Silane coupling agent is a compound having two different reactive groups in its molecule. The first reactive functional group is a hydrolyzable silyl group that reacts with inorganic materials. The second reactive functional group is an organic functional group such as vinyl, epoxy, amine, or methacrylic, which reacts with organic materials. Silane coupling agents, which act as interface control agents for inorganic-organic composite materials, are widely used in rubber, adhesive, paint, and various composite materials.