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Analysis of copolymer levels in polymer pellets by near-infrared spectroscopy

 

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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…
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nir, nirindicate, indicateequivalent, equivalentsampling, samplingsummary, summaryspectroscopy, spectroscopymonitor, monitorrecommended, recommendedxds, xdsresults, resultsnirs, nirspolymer, polymerinfrared, infraredused, usednear
Near-Infrared Spectroscopy Application Note NIR–4 Determination of additives in polymer pellets by near-infrared spectroscopy This Application note shows that NIR spectroscopy is an excellent tool for determining low levels of additives in finished polypropylene pellets. This is demonstrated by monitoring…
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pathlength, pathlengthvariations, variationsnir, nirpellets, pelletsspectroscopy, spectroscopydifferences, differencesspectral, spectralbands, bandsnonhomogeneous, nonhomogeneouspured, puredinfrared, infraredmodels, modelshopper, hopperdescription, descriptionadditives
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…
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hydroxyl, hydroxylpolyols, polyolsnumber, numbernir, nirpolyol, polyolend, endoxides, oxidesxds, xdssecondary, secondarynirs, nirsprimary, primarygroups, groupsamines, aminesmoisture, moistureinfrared
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…
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polyol, polyolpolyols, polyolsnir, nirhydroxyl, hydroxylprocess, processbatch, batchovertone, overtonemlr, mlrspectroscopy, spectroscopymonitoring, monitoringproduction, productionendpoints, endpointsreal, realanhydroguide, anhydroguideovercooking
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