POLYCARBONATE DIOL COMPOSITION, METHOD FOR PRODUCING POLYCARBONATE DIOL COMPOSITION, AND POLYURETHANE

A polycarbonate diol composition contains: a polycarbonate diol containing a structural unit (1) derived from a compound (1) represented by the following general formula (1); HO-(CH2)n-OH (1) (n is an integer of 3 to 6) and an aldehyde having 3 or more and 8 or less carbon atoms. A method for produc...

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Bibliographische Detailangaben
Hauptverfasser:	AYUTA, Mitsuhiro, YAMANAKA, Takayuki, UCHIDA, Shuuma, KOZUMA, Daisuke, WAKABAYASHI, Kazuki
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	A polycarbonate diol composition contains: a polycarbonate diol containing a structural unit (1) derived from a compound (1) represented by the following general formula (1); HO-(CH2)n-OH (1) (n is an integer of 3 to 6) and an aldehyde having 3 or more and 8 or less carbon atoms. A method for producing a polycarbonate diol composition, includes: polycondensing a carbonate compound and a dihydroxy compound composition containing a compound (1) represented by the following general formula (1) and an aldehyde having 3 or more and 8 or less carbon atoms by a transesterification reaction in the presence of a catalyst, to obtain a polycarbonate diol composition containing a polycarbonate diol. A polyurethane is obtained by using this polycarbonate diol composition.