The Journal of Polymer Science features full images on the cover of each issue. Here are some of our favorites from 2015 and the papers that produced them.
![](https://api.onlinelibrary.wiley.com/asset/v1/doi/10.1002%2Fpola.27590/asset/image_m%2Fpola27590-toc-0001-m.png?l=SkaBT8QEx2rdHu7JR63w9CTB%2FozxQxqMzfTYYSjTgnGTLcnU7uy%2BC%2B9HozKakKugS9PCyGGNWI4%2F%0AINbRYLxW3g%3D%3D)
“Synthesis and characterization of high refractive index polyimides derived from 2,5-Bis(4-Aminophenylenesulfanyl)-3,4-Ethylenedithiothiophene and aromatic dianhydrides” by Hyeonuk Yeo, Jiye Lee, Munju Goh, Bon-Cheol Ku, Honglae Sohn, and Nam-Ho You
![](https://onlinelibrary.wiley.com/store/10.1002/pola.27633/asset/image_m/pola27633-toc-0001-m.png?v=1&s=57042f5ab5c13fe72293bd97caa209ee5187a3e4)
“Synthesis and photovoltaic properties of thieno[3,4-b]pyrazine or dithieno[3′,2′:3,4;2″,3″:5,6]benzo[1,2-d]imidazole-containing conjugated polymers” by Mukhamed L. Keshtov, Tomoya Higashihara, and Tsuyoshi Michinobu et al.
![](https://onlinelibrary.wiley.com/store/10.1002/pola.27900/asset/image_m/pola27900-toc-0001-m.png?v=1&s=e45573a9785b444321686291c0b5fe12727e67a2)
“Synthesis and liquid crystalline behavior of bulky poly(methacrylamide)s” by Kylie B. Manning, Alexander G. Shtukenberg, Shane M. Nichols, Bart Kahr, and Marcus Weck
![](https://onlinelibrary.wiley.com/store/10.1002/polb.23643/asset/image_m/polb23643-toc-0001-m.png?v=1&s=24302a81594cf97fefa1380c6c68e5d0e8776937)
“Compliance switching for adhesion control” by Jared Risan, Andrew B. Croll, and Fardad Azarmi
![](https://onlinelibrary.wiley.com/store/10.1002/polb.23934/asset/image_m/polb23934-toc-0001-m.png?v=1&s=831ed0369aa99917535bab2f19c7b6468d8f19c7)
“High-performance alternating current electroluminescent layers solution blended with mechanically and electrically robust nonradiating polymers” by Cheolmin Park and co-workers