Fabio Aguirre, Adam Grzesiak, Asjad Shafi and Yohannes Ghirmazion, The Dow Chemical Co.12.03.18
Dow Polyurethanes strives to provide the information customers need to guide the selection of raw materials for their formulations and targeted applications. The information is tailored for formulators that use first principles as well as for those that only need the data required to balance the stoichiometry of their systems.
To improve our customer’s experience we have developed searching and modeling tools that would allow formulators not only to quickly find the components they need but also to predict the viscosity of basic prepolymers and quasi-prepolymers.
We have also developed other modeling tools capable of predicting the curing time and viscosity buildup of coating systems in a broad range of seasonal temperatures. In this paper, we demonstrate some of the capabilities that can be used by formulators to select polyols based on first principles. Also discussed are the fundamentals behind the mechanistic models that predict prepolymer viscosity as a function of temperature, as well as curing profiles of coating systems at several temperatures as a function of time.
Introduction
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To improve our customer’s experience we have developed searching and modeling tools that would allow formulators not only to quickly find the components they need but also to predict the viscosity of basic prepolymers and quasi-prepolymers.
We have also developed other modeling tools capable of predicting the curing time and viscosity buildup of coating systems in a broad range of seasonal temperatures. In this paper, we demonstrate some of the capabilities that can be used by formulators to select polyols based on first principles. Also discussed are the fundamentals behind the mechanistic models that predict prepolymer viscosity as a function of temperature, as well as curing profiles of coating systems at several temperatures as a function of time.
Introduction
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