Polymers that contain only a single type of repeat unit are known as homopolymers, while polymers containing a mixture of repeat units are known as copolymers. Poly(styrene), for example, is composed only of styrene monomer residues, and is therefore classified as a homopolymer.olymers that contain only a single type of repeat unit are known as homopolymers, while polymers containing a mixture of repeat units are known as copolymers. Poly(styrene), for example, is composed only of styrene monomer residues, and is therefore classified as a homopolymer.
This name, similar to Ryan and Rylan, has gained popularity of late. After reaching a new high in 2013, it settled back down 30 places last year. It's the full birth name of legendary musician Ry Cooder.his name, similar to Ryan and Rylan, has gained popularity of late. After reaching a new high in 2013, it settled back down 30 places last year. It's the full birth name of legendary musician Ry Cooder.
Dolan is an uncommonly occurring given name for males but a very prominent last name for all people (#1179 out of 150436, Top 1%). Dolan entered the list in 1930-1939 and reached its highest position of #1848 in the U.S. then, but is not in the Top 1000 at the moment.