Polyurethane resin, paint, structure, and article
AssigneeDainichiseika Color & Chemicals Mfg. Co., Ltd.
InventorsMikiyoshi NAMURA, Ryouhei INOU, Katsuyuki FUKUI, Kazuya SASAKI
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Abstract
Disclosed is a polyurethane resin containing a polyol component and an isocyanate component, wherein (1) the polyol component contains a polycarbonate diol component, and the isocyanate component contains a linear aliphatic isocyanate, (2) the polycarbonate diol component has a number-average molecular weight of 500 to 3000, and contains a diol-derived structure having 3 to 10 carbon atoms in the structure thereof, and (3) 10 mol % or more of the isocyanate component is a linear aliphatic isocyanate component having 4 to 10 carbon atoms.
Claims16
A polyurethane resin, comprising
- a polyol component;
- and
- an isocyanate component,
- and satisfying (1) to (3):
- (1) the polyol component contains a polycarbonate diol component, and the isocyanate component contains a linear aliphatic isocyanate;
- (2) the polycarbonate diol component has a number-average molecular weight of 500 to 3000, and contains a diol-derived structure having 3 to 10 carbon atoms in the structure thereof, and
- (3) 10 mol % or more of the isocyanate component is a linear aliphatic isocyanate component having 4 to 10 carbon atoms.
Dependencies are inferred from the claim text.