Elastomer Curing Systems and Their Effects on Product Performance
KnowHow Webinar: Elastomer Curing Systems and Their Effects on Product Performance
Speaker: Dr. P. Thavamani
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Elastomers are broadly classified, based on the source of origin as Natural Rubber (NR) and Synthetic Rubbers (SR) and further the synthetic rubbers are divided into general purpose and special purpose according their applications. All the elastomers require curing to convert the plastic substances into useful elastomeric product. The curing system introduces chemical bonds between the elastomer molecules and thereby it develops a network. The curing characteristics are measured using rheometer and the crosslink density by chemical methods. The rate of cure, type of cross link, and the intensity of crosslink decide the curing time required for shaping a particular elastomeric product. The major elastomeric curing systems are sulphur, peroxide, metal oxides, resins, amines, soap and metal stearates. In this articles the selection of cure systems along with suitable accelerators and activators, the mechanism of chemical cross links, the relative thermal stability of such cross links and the effect of such cross links on physical, mechanical, thermal and dynamic mechanical properties of elastomeric product would be discussed in details..
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Speaker – Dr. P. Thavamani: Dr. P. Thavamani obtained his M. Sc., (Chemistry) from Madurai Kamaraj University and M. Tech., & Ph.D in Rubber Technology from IIT. Kharagpur. He received many awards and prizes for his outstanding academic performance. He worked in leading Indian Rubber industries such as M/s. Roulunds India, Fenner (India) Ltd. and Pix Transmission Ltd., in strategic Technology Management role. In 2009, Government of India appointed him as Director of Indian Rubber Manufacturers Research Association IRMRA) , Thane. Under his dynamic Directorship, IRMRA was turned around from a loss making and struggling to survive research, testing & development organization to a financially sound, self-reliant and globally recognized organization. After leaving IRMRA, he joined SABIC, a leading Petrochemical Company in Saudi Arabia as Leader for Technology Management in Polymer Strategic Business Unit. At present, he is working as Chief technology Officer (CTO) at Vinko Auto Industries ltd., New Delhi., India. He has got more than 30 years of experience in rubber and plastics Research and Technology Development, Quality Assurance and Six Sigma activities, 3 patents and 31 research papers published / presented in various journal / forums. He was the past Chairman of Bureau of Indian Standards (BIS) rubber product committee, and leader of Indian delegates for International Standards Organization (ISO).
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