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Description |
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| 1 |
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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| 3 |
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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| 4 |
Polylactic Acid --a biodegradable polymer characterized with a DAWN instrument. |
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| 5 |
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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| 6 |
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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| 7 |
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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| 8 |
Synthetic rubber: Synthetic rubber samples
differentiated using the miniDAWN. |
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| 9 |
Polyurethane polymers in DMF |
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| 10 |
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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| 11 |
Branching of PMMA |
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| 12 |
Low molecular weight analyses |
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| 13 |
Nylon analyzed in chloroform |
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| 14 |
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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| 15 |
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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| 16 |
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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| 17 |
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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| 18 |
BD Medical Polyurethanes |
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| 19 |
Dendrimers and Hyperbranched Polymers. |
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| 20 |
Polyborane and Carborane
Polymers |
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| 21 |
Polymers with Narrow Molecular-Weight Distribution |
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| 22 |
Coil-stretch Transition of High
Molar Mass Polymers |
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| 23 |
Calculating MALS Uncertainties |
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| 24 |
Rigid-rod Type Polymers: poly(n-hexylisocyanate) |
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| 25 |
Time-Dependent Light Scattering
Studies |
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| 26 |
Characterization of poly(D,L-lactide-co-glycolide) Nanoparticles |
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| 27 |
Homo and Block Copolypeptides |
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| 28 |
Polyaniline: Reaction Profiling Using Laser Light Scattering |
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| 29 |
Polyanhydride Synthesis Techniques |
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| 30 |
Poly(styrene-block-1,2-butadiene) Block Copolymers Functionalized
with Ferrocenylsilane Units |
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| 31 |
Degradation of High Molar Mass Polymers |
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| 32 |
Molecular Weight Degradation of Polymers |
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Poly (ethylene oxide) (PEO) and Poly (methyl methacrylate) (PMMA)
as Components. |
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| 34 |
Iron Tris(dibenzoylmethane)-centered Poly(lactic acid)
Star Polymers |
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Dendrimer Based Multi-functional Devices |
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| 36 |
Hydrolytic Degradation of Polyamide 11 |
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| 37 |
Mechanistic Breakdown of a Therapeutic Bio-degradable Polymer |
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| 38 |
Telechelic Associative Polymers |
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| 39 |
Cross-linked Polymer Microparticle
Characterization |
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| 40 |
Polystyrene Nanocomposites after Melt Intercalation |
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| 41 |
Investigation of Branched Polydienes
with GPC/MALS |
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| 42 |
Characterization of Polyvinylcarbazole by SEC with MALS |
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| 43 |
Multisegmented Block Copolymers by
Click Chemistry and ATRP |
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Wyatt Technology is the world leader in providing the most advanced macromolecular and nanoparticle characterization tools. These instruments and software may be used to determine the absolute molecular weight and or size of macromolecules and nanoparticles and include: multi-angle light scattering, dynamic light scattering, high through-put dynamic light scattering, field flow fractionation, refractive index and viscometry detection.