Abstract
Silicone rubber (SR) materials play a crucial role in the field of mechanical impact protection technology. However, the adhesive stability between SR and various substrates in the actual application process is still a challenging task. The surface free energy of SR is about 19.9 mJ/m2, which can directly lead to fall off and peel off during the application process. In present study, a new type of bifunctional polyborosiloxane interfacial binder (BSiOVi) has been developed through a copolymerization method, resulting the firm bond between SR and epoxy resin (EP) and metal substrate. One end organic group of BSiOVi fixed to the surface of the substrate and the other end organic group act as initiator of the SR matrixpolymerization. The bonding strength macroscopically manifests as the cohesive failure of the silicone rubber protective material.
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