US 12,220,861 B2
Additives for build materials and associated printed 3D articles
Khalil Moussa, Chapel Hill, NC (US)
Assigned to 3D SYSTEMS, INC., Rock Hill, SC (US)
Filed by 3D Systems, Inc., Rock Hill, SC (US)
Filed on Dec. 20, 2023, as Appl. No. 18/390,827.
Application 18/390,827 is a continuation of application No. 17/737,355, filed on May 5, 2022, granted, now 11,890,806.
Claims priority of provisional application 63/185,763, filed on May 7, 2021.
Prior Publication US 2024/0131780 A1, Apr. 25, 2024
Int. Cl. B33Y 70/00 (2020.01); B29C 64/129 (2017.01); C08F 2/48 (2006.01); C08F 220/36 (2006.01); C08F 222/10 (2006.01); C08F 224/00 (2006.01); C09D 11/101 (2014.01); C09D 11/107 (2014.01); B33Y 10/00 (2015.01); B33Y 80/00 (2015.01)
CPC B29C 64/129 (2017.08) [C08F 2/48 (2013.01); C08F 220/36 (2013.01); C08F 222/1065 (2020.02); C08F 224/00 (2013.01); C09D 11/101 (2013.01); C09D 11/107 (2013.01); B33Y 10/00 (2014.12); B33Y 70/00 (2014.12); B33Y 80/00 (2014.12)] 20 Claims
 
1. A polymerizable liquid comprising:
at least one additive including a plurality of cyclopolymerizable functionalities separated by an aliphatic linker or alkylene oxide linker, wherein the cyclopolymerizable functionalities are of the formula:

OG Complex Work Unit Chemistry
 wherein custom character is an attachment point of the cyclopolymerizable functionality to the linker.