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Degradable thiol-acrylate photopolymers: polymerization and degradation behavior of an in situ forming biomaterial

Paper ID Volume ID Publish Year Pages File Format Full-Text
12132 781 2005 12 PDF Available
Title
Degradable thiol-acrylate photopolymers: polymerization and degradation behavior of an in situ forming biomaterial
Abstract

Degradable thiol-acrylate photopolymers are a new class of biomaterials capable of rapidly polymerizing under physiological conditions upon exposure to UV light, with or without added photoinitiators, and to depths exceeding 10 cm. These materials are formed in situ, and the versatility of their chemistry affords a high degree of control over the final material properties. For example, variations in monomer mole fractions directly affect the final network molecular structure, varying the time required to achieve complete mass loss from 25 to 100 days, the molecular weight distributions of the degradation products, and the swelling ratios and compressive moduli throughout degradation. Additionally, varying the mole fraction of multifunctional thiol monomer in the initial reaction mixture controls the concentration of reactive sites in the network available for post-polymerization modification of the polymer.

Keywords
Thiol-acrylate polymerization; In situ cross-linking; Photopolymerization; Hydrolytic degradation; Poly(ethylene glycol)
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Publisher
Database: Elsevier - ScienceDirect
Journal: Biomaterials - Volume 26, Issue 22, August 2005, Pages 4495–4506
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
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Price was $35.95
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