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...

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Bibliographic Details
Main Authors DONATE, Felipe A, WACHOWICZ, Rebecca J
Format Patent
LanguageEnglish
French
German
Published 01.03.2023
Subjects
ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES
CANDLES
CHEMISTRY
DETERGENTS
ESSENTIAL OILS
FATTY ACIDS THEREFROM
METALLURGY
PERFUMES
PRODUCING (PRESSING, EXTRACTION), REFINING AND PRESERVINGFATS, FATTY SUBSTANCES (e.g. LANOLIN), FATTY OILS AND WAXES,INCLUDING EXTRACTION FROM WASTE MATERIALS
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Summary: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.
Bibliography:Application Number: EP20210714049