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  1. rodrigotoledo11

    Polyester Batch Correction

    Hi, As I´m starting to study/develop polyester resin, I´ve a basic question: I´ve the following formulation: Kilograms % ?cido Ad?pico 2081,7918 62,46...
  2. rodrigotoledo11

    OH Number

    Hi, I would like to Know if there´s a faster method to check OH number of a polyester resin than the pyridine´s method (that takes 1 hours to be completed). Thank you very much, Rodrigo Toledo
  3. rodrigotoledo11

    Polyurethane Adhesive

    Hi, Does anyone here has experience with polyurethane adhesive prodution for packaging? Just for information exchange... I know the biggest producers are R&H, Henkel and COIM-Nocacote but the products of them are quite similar and I would like know what´s your opinion about trends and new...
  4. rodrigotoledo11

    Polyester Production

    Hi, I need your help: I would like to know how to improve vacuum distillation process regarding polyester production. The reaction is carried out at 220 degrees Celsius and bottom of the column at 110-120 degrees C and at these conditions much of the DEG and MEG is distilled off when removing...

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