light barrier management in pet packaging applications
DESCRIPTION
This presentation is part of the marking activities around the introduction of Holcomer UHT White, an extremely opaque white colourant for PET bottles containing light sensitive dairy drinks.TRANSCRIPT
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Offer Our Customers COLOURS of VALUE and VALUE of COLOURS
Light Barrier Management in PET Packaging Applications
Hans Werink Project Manager Packaging
Holland Colours
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Outline
� Holland Colours Company Profile & Markets Served
� Customizing Light Barrier –Holcomer UHT White� Dairy market trends
� Light & Oxygen barrier
� Lightweighting & Opacity
� Other applications
� Sustainability
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Holland Colours Profile
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Holland Colours Profile
� Founded in 1979� Over 400 employees� Listed at Euronext, 48% employee
owned� 6 Plants, 6 Sales Offices� 2000 Customers in 70 Countries
Focus markets:� PET Packaging� Building and Construction� Silicones/Elastomers
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Holland Colours Product Formats for PET
� Non-polymeric solids – Holcobatch & Holcoprill
� Liquids - HolcoPET� Resin based masterbatch - Holcomer
to benefit from
� Optimized processability� Economy of colouring� Optimal productivity
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Holcomer White:Customizable Light Barrier for
Light-sensitive Products
in Monolayer PET Bottles
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Global Milk Market Trends
Source: Tetra Pak, 2009
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� Milk continues to grow with approx. 2% annually
� Long-life packaged milk growth approx. 8% annually
� Much of this growth is inemerging markets
� Health & Wellness trends
Global Milk Market Trends
� Fortified and functional milk products consumption is rising
� Soy milk consumption issteadily growing
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Extended exposure to visible light will initiate photo-oxidation of vitamins B6/B12 and riboflavin (vitamin B2).1
2
Secondary degradation due to auto-oxidation of lipids(milk fats) results in off-flavours and nutrient losses, especially of vitamins. All this results in a specific “light taste”.
Effects of Light on Milk - the Chemistry
3
Taste performance can not be captured by mathematical formulas or generic data: taste & odor tests must be performed in the chosen package option.
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1 Three layer HDPE bottles with a black middle layer
Conventional Milk Packaging Options
Carton packs with a metallized inner coating2
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A Novel Packaging Option – Monolayer PET
Long-shelf life milk needs a light barrier providing a transmission of less than 2% visible light1
Monolayer PET bottles are a solution!2
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Transmission at 550 nm, wall thickness 0.24 mm
0
5
10
15
20
25
30
35
0 2 4 6 8 10 12 14
Dosing level (%)
Tra
nsm
issio
n (
%)
Holland Colours Holcomer UHT White
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Key product featuresKey product features
�High-concentrated solid format� Recommended dosing level 8 -
14%, depending on required opacity and wall thickness
�Generates a white bottle that blocks 100% UV radiation and up to 99% of visible light
� EU & FDA food contact compliant
�High-concentrated solid format� Recommended dosing level 8 -
14%, depending on required opacity and wall thickness
�Generates a white bottle that blocks 100% UV radiation and up to 99% of visible light
� EU & FDA food contact compliant
Holland Colours Holcomer UHT White
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Cost-effectivenessPerformance
Value
Flexibility
SCENE…benefits of using Holcomer
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Performance – Molding & BlowingPerformance – Molding & Blowing
� Injection moulding performance: unaffected cycle time
� Blowing performance: equal line speed and no blow outs – provided the preform design is optimized
� Bottle integrity: no sidewall delaminationupon bottle squeezing
� Injection moulding performance: unaffected cycle time
� Blowing performance: equal line speed and no blow outs – provided the preform design is optimized
� Bottle integrity: no sidewall delaminationupon bottle squeezing
Value
SCENE…benefits of using Holcomer
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FlexibilityFlexibility
� Bottle design: light protection performance can be customized
� Flexibility in sourcing of resin – no specific resin required
� Molded and blown on standard monolayer equipment – no additional investments required
� Bottle design: light protection performance can be customized
� Flexibility in sourcing of resin – no specific resin required
� Molded and blown on standard monolayer equipment – no additional investments required
Value
…benefits of using Holcomer
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Cost - effectivenessCost - effectiveness
� Cost: competitive against current monolayer, multilayer and carton alternatives
� Significantly higher opacity than competitive resin concepts
� Adjustable dosing level offers further lightweighting of bottles without loss of opacity
� Cost: competitive against current monolayer, multilayer and carton alternatives
� Significantly higher opacity than competitive resin concepts
� Adjustable dosing level offers further lightweighting of bottles without loss of opacity
SCENE…benefits of using Holcomer
Value
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Performance – In The MarketplacePerformance – In The Marketplace
� Protection: taste preservation equal to multilayer and carton packaging
� Quality appearance: high bottle surface gloss
� Proven technology
� Protection: taste preservation equal to multilayer and carton packaging
� Quality appearance: high bottle surface gloss
� Proven technology
Value
SCENE…benefits of using Holcomer
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Some Commercialized Projects
Campina, Germany
Campina, Germany Fage, GreeceFage, GreeceSachsen Milch,
GermanySachsen Milch,
Germany
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� Range of commercial applications in Europe and the USA with leading dairy companies
� Variety of UHT and ESL milktypes and flavored milk drinks in a range of different bottle designs
� Several new market introductions is Europe in Q1/2010
� Range of commercial applications in Europe and the USA with leading dairy companies
� Variety of UHT and ESL milktypes and flavored milk drinks in a range of different bottle designs
� Several new market introductions is Europe in Q1/2010
New Market Introductions
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Previous design generation:
New generation:
Previous design generation:
New generation:
Taking the Next Step in Lightweighting
� 0.24 mm wall thickness
� 1.8% light transmission @ 550 nm
� 60 days shelf life
� 0.2 mm wall thickness
� 1.5% light transmission @ 550 nm
� 90 days shelf life
� Meets all requirements on mechanical properties
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Light Protection & Oxygen Barrier
O2 O2
O2O2O2
O2
O2O2
Some products need LightAND Oxygen protection
Some products need LightAND Oxygen protection
� Soy milk� Milk-juice blends� Baby formula� Fortified & Functional drinks
� Soy milk� Milk-juice blends� Baby formula� Fortified & Functional drinks� Omega-3
� Enzymes
� Vitamins
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Light Protection & Oxygen Barrier
O2 O2
O2O2O2
O2
O2O2
Combined functionalityCombined functionality
� It is possible to combine Holcomer UHT White and oxygen barrier resins
� Holcomer has additional passive barrier properties
� Needs to be tested case by case
� It is possible to combine Holcomer UHT White and oxygen barrier resins
� Holcomer has additional passive barrier properties
� Needs to be tested case by case
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Light Protection & Oxygen Barrier
0
0,2
0,4
0,6
0,8
1
0 10 20 30 40
Time (Days)
O2
co
nc.
(pp
m)
PET
Polyshield + 8% Holcomer White
Polyshield + 10% Holcomer White
Polyshield + 14% Holcomer White
Polyshield
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Holcomer & Absolute Light Barrier
� Some products need better light performance than monolayer solutions can offer
� Typically less than 0.1% light transmission
� Multilayer can be an option
� Some products need better light performance than monolayer solutions can offer
� Typically less than 0.1% light transmission
� Multilayer can be an option
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Holcomer & Absolute Light Barrier
� Netstal Prelactia 2-layer overmoulding system
� Holland Colours has developed special White & Gray Holcomer grades for this application
� Requires a specialized multilayer preform moulding system
� Netstal Prelactia 2-layer overmoulding system
� Holland Colours has developed special White & Gray Holcomer grades for this application
� Requires a specialized multilayer preform moulding system
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Other Applications Requiring High Opacity
There are other monolayer white applications that require high opacity:
There are other monolayer white applications that require high opacity:
� Liquid detergent bottles
� Extruded sheet
� PET laminated coatings
� PET paint cans
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Sustainability
Fact is that opaque white PET dairy bottles can significantly disturb PET bottle-to-bottle recycling1
All stakeholders are concerned by the potentially negative image of opaque PET2
A working group on opaque PET recycling has recently been created around COTREP (Comité Technique du Recyclage des Emballages Plastiques) in France
3
This group has taken the initiative to propose a Bottle to Bottle recyclability assessment protocol for each individual white opacifying solution
4
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Sustainability
See it in a different waySee it in a different way
Long shelf life milk already comes in multilayer HDPE containers and multilayer cartons1
The recyclability of PET is potentially better than that of current alternatives2
The PET chain as a whole can benefit from this emerging market3
We are teaming up within the industry with a pro-active approach4
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Cost-Efficient Solution for Monolayer PET
Consistent resultsConsistent results
�Adjustable opacity level enables further lightweighting of bottles without decreasing protection
�Sensory & mechanical properties have been approved in all projects
� The Holcomer concept is competitive against all alternatives
�Adjustable opacity level enables further lightweighting of bottles without decreasing protection
�Sensory & mechanical properties have been approved in all projects
� The Holcomer concept is competitive against all alternatives