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US 2020/0048514 A1Published application
Reactive Hot-Melt Adhesive
AssigneeThe Yokohama Rubber Co., Ltd.
InventorMisaki Matsumura
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Abstract
The present technology provides a reactive hot-melt adhesive including a urethane prepolymer formed from a polyol and a polyisocyanate; and a thermoplastic poly (meth)acrylic resin; the polyol including a bifunctional polyol including polypropylene glycol and polyethylene glycol, a trifunctional polyol, and a polyester polyol having a glass transition temperature of from 20 to 60° C.
Claims16
A reactive hot-melt adhesive comprising a urethane prepolymer formed from a polyol and a polyisocyanate;
- and a thermoplastic poly (meth)acrylic resin,
- the polyol comprising a bifunctional polyol comprising polypropylene glycol and polyethylene glycol,
- a trifunctional polyol, and
- a polyester polyol having a glass transition temperature of from 20 to 60° C.
1 more element
Dependencies are inferred from the claim text.