Aqueous dispersions of copolymers of ethylenically unsaturated monomers and silicone resins bearing functional groups which are free radically polymerizable are prepared by forming an aqueous miniemulsion of the silicone resin dissolved in an ethylenically unsaturated monomer, the miniemulsion having a D.sub.50 droplet size <350 nm, and polymerizing using a free radical polymerization initiator.

Aqueous dispersions of copolymers of ethylenically unsaturated monomers and silicone resins bearing functional groups which are free radically polymerizable are prepared by forming an aqueous miniemulsion of the silicone resin dissolved in an ethylenically unsaturated monomer, the miniemulsion having a D.sub.50 droplet size <350 nm, and polymerizing using a free radical polymerization initiator.

A resin composition comprising: a resin (A) having 30 mol % or more of a structural unit represented by a formula (1) below, and a boron compound (B), the boron compound (B) containing a boron element in an amount of 0.01 to 2,000 ?mol per gram of the resin (A).

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Aqueous dispersions of copolymers of ethylenically unsaturated monomers and silicone resins bearing functional groups which are free radically polymerizable are prepared by forming an aqueous miniemulsion of the silicone resin dissolved in an ethylenically unsaturated monomer, the miniemulsion having a D.sub.50 droplet size <350 nm, and polymerizing using a free radical polymerization initiator.