POLYCARBONATE DIOL AND POLYURETHANE USING SAME

The present invention relates to a polycarbonate diol comprising a structural unit derived from a compound represented by the following formula (A) and a structural unit derived from a compound represented by the following formula (B), wherein the hydroxyl value is from 20 to 450 mg-KOH/g:[Chem. 1] ...

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Bibliographische Detailangaben
Hauptverfasser: KUSANO KAZUNAO, KANAMORI YOSHIKAZU, NAKAGAWA YOKO, YANO KAORI
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:The present invention relates to a polycarbonate diol comprising a structural unit derived from a compound represented by the following formula (A) and a structural unit derived from a compound represented by the following formula (B), wherein the hydroxyl value is from 20 to 450 mg-KOH/g:[Chem. 1]        HO-R1-OH     (A)        HO-R2-OH     (B)whereinin formula (A), R1represents a substituted or unsubstituted divalent alkylene group having a carbon number of 3 to 5, andin formula (B), R2represents a substituted or unsubstituted divalent alkylene group having a carbon number of 8 to 20.