Methods include producing a gelled sanitizer composition, including preparing a hydrating fluid composition including water and one or more of alcohol and peroxide; preparing a hydratable additive; and combining the hydrating fluid composition and the hydratable additive to produce a gelled composition. Methods also include flowing a hydrating liquid composition in an extensional flow regime through an elongated passageway of an extender, wherein the hydrating liquid composition includes water and a C2-C10 solvent, and a flow rate of the hydrating liquid composition and a diameter of the elongated passageway are sufficient to achieve a Reynolds number of 20,000 or greater; and adding a hydratable additive to the hydrating liquid composition in the elongated passageway to produce a mixture comprising the hydratable additive that is at least partially hydrated.

A novel alumina gel is described having an elevated dispersibility index, and in particular a dispersibility index greater than 70%, a crystallite size between 1 and 35 nm, and a sulphur content between 0.001% and 2% by weight, and a sodium content between 0.001% and 2% by weight, the weight percentages being expressed in relation to the total mass of alumina gel. The present invention also discloses the method for preparing said gel comprising at least one step of precipitating at least one aluminium salt, at least one step of heating the suspension obtained and a final heat treatment step for forming the alumina gel.

Provided herein is a method of forming a bicontinuous intraphase jammed emulsion gel.

A method for manufacturing an aerogel sheet according to the present invention includes: a step (a) of preparing a blanket having a plate shape; a step (b) of mixing silica sol with gelling catalyst to prepare a silica sol precursor; and a step (c) of injecting the silica sol precursor prepared in the step (b) to a surface of the blanket prepared in the step (a) through an injection device to gelate the silica sol precursor, wherein, in the step (c), the injection device injects the silica sol precursor while moving from one side to the other side of the surface of the blanket.

Provided is a silica aerogel with enhanced physical properties. The silica aerogel can have a tap density of 0.030 to 0.070 g/mL, and a carbon content of 11.2 to 12.1 wt %.

Methods for reversibly forming graphene oxide gels by reacting graphene oxide dispersed in an aqueous solution with organic amines or quaternary phosphonium salts. Also provided are methods of forming anhydrous graphene oxide dispersions.

In an aspect, a method for making a metal-containing material comprises steps of: forming a metal-containing hydrogel from an aqueous precursor mixture using a photopolymerization; wherein the aqueous precursor mixture comprises water, one or more aqueous photosensitive binders, and one or more aqueous metal salts; and thermally treating the metal-containing hydrogel to form the metal-containing material; wherein the metal-containing hydrogel is exposed to a thermal-treatment atmosphere during the step of thermally treating; wherein a composition of the metal-containing material is at least partially determined by a composition of the thermal-treatment atmosphere during the thermally treating step.

A self-supporting aerogel structure is provided. The structure comprises a plurality of aerogel particles adhered together with an adhesive to produce a material exhibiting low heat transfer and high transmission of visible light. The aerogel particles can be coated with a polymer or pre-polymer and remain free flowing until they are activated to complete polymerization.

The present invention relates to a method for producing a silica aerogel and a silica aerogel produced thereby. More specifically, a first water glass solution is used to form a first silica wet gel, and then a second water glass solution is additionally added to form a second silica wet gel organically bonded to the first silica wet gel which serves as a basic skeleton, so that a silica aerogel with enhanced physical properties is formed to increase the resistance to shrinkage in ambient drying. Thus, a low-density silica aerogel may be formed, and the concentrations of the first and second water glass solutions may be adjusted to control the physical properties of the silica aerogel.

A temperature-responsive hydrogel exhibiting a high viscosity at a high temperature, a low viscosity at a low temperature and a high ratio of the viscosity at a high temperature to the viscosity at a low temperature produced by mixing of an aqueous solution containing a polyalkylene glycol having an average molecular weight of 20,000 to 10,000,000 with an aqueous dispersion containing a silicate salt so as to achieve a specific compositional range of the components in the hydrogel, at a mass concentration of A of 0.01 to 1.5% by mass, at a mass concentration of A of 0.1 to 0.4% by mass and at a mass concentration of B of 0.5 to 10% by mass, at a mass concentration of B of 1 to 5% by mass, with the mass ratio R of A to B (R=(mass of A)/(mass of B)) within the range of 0.01 to 0.5.