Non-fluorinated water-repellent surface treatment composition with excellent beading properties and method for manufacturing the same

Non-fluorinated water-repellent composition incorporating a beading agent into organopolysiloxane sol

This technology is a non-fluorinated water-repellent surface treatment composition formulated by combining an organopolysiloxane sol—prepared from silicone precursors and crosslinking agents—with a fatty acid amide-based beading agent, an acid catalyst, and an aqueous solvent.

Fluorine-based water repellents pose environmental and safety concerns, and it has historically been difficult to achieve both high water repellency and effective beading (the ability of water droplets to roll off) without the use of fluorine.

By incorporating a beading agent into a non-fluorinated siloxane sol, this technology simultaneously enhances both water repellency and beading, providing an eco-friendly water-repellent solution for textile and surface treatment applications.

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Key Features:

• Organopolysiloxane sol, a water-repellent component produced by adding a reactive silicone polymer solution to a mixture of silicone precursors, silicone-based crosslinking agents, and an aqueous solvent.
• Beading agent composed of N-polyoxyalkylenated fatty acid amide, either alone or in combination with O-alkylated polyglucoside.
• Acid catalyst selected from one or more organic or inorganic acids to accelerate the reaction of the composition.
• Aqueous solvent that ensures uniform dispersion of the water-repellent component and the beading agent within the composition.

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