NASA NTRS · 20150003359
pH-Sensitive Microparticles with Matrix-Dispersed Active Agent
Abstract
Methods to produce pH-sensitive microparticles that have an active agent dispersed in a polymer matrix have certain advantages over microcapsules with an active agent encapsulated in an interior compartment/core inside of a polymer wall. The current invention relates to pH-sensitive microparticles that have a corrosion-detecting or corrosion-inhibiting active agent or active agents dispersed within a polymer matrix of the microparticles. The pH-sensitive microparticles can be used in various coating compositions on metal objects for corrosion detecting and/or inhibiting.
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Li, Wenyan, Buhrow, Jerry W., Jolley, Scott T., Calle, Luz M.. 2014-10-14. pH-Sensitive Microparticles with Matrix-Dispersed Active Agent. https://ntrs.nasa.gov/citations/20150003359
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