A Comparative Study of the Photodegradation of Two Series of Cyclic Olefin Copolymers

Figure 1

Structure of COC copolymers. (a) Ethylene-norbornene (E-NB) copolymer: Series D. (b) Ethylene-tetracyclododecene (E-TD) copolymer: Series A.

(a)

(b)