Heat-transfer fluid with low conductivity comprising an amide inhibitor, methods for its preparation and uses thereof
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United States of America Patent
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Mar 30, 2023
app pub date -
Feb 10, 2021
filing date -
Feb 10, 2021
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Abstract
The present invention relates to heat-transfer fluids with low conductivity which comprise a base fluid and at least one aliphatic carboxamide and are useful for diverse applications, for example in fuel cells. it was found that aliphatic carboxamides significantly outperform aromatic carboxamides with regard to maintaining low conductivity upon aging at increased temperatures. Furthermore, it was surprisingly found that the compositions in accordance with the invention are capable of maintaining this low electrical conductivity upon aging at increased temperatures in the presence of aluminum substrates.
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