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Sulfonated poly(arylene ether sulfone) copolymer is synthesized via nucleophilic step polymerization of sulfonated 4,4′-dichlorodiphenyl sulfone, 4,4′-dichlorodiphenyl sulfone and phenolphthalin monomers in the presence of potassium carbonate. The copolymer is blended with various amounts of...
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This article reviews the test of a home market model of international trade in media products using a movie industry database covering 6 major countries (the United States, Japan, Germany, Italy, France, and the United Kingdom) over the 1950 to 2003 period. In support of the model, this study...
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