The present invention relates to a method for preparing diacetylene derivatives, diacetylene derivatives prepared thereby, a method for polymerizing diacetylene derivatives and polydiacetylene prepared thereby and, more specifically, to a method for preparing diacetylene derivatives, diacetylene derivatives prepared thereby, a method for polymerizing diacetylene derivatives and polydiacetylene prepared thereby, the method for producing diacetylene derivatives comprising a step of making a reaction, in which a diacetylene monomer represented by the following chemical formula 1; triethylamine; one or more compounds selected from a group of a compound represented by the following chemical formula 2, a compound represented by the following chemical formula 3, and sodium azide; one or more compounds selected from a group of oxalyl chloride, dimethyl formaldehyde, 1-ethyl-3-(3-dimethylaminopropyl) carbodiimide and dimethylaminopyridine are reacted together, to obtain a reaction mixture. Here, in chemical formula 1,2, and 3, a is an integer from 3 to 11, b is an integer from 1 to 12, and c is an integer from 1 to 5.;COPYRIGHT KIPO 2014
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