Semiconductor-Oxides Nanotubes-Based Composite Particles Useful for Dye-Removal and Process Thereof, has been described in this invention, which relates to an innovative method, involving an ion-exchange mechanism operating under the dark-condition in an aqueous solution, for the processing of innovative products consisting of the nanotubes of semiconductor-oxides deposited on (or anchored to or attached to) the surface of flyash particles and metal-oxide (magnetic and non-magnetic) nanoparticles. The resulting micro-nano and nano-nano integrated composite particles find potential application in the removal of an organic synthetic-dye from an aqueous solution and industry effluent via the surface-adsorption process, involving the ion-exchange and electrostatic-attraction mechanisms, operating in the dark-condition. The novel composite particles can be recycled for the next-cycle of dye-adsorption by decomposing the previously adsorbed-dye on their surfaces via an innovative approach involving the use of either noble-metal-deposited photocatalyst or a magnetically separable magnetic photocatalyst and an exposure to the ultraviolet (UV) or solar-radiation.

Disclosed are antimicrobial sacrificial floor coatings systems including an antimicrobial sacrificial floor coating composition capable of reducing and/or preventing gram positive and gram negative bacterial growth on floors. Also disclosed is an antimicrobial sacrificial floor coating remover being readily capable of removing the antimicrobial sacrificial floor coating as desired from previously treated flooring surfaces. In certain aspects, the antimicrobial sacrificial floor coatings can include a nonionic acrylic polymer; a nonionic wax; and a cationic alkyl biguanide or salt thereof. The antimicrobial sacrificial floor coating may further include a cationic wax that further stabilizes the system during storage, application, and/or post-application to a floor surface. The antimicrobial sacrificial floor coating composition has a pH of less than 7 while exhibiting continuous antimicrobial properties from full cure on a floor surface up to 1 year post-application to the floor surface at a minimum contact time of 1 hour.

Provided is an aqueous maintenance liquid for use in maintenance of an ink jet recording apparatus ejecting an ink composition. The ink composition is an aqueous ink composition containing a coloring material. The maintenance liquid contains an organic amine and an organic solvent other than the organic amine. The organic solvent contains Polyol A with a normal boiling point of 250? C. or lower. The content of Polyol A is greater than 20.0% by mass with respect to the total amount of the maintenance liquid. The content of the organic amine is 0.3% by mass or more with respect to the total amount of the maintenance liquid. The total content of the organic solvent is less than 30.0% by mass with respect to the total amount of the maintenance liquid. The organic solvent does not contain Polyol B with a normal boiling point of higher than 250? C. in an amount of greater than 1.0% by mass with respect to the total amount of the maintenance liquid.

Embodiments of the present disclosure are directed to additive manufacturing apparatuses, cleaning stations incorporated therein, and methods of cleaning using the cleaning stations.

The present invention relates to a slip-based process for producing a component which provides the use of a washout agent for removing excess material, and a device for carrying out the process according to the invention.

A composition for paint removal and methods of making and of using the composition are provided. The composition comprises tetrahydrofuran (THF), an amine with a molar volume of <100 cm.sup.3/mol, and a solvent.

The present invention concerns a kit comprising a) an aqueous writing ink composition, containingmetal nanoparticles as coloring agent wherein said metal nanoparticles essentially consists of metal and said metal is chosen from silver, gold, aluminum and/or copper anda dispersing agent, and b) an eradicator fluid containing at least one oxidizing agent. It also concerns an aqueous eradicator fluid for erasing an aqueous writing ink composition containing metal nanoparticles as the coloring agent, in which said metal nanoparticles said fluid containingan oxidizing agent anda volatile solvent. It further concerns a writing instrument containing the eradicator fluid, the use of the eradicator fluid and/or of the kit containing it and a method of correcting errors of a written mark made on porous substrate.

The present invention concerns a kit comprising a) an aqueous writing ink composition, containingmetal nanoparticles as coloring agent wherein said metal nanoparticles essentially consists of metal and said metal is chosen from silver, gold, aluminum and/or copper anda dispersing agent, and b) an eradicator fluid containing at least one oxidizing agent. It also concerns an aqueous eradicator fluid for erasing an aqueous writing ink composition containing metal nanoparticles as the coloring agent, in which said metal nanoparticles said fluid containingan oxidizing agent anda volatile solvent. It further concerns a writing instrument containing the eradicator fluid, the use of the eradicator fluid and/or of the kit containing it and a method of correcting errors of a written mark made on porous substrate.

A composition for paint removal and methods of making and of using the composition are provided. The composition comprises tetrahydrofuran (THF), an amine with a molar volume of <100 cm.sup.3/mol, and a solvent.

To provide a technique of continuously imparting favorable water-repellent performance to a vehicle exterior member for a long period.

A method for setting a condition for recoating a vehicle exterior member with a water-repellent coating film, the method including: a peeling step of peeling a water-repellent coating film formed on a surface of the vehicle exterior member; a recoating step of forming a water-repellent coating film onto the surface to obtain a coating-film-formed vehicle exterior member, the recoating step being subsequent to the peeling step; and an assessment step of adhering a test liquid drop onto the water-repellent coating film formed through the recoating step, and making a water-repellency assessment, wherein the assessment step includes making, when a fall-off angle of the test liquid drop is not greater than 20?, an assessment that a recoating condition used in the peeling step and the recoating step is an acceptable recoating condition.