After the explosion of developments in polymer formulations over the last year, it is worth taking a closer look during Fakuma at details such as functional additives or application-specific modifications. Overall, lightweight design continues to spur development but defined surface characteristics are also in demand. The reported innovations do not just follow current consumer trends but also provide ideas for advanced product and process developments. 

Functional Modifications Characterize Developments in Additives and Compounds 

Hochleistungskunststoffe

Polyamide

Polypropylen

Compound

Verbundwerkstoffe / Werkstoffverbunde

Additive

Farbstoffe

Pigmente

Füllstoffe für Kunststoffe

Additive Fertigung

Oberflächentechnik

Medizintechnik

Compoundeure

Distribuenten

Polymers Can Be Expected Everywhere 

Mars Petcare will use Sabic’s BCT18F impact-resistant polypropylene copolymer for the retort pouches of its Sheba cat food brand.

In the future, Sheba wet cat food will be sold in retort pouches with recycled content.

Verpackungsmaterial

Logistik

Kunststoff Werkstoffe

Polypropylen-Compound

Thermoplaste

Sustainable Retort Pouches

Milliken & Company will be showcasing its product portfolio of polymer additives and colorant capabilities at booth 01/A22 at Interplastica 2022 in Russia.

DeltaMax performance modifiers for polypropylene impact copolymers.

Polymer Additive Solutions

Milliken PP additive for thermoforming uses cleaner chemistry to deliver brighter look.

With its growing range of Hyperform HPN high-performance additives, Milliken helps converters improve their processing and enhance the performance of their final PP parts

16:9

Warmformen / Thermoformen

Kunststoffverarbeitung: Maschinen und Komponenten

New PP Additive for Thermoforming Food-Contact Applications

Higher mechanical properties with lower density make polypropylene an interesting alternative to polyethylene for a large number of applications. New catalysts and production processes offer a wider range of products. Monolayer films and recycling are under development. In the meantime, China consumes almost one-third of the PP produced worldwide.

The ReOil pilot plant at OMV AG in Schwechat, Austria, converts plastic wastes with poor recycling properties into cracker raw material, and hence into potential monomers

Growth through Sustainability and Technical Specialization

Polypropylen-Platten

Halbzeuge und Zwischenprodukte

Kunststoff-Halbzeuge

Standardkunststoffe

Polypropylene (PP)

Weight reduction is one of the major requirements of automotive components. Regardless of the vehicles in which they are used. One of the lightest materials that can be considered is polypropylene (PP).

The Chinese manufacturer NIO uses carbon fiber-reinforced PP compounds for the center console support of the ES8 electric SUV

PP Compounds for Automotive Lightweight Construction

Automotive

Elektronik

Elektromobilität

Mobilität

Easier to Reach the Destination

The first series application of the lightweight material microsandwich in 2018 will reduce the weight of vehicle interior trim components by up to 50 %. The efficient one-shot process on existing manufacturing systems offers cost-effective component production by virtue of its short cycle times, as illustrated by the example of a door pocket. 

Microsandwich Made from a Fiber-Reinforced PP Nonwoven and a PET Foam Core for  Vehicle Interior Trim Components 

Polyethylenterephthalat

Schaumstoffe und Vorprodukte

Hybridtechnik

Fasern

Lean Material Mix for Lightweight Interiors 

The Danish company Plastix recycles old fishing nets and ropes. The granules produced are used by JSP International, among others, to manufacture expanded polypropylene (EPP).

11 % of the plastic waste in the sea comes from the maritime industry. For the recycling of old fishing nets and ropes, accurate sorting is very important

Expanded Polypropylene from Maritime Plastic Waste

Schaumstoffe

Kunststoff-Aufbereitung

Kunststoffverarbeitung: Verfahren

Recycling

Umweltmanagement

Kunststoff

Bauwesen

Baustoffe

Kunststoff-Recycling

Kunststoff-Rezyklat

From Fishing Net to Particle Foam

Styrenics Circular Solutions (SCS), the value chain initiative to increase the circularity of styrenic polymers, today announced that CEDAP, Compagnie Européenne Des Applications Plastiques, joins the organisation.

SCS develops solutions to combine the benefits of polystyrene in Form, Fill and Seal (FFS) dairy packaging with circularity

Polystyrol

Verbände, Institutionen, Messen

Dienstleistungen

ABS / ASA-Kunststoffe

Polystyrol-Platten

Kunststoffhandel

Handel

CEDAPJoins Styrenics Circular Solution

Induction as contactless heating technology is also attractive for composite materials. The efficiency of the technology has so far been limited by the resulting complex temperature distribution. Therefore, it is necessary to fundamentally investigate the influences of the laminate parameters on the induction heating behavior of CFRP. 

Influences of Laminate Parameters on the Induction Heating Behavior of CFRP 

Heizung

Kohlenstofffasern / -matten

Faserverarbeitung

Industrieroboter

Induction Heating of CF-Reinforced Polymers 

Vehicle weight reduction requirements today pose great challenges not only to automotive manufacturers and suppliers but also to material producers. The materials used must cut weight while at the same time withstanding the mechanical and chemical stresses encountered in service. This can be achieved, for example, with blends of polyamide and polypropylene. These blends also offer other useful advantages.

Fig. 4. Test bars after contact with a calcium chloride solution. The grey points indicate degradation. The bars made from the PA+PP blends show basically no degradation, unlike those made from PA.

Blends of PP and PA Reduce Weight and Improve Chemical Resistance

Blend

Kfz-Elektronik

Lighter Together

The single use coffee pod market has grown rapidly over the past decade and a new technology devoloped by Milacron ensures that single use coffee pods are able to enter the recycling stream rather than the landfill. Milacron’s patented co-injection systems with embedded Kortec technology are now being used in the production of 100% recyclable single use coffee pods. 

Enjoying Coffee with a Good Conscience 

Simulation Verpackung

Spritzgießen

100 % Recyclable, Single Use Coffee Pods 

The first of a new generation of Flowpact polypropylene impact copolymers from Sabic, Sittard, The Netherlands, has been developed to help manufacturers of many types of injection molded rigid packaging make stronger products. 

Downgauging and Easier Processing for Rigid Packaging 

Flowpact Polypropylene Impact Copolymers 

For hard-soft combination with liquid silicone, polyolefins are a lower-cost alternative to engineering thermoplastics as carrier materials. To achieve a satisfactory bond between silicone and polyolefin, a multilayer film was trialed as an adhesion promoter. The material bond is produced directly during the injection molding cycle using an in-mold decoration film, so saving time and money. 

Polyolefins Modified for Use as Carrier Materials in Thermoplastic-Liquid Silicone Rubber Combination by In-Mold Decoration  

Polyethylen

Silikone

Folien

An Incompatible Pair Stick Together 

The manufacturer of polyolefins is securing its raw materials base, expanding its existing plants further and investing in its infrastructure. Above and beyond this, the company is working up a storm on the recycling market. In Saudi-Arabia and North America, Borouge and Nova Chemicals are increasing their respective focus more on concrete applications and a stronger industry reference. 

Borealis Achieved Record Results due to Wide Profit Margins and Invests in Europe 

Loosen the Ropes 

Modification of a polypropylene matrix by the use of hollow glass microspheres

To ensure better stability of expanded polystyrene insulation panels on the house wall, they are fastened with an additional polypropylene (PP) anchor. However, the fact that two different materials are used results in thermal bridges due to different thermal conductivities (TC), which can be seen visually as the formation of mold and algae, but also cause energy losses. The motivation for this work was to adjust the WLF of the two materials by using a filler, but not to negatively influence the mechanical strength of the anchor.

In the search for a suitable filler to reduce the TC, micro hollow glass spheres (MHGS) emerged as suitable candidates. MHGS, as the only inorganic filler, exhibit a lower TC than PP. In addition, they have a lower density and dielectric constant. The use of 50 vol.-% MHGK (33 wt.%) thus resulted in a reduction of 20% in thermal conductivity, 24% in density and 17% in dielectric constant.

However, the disadvantage of using MHGS was that, as a spherical filler, it reduced the mechanical properties of the matrix. The target approach was therefore to obtain a stable chemical bond between the two components by means of an adapted functionalization in order to counteract the mechanical losses. This could be achieved by a combination of using the adhesion promoter maleic anhydride-grafted polypropylene and silanizing the MHGS with an amino silane.

Plastic Composites, MHGS-PP Compound, Micro hollow glass spheres, Filler, Polypropylene, Plastics, Thermoplastic, Inorganic filler, Thermal Conductivity, Mechanical properties

Dissertation Laura Schwinger.pdf

20211206 Dissertation Laura Schwinger

issue 03/2022

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