公开(公告)号：US11999097B2

公开(公告)日：2024-06-04

申请号：US17057568

申请日：2019-05-21

Applicant: VIRGINIA POLYTECHNIC INSTITUTE AND STATE UNIVERSITY

Inventor： Ryan Hensleigh ,  Xiaoyu Zheng

IPC: B29C64/124 ,  B29C64/30 ,  B29K105/00 ,  B33Y10/00 ,  B33Y40/20 ,  B33Y70/00

CPC classification number: B29C64/124 ,  B29C64/30 ,  B33Y10/00 ,  B33Y40/20 ,  B33Y70/00 ,  B29K2105/0014

Abstract: Described herein are electroless material deposition methods and techniques that can be used to deposit one or more materials on a structure in a selective manner such that deposition can occur in predetermined areas. The methods and techniques of selective electroless material deposition methods described herein can be used to selectively deposit material(s) on 3D printed structures. In some aspects, the 3D structures can contain micro-features that can have one or more materials selectively deposited on their surface in one or more locations.

公开(公告)号：US11884002B2

公开(公告)日：2024-01-30

申请号：US17049934

申请日：2019-04-05

Applicant: Lawrence Livermore National Security, LLC ,  Virginia Polytechnic Institute and State University

Inventor： Marcus A. Worsley ,  Xiaoyu Zheng ,  Patrick G. Campbell ,  Eric Duoss ,  James Oakdale ,  Christopher Spadaccini ,  Ryan Hensleigh

IPC: B01J13/00 ,  B29C64/124 ,  B33Y10/00 ,  B33Y70/00 ,  C08K3/04 ,  C01B32/194 ,  C01B32/198 ,  B29C64/30 ,  B33Y40/20 ,  C08F283/06 ,  C08J9/28 ,  B29K105/00

CPC classification number: B29C64/124 ,  B01J13/0091 ,  B29C64/30 ,  B33Y10/00 ,  B33Y40/20 ,  B33Y70/00 ,  C01B32/194 ,  C01B32/198 ,  C08F283/065 ,  C08J9/286 ,  C08K3/042 ,  B29K2105/0061 ,  C01B2204/22 ,  C01B2204/26 ,  C01B2204/32 ,  C01P2002/82 ,  C01P2004/03 ,  C01P2006/10 ,  C08J2205/026 ,  C08J2333/08

Abstract: Disclosed here is a method for making a three-dimensional micro-architected aerogel, comprising: (a) curing a reaction mixture comprising a co-sol-gel material (e.g., graphene oxide (GO)) and at least one catalyst to obtain a crosslinked co-sol-gel (e.g., GO hydrogel); (b) providing a photoresin comprising a solvent, a photoinitiator, a crosslinkable polymer precursor, and a dispersion of the crosslinked co-sol-gel (e.g., GO hydrogel); (c) curing the photoresin using projection microstereolithography layer-by-layer to produce a wet gel having a pre-designed three-dimensional structure; (d) drying the wet gel to produce a dry gel; and (e) pyrolyzing the dry gel to produce a three-dimensional micro-architected aerogel (e.g., graphene aerogel). Also disclosed is a photoresin for projection microstereolithography, comprising a solvent, a photoinitiator, a crosslinkable polymer precursor, and a dispersion of a crosslinked co-sol-gel.