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Author Topic: Polymer formulation calculation  (Read 312 times)

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MOF

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Polymer formulation calculation
« on: February 14, 2019, 06:24:17 PM »

Hello guys, I would like to ask you some help calculating a formulation for a polyurethane.

I am using TDI and Glycerol in molar ratio 1 to 1 with a total feed of monomers of 5g.

I have been really struggling :( and till now i couldnt find the solution. Any help is very welcome, thanks in advance.
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chenbeier

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Re: Polymer formulation calculation
« Reply #1 on: February 15, 2019, 01:44:32 AM »

How many hydroxyl groups you have and how many isocyanate groups. Ratio is how much. The result will be an excess of one kind of group.
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