The present invention relates to a composition for forming a sol-gel coating on a metal surface, to the use of this composition for forming a sol-gel coating for improving the corrosion resistance and adhesion of a metal surface composed of any type of metals, to a process for preparing the composition, and to a kit for preparing the composition.
C09D 1/00 - Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
C09D 4/00 - Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond
C23C 18/12 - Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coatingContact plating by thermal decomposition characterised by the deposition of inorganic material other than metallic material
The invention relates to a method for dry cleaning textile articles using a composite solvent comprising multiple components and for recycling the used composite solvent for re-use, said method including: e) a dry cleaning cycle in which the textile articles to be cleaned are brought into contact with the composite solvent; f) recovery of the used composite solvent contaminated by water and dirt at the end of the dry cleaning cycle; g) treatment of the used composite solvent such as to remove at least the water and dirt; h) recycling of at least part of the composite solvent treated in step (c) for use in another dry cleaning cycle. The method is characterised in that it also comprises a step (e) of re-adjusting the composition of the composite solvent recycled in step (d) in which: the part of the component(s) of the composite solvent that was lost during step (c) is determined, and at least said determined part of the component(s) of the composite solvent that was lost during step (c) is incorporated into the composition of the composite solvent recycled in step (d).
The invention relates to a unit for dry cleaning textile articles using a composite solvent comprising multiple components, said unit including: a dry cleaning chamber (1) configured to mix the textile articles to be cleaned with the composite solvent during a cleaning cycle; a device (7) for recovering the used composite solvent after a cleaning cycle; a treatment device (8) for removing water and dirt and recycling at least part of the used composite solvent in order to use same in another dry cleaning cycle. The unit is characterised in that it also comprises a re-adjustment device (9) for re-adjusting the composition of the recycled composite solvent, incorporating therein at least the part of the component(s) that was lost in the treatment device (8), said re-adjustment device comprising at least: a buffer tank (10) provided with at least one supply inlet (10a) for the recycled composite solvent, at least one supply inlet (10b) for at least the part of the component(s) of the composite solvent to be introduced into the buffer tank (10) in order to re-adjust the composition of the recycled composite solvent, and at least one outlet (10c) for the re-adjusted and recycled composite solvent, said outlet (10c) being connected to the storage tank (5) for the dry cleaning composite solvent; a storage tank (11) for one or more components of the dry cleaning composite solvent; and a metering pump (14) for metering the quantity of the component(s) of the composite solvent to be introduced into the buffer tank (10) through the inlet (10b) in order to re-adjust the composition of the recycled composite solvent, said pump being linked upstream to at least one storage tank (11) containing one or more components of the dry cleaning composite solvent.
The invention concerns a composition for dry-cleaning textile articles, characterised in that it is anhydrous and in that it comprises, as an active cleaning agent: dipropylene glycol monomethyl ether, an amphiphilic solvent A chosen from the group consisting of dipropylene glycol mono-n-propyl ether, dipropylene glycol mono-n-butyl ether, dipropylene glycol mono-tert-butyl ether or the mixtures thereof, and at least one dibasic ester B having a KB index higher than 30 and represented by the following general formula (I): R-O-C(=O)-(CH2)n-C(=O)-O-R' (I) in which n is a whole number between 1 and 9; R and R' are identical or different, each separately representing an alkyl group having 1 to 6 carbon atoms, or an alkenyl group having 2 to 6 carbon atoms.
D06L 1/04 - Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods using organic solvents combined with specific additives
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