Search Results - "Chmela, S"

Thermally and UV initiated degradation of polypropylene in the presence of 2,5 bis(2-furylmethylene) cyclopentanone and heterogeneous distribution of hydroperoxides assessed by non-isothermal chemiluminescence in nitrogen by Rychlý, J., Rychlá, L., Fiedlerová, A., Chmela, Š., Hronec, M.

“…2,5 bis(2-furylmethylene) cyclopentanone (F2C) has been shown to be a good inhibitor of thermal oxidation of polypropylene (PP). F2C structure, namely of…”
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Nitroxide mediated styrene radical polymerization using a fluorescence marked mediator by CHMELA, S, HRCKOVA, L'

“…TEMPO derivative bearing fluorescence probe have been used as regulator for nitroxide mediated radical polymerization of styrene. Colored polystyrenes with…”
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Grafting of iPP powder with methacrylate monomers in water medium by Chmela, S̆, Fiedlerová, A, Janigová, I, Novák, I, Borsig, E

“…The grafting of different methacrylates on iPP in the solid state has been studied under various reaction conditions using a radical initiation. Three…”
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New combined hindered phenol/hindered amine stabilizers for polymers based on diphenylmethane-4,4′-diisocyanate by Kósa, Cs, Chmela, Š, Pawelke, B, Theumer, G, Habicher, W.D

“…A new type of combined stabilizer based on hindered phenols and Hindered Amine Stabilizers (HAS) were synthesized and tested as light stabilizers. 2,4-Di-…”
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Carbon Tetrachloride as a Thermoporometry Liquid Probe To Study the Cross-Linking of Styrene Copolymer Networks by Husár, B, Commereuc, S, Lukáč, I, Chmela, Š, Nedelec, J. M, Baba, M

“…Mesh size distributions (MSDs) of swollen cross-linked styrene copolymer networks have been measured by thermoporometry using CCl4 as a probe liquid. All…”
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Synthesis and transient absorption spectra of derivatives of 1,8-naphthalic anhydrides and naphthalimides containing 2,2,6,6-tetramethylpiperidine; triplet route of deactivation by Kollár, J., Hrdlovič, P., Chmela, Š., Sarakha, M., Guyot, G.

“…Novel probes represented 4-substituted 1,8-naphtalic anhydride and 1,8-naphthalimide as a chromophore and sterically hindered amine in the form of parent amine…”
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Photografting on Ethylene/Propylene/5-Ethylidene-2-norbornene Rubber Initiated by Photogenerated Hydroperoxides by Chmela, S, Teissedre, G, Lacoste, J

“…Terpolymer ethylene/propylene/5-ethylidene-2-norbornene (EPDM) reacts with singlet oxygen leading to the production of polymeric pendant isolated and…”
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Ageing of EPDM—I: Photo and thermal stability of EPDM hydroperoxides by Teissedre, G., Pilichowski, J.F., Chmela, S., Lacoste, J.

“…EPDM hydroperoxides photogenerated by singlet oxygen were decomposed both by UV (λ ≥ 300 nm) and thermal (85 °C) irradiation under vacuum. The peroxy radical…”
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On the structures and yields of the first peroxyl radicals in .gamma.-irradiated polyolefins by Carlsson, D. J, Chmela, S, Lacoste, J

“…Peroxyl radicals generated as a result of gamma -irradiation of isotactic and atactic polypropylene and high-density polyethylene have been identified and…”
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Spectral characteristics of fluorescence probes based on pyrene in solution and in polymer matrix by BUCSIOVA, L, HRDLOVIC, P, CHMELA, S

“…Spectral properties of four types of bifunctional probes based on pyrene and sterically hindered amines (HAS) were compared in solution of cyclohexane and…”
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Photooxidation of benzil groups in the presence of hindered amine stabilizers in the polystyrene film by Kósa, C., Mosnáček, J., Lukáč, I., Hrdlovič, P., Chmela, š., Habicher, W. D.

“…The photoperoxidation at λ > 400 nm of benzil (BZ) groups with the air oxygen to benzoyl peroxide (BP) groups in the polystyrene matrices was investigated in…”
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Brominated Polyethylene. Synthesis, Photooxidation and Use as the Intermediate for the Preparation of New Polymeric Stabilizers by Lukác, I., Chmela, S., Pilichowski, J. F., Lacoste, J.

“…The hydrobromination of polyoctenamer was performed using concentrated hydrogen bromide chloroform solutions. The conditions for the total hydrobromination of…”
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New combined phenol/hindered amine photo- and thermal-stabilizers based on toluene-2,4-diisocyanate by Mosnáček, J., Chmela, Š., Theumer, G., Habicher, W.D., Hrdlovič, P.

“…Reactions of toluene-2,4-diisocyanate with different phenols and different HAS (hindered amine stabilizers) were used to prepare new combined phenol/HAS. As a…”
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New combined phenol-hindered amine stabilizers for polymers based on diphenylmethane-4,4′-diisocyanate and dicyclohexylmethane-4,4′-diisocyanate by Kósa, Cs, Chmela, Š., Theumer, G., Habicher, W.D.

“…New higher molecular weight combined photo-stabilizers for polymers were synthesized, based on sterically hindered phenols and sterically hindered amines…”
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Combined oligomeric light and heat stabilizers by Chmela, Š., Lajoie, P., Hrdlovič, P., Lacoste, J.

“…A series of terpolymers containing structural units of hindered amine stabilizer (HAS), antioxidant of diphenylamine type and octadecyl alkyl chain has been…”
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Spectral and photostabilizing characteristics of adducts of aromatic hydrocarbons and hindered amine stabilizers by HRDLOVIC, P, CHMELA, S

“…The spectral characteristics and photostabilizing efficiency of adducts of aromatic hydrocarbons and hindered amine stabilizers (HASs) were investigated in…”
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Preparation, photochemical stability and photostabilizing efficiency of adducts of 1,8-naphthaleneimide and hindered amine stabilizers in polymer matrices by Chmela, Š, Danko, M, Hrdlovic, P

“…Adducts of 1,8-naphthaleneimide and hindered amine stabilizer (HAS) such as 1-R-substituted-2,2,6,6-tetramethyl-4-aminopiperidine were prepared where R is –H,…”
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Spectral Properties of Probes Containing Benzothioxanthene Chromophore Linked with Hindered Amine in Solution and in Polymer Matrices by Hrdlovič, Pavol, Chmela, Štefan, Danko, Martin, Sarakha, Mohamed, Guyot, Ghislain

“…Absorption and emission spectroscopy as well as laser flash photolysis was employed in order to characterize the spectral properties of novel probes based on…”
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Crosslinking and ageing of 13C labelled polyisoprene part 1: Synthesis and polymerisation of 4- 13C-isoprene by Pilichowski, Jean-François, Morel, Myriam, Tamboura, Farba, Chmela, Stefan, Baba, Mohamed, Lacoste, Jacques

“…4- 13C-isoprene was prepared by the Wittig reaction. All reaction steps were optimised using unlabelled compounds. By reaction with triphenyl phosphine, 13C…”
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New stabilisers for polymers on the basis of isophorone diisocyanate by Pawelke, B., Kósa, Cs, Chmela, Š., Habicher, W.D.

“…New thermal and photostabilisers on the base of a sterically hindered phenol and sterically hindered amines were synthesised by reaction with isophorone…”
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