Surface Functionalization of 3D-printed Plastics Via Initiated Chemical Vapor Deposition

Overview

Journal Beilstein J Nanotechnol

Specialty Biotechnology

Date 2017 Sep 7

PMID 28875099

Citations 5

Authors

Christine Cheng

Malancha Gupta

Affiliations

Soon will be listed here.

Abstract

3D printing is a useful fabrication technique because it offers design flexibility and rapid prototyping. The ability to functionalize the surfaces of 3D-printed objects allows the bulk properties, such as material strength or printability, to be chosen separately from surface properties, which is critical to expanding the breadth of 3D printing applications. In this work, we studied the ability of the initiated chemical vapor deposition (iCVD) process to coat 3D-printed shapes composed of poly(lactic acid) and acrylonitrile butadiene styrene. The thermally insulating properties of 3D-printed plastics pose a challenge to the iCVD process due to large thermal gradients along the structures during processing. In this study, processing parameters such as the substrate temperature and the filament temperature were systematically varied to understand how these parameters affect the uniformity of the coatings along the 3D-printed objects. The 3D-printed objects were coated with both hydrophobic and hydrophilic polymers. Contact angle goniometry and X-ray photoelectron spectroscopy were used to characterize the functionalized surfaces. Our results can enable the use of iCVD to functionalize 3D-printed materials for a range of applications such as tissue scaffolds and microfluidics.

Citing Articles

Sputtering Plasma Effect on Zinc Oxide Thin Films Produced on Photopolymer Substrates.

Rocha-Cuervo J, Uribe-Lam E, Trevino-Quintanilla C, Melo-Maximo D Polymers (Basel). 2023; 15(10).

PMID: 37242858 PMC: 10220553. DOI: 10.3390/polym15102283.

A Review on Stimuli-Actuated 3D Micro/Nanostructures for Tissue Engineering and the Potential of Laser-Direct Writing via Two-Photon Polymerization for Structure Fabrication.

Calin B, Paun I Int J Mol Sci. 2022; 23(22).

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3D-Printed Microfluidic Droplet Generator with Hydrophilic and Hydrophobic Polymers.

Warr C, Hinnen H, Avery S, Cate R, Nordin G, Pitt W Micromachines (Basel). 2021; 12(1).

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Collagen/Chitosan Functionalization of Complex 3D Structures Fabricated by Laser Direct Writing via Two-Photon Polymerization for Enhanced Osteogenesis.

Paun I, Mustaciosu C, Popescu R, Calin B, Mihailescu M Int J Mol Sci. 2020; 21(17).

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Vapor-based polymers: from films to nanostructures.

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