Analysis of polymer granulate by near-infrared spectroscopy
Applications | | Metrohm Instrumentation
NIR Spectroscopy
IndustriesMaterials Testing
ManufacturerMetrohm
Key wordsdensity, infrared, near, spectroscopy, granulate, granulates, model, values, quantification, nirs, identification, spectral, fom, snv, verify, quantitative, used, polymer, correlation, variate, develop, emptying, get, polyolefins, ambiguity, producer, ldpe, hdpe, method, cheap, applied, merit, rid, material, shows, reflection, description, cup, receive, fast, were, development, covers, predict, possibilities, inspection, derivative, figures, scattering, quality
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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
nir, nirindicate, indicateequivalent, equivalentspectroscopy, spectroscopysampling, samplingsummary, summarymonitor, monitorrecommended, recommendedxds, xdsresults, resultsnirs, nirspolymer, polymerinfrared, infraredused, usednear
NIR Application Note NIR-39Vis-NIR spectroscopic analysis ofwood pulps for multiparameterpredictionThis Application Note shows that visible near-infrared spectroscopy (Vis-NIRS)can simultaneously determine six pulp parameters (kappa number (titration),applied density (densimeter), pulp freeness (CSF), breaking strength (SCT),buckling strength (RCT), and tensile strength (tensometer))...
Key words
strength, strengthfreeness, freenesssecv, secvkappa, kappabuckling, bucklingnumber, numberfactors, factorstensile, tensilevis, vissec, secpulp, pulppulps, pulpsdensity, densitynirs, nirswood
AN-NIR-083Quality Control of HDPE, LDPE, and PPNon-destructive determination of polymers within one minute with NIRSSummaryIdentification of individual polymers with FT-IR spectroscopy can be a challenge due to sampleinhomogeneity especially when larger sample sizes need to be analyzed.This application note demonstrates...
Key words
metrohm, metrohmspectroscopy, spectroscopysimple, simplenir, nirpolymers, polymersday, dayinhomogeneous, inhomogeneousgranulates, granulatesmanagement, managementsql, sqlequipment, equipmentsoftware, softwarespectral, spectraldestructive, destructivevision
AN-NIR-102Density of polyolefins measured by nearinfrared spectroscopySimple routine analysis of polymer pelletsSummaryAside from melt flow rate, density is the most important parameter to describe theproperties of polyethylene (PE) materials. PE stiffness, rigidity, and heat resistance increasewith higher density. Various testing...
Key words
metrohm, metrohmdensity, densitynirs, nirserror, errormerit, meritbubbles, bubblesnir, nirfigures, figuresair, airbalance, balanceresult, resultyes, yesnearinfrared, nearinfraredspectroscopy, spectroscopyday