If the technology is something that could be useful to the company, then I would talk to the team & superiors and discuss with them whether we have time for tha

If the technology is something that could be useful to the company, then I would talk to the team & superiors and discuss with them whether we have time for that and how important it could be. In the case they agreed, and I gave them an explanation for why and what I am doing (and how long is it approx. going to take), then I would feel comfortable learning new technology at work. I believe good communication is the key here.