The acid resistance and corrosion stability of these coatings were investigated during exposure to different corrosive agents (30% H2SO4, 3% NaCl) using the acid resistance test, electrochemical impedance spectroscopy (EIS) and measurement of the film thickness, gloss and hardness. It was shown that coatings based on polyesters with more branched structures of the diol (2-butyl-2-ethyl-1,3-propanediol) and of the organic acid (hexahydrophthalic acid anhydride), which enable better crosslinking, exhibit better acid resistance and corrosion stability. Coatings with the optimal polyester/melamine ratio, which is close to the theoretical r...atio for complete crosslinking, also show better protective properties.
TY - JOUR
AU - Mišković-Stanković, Vesna
AU - Đorđević, N
PY - 1998
UR - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/165
AB - Protective polyester coatings on phosphatized steel were obtained with different combinations of diols (2-butyl-2-ethyl-1,3-propanediol or 2,2-dimethyl-1,3-propanediol), organic acids (1,3-cyclohexanedicarboxylic acid, 1,4-cyclohexanedicarboxylic acid, hexahydrophthalic acid anhydride or adipic acid) and hexamethoxymethylmelamine as a crosslinking agent. The acid resistance and corrosion stability of these coatings were investigated during exposure to different corrosive agents (30% H2SO4, 3% NaCl) using the acid resistance test, electrochemical impedance spectroscopy (EIS) and measurement of the film thickness, gloss and hardness. It was shown that coatings based on polyesters with more branched structures of the diol (2-butyl-2-ethyl-1,3-propanediol) and of the organic acid (hexahydrophthalic acid anhydride), which enable better crosslinking, exhibit better acid resistance and corrosion stability. Coatings with the optimal polyester/melamine ratio, which is close to the theoretical ratio for complete crosslinking, also show better protective properties.
PB - Serbian Chemical Society, Belgrade
T2 - Journal of the Serbian Chemical Society
T1 - The acid resistance and corrosion stability of polyester coatings on phosphatized steel
EP - 62
IS - 1
SP - 53
VL - 63
UR - https://hdl.handle.net/21.15107/rcub_technorep_165
ER -
@article{
author = "Mišković-Stanković, Vesna and Đorđević, N",
year = "1998",
abstract = "Protective polyester coatings on phosphatized steel were obtained with different combinations of diols (2-butyl-2-ethyl-1,3-propanediol or 2,2-dimethyl-1,3-propanediol), organic acids (1,3-cyclohexanedicarboxylic acid, 1,4-cyclohexanedicarboxylic acid, hexahydrophthalic acid anhydride or adipic acid) and hexamethoxymethylmelamine as a crosslinking agent. The acid resistance and corrosion stability of these coatings were investigated during exposure to different corrosive agents (30% H2SO4, 3% NaCl) using the acid resistance test, electrochemical impedance spectroscopy (EIS) and measurement of the film thickness, gloss and hardness. It was shown that coatings based on polyesters with more branched structures of the diol (2-butyl-2-ethyl-1,3-propanediol) and of the organic acid (hexahydrophthalic acid anhydride), which enable better crosslinking, exhibit better acid resistance and corrosion stability. Coatings with the optimal polyester/melamine ratio, which is close to the theoretical ratio for complete crosslinking, also show better protective properties.",
publisher = "Serbian Chemical Society, Belgrade",
journal = "Journal of the Serbian Chemical Society",
title = "The acid resistance and corrosion stability of polyester coatings on phosphatized steel",
pages = "62-53",
number = "1",
volume = "63",
url = "https://hdl.handle.net/21.15107/rcub_technorep_165"
}
Mišković-Stanković, V.,& Đorđević, N.. (1998). The acid resistance and corrosion stability of polyester coatings on phosphatized steel. in Journal of the Serbian Chemical Society
Serbian Chemical Society, Belgrade., 63(1), 53-62.
https://hdl.handle.net/21.15107/rcub_technorep_165
Mišković-Stanković V, Đorđević N. The acid resistance and corrosion stability of polyester coatings on phosphatized steel. in Journal of the Serbian Chemical Society. 1998;63(1):53-62.
https://hdl.handle.net/21.15107/rcub_technorep_165 .
Mišković-Stanković, Vesna, Đorđević, N, "The acid resistance and corrosion stability of polyester coatings on phosphatized steel" in Journal of the Serbian Chemical Society, 63, no. 1 (1998):53-62,
https://hdl.handle.net/21.15107/rcub_technorep_165 .
