Valspar Patents Polyester Powder Compositions

August 13, 2013

U.S. 8,247,492 B2
Valspar Sourcing, Inc. has obtained a patent for a method comprised of providing a powder composition including at least one semi-crystalline or crystalline aromatic laser-sinterable polyester polymers having a melting temperature between 120° C and 220° C, wherein the powder composition has an elastic modulus, when formed into laser sintered ISO 3167 Type 1A multipurpose dog-bone test specimens and tested pursuant to ISO 527, of at least 200 MPa; and selectively laser sintering the powder composition to form a three-dimensional article.