Quantitative Analysis of Ethylene—Propylene Copolymers by Infrared Spectrometry

Key, Liu; Trent, F. M.; Lewis, M. E.

doi:10.1366/000370266774385895

Cited by 5 publications

(1 citation statement)

References 9 publications

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“…EPM. Calibration of the 1378-cm-1 band in CC14 solution for bound propylene content must be done with a polymer such as hydrogenated NR or polypropylene (116). When n-alkanes were used to calibrate, lower absorptivities were found.…”

Section: Determination Of Polymers In Polymer Mixtures and Constituen...mentioning

confidence: 99%

Rubber

Wadelin¹,

Trick²

1969

Anal. Chem.

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The characterization and chemical analysis of rubber are covered by this review. Methods are included for the identification and determination of rubber or materials in rubber. Analysis of rubber chemicals before they are added to rubber is not included.The literature on chemical analysis which became available to the authors between September 1966, the end of the period covered by the last review in the series (212), and July 1968 is covered. The section on polymer characterization by physical methods includes material up to September 1968.

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Section: Determination Of Polymers In Polymer Mixtures and Constituen...mentioning

confidence: 99%

Rubber

Wadelin¹,

Trick²

1969

Anal. Chem.

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Evaluation of the propylene content in ethylene‐rich copolymers by infrared spectroscopy

Tosi

Simonazzi

1973

Angew. Makromol. Chem.

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An infrared method for the analysis of composition in copolymers of ethylene with small amounts of propylene is described. It is based on the ratio between the absorbance of the 7.25 p band and the product of the absorbance by the half-width of the 6.85 , u band. Spectra are recorded on molten samples to minimize crystallinity effects. The results obtained by this method are in good agreement with those found by means of the near-infrared method by BUCCI and SIMONAZZI. ZUSAMMENFASSUNG :Eine Ultrarotmethode zur Analyse der Zusammensetzung von Copolymeren aus Athylen mit geringen Mengen an Propylen wird beschrieben. Sie benutzt das Verhaltnis zwischen der Extinktion der Bande bei 7.25 p und dem Produkt der Extinktion mit der Halbwertsbreite der Bande bei 6.85 p. Die Spektren werden von Proben im geschmolzenen Zustand aufgenommen, um Kristallinitiitseffekte zumindest herabzusetzen. Die Ergebnisse, die unter Verwendung diever Methode erhalten werden, stimmen mit denjenigen nach der Methode von BUCCI und SIMONAZZI im nahen Ultrarot gut iiberein.

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Applications of infrared spectroscopy to ethylene-propylene copolymers

Tosi

Ciampelli

Advances in Polymer Science

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Quantitative Analysis of Ethylene—Propylene Copolymers by Infrared Spectrometry

Cited by 5 publications

References 9 publications

Rubber

Rubber

Evaluation of the propylene content in ethylene‐rich copolymers by infrared spectroscopy

Applications of infrared spectroscopy to ethylene-propylene copolymers

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