K2022 PREVIEW | MATERIALS
The company, which has been building up its
European presence in recent months, says pilot stage developments it is working on include a new HALS NO-R grade, stabilisers for high-pesticide agricultural applications, and a variety of nucleating agents for use in polyolefins, PET, PLA and PBT. �
www.unitechem.eu
Above: Wacker’s Geniopast PE50S08 masterbatch is said to improve processing of PE resins
Concept V system configured for offline inspection work with optical and X-ray detection. �
www.sikora.net
Tolsa will showcase its Adins range of flame retardant additives and synergists in Dusseldorf, along with its AdinsProtection range of biocidal applications. The company recently adapted its Adins flame
retardant technology, widely used in polyolefins, to PA resins for application in the electrical and electronics, automotive and transportation mar- kets. Over the past two years, it has carried out extensive testing with PA compounds and says it has reduced THR (total heat release) levels by more than 20% compared to competitive additive solutions. Adins grades act as a synergist with halogen and halogen-free flame-retardant systems. They are claimed to be a highly suitable alternative to ATO, allowing reductions of up to 50% while significantly reducing dripping through the formation of char.
www.tolsa.com
UniteChem Group will present the latest develop- ment in its portfolio of light stabilisers. The com- pany recently supplemented its LS-944 product with two HALS (hindered amine light stabiliser) grades: LS-2020 for polyolefin film and fibre produced; LS-119 for agricultural, greenhouse and engineering polymer applications. Next year, it will commercialise its LS-4050 low-molecular weight HALS for thick-wall items, as well as several halogen-free bisphenol A bis(diphenyl phosphate) BDP and piperazine pyrophosphate (PAPP) flame retardants for de- manding applications such as multi-fibre push-on (MPO) connectors. It will also introduce two high-heat stabilisers for PA automotive parts.
46 COMPOUNDING WORLD | September 2022
Wacker will present a new addition to its Geni- oplast line of performance additives as well as more Elastosil LSR products offering new applica- tion potential and sustainability benefits. The Genioplast PE50S08 masterbatch is intend- ed to improve the processing and surface finish of moulded or extruded PE resins, including com- pounded and recycled materials. The pelletised additive comprises a non-reactive, ultra-high-mo- lecular polydimethylsiloxane in a low-density PE carrier. The silicone content of is 50%. According to the company, PE50S08 is a highly
effective processing aid that improves filler distribution in filled formulations and enhances the flow properties of the polymer melt. It claims this increases throughput and reduces the energy needed for compounding. Where mixtures of different PE grades are compounded – as is the case in the processing of recycled polyethylene – it is said to ensure uniform mixing without major torque or temperature fluctuations. Wacker says that PE recycling is one of the new additive’s key application areas. Generally, Genioplast PE50S08 is used at addition
levels of 1-3%. The product is said to be easy to feed with standard compounding set-ups and is readily incorporated into PE mixtures on a twin-screw extruder even when mineral fillers are added. New to Wacker’s LSR line-up is Elastosil LR 3078, a fast curing series of materials designed to bond to PC resins without the need for surface pre-treat- ment. The company says the grades make large- scale production of multi-component parts, such as those needed in medical technology and the automotive industry, more cost effective. The Elastosil LR 3078 product line comprises
hardness values from 20 to 70 Shore A. All grades are translucent and can be coloured as desired. Cured grades have passed selected tests for biocompatibility according to ISO 10993 and US Pharmacopeia Class VI. They can also be steam sterilised repeatedly at 134°C. The company will also present its new Eco
product line. This comprises eight different Elastosil and Silmix grades produced using renewable (mass balance) methanol derived from plant residues. �
www.wacker.com
www.compoundingworld.com
IMAGE: WACKER
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