PROCESS FOR MAKING AN AMINOSILOXANE POLYMER NANOEMULSION

• Main Authors: SCHUSTER, Stefanie, WHITING, Patrick Brian, MERGET, Markus, VETTER, Nicholas David, BECKER, Richard, FLITER, Kristi Lynn, BROENING, Harry William, WIMMER, Franz, SELBERTINGER, Ernst, SIVIK, Mark Robert
• Format: Patent
• Language: English; French; German
• Published: 07.06.2017
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; GENERAL PROCESSES OF COMPOUNDING; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; WORKING-UP

The present invention provides a method of making a nanoemulsion comprising the steps of: a) solubilizing a silicone resin in an organic solvent system to yield a silicone resin solution concentration of about 80% or less, wherein the organic solvent system comprises a single solvent selected from the group consisting of monoalcohols, polyalcohols, ethers of monoalcohols, ethers of polyalcohols, fatty esters, Guerbet alcohols, isoparaffins, naphthols, glycol ethers, provided that if the solvent is a glycol ether it is not diethyleneglycol monobutyl ether; b) mixing the silicone resin solution from a) with an aminosiloxane polymer to obtain an aminosiloxane polymer:silicone resin mixture having ratio of about 20:1; c) allowing the aminosiloxane polymer:silicone resin mixture to age for at least about 6 hours at ambient temperature; d) adding the aminosiloxane polymer:silicone resin mixture to a vessel; e) optionally adding with agitation an additional organic solvent to the aminosiloxane polymer:silicone resin mixture; f) mixing until homogenous; g) adding a protonating agent; h) additionally adding an aqueous carrier in an amount to produce the desired concentration of emulsion; and a nanoemulsion preparable by said method.