Relationship of Reaction Temperature on Phosphate Oligomers Reactivity to Properties of Soy-Polyurethane

Authors: Flora Elvistia Firdaus

Abstract:

Polyurethane foam (PUF) were prepared by reacting polyols synthesized from soy-oil into mixture of 2,4- Toluene diisocyanate (TDI) with 4,4--Methylene Diamine Isocyanate (MDI) with ratio of 70:30. The polyols obtained via esterification reaction were categorize into different temperature of reaction and by used of varied concentration of phosphoric acid catalyst. The purpose of catalysts is to shifting selectivity to a desired and value added of product. The effect of stoichiometric balance (molar ratio of epoxide/ethylene glycol) to the concentration of the catalyst on the final properties was evaluated.

Keywords: temperature, phosphate, soy polyurethane

Digital Object Identifier (DOI): doi.org/10.5281/zenodo.1328996

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