PVC | STABILISERS/LUBRICANTS
Right: PVC pipe production is a key market for Chemson’s stabilisers
reactions between key stabiliser components, this allows a wide base of formulation flexibility to enhance stabiliser performance,” he says.
Tackling dust Peter Marschalek, Head of Global Marketing at Chemson Polymer-Additive, says the company continues to develop processes and products, particularly in the field of dust-free tablet systems. “These are tailored to all specific requirements of the processor/converter,” he says. “The 1K tablet is enjoying increasing popularity, balancing strong stabilisers, sensitive co-stabilisers and lubricant packages, and combining them into a strong additive system. This product line is proven for demanding window formulations but also for reliable pipe applications, such as bi-oriented PVC pipes (OPVC).”
Chemson is also continuing to develop additive systems in powder form and as press granules, Marschalek says. Work has also resulted in a PVC filament for 3D printing, which he says makes use of the good processing properties as well as the durability of the polymer. The filament, first seen at the Formnext 2018 additive manufacturing show in Frankfurt, is available under the VBEE brand. “VBEE requires a different degree of attention to 3D printing details than most of the other AM/3DP polymer materials,” Marschalek points out. “Chem- son’s advanced, benign stabilisation technology has provided remarkable and unprecedented thermostability for the 3D printing materials.” Chemson is also planning to strengthen its
Below:
Songwon’s new partnership with Uniwel will lift capacity for tin-boosted stabilisers for PVC pipe fittings
global presence in China and US with an annual capacity expansion of 40,000 tonne, as well as investing around €30m in its production operations in Austria over the next two years.
Strategic cooperation Other key players with expansion in mind include Songwon, which entered into a strategic coopera- tion agreement with Chinese firm JiangSu Uniwel
Chemistry Co, effective as of July 2019, to meet the growing need for PVC stabilisers. Uniwel was founded around the turn of the century and is now a leading supplier of PVC stabilisers in China. Songwon says the partnership will provide it with immediate access to state-of- the-art production of liquid and solid mixed metal stabilisers and competitive Chinese raw materials. It says it will continue with its stabiliser production in South Korea. For customers, the cooperation brings an immediate capacity increase for its Songstab liquid and solid mixed metal stabilisers. Songwon says it also plans to produce tin-boost- ed calcium/zinc stabilisers at Uniwel. “Specially designed for pipe fittings, these stabilisers have the combined advantages of a high Vicat softening temperature, a wide processing window and a solid physical form, attributes favoured by numer- ous pipe producers,” the company says. “Since the products contain a unique tin stabiliser with a very high tin content, only a low amount of tin stabiliser is added in the one-pack, to achieve top perfor- mance. The main product, Songstab CZ-SF670, has been very well received in the market and is being used by a growing number of customers.”
CLICK ON THE LINKS FOR MORE INFORMATION: �
www.stabilisers.eu (ESPA) �
www.reagens-group.com �
www.galatachemicals.com �
www.pmcorganometallix.com �
www.valtris.com �
www.ika-wolfen.de �
www.chemson.com �
www.songwon.com
28 COMPOUNDING WORLD | June 2020
www.compoundingworld.com
IMAGE: SONGWON/ISTOCK
IMAGE: CHEMSON
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