Polyethylene oxide (PEO), a nonionic hydrophilic polymer, is one of the most widely used polymers for extending the drug release. This review mainly focuses on the PEO marketed by, but not limited to, ...
Polyethylene and polypropylene make up roughly ... “This combination of tungsten oxide on silica and sodium on alumina is like taking two different types of dirt and having them together ...
Polyethylene and polypropylene plastics are a major source of post-consumer plastic ... leaving one piece with a reactive carbon-carbon double bond. Subsequently, a tungsten oxide on silica catalyst ...
A second catalyst, tungsten oxide on silica, added the carbon atom ... which was a feature of the researchers' earlier process to deconstruct polyethylene. Such double bonds are an Achilles ...