US 11,912,851 B2
Polyolefins having improved dimensional stability in three-dimensional printing, articles formed therefrom, and methods thereof
Juliana Breda Soares, Triunfo (BR); Michelle K. Sing, Stoneham, MA (US); Jacob Fallon, São Paulo (BR); Alexandre di Pintor da Luz, Camaçari (BR); Leonardo Ito, Triunfo (BR); and Hadi Mohammadi, Philadelphia, PA (US)
Assigned to Braskem America, Inc., Philadelphia, PA (US)
Filed by Braskem America, Inc., Philadelphia, PA (US)
Filed on May 14, 2021, as Appl. No. 17/321,108.
Claims priority of provisional application 63/025,597, filed on May 15, 2020.
Prior Publication US 2021/0355309 A1, Nov. 18, 2021
Int. Cl. C08L 23/16 (2006.01); B33Y 70/10 (2020.01); B33Y 10/00 (2015.01); B33Y 30/00 (2015.01); B29C 64/118 (2017.01); C08L 23/08 (2006.01); C08L 23/14 (2006.01); B29K 23/00 (2006.01); C08K 3/34 (2006.01)
CPC C08L 23/16 (2013.01) [B29C 64/118 (2017.08); B33Y 10/00 (2014.12); B33Y 30/00 (2014.12); B33Y 70/10 (2020.01); C08L 23/0815 (2013.01); C08L 23/14 (2013.01); B29K 2023/06 (2013.01); B29K 2023/14 (2013.01); B29K 2023/16 (2013.01); C08K 3/34 (2013.01); C08L 2205/24 (2013.01); C08L 2207/02 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A three-dimensional printed article formed from a compounded polymer composition, wherein the three-dimensional printed article his a unidimensional shrinkage of less than 1.0% in each of a flow direction and a normal to the flow direction, an isotropic shrinkage ratio in a range of 0.8 to 1.2, a coefficient of linear thermal expansion, measured according to ASTM E381 at 100° C., of less than 150 μm/m ° C.