SOLVENT COMPOSITIONS WITH ANTIOXIDANTS

The present invention relates to solvent compositions and processes for inhibiting the generation of peroxide in glycol ether solvents. In one aspect, a solvent composition comprises at least one glycol ether, at least one antioxidant containing a hindered phenol, wherein the concentration of the an...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Donate, Felipe A, Wachowicz, Rebecca J
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The present invention relates to solvent compositions and processes for inhibiting the generation of peroxide in glycol ether solvents. In one aspect, a solvent composition comprises at least one glycol ether, at least one antioxidant containing a hindered phenol, wherein the concentration of the antioxidant in the solvent composition is less than or equal to 1,000 ppm by weight, and a peroxide, wherein the concentration of the peroxide in the solvent composition is less than 20 ppm, and wherein the APHA color index of the solvent composition is less than 25.