Polycarbonatdiol mit ihrem anteil an primären terminalem oh

Diol de polycarbonate ayant une forte concentration de terminaux oh

Polycarbonate diol having high proportion of primary terminal oh

Abstract

Disclosed is a polycarbonate diol having diol monomer units and carbonate monomer units, wherein the amount of at least one diol monomer unit selected from the group consisting of a 1,5-pentanediol unit and a 1,6-hexanediol unit is from 50 to 100 % by mole, based on the total molar amount of the diol monomer units, and wherein the ratio of primary hydroxyl groups in all terminal groups of the polycarbonate diol is in a specific range. Also disclosed is a thermoplastic polyurethane obtained by copolymerizing the above-mentioned polycarbonate diol and a polyisocyanate.

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Patent Citations (5)

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NO-Patent Citations (1)

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    See also references of WO 0190213A1

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