Heat transfer medium based on alkylene glycols for solar units
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United States of America Patent
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Jul 25, 2000
Issued Date -
N/A
app pub date -
Jun 24, 1999
filing date -
Jul 8, 1998
priority date (Note) -
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Abstract
The invention relates to a concentrate for a heat transfer medium for solar units, comprising a) from 45 to 98% by weight of triethylene glycol and/or tetraethylene glycol, b) from 1 to 55% by weight of 1,2-propylene glycol and/or ethylene glycol, and c) from 1 to 6% by weight of corrosion inhibitors. The concentrate is used in admixture with water for heat transport in solar units.
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