NEWS


Above: Coperion says two plant using its ABS blend technology already in operation


Coperion claims a lead in ABS


Coperion said last month it has developed a process solution for energy-efficient manufacturing of acryloni- trile-butadiene-styrene copolymer (ABS) blends, with its ZSK Mc18


twin screw


extruder playing a key role. Chinese process engi- neering company Zhejiang Zonepic Petrochemical Technology is a licensor for the emulsion grafting-bulk polymerisation ABS blend method, which allows the production of ABS blends in various grades. It has designed several large installations using multiple


133mm diameter ZSK Mc18 twin screw extruders, with two already in production. The ABS emulsion


emerges wet from a reactor following its manufacture and in Coperion’s solution passes through a screw press before its introduction downstream via a ZS-B side feeder into the process section of a ZSK extruder, so eliminating energy-intensive thermal pre-drying. Coperion said this solution delivers reduced energy consumption and minimal residual monomer. � www.coperion.com


Kraiburg extends PCR options with new TPE


TPE manufacturer Kraiburg is expanding its Thermolast R product line, extending the opportunity to use post-consumer recycled- content TPEs to include grades with low Shore A hardness. The new TPE grades are


www.compoundingworld.com


said to be tailored to meet the requirements of multiple applications, including single and multi-component parts (they provide adhe- sion to PA, PC/ABS or PP). They contain up to 79% recycled content. � www.kraiburg-tpe.com


info@lesunscrew.com www.lesunscrew.com


IMAGE: COPERION


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