The present disclosure is drawn to food contact compliant three-dimensional printing kits and systems. In one example, a multi-fluid kit of food contact compliant agents for three-dimensional printing can include a food contact compliant fusing agent and a food contact compliant detailing agent. The fusing agent can include from about 70 wt % to about 96 wt % water, a food contact compliant carbon black dispersion in an amount of from about 3 wt % to about 10 wt % by solids weight of the carbon black dispersion, and food grade propylene glycol in an amount from about 1 wt % to about 15 wt %. The detailing agent can include from about 70 wt % to about 90 wt % water, food grade propylene glycol in an amount from about 10 wt % to about 25 wt %, and a food contact compliant chelating compound in an amount of from about 0.01 wt % to about 1 wt %.

The present disclosure is drawn to food contact compliant three-dimensional printing kits, materials, compositions, systems, and methods. In some examples, described herein is an example of a multi-fluid kit for three-dimensional printing comprising: a food contact compliant fusing agent comprising: at least about 70 wt % water based on the total weight of the food contact compliant fusing agent, food contact compliant carbon black dispersion in an amount of from about 3 wt % to about 10 wt % based on the total weight of the food contact compliant fusing agent, and at least one food contact compliant water soluble first co-solvent present in the food contact compliant fusing agent in an amount of from about 1 wt % to about 25 wt % based on the total weight of the food contact compliant fusing agent.

The present disclosure is drawn to food contact compliant three-dimensional printing kits, materials, compositions, systems, and methods. In some examples, described herein is an example of a multi-fluid kit for three-dimensional printing comprising: a food contact compliant fusing agent comprising: at least about 70 wt % water based on the total weight of the food contact compliant fusing agent, food contact compliant carbon black dispersion in an amount of from about 3 wt % to about 10 wt % based on the total weight of the food contact compliant fusing agent, and at least one food contact compliant water soluble first co-solvent present in the food contact compliant fusing agent in an amount of from about 1 wt % to about 25 wt % based on the total weight of the food contact compliant fusing agent.

An aqueous coating composition comprising (a) from 12.5% to 87% by weight based on the weight of the aqueous coating composition, of a film-forming polymer; (b) from 9.5% to 85% by weight based on the weight of the film-forming polymer, of a specific oligomer; and (c) from 2.5% to 50% by weight based on the weight of the film-forming polymer, of beads with a mean particle size of from 5.0 to 10.5 μm; and a process for preparing the aqueous coating composition.

An aqueous coating composition comprising (a) from 12.5% to 87% by weight based on the weight of the aqueous coating composition, of a film-forming polymer; (b) from 9.5% to 85% by weight based on the weight of the film-forming polymer, of a specific oligomer; and (c) from 2.5% to 50% by weight based on the weight of the film-forming polymer, of beads with a mean particle size of from 5.0 to 10.5 μm; and a process for preparing the aqueous coating composition.

The present disclosure is directed to provide an aqueous anticorrosive coating composition capable of imparting a good corrosion resistance to various metal bases. The aqueous anticorrosive coating composition of the present disclosure is an aqueous anticorrosive coating composition containing an aqueous base component (I) and an aqueous curing agent (II), wherein the aqueous base component (I) contains an aqueous epoxy resin dispersion (A) and an inorganic anticorrosive pigment (B), and the aqueous curing agent (II) contains an aromatic group-containing polyamine compound (D) and a thiazole-based compound (C).

The present disclosure is directed to provide an aqueous anticorrosive coating composition capable of imparting a good corrosion resistance to various metal bases. The aqueous anticorrosive coating composition of the present disclosure is an aqueous anticorrosive coating composition containing an aqueous base component (I) and an aqueous curing agent (II), wherein the aqueous base component (I) contains an aqueous epoxy resin dispersion (A) and an inorganic anticorrosive pigment (B), and the aqueous curing agent (II) contains an aromatic group-containing polyamine compound (D) and a thiazole-based compound (C).

The present invention provides a hard coating film, comprising a transparent substrate; and a hard coating layer formed on at least one surface of the transparent substrate, wherein the hard coating film has a pencil hardness of 4H or more as measured by a load of 1 kg and satisfies the physical property defined by the following mathematical formula 1, and an image display device using the same. The hard coating film according to the present invention exhibits excellent bending resistance while having high hardness, thereby permitting its repetitive folding.

A/B×100<50%  [Mathematical Formula 1] wherein, A represents the area of strain regions from 0 to 1% in a stress-strain curve, and B represents the total area under the stress-strain curve.

A dielectric nanolubricant composition is provided. The dielectric nanolubricant composition includes a nano-engineered lubricant additive dispersed in a base. The nano-engineered lubricant additive may include a plurality of solid lubricant nanostructures having an open-ended architecture and an organic, inorganic, and/or polymeric medium intercalated in the nanostructures and/or encapsulate nanostructures. The base may include a grease or oil such as silicone grease or oil, lithium complex grease, lithium grease, calcium sulfonate grease, silica thickened perfluoropolyether (PFPE) grease or PFPE oil, for example. This dielectric nanolubricant composition provides better corrosion and water resistance, high dielectric strength, longer material life, more inert chemistries, better surface protection and asperity penetration, no curing, no staining, and environmentally friendly, compared to current products in the market.

According to some embodiments, a structural colorant is provided including a semi-continuous structure formed by multiple layers of a first polymer. In some embodiments, air gaps are interspersed between the layers of the first polymer. In some embodiments, a second polymer is interspersed between the layers of the first polymer. In some embodiments, the semi-continuous structure has a center and at least two planes of symmetry through its center.