Introduction to Quartz Glass (II)

Heterogeneous bonding between cyclo‐olefin polymer (COP) and glass‐like substrate by newly developed water vapor‐assisted plasma, Aqua Plasma Cleaner

“…While quartz glass and the like is a single component glass, soda lime glass and borosilicate glass are multicomponent glasses that contain a high amount of impurities. It has been reported that Na 2 O causes the reaction of Formula (1), thereby breaking the network structure and weakening the bonds . Furthermore, the Na 2 O exists as a modified cation that can move freely in the glass as Na + and compensates for the charge of the nonbridging oxygen.…”

Heterogeneous Bonding Between Cyclo-olefin Polymer (COP) and Glass-like Substrate by Newly Developed Water Vapor Assisted Plasma, Aqua Plasma Cleaner

“…It has been reported that Na 2 O causes the reaction of Formula (1), thereby breaking the network structure and weakening the bonds. 18 Furthermore, the Na 2 O exists as a modified cation that can move freely in the glass as Na + and compensates for the charge of the nonbridging oxygen. In particular, it is known that the Na 2 O accumulates on the surface of the glass (where the bonds are unstable) and, when the surface comes in contact with the moisture in the air, is replaced by -Si-OH via the reaction of Formula (2).…”