Flynn, Thiel, Boutell & Tanis
Polyester copolymer
 A polyester copolymer, suitable for an adhesive, is obtained by copolymerizing PA0 (A) terephthalic acid or a mixture of more than 50 mol % of terephthalic acid and at least one kind of dicarboxylic acid selected from aromatic dicarboxylic acids excluding terephthalic acid and aliphatic dicarboxylic acids, PA0 (B) a low-molecular weight diol composed of 1 to 50 mol % of 2-methyl-1,3-propanediol and 99 to 50 mol % of 1,6-hexanediol, and PA1 (C) at least one kind of high-molecular weight diol (in such an amount that the high-molecular weight diol component in the copolymer is 0 to 60 wt %) selected from polyalkylene ether glycol and polycaprolactone glycol. 
Daicel Chemical Industries, Ltd.
C C C
C08G C09J C08G
inventional inventional inventional
Yuzo Ichiro
Toga Okamoto