Polyoxalate resin and shaped articles and resin compositions comprising same

摘要

A biodegradable polyoxalate resin having a high melt-formability by the formula: X&Brketopenst;O-A-O-CO-CO&Brketclosest;nY in which A=C3-C12 divalent aliphatic hydrocarbon group, X=H; R-OCOCO- or OHC- group, Y=-OR, -OAOH or -OAOCHO when X=H-, or -OR or -OAOCHO when X=R-OCOCO- or OHC-, R=C1-C4 alkyl, and is usable in a resinous composition with a poly(lactic acid) resin.