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Tyre Study Report 01.Indd
A Report by Chintan by A Report Circulating Tyres in the Economy A Waste to Wealth Approach to Old Tyres (2017) Published by Chintan Environmental Research and Action Group C14, Second Floor, Lajpat Nagar III, New Delhi 110024 Phone: +91-11-46574171 or 46574172 Email: [email protected] Website: http://www.chintan-india.org/ Twitter: https://twitter.com/ChintanIndia Instagram:Facebook: https://fb.me/ChintanIndia.org https://www.instagram.com/chintan.india/ About Chintan Environmental Research and Action Group Chintan is a registered non-profit organization with a vision of inclusive, sustainable, and equitable growth for all. Our mission is to reduce ecological footprints and increase environmental justice through changes brought about through partnerships, capacity building at the grassroots, advocacy and research, and sustainable, scalable models on Authorsthe ground. Rajat Rai Handa (Chintan) Bharati Chaturvedi (Chintan) Acknowledgements Chintan would like to thank the following people for their valuable contribution in writing this report: Darpan Anil Singh, Lalit Sharma, Madhu Jagdeeshan, Richa Chaturvedi, Shaila Faleiro and Taruni Kumar. We would also like to thank the dedicated team at Chintan who helped with various aspects of the research and fieldwork: Chitra Mukherjee and Imran Khan. Copyright notice ©Please Copyright feel free 2017, to use Chintan the information Environmental here to Research promote and environmental, Action Group economic and social justice. We urge you to quote this report when you use the information in it and inform us if possible. Executive Summary Executive Summary Executive | Over the last two decades, the world has seen an exponential rise in the number of motor vehicles. -
Crosslink Density of Rubbers
Characterisation of Crosslinks in Vulcanised Rubbers: From Simple to Advanced Techniques K.L. Mok* and A.H. Eng** *Malaysian Rubber Board, Paper Presenter **Malaysian Institute of Chemistry Copyright © 2017 by K.L. Mok and A.H. Eng 1 Rubber & Elastomer • Rubbery: 1) Sufficient long chain; 2) Flexible molecules with noncollinear single bonds that allow segmental rotations along the backbone; 3) Non crystalline at service temperature • Rubber vs Elastomer: Rubber commonly refers to elastic materials that requires vulcanisation before they can be used in the products. However, there are elastic polymers that do not require vulcanisation such as polyurethane (PU), styrene- isoprene (SIS) copolymer. These elastic materials are classified under elastomer, which normally also includes rubbers. • Unvulcanised Rubbers: Unvulcanised rubbers are normally weak when put under stress during use. With very few exceptions, such as rubber glues almost all rubber products require vulcanisation to provide the required strength for a longer design life. • Elastomers: Polyurethane (PU), styrene-isoprene (SIS) copolymer, do not require vulcanisation to have good strength properties as they contain the hard segment Copyrightwhich © 2017 by K.L.is Mok good and A.H. Engfor strength and the soft segment good elasticity properties. 2 Rubber Vulcanisation & Crosslink Density • Vulcanization or vulcanisation: A reaction that leads to the formation of inter-molecular bonding among the unsaturated rubber molecules with 3 dimensional network such that the mechanical properties such as tensile strength is enhanced. The vulcanising agent originally referred to was elemental sulfur. Later, sulfur donor was included. It now also includes non sulfur systems such as metal oxide and peroxides. -
Tensile Properties of Pre-Vulcanised Natural Rubber Latex Films Via Hybrid Radiation and Peroxide Vulcanisations
ASM Sci. J., 11(2), 67-75 Tensile Properties of Pre-vulcanised Natural Rubber Latex Films via Hybrid Radiation and Peroxide Vulcanisations Sofian Ibrahim1;2∗, Chai Chee Keong1, Chantara Thevy Ratnam1 and Khairiah Badri2 1Malaysian Nuclear Agency, 43000 Kajang, Selangor, Malaysia 2School of Chemical Science and Food Technology, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia Radiation pre-vulcanised natural rubber latex (RVNRL) prepared by using gamma irradia- tion technique has many advantages over the conventionally prepared sulphur pre-vulcanised natural rubber latex (SPVL). Despite the fact that many potential latex dipped products can be made from RVNRL, little effort was made to fully commercialise the products because of the inferior strength of RVNRL products compared to SPVL products. An attempt was made to improve the tensile strength of RVNRL by combining both radiation and peroxide vulcanisation in order to ensure that the products will not tear or fail, and has sufficient stretch. Hexanediol diacrylate (HDDA) plays the main role as sensitizer during radiation vulcanisation and tert-butyl hydroperoxide (t-BHPO) as the co-sensitizer in peroxide vul- canisation. Pre-vulcanised natural rubber latex dipped films via hybrid radiation and perox- idation vulcanisations obtained showed tensile strength of 26.7 MPa, an increment of more than 15% compared to controlled film (22.5 MPa). Besides, the crosslink percentage of the rubber films also showed around 5% increment from 90.7% to 95.6%. Keywords: RVNRL, vulcanisation, irradiation, latex I. INTRODUCTION the expansion of this positive sales performance. One of the major contributors to Malaysia's national income is rubber and latex-based prod- ucts. -
Natural Rubber As a Green Commodity- Part II Kevin P
Natural rubber as a green commodity- Part II Kevin P. Jones, Malaysian Rubber Producers' Research Association Introduction B anbury 4.1 GJ/tonne of pallets and bale wrapping may IN THE LAST ISSUE of Rubber Calender 6.6 need to be considered within the new Developments Dr Wan Abdul Extruder 3.8 context of environmental quality Rahaman clearly demonstrated the Curing 6.3 control. 'green credentials' for natural rubber over its synthetic rivals (the key data are repeated below). Some may be The first figure is in general Environmental processing tempted to question whether there are agreement with measurements made at hazards hidden energy costs in the transport, MRPRA at about the same time, The rubber processing industry is use and disposal of natural rubber which estimated 1.2GJ/tonne for subject to specific environmental which offset the low energy budget of mastication and 2.9GJ/tonne for control in some countries. In the the natural material which is largely mixing. Both the overall figure of United Kingdom there are specific due to its solar, rather than fossil fuel 30GJ/tonne and the individual energy health and safety/environmental origins. breakdowns are probably well in protection regulations to limit the excess of the current best industrial emission of dust and fumes from Natural rubber versus practice. One efficient Scandinavian rubber processing operations. There is synthetic rubber company claims to be able to mix for an implied assertion that such dust and an energy cost of 0.4-lGJ/tonne fumes may be carcinogenic and that Material Energy consumption, within an overall energy requirement particular precautions must be taken. -
KASH UTTAM Brute Boxcoolers Hot Products/Page64 Bespoke Tires Specifically Designed and Produced for You
TP www.tiresandparts.net l DHS 20 /- USD 5.99/- JULY /AUGUST 2014 /AUGUST JULY The Middle East’s First Automotive, Tires & Parts News Source ISSUE 94 l LIMITED EDITION TRUE BLUE ROLLS-ROYCE WATERSPEED COLLECTION DEBUTS IN UAE MARKET Hot Products / Page 64 KASH UTTAM Brute Box Coolers MANAGING DIRECTOR OF SGTC www.alexiatires.com Bespoke tires Specifically designed and produced for you. ART 1100 ART 1200 ART 1300 ART 1400 ART 1500 ART 1600 ART 1700 ART 1900 Guided by the main principles of value, trust, honesty and quality Alexia tires has been proudly manufacturing commercial and OTR tires from Asia with the intention to fill a gap in the replacement tire market. Alexia Tires believes in delivering the greatest value, quality and service without com- promising on innovation and style. With over 35 years of experience in the industry, Alexia Tires is passionate about its work. We bring to the market unique tire products and designs that specialize in the manufacturing of custom products that fit the market requirements of the day. Alexia’s strength lies in its flexibility and its ability to listen to the demands of the market and make subsequent swift changes as needed. Alexia Tires is a global company comprised of passionate designers and engineers who continue to use the latest technology to deliver the most innovative and original tires in the market. With worldwide distribution, Alexia Tires looks forward to further reaching out to the masses with truly one of a kind products and continuing to be trailblazers in the industry. For exclusive territory enquiries pls contact [email protected]. -
Member List by Country
Member List A-Z Categories 28 September 2021 r = Retreader s = Supplier td = Tire Dealer c = Casing Dealer m = Tire & Trucking Magazine I = Individual o = Other ntm = New Tire Manufacturer a = Association tc = Trucking Company rc = recycling trm = tread rubber manufacturer trp = tire repair company Category Member Name City State/Province Country Telephone Website trp 31 Incorporated Newcomerstown OH USA 740-498-8324 X105 for Bob 31inc.com r Action Tire Company Forest Park GA USA 404-767-3235 actiontireco.com Advantage ID / Symbology, s Maple Grove MN USA 763-315-8080 advantageid.com Inc. s Advantage PressurePro LLC Harrisonville MO USA 816-887-3505 advantagepressurepro.com td Aero Tires Company Miami FL USA 305-885-2411 www.aerotiresco.com trm Air Boss Kitchener ON CANADA 1-800-294-5723 airbossofamerica.com AKAR MAKINA SANAYI s Eskisehir TURKEY 90-222-2361700 akarmak.com.tr LTD Akron Rubber Development o Akron OH USA 330-794-6600 ardl.com Laboratory, Inc. ntm Alliance Tire Americas, Inc. Wakefield MA USA 781-321-3910 atgtire.com r Allied Retread Technologies Omaha NE USA 800-333-3717 allied-oil.com s AME International Brooksville FL USA 352-799-1111 ameintl.net Zona Industrial DOMINICAN r AMV Dominicana Santo Domingo 809-333-7774 amvdominicana.com Manoquayabo REPUBLIC r Anderson Tire & Co. Ltd. Hamilton AB CANADA 905-560-7721, 888-727-2411 r Ardmore Tire Conshohocken PA USA 610-834-1075 Asociacin de Renovadores a y Recauchadores de Santiago CHILE arnec.cl Neumticos de Chile s ATEC, Inc. Phoenix AZ USA 602-253-3921 r Auto & Truck Tyres (Pty) Ltd. -
Rubber and the Environment
UNCTAD/IRSG Workshop 1998 Joint Workshop of the Secretariat of the United Nations Conference on Trade and Development and the International Rubber Study Group on Rubber and the Environment. Chairman: Dr Ulrich Hoffmann, UNCTAD Preface This, the second joint UNCTAD/IRSG Workshop on the internalization of environmental costs of rubber, follows directly from that held at the 101st Group Meeting of the IRSG in Liverpool, UK, in June 1997. UNCTAD has concluded that natural rubber stands to gain from internalization of environmental costs in the entire rubber industry. The economic variables prevailing in the natural rubber market favour internalization: the supply elasticity is below unity, and the price elasticity for demand is estimated to be significantly less than one. Furthermore, the 70% international market share of Thailand, Indonesia and Malaysia is coupled with intermediate export dependence as rubber accounts for only 3.5 % of their total exports. Unilateral attempts to pass on environmental cost increases appear feasible, although concerted action among the three main producers is desirable and cooperation with producers and manufacturers of synthetic rubber is necessary. The elastomer market is dominated by renewable natural rubber and non- renewable fossil-fuel-derived synthetic rubber: in some applications they are substitutes and in others, complements. Tyre production accounts for over 50% of elastomer consumption and 60% of natural rubber consumption. The current share of natural rubber in total tyre production is unlikely to change much. Rubber cannot realistically be replaced in tyre production, nor can tyres themselves be replaced by a different product. Many general rubber products also appear very difficult to displace or replace. -
Malaysian Rubber Board
MRC INDUSTRY LINKAGE FUND Industry-University Interaction Session 2021 MALAYSIAN RUBBER BOARD 29 Jun 2021 Copyright © Malaysian Rubber Board MALAYSIAN RUBBER BOARD : OVERVIEW TECHNOLOGY & ENGINEERING DIVISION (BAHAGIAN TEKNOLOGI & KEJURUTERAAN, BTK) Economy, licensing & DOWNSTREAM R&D, CONSULTANCIES AND SPECIAL SERVICES enforcement Services & Support Dr Azhar Ahmad, PhD Ketua, Unit Pemprosesan & Dr Fatimah Rubaizah MR, PhD Kelestarian Ketua, Unit Pembangunan & ([email protected]) Inovasi Bahan Termaju ([email protected]) Upstream Dr Nazirah Ahmad, PhD Dasar & Ketua, Unit Kejuruteraan Operasi Rekabentuk & KETUA Downstream Pembangunaan Produk PENGARAH Penyelidikan Dr Mok Kok Lang, PhD ([email protected]) Relevant to MILF Divisional Director, & Inovasi Quality & Bahagian Teknologi & Standards Kejuruteraan ([email protected]) Expansion • Corporate • Legal • Strategic Planning Dr Yong Kok Chong, PhD Dr Asrul Mustafa, PhD • Human Resource Ketua, Unit Inovasi & Ketua, Unit Sains & • Audit Teknologi Elastomer Teknology Lateks • Integrity ([email protected]) ([email protected]) Copyright © Malaysian Rubber Board SCOPE, OBJECTIVE & FUNCTION of UNITS • Develop and diversify value- • R&D in natural and synthetic added dry rubber products latex-based thin-wall and foam • Focus on Industrial Rubber products Goods, General Rubber • Product degradation, energy Goods, Tire Technology and efficiency in product advanced composites manufacture, latex stability and • Provide consultative and preservation, blends, 01 technical advisory services on 03 nanocomposite -
IS 4511-3 (1987): Methods of Test for Styrene-Butadiene Rubber (SBR) Latices, Part 3: Determination of Volatile Unsaturates [PCD 13: Rubber and Rubber Products]
इंटरनेट मानक Disclosure to Promote the Right To Information Whereas the Parliament of India has set out to provide a practical regime of right to information for citizens to secure access to information under the control of public authorities, in order to promote transparency and accountability in the working of every public authority, and whereas the attached publication of the Bureau of Indian Standards is of particular interest to the public, particularly disadvantaged communities and those engaged in the pursuit of education and knowledge, the attached public safety standard is made available to promote the timely dissemination of this information in an accurate manner to the public. “जान का अधकार, जी का अधकार” “परा को छोड न 5 तरफ” Mazdoor Kisan Shakti Sangathan Jawaharlal Nehru “The Right to Information, The Right to Live” “Step Out From the Old to the New” IS 4511-3 (1987): Methods of Test for Styrene-butadiene Rubber (SBR) Latices, Part 3: Determination of Volatile Unsaturates [PCD 13: Rubber and Rubber Products] “ान $ एक न भारत का नमण” Satyanarayan Gangaram Pitroda “Invent a New India Using Knowledge” “ान एक ऐसा खजाना > जो कभी चराया नह जा सकताह ै”ै Bhartṛhari—Nītiśatakam “Knowledge is such a treasure which cannot be stolen” IS : 4511 ( Part 3 ) - 1987 Indian Standard METHODS OF TEST FOR STYRENE-BUTADIENE RUBBER ( SBR ) LATICES PART 3 DETERMINATION OF VOLATILE UNSATURATES [SBRL:8] ( First Revision ) Rubber Sectional Committee, PCDC 14 Chairman Reprcscnting SHRI LALIT MOHAN JAM>.~DAB Cosmos India Rubber Works Pvt Ltd, Bombay Members SHRI SATISH ABRAHAX Padinjarekara Agencies Ltd, Kottayam SHRI 0. -
• Introduction • History • Present Status • New Developments • Challenges • Initiatives to Tackle Challenges • Conclusion
01-11-2012 Vinay Sharma, Job Kuriakose & Arup K. Chandra R & D Centre, Apollo Tyres Ltd. Limda, Gujarat‐391760 www.apollotyres.com www.apollotyres.com • Introduction • History • Present Status • New Developments • Challenges • Initiatives to tackle challenges • Conclusion 1 01-11-2012 www.apollotyres.com Introduction “Civilization as we know it today is wholly dependent upon rubber......” Ralph Wolf, “Rubber World” Oct. 1964 • India: A major producer & consumer of NR . •From eraser‐to‐tyre technology. •Performing reasonably well even during recession. •Raw rubber = NR & Synthetic rubber (75:25; India & 42:58 World). History of Rubber www.apollotyres.com 7th Century Central & Charles John Dunlop South America Goodyear 1843 1888 Rubber for (17th‐18th •Vulcanisation of ceremonial & rubber. •Invented pneumatic tyre. Social importance Century) •Moreresistanceto in Aztec & Mayan Waterproof textiles, temperature rubber boots, etc. Civilisations. increased applications. 2 01-11-2012 www.apollotyres.com History of Rubber The Stevenson Synthetic Rubber Standards for Rubber(1965) Plan (1922) Project (1942) Introduction of standards for Effort by British This unique venture, rubber by Malaysian Rubber government to lasted until 1953, Board. stabilize low rubber prices. documented in 8,000 First specifications were on technical reports. visible attributes, ash, copper, manganese, dirt & protein. www.apollotyres.com Applications ‐ Non‐Tyre sector • Automotive (belts, hoses, gaskets, moldings) • Industrial (adhesives, padding, belting, vibration dampening, -
Pattern Digest 2020 Passenger Car, SUV/4X4, and Light Truck Tires Explore the World with Giti Tire
Pattern Digest 2020 Passenger Car, SUV/4x4, and Light Truck Tires Explore the World with Giti Tire You are intrinsically passionate and always stay curious. You have no fear for challenge and you enjoy exploration. You have never stopped pursuing your dreams. And on the journey in pursuit of dreams, you always persist through challenges. You always insist on being true to yourself Hit the Road. Witness affection, encounter miracles, embrace the extraordinary, taste ecstacy. Be your own explorer. Explore yourself. Explore with Giti. Table Of Contents Introduction -A Global Tire Company 1 -Manufacturing and R&D 6 -OEM Partnerships & Awards 8 -Giti Motorsports Tires 10 -Tire Mapping 11 Product Range - 16 - 19 - 25 - 29 - 32 -Tire Knowledge 33 -OEM Partners 36 A Singapore Based Global Tire Company Giti Tire has been in the tire business for more than 60 years. The company has become one of the world’s largest tire manufacturers, serving customers in more than 130 countries. 2018 Revenue USD 3.2 Billion R&D and Testing Centers 5 4 R&D in Germany, USA, China, Indonesia, and 1 testing center in UK Manufacturing Plants 8 6 in China, 1 in Indonesia 1 Newly opened in the US Offices 12 Singapore, Indonesia, Malaysia, China, U.S., Canada, U.K., Germany, France, Brazil, Italy and Dubai More than Employees 35,000 Worldwide More than Points of Sale 70,000 In more than 130 countries 55 Green and Global Manufacturing in Three Countries Giti Tire’s newly opened US manufacturing center joins the companies’ other factories in China and Indonesia. -
Devulcanization of Waste Rubber and Generation of Active Sites for Silica
This is an open access article published under an ACS AuthorChoice License, which permits copying and redistribution of the article or any adaptations for non-commercial purposes. Article Cite This: ACS Omega 2019, 4, 17623−17633 http://pubs.acs.org/journal/acsodf Devulcanization of Waste Rubber and Generation of Active Sites for Silica Reinforcement Soumyajit Ghorai,† Dipankar Mondal,‡ Sakrit Hait,§ Anik Kumar Ghosh,§ Sven Wiessner,§ Amit Das,*,§ and Debapriya De*,† † Chemistry Department, MCKV Institute of Engineering, Liluah, Howrah 711204, India ‡ Department of Polymer Science and Technology, University of Calcutta, Kolkata 700009, India § Leibniz-Institut für Polymerforschung Dresden e.V., D-01069 Dresden, Germany ABSTRACT: Each year, hundreds of millions of tires are produced and ultimately disposed into nature. To address this serious environmental issue, devulcanization could be one of the sustainable solutions that still remains as one of the biggest challenges across the globe. In this work, sulfur-vulcanized natural rubber (NR) is mechanochemically devulcanized utilizing a silane-based tetrasulfide as a devulcanizing agent, and subsequently, silica (SiO2)-based rubber composites are prepared. This method not only breaks the sulfur−sulfur cross-links but also produces reactive poly(isoprene) chains to interact with silica. The silica natural rubber composites are prepared by replacing 30% fresh NR by devulcanized NR with varying contents of silica. The composites exhibit excellent mechanical properties, tear strength, abrasion resistance, and dynamic mechanical properties as compared with the fresh natural rubber silica composites. The tensile strength of devulcanized rubber-based silica composites is ∼20 MPa, and the maximum elongation strain is ∼921%. The devulcanized composites are studied in detail by chemical, mechanical, and morphological analyses.