Near-infrared analysis of polyols: process monitoring in a hostile environment

Near-Infrared Spectroscopy Application Note NIR–6 Near-infrared analysis of polyols This Application Note describes a fast, nondestructive, and reliable NIRS method for the determination of the hydroxyl number in polyols. Results are available in real-time, for which reason NIRS is highly…

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…

Metrohm White Paper Lean manufacturing of polyurethane, assisted by near-infrared (NIR) and Raman spectroscopy Alexander Kadenkin Chemical manufacturing such as polyurethane production is characterized by a cost intensive production process combined with a negative ecological impact. These adverse effects can…

Application Note: 51594 FT-NIR for Online Analysis in Polyol Production Abstract Key Words • Acid Number • Ethylene Oxide • FT-NIR • Hydroxyl Value • Polyester • Polyols Hydroxyl value and other related parameters are very important Quality Control (QC)…