Itzel Lopez-CarreonNational Research Council Canada | NRC · Construction Research Centre
Itzel Lopez-Carreon
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Publications
Publications (7)
The longevity of polymer-based sealant and jointing products, including elastomers, significantly depends on the level of exposure to sunlight and joint movement. These factors are particularly crucial in the application of polymers in construction due to their susceptibility to degradation under environmental conditions. For instance, diurnal cycl...
This research investigates the aging resistance of a silicone product exposed to highly alkaline conditions. A silicone membrane was immersed in a pH 13.5 solution and aged up to 30 days at four temperatures between 40°C and 70°C. The effects of alkaline aging on morphology, mechanical properties, thermal properties and surface chemistry of the alk...
Three room-temperature fluid-applied silicone membranes intended for application in building envelopes were studied in this work. The membranes were subjected to accelerated UV and moisture aging for 5000 h to evaluate their resistance to long-term aging. The properties of the membranes were studied to understand the degradation mechanisms that mig...