Do you believe that there is a correlation between rubber tack & viscosity of the compound?

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David Nieto Simavilla

Sandun,

I believe not. I have worked in the past with PDMS, PIB, PBD and PI rubbers. PIB was the tackiest but I don't think it correlates to its viscosity. Tackiness is more related to the work of adhesion between your material and other surfaces (interface property) while viscosity is a measure of the internal resistance to flow (bulk property).

Best,

David

Sandun Gunathilake

Here we have tested samples of a compound to analyse ML vs Tack.

Is that reduced viscosity in mL/g? I did not know that you were looking at solutions of the same polymer. If that is the case, it makes sense that you find correlation between the two.