Patent ID: 9732241
Date: 2017-08-15
CPC Classifications: B29C,B29K,B33Y,C09D

Claim:
1. A method of printing a three-dimensional article comprising: jetting an ink at a temperature T1 onto a substrate at a temperature T2 to form a layer of the ink on the substrate; and curing the layer of the ink, wherein T1 is greater than T2; wherein the ink in an uncured state has a liquid-gel transition temperature below T1 and above T2; wherein the ink comprises a curable material and a gellant, the gellant comprising a chemical species having one or more terminal olefin moieties linked to a hydrophobic segment by one or more urethane, urea, and/or amide moieties; and wherein the layer of the ink is deposited on the substrate at a rate R1 in mg/s/in