Academic literature on the topic 'Bromobutyl'

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Journal articles on the topic "Bromobutyl"

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Khakimullin, Yuri N., Larisa Yuryevna Zakirova, and Alfred D. Khusainov. "Determination of the Composition of Substances Migrating from Plugs Based on Bromo-Butyl Rubber into Infusion and Injection Preparations." Key Engineering Materials 869 (October 2020): 135–39. http://dx.doi.org/10.4028/www.scientific.net/kem.869.135.

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The results of experimental studies of the composition of individual substances migrating from medical rubber plugs produced both in and abroad based on technical bromobutyl rubber are presented. The quantitative content of volatile organic compounds related to species impurities of gasoline was determined by gas chromatography from a standard glass bottle sealed with a sterile stopper based on bromobutyl rubber. The method of atomic emission spectroscopy was used to determine (indirect) the presence of organometallic, organosulfur and metal-inorganic compounds that did not pass through chroma
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Wang, Qing-Peng, Juan-Juan Chang, Hui-Zhen Zhang, Jing-Song Lv, and Cheng-He Zhou. "9-(4-Bromobutyl)-9H-carbazole." Acta Crystallographica Section E Structure Reports Online 68, no. 4 (2012): o1112. http://dx.doi.org/10.1107/s1600536812010987.

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In the title compound, C16H16BrN, the bromobutyl group lies on one side of the carbazole ring plane and has a zigzag shape. The dihedral angle between the two benzene rings is 0.55°. In the crystal, molecules are connected by van der Waals interactions.
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Moreno-Fuquen, Rodolfo, Carlos Grande, Rigoberto C. Advincula, Juan C. Tenorio, and Javier Ellena. "9-(4-Bromobutyl)-9H-carbazole." Acta Crystallographica Section E Structure Reports Online 68, no. 6 (2012): o1853. http://dx.doi.org/10.1107/s1600536812022398.

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In the title compound, C16H16BrN, the tricyclic carbazole system is essentially planar (r.m.s. deviation of all non-H atoms = 0.010 Å). The dihedral angle between the two outer carbazole rings is 1.1 (3)°. There are no directional intermolecular contacts in the crystal packing.
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Galuska, A. A. "Surface chemistry of bromobutyl binary blends." Surface and Interface Analysis 27, no. 10 (1999): 889–96. http://dx.doi.org/10.1002/(sici)1096-9918(199910)27:10<889::aid-sia645>3.0.co;2-g.

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Chu, Chia Yeh, Kenneth Norman Watson, and Rastko Vukov. "Determination of the Structure of Chlorobutyl and Bromobutyl Rubber by NMR Spectroscopy." Rubber Chemistry and Technology 60, no. 4 (1987): 636–46. http://dx.doi.org/10.5254/1.3536147.

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Abstract An analysis of the 1H and 13C NMR spectra of the chlorobutyl and bromobutyl rubbers was performed. Peaks were assigned based on evidence from broad-band decoupled, off-resonance decoupled, selectively decoupled and J-modulated spectra, the known characterization of butyl rubber and halogenation studies on model compounds. The assignment of the minor peaks indicated that the exomethylene-type structure is predominant in both halogenated rubbers. They also contain some nonhalogenated isoprenyl units. Bromobutyl rubber also contains some α-bromomethyl-type structures resulting from rearr
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Liu, Yunkui, and Yongmin Zhang. "Tetrahydrofuran Ring Opening with Acyloxyphosphonium Bromide Catalysed by Allylsamarium Bromide: A Novel and Effective Method for the Preparation of 4-Bromobutyl Esters." Journal of Chemical Research 2002, no. 1 (2002): 15–16. http://dx.doi.org/10.3184/030823402103170493.

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A tetrahydrofuran ring can be opened with acyloxyphosphonium bromide generated in situ catalysed by allylsamarium bromide to afford 4-bromobutyl esters under mild conditions in good to excellent yields.
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Davis, Benjamin G., Steven D. Wood, and Michael AT Maughan. "Towards an unprotected self-activating glycosyl donor system: Bromobutyl glycosides." Canadian Journal of Chemistry 80, no. 6 (2002): 555–58. http://dx.doi.org/10.1139/v02-029.

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Bromobutyl mannopyranosides have been successfully used as both protected and unprotected glycosyl donors both with and without the use of an external activator.Key words: glycosylation, unprotected glycosyl donors, oligosaccharides.
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Xie, Pei, Kai Wang, Peijian Wang, Yang Xia, and Guangsheng Luo. "Synthesizing bromobutyl rubber by a microreactor system." AIChE Journal 63, no. 3 (2016): 1002–9. http://dx.doi.org/10.1002/aic.15431.

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Stein, Sebastian, Anton Mordvinkin, Brigitte Voit, Hartmut Komber, Kay Saalwächter, and Frank Böhme. "Self-healing and reprocessable bromo butylrubber based on combined ionic cluster formation and hydrogen bonding." Polymer Chemistry 11, no. 6 (2020): 1188–97. http://dx.doi.org/10.1039/c9py01630a.

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The properties of modified bromobutyl rubber are strongly influenced by competing interactions via hydrogen bridges and ionic cluster formation. Dynamic network formation enables self-healing and reprocessability of the material.
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Puskas, Judit E., and Gabor Kaszas. "Blends of Butyl and Bromobutyl Rubbers and Polystyrene—Polyisobutylene—Polystyrene (PS—PIB—PS) Block Copolymers with Improved Processability and Physical Properties." Rubber Chemistry and Technology 74, no. 4 (2001): 583–600. http://dx.doi.org/10.5254/1.3544959.

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Abstract An investigation of the effects of polystyrene—polyisobutylene linear triblock and three-arm star block thermoplastic elastomers on the processability and properties of butyl and bromobutyl rubbers was undertaken. All properties improved, with the exception of bromobutyl adhesion, which remained acceptable. The green strength of raw polymer blends improved by 30–80% and 5–20% improvement was seen on the carbon black compounds. Die swell was reduced by as much as 60% for compounds containing a triarm-star block. Tear strength doubled and air permeability decreased (by about) 20–40%. Fa
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Dissertations / Theses on the topic "Bromobutyl"

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Monmoton, Sophie. "Polyélectrolytes linéaires et hyperramifiés par poly(N-alkylation) de pyridines substituées." Paris 6, 2007. http://www.theses.fr/2007PA066163.

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Ce travail est consacré à la synthèse et à la caractérisation de nouveaux polyélectrolytes de type polypyridiniums linéaires et hyperramifiés, ces derniers pouvant ouvrir la voie à la préparation de « micelles monomoléculaires ». La synthèse des polymères a été réalisée par poly(N-alkylation) de pyridines substituées. Les polymères linéaires sont obtenus à partir de deux monomères commerciaux de type AB : la 3-bromométhylpyridine hydrobromée et la 4-bromométhylpyridine hydrobromée. La modification de leur contre-ion permet de moduler leurs propriétés thermiques et leurs solubilités. De nouveau
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MALMBERG, SEAN MAGNUS. "Nucleophilic Catalysis of Brominated Butyl Rubber Substitution Reactions." Thesis, 2009. http://hdl.handle.net/1974/5257.

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The allylic bromide functionality within brominated poly(isobutylene-co-isoprene), or BIIR, is amenable to substitution by a wide range of nucleophiles. The objective of this work was to gain insight into the dynamics of these substitution reactions, and to develop methods for accelerating these processes. Of particular interest was the reactivity of exomethylene (Exo-Br) and bromomethyl (BrMe) isomers found within BIIR toward various nucleophiles, and catalytic techniques for affecting the proportion of these isomers. BIIR isomerization can be catalyzed through ionic chemistry involving so
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Faba, Michael A. J. "Latent Amine Cures of Brominated Poly(isobutylene-co-isoprene)." Thesis, 2010. http://hdl.handle.net/1974/5422.

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The allylic bromide functionality within brominated poly(isobutylene-co-isoprene), or BIIR, alkylates primary amines repeatedly to generate thermoset products at reaction rates that are too fast to support commercial rubber processing operations. The objective of this work was to assess the utility of latent N-nucleophiles as curatives and modification reagents for BIIR. Ideally, BIIR formulations containing these latent amines would not cure at standard compound mixing temperatures, but support high crosslinking rates and yields upon heating to conventional vulcanization temperatures. Car
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Book chapters on the topic "Bromobutyl"

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Scagliusi, Sandra R., Elisabeth C. L. Cardoso, and Ademar B. Lugão. "Effect of Gamma Radiation on the Mechanical and Degradation Properties of Bromobutyl Rubber Compounds." In TMS2015 Supplemental Proceedings. John Wiley & Sons, Inc., 2015. http://dx.doi.org/10.1002/9781119093466.ch156.

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Scagliusi, Sandra R., Elisabeth C. L. Cardoso, and Ademar B. Lugão. "Effect of Gamma Radiation on the Mechanical and Degradation Properties of Bromobutyl Rubber Compounds." In TMS 2015 144th Annual Meeting & Exhibition. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-48127-2_156.

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Massey, Liesl K. "Bromobutyl Rubber." In Permeability Properties of Plastics and Elastomers. Elsevier, 2003. http://dx.doi.org/10.1016/b978-188420797-6.50080-2.

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Ciullo, Peter A., and Norman Hewitt. "BROMOBUTYL INNERLINER COMPOUND." In The Rubber Formulary. Elsevier, 1999. http://dx.doi.org/10.1016/b978-081551434-3.50111-1.

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Ciullo, Peter A., and Norman Hewitt. "BROMOBUTYL PHARMACEUTICAL CLOSURE." In The Rubber Formulary. Elsevier, 1999. http://dx.doi.org/10.1016/b978-081551434-3.50117-2.

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Wypych, George. "BIIR bromobutyl rubber." In Handbook of Polymers. Elsevier, 2012. http://dx.doi.org/10.1016/b978-1-895198-47-8.50007-2.

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Wypych, George. "BIIR bromobutyl rubber." In Handbook of Polymers. Elsevier, 2016. http://dx.doi.org/10.1016/b978-1-895198-92-8.50008-2.

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Ciullo, Peter A., and Norman Hewitt. "BROMOBUTYL HIGH TEMPERATURE HOSE." In The Rubber Formulary. Elsevier, 1999. http://dx.doi.org/10.1016/b978-081551434-3.50101-9.

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Ciullo, Peter A., and Norman Hewitt. "BROMOBUTYL CONVEYOR BELT COVER." In The Rubber Formulary. Elsevier, 1999. http://dx.doi.org/10.1016/b978-081551434-3.50107-x.

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Massey, Liesl K. "Butyl Rubber, Bromobutyl Rubber, and Chlorobutyl Rubber." In The Effects of UV Light and Weather on Plastics and Elastomers. Elsevier, 2007. http://dx.doi.org/10.1016/b978-081551525-8.50073-7.

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Conference papers on the topic "Bromobutyl"

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Qiao, Yingjie, Xiaohong Zhang, Xichuan Li, and Xiang Wang. "Preparation and damping properties of PZT/acetylene carbon black/bromobutyl rubber composites." In International Conference on Smart Materials and Nanotechnology in Engineering. SPIE, 2007. http://dx.doi.org/10.1117/12.779127.

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