K 2013 Collaboration Brings Clear Polypropylene to Life

At K 2013 (16-23 October 2013, Düsseldorf, Germany), Kiefel, SML, Braskem and Milliken will combine their machine and material innovations to bring the powerful material substitution possibilities of Clear Polypropylene (PP) to life. Highly transparent, deep-draw cups produced live by Kiefel on its productivity-boosting systems will let visitors experience first-hand the exceptional high clarity and performance that can be achieved with Braskem’s Inspire 224 PP containing Milliken’s innovative clarifying agent, Millad NX 8000.

 

Clear PP is revolutionizing the range of applications able to take advantage of the lightweight and efficiency benefits of polypropylene. Through their partnership at K 2013, the four companies will demonstrate the performance potential and how state-of-the-art machinery can maximize the efficiency of using PP, highlighting the material’s viability as an alternative to less sustainable materials.

 

Cold drinking cups produced with ultra-clarified homopolymer Inspire 224 from Braskem, the largest producer of thermoplastic resins in the Americas, display revolutionary clarity levels. The clear PP capitalizes on the superior optics and transparency generated by Millad NX 8000 to achieve high gloss and optimum haze and clarity for cups and shallow draw / low orientation applications, such as cold drink cup lids. It has full FDA clearance for conditions A to H. The overall engineering and good stiffness of Inspire 224 compared to random copolymers supports excellent processability for the extrusion and thermoforming market.

 

Talking about the application, Braskem America marketing director Joe Paolucci said: “Milliken additives help to provide the product enhancements that are sometimes required to successfully compete in higher end specialty applications.”

 

Extrusion equipment specialists SML will utilize this ease of processability to produce a film sheet in-house for Kiefel on one of its state-of-the-art lines. The SML High Performance extrusion line incorporates High Speed Extrusion (HSE) technology and typically produces more than 1000kg/h of high quality sheet. This ensures that the energy consumption per kg sheet is very low.

 

A Smart Parallel Gap (SPG) roll, designed by SML, ensures a very tight thickness tolerance and easy winding and unwinding of the sheet. Homogenous cooling creates a controlled crystalline structure for the finished sheet.

 

Kiefel, the experts in processing plastic film materials, will use the extruded sheet to perform the demo runs on its latest efficiency-focused systems for the food industry – the high performance cup pressure forming machine Thermorunner KTR 5 SPEED combined with the innovative BEST stacking system, developed by Kiefel specifically for the food industry. This stacking system does not include any wear parts and therefore guarantees a high product safety.

 

BEST adds to the already very efficient forming and punching stations of the KTR 5 SPEED by stacking cups vertically. This creates optimal conditions for the next automated steps, such as sleeving and packaging, saving time and increasing productivity. When used together, converters can reach almost the same cycle times when processing PP as when processing PET.

 

Live product runs will take place at the Kiefel GmbH Booth in Hall 03 C92 throughout K 2013. Visitors can also check out the samples at the Braskem Booth (Hall 6 D27) and the Milliken Booth (Hall 6 A27).

 

About Braskem

Braskem is the largest producer of thermoplastic resins in the Americas. With 36 industrial plants in Brazil, the United States and Germany, the company produces over 35 billion pounds of thermoplastic resins and other petrochemicals per year. Braskem is the world’s leading biopolymers producer with its 440 million pound green polyethylene plant that produces polyethylene from sugarcane-based ethanol.

 

About Kiefel

Kiefel GmbH is a member of the Siegsdorf-based Brückner Group, a world-leading supplier of machines and plant systems for use in the plastics processing industry. KIEFEL is a world leader in the design and manufacture of machines used to process plastic film materials. The company offers core expertise in the fields of molding and joining technology. As a supplier to reputable manufacturers in various sectors, Kiefel GmbH services customers in the automotive, medical technology, refrigeration and packaging industries.

 

About SML

SML is internationally recognized as reliable turn-key supplier of custom-made coex-castfilm-lines, coex-calendering-lines, extrusion-coating-lines and multifilament-spinning-lines. With its strong engineering force, SML has established itself as worldwide technology and market leader in various fields. Besides supplying customer-made extrusion-lines SML offers holistic and reliable concepts to support customers in the realization of complex products.

 

About Milliken

Milliken is an innovation company that has been exploring, discovering, and creating ways to enhance people’s lives since 1865. Working from our laboratories, application and development centers around the world, our scientists and engineers create coatings, specialty chemicals, and advanced additive and colorant technologies that transform the way we experience products from automotive plastics to children’s art supplies. With expertise across a breadth of disciplines that also includes floor covering and performance materials, the people of Milliken work every day to add true value to people’s lives, improve health and safety, and make this world more sustainable.

 

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Sealed Air Brings Fresh Clarity to Lightweight Cryovac PP Chilled Food Packaging with Millad NX 8000

Sealed Air Corporation is offering a range of lightweight polypropylene (PP) trays and pots with high clarity for chilled foods thanks to Milliken’s clarifying innovation Millad NX 8000. Sealed Air’s choice of Millad NX 8000 to up the clarity benchmark of its thermoformed Cryovac lidded trays and pots for meats, salads and other fresh produce, means food processors can benefit from the reduced packaging weight and lower carbon footprint of PP compared to alternative materials without comprising on packaging transparency or performance.

Due to its low density, PP packaging is typically 10 – 30% lighter and has a 24% lower carbon footprint than APET, for example, while offering the same strength and rigidity (Source: Intertek). Less material usage contributes to less post-consumer waste production too. Sealed Air’s Cryovac containers are non-brittle and break without sharp edges. The inherent higher heat resistance of PP trays and containers allows them to be reheated and also laminated in heat-sealing machinery without cracking or warping. PP is readily recyclable and straightforward to separate from other materials in the recycling chain, lending itself to re-use as food packaging or, through energy recovery, as a valuable source of energy.

Sealed Air’s customers have responded favorably to the company’s success in moving the clarity standard of its PP packaging upwards. By using Millad NX 8000, Sealed Air has also benefited from processing advantages in its production chain.

“Conventional clarifying agents don’t dissolve or disperse well in PP and this can cause a build-up on machinery during processing,” comments Michael Thomson, Sealed Air. “New generation Millad NX 8000 on the other hand is easy to process. This further plus point for the clarifier adds to its significant achievement in raising the clarity standard of our polypropylene applications for the food sector.”

Milliken provided technical support and the right solution to help Sealed Air achieve optimum clarity and offer the highly-demanding food industry a competitive packaging alternative to support producers in meeting UK and European guidelines regarding reduction in packaging weight, waste and CO₂ emissions.

Sami T.K. Palanisami, marketing and sales manager plastic additives EMEA, Milliken, adds: “High clarity polypropylene helps food producers create an appealing fresh-look for packaged foods. It also brings the valuable environmental advantage of lighter packaging with a low carbon footprint during production and transportation, achieving a combination of benefits that is not possible with other materials.”

About Milliken
Milliken is an innovation company that has been exploring, discovering, and creating ways to enhance people’s lives since 1865. Working from our laboratories, application and development centers around the world, our scientists and engineers create coatings, specialty chemicals, and advanced additive and colorant technologies that transform the way we experience products from automotive plastics to children’s art supplies. With expertise across a breadth of disciplines that also includes floor covering and performance materials, the people of Milliken work every day to add true value to people’s lives, improve health and safety, and make this world more sustainable.

About Sealed Air
Sealed Air is a global leader in food safety and security, facility hygiene and product protection. With widely recognized and inventive brands such as Bubble Wrap brand cushioning, Cryovac brand food packaging solutions and Diversey brand cleaning and hygiene solutions, Sealed Air offers efficient and sustainable solutions that create business value for customers, enhance the quality of life for consumers and provide a cleaner and healthier environment for future generations. Sealed Air generated revenue of approximately $7.6 billion in 2012, and has approximately 25,000 employees who serve customers in 175 countries.

Millad is a registered trademark of Milliken & Company.

NX is a trademark of Milliken & Company.

Milliken is a registered trademark of Milliken & Company.

Cryovac is a registered trademark of Cryovac Inc., a subsidiary of Sealed Air Corporation

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Unipetrol RPA Launches New Product to Up Aesthetics and Performance in Thermoformed Packaging

Unipetrol RPA is passing on the clear benefits of collaboration to its packaging sector customers with a new low melt flow rate HPP grade based on Hyperform HPN-600ei. The new development, Mosten FT005, significantly ups the aesthetics and processing performance of thermoformed rigid packaging, such as beverage cups, yogurt pots and trays.

New Mosten FT005 is a bimodal polypropylene homopolymer (hPP) resin incorporating Milliken’s unique Hyperform HPN-600ei nucleating innovation with an antistatic agent. The grade brings significantly improved transparency and a glossy surface to end-products, leading to better aesthetic appeal. At the same time, its well-balanced processing properties ease parts production for converters.

Mosten FT005 is the result of intensive co-operation between Unipetrol, its R&D center Polymer Institute Brno (PIB) and Milliken. Following initial discussion and research of market needs, PIB provided technical support to Unipetrol throughout the development process. This included preparation of first laboratory samples and investigation of basic processing and mechanical properties. Milliken not only supplied its innovative additive, but also helped with resin evaluation during initial production of thermoformed parts.

Hyperform HPN-600ei nucleation technology improves transparency in polypropylene by enhancing the crystallization process, and it also creates an attractive ‘fresher’ look that is noticeable in both single and stacked parts produced with the grade.

On the processing side, the increased speed of crystallization induced by HPN-600ei, together with the bimodal nature of the Unipetrol PP, creates the potential to cut cycle time, raise productivity and reduce costs. An antistatic agent incorporated into the resin along with the Milliken additive eases the demolding of finished parts, which together with their improved dimensional stability and reduced tendency to warpage (thanks to isotropic shrinkage), leads to an overall improvement in product handling.

Austria-based converter Greiner Packaging, which has production operations in the Czech Republic, was brought into the project to trial Mosten FT005 on a production run for yogurt pots. The success of this market innovation was proven through the notable improvement in transparency compared to competitive materials.

“It was important for Unipetrol and our researchers at PIB to involve Greiner early in the product testing stages, to ensure Mosten FT005 would achieve the results we were hoping for on actual thermoforming lines,” concludes Stanislav Jansky, PP product manager, Unipetrol RPA. “As a result of working closely with all of the project partners, we can proudly offer our thermoforming customers a new resin that really boosts the optical properties of rigid packaging applications beyond existing levels.”

“The clear improvement in transparency achieved with Mosten FT005 will enable converters to improve the optical properties of their packaging solutions and create new opportunities for brand owners to increase the exclusivity of their products,” comments Ivo Benda, executive, Greiner Packaging Slusovice s.r.o.

About Unipetrol RPA
Unipetrol RPA is a leading Czech refinery, petrochemical and agrochemical raw materials producer, which is also reflected in the initial abbreviation “RPA”: refinery, petrochemistry, agrochemistry. The company supplies the market primarily with motor fuels, fuel oils, asphalts, liquefied petroleum products, oil hydrogenates, other refinery products, olefins, aromates, agrochemicals, carbon black, sorbents and polyolefins (high-density polyethylene and polypropylene).

The Polyolefins Unit of Unipetrol RPA is the most significant supplier of polyolefins in the Czech market. while having a unique position in Europe. Its production capacities represent five percent of the overall European production of HDPE and two percent of the European production of PP.

In cooperation with its research and development base in Polymer Institute Brno, the Polyolefins Unit also supports and participates in the modification of existing and new developmental polyolefin grades.

About Polymer Institute Brno (PIB)
Polymer Institute Brno, spol. s r.o (PIB), formerly known as the Research Institute of Macromolecular Chemistry (RIMC), currently owned by Unipetrol RPA, s.r.o. and Unipetrol a.s., has long been the base of the applied research in the field of polymers.

Having a long tradition in Ziegler-Natta catalyst research and polymer stabilisation, the position of the Institute became quite clear-cut, particularly after the building of polyolefin production plants in Litvinov in the early seventies. Since then, activities have been focused mainly on polyolefin catalyst research, new resin grade development, post-reactor modification of polymers (reactive compounding, reactive extrusion, polymer alloys, fillers), new formulations of additives (stabilisers, color concentrates, antistatics, etc.) and trouble-shooting.

The present funding of the Institute is based mainly on the revenues from contract research activities and small-scale production. Although the predominant volume of research contracts comes from the majority owner, the Institute is open to accepting projects from other domestic and foreign customers. The second important financial resource, i.e. small scale production, is oriented mostly at specialist areas in which the Institute has its own know-how (e.g. tailor-made additivation concentrates and colour masterbatches). The Institute has also been involved marginally in trade activities, and it offers services in the field of information retrieval and consulting.

About Greiner
As early as 1986, Greiner Packaging started a cooperation with an agricultural state combine in Moravia. Greiner Packaging Slušovice was established as a result of this cooperation, and since 1992 it has been integrated into the Greiner network. Greiner Packaging International is one of the leading companies in the European packaging industry. In 2011, the company achieved annual sales of EUR 446.6 million or more than one third of the total Greiner Group sales. Greiner Packaging International has a workforce of 3,103 employees at 32 sites.

About Milliken
Milliken is an innovation company that has been exploring, discovering, and creating ways to enhance people’s lives since 1865. Working from our laboratories, application and development centers around the world, our scientists and engineers create coatings, specialty chemicals, and advanced additive and colorant technologies that transform the way we experience products from automotive plastics to children’s art supplies. With expertise across a breadth of disciplines that also includes floor covering and performance materials, the people of Milliken work every day to add true value to people’s lives, improve health and safety, and make this world more sustainable.

Hyperform is a registered trademark of Milliken & Company

Milliken is a registered trademark of Milliken & Company

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