Aqueous nanocomposite dispersions: processes, compositions, and uses thereof

   
   

Processes for utilizing various emulsion polymerization procedures for preparing aqueous nanocomposite dispersions are disclosed. The disclosed processes include both in-situ polymerizations in the presence of at least partially exfoliated unmodified clays as well as admixtures of polymer dispersions with at least partially exfoliated unmodified clay dispersions. The disclosed nanocomposite dispersions are useful for preparing a variety of materials, such as coatings, adhesives, caulks, sealants, plastics additives, and thermoplastic resins. Processes for preparing polymer clay nanocomposite powders and use of these powders as plastic resin and plastics additives are also disclosed.

Os processos para utilizar vários procedimentos da polimerização do emulsion para preparar dispersões aqueous do nanocomposite são divulgados. Os processos divulgados incluem ambas as polimerizações in-situ na presença de ao menos exfoliated parcialmente argilas unmodified assim como os admixtures de dispersões do polímero com ao menos exfoliated parcialmente dispersões unmodified da argila. As dispersões divulgadas do nanocomposite são úteis para preparar uma variedade dos materiais, tais como revestimentos, dos adesivos, calafetam, vedadores, aditivos dos plásticos, e resinas thermoplastic. Os processos para preparar pós do nanocomposite da argila do polímero e uso destes pós como aditivos da resina plástica e dos plásticos são divulgados também.

 
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