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Due to environmental and sustainability concerns, it is desirable to replace mineral oil with vegetable oils as processing aids and plasticizers in rubbers. In this paper the effect of four polymerized soybean oils of high viscosity on processing and physical properties of EPDM rubber in a standard sulfur-cured formulation is evaluated.

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Trinseo is highlighting its portfolio of latex binders for the adhesives and construction markets at the European Coatings Show (ECS) 2019 from 19 – 21 March 2019 in Nuremberg, Germany. The company is a global materials solutions provider and manufacturer of plastics, latex binders and synthetic rubber.

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Due to the need for new fuels with a lower environmental impact – may it be either lowering the carbon dioxide, general greenhouse gas, NOx or particle emissions – the worldwide landscape of fuel compositions is currently drastically changing. While in Central Europe a specified fuel is predominant, the constitution of fuels might tend to vary more in most other countries. Researchers at Freudenberg Sealing Technologies have reviewed the impact of those compositions on the seal materials and the seals themselves.

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Liquid Rubber from Kuraray is ideal for demanding surface materials, e.g. in the automotive industry or shipbuilding (Source: Kuraray)

Kuraray announced that it will present its Mowital, Poval and Liquid Rubber (K-LR) brands, including a new heat-resistant PVB material and two new high-molecular polyvinyl alcohols, at the European Coatings Show (ECS) 2019 from 19 – 21 March 2019 in Nuremberg, Germany.

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Lanxess is showcasing its extensive range of products and versatile solutions for manufacturing tyres at the Tire Technology Expo (TTE) 2019. These include environmentally friendly Rhenodiv release agents, Rhenomark tyre marking paints, Rhenoshape tyre vulcanisation bladders, Rhenogran aramid-fibre masterbatches, additives, accelerators and antidegradants. The company is represented at the event by its Rhein Chemie and Advanced Industrial Intermediates business units.

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Arlanxeo is highlighting its latest achievements and developments in new eMobility oriented technologies at the Tire Technology Expo (TTE) 2019. The products are marketed under two brands: X_Butyl, which stands for premium butyl rubber products, and Buna, which stands for a multilateral range of butadiene rubber products. In the tyre sector, Arlanxeo’s rubber products are said to offer exceptional dynamic properties, strong impermeability, good resilience and grip, reduced rolling resistance, and high durability to ensure tyre performance while decreasing fuel consumption and CO2 emissions.

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In passenger cars, “green” tyres have already proven to be effective in conserving resources. Evonik has now developed the silica Ultrasil 9100 GR that, according to the company's latest findings, is particularly suitable for use in truck and bus (TBR) tyres. In contrast to passenger car tyres, these use mainly natural rubber, which, in combination with the silane, places special requirements on the silica.

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The Netherlands has prepared a proposal to support a possible restriction to address the risks from eight polycyclic aromatic hydrocarbons (PAHs) found in granules and mulches used in synthetic turf pitches, or in loose forms at playgrounds and other sports facilities. The proposal, prepared by the Dutch National Institute for Public Health and the Environment (RIVM) in cooperation with the European Chemicals Agency (ECHA), states that the general concentration limits set under REACH for eight carcinogenic PAHs in mixtures are insufficient for protecting those who come into contact with the granules and mulches while playing at sports facilities and playgrounds.

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Nouryon (formerly AkzoNobel Specialty Chemicals) has introduced a new dibenzoyl peroxide (BPO) formulation, Perkadox GB-50, to customers in the composites market. GB-50 will replace Perkadox CH-50, a peroxide that is desensitized (or “phlegmatized”) with dicyclohexyl phthalate (DCHP), which the European Union recently reclassified as a category 1B Reproductive Toxin.

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The need for life-time recycling loops for all kinds of products is steadily increasing. Tires and rubber products prove no exception. A recent paper from the University of Twente describes the devulcanization of rubber articles including tires of various sorts. It highlights what has been achieved for different major rubber types, but also what hurdles are to be overcome before rubber recycling is as obvious a technology as the manufacturing of first use rubber-articles.

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