PepsiCo

Seeking moisture barrier for bio-based films

Posted by PepsiCoResponsive · Specific Technical Innovation · Project Size Range : Strategic project backed by large scale funding € · Deadline at 31/10/2020 · United States

Desired outcome

We have been working on bio-based/biodegradable flexible films for food packaging to help achieve our sustainability goals of having 100% RCB compliance for our packages as well as 20% reduction in GHG by 2030.

While flexible package is a very sustainable option from a material use point of view, the multi-layer multi-material structures are not conducive for recycling and mostly end up in the landfill or as litter. While the biodegradable films help us with the end of life issues by designing for managed waste infrastructures like composting and anaerobic digestion, it cannot be at the expense of performance compromises such as reduced shelf stability.

Oxygen barrier is not a problem with these films but achieving the very high moisture barrier required for packaging dry foods (< 0.3 g/m2/day under tropical conditions of 38C/90% RH) has been a challenge. We understand that metallization will be needed to achieve the high moisture barrier requirements, but even with metallization we have not been able to reach this barrier with bio-based films. Also, it is important to maintain this barrier under forming conditions in the VFFS process of bag-making.

We are looking for novel resins that can be co-extruded with our core resins to form a skin layer with high functionality that can anchor metal to film or highly functional coatings which would serve the same purpose. Inherently high barrier coatings that can be applied as primer coating or top coating over metal could also be a solution.

PepsiCo

Solution Requirements

Must-Haves

  • Barrier skin resins should be co-extrudable with PLA/PHA resin in blown film or cast film processing conditions
  • The barrier skin layer should have good adhesion to core layer, or a suitable tie layer needs to be identified
  • The barrier resin should be biodegradable under home composting conditions at a minimum
  • If barrier or metallization primer coating, it should be applicable on to our film by commercially available roll coating processes
  • Possible to metallize on top of skin layer or coating

Nice-to-Haves

  • The ideal solution would have all the Must Haves and all the Nice to Haves. Of the multiple technologies that meet all the Must Haves (minimum requirement) the one that meets the most Nice-to-Haves may be the best. Based on weighting factors the Nice to Have factors could be used to prioritize similar solutions.
  • The skin layer option is preferable as it enables avoiding a unit operation in the conversion cycle
  • Identification of barrier options (both skin or coating) which could help avoid metallization would be ideal (stretch goal)
  • Solvent-free coating technology is ideal from a GHG point of view but willing to try both water-based and even solvent-based technologies
  • Recent advances in metallization with other metals like silicon etc. are welcome

Past work and “Out of Scope” List:

Technologies that have been previously investigated would only have interest if a significant advancement has been made beyond PepsiCo’s knowledge.

  • Solvent cast film technologies would not be commercially available
  • PGA, G-polymer as skin resins
  • Nano-cellulose, nano-clay coatings but recent advances are welcome

Preferred Collaboration Types

We are open to the following types of engagement

  • sponsored research for development and proof of concept testing, consultation, licensing existing technology for PEP to apply, purchase commercial ready solution, open to any, etc.).

Related keywords

  • Industrial manufacturing, Material and Transport Technologies
  • Coatings
  • Packaging / Handling
  • Packaging for materials
  • Biological Sciences
  • Biology / Biotechnology
  • Bio- Composites
  • Agrofood Industry
  • Technologies for the food industry
  • Drink Technology
  • Food Packaging / Handling
  • Food Processing
  • Food Technology
  • Coatings and adhesives manufactures
  • resins
  • biofilms

About PepsiCo

Large Enterprise from United States

PepsiCo is one of the world’s leading food and beverage companies with a collection of global brands including Pepsi and Quaker, Gatorade and Tropicana, Frito-Lay and beyond. Our broad range of more than 3,000 delicious products offer consumers convenient, nutritious and affordable options in more than 200 countries and territories around the world. We generated more than $64 billion in net revenue in 2018, driven by a complementary food and beverage portfolio that includes 22 brands that generate more than $1 billion each in estimated annual retail sales.

PepsiCo External Innovation is an upstream, externally facing, department within PepsiCo R&D. We actively scout for, identify and develop strategic partnerships with external collaborators. Our goal is to locate key external insights, business models and technical unlocks and new capabilities that, when partnered with PepsiCo’s robust internal R&D expertise, will yield disruptive innovation in our core products and/or new and emerging products. We are currently exploring novel technology spaces that can dramatically impact our portfolio of foods and beverages. We are interested in improving all facets of our supply chain—from raw material inputs all the way to the consumer consumption—and identifying global efficiencies in areas including crop science, ingredients, processing, packaging, equipment, distribution/fleet, retail and e-commerce. We are also committed to sustainability for our planet and our communities.

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