High Efficiency For Photo-polymerizable VCP Ester-amide Resins: A Universal Concept Providing Low Volume Shrinkage, High Reactivity And Selectivity | 42314
Journal of Material Sciences & Engineering
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Cyclic monomer systems that can undergo a radical-ring opening polymerization (RROP), such as vinylcyclopropane (VCP)
derivatives are highly interesting monomer resins, providing lower-volume shrinkage on polymerization than other vinyl
monomers, like methacrylates. Especially among electronics, coatings, lithography, dental applications and 3D microstructures
highly specified resins with low volume shrinkage are fundamental to match the precise specifications adapted for the final end-use.
Thereby, cross-linkable VCP resins are currently accessing a variety of precise specifications within a wide spectrum of applications,
in industry as well as in research. Thus we developed a universal concept based on selective intermolecular interactions, applying
VCP resins as fast curable, low-shrinking, high-performance resin. Herein we focused on the monomer synthesis as well as on the
development and characterization of a modular construction kit based on VCPs. To provide a powerful illustration, diversified resins
were prepared and analyzed. Hereby, we could show an excellent control of high reactivity, nearly regardless of the chosen spacerunit.
With an appropriate variation of spacer-unit selective characteristics, like e.g. mechanical strength, thermal stability and optical
refraction could be adjusted in a simple and suitable way, making the system adaptable to any use. These results are highlighted in this
presentation and offer the system an outstanding prospective within various applications.
Paul Pineda Contreras is currently working on his PhD at the University of Bayreuth (Germany) under the supervision of Prof. Seema Agarwal, focusing on the photopolymerization of novel low-shrinking resins. He received his BSc and MSc degree from the University of Marburg in 2010 and 2012, respectively. During his undergraduate studies, he made a research internship in Prof. Susanta Banerjee’s group at the Indian Institute of Technology (IIT) Kharagpur on PPX modified poly(arylethere)s. After that he received his research initiative a scholarship of the Bayer-Science Foundation. His research interests are photo-polymerization techniques, materials characterization, composites and coatings.