Abstract: An aqueous pre-treatment liquid for use in ink jet printing includes water and magnesium-disulfamate. Such pre-treatment composition is non-yellowing and crystal-free and shows good jetting properties. These properties are retained even when a solid co-solvent is added to the composition for anti-curl improvement, thereby enabling to provide non-yellowing pre-treatment liquids with good jetting properties and anti-curl behavior.

Abstract: Compostable seaweed-based thin films, and associated systems and methods are disclosed herein. In some embodiments, an exemplary seaweed-based thin film comprises a seaweed-based composition comprising agar, alginate, carrageenan, semi-refined seaweed, and/or unprocessed seaweed; an agent comprising glycerin, sorbitol, sodium lignosulphonate, potassium lignosulphonate, calcium lignosulphonate, ammonium lignosulphonate, lignosulphonate, citric acid, ascorbic acid, ethylene glycol, polyethylene glycol, polyglyceride fatty acid esters, guar gum, tributyl citrate, and/or propylene glycol; and water. The seaweed-based composition can comprise 50-90 wt % of the seaweed-based thin film, the agent can comprise no more than 40 wt % of the seaweed-based thin film, and the water can comprise 0.1-50 wt % of the seaweed-based thin film.

Abstract: A tattoo ink particularly useful for light skin. The tattoo ink includes one or more pigment in a carrier solution. The carrier solution includes polyvinyl alcohol, water, ethanol, and a humectant. The humectant may be glycerin or polypropylene glycol or a blend of thereof. The carrier solution may also include witch hazel extract. The polyvinyl alcohol may have a molecular weight range of 30,000 to 85,000 and be at least 98% hydrolyzed.

Abstract: A composition which conditions a surface for electroless deposition of a metal is disclosed. The composition comprises a polymer surfactant comprising repeating units of a monomer, wherein each of the repeating units comprises a functional group; a metal ion; and water, wherein the functional group in each of the repeating units forms a complex with the metal ion. In a preferred embodiment, the functional group is amine, and the surfactant comprises polyethyleneimine and/or polyallylamine. The metal ion comprises cobalt, rhodium, palladium or silver. A method of forming the composition as well as a method of electroless deposition using the composition are also disclosed.

Abstract: Shaped ceramic abrasive particles include a first surface having a perimeter having a perimeter comprising at least first and second edges. A first region of the perimeter includes the second edge and extends inwardly and terminates at two corners defining first and second acute interior angles. The perimeter has at most four corners that define acute interior angles. A second surface is disposed opposite, and not contacting, the first surface. A peripheral surface is disposed between and connects the first and second surfaces. The peripheral surface has a first predetermined shape. Methods of making the shaped ceramic abrasive particles, and abrasive articles including them are also disclosed.

Abstract: A water-based coil coating without amine neutralization includes the following components in percent by weight: an amine-free waterborne resin: 88-93%, a crosslinking resin: 4-9%, a first auxiliary: 0.5%, a second auxiliary: 0.5%, a third auxiliary: 2.0%, and a diluent. A solid content in the water-based coil coating is greater than 40%. A solid content ratio of the amine-free waterborne resin to the crosslinking resin is in a range of 4-9. The water-based coil coating does not include amine neutralizing agents, not only possesses performance equivalent to or even exceeding that of oil-based coatings, but also greatly reduces VOC emissions, allowing for direct exhaust of tail gases. Wastewater treatment is extremely simple, and there is no pollution from ammonia nitrogen and nitrogen oxides. Downstream coating enterprises have a very high acceptance of the water-based coil coating without the amine neutralization.

Abstract: An aqueous inkjet ink containing a pigment, a binder resin, a water-soluble organic solvent, a surfactant and water, wherein the binder resin contains, as structural units, an aqueous resin containing a structure derived from an ethylenically unsaturated monomer containing an acid group and a structure derived from an ethylenically unsaturated monomer containing a hydroxyl group, the resin has a weight average molecular weight of 5,000 to 45,000, and a glass transition temperature of 35 to 110° C., the water-soluble organic solvent contains a first water-soluble organic solvent having an SP value of 8.5 to 13 (cal/cm3)1/2, and does not contain a second water-soluble organic solvent having a boiling point at 1 atmosphere of 235° C. or higher, and the surfactant contains an acetylene-based surfactant.

Abstract: The present invention relates to the field of coatings on high-energy materials, devices or products that comprise the coated high-energy materials, functional coating materials and methods for producing and using the same. In particular, the present invention relates to energetic materials having initiated release coatings to improve the performance and shelf-life of the devices, products and/or raw materials, suitable for use as energetics or propellants for munitions, rockets, pyrotechnics, flares or other devices or components.

Abstract: A pretreatment liquid is a pretreatment liquid to be used for a pretreatment that is performed on an impermeable base material before an image is recorded on the impermeable base material, including a resin and an aqueous medium, in which the resin has at least one selected from the group consisting of a structural unit (1), and a structural unit (2), a glass transition temperature of the resin is ?40° C. or higher and lower than 100° C., and a content of an alkyl (meth)acrylate unit containing a C2 or more chain alkyl group in the resin is less than 5% by mass. In the formulae, R2 represents a hydrogen atom or a C1 to C4 alkyl group, A2 represents —NH— or —N(L4-Y4)—, L2 and L4 represent a divalent group or a single bond, L3 represents a divalent group, Y2 and Y4 represent a monovalent group such as an alkyl group, and Y3 represents a monovalent group such as —OH.

Abstract: A target apparatus including: a base; a V-shaped member having first and second ends, the second end connected to the base; a first cleat, configured to connect to one or more inflated balloons, fixed to the V-shaped member; wherein the V-shaped member includes first and second members; the first member having first and second edges; wherein the second member has a first and second edges; wherein the first edges of the first and second members are fixed together; wherein the second edges of the first and second members are separated by a gap; and wherein the first cleat is fixed to the V-shaped member so that at least part of the first cleat is between the first and second members. The target apparatus further includes a first ring fixed to the first V-shaped member so that at least part of the first ring is between the first and second members.

Abstract: A method of direct printing or writing of a metallic material involves depositing, with a printing device or writing device, an ink comprising of at least undercooled liquid metallic particles dispersed in a carrier fluid. The ink is deposited on any substrate surface to deposit the undercooled liquid metal particles thereon as one or more layers that can form a desired pattern or layered structure.

Abstract: An explosive mixture compositionally comprises a powdered deuteride of an alkaline earth metal or alkali metal mixed with a catalytic mixture, wherein said catalytic mixture comprises red phosphorous powder and a transition metal powder from Period 4 or Period 5 of the Periodic table.

Abstract: An ink composition is an ink composition including titanium dioxide particles, metal oxide particles, a dispersant, and water, in which an average particle diameter of the titanium dioxide particles is 100 nm or greater, an average particle diameter of the metal oxide particles is smaller than the average particle diameter of the titanium dioxide particles, and the metal oxide particles are oxide particles of at least one metal selected from the group consisting of zirconium, aluminum, silicon, zinc, and iron.

Abstract: An aqueous dispersion of a capsule composed of a polymeric shell surrounding a core, the shell comprising a silanol containing compound or condensation product thereof covalently bonded to the polymer of the shell. The aqueous dispersion can be used in an aqueous inkjet ink composition.

Abstract: The present invention concerns a process for preparing in situ an aqueous gel ink with variable color comprising the following steps: (i) preparing a gel-based matrix of aqueous ink comprising 0.005 to 0.1 mol·L?1 of ester(s) of retinol represented by formula (I), and (ii) adding a solution of 0.002 to 0.05 mol·L?1 silver salts (Ag+) to the gel-based matrix of aqueous ink prepared in step (i), to obtain an aqueous gel ink with variable color with silver nanoparticles dispersed therein. The present invention also relates to an aqueous gel ink with variable color obtained according to the process of the invention, comprising said ester of retinol represented by formula (I) and silver nanoparticles. The invention finally concerns a writing instrument comprising an aqueous gel ink with variable color according to the invention.

Abstract: The present disclosure includes a white ink composition including a liquid vehicle with water and organic co-solvent, from 0.5 wt % to 15 wt % white metal oxide particles dispersed in the liquid vehicle, and from 0.1 wt % to 30 wt % of polyurethane particles dispersed in the liquid vehicle. The polyurethane particles include a polyurethane polymer with polymerized sulfonated-diamines, polymerized nonionic diamines, and isocyanate-generated self-crosslinked amines.

Abstract: Novel reaction media for electron donating and electron accepting components in colour-change compositions are described. The compound is of formula (I): wherein R1, and R2 are selected from a linear or branched alkyl group, alkenyl group, alkoxy group, aryl group and an alkylene aryl group having from 6 to 22 carbon atoms; X1 and X2 are selected from —OC(O)-, —CO2- and O; R3, R4 and R5 are selected from hydrogen and an linear or branched alkyl group, cycloalkyl group, alkenyl group, alkoxy group, aryl and alkylene aryl group; R6 is selected from hydrogen, R3, —X1R1 and aryl and halogen; Y1 Y2 Y3 and Y4 are selected from hydrogen, R3, —OR3 and halogen; a is 0 to 4; b is 0 or 1; x and y are independently is 0 or 1 provided that where x and y are 0, a is 0 and b is 1 and R6 is —CO2R1; and wherein when a is 0 and b is 1 and R5 or R6 is phenyl, R6 and R5 respectively are not hydrogen or C1-7 alkyl.

Abstract: Reverse photochromic ink formulations containing at least one reverse photochromic colorant, methods of erasing reverse photochromic ink formulations by exposing them to UV light, and writing instruments including a writing tip portion connected to a light-shielding tubular member or refill and a reverse photochromic ink formulation are provided herein.

Abstract: Liquid dispersions of quantum dot particles include an acrylic medium having a boiling point in a range of from greater than or equal to 100° C. to less than or equal to 500° C., quantum dot particles dispersed in the acrylic medium, a photo-initiator, and a surface additive. The liquid dispersions of quantum dot particles are useful as stable liquid formulations that resist gelling for spin-coating and ink-jet printing of color conversion layers in the manufacture of LED and micro-LED panels for advanced displays. Methods of manufacturing light-emitting devices using the liquid dispersions of quantum dot particles are also disclosed.

Abstract: Disclosed herein are ink compositions for making a conductive copper structure. The ink composition comprise a copper metal precursor compound, a chelating agent, and a reducing agent. In some embodiments, the redox potential of the reducing agent is adjusted for controlled reduction of copper ion in the copper metal precursor to metal copper metal. Also disclosed herein are methods for making the ink compositions and methods for using the same.