%0 Journal Article %T The Synergize effect of Chain extender to Phosporic acid catalyst to the ultimate property of Soy-Polyurethane %A Firdaus, Flora Elvistia %J Journal of Physics: Conference Series %V 710 %N 1 %P 8 %@ 1742-6596 %D 2016-04-01 %~ DeepDyve