S. Akiyama, T. Inoue, and T. Nishi, “Polymer Blends—Compatibility and Interface” (in Japanese), CMC Press, Tokyo, 1979 (R&D report) and 1981. D. R. Paul and S ...

3-butadiene via a lactone intermediate, 3-ethylidene-6-vinyltetrahydro-2H-pyran-2-one (1). Figure 3: 13 C NMR spectra and the assignments for poly-1. A mixture of lactone 1 (1.0 mmol) and ...