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Silane coupling agent pretreatment and polycaprolactone coating enhance the corrosion resistance of magnesium

 Last Update: 2020-11-09
 Source: Internet
 Author: User

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To solve the problem of rapid corrosion of magnesium (Mg) alloys, biodegradable polymer membranes with KH550 polyhexed esters (PCLs) with KH550 as silane coupled agents (SCA) are applied to the Mg substrate.
use electrochemical tests (momentum polarization curves and electrochemical impedance spectrum) and impregnation tests (hydrogen evaluation tests and scratch tests) to analyze the effects of coatings.
Corrosion resistance greatly improved
electrochemical tests showed that corrosion resistance was greatly improved, and impregnation tests showed that the connection between PCL and Mg substations was enhanced,especially in scratch tests, thus demonstrating a significant improvement in corrosion resistance of SCA pre-treated PCL polymers . Sample.
, SCA pre-treated PCL is a promising coating that reduces degradation behavior of the Mg substrate.
the study was published in Journal of Coatings Technology and Research, volume 16.

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