Dow Corning Corporation

Michael Richard Lafore

Zuchen Lin

Bethany Johnson

Donald Taylor Liles

Julie Sue DeCaire

Oil-in-water (O/W) and water-in-oil (W/O) emulsions and microemulsions containing elastomeric silanes or siloxanes preferably having quaternary ammonium groups are generally made by reacting organic quaternary ammonium compounds having epoxide groups or halohydrin groups, with silanes or siloxanes having amino groups. The reaction is carried out in an aqueous polar phase containing a crosslinking agent and surfactant. The emulsions and microemulsions are especially useful for treating hair, skin, or the underarm.

Personal care applications of emulsions containing elastomeric silanes and siloxanes with nitrogen atoms

Method of preparing emulsions containing elastomeric silanes and siloxanes having quaternary ammonium groups

Silicone based liquid crystal and vesicles are prepared by first reacting (A) an &#x2261;Si&#x2014;H containing polysiloxane, (B) a mono-alkenyl polyether, in the presence of a platinum catalyst until an &#x2261;Si&#x2014;H containing polysiloxane with polyether groups (C) is formed. The &#x2261;Si&#x2014;H containing polysiloxane with polyether groups (C) is then reacted with (D) an unsaturated hydrocarbon such as an &#x3b1;,&#x3c9;-dienes, and (E) water, in the presence of a platinum catalyst until the silicone based liquid crystal or vesicle is formed. The silicone based liquid crystal or vesicle can also be heated until a hard liquid crystal gel or vesicle paste are formed.

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Freeland, MI, United States of America

Michael Richard Lafore