One of the most commonly used varieties of plastic are polyurethanes. They are created from the reaction of raw polyols with isocyanates. A large variety of plastics can be acquired depending on the ...

The quality and value of a product are inherently connected. In the case of oils and fats, this may be complex to establish by looks alone. Particularly in high-cost natural oils from plant sources, ...

The determination of diethylene glycol content, isophthalic acid content, intrinsic viscosity (ASTM D4603), and acid number (AN) in polyethylene terephthalate (PET) is a lengthy and challenging ...