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We have investigated the crystallized morphology formed at each temperature T c (20°C≤T c ≤45°C) in double crystalline poly(ɛ-caprolactone)-block-polyethylene (PCL-b-PE) copolymers as a function of composition (or volume fraction of PE blocks ϕ PE ) by employing small-angle X-ray scattering (SAXS) and differential scanning calorimetry (DSC) techniques. When PCL-b-PE with ϕ...
Poly[4,4'-diphenylamine (3,5-di-tert-butyl-4-hydroxy)benzylidene] was synthesized with a dehydrative polycondensation by using H 2 SO 4 as a catalyst. After treatment with DDQ, the polymer was oxidized with PbO 2 to generate a stable radical group in the polymer. The colour of the polymer changed from green to dark red upon the oxidation. ESR spectra showed not only a signal...
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