Zobrazeno 1 - 10
of 13
pro vyhledávání: '"A. F. Efremkin"'
Publikováno v:
Russian Journal of Physical Chemistry B. 14:522-524
The results of kinetic studies of the recombination of radicals in the cage and in bulk of polymers obtained by nanosecond laser photolysis are summarized. The films of rubbers (poly(ethylene-co-butylene)), biaxially oriented polypropylene depending
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::719d6f21b443e180f5c97083ffcf7123
https://doi.org/10.1134/s1990793120030197
https://doi.org/10.1134/s1990793120030197
Publikováno v:
Chemical Physics. 495:23-28
The review article is devoted to kinetics of fast reactions following photoexcitation of benzophenone in polymer films. We observed three processes by ns laser flash photolysis in elastomers: (i) decay of a triple state of benzophenone with hydrogen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::64fc303d17b885bf3b602532a1e4770d
https://doi.org/10.1016/j.chemphys.2017.08.006
https://doi.org/10.1016/j.chemphys.2017.08.006
Autor:
Igor V. Khudyakov, O. V. Shatalova, Peter P. Levin, A. V. Krivandin, Alexei F. Efremkin, Sergei Michael Lomakin
Publikováno v:
The journal of physical chemistry. A. 122(17)
The photoinduced reactions of benzophenone (B) in biaxially oriented polypropylene (BOPP) were studied with nanosecond laser photolysis (N2 laser, λ337.1 nm). The first observed transient was a triplet state 3B*. Decay of 3B* led to formation of a r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3a6c90f5ad1ef0ee2a03a44077c45cc7
https://pubmed.ncbi.nlm.nih.gov/29644856
https://pubmed.ncbi.nlm.nih.gov/29644856
Publikováno v:
Coatings, Vol 9, Iss 2, p 111 (2019)
Photoinduced elementary reactions of low-MW compounds in polymers is an area of active research. Cured organic polymer coatings often undergo photodegradation by free-radical paths. Besides practical importance, such studies teach how the polymer env
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8f9cd593a1ff5b78025b4ae38016be2c
https://doi.org/10.3390/coatings9020111
https://doi.org/10.3390/coatings9020111
Autor:
A. V. Petryaykin, T. A. Akhadov, Irina Lebedeva, A. F. Efremkin, A. S. Tyurneva, N. A. Semenova, Kaleda Vg, M. V. Ublinskiy
Publikováno v:
Doklady Biochemistry and Biophysics. 453:288-291
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::811c37b3d0001d4dbb7e4c2bbe97dcac
https://doi.org/10.1134/s1607672913060057
https://doi.org/10.1134/s1607672913060057
Publikováno v:
Photochemistry and Photobiology. 90:369-373
The kinetics of transients formed under photoexcitation of benzophenone (B) dissolved in three different polymers was studied by ns laser flash photolysis. These polymers were the soft rubbers poly (ethylene-co-butylene) (EB), polystyrene block-poly(
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::84dd05c8faae207688dba72d4deb5bd2
https://doi.org/10.1111/php.12170
https://doi.org/10.1111/php.12170
Publikováno v:
The journal of physical chemistry. A. 120(38)
The effect of polymer film elongation leading to the thinning of the film up to three times on the decay of transients was studied. Kinetics of benzophenone (B) triplet state (3)B* and ketyl free radical BH• in soft rubber poly(ethylene-co-butylene
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c2803dfc348a270ef6d60be6da996793
https://pubmed.ncbi.nlm.nih.gov/27584615
https://pubmed.ncbi.nlm.nih.gov/27584615
Publikováno v:
Russian Journal of Inorganic Chemistry. 56:252-257
The vanadyl ionic complex VO(DMSO)5(ClO4)2 (I) exhibits high catalytic activity in the polymerization of 2-hydroxyethyl methacrylate (HEMA). The changes in the vanadium oxidation state during polymerization under argon and in the presence of oxygen w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4d3ff13f441e7e1cb9ff8962d2320f97
https://doi.org/10.1134/s0036023611020112
https://doi.org/10.1134/s0036023611020112
Publikováno v:
Photochemicalphotobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology. 14(5)
The decay kinetics of intermediates produced under photolysis of benzophenone (B) dissolved in soft rubber poly(ethylene-co-butylene) films (abbreviated as E) was studied by ns laser flash photolysis in the temperature range of 263-313 K. We monitore
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6027344b7fd3d9dff175b6e91a2a5336
https://pubmed.ncbi.nlm.nih.gov/25712529
https://pubmed.ncbi.nlm.nih.gov/25712529
Autor:
V. B. Ivanov, A. F. Efremkin
Publikováno v:
Russian Chemical Bulletin. 45:1350-1352
The formation of 4-plienylaminopltenyldiplienylcarbinol and related triarylrnethne dye was observed upon the recombination of keyl and diphenylaminc radicals in surfactant micelles. The negative magnetic effect of the reaction studied reaches 1.8 and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c596d03b8b20e0e092b2315a936d39a1
https://doi.org/10.1007/bf01434210
https://doi.org/10.1007/bf01434210