Next-generation Microcapsules Deliver 'Chemicals On Demand', University of California, Berkeley (CAL) and Lawrence Berkeley National Laboratory Research  
11/2/2009 6:39:03 AM

ScienceDaily (Nov. 2, 2009) — Scientists in California are reporting development of a new generation of the microcapsules used in carbon-free copy paper, in which capsules burst and release ink with pressure from a pen. The new microcapsules burst when exposed to light, releasing their contents in ways that could have wide-ranging commercial uses from home and personal care to medicine.