Feature

Hybrid chemistry: Light fixation revolutionises 2C adhesives

Two-component (2C) epoxy resins are suitable for structural bonding and protective potting. For many industrial applications, the time-lapse before reaching initial strength has been deemed a major disadvantage – until now.

30/03/2020 15:32:51

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For the first time, there is a viable and instantaneous form of light fixation for 2C epoxy resins. This new technology offers a faster and simpler production process as well as less expensive logistics.

Over the last several years,
dual-curing adhesives have greatly shortened the time of joining processes in high-volume industrial applications. Under high-intensity (UV) light, two components can be fixed together within seconds before they achieve full strength in a second process step. This reduces enormously the time
leading to the further processing of an assembly. In addition, the precision of bonding rises with controlled curing or fixation on demand. This is required in response to the increasing level of miniaturisation in many sectors.

2C epoxy resins –
known for good strength, marked media resistance, and reliable curing at room temperature – were unable to keep pace with this trend because they lacked a light fixation capability. However, now there is a dual-curing process suitable for two-component products used
in industrial production environments. It combines the strengths of 2C products with the advantages of light fixation, equipping users with an entirely new option in the use of bonding technology in their production processes.

Read the full article in the April issue of DPA.

Written By Sophia Bell

Sophia Bell is the Group Editor of DPA, Connectivity, and PBSI. She joined the team in 2020 as Assistant Editor after achieving a First-Class Honours BA in English Literature and Film Studies from the University of East Anglia. In her current role, she leads the editorial strategy, driving digital growth and ensuring each title continues to deliver trusted, relevant insight for engineering and manufacturing professionals.