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Description
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General polymer characterization
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Quality control of Epoxy Resins--An ubiquitous polymer whose accurate and absolute characterization depends upon SEC-MALS.
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Polyacrylamides--These high molar mass polymers are ideally-suited to analyses by SEC-MALS since no suitable calibration standards exist for their
characterization.
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Polylactic Acid --a biodegradable polymer characterized with a DAWN instrument.
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Silicones--Yet another popular polymer whose linear coil characteristics do NOT lend themselves to successful column calibration. See how the DAWN
characterizes it successfully where conventional column calibration would have failed.
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High temperature GPC (polyethylenes & Polypropylenes). And if you're interested, some high temperature data from Japan on HDPE at 145 C!
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Metallocenes--These novel catalysts for polyethylenes are characterized by a High Temperature miniDAWN inside of a Waters 150C. not only are the
masses and sizes determined without reference to standards, but the branching ratios are also calculated.
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Synthetic rubber: Synthetic rubber samples differentiated using the miniDAWN.
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Polyurethane polymers in DMF
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Butadienes --a synthetic elastomer which is degraded and sheared by GPC/SEC shows remarkable characteristics when separated in a Thermal FFF channel
connected to a DAWN DSP.
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Branching of PMMA
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Low molecular weight analyses
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Nylon analyzed in chloroform
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Synthetic rubbers--Another two synthetic rubber samples (one a polybutadiene, the other a copolymer containing butadiene and styrene) were analyzed.
Because of the DAWN's ability to determine mass and size simultaneously, the samples are shown to have different conformation plots. This reveals branching
in one and not in the other.
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This application note shows the reproducibility of the MALS instruments over a study period of five years. To our knowledge, no other study has been
conducted that was of this duration.
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Star polymers are fascinating materials with special properties. The branching of these materials is especially important to understand—and
characterize. Branching information cannot be obtained by conventional GPC/SEC methods, which makes star polymers perfect for analysis by MALS.
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A polyethylene oxide (PEO) sample was characterized by size-exclusion chromatography (SEC) combined with DAWN EOS, WyattQELS, and Optilab
differential refractive index (DRI) detectors in order to study the conformation of the molecules.
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BD Medical Polyurethanes
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Dendrimers and Hyperbranched Polymers.
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Polyborane and Carborane Polymers
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Polymers with Narrow Molecular-Weight Distribution
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Coil-stretch Transition of High Molar Mass Polymers
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Calculating MALS Uncertainties
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Rigid-rod Type Polymers: poly(n-hexylisocyanate)
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Time-Dependent Light Scattering Studies
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Characterization of poly(D,L-lactide-co-glycolide) Nanoparticles
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Homo and Block Copolypeptides
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Polyaniline: Reaction Profiling Using Laser Light Scattering
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Polyanhydride Synthesis Techniques
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Poly(styrene-block-1,2-butadiene) Block Copolymers Functionalized
with Ferrocenylsilane Units
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Degradation of High Molar Mass Polymers
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Molecular Weight Degradation of Polymers
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Poly (ethylene oxide) (PEO) and Poly (methyl methacrylate) (PMMA)
as Components.
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Iron Tris(dibenzoylmethane)-centered Poly(lactic acid)
Star Polymers
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Dendrimer Based Multi-functional Devices
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Hydrolytic Degradation of Polyamide 11
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Mechanistic Breakdown of a Therapeutic Bio-degradable Polymer
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Telechelic Associative Polymers
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Cross-linked Polymer Microparticle Characterization
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Polystyrene Nanocomposites after Melt Intercalation
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Investigation of Branched Polydienes with GPC/MALS
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Characterization of Polyvinylcarbazole by SEC with MALS
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Multisegmented Block Copolymers by Click Chemistry and ATRP
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