Solution Mask Liquid Lithography (SMaLL) for One-Step, Multimaterial 3D Printing

被引：164

作者：

Dolinski, Neil D. ^{[1
,2
]}

Page, Zachariah A. ^{[2
]}

Callaway, E. Benjamin ^{[1
]}

Eisenreich, Fabian ^{[2
,3
,4
]}

Garcia, Ronnie, V ^{[2
]}

Chavez, Roberto ^{[2
]}

Bothman, David P. ^{[5
]}

Hecht, Stefan ^{[3
,4
]}

Zok, Frank W. ^{[1
]}

Hawker, Craig J. ^{[1
,2
,6
]}

机构：

[1] Univ Calif Santa Barbara, Mat Dept, Santa Barbara, CA 93106 USA

[2] Univ Calif Santa Barbara, MRL, Santa Barbara, CA 93106 USA

[3] Humboldt Univ, Dept Chem, D-12489 Berlin, Germany

[4] Humboldt Univ, IRIS Adlershof, D-12489 Berlin, Germany

[5] Univ Calif Santa Barbara, Dept Mech Engn, Santa Barbara, CA 93106 USA

[6] Univ Calif Santa Barbara, Dept Chem & Biochem, Santa Barbara, CA 93106 USA

来源：

ADVANCED MATERIALS | 2018年 / 30卷 / 31期

基金：

美国国家科学基金会;

关键词：

3D printing; photochemistry; photochromism; POLYMERS; PHOTOPOLYMERIZATIONS; SWITCHES; COMPLEX; LIGHT;

D O I：

10.1002/adma.201800364

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A novel methodology for printing 3D objects with spatially resolved mechanical and chemical properties is reported. Photochromic molecules are used to control polymerization through coherent bleaching fronts, providing large depths of cure and rapid build rates without the need for moving parts. The coupling of these photoswitches with resin mixtures containing orthogonal photo-crosslinking systems allows simultaneous and selective curing of multiple networks, providing access to 3D objects with chemically and mechanically distinct domains. The power of this approach is showcased through the one-step fabrication of bioinspired soft joints and mechanically reinforced "brick-and-mortar" structures.

引用

页数：6

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