ESTER-SUBSTITUTED DIACETYLENE POLYMER

PURPOSE:To obtain the title polymer useful for a non-linear optical material, a high elasticity material, etc., by selecting a specified ester-substd. diacetylene polymer. CONSTITUTION:An ester-substd. diacetylene polymer having a repeating unit of the formula (wherein R1-4 is each a 1-24C hydrocarb...

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Hauptverfasser:	KATO JINICHIRO, IMANISHI TAICHI
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC CHEMISTRY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	PURPOSE:To obtain the title polymer useful for a non-linear optical material, a high elasticity material, etc., by selecting a specified ester-substd. diacetylene polymer. CONSTITUTION:An ester-substd. diacetylene polymer having a repeating unit of the formula (wherein R1-4 is each a 1-24C hydrocarbon group) and a number- average mol.wt. of 2,000-5,000 is selected.