These low masses help explain why polyethylene has a low density. Another reason is that these long skinny molecules are loosely packed together. Polyvinyl chloride is made up of carbon, hydrogen, and ...
This startling mechanism for promoting depolymerization relies on an additive that many plastics already contain: a pigment called carbon black that gives plastic its black color. Through a process ...
It turns out that the black plastic lid atop your coffee cup has a superpower. And the Stache Lab at Princeton Chemistry, which uncovered it, is exploiting that property to recycle at least two major ...