ENA study of possible improvement in formulation design practices for optimized performance of Zn and Al pigmented epoxy coatings

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F25794787%3A_____%2F19%3AN0000006" target="_blank" >RIV/25794787:_____/19:N0000006 - isvavai.cz</a>
Result on the web
<a href="https://www.confer.cz/metal/2019/876-ena-study-of-possible-improvement-in-formulation-design-practices-for-optimized-performance-of-zn-and-al-pigmented-epoxy-coatings" target="_blank" >https://www.confer.cz/metal/2019/876-ena-study-of-possible-improvement-in-formulation-design-practices-for-optimized-performance-of-zn-and-al-pigmented-epoxy-coatings</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.37904/metal.2019.876" target="_blank" >10.37904/metal.2019.876</a>

Result language
angličtina
Original language name
ENA study of possible improvement in formulation design practices for optimized performance of Zn and Al pigmented epoxy coatings
Original language description
The effect of the ratio of the pigment volume concentration (PVC) to the critical pigment concentration (CPVC) belongs to well-known formulation design practices for optimized performance of pigmented organic coatings. The influence of this ratio in Zn an Al pigmented epoxy coatings on delamination kinetics of underlying steel has been investigated by electrochemical noise analysis (ENA) during 168 hrs immersion tests in 0.05 M NaCl. Two different Zn and Al pigmented epoxy coatings were prepared with different PVC/CPVC values but with the same vol. % Zn:Al ratio as well as with the same binder and hardener types applied. ENA was used to provide information about possible effect of PVC/CPVC values on delaminated corroding area time development in tested coating/steel systems. It has been concluded that in these systems it is recommended the use of certain low PVC/CVPC value in order to obtain high resistance to possible coating delamination from the metallic surface.
Czech name
—
Czech description
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Project
—
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2019
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
METAL 2019 - 28th International Conference on Metallurgy and Materials, Conference Proceedings
ISBN
978-808729492-5
ISSN
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e-ISSN
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Number of pages
6
Pages from-to
1010-1015
Publisher name
TANGER Ltd.
Place of publication
Ostrava
Event location
Brno
Event date
May 22, 2019
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
000539487400165

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