K2019 PREVIEW | POLYMERS AND ADDITIVES
Right: Total Corbion will be serving coffee in these heat resistant PLA cups from Pacovis
serving coffee – or tea – in thermoformed Naturesse cups produced by Pacovis. Other exhibits include PLA-based Nespresso coffee capsules from ATI, thermoformed packaging items from Pack & Proper, Danone and Cuki Profes- sional, and PLA-coated paper cups and drinking straws from EcNow Tech and Shanghai Xinxin. Durable applications include a computer mouse by Nager-IT. �
www.total-corbion.com
Trexel will be presenting its TecoCell range of chemical foaming agents. Offered alongside the company’s established MuCell physical foaming system for injection moulded parts, the TecoCell products are claimed to offer premium chemical foaming performance at a low price. The company claims the patented foam processing technology,
which uses nano-sized (<0.08 micron) CaCO3 particles, produces a fine cell size foam with considerably higher surface quality than can be achieved with alternative conventional chemical foaming agents. �
www.trexel.com
Below: Wacker’s Genioplast Pellet 345 is designed to enhance the performance of TPUs and other TPE compounds
Vertellus will introduce a new developmental product at the show that is intended to upgrade fibre reinforcements to enhance the performance of reinforced thermoplastic compounds and composites. It will also highlight a number of other recent introductions to its product line, which includes a variety of performance enhancing additives for use with polyolefins, polyesters, polyamides and PVC. �
www.vertellus.com
Wacker will introduce a new silicone additive designed to enhance the perfor- mance of thermoplastics polyurethanes (TPUs). Genioplast Pellet 345 is claimed to reduce the hardness of TPU compounds, increase their elasticity and improve re- istance to surface scratch- ing and abrasion. While optimised for use with TPUs, the company says it can also provide benefi- cial effects in other TPE
formulations.
Part of the Wacker line of silicone compounding additives, Genioplast Pellet 345 is a pellet-form silicone copolymer that processes as a thermoplas- tic and disperses finely and homogeneously throughout the polyurethane matrix. It can be dosed on conventional compounding feeding equipment. Additions of 3-5% are said to enhance the smoothness of the TPU, improve scratch and abrasion resistance, and make the surface more resistant to contamination by foodstuffs and cosmet- ics. Additions of 10% or more make the compound softer and more elastic. According to Wacker, every 10% increase in addition level achieves drop in Shore A hardness of approximately five points. While the addition of the Pellet 345 additive
results in some loss of mechanical strength, the company claims this is less pronounced than with alternative silicone-based additives. It does not have a negative impact on adhesion properties, so is a good choice for TPUs intended for hard/soft overmouldingapplications. In addition, as the copolymer physically bonds to the matrix, it will not migrate (it is authorised for foodcontact applica- tions in the EU). The company see the additive finding applica- tion in development of durable TPU compounds for production of items such as watch straps, smartphone covers and grips for sports equipment or hand tools. Wacker will also show the latest version of its
ACEO 3D printing system. The ACEO Imagine Series K2 printer can handle up to four different silicone materials (or three silicones and a support material) allowing production of parts in multiple colours or in different hardness combinations. It also incorporates a new auto-control technology that measures each layer and applies any neces- sary corrections to maintain compliance with the original CAD model. �
www.wacker.com
66 COMPOUNDING WORLD | September 2019
www.compoundingworld.com
PHOTO: TOTAL CORBION
PHOTO: WACKER
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