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US 10,815,403 B2Granted
Polyester resin composition for a hot-melt adhesive
AssigneeSK Chemicals Co., Ltd.
InventorsDong Hun Yi, Soon-Ki Kim, Hyung-gon Kim, Jong-ki Sim
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Abstract
The present invention relates to a polyester resin composition for a hot melt adhesive and a polyester resin produced therefrom. The polyester resin is excellent in adhesiveness to plate substrates, flexibility, and processability.
Claims13
A polyester resin composition for a hot melt adhesive, which comprises an acid component comprising an aromatic dicarboxylic acid and an aliphatic acid;
- and an alcohol component comprising an aliphatic dihydric alcohol and a polyether-based polyol,
- wherein the acid component comprises 50 to 85% by mole of the aromatic dicarboxylic acid and 15 to 50% by mole of the aliphatic acid based on the total number of moles of the acid component,
- the alcohol component comprises 90 to 98% by mole of the aliphatic dihydric alcohol and 2 to 10% by mole of the polyether-based polyol based on the total number of moles of the alcohol component, and
- the polyether-based polyol comprises 1 to 5% by mole of polyethylene glycol and 1 to 5% by mole of polytetramethylene glycol based on the total number of moles of the alcohol component.
1 more element
Dependencies are inferred from the claim text.