K2022 PREVIEW | MATERIALS Materials and Additives
Last month’s K2022 Materials Preview looked at some of the planned introductions in terms of resins, compounds, masterbatches additives and colorants. However, some submissions arrived a little too late to be included and are featured over the following three pages.
Right: A 5G MID antenna moulded in Asahi Kasei’s latest Xyron mPPE com- pound
Asahi Kasei will launch a new line of Xyron mPPE (modified polyphe- nylene ether) compounds that are designed for 5G applications such as mobile phone MID (moulded interconnected device) antennas. The company says the new
Xyron compounds offer low dielectric permittivity, low loss tangent and high hydrolysis resistance. It claims that simulation results indicate using them in MID antennas can improve total efficiency by as much as 1 dB compared to PC alternatives commonly used in this application. It says this enables operation at higher frequencies and more advanced device functionality, alleviating design space constraints. The company says it is also developing Xyron
grades for use in base station antenna covers, which call for lightweight, weather-resistant materials providing low dielectric permittivity to improve electromagnetic-wave transmissivity. Asahi Kasei is also introducing a number of
Right: Brazil’s Plastiweber will show its seven recycled LDPE and LLDPE grades
recycled PET/PPE alloys, which allow bonding to metals, for use in 5G smartphone terminal struc- tural parts. Also part of the Xyron line, the recycled grades combine PPE with various recycled resins to yield more sustainable manufacturing without sacrificing the high performance of the materials. PET/PPE alloys, for example, use around 40% post-consumer recycled resin recovered from PET bottles and other sources. �
www.asahi-kasei.com.
Cromex will present the latest additions to its Act Green line of masterbatches, including its rC-Black products manufactured using black pigments sourced from reprocessed car tyres. The Brazilian masterbatch maker says the pigments are pro- duced using a process that requires no additional fossil fuel use and results in lower CO2
emissions
compared to virgin carbon black. It says it cur- rently transforms around 100,000 tyres to master-
batches each month, resulting in an estimated CO2 emission reduction of 5,000 tonnes.
40 COMPOUNDING WORLD | October 2022
www.compoundingworld.com
The company will also present black NIR masterbatches, which are carbon black-free products capable of enabling simple sorting of black PE, PP, PS and PET packaging in automated commercial sorting systems, and its full range of recycling additive masterbatches and PCR master- batches that use post-consumer resins carriers. �
www.cromex.com.br
Palmarole will show some of its latest additive products. Palmorale LS.BL.111 light stabiliser is said to be particu- larly suitable for polyolefins as it absorbs more in the UV-B range than traditional 326 types. It is available in powder as well as non-dust form. Its
AO.LA series of phenolic
antioxidant blends are recommended for use as antioxidant boosters, where they can improve performance af antioxidant systems at extreme processing conditions. They are said
to be especially useful in recycling of polyolefins. The company will also present a series of new
nucleating agents, including Palmarole
MI.NA.12 aluminium para tertio butyl benzoate, which is already widely used in Asia in technical applica- tions with PP block copolymers. The range also includes
MI.NA.13, which is a calcium salt of carboxylic acid allowing a good stiffness/impact balance in PP. The company says it has good isotropic properties. �
www.palmarole.com
Plastiweber will be presenting its range of recycled PE resins, which the Brazilian company says contain up to 100% recycled content. It says it sources its LDPE and LLDPE raw materials from a “circular ecosystem” made up of more than 50
IMAGE: ASAHI KASEI
IMAGE: PLASTIWEBER
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