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Multi‐Material Gradient Printing Using Meniscus‐enabled Projection Stereolithography (MAPS)

Journal Article · · Advanced Materials Technologies

Light‐based additive manufacturing methods are widely used to print high‐resolution 3D structures for applications in tissue engineering, soft robotics, photonics, and microfluidics, among others. Despite this progress, multi‐material printing with these methods remains challenging due to constraints associated with hardware modifications, control systems, cross‐contamination, waste, and resin properties. Here, a new printing platform coined Meniscus‐enabled Projection Stereolithography (MAPS) is reported, a vat‐free method that relies on generating and maintaining a resin meniscus between a crosslinked structure and bottom window to print lateral, vertical, discrete, or gradient multi‐material 3D structures with no waste and user‐defined mixing between layers. MAPS is compatible with a wide range of resins shown and can print complex multi‐material 3D structures without requiring specialized hardware, software, or complex washing protocols. MAPS's ability to print structures with microscale variations in mechanical stiffness, opacity, surface energy, cell densities, and magnetic properties provides a generic method to make advanced materials for a broad range of applications.

Research Organization:
Clemson Univ., SC (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES); National Institutes of Health
Grant/Contract Number:
SC0023389
OSTI ID:
3003284
Journal Information:
Advanced Materials Technologies, Journal Name: Advanced Materials Technologies Journal Issue: 6 Vol. 10; ISSN 2365-709X
Publisher:
WileyCopyright Statement
Country of Publication:
United States
Language:
English

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