UV‐derivativspektrophotometrie höherer ordnung an azogruppenhaltigen polycarbonaten

Talsky, Gerhard; Gerum, Johannes; Nuyken, Oskar

doi:10.1002/macp.1979.021800225

Cited by 12 publications

(2 citation statements)

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“…Molecular weight is determined by osmometry, viscometry, or HPLC (25)(26)(27)(28)(29)(31)(32)(33). Elemental analyses (25)(26)(27)(28)(29), UV spectroscopy (25)(26)(27)29,31,32), derivative UV spectroscopy (35), DSC (36), and 1 H NMR spectroscopy (28,30) are used for determining azo content. The thermal properties of polymers containing side-chain azo groups are similar to those of the low molecular-weight monomers.…”

Section: N2o3mentioning

confidence: 99%

“…A more specialized polycondensation reaction (52) (35) In an attempt to produce highly conjugated polymers, 4,4diaminoazobenzene was treated with terephthaldehyde to give a condensation product (36) with n = 4-6 (53). Temperatures of ca 0 • C are necessary for the formation of polymeric azo compounds by the coupling reaction of diazonium salts (56)(57)(58)(59).…”

Section: N2o3mentioning

confidence: 99%

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Azo Polymers

Nuyken¹

2011

Encyclopedia of Polymer Science and Technology

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Azo‐containing polymers (azo polymers) can be formally classified according to a variety of criteria. In this review, the thermal stability of the NN group is the principal criterion. A further subdivision, according to the position of the NN group, is main‐chain azo groups, where each monomer unit contains a stable or unstable azo function or in copolymers in which one component contains an azo group, vs. side‐chain azo groups, where each monomer contains an azo group or in copolymers in which one component contains an azo function.

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Section: N2o3mentioning

confidence: 99%

Section: N2o3mentioning

confidence: 99%

Azo Polymers

Nuyken¹

2011

Encyclopedia of Polymer Science and Technology

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Pfropfung azogruppenhaltiger Polycarbonate, 2

Nuyken

Gerum

Kerber

1980

Angew. Makromol. Chem.

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Higher‐order derivative spectrophotometry for studying and characterization of proteins and other native and synthetic macromolecules

Talsky

Dostal

Glasbrenner

et al. 1982

Angew. Makromol. Chem.

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Higher-order derivative spectrophotometry is very well adapted to the analytical chemistry of native and synthetic macromolecules. This is shown with the aid of some characteristic examples. The following ones have been described: The investigation of iso-forms of LDH, of myoglobins (whale and horse), of oligomer enzymes, the studying of the surroundings of the chromophores phe, tyr and trp in proteins, and of protein powder spectra; further spectra of nucleid acid, the quantitative estimation of monomers and additives in synthetic polymers, and the characterization of poly(viny1 pyrrolidons) of different molecular weights. ZUSAMMENFASSUNG:Die Derivativspektrophotometrie h6herer Ordnung eignet sich sehr gut zur Analyse naturlicher und synthetischer Makromolekule. Es werden beschrieben: Untersuchungen der iso-Formen der LDH und oligomerer Enzyme, das Studium der Umgebung der Chromophoren Phe, Tyr und Trp in Proteinen sowie Protein-Pulverspektren; weiter Spektren von Nucleinsguren, die quantitative Bestimmung von Monomeren und Additiven in synthetischen Polymeren sowie die Charakterisierung von Polyvinylpyrrolidonen mit unterschiedlichen Molekulargewichten.

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UV‐derivativspektrophotometrie höherer ordnung an azogruppenhaltigen polycarbonaten

Cited by 12 publications

References 4 publications

Azo Polymers

Azo Polymers

Pfropfung azogruppenhaltiger Polycarbonate, 2

Higher‐order derivative spectrophotometry for studying and characterization of proteins and other native and synthetic macromolecules

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