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Methacrylate-functionalized oligomers based on lactide, ε- caprolactone and trimethylene carbonate for application in stereo-lithography

Grijpma, Dirk W., Melchels, Ferry P.W., & Hou, Qingpu (2006) Methacrylate-functionalized oligomers based on lactide, ε- caprolactone and trimethylene carbonate for application in stereo-lithography. Materials Research Innovations, 10(3), pp. 321-330.

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Abstract

Photo-curable biodegradable macromers were prepared by ring opening polymerization of D,L-lactide (DLLA), ε-caprolactone (CL) and 1,3-trimethylene carbonate (TMC) in the presence of glycerol or sorbitol as initiator and stannous octoate as catalyst, and subsequent methacrylation of the terminal hydroxyl groups. These methacrylated macromers, ranging in molecular weight from approximately 700 to 6000 g/mol, were cross-linked using ultraviolet (UV) light to form biodegradable networks. Homogeneous networks with high gel contents were prepared. One of the resins based on PTMC was used to prepare three-dimensional structures by stereo-lithography using a commercially available apparatus.

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ID Code: 38834
Item Type: Journal Article
Additional Information: This work was presented at the 13th Annual POLYCHAR World Forum on Advanced Materials, July 3-8, 2005, in Singapore.
Keywords: stereo-lithography, ring-opening polymerization, functionalized, oligomers, photo-curing, biodegradable structures
ISSN: 1432-8917
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > BIOMEDICAL ENGINEERING (090300) > Biomaterials (090301)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Current > Institutes > Institute of Health and Biomedical Innovation
Past > Schools > School of Engineering Systems
Copyright Owner: Copyright 2006 Matrice Technology Limited
Deposited On: 24 Nov 2010 12:57
Last Modified: 01 Mar 2012 00:14

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