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US 2022/0332883 A1Published application
Curable composition and synthetic leather
AssigneeAsahi Kasei Kabushiki Kaisha
InventorsTetsuo MASUBUCHI, Eriko HOSHINO
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Abstract
A curable composition including: a component (a): a polycarbonate polyol having a hydroxyl value of 40 to 75 mgKOH/g; a component (b): a polycarbonate polyol having a hydroxyl value of 100 to 280 mgKOH/g; and a component (c): a polyisocyanate having an average number of functional groups per molecule, of 2 to 6.
Claims19
A curable composition comprising:
- a component (a):
- a polycarbonate polyol having a hydroxyl value of 40 to 75 mgKOH/g;
- a component (b):
- a polycarbonate polyol having a hydroxyl value of 100 to 280 mgKOH/g;
- and
- a component (c):
- a polyisocyanate having an average number of functional groups per molecule, of 2 to 6.
4 more elements
A curable composition comprising:
- a component (d):
- an isocyanate-terminated prepolymer comprising a unit derived from a component (a) a polycarbonate polyol having a hydroxyl value of 40 to 75 mgKOH/g and a unit derived from a component (c) a polyisocyanate having an average number of functional groups per molecule, of 2 to 6;
- and
- a component (b):
- a polycarbonate polyol having a hydroxyl value of 100 to 280 mgKOH/g.
2 more elements
A curable composition comprising:
- a component (e):
- an isocyanate-terminated prepolymer comprising a unit derived from a component (b) a polycarbonate polyol having a hydroxyl value of 100 to 280 mgKOH/g and a unit derived from a component (c) a polyisocyanate having an average number of functional groups per molecule, of 2 to 6;
- and
- a component (a):
- a polycarbonate polyol having a hydroxyl value of 40 to 75 mgKOH/g.
2 more elements
Dependencies are inferred from the claim text.