Investigation of adhesive light-curing using the pre-activation technique. 2.

摘要

In this process the adhesive is pre-activated by radiation after metering (Figure 1). This is followed by the application of the constructional element and heat post-treatment, leading to a faster curing of the adhesive. After preactivation of the adhesive, because of the progressing polymerisation it takes only a limited amount of time to reach the boundary viscosity, during which time the equipment element must be bonded (ref. 4). This time period is referred to as the open time or pot life.