POLYESTER RESIN, HOT MELT ADHESIVE, AND HOT MELT ADHESIVE SOLUTION

摘要

This polyester resin for a hot melt adhesive includes polycarboxylic acid residues and polyhydric alcohol residues. The polycarboxylic acid residues contain aliphatic polycarboxylic acid residues in a proportion within the range of 50-80 mol%. The polyhydric alcohol residues contain propylene glycol residues in a proportion within the range of 5-60 mol%.