Littérature scientifique sur le sujet « Pentadecyl Phenol »

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Articles de revues sur le sujet "Pentadecyl Phenol"

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Ge, Tiejun, Kaihong Tang, Yang Yu et Xiapeng Tan. « Preparation and Properties of the 3-pentadecyl-phenol In Situ Modified Foamable Phenolic Resin ». Polymers 10, no 10 (10 octobre 2018) : 1124. http://dx.doi.org/10.3390/polym10101124.

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In this present study, 3-pentadecyl-phenol was selected as a modifier to prepare a foamable phenolic resin with excellent performance, which was successfully prepared by in situ modification. Fourier transform infrared spectroscopy (FT-IR) and nuclear magnetic resonance (1H NMR, 13C NMR) were used to test and characterize the molecular structure of the modified resin. The results showed that 3-pentadecyl-phenol successfully modified the molecular structure of phenolic resin with a reduction in the resin gel time. The effect of changing the added amount of 3-pentadecyl-phenol on the mechanical properties, microstructure, and flame retardancy of the modified foam was investigated. The results showed that when the amount of added 3-pentadecyl-phenol was 15% of the total amount of phenol, this resulted in the best toughness of the modified foam, which could be increased to 300% compared to the bending deflection of the unmodified phenolic foam. The cell structure showed that the modified phenolic foam formed a more regular and dense network structure and the closed cell ratio was high. Furthermore, the compressive strength, bending strength, and limited oxygen index were improved, while the water absorption rate was lowered. However, the foam density could be kept below 40 mg/cm3, which does not affect the load.
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Kumar, Kamlesh, Marjon Boonstra et Katja Loos. « Synthesis of carbon microrings using polymer blends as templates ». RSC Advances 5, no 42 (2015) : 33294–98. http://dx.doi.org/10.1039/c5ra04185f.

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Naganagowda, Gadada, Kariska Potgieter, Reinout Meijboom et Amorn Petsom. « 5-Pentadecyl-2-((p-tolylimino)methyl)phenol ». Molbank 2013, no 3 (18 juillet 2013) : M804. http://dx.doi.org/10.3390/m804.

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Parappurath, Akhil, et Jancy Nixon Abraham. « Novel Pentadecyl Phenol-Tagged L-Tryptophan Molecules : Synthesis, Self- Assembly and Liquid Crystalline Properties ». ChemistrySelect 3, no 1 (3 janvier 2018) : 108–15. http://dx.doi.org/10.1002/slct.201702171.

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Akerele, O. S., O. M. Buraimoh, I. Humphrey et M. O. Ilori. « Degradation of polystyrene by tropical bacterial and fungal isolates ». Journal of Applied Sciences and Environmental Management 25, no 9 (29 décembre 2021) : 1721–27. http://dx.doi.org/10.4314/jasem.v25i9.26.

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Plastic waste is one of the major contributing factors to the growth of municipal solid wastes globally. It is a threat to public health and negatively impact the aquatic and terrestrial animals due to its persistence in the environment. Bacterial and fungal isolates were tested for their ability to degrade polystyrene. The cultures were grown on mineral salts medium supplemented with polystyrene as the sole carbon source in 250 mL conical flasks. The polystyrene reduced from 1 g (week 0) to 0.7g (week 7). Statistical analysis of variance (one-way ANOVA) shows a significant difference between the reduction in weight of polystyrene in the experimental flask compared to the control (P<0.05). Gas chromatography mass spectrometry analysis of biodegradation products shows that some toxic polystyrene constituents such as O-xylene, cis-9-hexadecenal and 3-phenol pentadecyl were removed.
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Molji, C., S. Renjith, K. B. Jinesh et J. D. Sudha. « Macroscopically oriented (3-pentadecyl phenol) dangled fluorene based conductive polymer through side chain engineering for microelectronics ». Express Polymer Letters 13, no 12 (2019) : 1027–40. http://dx.doi.org/10.3144/expresspolymlett.2019.90.

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Rupavani, J. N., V. Vijayalakshmi, B. S. Sitaramam et N. Krishnamurti. « Synthesis, characterization and end use evaluation of 2-allyl-3(5)-pentadecyl phenol and their acrylic/methacrylic esters ». European Polymer Journal 29, no 6 (juin 1993) : 863–69. http://dx.doi.org/10.1016/0014-3057(93)90340-l.

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Bhavsar, Ghanashyam A., et S. K. Asha. « Pentadecyl Phenol- and Cardanol-Functionalized Fluorescent, Room-Temperature Liquid-Crystalline Perylene Bisimides : Effect of Pendant Chain Unsaturation on Self-Assembly ». Chemistry - A European Journal 17, no 45 (28 septembre 2011) : 12646–58. http://dx.doi.org/10.1002/chem.201101011.

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Sudha, J. D., V. L. Reena et C. Pavithran. « Facile green strategy for micro/nano structured conducting polyaniline-clay nanocomposite via template polymerization using amphiphilic dopant, 3-pentadecyl phenol 4-sulphonic acid ». Journal of Polymer Science Part B : Polymer Physics 45, no 19 (2007) : 2664–73. http://dx.doi.org/10.1002/polb.21273.

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Elsanhoty, Rafaat M., Mohamed S. M. Soliman, Yehia A. Khidr, Gamal O. O. Hassan, Ahmed R. A. Hassan, Mohammed Aladhadh et Asmaa Abdella. « Pharmacological Activities and Characterization of Phenolic and Flavonoid Compounds in Solenostemma argel Extract ». Molecules 27, no 23 (22 novembre 2022) : 8118. http://dx.doi.org/10.3390/molecules27238118.

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Solenostemma argel is a desert medicinal plant indigenous to African countries. This research aims to study the pharmacological properties of Solenostemma argel plant. Aerial parts (leaves and flowers) of Solenostemma argel (Delile) Hayane were tested for antibacterial activity, antioxidant activity, anticancer, and anti-inflammatory activity. Phenolic and flavonoid contents of the plant were characterized. There was an increase in the antioxidant activity of Solenostemma argel extract from 12.16% to 94.37% by increasing concentration from10 µg/mL to 1280 µg/mL. The most sensitive organism was S. epidermidis with chloroform extract. The MTT assay revealed that methanolic extracts of Solenostemma argel showed potent cytotoxic effects on the A549, Caco-2, and MDAMB-231 cell lines, respectively. The anti-inflammatory activity increased by increasing the concentration of methanolic extract of Solenostemma argel, using indomethacin as a standard. Gallic acid was the most abundant phenolic acid, followed by synergic acid and p-coumaric acid, respectively. Catechin, quercetin, luteolin, kaempferol and rutin flavonoids were also found in the methanolic extract. GC-mass analysis showed that aerial parts of Solenostemma argel were rich in 2-(5-methyl-5 vinyl tetrahydro-2-furanyl)-2-propanol (11.63%), hexanoic acid methyl ester (10.93%), 3-dioxolane,4-methyl-2-pentadecyl (9.69%), phenol, 2-(1,1-dimethylethyl) (8.50%). It can be concluded that Solenostemma argel methanolic extract contain natural bioactive constituents with potential medicinal importance such as antioxidants, antimicrobial, anti-inflammatory, and anticancer activities.
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Thèses sur le sujet "Pentadecyl Phenol"

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Lepoittevin, Jean-Pierre. « Phenols, diphenols et cyclohexanediols a longues chaines derives d'allergenes naturels ». Université Louis Pasteur (Strasbourg) (1971-2008), 1987. http://www.theses.fr/1987STR13103.

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Synthese par une nouvelle methode totalement stereoselective de trans,trans alkyl-3 cyclohexanediols-1,2. Synthese du cis,trans pentadecyl-3 cyclohexanediol-1,2. Activite allergisante et tolerogenique, vis a vis de l'urushiol de ces composes. Approche de la synthese de trans,trans alcenyl-3 cyclohexanediol-1,2. Isolement et structure des principaux composes aromatiques et lipidiques de ginkgo biloba l. Isolement et structure de nouvelles (-) alkyl-3 hydroxy-8 dihydro 3,4 isocoumarines. Isolement et structure de nouveaux nonacosanesdiols. Oxydation en position non activee, par l'acide metachloroperbenzoique des acides anacardiques et des cardanols. Activite allergisante des principaux aromatiques de ginkgo biloba l. Synthese d'un catechol porteur d'un complexe tris-bipyridyle du ruthenium comme sonde de microscopie electronique
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