| 摘要 |
<p>An elastomeric copolyester resin having high melt strength and capable of being blow-molded The copolyester resin is made by adding to the polymerizing or initial mixture small amounts of an alkali salt of a dialkyl sulfoisophthalate. The copolyester resin contains units of terephthalic acid, butane diol, polytetramethylene glycol, and dimer acid.</p> |
