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

Verpackungsmaterial

Logistik

Standardkunststoffe

Kunststoff Werkstoffe

Thermoplaste

Polypropylen-Compound

Polypropylen

Polypropylene (PP)

The new unit in Baton Rouge, LA/USA, increases polypropylene (PP) production capacity along the Gulf Coast by 450,000 t per year.

ExxonMobil Doubles PP Production at Baton Rouge

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

16:9

Polystyrol

Verbände, Institutionen, Messen

Dienstleistungen

ABS / ASA-Kunststoffe

Polystyrol-Platten

Kunststoffhandel

Handel

Hochleistungskunststoffe

CEDAPJoins Styrenics Circular Solution

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 und Vorprodukte

Schaumstoffe

Kunststoff-Aufbereitung

Kunststoffverarbeitung: Verfahren

Recycling

Umweltmanagement

Kunststoff

Bauwesen

Baustoffe

Kunststoff-Recycling

Kunststoff-Rezyklat

From Fishing Net to Particle Foam

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

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

Warmformen / Thermoformen

Kunststoffverarbeitung: Maschinen und Komponenten

Additive

New PP Additive for Thermoforming Food-Contact Applications

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.

Verbundwerkstoffe / Werkstoffverbunde

Füllstoffe für Kunststoffe

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

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

RKW Sweden, Frankenthal, Germany, introduces films based on filled polyolefin (FPO) that offer several advantages over alternative materials for all kinds of flexible packaging applications, particularly in the food industry: A paper-like feel, effective barriers, outstanding printability, cost saving and environmental benefits. 

Soft Touch with Perfect Protection 

Simulation Verpackung

Polyethylen

Folientechnik (IMD, IML, FIM, u.a.)

Folien

Filled Polyolefin Films 

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 

Spritzgießen

Flowpact Polypropylene Impact Copolymers 

As overall production costs are scrutinized, achieving high efficiencies is becoming increasingly vital. In response to this, Innovia Films Ltd., Wigton, UK, introduces its latest high speed Biaxially Oriented Polypropylene (BOPP) film - Propafilm REF. This new coextruded material compliments their range of high speed materials and increases the options for its customers. 

High Speed BOPP Film 

Flachfolien- und Plattenextrusion

Propafilm REF 

Sabic announces an important expansion of its Sabic PP polypropylene portfolio for the packaging industry with the introduction of two new high flow, injection-molding grades, Sabic PP 513MK46 and 512MK46, impact copolymers based on a phthalate free catalyst. 

For Thin-Walled Packaging Applications  

New Phthalate-Free PP Grades 

Polyolefin is versatile in application and exhibits a consistently high growth rate. The increasingly better understanding of the relationship between the structure and characteristics leads to new formulations. The essential sales markets continue to be the automobile industry, especially for PP reinforced with glass and carbon fibers, and packaging where the quality and recycling of PP are the dominating topics. 

News and Trends from the Reactor to the Recycled Material 

Polypropylene (PP) 

Milliken & Company will begin production at its new clarifier plant in Blacksburg, SC/UDS, in the fall.

With increased production capacities, Milliken considers itself well equipped to meet increasing demand for clarifiers.

Milliken Increases Clarifier Capacity

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

Polyamide

Lighter Together

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

The copolymer comes from the company’s Trucircle product range and is partly made from recycled PP. The pouches are used to package wet food. The multi-layer film used for this is manufactured by the company Huhtamaki.

“Over the past year, we have been closely working with Sabic and Huhtamaki, continually testing-and-learning and scaling up the recycled plastic content in our petfood packs. As part of our Sustainable in a Generation plan, we are committed to doing our part to help drive a circular economy, which includes redesigning our packages for circularity. The fact that we are now able to introduce recycled content into our Sheba pouches helps us accelerate our journey to achieve 30 % average recycled content in our plastic packaging and to reduce by 25 % our use of virgin plastic” says Barry Parkin, Chief Procurement and Sustainability Officer at Mars.

Huhtamaki uses the certified circular polymer as a phthalate-free and gel-controlled film layer, which lends the flexible pouches high impact strength and puncture resistance even at low temperatures down to –20°C. For wet food packaging, the pouches must also be capable of withstanding a retort temperature of 135 °C for 60 minutes. Even higher thermal resistance of up to 160 °C may be needed in freezer-to-oven applications.

Sabic Europe  

https://www.sabic-europe.com

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

2022-02-15 Sabic Katze

issue 09/2022

issue 08/2022

issue 07/2022

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