Surface functionalized hollow silica particles and composites

Valentin Rodionov (Inventor), Vu Bao Khanh (Inventor)

Research output: Patent

Abstract

Composition comprising hollow spherical silica particles having outside particle walls and inside particle walls, wherein the particles have an average particle size of about 10 nm to about 500 nm and an average wall thickness of about 10 nm to about 50 nm; and wherein the particles are functionalized with at least one organic functional group on the outside particle wall, on the inside particle wall, or on both the outside and inside particle walls, wherein the organic functional group is in a reacted or unreacted form. The organic functional group can be epoxy. The particles can be mixed with polymer precursor or a polymer material such as epoxy to form a prepreg or a nanocomposite. Lightweight but strong materials can be formed. Low loadings of hollow particles can be used.
Original languageEnglish (US)
Patent numberWO 2017085544 A1
StatePublished - May 26 2017

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