Certain configurations of systems and methods to print a decorative design on a surface of a lightweight reinforced thermoplastic article are described. In certain instances, the lightweight reinforced thermoplastic article can include a printable surface designed to receive ink or other colorants.

Provided is a process for obtaining a film or film-forming article. The process includes a) providing a solvent system comprising at least one molecule bearing a sulfoxide function, where the solvent system has a water content of less than 1000 ppm by weight and having a pH of greater than or equal to 6. The process also includes b) preparing a polymer solution, either by dissolving the polymers in the solvent system or by synthesizing the polymers in the solvent system. The process also includes c) removing the solvent system to obtain the film or the film-forming article.

A process for the preparation of an aromatic polyimide substrate for optical displays that can be carried out during the manufacture of a display, which includes the steps of coating a solution of an aromatic tetracarboxylic acid or an aromatic tetracarboxylic acid derivative and a low molecular weight polyamic acid on a solid support and subsequent heating. The polyamic acid is prepared from non-stoichiometric amounts of 3,3,4,4-biphenyltetracarboxylic dianhydride and p-phenylenediamine.

Ink compositions are provided for using solvent-based additive manufacturing (SBAM) techniques to form contactor structures and/or structures for use in an adsorption or absorption contactor. Methods forming a contactor using SBAM are also provided. The ink compositions can include a substantial content of adsorbent particles to provide enhanced adsorption by a contactor. Metal organic framework (MOF) structures and zeotype framework structures are examples of types of adsorbent particles that can be incorporated into an ink composition for forming a contactor structure by SBAM. The ink can further include a polymeric component that can serve as the structural component of a polymeric structural material produced by the additive manufacturing method. Such a structural material can correspond to a polymeric material with incorporated adsorbent particles. In some aspects, the polymeric structural material and/or the adsorbent particles can have selectivity for adsorption of CO.sub.2 from a process fluid flow.

A manufacturing method for a polymer substrate plate includes: prefabricating at least one lightweight polymer material selected from a plastic material, a rubber material or combination thereof; prefabricating at least one solvent selected from a single solvent or a mixed solvent; mixing and stirring the lightweight polymer material with the solvent at room temperature to obtain a mixed polymer material; extrusion forming and hardening the mixed polymer material to form at least one imitating material-pattern surface having at least one imitating material pattern to obtain an imitating material-pattern colloidal plate.

The present invention relates to a freeze-drying mold and a method for manufacturing water-soluble polymer balls using the same, more specifically to a freeze-drying mold that is provided with a first mold having a plurality of first accommodation grooves formed on underside thereof and a plurality of discharge portions formed on top thereof to communicate with the plurality of first accommodation grooves and a second mold having a plurality of second accommodation grooves formed on top thereof to be facingly coupled to the plurality of first accommodation grooves of the first mold to thus provide a plurality of accommodation portions, and a method for manufacturing water-soluble polymer balls using the same. According to the present invention, the freeze-drying mold is capable of controlling the shrinkage rate of a solution in a freeze-drying process to make freeze-dried spherical materials, easily separating the made freeze-dried materials therefrom, and optimizing a drying efficiency thereof, and the method for manufacturing water-soluble polymer balls using the same is carried out so that the water-soluble polymer balls are constant in pore sizes and distributions, have high strength, and do not have any films on the surfaces thereof.

The disclosure is directed at an extrusion printable cellulose-based nanocomposite and method of making same. In some embodiments, the disclosure is directed at a cellulose-based ink or nanocomposite that can be used by a three-dimensional (3D) extrusion-type printer to fabricate or print a 3D object. In some embodiments, the disclosure includes cellulose acetate (CA) that is dissolved in a solvent or solvent mixture to produce a CA solution to which cellulose nanocrystals (CNCs) are then added to prepare the ink or nanocomposite of the disclosure.

A method of making a syntactic-foam part includes loading low-density spheres into a mold. The method also includes introducing a first resin into the mold. The method further includes coating the low-density spheres with the first resin to form a coating, made of the first resin, around an entirety of each one of the low-density spheres. The method additionally includes solidifying the first resin after the first resin is coated on the low-density spheres. The method also includes solidifying the second resin after the second resin fills the mold.

A method of producing a nonlinear optical device is provided. In a surface of a semiconductor substrate, a recessed part is formed. In an environment under reduced pressure, the first liquid material is filled into the recessed part. A second liquid material is brought into contact with a first liquid material filled in the recessed part, and thereby a third liquid material is prepared. The third liquid material is solidified, and thereby an embedded portion is formed. The first liquid material includes a first solute and a first solvent, or the first liquid material consists of the first solvent. The second liquid material includes a second solute and a second solvent. The second solute includes a nonlinear optical polymer. The concentration of the second solute in the second liquid material is higher than the concentration of the first solute in the first liquid material.

A method of forming a three-dimensional object is described. The method may use a polymerizable liquid, or resin, useful for the production by additive manufacturing of a three-dimensional object, comprising a mixture of (i) a light polymerizable liquid first component, and (ii) a second solidifiable component that is different from said first component.