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AssigneeDow Corning Corporation
InventorsThomas BEKEMEIER, Lorry DEKLIPPEL, Tatiana DIMITROVA, Russel ELMS, Fabrizio GALEONE, Bertrand LENOBLE, Leon MARTEAUX, Josef ROIDL, Martin SEVERANCE, Stephane UGAZIO, Brett ZIMMERMAN
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A process for preparing silicate shell microcapsules comprises adding a water reactive silicon compound to an oil in water emulsion, thereby condensing and polymerizing the water reactive silicon compound to form silicate shell microcapsules having a core comprising the oil phase of the said emulsion. The water reactive silicon compound comprises a tetraalkoxysilane and an alkoxysilane having an amino or quaternary ammonium substituted alkyl group.
A process for preparing silicate shell microcapsules, the process comprising adding a water reactive silicon compound to an oil in water emulsion, thereby condensing and polymerizing the water reactive silicon compound to form silicate shell microcapsules having a core comprising the oil phase of the emulsion, characterized in that the water reactive silicon compound comprises a tetraalkoxysilane and an alkoxysilane having an amino or quaternary ammonium substituted alkyl group.
A process of using an alkoxysilane having an amino or quaternary ammonium substituted alkyl group in the production of silicate shell microcapsules, the process comprising adding a tetraalkoxysilane to an oil in water emulsion, whereby the alkoxysilane having an amino or quaternary ammonium substituted alkyl group modifies the silicate shell structure of the microcapsules produced.
Dependencies are inferred from the claim text.