Seeking Non-Persistent Liquid Containment Solutions for Paper Packaging

Desired outcome

We are searching for non-persistent and liquid containment barriers for recyclable pulp packaging, which is compatible in a recycling paper stream.

P&G has two key 2030 packaging design goals: 100% of our packaging will be recyclable or reusable; reduce our use of virgin petroleum plastic in our consumer packaging by 50% also promoting the use of responsibly sourced bio-based materials and circular materials. P&G considers packaging to be recyclable if there is at-scale collection, sorting, processing, and end markets for the material and format in at least one geography. We do not consider waste to energy and conversion to fuels as suitable end markets to satisfy this definition.
Pulp-based packaging can be consumer preferred. Most applications in Beauty require packing to have liquid formulas. However, paper is inherently porous and hydrophilic and therefore only supplies limited barrier. To get around these limitations, paper must be combined with other coatings to deliver the packaging functionality.

The Procter & Gamble Company

Details of the Innovation Need

The focus is on finding non-persistent liquid containment barriers for recyclable pulp packaging i.e., giving the package compatibility in a recycling paper stream.

Must-Have Requirements: • Packaging resists sustained contact with our commercially available liquid formulas starting with shampoos, conditioners, and treatments with no compromise on package and formula integrity
• Stable contact angle, hydrophobic or superhydrophobic surface
• No negative impact on the recycling of packaging in the paper stream (based on PTS-RH 021:2012 Category 2 or new CEPI test method) • Home compostable or biodegradable per OECD301B • Dimensionally stable after manufacture (over a range of temperature and humidity conditions) • Can keep function when subjected to hygroscopic and mechanical stress in logistic and in-use • Does not affect the sensory or organoleptic properties of the contents • The coating should be applied using a commercially available techniques such as aqueous polymer dispersion or extrusion to allow application in either a film or 3D paper forming.

Preferred Requirements: • WVTR (Water Vapor Transmission Rate) no larger than 5g / (m2·d) at 38°C, 90% RH • OTR (Oxygen Transmission Rate) no larger than 20g / (m2·d) at 23°C, 50% RH • Peal or hermetic heat sealing is preferred but not necessary • Can be manufactured in a range of colours and textures • Preferable to deliver sample or prototype in 3 months Approaches Not of Interest: • non-biodegradable plastic bottle or film • Early-stage technology without near-term manufacturing • Materials not suitable as a film or inner bottle or rigid pulp forming part coating

Related Keywords

  • Paper Technology related to Sylviculture, Forestry, Forest Technology
  • Packaging
  • Sustainability
  • Consumer related
  • Consumer Products
  • Other industrial process machinery for textile, paper and other industries

About The Procter & Gamble Company

An American multinational consumer goods corporation headquartered in Cincinnati, Ohio. P&G was founded over 180 years ago as a simple soap and candle company. Today, we’re the world’s largest consumer goods company and home to iconic, trusted brands that make life a little bit easier in small but meaningful ways. We’ve spanned three centuries thanks to three simple ideas: leadership, innovation and citizenship.

The Procter & Gamble Company

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