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Littérature scientifique sur le sujet « Vulcanizatio »

Auteur : Grafiati

Publié le 9 mars 2023

Mis à jour le 31 juillet 2025

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Articles de revues sur le sujet "Vulcanizatio"

Maciejewska, Magdalena, Anna Sowińska, and Judyta Kucharska. "Organic Zinc Salts as Pro-Ecological Activators for Sulfur Vulcanization of Styrene–Butadiene Rubber." Polymers 11, no. 10 (2019): 1723. http://dx.doi.org/10.3390/polym11101723.

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Organic zinc salts and complexes were applied as activators for sulfur vulcanization of styrene–butadiene elastomer (SBR) in order to reduce the content of zinc ions in rubber compounds as compared with conventionally used zinc oxide. In this article, the effects of different organic zinc activators on the curing characteristics, crosslink densities, and mechanical properties of SBR as well as the aging resistance and thermal behavior of vulcanizates are discussed. Organic zinc salts seem to be good substitutes for zinc oxide as activators for sulfur vulcanization of SBR rubber, without detrim

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Koenig, Jack L. "Spectroscopic Characterization of the Molecular Structure of Elastomeric Networks." Rubber Chemistry and Technology 73, no. 3 (2000): 385–404. http://dx.doi.org/10.5254/1.3547598.

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Abstract In vulcanization, chemical crosslinks are formed across elastomeric polymer chains improving both the strength and elastic properties of the rubber. An understanding of the formation, structure, and stability of vulcanizates is therefore very important. Solid-state NMR and NMR imaging have been effective methods to study many different aspects of vulcanization. In solid-state NMR, several peaks appear in the C-13 spectrum of vulcanized rubber. Through model studies, NMR analysis, and chemical shift additivity calculations, these peaks were assigned to their respective vulcanizate stru

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Menon, A. R. R. "Flame-Retardant Characteristics of Natural Rubber Modified with a Bromo Derivative of Phosphorylated Cashew Nut Shell Liquid." Journal of Fire Sciences 15, no. 1 (1997): 3–13. http://dx.doi.org/10.1177/073490419701500101.

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Natural rubber (NR) in a typical semi-efficient vulcanization system was modified with flame-retardant additives such as bromo derivative of phosphorylated cashew nut shell liquid, antimony trioxide and alumina tri hydrate (ATH). Improvement in the flame retardancy of the vulcanizates was shown by the progressive increase in Limiting Oxygen Index with the concen tration of ATH. Besides, the smoke density and the smoke release rate were reduced substantially in the presence of 100 phr of ATH in the vulcanizate. Thermogravimetric analysis showed higher activation energy for decomposi tion and hi

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Wang, Jingyi, and Hongbing Jia. "The Effects of Carbon–Silica Dual-Phase Filler on the Crosslink Structure of Natural Rubber." Polymers 14, no. 18 (2022): 3897. http://dx.doi.org/10.3390/polym14183897.

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Carbon–silica dual-phase filler (CSDPF)/natural rubber (NR) vulcanizate was prepared by mechanical blending, followed by a hot-press vulcanization. The dispersion of CSDPF in the NR matrix and the effects of CSDPF on the filler–rubber interaction and structure of the rubber network were studied. Scanning electron microscope results showed that CSDPF dispersed uniformly; however, there were some aggregates of CSDPF when loading too many fillers. With an increase in CSDPF, the interaction between CSDPF and NR chains increases, which was detected by bound rubber in the CSDPF/NR compound. The spec

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Mori, Kunio, Kentaro Kanae, Hidetoshi Hirahara, and Yoshiyuki Oishi. "Formation of Surface Structure in Vulcanizates and Surface Structure Changes in Air." Rubber Chemistry and Technology 68, no. 1 (1995): 97–109. http://dx.doi.org/10.5254/1.3538734.

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Abstract The formation theory of surface structure during vulcanization was developed on the basis of an interfacial concept. The theory showed the chemical compositions of polar and nonpolar components on the vulcanizate surface to be determined as an excess interfacial free energy between rubber compounds and molds decreases. The surface free energies of molds reflected clearly the corresponding surface free energy of vulcanizates prepared from copolymers and polar polymers. Nonpolar polymers were not influenced by the surface free energies of molds. The surface free energies of vulcanizates

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Dikland, H. G., T. Ruardy, L. van der Does, and A. Bantjes. "New Coagents in Peroxide Vulcanization of EPM." Rubber Chemistry and Technology 66, no. 5 (1993): 693–711. http://dx.doi.org/10.5254/1.3538338.

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Abstract In a previous study, the mechanism of EPM peroxide vulcanization in the presence of various aromatic bis(allyl)esters was elucidated. It was concluded that the elastomer-coagent blend was phase separated and that during vulcanization chemical crosslinks are formed between the elastomer matrix and coagent domains. In this study the effect of the chemical structure of the coagent on the ultimate properties of the vulcanizate is reported. For this purpose a series of new coagents has been synthesized. It was found that bis(allyl) coagents with relatively flexible interlinking segments pr

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Hayeemasae, Nabil, Kamaruddin Waesateh, Siriwat Soontaranon, and Abdulhakim Masa. "EFFECT OF VULCANIZATION SYSTEMS AND CROSSLINK DENSITY ON TENSILE PROPERTIES AND NETWORK STRUCTURES OF NATURAL RUBBER." Jurnal Teknologi 84, no. 6 (2022): 181–87. http://dx.doi.org/10.11113/jurnalteknologi.v84.16467.

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The mechanical properties of natural rubber (NR) vulcanizate depend strongly on several factors, i.e., vulcanization systems and crosslink density. These two parameters are originally from the formulation design of the vulcanizate. To focus more on such details, influences of three different vulcanization systems (sulfur, peroxide, and phenolic resin) with variations in their crosslink densities were studied by focusing on the change of curing properties, crosslink densities, mechanical properties and network structures of the NR vulcanizates. The crosslink density of various vulcanization sys

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Joseph, Anu Mary, Benny George, K. N. Madhusoodanan, and Rosamma Alex. "CURE CHARACTERISTICS OF DEVULCANIZED RUBBER:THE ISSUE OF LOW SCORCH." Rubber Chemistry and Technology 90, no. 3 (2017): 536–49. http://dx.doi.org/10.5254/rct.17.83737.

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ABSTRACT We investigate the reasons behind the observed low scorch during the revulcanization of devulcanized rubber. Mechanically devulcanized carbon black filled natural rubber vulcanizates originally cured by conventional vulcanization (CV), semiefficient vulcanization (semi EV), efficient vulcanization (EV), and peroxide systems as well as buffing dust obtained from pre-cured tread with known formulation were used. Revulcanization of these devulcanized samples using sulfur/sulfonamide system led to the following observations; irrespective of the type of sulfur cure system used for the init

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Hu, Rongyan, Ran Xiao, Xinxin Xia, Yonggang Shangguan, and Qiang Zheng. "Ethylene-Propylene-Methylene/Isoprene Rubber/SiO2 Nanocomposites with Enhanced Mechanical Performances and Deformation Recovery Ability by a Combination of Synchronously Vulcanizing and Nanoparticle Reinforcement." Polymers 16, no. 19 (2024): 2809. http://dx.doi.org/10.3390/polym16192809.

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It is highly desired yet challenging to develop advanced elastomers with excellent mechanical properties, including high strength and toughness. In this work, strong and tough rubber/rubber compound vulcanizates were facilely prepared by blending ethylene-propylene-methylene (EPM) and isoprene rubber (IR) together with dicumyl peroxide (DCP) and subsequent vulcanization, since both EPM and IR can be vulcanized synchronously by DCP and the well-crosslinked structure of EPM/IR vulcanizate presented a stable phase separation state. By tuning their composition, EPM/IR vulcanizates could present re

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Mathew, George, P. Viswanathan Pillai, and A. P. Kuriakose. "Studies on a New Binary Accelerator System for the Sulfur Vulcanization of Styrene—Butadiene Rubber." Rubber Chemistry and Technology 65, no. 2 (1992): 277–92. http://dx.doi.org/10.5254/1.3538611.

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Abstract The chemical reactions involved when a binary accelerator system is used in rubber vulcanization varies with the systems used. The exact mechanism of these reactions is not fully understood even now. Accelerators in which sulfur is combined as S—S, C—S—C, or S—N are generally inactive at low vulcanization temperatures because of the high thermal stability of their sulfur bonds. But sulfur-containing nucleophiles such as thiourea or its derivatives enable accelerators like TMTD or CBS to operate at lower vulcanization temperature, indicating a nucleophilic reaction mechanism in these v

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Thèses sur le sujet "Vulcanizatio"

SUSANNA, ANTONIO. "Highly Efficient MeO Nanoparticles as Curing Activator for Rubber Composites." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2016. http://hdl.handle.net/10281/129620.

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The vulcanization of rubber by sulfur is a large-scale industrial process that improves the mechanical properties of unsaturated rubber by the cross-linking of polymer chains. Microcrystalline ZnO particles are currently used as activator to enhance the efficiency of the crosslinking. Due to their not easy dispersion in the rubber matrix and to the relatively small fraction of ZnO which actually reacts with the other curative compounds, a large amount of oxide is required for the process. This leads to a not homogeneous vulcanization with inefficient polymer network structure and a possible re

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Boonkerd, Kanoktip. "EFFECT OF EFFICIENCY OF SULFUR VULCANIZATION ON PROPERTIES OF GUM AND BLACK-FILLED NATURAL RUBBER VULCANIZATES." University of Akron / OhioLINK, 2006. http://rave.ohiolink.edu/etdc/view?acc_num=akron1144259529.

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Reis, Elton Aparecido Prado dos [UNESP]. "Preparação e caracterização de compósitos obtidos a partir de borracha natural com raspa de couro visando aplicações industriais." Universidade Estadual Paulista (UNESP), 2010. http://hdl.handle.net/11449/99697.

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Made available in DSpace on 2014-06-11T19:30:19Z (GMT). No. of bitstreams: 0 Previous issue date: 2010-06-28Bitstream added on 2014-06-13T20:47:10Z : No. of bitstreams: 1 reis_eap_me_bauru.pdf: 5393371 bytes, checksum: 16962b43c55e24ca2edab26b06201e8e (MD5) Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) Neste trabalho é apresentado o método de preparação dos compósitos obtidos a partir da mistura de borracha natural (BN) com raspa de couro, gerada em uma das etapas do tratamento do couro nos cortumes. Os compósitos foram obtidos utilizando o método de prensagem e quente,

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Reis, Elton Aparecido Prado dos. "Preparação e caracterização de compósitos obtidos a partir de borracha natural com raspa de couro visando aplicações industriais /." Presidente Prudente, 2010. http://hdl.handle.net/11449/99697.

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Orientador: Aldo Eloizo Job Banca: Celia Regina Granhen Tavares Banca: Silvio Rainho Teixeira Resumo: Neste trabalho é apresentado o método de preparação dos compósitos obtidos a partir da mistura de borracha natural (BN) com raspa de couro, gerada em uma das etapas do tratamento do couro nos cortumes. Os compósitos foram obtidos utilizando o método de prensagem e quente, em diferentes proporções em massa (m%). Também será apresentada a proporção calculada a partir da quantidade de BN utilizada (phr) e a técnica usada para a incorporação dos agentes de vulcanização, realizadas para vu

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Pinheiro, Eduardo Gonçalves. "Modelos numéricos aplicados à vulcanização de pneus." Universidade de São Paulo, 2001. http://www.teses.usp.br/teses/disponiveis/3/3132/tde-25082003-090611/.

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A vulcanização é um processo termo-químico aplicado aos polímeros elastoméricos, também chamados de borrachas. Devido à vulcanização, as borrachas adquirem propriedades físicas que as tornam adequadas a várias aplicações mecânicas, entre estas, se destaca aquela desempenhada pelo componente automotivo pneu. Durante a vulcanização as moléculas do elastômero são unidas em vários pontos através de ligações cruzadas. Isso ocorre através do aquecimento da borracha adicionada de enxofre. O correto dimensionamento do tempo que o calor deve ser transferido ao composto de borracha a ser vulcanizado é

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Torani, Daiane. "Sistemas alternativos de ativadores de vulcanização em comparação ao sistema tradicionalmente utilizado em compostos elastoméricos de borracha natural." reponame:Repositório Institucional da UCS, 2017. https://repositorio.ucs.br/handle/11338/3381.

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Submitted by Ana Guimarães Pereira (agpereir@ucs.br) on 2017-12-14T11:27:43Z No. of bitstreams: 1 Dissertacao Daiane Torani.pdf: 659387 bytes, checksum: 1da8ec4adced63030a1d1600bee76d99 (MD5) Made available in DSpace on 2017-12-14T11:27:43Z (GMT). No. of bitstreams: 1 Dissertacao Daiane Torani.pdf: 659387 bytes, checksum: 1da8ec4adced63030a1d1600bee76d99 (MD5) Previous issue date: 2017-12-14 Coordenação de Aperfeiçoamento de Pessoal de Nível Superior, CAPES.

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Bellander, Martin. "High pressure vulcanization : crosslinking of diene rubbers without vulcanization agents." Doctoral thesis, KTH, Polymer Technology, 1998. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-2713.

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High pressure vulcanization (HPV) is defined in this thesisas crosslinking of rubber materialsat elevated pressure andtemperature, without the use of any vulcanization agents. Thisis atotally new vulcanization technique, not used in theindustry today. The HPV technique,however, has an interestingpotential since no hazardous chemicals need to be handled,thematerial does not contain any additives. The phenomenon thatcertain rubber materials can be crosslinked in this way wasobserved already in the 1960s, but there has been a lack ofknowledge of the underlying reaction mechanisms, kinetics, th

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Weijh, André. "Metodologia para simulação de elastômeros considerando estratificação das propriedades de cura." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2018. http://hdl.handle.net/10183/178774.

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Esse trabalho tem por objetivo desenvolver uma ferramenta para previsão das características da cura em borrachas, através da análise numérica de modelos fenomenológicos de vulcanização correlacionados às análises térmicas via método dos elemento finitos. A metodologia é baseada em simular o processo de vulcanização no molde, estimando-se a energia de ativação e simulando o histórico de temperaturas dentro do molde, estratificando o volume do componente por faixas de vulcanização. A partir da caracterização mecânica da borracha nos seus diversos estados de cura, as propriedades constitutivas sã

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Sun, Yu. "VULCANIZATION AND DEVULCANIZATION OF RUBBER." University of Akron / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=akron1594830138675509.

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Van, Rooyen Jason Leigh. "A comparison of the vulcanisation of Polyisoprene by a range of Thiuram Diulfides." Thesis, Nelson Mandela Metropolitan University, 2007. http://hdl.handle.net/10948/733.

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This study was initiated in an attempt to investigate dithiocarbamic acid accelerated sulfur vulcanisation. This was, however, found impossible due to the innate instability of dithiocarbamic acids. The focus of the study was then shifted toward thiuram disulfide accelerated sulfur vulcanisation, with emphasis being placed on a rate comparison. Three groups of accelerators were investigated, namely the aromatic, linear aliphatic and cyclic aliphatic thiuram disulfide adducts. The analysis methods that were employed were conventional rubber (cis-1,4-polyisoprene) techniques coupled to model (sq

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Livres sur le sujet "Vulcanizatio"

Wood, P. R. Mixing of vulcanisable rubbers and thermoplastic elastomers. Rapra Technology Ltd., 2004.

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Eyre, R. Characterisation of rubber vulcanizates for bridge bearings. Transport and Road Research Laboratory, Structures Group, Bridges Division, 1991.

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International, Seminar on Elastomers (4th 1990 Kurume-shi Japan). International Seminar on Elastomers: Papers presented at the International Seminar on Elastomers, held at the Kurume Research Center Building, October 7-9, 1990. Wiley, 1992.

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Akron), International Seminar on Elastomers (3rd 1988 University of. International Seminar on Elastomers: Papers presented at the International Seminar on Elastomers, held at the Gardner Center of the University of Akron, 26-28 October 1988. Wiley, 1989.

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International Seminar on Elastomers (4th 1990 Kurume-shi, Japan). InternationalSeminar on Elastomers: Papers presented at the International Seminar on Elastomers, held at the Kurume Research Center Building, October 7-9, 1990. Edited by White J. L and Murakami Kenkichi. Wiley, 1992.

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International Seminar on Elastomers (5th 1993 University of Akron). International Seminar on Elastomers: Papers presented at the International Seminar on Elastomers, held at the University of Akron, July 14-16, 1993. Edited by White James Lindsay 1938- and Inoue Takashi 1943-. Wiley, 1994.

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Buus, Henriette. Gummivulkanisering og sundhedsskader: Toksikologisk vurdering af kemiske stoffer udviklet ved vulkanisering af gummi. Arbejdsmiljøfondet, 1986.

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Willoughby, B. G. Nitrosamines in rubber. RAPRA Technology, 1997.

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Willoughby, B. G. Rubber fume: Ingredient/emission relationships. Rapra Technology, 1994.

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H, Yasuda, and American Chemical Society Meeting, eds. Plasma polymerization and plasma interactions with polymeric materials: Proceedings of the Symposium on Plasma Polymerization and Plasma Interactions with Polymeric Materials, held at the ACS 199th National Meeting in Boston, Massachusetts, April 1990. Wiley, 1990.

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Chapitres de livres sur le sujet "Vulcanizatio"

Noordermeer, Jacques W. M. "Vulcanization." In Encyclopedia of Polymeric Nanomaterials. Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-36199-9_311-1.

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Donskoi, A. A., M. A. Shashkina, and G. E. Zaikov. "Vulcanization." In Fire Resistant and Thermally Stable Materials Derived from Chlorinated Polyethylene. CRC Press, 2023. http://dx.doi.org/10.1201/9780429070723-5.

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Mishra, Munmaya, and Biao Duan. "Vulcanization." In The Essential Handbook of Polymer Terms and Attributes. CRC Press, 2024. http://dx.doi.org/10.1201/9781003161318-235.

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Noordermeer, Jacques W. M. "Vulcanization." In Encyclopedia of Polymeric Nanomaterials. Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-642-29648-2_311.

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Gooch, Jan W. "Vulcanization." In Encyclopedic Dictionary of Polymers. Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_12651.

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Gooch, Jan W. "Sulfur Vulcanization." In Encyclopedic Dictionary of Polymers. Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_11409.

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Gooch, Jan W. "Premature Vulcanization." In Encyclopedic Dictionary of Polymers. Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_9394.

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Gooch, Jan W. "Vulcanizate." In Encyclopedic Dictionary of Polymers. Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_12649.

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Rajesh Babu, R., G. S. Shibulal, Arup K. Chandra, and Kinsuk Naskar. "Compounding and Vulcanization." In Advanced Structured Materials. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-20925-3_4.

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Gooch, Jan W. "Vulcanizate Crosslinks." In Encyclopedic Dictionary of Polymers. Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_12650.

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Actes de conférences sur le sujet "Vulcanizatio"

Mehra, Lalit, Eugene L. Polaski, Richard K. Lewis, and A. Mauri. "Rubber Linings - Overview and New Technology." In CORROSION 1995. NACE International, 1995. https://doi.org/10.5006/c1995-95581.

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Abstract Rubber linings as used for corrosion and abrasion service have made strides in the area of adhesives, new products and vulcanization methods. Each one of these areas and some developments in Europe are covered in the paper.

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kiatcharonepol, tossapol, Penpisut Sawangnimitkul, Rattanaporn Rattanaporn, and Kittiwat Sirikasemsuk. "Improving automotive tire defect in the vulcanization process by leakage bladders issues." In 7th International Conference on Mechanical Manufacturing and Industrial Engineering : Advancements in Precision Engineering: Innovation and the Future (MMIE 2024), edited by Hideaki Tsukamoto. SPIE, 2024. http://dx.doi.org/10.1117/12.3050600.

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Cardoso, Abel. "Effect of ZnO / MBTS Ratio on Crosslink Formation and Reversion in Natural Rubber Vulcanization." In Technical Meeting of the Rubber Division, ACS. Rubber Division - American Chemical Society (ACS), 2024. https://doi.org/10.52202/077855-0041.

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Anhamm, Frank, Wolfgang Berger, and Patrick Pfeil. "Rubber Linings for the Mining Industry." In CORROSION 2012. NACE International, 2012. https://doi.org/10.5006/c2012-01071.

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Abstract Soft rubber linings based on bromobutyl rubber are well known in the market for their high chemical resistance and very low water absorption. This type of rubber linings are produced in an extrusion process (roller head equipment) and formulated as self-vulcanizing systems. The vulcanization takes places under ambient temperature. They are used in flue gas desulphurization plants and also in large ore treatment plants (hydrometallurgical plants) where we find process temperatures up to 105 °C (221 F). The paper presents two on-site application projects in the mining industry. It will

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Liu, Yuchen, Tianyin Zhang, Yuyang Jin, and Xiangrong Chen. "Effect of Vulcanization Time on Electrical Properties of 500 kV EHVDC XLPE Cable Factory Joints." In 2024 IEEE 8th Conference on Energy Internet and Energy System Integration (EI2). IEEE, 2024. https://doi.org/10.1109/ei264398.2024.10990417.

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Richter, Sonja, Jay Locklear, Mohsen Achour, Thomas Baugh, Probjot Singh, and Ross Goff. "Control of Corrosion Inhibitor Fouling in a Highly Sour System." In CORROSION 2018. NACE International, 2018. https://doi.org/10.5006/c2018-10918.

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Abstract Black tar-like fouling material was driving frequent shut-downs and increasing corrosion in the inlet area of a gas plant that processes lean gas with high acid gas content (68%CH4, 20%CO2 and 12%H2S). Analytical work indicated that the nitrogen containing corrosion inhibitor (CI) polymerized with sulfur compounds (polysulfides, elemental sulfur and/or H2S) in a type of a vulcanization process resulting in a hard-to-clean insoluble fouling product. Corrosion testing confirmed the role of the CI in creating this fouling. A customized autoclave testing was designed to include powdered e

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Seenawat, Mongkol, Asa Prateepasen, and Cherdpong Jomdecha. "Ultrasonic Testing for Vulcanization Inspection of Natural Rubber." In ASME 2003 International Mechanical Engineering Congress and Exposition. ASMEDC, 2003. http://dx.doi.org/10.1115/imece2003-41782.

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This paper presents a novel method to inspect the levels of vulcanization of natural rubber by ultrasonic testing. In the research, test specimens are natural rubbers of type ‘cis-1,4-polyisoprene’ vulcanized at different durations. Piezoelectric contact transducers were used to transmit and receive ultrasonic to/from each sample. Longitudinal waves at nominal frequency of 2, 2.25 and 5 MHz were used to investigate the samples. Experiments were conducted using two techniques: pulse echo and through transmission. The pulse echo technique was applied to inspect the ultrasonic attenuation and the

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Sakai, Shintarou, Toru Shigemitsu, Junichiro Fukutomi, and Tsukasa Matsuoka. "The Flow Phenomena and the Non-Uniform Filling of the Unvulcanized Rubber in Process of Filling." In ASME 2009 Fluids Engineering Division Summer Meeting. ASMEDC, 2009. http://dx.doi.org/10.1115/fedsm2009-78336.

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Rubber products like oil seal are produced by vulcanization molding and the vulcanization molding of rubber product is performed by past experience, trial and error. It is important issues to decrease the product cost, reduce defective products and solve the environmental problems by saving natural resources. If the vulcanization moldings of rubber products are reappeared by computer simulation, it is very useful and it could contribute to solve the above problems. In order to reduce surplus rubber and defective products, numerical analysis of flow phenomena of unvulcanized rubber was performe

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Garnier, B., F. Danes, and D. Delaunay. "COUPLING BETWEEN HEAT TRANSFER AND RUBBER VULCANIZATION." In International Heat Transfer Conference 9. Begellhouse, 1990. http://dx.doi.org/10.1615/ihtc9.1470.

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Borcosi, Ilie. "NUMERICAL�SYSTEM�FOR�MEASURING�OF�VULCANIZATION�TIME." In SGEM2012 12th International Multidisciplinary Scientific GeoConference and EXPO. Stef92 Technology, 2012. http://dx.doi.org/10.5593/sgem2012/s10.v3024.

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Rapports d'organisations sur le sujet "Vulcanizatio"

Petzke, Jonas, Dennis Kleinschmidt, and Florian Brüning. Simulative approach for predicting the heating behavior of elastomers in the solid-state microwave heating process. Universidad de los Andes, 2024. https://doi.org/10.51573/andes.pps39.gs.ms.2.

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The increasing demand for energy efficient vulcanization of rubber extrusions requires the optimization and further development of existing processes. Microwave vulcanization allows the energy required for this process to be coupled directly into the material via dielectric losses. Microwave heating requires the polarity of the rubber so that the electromagnetic wave can cause the polar components of the material to vibrate. These vibrations cause internal friction, resulting in an increase in the temperature of the rubber compound. In this research project, microwaves were used to heat a rubb

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Deome, Alfred J., Christopher J. Kulig, and Jacob Patt. Serial Chromatopyrography-Mass Spectrometry of Natural Rubber Vulcanizates. Defense Technical Information Center, 1986. http://dx.doi.org/10.21236/ada167559.

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Suarez Loor, J., M. Lazo, A. Rigail, E. Adrian, and J. Vera. Processing of thermoplastic elastomers (TPE) by in-situ ground tire rubber (GTR) vulcanization using waste ethylene-vinyl-acetate (wEVA) and dicumyl peroxide (DCP). Universidad de los Andes, 2024. https://doi.org/10.51573/andes.pps39.gs.re.2.

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Tire rubber waste (TRW) is a complex mixture of materials, such as rubbers, steel, textile fibers, carbon black, and other additives. Its polluting capacity is a severe environmental problem, especially in landfills and waste management processes. As a practical solution to mitigate TRW’s environmental impact, thermoplastic elastomers (TPE) commonly reuse the ground tire rubber (GTR). This work presents an in-situ devulcanization of ground tire rubber (DGTR) and re-vulcanization of devulcanized ground tire rubber using dicumyl peroxide (DCP) and waste ethylene-vinyl-acetate (wEVA). The GTR was

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