US 12,441,051 B2
One part, catalyst containing, moisture curable dual cure resins for additive manufacturing
Andrew Gordon Wright, Mountain View, CA (US)
Assigned to Carbon, Inc., Redwood City, CA (US)
Filed by Carbon, Inc., Redwood City, CA (US)
Filed on Dec. 6, 2023, as Appl. No. 18/530,398.
Application 18/530,398 is a division of application No. 17/817,673, filed on Aug. 5, 2022, granted, now 11,884,000.
Claims priority of provisional application 63/237,693, filed on Aug. 27, 2021.
Prior Publication US 2024/0131779 A1, Apr. 25, 2024
Int. Cl. B33Y 70/00 (2020.01); B29C 64/106 (2017.01); B29C 64/35 (2017.01); B33Y 10/00 (2015.01); C08G 18/10 (2006.01); C08G 18/20 (2006.01); C08G 18/30 (2006.01); C08G 18/58 (2006.01); C08G 18/78 (2006.01); B29K 75/00 (2006.01)
CPC B29C 64/106 (2017.08) [B29C 64/35 (2017.08); B33Y 10/00 (2014.12); B33Y 70/00 (2014.12); C08G 18/10 (2013.01); C08G 18/2081 (2013.01); C08G 18/302 (2013.01); C08G 18/584 (2013.01); C08G 18/7843 (2013.01); B29K 2075/02 (2013.01)] 14 Claims
 
1. A one part (1K) dual cure additive manufacturing resin, comprising:
(a) a photoinitiator;
(b) a reactive blocked polyisocyanate, the reactive blocked polyisocyanate comprising the reaction product of a polyisocyanate and an amine or hydroxyl (meth)acrylate or (meth)acrylamide monomer blocking agent;
(c) a catalyst for the reaction of an isocyanate with water;
(d) optionally, a polyepoxide; and
(e) optionally, water.