Polarized Raman study of random copolymers of propylene with olefins

Gen, D. E.; Chernyshov, Konstantin; Prokhorov, K. A.; Nikolaeva, G. Yu.; Sagitova, E.A.; Пашинин, П. П.; Kovalchuk, Anton; Klyamkina, A. N.; Недорезова, П. М.; Optov, V. A.; Shklyaruk, B. F.

doi:10.1134/s1054660x10120017

Cited by 15 publications

(5 citation statements)

References 25 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…c) show additional vibrational bands at 1060, 1080, 1130, 1290, and 1412 cm −1 characteristic of PE . These bands match with the presence of a PP + PE blend instead of only coPP/PE in skin tape, since the Raman spectra of coPP/PE do not show PE peaks.…”

Section: Resultsmentioning

confidence: 67%

The morphological properties of PP coextruded tape fabrics

Marsich

Ferluga

Venturini

et al. 2016

Polymer Engineering & Sci

View full text Add to dashboard Cite

In the field of self-reinforced composites many researchers have focused their attention on the coextruded tapes composed of polypropylene core and PP/PE copolymer skin. Two similar commercial fabrics (P and T) have been compared in respect of their peel resistance. For both materials, peel resistance has a periodic trend that regularly follows fabric weave style. T has demonstrated an average peel resistance and a well-bonded area slightly greater than P. Skin/core interfacial properties have been investigated and a crosscheck between differential scanning calorimetry (DSC) and Raman spectroscopy has been adopted to understand the influence of skin structure on consolidated laminate. DSC curves exhibit three melting peaks during first heating for both fabrics, corresponding to copolymer, skin/core interface, and core melting. After consolidation at 140°C stretching-induced superstructure and PP crystallinity degree are preserved. The presence of PP/PE copolymer + PE blend only in fabric P has been pointed out and PE content has been calculated. POLYM. ENG. SCI., 2016. © 2016 Society of Plastics Engineer

show abstract

Section: Resultsmentioning

confidence: 67%

The morphological properties of PP coextruded tape fabrics

Marsich

Ferluga

Venturini

et al. 2016

Polymer Engineering & Sci

View full text Add to dashboard Cite

show abstract

“…A deeper insight in follow up monitoring obtained when the contribution of peaks around 1614 and 1750 cm -1 was considered. Polarized raman spectroscopy that the phase and conformational compositions of copolymer propylene with olefins molecules depend on the side chain length of the second monomer content [31]. These peaks are due proteins which are present in anti bodies that are produced against virus in the immune system of the body.…”

Section: Sample Preparation and Measurement Of Spectramentioning

confidence: 99%

Dengue blood analysis by Raman spectroscopy

et al. 2012

View full text Add to dashboard Cite

In this work Raman spectra of normal and dengue infected serum and whole blood were analyzed. In normal whole blood and serum characteristic peaks were observed when excited at 442 and 532 nm. In dengue whole blood and serum all peaks found to be blue shifted with reduced Raman intensity. Dengue whole blood and serum shows two peaks at 1614 and 1750 cm -1 which are due to presence of Immunoglob ulin antibodies IgG and IgM. Whole study provides a route of information for diagnosis of dengue viral infec tion.

show abstract

“…Therefore, techniques are required allowing for rapid characterization/identification of algae species, and specifically to determine the degree of unsaturation of constituent fatty acids in algal lipid bodies. Raman spectroscopy can provide this biochemical information and reveal the molecular composition of the studied microorganisms and biological samples for a vast variety of applications [19][20][21][22][23][24][25][26][27][28][29][30][31][32][33][34][35][36]. The detection and identification of important, basic molecules in biological samples by using Raman spectroscopy has been summarized in two relatively recent, generic reviews [37,38].…”

Section: Raman Spectroscopy For Algal Investigation -Current Statusmentioning

confidence: 99%

Characterization of oil-producing microalgae using Raman spectroscopy

et al. 2011

View full text Add to dashboard Cite

Raman spectroscopy offers a powerful alternative analytical method for the detection and identification of lipids/oil in biological samples, such as algae and fish. Recent research in the authors' groups, and experimental data only very recently published by us and a few other groups suggest that Raman spectroscopy can be exploited in instances where fast and accurate determination of the iodine value (associated with the degree of lipid unsaturation) is required. Here the current status of Raman spectroscopy applications on algae is reviewed, and particular attention is given to the efforts of identifying and selecting oil-rich algal strains for the potential mass production of commercial biofuels and for utilization in the food industry.

show abstract

Polarized Raman study of random copolymers of propylene with olefins

Cited by 15 publications

References 25 publications

The morphological properties of PP coextruded tape fabrics

The morphological properties of PP coextruded tape fabrics

Dengue blood analysis by Raman spectroscopy

Characterization of oil-producing microalgae using Raman spectroscopy

Contact Info

Product

Resources

About