Polyurethanes, formed through the reaction of raw polyols with isocyanates, are one of the most widely used types of plastics today. By varying the starting materials, a diverse range of plastics can ...
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 ...
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