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Hi, Does anyone have any experience / advice on stabilizing solutions with heavy fumed silica loading (~60%)? I am seeing odd viscosity behavior in my system where stored solutions are showing...
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Hi, I am looking to see if I fully understand cationic epoxy cure and shrinkage. I have a highly filled cationic epoxy adhesive designed to achieve minimal shrinkage upon cure with UV light. My...
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Hi Everyone, I know this question has been asked a couple of times here: what is the difference between Young's modulus and storage modulus? But the reason hasn't sunk in for me yet, so I am...
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Hi! I am trying to find some studies (or be educated) on the stability of the following groups in highly acidic (pH ~ 1-3) aqueous solutions of either an oxidizing acid (sulfuric or nitric) or...
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Hi! I am looking for some specific information in regards to the minimum amount of UV intensity required to begin the photo degradation process in polymers. I understand each polymer is...
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Hi, I am looking for some insight on what exactly these values are telling me about the material. For example, I have a crosslinked polymer with a CTE Alpha 1 of 47 um/m/°C and an Alpha 2 of 220...
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I am curious what it means when the loss modulus, E", never peaks during a DMA test (increasing temp / constant frequency). I would imagine that this material never dissipates energy over the...
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