Determination of additives in polymer pellets by near-infrared spectroscopy

Application Bulletin 414 Analysis of polymers using near-infrared spectroscopy Branch Plastics and polymers Keywords Near-infrared spectroscopy, polymer, monomer, polymerization, polypropylene, polyethylene, PET, polyuethane, polystyrene, resin, polyols, polyesters, polyolefin, hydroxyl number, hydroxyl value, acid value, density, melt flow index, melt flow…

Near-Infrared Spectroscopy Application Note NIR–7 Near-infrared analysis of polyols: process monitoring in a hostile environment During polymerization, real-time determination of hydroxyl and acid numbers of polyols provide important information about the molecular weight and the reaction end point. This Application…

Near-Infrared Spectroscopy Application Note NIR–3 Analysis of copolymer levels in polymer pellets by near-infrared spectroscopy This Application Note describes the determination of copolymer levels in polyethylene (PE) and polyvinylacetate (PVA) pellets using NIRS. Without any sample preparation and within less…

Application Bulletin 409 Analysis of chemicals using near-infrared spectroscopy Branch Chemicals Keywords Near-infrared spectroscopy, chemicals, process monitoring, chemical reaction, moisture determination, hydrocarbon, acid, resin, solvent. No. 5: Qualitatively differentiating aqueous solutions of aluminum chlorhydroxide and AIC136H20, and solids aluminum zirconium…