US 12,331,180 B2
Additives for build materials and associated printed 3D articles
Khalil Moussa, Rock Hill, SC (US)
Assigned to 3D Systems, Inc., Rock Hill, SC (US)
Filed by 3D Systems, Inc., Rock Hill, SC (US)
Filed on Jan. 18, 2024, as Appl. No. 18/416,540.
Application 18/416,540 is a continuation of application No. 17/690,694, filed on Mar. 9, 2022, granted, now 11,912,846.
Claims priority of provisional application 63/159,133, filed on Mar. 10, 2021.
Prior Publication US 2024/0158610 A1, May 16, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. C08K 5/01 (2006.01); B29C 64/106 (2017.01); B29K 33/04 (2006.01); B33Y 10/00 (2015.01); B33Y 70/10 (2020.01); C08F 20/10 (2006.01)
CPC C08K 5/01 (2013.01) [B29C 64/106 (2017.08); B33Y 10/00 (2014.12); B33Y 70/10 (2020.01); C08F 20/10 (2013.01); B29K 2033/04 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A polymerizable liquid comprising:
at least one additive of Formula I:

OG Complex Work Unit Chemistry
wherein L and Z each comprise a moiety independently selected from the group consisting of vinyl, allyl, vinyl ether, acrylate, and methacrylate or L and Z each comprise a cyclopolymerizable functionality;
wherein R1 and R2 are alkylene moieties;
wherein R3-R6 each represent one to four optional ring substituents, each one of the one to four ring substituents independently selected from the group consisting of alkyl, heteroalkyl, haloalkyl, halo, hydroxyl, alkoxy, amine, amide, and ether;
wherein n is 2 or 3; and
wherein the additive is present in an amount of 5-40 wt. % based on total weight of the polymerizable liquid.