3results about How to "High quality printing" patented technology

The present invention provides an ink set which comprises a first ink composition that contains a coloring agent, a surfactant in an amount of A1 mass%, a hydrophobic organic solvent in an amount of A2 mass%, and water, the first ink composition being used for the purpose of forming a first image, and a second ink composition that contains a coloring agent, a surfactant in an amount of B1 mass%, a hydrophobic organic solvent in an amount of B2 mass%, and water, the second ink composition being used for the purpose of forming a second image on the first image, wherein: the surfactant is a specific silicone-based surfactant; the octanol / water partition coefficient of the hydrophobic organic solvent is not less than 2.00 but less than 3.50; and the following formula 0.05 ≤ (0.5 × (B1 - A1) + (B2 -A2)) ≤ 0.70 is satisfied. The present invention also provides: an inkjet recording method which uses this ink set; an ink medium set which comprises this ink set and a printing medium; and a printing medium on which a print is made with use of this ink set.

A polyester monofilament which exhibits a fiber size of 3.0-13.0 dtex, a strength of 5.0-9.0 cN / dtex, and a strength at 5% elongation of 2.7-6.0 cN / dtex, wherein the total length L of an abnormal section in which the fiber diameter equals 110% or more of the fiber diameter elsewhere along 1,000,000 m of the fiber in the lengthwise direction is no more than 2,000 mm. Provided is a polyester monofilament which exhibits high fiber diameter uniformity while also having high strength and a high modulus which are suitable for a very fine high mesh filter and a high mesh screen gauze for high-quality printing.

This invention discloses a digital light-processing 3D printing photocurable resin composition, its printing method, and its applications. The digital light-processing 3D printing photocurable resin composition includes a crosslinking agent, a monomer, a chain transfer agent, and a photoacid. By introducing a thioacetal compound as a chain transfer agent, this invention constructs a photoinitiated cationic degenerate chain transfer polymerization system under the action of a photoacid catalyst, achieving active / controllable regulation of the polymerization process. The photocurable resin composition provided by this invention has a simple composition, requires no complex synthetic reagents, and can fundamentally eliminate oxygen inhibition, achieving rapid and high-precision 3D printing with a maximum printing resolution of 57 μm.