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Al2O3 produced by the sol-gel method for microcomposite ceramics
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Sol-gel derived alumina was shown to produce microcomposite ceramic structures with microplastic properties at room temperature, achieving high strength through localized flow at structural defect sites. Understanding how microplastic flow in composite ceramics can be engineered through processing parallels ongoing research into modifying polymer composite structures to reduce microplastic generation.
The possibility of production of Al2O3 with a microcomposite structure and microplastic properties from solgel compositions at room temperatures is considered. It is demonstrated that high strength parameters are achieved owing to fluidity sites. The Al2O3 obtained from periodic sol-gel solutions can be used as a matrix for microcomposite ceramic material.
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Alginate microbead to mitigate microplastic pollution
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Researchers developed alginate microbeads from brown algae as a biodegradable alternative to synthetic plastic microbeads in cosmetic and pharmaceutical products, encapsulating tea tree essential oil using ionotropic gelation and finding that calcium chloride crosslinking without surfactant produced optimal gel strength and encapsulation efficiency while lifecycle analysis confirmed substantially lower environmental impact than conventional plastic microcapsules.
Size Reduction and Recrystallization of Inorganic Powders
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Vibrogrinding of inorganic powders (including carbides, borides, and nitrides) was shown to induce microplastic strain in particles, which in turn drives recrystallization at the nanoscale. Mechanical comminution processes that create microplastic deformation in hard materials are mechanistically similar to physical fragmentation processes that produce microplastic particles from larger plastic objects.
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