BIODEGRADABLE PIPE, FERTILIZER FEEDING DEVICE USING BIODEGRADABLE PIPE, PIPING STRUCTURE USING BIODEGRADABLE PIPE, AND PIPING METHOD, WORK METHOD, AND FERTILIZER FEEDING METHOD USING BIODEGRADABLE PIPE

摘要

PROBLEM TO BE SOLVED: To provide a biodegradable pipe excellent in rigidity, heat resistance, and shock resistance.;SOLUTION: The biodegradable pipe is composed mainly of 50-95 wt.% lactic acid resin where a weight ratio between L-Lactic acid and D-lactic acid is 100:0-90:10 or 0:100-10:90, and 5-50 wt.% aliphatic polyester resin, and 5-50 wt.% aliphatic polyester resin having a glass transition temperature (Tg) of 0C or below.;COPYRIGHT: (C)2002,JPO