Improvement of the properties of ground tire rubber (GTR)‐filled nitrile rubber vulcanizates through plasma surface modification of GTR powder

Zhang, Xinxing; Zhu, Xiaoqing; Liang, Mei; Lu, Canhui

doi:10.1002/app.30626

Cited by 53 publications

(36 citation statements)

References 30 publications

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“…are presented only in a few works, including investigation on waste rubber as potential filler for nitrile rubber [31] and compatibility improvement of obtained rubber compounds via surface modification of GTR with plasma [32]. In a research work [33], the variable content of ultrasonic devulcanized butyl rubber obtained from tire-curing bladder has been studied with respect to the mechanical properties of butyl rubber vulcanizes.…”

Section: Introductionmentioning

confidence: 99%

Curing characteristics, mechanical properties and morphology of butyl rubber filled with ground tire rubber (GTR)

Formela

Haponiuk

2014

Iran Polym J

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The results on testing application of ground tire rubber (GTR), as potential filler for butyl rubber, are presented. The GTR content variation, within the range of 10-90 phr, was studied with respect to the vulcanization process, static mechanical properties (tensile strength, elongation-at-break, hardness and resilience), dynamic mechanical properties and the morphology of the obtained vulcanizates. Butyl rubber was characterized by its low compatibility to other elastomers [i.e., natural rubber and styrene-butadiene rubber (SBR)-the main ingredients of tires] and low degree of unsaturation. To evaluate the impact of these factors on curing characteristics and mechanical properties of butyl rubber vulcanizates filled with GTR, the same compositions of SBR compounds, cured under identical conditions, were used as reference samples. Based on the obtained data, it can be stated that butyl rubber vulcanizates containing 30 phr of GTR as filler revealed the highest tensile strength and elongationat-break. The microstructural analysis of a sample containing 30 phr of GTR revealed strong interactions between the butyl rubber matrix and GTR. This phenomenon resulted mainly from two factors. First, the cross-link density of the butyl rubber matrix was affected by its competition against GTR for cross-linking agents. Secondly, the migration of carbon black particles from GTR into the butyl rubber matrix had a significant impact on properties of the obtained vulcanizates.

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Section: Introductionmentioning

confidence: 99%

Curing characteristics, mechanical properties and morphology of butyl rubber filled with ground tire rubber (GTR)

Formela

Haponiuk

2014

Iran Polym J

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“…Zhang et al used atmospheric plasma to change the surface of GTR from hydrophobic (116°) to hydrophilic (0°) in order to enhance the compatibility of the particles with nitrile rubber vulcanizates. 6 Fuhrmann et al modified GTR particles with glycidyl methacrylate and methacrylic acid through photoinitiated grafting. 7 Bulk polymerization of acrylic acid (AA) on GTR particles without any initiator was performed by Kocevski et al 8 Fan and Lu investigated the graft copolymerization of poly(methyl methacrylate) onto waste tire rubber powder through ozonization.…”

Section: Descriptionmentioning

confidence: 99%

“…the long and short run relationship between the variables. Estimating equation (5) tests for the presence of a cointegrated relationship, while equation (6) tests for presence of unit roots in the residual series : ( 6 ) where is the estimated residual from (1), n is the number of lags used to approximate a white noise process δ 0 =0 If we cannot reject the null hypothesis that =0 then there is no cointegration, and we can use OLS to estimate (5). The long run elasticities are given by:…”

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confidence: 99%

A New Materials and Design Approach for Roads, Bridges, Pavement, and Concrete

Fuchs¹,

Acharya²,

Cabrales³

et al. 2020

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Founded in 1991, the Mineta Transportation Institute (MTI), an organized research and training unit in partnership with the Lucas College and Graduate School of Business at San José State University (SJSU), increases mobility for all by improving the safety, efficiency, accessibility, and convenience of our nation's transportation system. Through research, education, workforce development, and technology transfer, we help create a connected world. MTI leads the four-university. MTI leads the four-university California State University Transportation Consortium funded by the State of California through Senate Bill 1. MTI's transportation policy work is centered on three primary responsibilities: MINETA TRANSPORTATION INSTITUTE Research MTI works to provide policy-oriented research for all levels of government and the private sector to foster the development of optimum surface transportation systems. Research areas include: bicycle and pedestrian issues; financing public and private sector transportation improvements; intermodal connectivity and integration; safety and security of transportation systems; sustainability of transportation systems; transportation / land use / environment; and transportation planning and policy development. Certified Research Associates conduct the research. Certification requires an advanced degree, generally a Ph.D., a record of academic publications, and professional references. Research projects culminate in a peer-reviewed publication, available on TransWeb, the MTI website (http://transweb.sjsu.edu). Education The Institute supports education programs for students seeking a career in the development and operation of surface transportation systems. MTI, through San José State University, offers an AACSBaccredited Master of Science in Transportation Management and graduate certificates in Transportation Management, Transportation Security, and High-Speed Rail Management that serve to prepare the nation's transportation managers for the 21st century. With the active assistance of the California Department of Transportation (Caltrans), MTI delivers its classes over a state-of-the-art videoconference network throughout the state of California and via webcasting beyond, allowing working transportation professionals to pursue an advanced degree regardless of their location. To meet the needs of employers seeking a diverse workforce, MTI's education program promotes enrollment to under-represented groups. Information and Technology Transfer MTI utilizes a diverse array of dissemination methods and media to ensure research results reach those responsible for managing change. These methods include publication, seminars, workshops, websites, social media, webinars, and other technology transfer mechanisms. Additionally, MTI promotes the availability of completed research to professional organizations and journals and works to 4. An analysis of road transport energy demand in California and the United States. The findings of these studies include that 1. GTR is an effective and economically ...

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“…Moreover, in the published papers the information about methods of waste rubber modification is presented, e.g. by controlled oxidation [35,36], ozonation [37], chlorination [38,39], using of supercritical gases and liquids [40,41], grafting monomers and acid anhydride using gamma and UV radiation [42,43], plasma [44,45], microwave [46,47] and ultrasound [48,49] treatment of waste rubber, etc. The modification of ground tire rubber improves the mechanical properties of polymer composition, which results from an increasing interfacial bonding between separate phases.…”

Section: Compatibilization Of Polymer/ground Tire Rubber Blendsmentioning

confidence: 99%

Compatibilization of Polymeric Composition Filled with Ground Tire Rubber – Short Review

Formela¹,

Haponiuk²,

Jasińska-Walc³

et al. 2014

ChChT

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Waste rubber is recognized as a valuable materials resource and searching for new recycling methods is the main activity of many research institutions and companies. During last years only few scientific papers concerning foamed polymer compositions filled with ground tire rubber were published. The paper reviews the progress in compatibilization and foaming of polymeric compositions filled with a ground tire rubber.

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Improvement of the properties of ground tire rubber (GTR)‐filled nitrile rubber vulcanizates through plasma surface modification of GTR powder

Cited by 53 publications

References 30 publications

Curing characteristics, mechanical properties and morphology of butyl rubber filled with ground tire rubber (GTR)

Curing characteristics, mechanical properties and morphology of butyl rubber filled with ground tire rubber (GTR)

A New Materials and Design Approach for Roads, Bridges, Pavement, and Concrete

Compatibilization of Polymeric Composition Filled with Ground Tire Rubber – Short Review

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