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EP-4735566-A2 - ECOLOGICAL SOLVENT COMPOSITION

EP4735566A2EP 4735566 A2EP4735566 A2EP 4735566A2EP-4735566-A2

Abstract

The current invention relates to an ecologically beneficial solvent composition, said solvent composition comprising a compound of formula (A), wherein X is chosen from O or CH 2 ; Y1 and Y2 are independently of one another chosen from H or a linear or branched C1-C5 alkyl, or Y1 and Y2 together are a keto-group; and R1 is chosen from a linear or branched C1-C20 alkyl. The invention further relates to the use of the solvent composition in a wide range of applications, particularly in cleaning and detergency, as process solvent for separation and reaction medium and as carrier.

Inventors

  • DE MAERE D'AERTRYCKE, Arnold

Assignees

  • Minagro Srl

Dates

Publication Date
20260506
Application Date
20240628

Claims (16)

  1. 1. Solvent composition, said solvent composition comprising a compound of formula (A): wherein X is chosen from O or CH 2 ; Y1 and Y2 are independently of one another chosen from H or a linear or branched C1-C5 alkyl, or Y1 and Y2 together are a keto-group; and R1 is chosen from a linear or branched C1-C20 alkyl.
  2. 2. Solvent composition according to any of the previous claims, wherein Y1 and Y2 are independently of one another chosen from H or a linear or branched C1-C5 alkyl.
  3. 3. Solvent composition according to any of the previous claims, wherein Y1 and Y2 together are a keto-group.
  4. 4. Solvent composition according to any the previous of claims, wherein R1 is chosen from a linear or branched C1-C4 alkyl.
  5. 5. Solvent composition according to any of the previous claims, wherein R1 is butyl, pentyl, hexyl, or heptyl, preferably R1 is n-butyl, n-pentyl, n-hexyl, or n-heptyl butyl or heptyl.
  6. 6. Solvent composition according to any of the previous claims, wherein R1 is pentyl, hexyl, or heptyl.
  7. 7. Solvent composition according to any of the previous claims, wherein R1 is n- pentyl, n-hexyl, or n-heptyl butyl or heptyl.
  8. 8. Solvent composition according to any of the previous claims, wherein said solvent composition comprises said compound of the formula (A) in an amount of at least 0.1 to 99% by weight, preferably 3 to 80% by weight, more preferably 10 to 70% by weight.
  9. 9. Solvent composition according to any of the previous claims, wherein the solvent composition comprises : a compound according to formula (A) in an amount of at least 5 wt.%; and a second solvent, in an amount of at least 5 wt.%, preferably in an amount of at least 50 wt.%, preferably said second solvent is chosen from the list of : water, ethanol, butanol, glycerol, lactate esters preferably butyl lactate, ethyl lactate, methyl lactate and ethylhexyl lactacte, butyrate esters preferably ethyl butyrate, butyl butyrate, methyl butyrate and ethylhexyl butyrate, carbonates preferably ethylene carbonate, propylene carbonate and glycerin carbonates, dimethyl glutarate, dimethyl 2- pentanedionate and methyl 5-dimethylamino-5-oxo-pentanoate, dimethyldecanamide and dimethyloctanamide, n-butyl pyrrolidone and n- octylpyrrolidone and mixtures thereof.
  10. 10. Use of a solvent composition according to any of claims 1-8, for cleaning, preferably for industrial and institutional cleaning.
  11. 11. Use of a solvent composition according to any of claims 1-8, for the application of coatings, preferably for the application of paints, varnishes, lacquers and enamels.
  12. 12. Use of a solvent composition according to any of claims 1-8, for use as lubricant.
  13. 13. Use of a solvent composition according to any of claims 1-8, for use as rheology modifier, preferably for use as rheology modifier or plasticizer in polymers and resins.
  14. 14. Use of a solvent composition according to any of claims 1-8, for use in chemical processing, preferably as solvent for solvent extraction, solvent distillation, chromatography, crystallization processes and as reaction medium.
  15. 15. Use of a solvent composition according to any of claims 1-8, for use in the production of batteries, preferably lithium-ion batteries.
  16. 16. Use of a solvent composition according to any of claims 1-8, for use as carrier of fragrances, dyes or pigments.

Description

ECOLOGICAL SOLVENT COMPOSITION FIELD OF THE INVENTION The present invention relates to a solvent composition comprising a solvent of the formula as described herein below. In a second aspect, the invention relates to beneficial uses of such a solvent composition and / or a solvent of the formula. BACKGROUND Many commercially available solvents are used in a wide range of applications, such as cleaning and detergency, process chemistry for purification, reaction in solvent, as carrier for a wide range of compounds such as paints, coatings, polymers, dyes, fragrances, APIs and so forth. Cleaners incorporate environmentally hazardous and toxic volatile organic compounds (VOCs). It has been found that VOCs are linked to ozone formation and contributed significantly other health hazards. In the printing industry, for example many cleaning solutions contain high VOC solvents include toluene, xylene, methyl ethyl ketone, glycol ethers, tetrachloroethylene, methyl isobutyl ketone, methanol, 1,1,1-trichloroethane, dichloromethane and ethylene glycol. Many ink cleaning compositions contain aromatic groups that are in many cases toxic and are not environmentally friendly in that they do not biodegrade well. Often these solvents will be low vapor pressure solvents with low flashpoints that are also extremely flammable. Such compositions are undesirable in light of the increased awareness for human exposure to toxic materials and the demand for environmentally friendly, non-toxic solvents. However, the drawbacks in utilizing these solvents have not diminished their use. As yet another example, many commercially available graffiti cleaners contain high VOC components. Graffiti includes spray paint, marker and the like. Permanent markers are used on many substrates such as paper, writing boards, plastic panels, etc. It is, however, very difficult to completely remove permanent marker from many of these substrates, in particular plastic substrates. Generally, there is currently no satisfactory environmentally friendly cleaner for removing permanent marking pen from these substrate surfaces. Most of the commercially available "eco-friendly" cleaners are generally formulated for cleaning house-hold stains such as pen, crayons, pencils, lipsticks, washable marker and the like, but are not strong enough for hard-to-clean stains such as permanent marker and the like. In addition, even if such cleaners can clean most of the permanent ink from the substrate, in most cases there remains some visible markings on the substrates. On the other hand, other cleaners contain hazardous or aggressive solvents such as NMP (N-methyl pyrrolidinone). These kinds of cleaners may pose health hazards, fire hazards and have strong odors. It is also possible that aggressive formulation may permanently damage the applied-upon substrates. The availability of environmentally friendly solvents, however, is limited because such alternatives generally do not provide satisfactory performance or are cost prohibitive. A better ecotox profile often leads to a compromise in performance. Because many solvents are flammable and toxic to health, there is a need to develop provide improved solvent solutions. In recent years, there has been a growing global emphasis on sustainability and reducing the environmental impact of industrial processes and products. This has led to an increased desire for the development and utilization of bio-based solvents, which are derived from renewable resources and offer a more environmentally friendly alternative to traditional petroleum-based solvents. Some examples of biobased solvents currently used in industry include those derived from biomass, particularly ethanol, butanol, glycerol and fatty acids, as well as their esters. These bio-based solvents pave the way for more sustainable use of solvents, and thus more eco-friendly products and processes across a wide range of sectors. However, the aforementioned solvents have a range of issues including limited solvency compared to petroleum-based counterparts, high volatility resulting in high evaporation rates and difficulties maintaining stable formulations, high water content as well as being hygroscopic, limited compatibility with a wide range of materials and formulations. The present invention aims to resolve at least some of the problems and disadvantages mentioned above. SUMMARY OF THE INVENTION The present invention and embodiments thereof serve to provide a solution to one or more of above-mentioned disadvantages. To this end, the present invention relates to a solvent composition according to claim 1. Preferred embodiments of the composition are shown in any of the claims 2 to 9. In a second aspect, the present invention relates to the use of the solvent composition in particular applications as shown in any of the claims 10-15. In a third aspect, the present invention relates to a compound according to formula (A), as defined in claim 1, preferably for use as solv