NDLI: Development of EPDM Grades with Good Processability Characteristics – Specialized Polymer Design for Anti-Vibration Rubber –

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Development of EPDM Grades with Good Processability Characteristics – Specialized Polymer Design for Anti-Vibration Rubber –

Content Provider	Semantic Scholar
Author	Nakano, Sadayuki Sassa, Tatsuo
Copyright Year	2007
Abstract	The worldwide demand for ethylene-propylene-nonconjugated diene rubber (EPDM) was 1002 thousand tonnes 1). Because EPDM is a rubber which does not contain any unsaturated structure in its main chain, it has excellent weatherresistance, ozone resistance and heat resistance, and the absence of polar groups also means that its inter-molecular interactions are weak and so it has excellent filler loading characteristics. Because of this, it is widely used in automotive parts such as weatherstrips, heat-insulating cover materials, noise damping materials, anti-vibration rubber parts, radiator and heater hoses and brake hoses, and also in a wide range of other industrial applications such as an additive for diene rubbers such as natural rubber (NR) to improve weather resistance, to improve impact resistance and low temperature resistance for thermoplastic resins such as polypropylene (PP), TPE raw materials, and also to improve the viscosity index of mineral oils 2). Of these applications, the demand for EPDM in the automobile industry, particularly in the Asian region, is projected to grow by an average of 3.7% (approximately 40,000 tonnes) annually up until the year 2010 1). In general, the processed used in order to manufacture rubber products include a process using an internal mixer to mix in additives such as reinforcing agents, plasticizing agents, extenders and processing aids (Mixing (1) in Fig. 1), and a process using an open roll to mix in curing agents, curing accelerator Sumitomo Chemical Co., Ltd. Petrochemicals Research Laboratory Sadayuki NAKANO Tatsuo SASSA
File Format	PDF HTM / HTML
Alternate Webpage(s)	https://www.sumitomo-chem.co.jp/english/rd/report/theses/docs/20070103_ury.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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