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Solenis LLC
TOPSCREEN BARRIER COATINGS FOR CUPSTOCK
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TopScreen barrier coatings for cupstock are the answer to market demand for plastic-free, recyclable, single-use beverage cups and ice cream cups. Traditional single-use paper cups could be a nearly 100 percent renewably sourced alternative to plastic cups except for one big problem: a thin layer of plastic, typically polyethylene (PE), is laminated on the inside of the cup. This plastic layer acts as a liquid barrier and provides the glue that holds the cup together during the heat-sealing phase of production. Unfortunately, this layer prevents cups from being recycled easily, and it becomes a source of plastic and microplastic contamination in soil and marine environments.
TopScreen barrier coatings for cupstock are the answer to market demand for plastic-free, recyclable, single-use beverage cups and ice cream cups. Traditional single-use paper cups could be a nearly 100 percent renewably sourced alternative to plastic cups except for one big problem: a thin layer of plastic, typically polyethylene (PE), is laminated on the inside of the cup. This plastic layer acts as a liquid barrier and provides the glue that holds the cup together during the heat-sealing phase of production. Unfortunately, this layer prevents cups from being recycled easily, and it becomes a source of plastic and microplastic contamination in soil and marine environments.
TopScreen barrier coatings for cupstock provide papermakers a versatile toolkit to produce the next generation of cupstock — cupstock that provides a superior liquid barrier without the use of polyethylene. These innovative PE alternatives are waterborne dispersions that can be applied using conventional coating application processes, resulting in coated board that can be converted into cups on existing cup-forming machines. With TopScreen barrier coatings, single-use cups for hot and cold drinks, ice cream, and other applications are recyclable and repulpable and may be compostable.
For paper and board producers and packaging converters, TopScreen barrier coatings for cupstock offer several appealing features and benefits. For example, the coatings:
Can be applied to single-use cups and short-duration food service items
Can be applied with standard coating application equipment and processes
Can be converted on conventional cup forming equipment
Offer performance and aesthetics comparable to traditional PE-laminated cups
Are recyclable and repulpable; post-consumer cups can be used to produce new cups or other paper-based packaging products
May be compostable, with many applications capable of achieving EN 13432 certification
Comply with global food contact standards, including BfR XXXVI, FDA 21 CFR § 176.170, and GB9685-2016