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通过直接墨水书写特殊设计的光固化大分子单体制备水凝胶聚酯支架

Hydrogel Polyester Scaffolds via Direct-Ink-Writing of Ad Hoc Designed Photocurable Macromonomer.

作者信息

Fuoco Tiziana, Chen Mo, Jain Shubham, Wang Xi Vincent, Wang Lihui, Finne-Wistrand Anna

机构信息

Department of Fibre and Polymer Technology, School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, Teknikringen, 56-58, SE 100-44 Stockholm, Sweden.

Department of Production Engineering, School of Industrial Engineering and Management, KTH Royal Institute of Technology, Brinellvägen 68, SE 114-28 Stockholm, Sweden.

出版信息

Polymers (Basel). 2022 Feb 12;14(4):711. doi: 10.3390/polym14040711.

DOI:10.3390/polym14040711
PMID:35215623
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8876641/
Abstract

Synthetic, degradable macromonomers have been developed to serve as ink for 3D printing technologies based on direct-ink-writing. The macromonomers are purposely designed to be cross-linkable under the radical mechanism, to impart hydrophilicity to the final material, and to have rheological properties matching the printer's requirements. The suitable viscosity enables the ink to be printed at room temperature, in absence of organic solvents, and to be cross-linked to manufacture soft 3D scaffolds that show no indirect cytotoxicity and have a hydration capacity of up to 100% their mass and a compressive modulus in the range of 0.4-2 MPa.

摘要

合成的、可降解的大分子单体已被开发出来，用作基于直接墨水书写的3D打印技术的墨水。这些大分子单体经过专门设计，能够在自由基机制下发生交联，使最终材料具有亲水性，并具有符合打印机要求的流变特性。合适的粘度使墨水能够在室温下、在无有机溶剂的情况下进行打印，并能够交联以制造出无间接细胞毒性、水合能力高达其质量100%且压缩模量在0.4 - 2 MPa范围内的柔软3D支架。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cd30/8876641/f24ae704755d/polymers-14-00711-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cd30/8876641/d5674fc4da89/polymers-14-00711-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cd30/8876641/e4425cfd8081/polymers-14-00711-sch001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cd30/8876641/2e1c5a8cba44/polymers-14-00711-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cd30/8876641/2971b045ef48/polymers-14-00711-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cd30/8876641/102e5f2482a5/polymers-14-00711-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cd30/8876641/f24ae704755d/polymers-14-00711-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cd30/8876641/d5674fc4da89/polymers-14-00711-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cd30/8876641/e4425cfd8081/polymers-14-00711-sch001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cd30/8876641/2e1c5a8cba44/polymers-14-00711-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cd30/8876641/2971b045ef48/polymers-14-00711-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cd30/8876641/102e5f2482a5/polymers-14-00711-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cd30/8876641/f24ae704755d/polymers-14-00711-g005.jpg

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ACS Appl Polym Mater. 2022 May 13;4(5):3054-3061. doi: 10.1021/acsapm.1c01538. Epub 2022 Jan 6.
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Modern Strategies To Achieve Tissue-Mimetic, Mechanically Robust Hydrogels.实现组织模拟、机械性能强大的水凝胶的现代策略。
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Reversible Deactivation Radical Polymerization: From Polymer Network Synthesis to 3D Printing.
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