TPE Magazine international

Issue 01 | 2017

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  • HEXPOL TPE
  • Don Street, Middleton
  • M24 2GG Manchester
  • United Kingdom
Article
18
Global automotive market 2017 – Growth by SUV dominance, positive economic developments, and Trump effects

The growth of the auto industry continues in 2017, but is less driven by innovation than by positive economic developments. This year, China will continue to be the main driver of the global automotive business. While growth is to be expected in the USA due to Trump effects, the development in Europe is somewhat more subdued due to factors such as dieselgate and other technological uncertainties.


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22
Global TPE markets –Regional shifts, commoditization, and intra-TPE competition

As portions of the TPE market space mature, some TPEs approach commodity status in which there is little price or quality differentiation between compounders for comparable grades. A commodity trap emerges and escaping it becomes a key strategic objective. Globalization is affecting TPE market structure, acquisitions and pricing. Experience in Asian markets has taught compounders that price/quality can be tailored to different levels as market segments dictate.

Globalization has started to shape markets and industry structure in both directions (west to east and east to west). Price/quality levels segregate into tiers (global/glocal/local/bottom end). Improved compound technology creates a cascade effect as early entrants are replaced with cost effective alternatives. Bioplastics growth will be affected by petroleum pricing and political pressures and will help bring bio-TPEs into the marketplace.


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30
Comparison of blends of devulcanized tire rubber and EPDM with polypropylene

Safe disposal and reuse of waste tires has been and continues to be a significant environmental challenge. Statistics show that the number of waste tires is increasing at a very rapid rate. The Rubber Manufacturers Association (RMA) estimates that about 250 million scrap tires were generated in the USA in 2013 [1]. Scrap tire generation rate has steadily increased along with population in the USA. Since rubber materials do not decompose easily (due to their crosslinked structure and presence of stabilizers), piling up of waste tires is a significant environmental problem. On the other hand, the next biggest scrap rubber produced in the world would be EPDM waste mainly from the booming automotive industry. A novel extrusion reclamation method has been developed that can produce a reclaimed rubber (referred to as devulcanized rubber (DR) from here on) of very high quality [2, 3, 4]. In addition, this method has been proven to be economically viable in contrast to several other reclamation methods and works on various kinds of rubbers. To explore the commercial applications of these devulcanized rubbers, their performance in blends with polypropylene (PP) have been studied, which has been summarized in this paper.


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38
The effect of microstructure on the mechanical properties of thermoplastic polyurethane/clay nano­composite foams

The microcellular structure and tensile property of thermoplastic polyurethane (TPU)/clay nanocomposite foams were prepared via microcellular injection process and studied by scanning electron microscopy (SEM) and mechanical tests. The microcell diameters of the TPU nanocomposite foams became smaller, and the microcell numbers significantly increased as the clay contents increased. The relationship between clay content and the tensile properties of nanocomposite foams was also investigated. The results showed that the mass density of TPUNC5 (with 5 wt% clay) foams decreased by 12.5 %. Meanwhile, the tensile strength at 450 % strain of the TPUNC5 nanocomposite foams increased by 61.2 % comparing to that of pure TPU foams. Thus, this study shows that light weight, high strength TPU/clay nanocomposite foams can be produced by loading a moderate amount of clay into the TPU matrix.


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42
Improvement of the mechanical and shape-memory properties of TPU with sepiolite fibers

Sepiolite fibers are incorporated in a simple and practical method to achieve increased tensile strength characteristics and shape fixity ratios of polyurethane composites.


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Report
26
Italian exports of plastics and rubber machinery show recovery

The Italian plastics and rubber processing machinery and moulds manufacturers’ association Assocomaplast announced that it has analysed data from the Italian national institute of statistics Istat on Italian foreign trade in the sector for the first three quarters of 2016, comparing them to the same period in 2015.


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27
Hexpol TPE want to make things easier for the customer

At the K 2016 exhibition Hexpol TPE announced plans to consolidate their product branding and re-name each of their European sites (formerly Elasto Sweden, Elasto UK, Müller Kunststoffe) to Hexpol TPE in January 2017. The move was made in order to make things less complicated by presenting a more cohesive and unified offering.


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46
SPE TOPCON 2016 Thermoplastic Elastomers 12th Topical Conference – part 2
50
From the Smithers Rapra Elastomer World Summit 2016 in Cologne, Germany

For several years, Smithers Rapra very successfully organises the international combined elastomer event. The Elastomer World Summit includes two independent conferences under one roof, the Silicone Elastomers and the Thermoplastic Elastomers World Summits. Attendees can freely switch from one to the other conference. They purchase one ticket to the summit that most appeals, but enjoy unfiltered and complete access to the other. As silicones and TPEs are materials that compete in a multitude of applications, the conference summit is a unique platform for converters to get up-to-date technical information about both materials and the main suppliers. The latest edition of the event took place 30 November to 1 December 2016 in Cologne, Germany. An extensive exhibition with exhibitors mainly from the silicone rubber industry rounded up the event. Following we publish summaries of some of the papers presented at the 2016 edition in Cologne.


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54
New SEBS for food contact and medical applications

Kraton G1653 is a developmental polymer recently introduced by Kraton. The
styrene-ethylene-butylene-styrene (SEBS) block copolymer has lower molecular weight than G1652 but is said to still retain the high tensile strength and toughness of G1652 while offering significantly lower melt and solution viscosities. G1653 is suitable for food contact and medical applications.


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