Methods of printing a three-dimensional object using co-reactive components are disclosed. Thermosetting compositions for three-dimensional printing are also enclosed.

Disclosed are microcapsule compositions each comprising a microcapsule suspended in an aqueous phase and a viscosity control agent, wherein the viscosity control agent is an acrylate copolymer, a cationic acrylamide copolymer, or a polysaccharide. Also disclosed are consumer products containing such a microcapsule composition.

The present disclosure relates to a two-component, solvent-based coating composition comprising i) a base component comprising one or more polyesterdiols with a hydroxyl value in the range of from 150 to 500 mg KOH/g and one or more organosilane-modified inorganic fillers, and ii) a polyisocyanate curing component. Said composition can be formulated such that it has a viscosity suitable for spray application (low viscosity under high shear rate) and yield coatings with very good erosion resistance. The present disclosure further relates to a method for coating a substrate using said two-component coating composition, to a coated substrate obtainable by such method, and to use of such coating composition for improving erosion resistance of a substrate.

The present disclosure provides a two-component solventless adhesive composition comprising a polyol component and an isocyanate component. The polyol component comprises a phosphate functional compound, and at least one polyol selected from polyester, polyether, and the combination thereof; and the isocyanate component comprises isocyanate prepolymer that is the reaction product of at least one isocyanate monomer and at least one polyol selected from polyester, polyether, and the combination thereof.

The present invention relates to a process for preparing a polyisocyanate composition containing urethane groups, and to the polyisocyanate compositions containing urethane groups that are obtained or obtainable by this process.

The present invention relates to a coating composition, a coating method and use of the composition, and a product coated with the coating composition. The coating composition comprises: (a) an isocyanate-reactive component comprising: (a1) at least one polyaspartic ester, and (a2) optionally a polyetheraspartic ester; (b) an isocyanate component comprising: (b1) at least one isocyanate prepolymer having an isocyanate group equivalent of 300 to 1100, and (b2) at least one isocyanate oligomer containing not less than two isocyanate groups, the weight ratio of the isocyanate prepolymer (b1) to the isocyanate oligomer (b2) being from 1:4 to 4:1; (c) a catalyst; and (d) optionally an additive; wherein the coating composition has a molar ratio of isocyanate groups to isocyanate-reactive groups of 1.5:1 to 8:1. The coating composition provided by the present invention has a long pot life, and the resulting coating has the advantages of fast drying and high hardness.

Nanoporous three-dimensional networks of polyurethane particles, e.g., polyurethane aerogels, and methods of preparation are presented herein. Such nanoporous networks may include polyurethane particles made up of linked polyisocyanate and polyol monomers. In some cases, greater than about 95% of the linkages between the polyisocyanate monomers and the polyol monomers are urethane linkages. To prepare such networks, a mixture including polyisocyanate monomers (e.g., diisocyanates, triisocyanates), polyol monomers (diols, triols), and a solvent is provided. The polyisocyanate and polyol monomers may be aliphatic or aromatic. A polyurethane catalyst is added to the mixture causing formation of linkages between the polyisocyanate monomers and the polyol monomers. Phase separation of particles from the reaction medium can be controlled to enable formation of polyurethane networks with desirable nanomorphologies, specific surface area, and mechanical properties. Various properties of such networks of polyurethane particles (e.g., strength, stiffness, flexibility, thermal conductivity) may be tailored depending on which monomers are provided in the reaction.

Quinolines, polyquinolines, polybenzoquinolines, molecular segments of fullerenes and graphene nanoribbons, and graphene nanoribbons and processes for producing such materials are provided. The processes utilize a form of an aza-Diels-Alder (Povarov) reaction to first form quinolines and/or polyquinolines. In some such embodiments polyquinolines thus produced are used to form graphene nanoribbon precursors, and molecular segments and graphene nanoribbons. In many such embodiments the graphene nanoribbone precursors are formed from polybenzoquinolines.

Provided are a polarizing plate and an optical display device comprising the same, wherein the polarizing plate has a polarizing film, a first adhesive layer, a first optical compensation layer, a second adhesive layer, and a second optical compensation layer laminated successively, and elastic modulus measured by a microindenter at 25° C. on the surface of the second optical compensation layer with regard to the polarizing plate is about 100 MPa to about 1000 MPa.

Stable polyurea microcapsule compositions suitable for encapsulating aldehydes with a low viscosity. Also disclosed are consumer products containing such a composition and its preparation methods.