US 12,227,606 B2
Photocurable resin composition, photocurable resin article, and methods of fabricating the article
Benjamin M. Wu, San Marino, CA (US); and Giovanny F. Acosta-Vélez, Los Angeles, CA (US)
Assigned to THE REGENTS OF THE UNIVERSITY OF CALIFORNIA, Oakland, CA (US)
Filed by THE REGENTS OF THE UNIVERSITY OF CALIFORNIA, Oakland, CA (US)
Filed on Apr. 19, 2021, as Appl. No. 17/234,304.
Application 17/234,304 is a continuation in part of application No. PCT/US2019/056862, filed on Oct. 18, 2019.
Claims priority of provisional application 62/747,694, filed on Oct. 19, 2018.
Prior Publication US 2021/0238335 A1, Aug. 5, 2021
Int. Cl. C08F 283/06 (2006.01); B33Y 80/00 (2015.01); C09D 151/08 (2006.01)
CPC C08F 283/06 (2013.01) [B33Y 80/00 (2014.12); C09D 151/08 (2013.01)] 22 Claims
 
1. An article comprising an inner microarchitecture resin and a first solid coating resin, wherein the first solid coating resin covers at least a portion of a surface of the inner microarchitecture resin;
wherein the inner microarchitecture resin comprises at least one resin selected from the group consisting of a photocured resin, a thermally cured resin, a thermoformed resin, a printed resin, a meshwork resin, and a laser-edged resin;
wherein the first solid coating resin comprises at least one resin selected from the group consisting of a photocured resin, a thermally cured resin, a thermoformed resin, a printed resin, and a laser-edged resin;
wherein the composition of the inner architecture resin is different from the composition of the first solid coating resin,
wherein the inner architecture resin, the first solid coating resin, or both resins comprise:
70-90 weight percent of a urethane (meth)acrylate; and
5-40 weight percent of a di(meth)acrylate.