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Future Trends in Packaging Materials Future Trends ... · PDF file Future Trends in Packaging...

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  • Future Trends in Packaging Materials Future Trends in Packaging Materials

    NanoCelluloseFuture Trends in Packaging Materials NanoCellulose OpportunitiesOpportunities

    Art Ragauskasg [email protected]

  • Future Trends in Packaging Materials Future Trends in Packaging Materials

    Wh N ll l iFuture Trends in Packaging Materials Why Nanocellulosics

    • Improve the biopolymer properties:Improve the biopolymer properties: ‐ Mechanical (strength, modulus and strain) ‐ Thermal stability‐ Thermal stability ‐ Toughness

    Barrier‐ Barrier ‐ Biodegradability

    Optics‐ Optics • Use renewable raw materials

    New applications• New applications • Packaging, medical, transport, electronics etc.

  • Future Trends in Packaging Materials Future Trends in Packaging Materials Cellulose WhiskersFuture Trends in Packaging Materials

    Surface Area E-Glass Fibers approx.1 Paper Fibers 4 Graphite 25 - 300 Fumed Silica 100 - 400 Fully Exfoliated Clay approx. 500 Nanocellulose Whiskers 400 - 700 C b N t b 100

    • Size: width ~5 - 30 nm, length ~ 150-500 nm G

    Carbon Nanotubes approx. 100

    • Estimated Modulus ~150 GPa

  • Future Trends in Packaging Materials Future Trends in Packaging Materials NanoCellulose Future Trends in Packaging Materials

    Commonly Prepared From A Variety of Cellulosic FibFibers

  • Future Trends in Packaging Materials Future Trends in Packaging Materials Nanocellulose Whiskers

    P ti mFuture Trends in Packaging Materials Preparation

    μm mm

    10 nm

    O O

    HO OH

    O O

    HO OH

    OH

    OH

    O

    HO OH

    O O

    HO OH

    O-Cellulose

    OH

    OH

    O

    O O

    HO OH

    O O

    HO OH

    OH

    OH

    O

    HO OH

    O O

    HO OH

    O-Cellulose

    OH

    OH

    O

    10 nm

    1 nm

    Tensile Carbon Fibers > Cellulose Nanocrystals > > S-Glass > Aramid

  • Future Trends in Packaging Materials Future Trends in Packaging Materials

    Cellulose Nano Balls vs. Whiskers Future Trends in Packaging Materials 140 160 180 Applications

    • CompositesCellulose Balls

    40 60 80

    100 120

    Si ze

    (n m

    )

    p • Drug Delivery • Cosmetics

    0 20

    0 1 2 3 4 5

    Time (hour)

    5% Cellulose Whiskers Latex Film

    5% Cellulose Balls Latex Film Latex Film

  • Future Trends in Packaging Materials Future Trends in Packaging Materials

    MicroFibrillated CelluloseFuture Trends in Packaging Materials Preparation:

    Web Like: Diameter: 5 40 nm Length > 1000 nm

    Mechanical treatments

    Web-Like: Diameter: 5 – 40 nm, Length > 1000 nm

    ‐ Homogenization ‐ Microfluidizer ‐ Grinding, supermasscolloider ‐ Cyrocrushing

    Sonification‐ Sonification

  • Future Trends in Packaging Materials Future Trends in Packaging Materials

    Nano Cellulose WhiskersFuture Trends in Packaging Materials Nano Cellulose Whiskers Composites

    • Rubber Resole-type phenolic resinsRubber, Resole type phenolic resins • Poly(vinyl alcohol), Poly(oxyethylene), Poly(lactic acid) • Poly(styrene-co-hexylacrylate) copolymer • Poly(vinyl chloride), polyurethane • Polyproprolyene, polystyrene

    •Whiskers act as efficient reinforcement due to high aspectWhiskers act as efficient reinforcement due to high aspect ratios, surface areas and high modulus.

    • Common benefits observed in tensile strength, elongation rate, elevated thermal decomposition

  • Future Trends in Packaging Materials Future Trends in Packaging Materials

    Nano Cellulose WhiskersFuture Trends in Packaging Materials Nano Cellulose Whiskers Films

    • Hydroxypropyl Methyl Cellulose • Xylan, Starch, Chitosan, Glucomannan • Styrene Butyly acrylate latex

    General Benefits Due to Whiskers • Enhanced moisture and oxygen barrier properties • Tensile strength, TEA, Young's modulus

  • Future Trends in Packaging Materials Future Trends in Packaging Materials

    Microfibrillated CelluloseFuture Trends in Packaging Materials Microfibrillated Cellulose Composites

    • Paper board • Improvement in tensile index

    • Polypropylene, poly(ε-caprolactone) • Improved tensile and flexural strength

    • Polysodium acrylate superabsorbents (SAPs)• Polysodium acrylate superabsorbents (SAPs) • Improvements in shear modulus

    General Benefits Due to Whiskers • Enhanced moisture and oxyegn barrier properties • Tensile strength, TEA, Young's modulus

  • Future Trends in Packaging Materials Future Trends in Packaging Materials

    Microfibrillated CelluloseFuture Trends in Packaging Materials Microfibrillated Cellulose Films

    MFC• MFC • MFC/Layered Clay

    •Enhanced oxygen barrier properties•Enhanced oxygen barrier properties •Paper board, Galactoglucomannans • Improvement in physical and barrier propertiesp p y p p

    • Polypropylene, • Improved tensile and flexural strength

    General Benefits Due to Microfibrillated Cellulose • Enhanced moisture oil and oxygen barrier propertiesEnhanced moisture, oil and oxygen barrier properties • Tensile strength, TEA, Young's modulus, transparent

  • Future Trends in Packaging Materials Future Trends in Packaging Materials

    Nanocellulose ApplicationsFuture Trends in Packaging Materials Nanocellulose Applications

    • Polymer Composites & bioplastics • Films, foams, and gells • Cosmetics• Cosmetics • Dimensionally stable thickener and emulsion • Implant material, biodegradable tissue scaffoldImplant material, biodegradable tissue scaffold • Suture, drug delivery vehicle, • Filter paper, speaker membrane • Battery membrane • Concrete • Drilling muds & enhanced oil recovery• Drilling muds & enhanced oil recovery • Water treatment

  • Future Trends in Packaging Materials Future Trends in Packaging Materials

    Nanocellulose ApplicationsFuture Trends in Packaging Materials Nanocellulose Applications

    • Electronics - flexible circuits• Electronics - flexible circuits • Flexible solar panels • Paints pigments and inks • Screens and coatingsScreens and coatings

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