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Collaboration to promote certified renewable polypropylene

Collaboration to promote certified renewable polypropylene

News 24.09.2023

SABIC, a global leader in the chemical industry, has partnered with three specialists in the field of in-mold labeling (IML) to demonstrate the use of certified renewable polypropylene (PP) resins in high quality mono-PP thin-wall container packaging without compromising quality, processability, safety or convenience. The single-step IML technology achieves a seamless part decoration right in the injection mold, where the label becomes an integral component of the packaging itself. Dedicated label film types and high-definition printing technology result in a very attractive and cost-effective decorative solution. Besides using certified renewable PP resins for both the molded parts and the label film, the resulting packaging can be recycled in existing rigid PP recycling streams.

SABICPR650a

In a comprehensive value chain collaboration with Taghleef Industries, Karydakis IML S.A. and Kotronis Packaging, SABIC promotes the use of responsibly sourced and certified renewable polypropylene resins in the production of fully recyclable mono-material packaging containers with advanced in-mold labeling (IML) technology.

Abdullah Al-Otaibi, General Manager, ETP & Market Solutions at SABIC, said: “The demand for in-mold labeled packaging is constantly growing across various different consumer market segments, as it provides major opportunities for cost effective and highly sustainable solutions. Together with the responsibly sourced and certified renewable polymers from our TRUCIRCLE™ portfolio, this flexible decoration technology has enormous potential in fully recyclable mono-material packaging with no compromise on shelf visibility and consumer appeal in the retail space. At the same time, it can help manufacturers and brand owners reduce their environmental impact and carbon footprint while addressing the need for preventing valuable used plastic from ending up as waste.”

The label material for the IML containers is a biaxially oriented polyethylene (BOPP) film produced by Taghleef, a leading global supplier of films solutions to customers worldwide, using a SABIC® certified renewable resin tailored to the BOPP process. BOPP films are widely used for in-mold labeled injection molding applications in food, dairy and beverages, home, beauty and personal care packaging. Taghleef offers transparent, white and metalized PP label films, which can all be produced using polymers with bio-based feedstock. Furthermore, they can easily be customized to meet specific needs of gravure or offset printing for desired haptic textures and visual appearance, from glossy, matt, orange peel or velvet feel to an entirely non-label look.

Monica Battistella, Sustainability Manager at Taghleef, added: “Our BOPP film range for in-mold-labeling gives brand owners a wide choice of premium packaging finishes to enhance brand differentiation and shelf visibility with a low environmental impact. In combination with the sustainable nature of SABIC’s mass balance certified renewable polymer from second-generation feedstock, the exceptional printability, die-cutting, anti-static and non-stick properties of these films deliver maximum value throughout the entire life cycle of the labeled products, including end-of-life recycling.”

SABICPR650b

As part of the present collaboration, the final BOPP label film is supplied to Karydakis, a leading specialist in optimized printing techniques, ink formulations and conversion technologies tailored to PP-based in-mold labels. The company’s sophisticated process delivers high-quality labels pre-printed with captivating designs and branding elements to match end customer specifications and ensure the effortless integration with the containers throughout the molding process.

Giorgos Karydakis, General Manager at Karydakis IML S.A., stated: “With this collaborative initiative, we are demonstrating the feasibility of bio-based materials in the production of high-quality IML labels. We offer our customers a wide range of attractive printing options for cups, tubs, jars, shakers and pails in sizes from 50 ml to 50 liters, including additional digital watermarking with material information in line with the European HolyGrail 2.0 initiative for smart automated mechanical recycling.”

Augustinos Kotronis, General Manager at Kotronis Packaging, explained: “In-mold labeling offers substantial productivity benefits, since it eliminates the need for separately applied adhesive labels on the finished packaging product by forming a permanent, tamper proof bond with the container right in the mold. In addition, the renewable container material from SABIC complies with all relevant international standards for food-contact applications, while showing excellent processability on our machines, including high flowability for reduced wall thicknesses. Moreover, it meets with our targets for reducing both CO2 emissions and fossil consumption.”

Cut to shape for stacking, the IML labels are finally supplied to Kotronis, a medium-sized family business specializing in injection molded containers for food products. Here, they facilitate the efficient in-mold labeling of cups and tubs in a seamlessly integrated and fully automated, single-step process. This IML solution was on display at Taghleef’s Booth during Labelexpo in Brussels from September 11 to 14.

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