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  1. gluedudeguru

    Ammonia Vs NaOH

    I am messing my latex paint formulation. I know that some paints have ammonia in them to adjust the pH for a few reason, the only one that i have heard is to give the pigmented color depth. Is basifying (good word) the latex paint helpful (I am currently at pH 5.5, i am aiming for pH of 9) and...
  2. gluedudeguru

    Cyanoacrylate

    Vague Question: All about Cyanoacrylates (methyl or ethyl) I am looking for any and all info related to the manufacturing of Cyanoacrylate. As far as i have been told, and it makes sense to me, the majority of CA is made overseas in China, and receive additives and mixtures by other...
  3. gluedudeguru

    Solution Vinyl Resins

    Does anyone know anything about the mess involving producers/manufacturers of solution vinyl resins. Dow used to make some, then a company in Brasil called Braskem was going to be making it, and now some company in China. Why are companies not producing this stuff anymore, is it dangerous...
  4. gluedudeguru

    pH/Solvents/Indicators Help

    I have a very hydrophobic solvent solution and its current pH is around 7. I have been trying to use phnthln as an idicator (which the system accepts seeing as though it is 95% ethanol). The problem comes when trying to pH adjust the solution with 50/50 NaOH. This being dissolved in water...
  5. gluedudeguru

    Water Based Adhesive

    Hello all, I am looking to create a new glue for my company and i/we would like it to be a water based glue. I will be gluing carbon arrow shafts to polyurethane vanes. My search started (slowly and discouragingly) with poly vinyl alcohol. It doesnt seem to have the tack and staying power...
  6. gluedudeguru

    MIBK v MEK

    There are many solvents to choose from (MEK, MIBK), does anyone know what kind of thickening or hardening effects one would have over the other. Dry time or viscosity or hydrophobic/hydrophilic qualities. Both are short hydrocarbons with ketones, seem similar to me
  7. gluedudeguru

    Solvent Based Adhesive Problems

    I am currently working on a solvent based adhesive that consists of 3 solvents and 3 vinyl resins. In the warmer summer months, this adhesive could sit for 2 days and be thick enough for packaging. These cooler days (Michigan)the adhesive is having trouble setting up. Any suggestions? More...

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