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Polymer & Polyol Analysis
2022|Metrohm|Applications
INTERVIEWPolymer & Polyol AnalysisFast and reliable with NIR SpectroscopyThe Metrohm near-infrared XDS RapidLiquid Analyzer is proven to be a valuable instrument for easyand reliable quality control of both the startingmaterials and intermediate products of polyols andpolymers. Hydroxyl value, NCO, moisture,...
Key words
nirs, nirspolyol, polyolrapidliquid, rapidliquidwanhua, wanhuaanalyzer, analyzerinfrared, infraredxds, xdsnear, nearpolymer, polymerpolyols, polyolslaboratories, laboratoriesimplementation, implementationverification, verificationmetrohm, metrohmyou
Metrohm White PaperLean manufacturing of polyurethane,assisted by near-infrared (NIR) andRaman spectroscopyAlexander KadenkinChemical manufacturing such as polyurethane production is characterized by a cost intensive production process combined with a negative ecologicalimpact. These adverse effects can be significantlyimproved by using vibrational spectroscopy....
Key words
nir, nirmetrohm, metrohmspectroscopy, spectroscopypaper, paperwhite, whitequality, qualityproduction, productionmanufacturing, manufacturingonline, onlinepolyols, polyolslean, leandnt, dntacid, acidpolyurethane, polyurethanemdi
Application Bulletin 414Analysis of polymers using near-infrared spectroscopyBranchPlastics and polymersKeywordsNear-infraredspectroscopy,polymer,monomer,polymerization,polypropylene,polyethylene,PET,polyuethane, polystyrene, resin, polyols, polyesters,polyolefin, hydroxyl number, hydroxyl value, acid value,density, melt flow index, melt flow rate, viscosity, additive,carboxyl end group, carboxyl number.SummaryThis Application Bulletin presents some examples of NIRapplications and...
Key words
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Near-Infrared Spectroscopy Application Note NIR–7Near-infrared analysis ofpolyols: process monitoring in ahostile environmentDuring polymerization, real-time determination of hydroxyl and acidnumbers of polyols provide important information about the molecularweight and the reaction end point. This Application Note sheds light onthe practical aspects...
Key words
polyol, polyolpolyols, polyolsnir, nirhydroxyl, hydroxylprocess, processbatch, batchovertone, overtonespectroscopy, spectroscopymlr, mlrproduction, productionmonitoring, monitoringendpoints, endpointsreal, realanhydroguide, anhydroguideovercooking