Journal
ACS APPLIED POLYMER MATERIALS
Volume 4, Issue 3, Pages 1570-1575Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsapm.2c00013
Keywords
DLP 3D printing; emulsion templating; additive manufacturing; poly(lactic acid); enzyme degradation
Funding
- Korea Institute of Industrial Technology via Development of ecofriendly production system technology for total periodic resource cycle [PEO21140]
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A poly(lactic acid)-based porous polymer with an interconnected pore structure and superior pore morphology was successfully fabricated using one-step digital light processing (DLP) 3D printing. To provide biodegradation property and UV-reactivity, a photocurable resin was synthesized by ring-opening polymerization of lactide and glycidyl methacrylate (GMA). The resin was fabricated using a high internal phase emulsion (HIPE) method to introduce the pore structure in 3D printing. The final product exhibited biodegradable characteristics and contained lactic acid components, and the enzymatic degradation tests confirmed the influence of the biodegradable moiety on erosion tendency, which is impacted by the pore structure.
Poly(lactic acid)-based porous polymer with an interconnected pore structure and superior pore morphology was successfully fabricated by one-step digital light processing (DLP) 3D printing. To provide biodegradation property and UV-reactivity, a photocurable resin was synthesized by ring-opening polymerization of lactide and glycidyl methacrylate (GMA). The resin was fabricated by an emulsion templating method called high internal phase emulsion (HIPE) for introducing pore structure in 3D printing. The final product ended up exhibiting biodegradable characteristics and had lactic acid components. The enzymatic degradation tests verified the influence of the biodegradable moiety and confirmed that erosion tendency is impacted by pore structure.
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