	US 11,718,735 B2
	Method of 3D printing, and resulting article having porous structure
Alessandro Bernardi, Pittsburgh, PA (US); Peter Dias, Pittsburgh, PA (US); Barbara Iria Mano, Sao Paulo (BR); and Juliana Breda Soares, Sao Paulo (BR)
Assigned to Braskem America, Inc., Philadelphia, PA (US)
Appl. No. 16/954,829
Filed by Braskem America, Inc., Pittsburgh, PA (US)
PCT Filed Dec. 21, 2018, PCT No. PCT/US2018/066990 § 371(c)(1), (2) Date Jun. 17, 2020, PCT Pub. No. WO2019/126602, PCT Pub. Date Jun. 27, 2019.
Claims priority of provisional application 62/609,797, filed on Dec. 22, 2017.
Prior Publication US 2021/0087372 A1, Mar. 25, 2021
Int. Cl. C08L 23/06 (2006.01); B33Y 70/00 (2020.01); B33Y 10/00 (2015.01); B29C 64/153 (2017.01); B29K 23/00 (2006.01)

CPC C08L 23/06 (2013.01) [B33Y 70/00 (2014.12); B29C 64/153 (2017.08); B29K 2023/065 (2013.01); B29K 2023/0683 (2013.01); B33Y 10/00 (2014.12); C08L 2205/025 (2013.01); C08L 2207/062 (2013.01); C08L 2207/068 (2013.01)]

7 Claims

1. A composition, comprising:

from 50% to 99.9% by weight of a base polymer, the base polymer comprising a polyolefin and having a particle size in a range of from about 5 microns to about 600 microns; and

from 0.1% to 50% by weight of a glue polymer, the glue polymer having a particle size in a range from about 1 micron to about 250 microns,

wherein the base polymer has an average particle size equal to or lower than 300 microns, and the glue polymer has an average particle size equal to or lower than 250 microns.