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.

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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).

Expanded Polypropylene from Maritime Plastic Waste

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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).

PP Compounds for Automotive Lightweight Construction

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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.

Growth through Sustainability and Technical Specialization

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Milliken & Co., Ghent, Belgium, has developed a new variant of its well-established Millad NX 8000 clarifying additive for polypropylene that it has tailored for use in the extrusion blow molding (EBM) process. This new additive performs significantly better in higher melt-flow-rate (MFR) grades of PP, and yields excellent results in both optics and productivity. 

Yields Glass-Like Optical Properties 

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Millad NX 8000E Clarifier 

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 

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Polymers Can Be Expected Everywhere 

Lightweight is no longer just a matter of replacing metal. More and more often, plastics already in use are substituted by lighter weight polymers. New low-density compounds exhibit not only good materials and processing properties. On top of that, they offer various secondary advantages, such as are illustrated by an engine room bulkhead cover and a car door sill.  

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The many different additives in plastic compounds make their composition extremely complex. Special stabilizers help to prevent the generation of volatile organic compounds (VOCs) resulting from the interaction of components in subsequent, long-term automotive applications. 

Stabilizer Reduces VOC Emissions from Polypropylene with No Drawbacks in Processing 

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ZEAL has been optimized to deliver superior propylene yields while maintaining the base catalyst performance. 

Commercial Launch of New Fluidized Catalytic Cracking (FCC) Additive  

BASF Introduces ZEAL to Deliver More Propylene for Refiners 

Whether it was the motto presented by the trade fair’s committee or threatened prohibition proceedings: material producers are getting more involved with sustainability. While some are participating in campaigns and initiatives, others are investigating more closely the basis of their raw materials and their products. In view of the challenge to create a circular economy for plastics, all other topics take second place this year.

Raw Materials Producers See Signs of the Times, and Implement them in Different Ways

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Contrary to the current perception, plastics, as a component of packaging materials, often represent the most environmentally sound option. The plastics industry is currently undergoing a transformation, shifting the focus onto the realization of closed material loops as well as reducing the resource input with highly efficient materials.

More Resource-Efficient Materials for Thermoforming

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Air-quenched blown film was solely a domain of polyethylene until a few years ago. With the polypropylene grades that have since been introduced into this area of processing technology, the application and property spectrum of films produced by this method has considerably widened. New product developments in the area of random and heterophase copolymers are taking account of this trend and permitting economic solutions in the packaging sector. 

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Polypropylene Films: Customised Property Combinations 

With customized polyolefins – sometimes without additives – it is possible to employ commodity plastics in sectors previously reserved for other resins. The opportunity for savings with a simultaneous improvement in properties attracts customers. 

Commodity Plastics (Trade Fair Report K 2007): Mastering Demanding Challenges 

Economical lightweight engineering of car body parts can be realized with plastic-metal composites. A current example is a tailgate module for an SUV model range that supersedes an up to three-shell steel construction. 

Plastic-Metal Hybrid Tailgate Module: Economical Weight Reduction 

A polypropylene material specially designed for contact with drinking water is suited for the internal tanks of small water heaters. A distributor recommended this material and was helpful with obtaining the certificates required for use with drinking water. 

Polypropylene: Suited for Drinking Water 

New PP Additive for Thermoforming Food-Contact Applications

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

Designed for use by thermoformers, the latest high-performance additive for polypropylene (PP) homopolymers from Milliken & Company’s Chemical Division, Ghent, Belgium, reportedly delivers an excellent balance of physical properties and superb aesthetics, all enabled through cleaner chemistry.

Hyperform HPN 909ei checks all those boxes, and more, as this formulation also addresses an important aspect for safety reassurance in the European Union. Tailored specifically to minimize migration, especially in food-contact applications, this new grade of Hyperform has one specific migration limit (SML) less than the previous generation product. A lower number of SMLs means there is one less substance that must be monitored and tested for, reducing customers’ compliance burden. With this simplification, the reassurance of safety is even stronger. This is vital, given that this type of PP homopolymer is typically used to thermoform drink cups and lids, food packaging, and trays.

Traditional nucleating agents require customers to sacrifice impact to gain greater stiffness. Hyperform HPN 909ei, however, delivers improved stiffness (flexural modulus) while maintaining the impact performance. It also provides isotropic shrinkage (similar shrinkage in both directions, thereby reducing warpage) and a higher heat-deflection temperature, which offers improved heat resistance vital for hot-fill and microwaveable applications. It also helps to override the nucleation effects of pigments, thereby reducing design complexity.

According to the company, Hyperform HPN 909ei achieves all this without sacrificing aesthetics. “In fact,” notes Bhavesh Gandhi, Global Product Line Manager for Milliken’s Chemical Division, “it yields products with excellent optical properties, including lower haze, reduced yellowing and an overall cleaner look. This can further enhance sustainability,” he says, “by allowing end users to replace other resins in various applications with highly recyclable polypropylene, with its low overall carbon footprint.”

Milliken Europe BVBA Milliken Chemikal 

www.millikenchemical.com

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

Produkt Milliken PP 21.1.2021

Tailored specifically to minimize migration, especially in food-contact applications, this new grade of Hyperform has one specific migration limit (SML) less than the previous generation product

issue 01/2021

issue 10/2020

issue 09/2020

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