Development and characterization of novel photopolymerizable formulations for stereolithography
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Carola Esposito Corcione
Abstract
Novel photopolymerizable formulations, able to photopolymerize with a dual mechanism (cationic and radical), were developed and characterized as potential resins for stereolithography (SL) process. The influence of the presence of organically modified boehmite nanoparticles on the properties of the photopolymerizable mixtures was also analyzed. The main properties required for a liquid SL resin are a high reactivity and a low viscosity. All of the experimental formulations produced, even in the presence of boehmite nanoparticles, are able to satisfy these significant requirements. Physical-mechanical and thermal properties of the photocured samples, obtained starting from the experimental formulations, were finally measured. The cured nanocomposite bars show a high transparency, confirming the good dispersion of the nanofiller in the polymeric matrix and possess improved glass transition temperature (Tg) and mechanical performances, compared to the unfilled system and to a commercial stereolithographic resin. These results suggest the possibility of using the novel nanofilled photopolymerizable suspensions in the stereolithographic apparatus to build, not only esthetical, but also functional prototypes.
Professor Alfonso Maffezzoli is greatly thanked for useful discussions.
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©2014 by Walter de Gruyter Berlin Boston
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Articles in the same Issue
- Masthead
- Masthead
- Publisher’s note
- Editorial changes at the Journal of Polymer Engineering
- Editorial
- A new Editor-in-Chief for Journal of Polymer Engineering
- Original articles
- Microcellular injection molding of recycled poly(ethylene terephthalate) blends with chain extenders and nanoclay
- Structure and performance of polybutene-1 pipes produced via mandrel rotation extrusion
- Analysis of the effect of molecular weight and testing rate on shear strength of epoxidized natural rubber-based adhesives with a statistical model
- The use of waste rubber in natural rubber in the presence of maleic anhydride-grafted natural rubber (MA-g-NR): study on curing, rheology, morphology, and properties of the blend
- Morphology, mechanical, bound rubber, swelling, and dynamic mechanical studies of chlorobutyl elastomer nanocomposites: effect of multiwalled carbon nanotube and solvent
- Nonisothermal crystallization kinetics of polybutene-1 containing nucleating agent with acid amides structure
- The effect of organoclay contents on morphological characterization, mechanical and thermal properties of epoxidized natural rubber-50 toughened polyamide 6 nanocomposites
- Tensile properties of polycaprolactone/nano-CaCO3 composites
- Influence of two novel compatibilizers on the properties of LDPE/organoclay nanocomposites
- Development and characterization of novel photopolymerizable formulations for stereolithography
- Modeling of vapor-liquid equilibrium for binary polypropylene glycol/solvent solutions using cubic equation of state models: optimization and comparison of CEoS models
